introduce logging api and convert all library output to use it
authorAndy Green <andy@warmcat.com>
Thu, 10 Jan 2013 11:50:35 +0000 (19:50 +0800)
committerAndy Green <andy.green@linaro.org>
Thu, 10 Jan 2013 14:16:37 +0000 (22:16 +0800)
 - multiple debug context calls lwsl_ err, warn, debug, parser, ext, client

 - api added to set which contexts output to stderr using a bitfield log_level

 - --disable-debug on configure removes all code that is not err or warn severity

 - err and warn contexts always output to stderr unless disabled by log_level

 - err and warn enabled by default in log_level

Signed-off-by: Andy Green <andy@warmcat.com>
12 files changed:
configure.ac
lib/base64-decode.c
lib/client-handshake.c
lib/extension-deflate-frame.c
lib/extension-deflate-stream.c
lib/extension-x-google-mux.c
lib/handshake.c
lib/libwebsockets.c
lib/libwebsockets.h
lib/parsers.c
lib/private-libwebsockets.h
libwebsockets-api-doc.html

index ab0e639..8afdd4d 100644 (file)
@@ -109,6 +109,18 @@ AC_ARG_ENABLE(noping,
 
 AM_CONDITIONAL(NOPING, test x$noping = xyes)
 
+#
+#
+#
+AC_ARG_ENABLE(debug,
+ [  --disable-debug  Stops debug-related code from even being compiled in, useful for best speed],
+ [ disable_debug=yes
+ ])
+
+if test "x$disable_debug" != "xyes" ; then
+CFLAGS="$CFLAGS -D_DEBUG"
+fi
+AM_CONDITIONAL(DISABLE_DEBUG, test x$disable_debug = xyes)
 
 
 # Checks for header files.
index 95d4ba4..3baab3b 100644 (file)
@@ -41,6 +41,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <private-libwebsockets.h>
 
 static const char encode[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                             "abcdefghijklmnopqrstuvwxyz0123456789+/";
@@ -169,7 +170,7 @@ lws_b64_selftest(void)
                n = lws_b64_encode_string(plaintext[test],
                                      strlen(plaintext[test]), buf, sizeof buf);
                if (n != strlen(coded[test]) || strcmp(buf, coded[test])) {
-                       fprintf(stderr, "Failed lws_b64 encode selftest "
+                       lwsl_err("Failed lws_b64 encode selftest "
                                           "%d result '%s' %d\n", test, buf, n);
                        return -1;
                }
@@ -178,7 +179,7 @@ lws_b64_selftest(void)
                n = lws_b64_decode_string(coded[test], buf, sizeof buf);
                if (n != strlen(plaintext[test]) ||
                                                 strcmp(buf, plaintext[test])) {
-                       fprintf(stderr, "Failed lws_b64 decode selftest "
+                       lwsl_err("Failed lws_b64 decode selftest "
                                           "%d result '%s' %d\n", test, buf, n);
                        return -1;
                }
index 751edaa..15c4b13 100644 (file)
@@ -16,7 +16,7 @@ struct libwebsocket *__libwebsocket_client_connect_2(
        struct protoent *tcp_proto;
 #endif
 
-       debug("__libwebsocket_client_connect_2\n");
+       lwsl_client("__libwebsocket_client_connect_2\n");
 
        wsi->candidate_children_list = NULL;
 
@@ -41,19 +41,18 @@ struct libwebsocket *__libwebsocket_client_connect_2(
         * prepare the actual connection (to the proxy, if any)
         */
 
-       debug("__libwebsocket_client_connect_2: address %s", wsi->c_address);
+       lwsl_client("__libwebsocket_client_connect_2: address %s", wsi->c_address);
 
        server_hostent = gethostbyname(wsi->c_address);
        if (server_hostent == NULL) {
-               fprintf(stderr, "Unable to get host name from %s\n",
-                                                               wsi->c_address);
+               lwsl_err("Unable to get host name from %s\n", wsi->c_address);
                goto oom4;
        }
 
        wsi->sock = socket(AF_INET, SOCK_STREAM, 0);
 
        if (wsi->sock < 0) {
-               fprintf(stderr, "Unable to open socket\n");
+               lwsl_warn("Unable to open socket\n");
                goto oom4;
        }
 
@@ -79,7 +78,7 @@ struct libwebsocket *__libwebsocket_client_connect_2(
 
        if (connect(wsi->sock, (struct sockaddr *)&server_addr,
                                             sizeof(struct sockaddr)) == -1)  {
-               fprintf(stderr, "Connect failed\n");
+               lwsl_debug("Connect failed\n");
 #ifdef WIN32
                closesocket(wsi->sock);
 #else
@@ -88,7 +87,7 @@ struct libwebsocket *__libwebsocket_client_connect_2(
                goto oom4;
        }
 
-       debug("connected\n");
+       lwsl_client("connected\n");
 
        /* into fd -> wsi hashtable */
 
@@ -116,7 +115,7 @@ struct libwebsocket *__libwebsocket_client_connect_2(
 #else
                        close(wsi->sock);
 #endif
-                       fprintf(stderr, "ERROR writing to proxy socket\n");
+                       lwsl_debug("ERROR writing to proxy socket\n");
                        goto bail1;
                }
 
@@ -202,7 +201,7 @@ libwebsocket_client_connect(struct libwebsocket_context *context,
        int handled;
 #ifndef LWS_OPENSSL_SUPPORT
        if (ssl_connection) {
-               fprintf(stderr, "libwebsockets not configured for ssl\n");
+               lwsl_err("libwebsockets not configured for ssl\n");
                return NULL;
        }
 #endif
@@ -298,8 +297,7 @@ libwebsocket_client_connect(struct libwebsocket_context *context,
                wsi->xor_mask = xor_mask_05;
                break;
        default:
-               fprintf(stderr,
-                       "Client ietf version %d not supported\n",
+               lwsl_parser("Client ietf version %d not supported\n",
                                                       wsi->ietf_spec_revision);
                goto oom4;
        }
@@ -337,7 +335,7 @@ libwebsocket_client_connect(struct libwebsocket_context *context,
        }
 
        if (handled) {
-               debug("libwebsocket_client_connect: ext handling conn\n");
+               lwsl_client("libwebsocket_client_connect: ext handling conn\n");
 
                libwebsocket_set_timeout(wsi,
                        PENDING_TIMEOUT_AWAITING_EXTENSION_CONNECT_RESPONSE, AWAITING_TIMEOUT);
@@ -346,7 +344,7 @@ libwebsocket_client_connect(struct libwebsocket_context *context,
                return wsi;
        }
 
-       debug("libwebsocket_client_connect: direct conn\n");
+       lwsl_client("libwebsocket_client_connect: direct conn\n");
 
        return __libwebsocket_client_connect_2(context, wsi);
 
index 8ae5171..c8ba423 100644 (file)
@@ -36,7 +36,7 @@ int lws_extension_callback_deflate_frame(
                conn->zs_in.opaque = conn->zs_out.opaque = Z_NULL;
                n = inflateInit2(&conn->zs_in, -LWS_ZLIB_WINDOW_BITS);
                if (n != Z_OK) {
-                       fprintf(stderr, "deflateInit returned %d", n);
+                       lwsl_ext("deflateInit returned %d", n);
                        return 1;
                }
                n = deflateInit2(&conn->zs_out,
@@ -47,7 +47,7 @@ int lws_extension_callback_deflate_frame(
                                 -LWS_ZLIB_WINDOW_BITS, LWS_ZLIB_MEMLEVEL,
                                 Z_DEFAULT_STRATEGY);
                if (n != Z_OK) {
-                       fprintf(stderr, "deflateInit2 returned %d", n);
+                       lwsl_ext("deflateInit2 returned %d", n);
                        return 1;
                }
                conn->buf_pre_used = 0;
@@ -68,10 +68,10 @@ int lws_extension_callback_deflate_frame(
                                                LWS_SEND_BUFFER_POST_PADDING);
                if (!conn->buf_out)
                        goto bail;
-               fprintf(stderr, "zlibs constructed\n");
+               lwsl_ext("zlibs constructed\n");
                break;
 bail:
-               fprintf(stderr, "Out of mem\n");
+               lwsl_err("Out of mem\n");
                (void)inflateEnd(&conn->zs_in);
                (void)deflateEnd(&conn->zs_out);
                return -1;
@@ -88,7 +88,7 @@ bail:
                conn->compressed_out = 0;
                (void)inflateEnd(&conn->zs_in);
                (void)deflateEnd(&conn->zs_out);
-               fprintf(stderr, "zlibs destructed\n");
+               lwsl_ext("zlibs destructed\n");
                break;
 
        case LWS_EXT_CALLBACK_PAYLOAD_RX:
@@ -113,7 +113,7 @@ bail:
                                conn->buf_pre =
                                    (unsigned char *)malloc(total_payload + 4);
                                if (!conn->buf_pre) {
-                                       fprintf(stderr, "Out of memory\n");
+                                       lwsl_err("Out of memory\n");
                                        return -1;
                                }
                        }
@@ -162,7 +162,7 @@ bail:
                         * screwed.. close the connection... we will get a
                         * destroy callback to take care of closing nicely
                         */
-                       fprintf(stderr, "zlib error inflate %d: %s",
+                       lwsl_ext("zlib error inflate %d: %s",
                                                   n, conn->zs_in.msg);
                        return -1;
                }
@@ -196,7 +196,7 @@ bail:
                                 * screwed.. close the connection... we will get a
                                 * destroy callback to take care of closing nicely
                                 */
-                               fprintf(stderr, "zlib error deflate");
+                               lwsl_ext("zlib error deflate");
 
                                return -1;
                        }
@@ -216,7 +216,7 @@ bail:
                                                  conn->buf_out_length +
                                                  LWS_SEND_BUFFER_POST_PADDING);
                                if (!new_buf) {
-                                       fprintf(stderr, "Out of memory\n");
+                                       lwsl_err("Out of memory\n");
                                        return -1;
                                }
                                memcpy(new_buf + LWS_SEND_BUFFER_PRE_PADDING,
index 17aee49..c54a0ab 100644 (file)
@@ -32,7 +32,7 @@ int lws_extension_callback_deflate_stream(
                conn->zs_in.opaque = conn->zs_out.opaque = Z_NULL;
                n = inflateInit2(&conn->zs_in, -LWS_ZLIB_WINDOW_BITS);
                if (n != Z_OK) {
-                       fprintf(stderr, "deflateInit returned %d\n", n);
+                       lwsl_err("deflateInit returned %d\n", n);
                        return 1;
                }
                n = deflateInit2(&conn->zs_out,
@@ -40,17 +40,17 @@ int lws_extension_callback_deflate_stream(
                                 -LWS_ZLIB_WINDOW_BITS, LWS_ZLIB_MEMLEVEL,
                                                            Z_DEFAULT_STRATEGY);
                if (n != Z_OK) {
-                       fprintf(stderr, "deflateInit returned %d\n", n);
+                       lwsl_err("deflateInit returned %d\n", n);
                        return 1;
                }
-               debug("zlibs constructed\n");
+               lwsl_ext("zlibs constructed\n");
                conn->remaining_in = 0;
                break;
 
        case LWS_EXT_CALLBACK_DESTROY:
                (void)inflateEnd(&conn->zs_in);
                (void)deflateEnd(&conn->zs_out);
-               debug("zlibs destructed\n");
+               lwsl_ext("zlibs destructed\n");
                break;
 
        case LWS_EXT_CALLBACK_PACKET_RX_PREPARSE:
@@ -84,7 +84,7 @@ int lws_extension_callback_deflate_stream(
                         * screwed.. close the connection... we will get a
                         * destroy callback to take care of closing nicely
                         */
-                       fprintf(stderr, "zlib error inflate %d\n", n);
+                       lwsl_err("zlib error inflate %d\n", n);
                        return -1;
                }
 
@@ -136,7 +136,7 @@ int lws_extension_callback_deflate_stream(
                         * screwed.. close the connection... we will get a
                         * destroy callback to take care of closing nicely
                         */
-                       fprintf(stderr, "zlib error deflate\n");
+                       lwsl_ext("zlib error deflate\n");
 
                        return -1;
                }
index f1e7dfd..2be0d80 100644 (file)
@@ -154,7 +154,7 @@ lws_extension_x_google_mux_parser(struct libwebsocket_context *context,
        int n;
        void *v;
 
-//     fprintf(stderr, "XRX: %02X %d %d\n", c, conn->state, conn->length);
+//     lwsl_debug("XRX: %02X %d %d\n", c, conn->state, conn->length);
 
        /*
         * [ <Channel ID b12.. b8> <Mux Opcode b2..b0> ]
@@ -164,7 +164,7 @@ lws_extension_x_google_mux_parser(struct libwebsocket_context *context,
        switch (conn->state) {
 
        case LWS_EXT_XGM_STATE__MUX_BLOCK_1:
-//             fprintf(stderr, "LWS_EXT_XGM_STATE__MUX_BLOCK_1: opc=%d channel=%d\n", c & 7, c >> 3);
+//             lwsl_ext("LWS_EXT_XGM_STATE__MUX_BLOCK_1: opc=%d channel=%d\n", c & 7, c >> 3);
                conn->block_subopcode = (enum lws_ext_x_goole_mux__mux_opcodes)(c & 7);
                conn->block_subchannel = (c >> 3) & 0x1f;
                conn->ignore_cmd = 0;
@@ -184,7 +184,7 @@ lws_extension_x_google_mux_parser(struct libwebsocket_context *context,
                conn->block_subchannel |= c;
 
 interpret:
-//             fprintf(stderr, "LWS_EXT_XGM_STATE__MUX_BLOCK_3: subchannel=%d\n", conn->block_subchannel);
+//             lwsl_ext("LWS_EXT_XGM_STATE__MUX_BLOCK_3: subchannel=%d\n", conn->block_subchannel);
                ongoing_subchannel = conn->block_subchannel;
 
                /*
@@ -229,7 +229,7 @@ interpret:
                        conn->state = LWS_EXT_XGM_STATE__FLOWCONTROL_1;
                        break;
                default:
-                       fprintf(stderr, "xgm: unknown subopcode\n");
+                       lwsl_ext("xgm: unknown subopcode\n");
                        return -1;
                }
                break;
@@ -285,14 +285,14 @@ interpret:
                if (conn->block_subchannel == 0 || conn->block_subchannel >=
                                (sizeof(conn->wsi_children) /
                                               sizeof(conn->wsi_children[0]))) {
-                       fprintf(stderr, "Illegal subchannel %d in "
+                       lwsl_ext("Illegal subchannel %d in "
                           "LWS_EXT_XGM_STATE__ADDCHANNEL_HEADERS, ignoring",
                                                        conn->block_subchannel);
                        conn->ignore_cmd = 1;
                }
 
                if (conn->block_subchannel == 1 && !conn->original_ch1_closed) {
-                       fprintf(stderr, "illegal request to add ch1 when it's still live, ignoring\n");
+                       lwsl_ext("illegal request to add ch1 when it's still live, ignoring\n");
                        conn->ignore_cmd = 1;
                }
 
@@ -362,7 +362,7 @@ interpret:
                                wsi_child->user_space = malloc(
                                    wsi_child->protocol->per_session_data_size);
                                if (wsi_child->user_space  == NULL) {
-                                       fprintf(stderr, "Out of memory for "
+                                       lwsl_ext("Out of memory for "
                                                           "conn user space\n");
                                        goto bail2;
                                }
@@ -447,7 +447,7 @@ bail2:
                child_conn = (struct lws_ext_x_google_mux_conn *)lws_get_extension_user_matching_ext(wsi_child,
                                                                      this_ext);
                if (!child_conn) {
-                       fprintf(stderr, "wsi_child %p has no child conn!", (void *)wsi_child);
+                       lwsl_ext("wsi_child %p has no child conn!", (void *)wsi_child);
                        break;
                }
                child_conn->wsi_parent = wsi;
@@ -468,7 +468,7 @@ bail2:
                        wsi_child->user_space = malloc(
                                    wsi_child->protocol->per_session_data_size);
                        if (wsi_child->user_space  == NULL) {
-                               fprintf(stderr, "Out of memory for "
+                               lwsl_err("Out of memory for "
                                                           "conn user space\n");
                                break;
                        }
@@ -519,7 +519,7 @@ bail2:
 
        case LWS_EXT_XGM_STATE__DATA:
 
-//             fprintf(stderr, "LWS_EXT_XGM_STATE__DATA in\n");
+//             lwsl_debug("LWS_EXT_XGM_STATE__DATA in\n");
 
                /*
                 * we have cooked websocket frame content following just like
@@ -533,15 +533,15 @@ bail2:
                 * afterwards
                 */
                if (conn->block_subchannel - MUX_REAL_CHILD_INDEX_OFFSET >= conn->highest_child_subchannel) {
-                       fprintf(stderr, "Illegal subchannel %d\n", conn->block_subchannel);
+                       lwsl_ext("Illegal subchannel %d\n", conn->block_subchannel);
                        return -1;
                }
 
-               // fprintf(stderr, "LWS_EXT_XGM_STATE__DATA: ch %d\n", conn->block_subchannel);
+               // lwsl_debug("LWS_EXT_XGM_STATE__DATA: ch %d\n", conn->block_subchannel);
 
                if (conn->block_subchannel == 1) {
                        if (conn->original_ch1_closed) {
-                               fprintf(stderr, "data sent to closed ch1\n");
+                               lwsl_debug("data sent to closed ch1\n");
                                return -1;
                        }
                        wsi_child = wsi;
@@ -549,7 +549,7 @@ bail2:
                        wsi_child = conn->wsi_children[conn->block_subchannel - MUX_REAL_CHILD_INDEX_OFFSET];
 
                if (!wsi_child) {
-                       fprintf(stderr, "Bad subchannel %d\n", conn->block_subchannel);
+                       lwsl_ext("Bad subchannel %d\n", conn->block_subchannel);
                        return -1;
                }
 
@@ -561,7 +561,7 @@ bail2:
                case LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE:
                case LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY:
                case LWS_CONNMODE_WS_CLIENT:
-//                     fprintf(stderr, "  client\n");
+//                     lwsl_ext("  client\n");
                        if (libwebsocket_client_rx_sm(wsi_child, c) < 0) {
                                libwebsocket_close_and_free_session(
                                        context,
@@ -574,7 +574,7 @@ bail2:
                /* server is receiving from client */
 
                default:
-//                     fprintf(stderr, "  server\n");
+//                     lwsl_ext("  server\n");
                        if (libwebsocket_rx_sm(wsi_child, c) < 0) {
                                muxdebug("probs\n");
                                libwebsocket_close_and_free_session(
@@ -726,7 +726,7 @@ int lws_extension_callback_x_google_mux(
                        if (parent_conn->highest_child_subchannel >=
                                        (sizeof(parent_conn->wsi_children) /
                                           sizeof(parent_conn->wsi_children[0]))) {
-                               fprintf(stderr, "Can't add any more children\n");
+                               lwsl_ext("Can't add any more children\n");
                                continue;
                        }
                        /*
@@ -786,7 +786,7 @@ int lws_extension_callback_x_google_mux(
 
                        conn->original_ch1_closed = 1;
 
-                       fprintf(stderr, "original mux parent channel closing\n");
+                       lwsl_ext("original mux parent channel closing\n");
 
                        parent_conn = conn;
                } else {
@@ -811,14 +811,14 @@ int lws_extension_callback_x_google_mux(
                /* if he has children, don't let him close for real! */
 
                if (done) {
-                       fprintf(stderr, "VETO closure\n");
+                       lwsl_ext("VETO closure\n");
                        return 1;
                }
 
                /* no children, ch1 is closed, let him destroy himself */
 
                if (conn->subchannel == 1)
-                       fprintf(stderr, "ALLOW closure of mux parent\n");
+                       lwsl_ext("ALLOW closure of mux parent\n");
 
                break;
 
@@ -837,7 +837,7 @@ int lws_extension_callback_x_google_mux(
 
                        conn->original_ch1_closed = 1;
 
-                       fprintf(stderr, "original mux parent channel closing\n");
+                       lwsl_ext("original mux parent channel closing\n");
 
                        parent_conn = conn;
                        wsi_parent = wsi;
@@ -1023,7 +1023,7 @@ handle_additions:
                         */
 
                        if (conn->original_ch1_closed) {
-                               fprintf(stderr, "Trying to send on dead original ch1\n");
+                               lwsl_ext("Trying to send on dead original ch1\n");
                                return 0;
                        }
 
@@ -1038,7 +1038,7 @@ handle_additions:
                         */
 
                        if (!conn->wsi_parent) {
-       //                      fprintf(stderr, "conn %p has no parent\n", (void *)conn);
+       //                      lwsl_ext("conn %p has no parent\n", (void *)conn);
                                return 0;
                        }
 
@@ -1058,7 +1058,7 @@ handle_additions:
                         */
 
                        if (!parent_conn->sticky_mux_used) {
-       //                      fprintf(stderr, "parent in singular mode\n");
+       //                      lwsl_ext("parent in singular mode\n");
                                return 0;
                        }
                }
index f3918b5..a34d032 100644 (file)
@@ -65,7 +65,7 @@ interpret_key(const char *key, unsigned long *result)
        }
 
        if (rem) {
-               fprintf(stderr, "nonzero handshake remainder\n");
+               lwsl_warn("nonzero handshake remainder\n");
                return -1;
        }
 
@@ -111,7 +111,7 @@ handshake_00(struct libwebsocket_context *context, struct libwebsocket *wsi)
                wsi->utf8_token[WSI_TOKEN_GET_URI].token_len +
                wsi->utf8_token[WSI_TOKEN_PROTOCOL].token_len);
        if (!response) {
-               fprintf(stderr, "Out of memory for response buffer\n");
+               lwsl_err("Out of memory for response buffer\n");
                goto bail;
        }
 
@@ -174,14 +174,14 @@ handshake_00(struct libwebsocket_context *context, struct libwebsocket *wsi)
 
        /* it's complete: go ahead and send it */
 
-       _debug("issuing response packet %d len\n", (int)(p - response));
+       lwsl_parser("issuing response packet %d len\n", (int)(p - response));
 #ifdef _DEBUG
        fwrite(response, 1,  p - response, stderr);
 #endif
        n = libwebsocket_write(wsi, (unsigned char *)response,
                                          p - response, LWS_WRITE_HTTP);
        if (n < 0) {
-               fprintf(stderr, "ERROR writing to socket");
+               lwsl_debug("ERROR writing to socket");
                goto bail;
        }
 
@@ -233,14 +233,14 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
 
        if (!wsi->utf8_token[WSI_TOKEN_HOST].token_len ||
            !wsi->utf8_token[WSI_TOKEN_KEY].token_len) {
-               _debug("handshake_04 missing pieces\n");
+               lwsl_parser("handshake_04 missing pieces\n");
                /* completed header processing, but missing some bits */
                goto bail;
        }
 
        if (wsi->utf8_token[WSI_TOKEN_KEY].token_len >=
                                                     MAX_WEBSOCKET_04_KEY_LEN) {
-               fprintf(stderr, "Client sent handshake key longer "
+               lwsl_warn("Client sent handshake key longer "
                           "than max supported %d\n", MAX_WEBSOCKET_04_KEY_LEN);
                goto bail;
        }
@@ -256,7 +256,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
        accept_len = lws_b64_encode_string((char *)hash, 20, accept_buf,
                                                             sizeof accept_buf);
        if (accept_len < 0) {
-               fprintf(stderr, "Base64 encoded hash too long\n");
+               lwsl_warn("Base64 encoded hash too long\n");
                goto bail;
        }
 
@@ -274,7 +274,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
                wsi->utf8_token[WSI_TOKEN_CONNECTION].token_len +
                wsi->utf8_token[WSI_TOKEN_PROTOCOL].token_len);
        if (!response) {
-               fprintf(stderr, "Out of memory for response buffer\n");
+               lwsl_err("Out of memory for response buffer\n");
                goto bail;
        }
 
@@ -294,7 +294,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
                n = libwebsockets_get_random(wsi->protocol->owning_server,
                                                                      hash, 16);
                if (n != 16) {
-                       fprintf(stderr, "Unable to read random device %s %d\n",
+                       lwsl_err("Unable to read random device %s %d\n",
                                                     SYSTEM_RANDOM_FILEPATH, n);
                        if (wsi->user_space)
                                free(wsi->user_space);
@@ -306,7 +306,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
                nonce_len = lws_b64_encode_string((const char *)hash, 16,
                                                   nonce_buf, sizeof nonce_buf);
                if (nonce_len < 0) {
-                       fprintf(stderr, "Failed to base 64 encode the nonce\n");
+                       lwsl_err("Failed to base 64 encode the nonce\n");
                        if (wsi->user_space)
                                free(wsi->user_space);
                        goto bail;
@@ -336,7 +336,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
                 */
 
                c = wsi->utf8_token[WSI_TOKEN_EXTENSIONS].token;
-               debug("wsi->utf8_token[WSI_TOKEN_EXTENSIONS].token = %s\n",
+               lwsl_parser("wsi->utf8_token[WSI_TOKEN_EXTENSIONS].token = %s\n",
                                  wsi->utf8_token[WSI_TOKEN_EXTENSIONS].token);
                wsi->count_active_extensions = 0;
                n = 0;
@@ -425,7 +425,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
                                        wsi->count_active_extensions], NULL, 0);
 
                                wsi->count_active_extensions++;
-                               debug("wsi->count_active_extensions <- %d",
+                               lwsl_parser("wsi->count_active_extensions <- %d",
                                                  wsi->count_active_extensions);
 
                                ext++;
@@ -469,14 +469,14 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
 
                /* okay send the handshake response accepting the connection */
 
-               _debug("issuing response packet %d len\n", (int)(p - response));
+               lwsl_parser("issuing response packet %d len\n", (int)(p - response));
        #ifdef DEBUG
                fwrite(response, 1,  p - response, stderr);
        #endif
                n = libwebsocket_write(wsi, (unsigned char *)response,
                                                  p - response, LWS_WRITE_HTTP);
                if (n < 0) {
-                       fprintf(stderr, "ERROR writing to socket");
+                       lwsl_debug("ERROR writing to socket");
                        goto bail;
                }
 
@@ -549,9 +549,9 @@ libwebsocket_read(struct libwebsocket_context *context,
                /* fallthru */
        case WSI_STATE_HTTP_HEADERS:
 
-               _debug("issuing %d bytes to parser\n", (int)len);
+               lwsl_parser("issuing %d bytes to parser\n", (int)len);
 #ifdef _DEBUG
-               fwrite(buf, 1, len, stderr);
+               //fwrite(buf, 1, len, stderr);
 #endif
 
                switch (wsi->mode) {
@@ -576,9 +576,9 @@ libwebsocket_read(struct libwebsocket_context *context,
                if (wsi->parser_state != WSI_PARSING_COMPLETE)
                        break;
 
-               debug("seem to be serving, mode is %d\n", wsi->mode);
+               lwsl_parser("seem to be serving, mode is %d\n", wsi->mode);
 
-               debug("libwebsocket_parse sees parsing complete\n");
+               lwsl_parser("libwebsocket_parse sees parsing complete\n");
 
                /* is this websocket protocol or normal http 1.0? */
 
@@ -595,7 +595,7 @@ libwebsocket_read(struct libwebsocket_context *context,
                }
 
                if (!wsi->protocol)
-                       fprintf(stderr, "NULL protocol at libwebsocket_read\n");
+                       lwsl_err("NULL protocol at libwebsocket_read\n");
 
                /*
                 * It's websocket
@@ -621,10 +621,10 @@ libwebsocket_read(struct libwebsocket_context *context,
 
                if (wsi->protocol->callback == NULL) {
                        if (wsi->utf8_token[WSI_TOKEN_PROTOCOL].token == NULL)
-                               fprintf(stderr, "[no protocol] "
+                               lwsl_err("[no protocol] "
                                        "not supported (use NULL .name)\n");
                        else
-                               fprintf(stderr, "Requested protocol %s "
+                               lwsl_err("Requested protocol %s "
                                                "not supported\n",
                                     wsi->utf8_token[WSI_TOKEN_PROTOCOL].token);
                        goto bail;
@@ -647,7 +647,7 @@ libwebsocket_read(struct libwebsocket_context *context,
                if ((wsi->protocol->callback)(wsi->protocol->owning_server, wsi,
                                LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION,
                                                &wsi->utf8_token[0], NULL, 0)) {
-                       fprintf(stderr, "User code denied connection\n");
+                       lwsl_warn("User code denied connection\n");
                        goto bail;
                }
 
@@ -665,7 +665,7 @@ libwebsocket_read(struct libwebsocket_context *context,
                        break;
                case 4: /* 04 */
                        wsi->xor_mask = xor_mask_04;
-                       _debug("libwebsocket_parse calling handshake_04\n");
+                       lwsl_parser("libwebsocket_parse calling handshake_04\n");
                        if (handshake_0405(context, wsi))
                                goto bail;
                        break;
@@ -675,18 +675,18 @@ libwebsocket_read(struct libwebsocket_context *context,
                case 8:
                case 13:
                        wsi->xor_mask = xor_mask_05;
-                       _debug("libwebsocket_parse calling handshake_04\n");
+                       lwsl_parser("libwebsocket_parse calling handshake_04\n");
                        if (handshake_0405(context, wsi))
                                goto bail;
                        break;
 
                default:
-                       fprintf(stderr, "Unknown client spec version %d\n",
+                       lwsl_warn("Unknown client spec version %d\n",
                                                       wsi->ietf_spec_revision);
                        goto bail;
                }
 
-               debug("accepted v%02d connection\n",
+               lwsl_parser("accepted v%02d connection\n",
                                                       wsi->ietf_spec_revision);
 
                break;
index d099a69..b0e7a6d 100644 (file)
@@ -43,6 +43,18 @@ int openssl_websocket_private_data_index;
 #endif
 #endif
 
+static int log_level = LLL_ERR | LLL_WARN;
+static const char *log_level_names[] = {
+       "ERR",
+       "WARN",
+       "INFO",
+       "DEBUG",
+       "PARSER",
+       "HEADER",
+       "EXTENSION",
+       "CLIENT",
+};
+
 /*
  * In-place str to lower case
  */
@@ -77,7 +89,7 @@ insert_wsi(struct libwebsocket_context *context, struct libwebsocket *wsi)
        int h = LWS_FD_HASH(wsi->sock);
 
        if (context->fd_hashtable[h].length == MAX_CLIENTS - 1) {
-               fprintf(stderr, "hash table overflow\n");
+               lwsl_err("hash table overflow\n");
                return 1;
        }
 
@@ -104,7 +116,7 @@ delete_from_fd(struct libwebsocket_context *context, int fd)
                        return 0;
                }
 
-       fprintf(stderr, "Failed to find fd %d requested for "
+       lwsl_err("Failed to find fd %d requested for "
                                                   "delete in hashtable\n", fd);
        return 1;
 }
@@ -118,7 +130,7 @@ libwebsockets_decode_ssl_error(void)
 
        while ((err = ERR_get_error()) != 0) {
                ERR_error_string_n(err, buf, sizeof(buf));
-               fprintf(stderr, "*** %s\n", buf);
+               lwsl_err("*** %s\n", buf);
        }
 }
 #endif
@@ -198,7 +210,7 @@ libwebsocket_close_and_free_session(struct libwebsocket_context *context,
                 */
 
                if (m) {
-                       debug("extension vetoed close\n");
+                       lwsl_ext("extension vetoed close\n");
                        return;
                }
        }
@@ -228,8 +240,7 @@ libwebsocket_close_and_free_session(struct libwebsocket_context *context,
                                        LWS_EXT_CALLBACK_FLUSH_PENDING_TX,
                                   wsi->active_extensions_user[n], &eff_buf, 0);
                        if (m < 0) {
-                               fprintf(stderr, "Extension reports "
-                                                              "fatal error\n");
+                               lwsl_ext("Extension reports fatal error\n");
                                goto just_kill_connection;
                        }
                        if (m)
@@ -263,7 +274,7 @@ libwebsocket_close_and_free_session(struct libwebsocket_context *context,
        if (old_state == WSI_STATE_ESTABLISHED &&
                                          reason != LWS_CLOSE_STATUS_NOSTATUS) {
 
-               debug("sending close indication...\n");
+               lwsl_debug("sending close indication...\n");
 
                n = libwebsocket_write(wsi, &buf[LWS_SEND_BUFFER_PRE_PADDING],
                                                            0, LWS_WRITE_CLOSE);
@@ -280,7 +291,7 @@ libwebsocket_close_and_free_session(struct libwebsocket_context *context,
                        libwebsocket_set_timeout(wsi,
                                                  PENDING_TIMEOUT_CLOSE_ACK, AWAITING_TIMEOUT);
 
-                       debug("sent close indication, awaiting ack\n");
+                       lwsl_debug("sent close indication, awaiting ack\n");
 
                        return;
                }
@@ -290,7 +301,7 @@ libwebsocket_close_and_free_session(struct libwebsocket_context *context,
 
 just_kill_connection:
 
-       debug("libwebsocket_close_and_free_session: just_kill_connection\n");
+       lwsl_debug("libwebsocket_close_and_free_session: just_kill_connection\n");
 
        /*
         * we won't be servicing or receiving anything further from this guy
@@ -327,11 +338,11 @@ just_kill_connection:
                        ((old_state == WSI_STATE_ESTABLISHED) ||
                         (old_state == WSI_STATE_RETURNED_CLOSE_ALREADY) ||
                         (old_state == WSI_STATE_AWAITING_CLOSE_ACK))) {
-               debug("calling back CLOSED\n");
+               lwsl_debug("calling back CLOSED\n");
                wsi->protocol->callback(context, wsi, LWS_CALLBACK_CLOSED,
                                                      wsi->user_space, NULL, 0);
        } else
-               debug("not calling back closed, old_state=%d\n", old_state);
+               lwsl_debug("not calling back closed, old_state=%d\n", old_state);
 
        /* deallocate any active extension contexts */
 
@@ -369,7 +380,7 @@ just_kill_connection:
        if (wsi->c_address)
                free(wsi->c_address);
 
-/*     fprintf(stderr, "closing fd=%d\n", wsi->sock); */
+/*     lwsl_info("closing fd=%d\n", wsi->sock); */
 
 #ifdef LWS_OPENSSL_SUPPORT
        if (wsi->ssl) {
@@ -635,7 +646,7 @@ lws_handle_POLLOUT_event(struct libwebsocket_context *context,
                                        LWS_EXT_CALLBACK_PACKET_TX_PRESEND,
                                   wsi->active_extensions_user[n], &eff_buf, 0);
                        if (m < 0) {
-                               fprintf(stderr, "ext reports fatal error\n");
+                               lwsl_err("ext reports fatal error\n");
                                return -1;
                        }
                        if (m)
@@ -669,7 +680,7 @@ lws_handle_POLLOUT_event(struct libwebsocket_context *context,
                        /* no we could add more */
                        continue;
 
-               debug("choked in POLLOUT service\n");
+               lwsl_info("choked in POLLOUT service\n");
 
                /*
                 * Yes, he's choked.  Leave the POLLOUT masked on so we will
@@ -735,7 +746,7 @@ libwebsocket_service_timeout_check(struct libwebsocket_context *context,
         */
 
        if (sec > wsi->pending_timeout_limit) {
-               debug("TIMEDOUT WAITING\n");
+               lwsl_info("TIMEDOUT WAITING\n");
                libwebsocket_close_and_free_session(context,
                                wsi, LWS_CLOSE_STATUS_NOSTATUS);
        }
@@ -749,7 +760,7 @@ libwebsocket_create_new_server_wsi(struct libwebsocket_context *context)
 
        new_wsi = (struct libwebsocket *)malloc(sizeof(struct libwebsocket));
        if (new_wsi == NULL) {
-               fprintf(stderr, "Out of memory for new connection\n");
+               lwsl_err("Out of memory for new connection\n");
                return NULL;
        }
 
@@ -809,7 +820,7 @@ libwebsockets_generate_client_handshake(struct libwebsocket_context *context,
 
        n = libwebsockets_get_random(context, hash, 16);
        if (n != 16) {
-               fprintf(stderr, "Unable to read from random dev %s\n",
+               lwsl_err("Unable to read from random dev %s\n",
                                                SYSTEM_RANDOM_FILEPATH);
                free(wsi->c_path);
                free(wsi->c_host);
@@ -986,7 +997,7 @@ libwebsockets_generate_client_handshake(struct libwebsocket_context *context,
                }
 
                if (n) { /* an extension vetos us */
-                       debug("ext %s vetoed\n", (char *)ext->name);
+                       lwsl_ext("ext %s vetoed\n", (char *)ext->name);
                        ext++;
                        continue;
                }
@@ -1097,28 +1108,28 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
                        !wsi->utf8_token[WSI_TOKEN_CONNECTION].token_len ||
                        (!wsi->utf8_token[WSI_TOKEN_PROTOCOL].token_len &&
                        wsi->c_protocol != NULL)) {
-                       debug("libwebsocket_client_handshake "
+                       lwsl_parser("libwebsocket_client_handshake "
                                        "missing required header(s)\n");
                        pkt[len] = '\0';
-                       debug("%s", pkt);
+                       lwsl_parser("%s", pkt);
                        goto bail3;
                }
 
                strtolower(wsi->utf8_token[WSI_TOKEN_HTTP].token);
                if (strncmp(wsi->utf8_token[WSI_TOKEN_HTTP].token, "101", 3)) {
-                       fprintf(stderr, "libwebsocket_client_handshake "
+                       lwsl_warn("libwebsocket_client_handshake "
                                "server sent bad HTTP response '%s'\n",
                                wsi->utf8_token[WSI_TOKEN_HTTP].token);
                        goto bail3;
                }
 
                if (wsi->utf8_token[WSI_TOKEN_CHALLENGE].token_len < 16) {
-                       fprintf(stderr, "libwebsocket_client_handshake "
+                       lwsl_parser("libwebsocket_client_handshake "
                                "challenge reply too short %d\n",
                                wsi->utf8_token[
                                        WSI_TOKEN_CHALLENGE].token_len);
                        pkt[len] = '\0';
-                       debug("%s", pkt);
+                       lwsl_parser("%s", pkt);
                        goto bail3;
 
                }
@@ -1131,17 +1142,17 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
         * Now let's confirm it sent all the necessary headers
         */
 #if 0
-       fprintf(stderr, "WSI_TOKEN_HTTP: %d\n",
+       lwsl_parser("WSI_TOKEN_HTTP: %d\n",
                                    wsi->utf8_token[WSI_TOKEN_HTTP].token_len);
-       fprintf(stderr, "WSI_TOKEN_UPGRADE: %d\n",
+       lwsl_parser("WSI_TOKEN_UPGRADE: %d\n",
                                 wsi->utf8_token[WSI_TOKEN_UPGRADE].token_len);
-       fprintf(stderr, "WSI_TOKEN_CONNECTION: %d\n",
+       lwsl_parser("WSI_TOKEN_CONNECTION: %d\n",
                              wsi->utf8_token[WSI_TOKEN_CONNECTION].token_len);
-       fprintf(stderr, "WSI_TOKEN_ACCEPT: %d\n",
+       lwsl_parser("WSI_TOKEN_ACCEPT: %d\n",
                                  wsi->utf8_token[WSI_TOKEN_ACCEPT].token_len);
-       fprintf(stderr, "WSI_TOKEN_NONCE: %d\n",
+       lwsl_parser("WSI_TOKEN_NONCE: %d\n",
                                   wsi->utf8_token[WSI_TOKEN_NONCE].token_len);
-       fprintf(stderr, "WSI_TOKEN_PROTOCOL: %d\n",
+       lwsl_parser("WSI_TOKEN_PROTOCOL: %d\n",
                                wsi->utf8_token[WSI_TOKEN_PROTOCOL].token_len);
 #endif
        if (!wsi->utf8_token[WSI_TOKEN_HTTP].token_len ||
@@ -1152,10 +1163,10 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
                                   wsi->ietf_spec_revision == 4) ||
            (!wsi->utf8_token[WSI_TOKEN_PROTOCOL].token_len &&
                                                    wsi->c_protocol != NULL)) {
-               debug("libwebsocket_client_handshake "
+               lwsl_parser("libwebsocket_client_handshake "
                                        "missing required header(s)\n");
                pkt[len] = '\0';
-               debug("%s", pkt);
+               lwsl_parser("%s", pkt);
                goto bail3;
        }
 
@@ -1166,7 +1177,7 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
 
        strtolower(wsi->utf8_token[WSI_TOKEN_HTTP].token);
        if (strncmp(wsi->utf8_token[WSI_TOKEN_HTTP].token, "101", 3)) {
-               fprintf(stderr, "libwebsocket_client_handshake "
+               lwsl_warn("libwebsocket_client_handshake "
                                "server sent bad HTTP response '%s'\n",
                                 wsi->utf8_token[WSI_TOKEN_HTTP].token);
                goto bail3;
@@ -1175,7 +1186,7 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
        strtolower(wsi->utf8_token[WSI_TOKEN_UPGRADE].token);
        if (strcmp(wsi->utf8_token[WSI_TOKEN_UPGRADE].token,
                                                         "websocket")) {
-               fprintf(stderr, "libwebsocket_client_handshake server "
+               lwsl_warn("libwebsocket_client_handshake server "
                                "sent bad Upgrade header '%s'\n",
                                  wsi->utf8_token[WSI_TOKEN_UPGRADE].token);
                goto bail3;
@@ -1184,7 +1195,7 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
        strtolower(wsi->utf8_token[WSI_TOKEN_CONNECTION].token);
        if (strcmp(wsi->utf8_token[WSI_TOKEN_CONNECTION].token,
                                                           "upgrade")) {
-               fprintf(stderr, "libwebsocket_client_handshake server "
+               lwsl_warn("libwebsocket_client_handshake server "
                                "sent bad Connection hdr '%s'\n",
                           wsi->utf8_token[WSI_TOKEN_CONNECTION].token);
                goto bail3;
@@ -1193,10 +1204,10 @@ lws_client_interpret_server_handshake(struct libwebsocket_context *context,
 select_protocol:
        pc = wsi->c_protocol;
        if (pc == NULL)
-               fprintf(stderr, "lws_client_interpret_server_handshake: "
+               lwsl_parser("lws_client_interpret_server_handshake: "
                                                          "NULL c_protocol\n");
        else
-               debug("lws_client_interpret_server_handshake: "
+               lwsl_parser("lws_client_interpret_server_handshake: "
                                                      "cPprotocol='%s'\n", pc);
 
        /*
@@ -1206,7 +1217,7 @@ select_protocol:
 
        if (!wsi->utf8_token[WSI_TOKEN_PROTOCOL].token_len) {
 
-               fprintf(stderr, "lws_client_interpret_server_handshake "
+               lwsl_warn("lws_client_interpret_server_handshake "
                                               "WSI_TOKEN_PROTOCOL is null\n");
                /*
                 * no protocol name to work from,
@@ -1239,7 +1250,7 @@ select_protocol:
                free(wsi->c_protocol);
 
        if (!okay) {
-               fprintf(stderr, "libwebsocket_client_handshake server "
+               lwsl_err("libwebsocket_client_handshake server "
                                        "sent bad protocol '%s'\n",
                                 wsi->utf8_token[WSI_TOKEN_PROTOCOL].token);
                goto bail2;
@@ -1260,7 +1271,7 @@ select_protocol:
        }
 
        if (wsi->protocol == NULL) {
-               fprintf(stderr, "libwebsocket_client_handshake server "
+               lwsl_err("libwebsocket_client_handshake server "
                                "requested protocol '%s', which we "
                                "said we supported but we don't!\n",
                                 wsi->utf8_token[WSI_TOKEN_PROTOCOL].token);
@@ -1273,7 +1284,7 @@ check_extensions:
        /* instantiate the accepted extensions */
 
        if (!wsi->utf8_token[WSI_TOKEN_EXTENSIONS].token_len) {
-               debug("no client extenstions allowed by server\n");
+               lwsl_ext("no client extenstions allowed by server\n");
                goto check_accept;
        }
 
@@ -1303,7 +1314,7 @@ check_extensions:
 
                /* check we actually support it */
 
-               debug("checking client ext %s\n", ext_name);
+               lwsl_ext("checking client ext %s\n", ext_name);
 
                n = 0;
                ext = wsi->protocol->owning_server->extensions;
@@ -1316,7 +1327,7 @@ check_extensions:
 
                        n = 1;
 
-                       debug("instantiating client ext %s\n", ext_name);
+                       lwsl_ext("instantiating client ext %s\n", ext_name);
 
                        /* instantiate the extension on this conn */
 
@@ -1344,7 +1355,7 @@ check_extensions:
                }
 
                if (n == 0) {
-                       fprintf(stderr, "Server said we should use"
+                       lwsl_warn("Server said we should use"
                                  "an unknown extension '%s'!\n", ext_name);
                        goto bail2;
                }
@@ -1359,10 +1370,10 @@ check_accept:
 
                if (memcmp(wsi->initial_handshake_hash_base64,
                          wsi->utf8_token[WSI_TOKEN_CHALLENGE].token, 16)) {
-                       fprintf(stderr, "libwebsocket_client_handshake "
+                       lwsl_warn("libwebsocket_client_handshake "
                                           "failed 00 challenge compare\n");
                                pkt[len] = '\0';
-                               fprintf(stderr, "%s", pkt);
+                               lwsl_warn("%s", pkt);
                                goto bail2;
                }
 
@@ -1375,7 +1386,7 @@ check_accept:
 
        if (strcmp(wsi->utf8_token[WSI_TOKEN_ACCEPT].token,
                                  wsi->initial_handshake_hash_base64)) {
-               fprintf(stderr, "libwebsocket_client_handshake server "
+               lwsl_warn("libwebsocket_client_handshake server "
                        "sent bad ACCEPT '%s' vs computed '%s'\n",
                        wsi->utf8_token[WSI_TOKEN_ACCEPT].token,
                                        wsi->initial_handshake_hash_base64);
@@ -1411,7 +1422,7 @@ accept_ok:
        wsi->state = WSI_STATE_ESTABLISHED;
        wsi->mode = LWS_CONNMODE_WS_CLIENT;
 
-       _debug("handshake OK for protocol %s\n", wsi->protocol->name);
+       lwsl_debug("handshake OK for protocol %s\n", wsi->protocol->name);
 
        /* call him back to inform him he is up */
 
@@ -1534,7 +1545,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                        break;
 
                if (context->fds_count >= MAX_CLIENTS) {
-                       fprintf(stderr, "too busy to accept new client\n");
+                       lwsl_warn("too busy to accept new client\n");
                        break;
                }
 
@@ -1544,7 +1555,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                accept_fd  = accept(pollfd->fd, (struct sockaddr *)&cli_addr,
                                                                       &clilen);
                if (accept_fd < 0) {
-                       debug("ERROR on accept: %d\n", strerror(errno));
+                       lwsl_warn("ERROR on accept: %d\n", strerror(errno));
                        return -1;
                }
 
@@ -1562,7 +1573,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                if ((context->protocols[0].callback)(context, wsi,
                                LWS_CALLBACK_FILTER_NETWORK_CONNECTION,
                                           (void *)(long)accept_fd, NULL, 0)) {
-                       debug("Callback denied network connection\n");
+                       lwsl_debug("Callback denied network connection\n");
 #ifdef WIN32
                        closesocket(accept_fd);
 #else
@@ -1593,7 +1604,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
 
                        new_wsi->ssl = SSL_new(context->ssl_ctx);
                        if (new_wsi->ssl == NULL) {
-                               fprintf(stderr, "SSL_new failed: %s\n",
+                               lwsl_err("SSL_new failed: %s\n",
                                    ERR_error_string(SSL_get_error(
                                    new_wsi->ssl, 0), NULL));
                                    libwebsockets_decode_ssl_error();
@@ -1615,7 +1626,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                                 * ssl params which fail then retry
                                 * and succeed
                                 */
-                               _debug("SSL_accept failed skt %u: %s\n",
+                               lwsl_debug("SSL_accept failed skt %u: %s\n",
                                      pollfd->fd,
                                      ERR_error_string(SSL_get_error(
                                      new_wsi->ssl, n), NULL));
@@ -1630,14 +1641,14 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                                break;
                        }
 
-                       _debug("accepted new SSL conn  "
+                       lwsl_debug("accepted new SSL conn  "
                              "port %u on fd=%d SSL ver %s\n",
                                ntohs(cli_addr.sin_port), accept_fd,
                                  SSL_get_version(new_wsi->ssl));
 
                } else
 #endif
-                       _debug("accepted new conn  port %u on fd=%d\n",
+                       lwsl_debug("accepted new conn  port %u on fd=%d\n",
                                          ntohs(cli_addr.sin_port), accept_fd);
 
                insert_wsi(context, new_wsi);
@@ -1672,12 +1683,12 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                accept_fd  = accept(pollfd->fd, (struct sockaddr *)&cli_addr,
                                                                       &clilen);
                if (accept_fd < 0) {
-                       debug("ERROR on accept\n");
+                       lwsl_warn("ERROR on accept %d\n", accept_fd);
                        return -1;
                }
 
                if (context->fds_count >= MAX_CLIENTS) {
-                       fprintf(stderr, "too busy to accept new broadcast "
+                       lwsl_err("too busy to accept new broadcast "
                                                              "proxy client\n");
 #ifdef WIN32
                        closesocket(accept_fd);
@@ -1719,7 +1730,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
 
                if (pollfd->revents & (POLLERR | POLLHUP)) {
 
-                       _debug("Session Socket %p (fd=%d) dead\n",
+                       lwsl_debug("Session Socket %p (fd=%d) dead\n",
                                (void *)wsi, pollfd->fd);
 
                        libwebsocket_close_and_free_session(context, wsi,
@@ -1750,7 +1761,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                len = read(pollfd->fd, buf + LWS_SEND_BUFFER_PRE_PADDING,
                                                         MAX_BROADCAST_PAYLOAD);
                if (len < 0) {
-                       fprintf(stderr, "Error reading broadcast payload\n");
+                       lwsl_err("Error reading broadcast payload\n");
                        break;
                }
 
@@ -1800,7 +1811,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
 
                if (pollfd->revents & (POLLERR | POLLHUP)) {
 
-                       fprintf(stderr, "Proxy connection %p (fd=%d) dead\n",
+                       lwsl_warn("Proxy connection %p (fd=%d) dead\n",
                                (void *)wsi, pollfd->fd);
 
                        libwebsocket_close_and_free_session(context, wsi,
@@ -1812,7 +1823,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                if (n < 0) {
                        libwebsocket_close_and_free_session(context, wsi,
                                                     LWS_CLOSE_STATUS_NOSTATUS);
-                       fprintf(stderr, "ERROR reading from proxy socket\n");
+                       lwsl_err("ERROR reading from proxy socket\n");
                        return 1;
                }
 
@@ -1820,7 +1831,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                if (strcmp(pkt, "HTTP/1.0 200 ") != 0) {
                        libwebsocket_close_and_free_session(context, wsi,
                                                     LWS_CLOSE_STATUS_NOSTATUS);
-                       fprintf(stderr, "ERROR from proxy: %s\n", pkt);
+                       lwsl_err("ERROR from proxy: %s\n", pkt);
                        return 1;
                }
 
@@ -1853,7 +1864,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                                 * run into the connection timeout or win
                                 */
 
-                               fprintf(stderr, "SSL connect error %s\n",
+                               lwsl_err("SSL connect error %s\n",
                                        ERR_error_string(ERR_get_error(),
                                                                  ssl_err_buf));
                                return 0;
@@ -1864,7 +1875,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                                n != X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT ||
                                                           wsi->use_ssl != 2)) {
 
-                               fprintf(stderr, "server's cert didn't "
+                               lwsl_err("server's cert didn't "
                                                           "look good %d\n", n);
                                libwebsocket_close_and_free_session(context,
                                                wsi, LWS_CLOSE_STATUS_NOSTATUS);
@@ -1888,7 +1899,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
                        n = send(wsi->sock, pkt, p - pkt, 0);
 
                if (n < 0) {
-                       fprintf(stderr, "ERROR writing to client socket\n");
+                       lwsl_debug("ERROR writing to client socket\n");
                        libwebsocket_close_and_free_session(context, wsi,
                                                     LWS_CLOSE_STATUS_NOSTATUS);
                        return 1;
@@ -1907,7 +1918,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context,
 
                if (pollfd->revents & (POLLERR | POLLHUP)) {
 
-                       fprintf(stderr, "Server connection %p (fd=%d) dead\n",
+                       lwsl_debug("Server connection %p (fd=%d) dead\n",
                                (void *)wsi, pollfd->fd);
 
                        goto bail3;
@@ -1971,13 +1982,11 @@ bail3:
                return 1;
 
        case LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT:
-               fprintf(stderr,
-                        "LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT\n");
+               lwsl_ext("LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT\n");
                break;
 
        case LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD:
-               fprintf(stderr,
-                          "LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD\n");
+               lwsl_ext("LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD\n");
                break;
 
 
@@ -1988,7 +1997,7 @@ bail3:
 
                if (pollfd->revents & (POLLERR | POLLHUP)) {
 
-                       fprintf(stderr, "Session Socket %p (fd=%d) dead\n",
+                       lwsl_debug("Session Socket %p (fd=%d) dead\n",
                                (void *)wsi, pollfd->fd);
 
                        libwebsocket_close_and_free_session(context, wsi,
@@ -2023,7 +2032,7 @@ read_pending:
                                           recv(pollfd->fd, buf, sizeof buf, 0);
 
                if (eff_buf.token_len < 0) {
-                       fprintf(stderr, "Socket read returned %d\n",
+                       lwsl_debug("Socket read returned %d\n",
                                                            eff_buf.token_len);
                        if (errno != EINTR && errno != EAGAIN)
                                libwebsocket_close_and_free_session(context,
@@ -2062,7 +2071,7 @@ read_pending:
                                        wsi->active_extensions_user[n],
                                                                   &eff_buf, 0);
                                if (m < 0) {
-                                       fprintf(stderr,
+                                       lwsl_ext(
                                            "Extension reports fatal error\n");
                                        libwebsocket_close_and_free_session(
                                                context, wsi,
@@ -2215,7 +2224,7 @@ libwebsocket_service(struct libwebsocket_context *context, int timeout_ms)
 
        if (n < 0) {
                /*
-               fprintf(stderr, "Listen Socket dead\n");
+               lwsl_err("Listen Socket dead\n");
                */
                return -1;
        }
@@ -2312,7 +2321,7 @@ libwebsocket_callback_on_writable(struct libwebsocket_context *context,
                }
 
        if (n == context->fds_count)
-               fprintf(stderr, "libwebsocket_callback_on_writable: "
+               lwsl_err("libwebsocket_callback_on_writable: "
                                      "failed to find socket %d\n", wsi->sock);
 
        /* external POLL support via protocol 0 */
@@ -2431,8 +2440,7 @@ libwebsocket_rx_flow_control(struct libwebsocket *wsi, int enable)
                        (void *)(long)wsi->sock, NULL, POLLIN);
 
 #if 0
-       fprintf(stderr, "libwebsocket_rx_flow_control "
-                                                    "unable to find socket\n");
+       lwsl_err("libwebsocket_rx_flow_control unable to find socket\n");
 #endif
        return 1;
 }
@@ -2573,6 +2581,8 @@ libwebsocket_create_context(int port, const char *interf,
        char ssl_err_buf[512];
 #endif
 
+       lwsl_info("Initial logging level %d\n", log_level);
+
 #ifdef _WIN32
        {
                WORD wVersionRequested;
@@ -2587,8 +2597,7 @@ libwebsocket_create_context(int port, const char *interf,
                if (err != 0) {
                        /* Tell the user that we could not find a usable */
                        /* Winsock DLL.                                  */
-                       fprintf(stderr, "WSAStartup failed with error: %d\n",
-                                                                          err);
+                       lwsl_err("WSAStartup failed with error: %d\n", err);
                        return NULL;
                }
 
@@ -2605,7 +2614,7 @@ libwebsocket_create_context(int port, const char *interf,
 
        context = (struct libwebsocket_context *) malloc(sizeof(struct libwebsocket_context));
        if (!context) {
-               fprintf(stderr, "No memory for websocket context\n");
+               lwsl_err("No memory for websocket context\n");
                return NULL;
        }
        context->protocols = protocols;
@@ -2623,7 +2632,7 @@ libwebsocket_create_context(int port, const char *interf,
 #else
        context->fd_random = open(SYSTEM_RANDOM_FILEPATH, O_RDONLY);
        if (context->fd_random < 0) {
-               fprintf(stderr, "Unable to open random device %s %d\n",
+               lwsl_err("Unable to open random device %s %d\n",
                                    SYSTEM_RANDOM_FILEPATH, context->fd_random);
                return NULL;
        }
@@ -2654,7 +2663,7 @@ libwebsocket_create_context(int port, const char *interf,
 
                if (strlen(hostname) < sizeof(sa.sa_data) - 1) {
                        strcpy(sa.sa_data, hostname);
-       //              fprintf(stderr, "my host name is %s\n", sa.sa_data);
+       //              lwsl_debug("my host name is %s\n", sa.sa_data);
                        n = getnameinfo(&sa, sizeof(sa), hostname,
                                (sizeof hostname) - 1, NULL, 0, 0);
                }
@@ -2668,7 +2677,7 @@ libwebsocket_create_context(int port, const char *interf,
                        strncpy(context->canonical_hostname, hostname,
                                                sizeof context->canonical_hostname - 1);
 
-       //      fprintf(stderr, "context->canonical_hostname = %s\n",
+       //      lwsl_debug("context->canonical_hostname = %s\n",
        //                                              context->canonical_hostname);
        }
 
@@ -2683,13 +2692,13 @@ libwebsocket_create_context(int port, const char *interf,
 
                p = strchr(context->http_proxy_address, ':');
                if (p == NULL) {
-                       fprintf(stderr, "http_proxy needs to be ads:port\n");
+                       lwsl_err("http_proxy needs to be ads:port\n");
                        return NULL;
                }
                *p = '\0';
                context->http_proxy_port = atoi(p + 1);
 
-               fprintf(stderr, "Using proxy %s:%u\n",
+               lwsl_debug("Using proxy %s:%u\n",
                                context->http_proxy_address,
                                                      context->http_proxy_port);
        }
@@ -2700,19 +2709,17 @@ libwebsocket_create_context(int port, const char *interf,
                context->use_ssl = ssl_cert_filepath != NULL &&
                                               ssl_private_key_filepath != NULL;
                if (context->use_ssl)
-                       fprintf(stderr, " Compiled with SSL support, "
-                                                                 "using it\n");
+                       lwsl_info(" Compiled with SSL support, using it\n");
                else
-                       fprintf(stderr, " Compiled with SSL support, "
-                                                             "not using it\n");
+                       lwsl_info(" Compiled with SSL support, not using it\n");
 
 #else
                if (ssl_cert_filepath != NULL &&
                                             ssl_private_key_filepath != NULL) {
-                       fprintf(stderr, " Not compiled for OpenSSl support!\n");
+                       lwsl_info(" Not compiled for OpenSSl support!\n");
                        return NULL;
                }
-               fprintf(stderr, " Compiled without SSL support, "
+               lwsl_info(" Compiled without SSL support, "
                                                       "serving unencrypted\n");
 #endif
        }
@@ -2743,13 +2750,13 @@ libwebsocket_create_context(int port, const char *interf,
 
        method = (SSL_METHOD *)SSLv23_server_method();
        if (!method) {
-               fprintf(stderr, "problem creating ssl method: %s\n",
+               lwsl_err("problem creating ssl method: %s\n",
                        ERR_error_string(ERR_get_error(), ssl_err_buf));
                return NULL;
        }
        context->ssl_ctx = SSL_CTX_new(method); /* create context */
        if (!context->ssl_ctx) {
-               fprintf(stderr, "problem creating ssl context: %s\n",
+               lwsl_err("problem creating ssl context: %s\n",
                        ERR_error_string(ERR_get_error(), ssl_err_buf));
                return NULL;
        }
@@ -2765,14 +2772,14 @@ libwebsocket_create_context(int port, const char *interf,
        if (port == CONTEXT_PORT_NO_LISTEN) {
                method = (SSL_METHOD *)SSLv23_client_method();
                if (!method) {
-                       fprintf(stderr, "problem creating ssl method: %s\n",
+                       lwsl_err("problem creating ssl method: %s\n",
                                ERR_error_string(ERR_get_error(), ssl_err_buf));
                        return NULL;
                }
                /* create context */
                context->ssl_client_ctx = SSL_CTX_new(method);
                if (!context->ssl_client_ctx) {
-                       fprintf(stderr, "problem creating ssl context: %s\n",
+                       lwsl_err("problem creating ssl context: %s\n",
                                ERR_error_string(ERR_get_error(), ssl_err_buf));
                        return NULL;
                }
@@ -2788,7 +2795,7 @@ libwebsocket_create_context(int port, const char *interf,
                        if (!SSL_CTX_load_verify_locations(
                                context->ssl_client_ctx, NULL,
                                                     LWS_OPENSSL_CLIENT_CERTS))
-                               fprintf(stderr,
+                               lwsl_err(
                                        "Unable to load SSL Client certs from %s "
                                        "(set by --with-client-cert-dir= in configure) -- "
                                        " client ssl isn't going to work",
@@ -2797,7 +2804,7 @@ libwebsocket_create_context(int port, const char *interf,
                        if (!SSL_CTX_load_verify_locations(
                                context->ssl_client_ctx, ssl_ca_filepath,
                                                                  NULL))
-                               fprintf(stderr,
+                               lwsl_err(
                                        "Unable to load SSL Client certs "
                                        "file from %s -- client ssl isn't "
                                        "going to work", ssl_ca_filepath);
@@ -2840,7 +2847,7 @@ libwebsocket_create_context(int port, const char *interf,
                n = SSL_CTX_use_certificate_chain_file(context->ssl_ctx,
                                        ssl_cert_filepath);
                if (n != 1) {
-                       fprintf(stderr, "problem getting cert '%s': %s\n",
+                       lwsl_err("problem getting cert '%s': %s\n",
                                ssl_cert_filepath,
                                ERR_error_string(ERR_get_error(), ssl_err_buf));
                        return NULL;
@@ -2848,14 +2855,14 @@ libwebsocket_create_context(int port, const char *interf,
                /* set the private key from KeyFile */
                if (SSL_CTX_use_PrivateKey_file(context->ssl_ctx,
                             ssl_private_key_filepath, SSL_FILETYPE_PEM) != 1) {
-                       fprintf(stderr, "ssl problem getting key '%s': %s\n",
+                       lwsl_err("ssl problem getting key '%s': %s\n",
                                                ssl_private_key_filepath,
                                ERR_error_string(ERR_get_error(), ssl_err_buf));
                        return NULL;
                }
                /* verify private key */
                if (!SSL_CTX_check_private_key(context->ssl_ctx)) {
-                       fprintf(stderr, "Private SSL key doesn't match cert\n");
+                       lwsl_err("Private SSL key doesn't match cert\n");
                        return NULL;
                }
 
@@ -2879,7 +2886,7 @@ libwebsocket_create_context(int port, const char *interf,
 
                sockfd = socket(AF_INET, SOCK_STREAM, 0);
                if (sockfd < 0) {
-                       fprintf(stderr, "ERROR opening socket");
+                       lwsl_err("ERROR opening socket");
                        return NULL;
                }
 
@@ -2904,7 +2911,7 @@ libwebsocket_create_context(int port, const char *interf,
                n = bind(sockfd, (struct sockaddr *) &serv_addr,
                                                             sizeof(serv_addr));
                if (n < 0) {
-                       fprintf(stderr, "ERROR on binding to port %d (%d %d)\n",
+                       lwsl_err("ERROR on binding to port %d (%d %d)\n",
                                                                port, n, errno);
                        return NULL;
                }
@@ -2917,7 +2924,7 @@ libwebsocket_create_context(int port, const char *interf,
                insert_wsi(context, wsi);
 
                listen(sockfd, SOMAXCONN);
-               fprintf(stderr, " Listening on port %d\n", port);
+               lwsl_info(" Listening on port %d\n", port);
 
                /* list in the internal poll array */
 
@@ -2940,10 +2947,10 @@ libwebsocket_create_context(int port, const char *interf,
 #else
        if (gid != -1)
                if (setgid(gid))
-                       fprintf(stderr, "setgid: %s\n", strerror(errno));
+                       lwsl_warn("setgid: %s\n", strerror(errno));
        if (uid != -1)
                if (setuid(uid))
-                       fprintf(stderr, "setuid: %s\n", strerror(errno));
+                       lwsl_warn("setuid: %s\n", strerror(errno));
 #endif
 
        /* set up our internal broadcast trigger sockets per-protocol */
@@ -2952,7 +2959,8 @@ libwebsocket_create_context(int port, const char *interf,
                        protocols[context->count_protocols].callback;
                                                   context->count_protocols++) {
 
-               _debug("  Protocol: %s\n", protocols[context->count_protocols].name);
+               lwsl_parser("  Protocol: %s\n",
+                               protocols[context->count_protocols].name);
 
                protocols[context->count_protocols].owning_server = context;
                protocols[context->count_protocols].protocol_index =
@@ -2960,7 +2968,7 @@ libwebsocket_create_context(int port, const char *interf,
 
                fd = socket(AF_INET, SOCK_STREAM, 0);
                if (fd < 0) {
-                       fprintf(stderr, "ERROR opening socket");
+                       lwsl_err("ERROR opening socket");
                        return NULL;
                }
 
@@ -2975,7 +2983,7 @@ libwebsocket_create_context(int port, const char *interf,
 
                n = bind(fd, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
                if (n < 0) {
-                       fprintf(stderr, "ERROR on binding to port %d (%d %d)\n",
+                       lwsl_err("ERROR on binding to port %d (%d %d)\n",
                                                                port, n, errno);
                        return NULL;
                }
@@ -2983,14 +2991,14 @@ libwebsocket_create_context(int port, const char *interf,
                slen = sizeof cli_addr;
                n = getsockname(fd, (struct sockaddr *)&cli_addr, &slen);
                if (n < 0) {
-                       fprintf(stderr, "getsockname failed\n");
+                       lwsl_err("getsockname failed\n");
                        return NULL;
                }
                protocols[context->count_protocols].broadcast_socket_port =
                                                       ntohs(cli_addr.sin_port);
                listen(fd, 5);
 
-               _debug("  Protocol %s broadcast socket %d\n",
+               lwsl_debug("  Protocol %s broadcast socket %d\n",
                                protocols[context->count_protocols].name,
                                                      ntohs(cli_addr.sin_port));
 
@@ -3030,7 +3038,7 @@ libwebsocket_create_context(int port, const char *interf,
        
        if (extensions) {
            while (extensions->callback) {
-                   debug("  Extension: %s\n", extensions->name);
+                   lwsl_ext("  Extension: %s\n", extensions->name);
                    extensions->callback(context, extensions, NULL,
                        (enum libwebsocket_extension_callback_reasons)m,
                                                                NULL, NULL, 0);
@@ -3078,7 +3086,7 @@ libwebsockets_fork_service_loop(struct libwebsocket_context *context)
                for (p = 0; p < context->count_protocols; p++) {
                        fd = socket(AF_INET, SOCK_STREAM, 0);
                        if (fd < 0) {
-                               fprintf(stderr, "Unable to create socket\n");
+                               lwsl_err("Unable to create socket\n");
                                return -1;
                        }
                        cli_addr.sin_family = AF_INET;
@@ -3088,7 +3096,7 @@ libwebsockets_fork_service_loop(struct libwebsocket_context *context)
                        n = connect(fd, (struct sockaddr *)&cli_addr,
                                                               sizeof cli_addr);
                        if (n < 0) {
-                               fprintf(stderr, "Unable to connect to "
+                               lwsl_err("Unable to connect to "
                                                "broadcast socket %d, %s\n",
                                                n, strerror(errno));
                                return -1;
@@ -3256,8 +3264,7 @@ libwebsocket_ensure_user_space(struct libwebsocket *wsi)
                wsi->user_space = malloc(
                                  wsi->protocol->per_session_data_size);
                if (wsi->user_space  == NULL) {
-                       fprintf(stderr, "Out of memory for "
-                                                  "conn user space\n");
+                       lwsl_err("Out of memory for conn user space\n");
                        return NULL;
                }
                memset(wsi->user_space, 0,
@@ -3265,3 +3272,36 @@ libwebsocket_ensure_user_space(struct libwebsocket *wsi)
        }
        return wsi->user_space;
 }
+
+void _lws_log(int filter, const char *format, ...)
+{
+       va_list ap;
+       int n;
+
+       if (!(log_level & filter))
+               return;
+
+       for (n = 0; n < LLL_COUNT; n++)
+               if (filter == (1 << n)) {
+                       fprintf(stderr, "%s: ", log_level_names[n]);
+                       break;
+               }
+
+       va_start(ap, format);
+       vfprintf(stderr, format, ap);
+       va_end(ap);         
+}
+
+/**
+ * lws_set_log_level() - Set the logging bitfield
+ * @level:     OR together the LLL_ debug contexts you want output from
+ *
+ *
+ *     defaults to err and warn contexts enabled
+ */
+
+void lws_set_log_level(int level)
+{
+       log_level = level;
+}
+
index 0e06670..25aa554 100644 (file)
@@ -62,6 +62,19 @@ typedef int ssize_t;
 #define CONTEXT_PORT_NO_LISTEN 0
 #define MAX_MUX_RECURSION 2
 
+enum lws_log_levels {
+       LLL_ERR = 1 << 0,
+       LLL_WARN = 1 << 1,
+       LLL_INFO = 1 << 2,
+       LLL_DEBUG = 1 << 3,
+       LLL_PARSER = 1 << 4,
+       LLL_HEADER = 1 << 5,
+       LLL_EXT = 1 << 6,
+       LLL_CLIENT = 1 << 7,
+
+       LLL_COUNT = 8 /* set to count of valid flags */
+};
+
 enum libwebsocket_context_options {
        LWS_SERVER_OPTION_DEFEAT_CLIENT_MASK = 1,
        LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT = 2,
@@ -641,7 +654,8 @@ struct libwebsocket_extension {
        void * per_context_private_data;
 };
 
-
+LWS_EXTERN
+void lws_set_log_level(int level);
 
 LWS_EXTERN struct libwebsocket_context *
 libwebsocket_create_context(int port, const char * interf,
index c5017a7..04173d7 100644 (file)
@@ -77,7 +77,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
        case WSI_TOKEN_HTTP:
        case WSI_TOKEN_MUXURL:
 
-               _debug("WSI_TOKEN_(%d) '%c'\n", wsi->parser_state, c);
+               lwsl_parser("WSI_TOKEN_(%d) '%c'\n", wsi->parser_state, c);
 
                /* collect into malloc'd buffers */
                /* optional space swallow */
@@ -88,7 +88,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
                if (wsi->parser_state == WSI_TOKEN_GET_URI && c == ' ') {
                        wsi->utf8_token[wsi->parser_state].token[
                           wsi->utf8_token[wsi->parser_state].token_len] = '\0';
-//                     debug("uri '%s'\n", wsi->utf8_token[wsi->parser_state].token);
+//                     lwsl_parser("uri '%s'\n", wsi->utf8_token[wsi->parser_state].token);
                        wsi->parser_state = WSI_TOKEN_SKIPPING;
                        break;
                }
@@ -115,7 +115,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
                        wsi->utf8_token[wsi->parser_state].token[
                           wsi->utf8_token[wsi->parser_state].token_len] = '\0';
                        wsi->parser_state = WSI_TOKEN_SKIPPING_SAW_CR;
-                       _debug("*\n");
+                       lwsl_parser("*\n");
                        break;
                }
 
@@ -156,7 +156,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                /* For any supported protocol we have enough payload */
 
-               _debug("Setting WSI_PARSING_COMPLETE\n");
+               lwsl_parser("Setting WSI_PARSING_COMPLETE\n");
                wsi->parser_state = WSI_PARSING_COMPLETE;
                break;
 
@@ -171,7 +171,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                /* collecting and checking a name part */
        case WSI_TOKEN_NAME_PART:
-               _debug("WSI_TOKEN_NAME_PART '%c'\n", c);
+               lwsl_parser("WSI_TOKEN_NAME_PART '%c'\n", c);
 
                if (wsi->name_buffer_pos == sizeof(wsi->name_buffer) - 1) {
                        /* name bigger than we can handle, skip until next */
@@ -186,7 +186,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
                                continue;
                        if (strcasecmp(lws_tokens[n].token, wsi->name_buffer))
                                continue;
-                       _debug("known hdr '%s'\n", wsi->name_buffer);
+                       lwsl_parser("known hdr '%s'\n", wsi->name_buffer);
 
                        /*
                         * WSORIGIN is protocol equiv to ORIGIN,
@@ -213,7 +213,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                if (wsi->parser_state == WSI_TOKEN_NAME_PART) {
                        if (c == ':') {
-                               debug("skipping unknown header '%s'\n",
+                               lwsl_parser("skipping unknown header '%s'\n",
                                                          wsi->name_buffer);
                                wsi->parser_state = WSI_TOKEN_SKIPPING;
                                break;
@@ -221,7 +221,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                        if (c == ' ' &&
                                !wsi->utf8_token[WSI_TOKEN_GET_URI].token_len) {
-                               debug("unknown method '%s'\n",
+                               lwsl_parser("unknown method '%s'\n",
                                                          wsi->name_buffer);
                                wsi->parser_state = WSI_TOKEN_GET_URI;
                                wsi->current_alloc_len = LWS_INITIAL_HDR_ALLOC;
@@ -238,7 +238,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                if (!wsi->utf8_token[WSI_TOKEN_UPGRADE].token_len) {
                        /* they're HTTP headers, not websocket upgrade! */
-                       _debug("Setting WSI_PARSING_COMPLETE "
+                       lwsl_parser("Setting WSI_PARSING_COMPLETE "
                                                         "from http headers\n");
                        wsi->parser_state = WSI_PARSING_COMPLETE;
                }
@@ -247,7 +247,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                if (wsi->utf8_token[WSI_TOKEN_VERSION].token_len &&
                         atoi(wsi->utf8_token[WSI_TOKEN_VERSION].token) >= 4) {
-                       _debug("04 header completed\n");
+                       lwsl_parser("04 header completed\n");
                        wsi->parser_state = WSI_PARSING_COMPLETE;
                        wsi->utf8_token[WSI_TOKEN_CHALLENGE].token_len = 0;
                        free(wsi->utf8_token[WSI_TOKEN_CHALLENGE].token);
@@ -257,7 +257,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
                /* client parser? */
 
                if (wsi->ietf_spec_revision >= 4) {
-                       _debug("04 header completed\n");
+                       lwsl_parser("04 header completed\n");
                        wsi->parser_state = WSI_PARSING_COMPLETE;
                }
 
@@ -265,12 +265,12 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
 
                /* skipping arg part of a name we didn't recognize */
        case WSI_TOKEN_SKIPPING:
-               _debug("WSI_TOKEN_SKIPPING '%c'\n", c);
+               lwsl_parser("WSI_TOKEN_SKIPPING '%c'\n", c);
                if (c == '\x0d')
                        wsi->parser_state = WSI_TOKEN_SKIPPING_SAW_CR;
                break;
        case WSI_TOKEN_SKIPPING_SAW_CR:
-               _debug("WSI_TOKEN_SKIPPING_SAW_CR '%c'\n", c);
+               lwsl_parser("WSI_TOKEN_SKIPPING_SAW_CR '%c'\n", c);
                if (c == '\x0a')
                        wsi->parser_state = WSI_TOKEN_NAME_PART;
                else
@@ -279,7 +279,7 @@ int libwebsocket_parse(struct libwebsocket *wsi, unsigned char c)
                break;
                /* we're done, ignore anything else */
        case WSI_PARSING_COMPLETE:
-               _debug("WSI_PARSING_COMPLETE '%c'\n", c);
+               lwsl_parser("WSI_PARSING_COMPLETE '%c'\n", c);
                break;
 
        default:        /* keep gcc happy */
@@ -323,7 +323,7 @@ libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c)
        int m;
 
 #if 0
-       fprintf(stderr, "RX: %02X ", c);
+       lwsl_debug("RX: %02X ", c);
 #endif
 
        switch (wsi->lws_rx_parse_state) {
@@ -359,7 +359,7 @@ libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c)
                        goto handle_first;
 
                default:
-                       fprintf(stderr, "libwebsocket_rx_sm doesn't know "
+                       lwsl_warn("libwebsocket_rx_sm doesn't know "
                            "about spec version %d\n", wsi->ietf_spec_revision);
                        break;
                }
@@ -498,7 +498,7 @@ handle_first:
                                wsi->opcode = LWS_WS_OPCODE_07__BINARY_FRAME;
                                break;
                        default:
-                               fprintf(stderr, "reserved opcodes not "
+                               lwsl_warn("reserved opcodes not "
                                                    "usable pre v7 protocol\n");
                                return -1;
                        }
@@ -516,8 +516,7 @@ handle_first:
                        c = wsi->xor_mask(wsi, c);
 
                if ((c & 0x80) && wsi->ietf_spec_revision < 7) {
-                       fprintf(stderr, "Frame has extensions "
-                                                          "set illegally 2\n");
+                       lwsl_warn("Frame has extensions set illegally 2\n");
                        /* kill the connection */
                        return -1;
                }
@@ -576,7 +575,7 @@ handle_first:
                if (wsi->ietf_spec_revision < 7)
                        c = wsi->xor_mask(wsi, c);
                if (c & 0x80) {
-                       fprintf(stderr, "b63 of length must be zero\n");
+                       lwsl_warn("b63 of length must be zero\n");
                        /* kill the connection */
                        return -1;
                }
@@ -671,16 +670,16 @@ issue:
                if (c)
                        break;
 
-               _debug("Seen that client is requesting "
+               lwsl_parser("Seen that client is requesting "
                                "a v76 close, sending ack\n");
                buf[0] = 0xff;
                buf[1] = 0;
                n = libwebsocket_write(wsi, buf, 2, LWS_WRITE_HTTP);
                if (n < 0) {
-                       fprintf(stderr, "ERROR writing to socket");
+                       lwsl_warn("ERROR writing to socket");
                        return -1;
                }
-               _debug("  v76 close ack sent, server closing skt\n");
+               lwsl_parser("  v76 close ack sent, server closing skt\n");
                /* returning < 0 will get it closed in parent */
                return -1;
 
@@ -741,7 +740,7 @@ spill:
                 * layer?  If so service it and hide it from the user callback
                 */
 
-               _debug("spill on %s\n", wsi->protocol->name);
+               lwsl_parser("spill on %s\n", wsi->protocol->name);
 
                switch (wsi->opcode) {
                case LWS_WS_OPCODE_07__CLOSE:
@@ -751,10 +750,10 @@ spill:
                                 * fine he has told us he is closing too, let's
                                 * finish our close
                                 */
-                               _debug("seen client close ack\n");
+                               lwsl_parser("seen client close ack\n");
                                return -1;
                        }
-                       debug("server sees client close packet\n");
+                       lwsl_parser("server sees client close packet\n");
                        /* parrot the close packet payload back */
                        n = libwebsocket_write(wsi, (unsigned char *)
                           &wsi->rx_user_buffer[LWS_SEND_BUFFER_PRE_PADDING],
@@ -786,7 +785,7 @@ spill:
 
                default:
 
-                       _debug("passing opcode %x up to exts\n", wsi->opcode);
+                       lwsl_parser("passing opcode %x up to exts\n", wsi->opcode);
 
                        /*
                         * It's something special we can't understand here.
@@ -811,7 +810,7 @@ spill:
                        }
 
                        if (!handled)
-                               fprintf(stderr, "Unhandled extended opcode "
+                               lwsl_ext("Unhandled extended opcode "
                                        "0x%x - ignoring frame\n", wsi->opcode);
 
                        wsi->rx_user_buffer_head = 0;
@@ -836,7 +835,7 @@ spill:
                                wsi->active_extensions_user[n],
                                &eff_buf, 0);
                        if (m < 0) {
-                               fprintf(stderr,
+                               lwsl_ext(
                                  "Extension '%s' failed to handle payload!",
                                              wsi->active_extensions[n]->name);
                                return -1;
@@ -853,7 +852,7 @@ spill:
                                                    eff_buf.token,
                                                    eff_buf.token_len);
                    else
-                           fprintf(stderr, "No callback on payload spill!");
+                           lwsl_err("No callback on payload spill!");
                }
 
                wsi->rx_user_buffer_head = 0;
@@ -864,7 +863,7 @@ spill:
 
 illegal_ctl_length:
 
-       fprintf(stderr, "Control frame asking for "
+       lwsl_warn("Control frame asking for "
                        "extended length is illegal\n");
        /* kill the connection */
        return -1;
@@ -880,7 +879,7 @@ int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
        struct lws_tokens eff_buf;
        int m;
 
-       _debug(" CRX: %02X %d\n", c, wsi->lws_rx_parse_state);
+       lwsl_parser(" CRX: %02X %d\n", c, wsi->lws_rx_parse_state);
 
        switch (wsi->lws_rx_parse_state) {
        case LWS_RXPS_NEW:
@@ -977,7 +976,7 @@ int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
                                                LWS_WS_OPCODE_07__BINARY_FRAME;
                                        break;
                                default:
-                                       fprintf(stderr, "reserved opcodes not "
+                                       lwsl_warn("reserved opcodes not "
                                                   "usable pre v7 protocol\n");
                                        return -1;
                                }
@@ -990,7 +989,7 @@ int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
                        break;
 
                default:
-                       fprintf(stderr, "client_rx_sm doesn't know how "
+                       lwsl_err("client_rx_sm doesn't know how "
                                "to handle spec version %02d\n",
                                                       wsi->ietf_spec_revision);
                        break;
@@ -1001,8 +1000,7 @@ int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
        case LWS_RXPS_04_FRAME_HDR_LEN:
 
                if ((c & 0x80) && wsi->ietf_spec_revision < 7) {
-                       fprintf(stderr,
-                                     "Frame has extensions set illegally 4\n");
+                       lwsl_warn("Frame has extensions set illegally 4\n");
                        /* kill the connection */
                        return -1;
                }
@@ -1063,7 +1061,7 @@ int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
 
        case LWS_RXPS_04_FRAME_HDR_LEN64_8:
                if (c & 0x80) {
-                       fprintf(stderr, "b63 of length must be zero\n");
+                       lwsl_warn("b63 of length must be zero\n");
                        /* kill the connection */
                        return -1;
                }
@@ -1186,16 +1184,16 @@ issue:
                if (c)
                        break;
 
-               _debug("Seen that client is requesting "
+               lwsl_parser("Seen that client is requesting "
                                "a v76 close, sending ack\n");
                buf[0] = 0xff;
                buf[1] = 0;
                n = libwebsocket_write(wsi, buf, 2, LWS_WRITE_HTTP);
                if (n < 0) {
-                       fprintf(stderr, "ERROR writing to socket");
+                       lwsl_warn("ERROR writing to socket");
                        return -1;
                }
-               _debug("  v76 close ack sent, server closing skt\n");
+               lwsl_parser("  v76 close ack sent, server closing skt\n");
                /* returning < 0 will get it closed in parent */
                return -1;
 
@@ -1234,15 +1232,15 @@ spill:
                                 * fine he has told us he is closing too, let's
                                 * finish our close
                                 */
-                               debug("seen server's close ack\n");
+                               lwsl_parser("seen server's close ack\n");
                                return -1;
                        }
-                       _debug("client sees server close packet len = %d\n", wsi->rx_user_buffer_head);
+                       lwsl_parser("client sees server close packet len = %d\n", wsi->rx_user_buffer_head);
                        /* parrot the close packet payload back */
                        n = libwebsocket_write(wsi, (unsigned char *)
                           &wsi->rx_user_buffer[LWS_SEND_BUFFER_PRE_PADDING],
                                     wsi->rx_user_buffer_head, LWS_WRITE_CLOSE);
-                       _debug("client writing close ack returned %d\n", n);
+                       lwsl_parser("client writing close ack returned %d\n", n);
                        wsi->state = WSI_STATE_RETURNED_CLOSE_ALREADY;
                        /* close the connection */
                        return -1;
@@ -1270,7 +1268,7 @@ spill:
 
                default:
 
-                       debug("Reserved opcode 0x%2X\n", wsi->opcode);
+                       lwsl_parser("Reserved opcode 0x%2X\n", wsi->opcode);
                        /*
                         * It's something special we can't understand here.
                         * Pass the payload up to the extension's parsing
@@ -1293,7 +1291,7 @@ spill:
                        }
 
                        if (!handled) {
-                               fprintf(stderr, "Unhandled extended opcode "
+                               lwsl_ext("Unhandled extended opcode "
                                        "0x%x - ignoring frame\n", wsi->opcode);
                                wsi->rx_user_buffer_head = 0;
 
@@ -1323,7 +1321,7 @@ spill:
                                wsi->active_extensions_user[n],
                                &eff_buf, 0);
                        if (m < 0) {
-                               fprintf(stderr,
+                               lwsl_ext(
                                        "Extension '%s' failed to handle payload!",
                                                wsi->active_extensions[n]->name);
                                return -1;
@@ -1346,7 +1344,7 @@ already_done:
                wsi->rx_user_buffer_head = 0;
                break;
        default:
-               fprintf(stderr, "client rx illegal state\n");
+               lwsl_err("client rx illegal state\n");
                return 1;
        }
 
@@ -1354,7 +1352,7 @@ already_done:
 
 illegal_ctl_length:
 
-       fprintf(stderr, "Control frame asking for "
+       lwsl_warn("Control frame asking for "
                                "extended length is illegal\n");
        /* kill the connection */
        return -1;
@@ -1369,10 +1367,10 @@ int libwebsocket_interpret_incoming_packet(struct libwebsocket *wsi,
        size_t n;
 
 #ifdef DEBUG
-       fprintf(stderr, "received %d byte packet\n", (int)len);
+       lwsl_parser("received %d byte packet\n", (int)len);
        for (n = 0; n < len; n++)
-               fprintf(stderr, "%02X ", buf[n]);
-       fprintf(stderr, "\n");
+               lwsl_parser("%02X ", buf[n]);
+       lwsl_parser("\n");
 #endif
 
        /* let the rx protocol state machine have as much as it needs */
@@ -1397,7 +1395,7 @@ libwebsocket_0405_frame_mask_generate(struct libwebsocket *wsi)
        n = libwebsockets_get_random(wsi->protocol->owning_server,
                                                wsi->frame_masking_nonce_04, 4);
        if (n != 4) {
-               fprintf(stderr, "Unable to read from random device %s %d\n",
+               lwsl_parser("Unable to read from random device %s %d\n",
                                                     SYSTEM_RANDOM_FILEPATH, n);
                return 1;
        }
@@ -1432,32 +1430,32 @@ void lws_stderr_hexdump(unsigned char *buf, size_t len)
        int m;
        int start;
 
-       fprintf(stderr, "\n");
+       lwsl_parser("\n");
 
        for (n = 0; n < len;) {
                start = n;
 
-               fprintf(stderr, "%04X: ", start);
+               lwsl_debug("%04X: ", start);
 
                for (m = 0; m < 16 && n < len; m++)
-                       fprintf(stderr, "%02X ", buf[n++]);
+                       lwsl_debug("%02X ", buf[n++]);
                while (m++ < 16)
-                       fprintf(stderr, "   ");
+                       lwsl_debug("   ");
 
-               fprintf(stderr, "   ");
+               lwsl_debug("   ");
 
                for (m = 0; m < 16 && (start + m) < len; m++) {
                        if (buf[start + m] >= ' ' && buf[start + m] <= 127)
-                               fprintf(stderr, "%c", buf[start + m]);
+                               lwsl_debug("%c", buf[start + m]);
                        else
-                               fprintf(stderr, ".");
+                               lwsl_debug(".");
                }
                while (m++ < 16)
-                       fprintf(stderr, " ");
+                       lwsl_debug(" ");
 
-               fprintf(stderr, "\n");
+               lwsl_debug("\n");
        }
-       fprintf(stderr, "\n");
+       lwsl_debug("\n");
 }
 
 int lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len)
@@ -1480,24 +1478,24 @@ int lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len)
                                LWS_EXT_CALLBACK_PACKET_TX_DO_SEND,
                                     wsi->active_extensions_user[n], &buf, len);
                if (m < 0) {
-                       fprintf(stderr, "Extension reports fatal error\n");
+                       lwsl_ext("Extension reports fatal error\n");
                        return -1;
                }
                if (m) /* handled */ {
-/*                     fprintf(stderr, "ext sent it\n"); */
+/*                     lwsl_ext("ext sent it\n"); */
                        return 0;
                }
        }
 
        if (!wsi->sock)
-               fprintf(stderr, "** error 0 sock but expected to send\n");
+               lwsl_warn("** error 0 sock but expected to send\n");
 
        /*
         * nope, send it on the socket directly
         */
 
 #if 0
-       fprintf(stderr, "  TX: ");
+       lwsl_debug("  TX: ");
        lws_stderr_hexdump(buf, len);
 #endif
 
@@ -1505,16 +1503,14 @@ int lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len)
        if (wsi->ssl) {
                n = SSL_write(wsi->ssl, buf, len);
                if (n < 0) {
-                       fprintf(stderr,
-                                  "ERROR writing to socket\n");
+                       lwsl_debug("ERROR writing to socket\n");
                        return -1;
                }
        } else {
 #endif
                n = send(wsi->sock, buf, len, MSG_NOSIGNAL);
                if (n < 0) {
-                       fprintf(stderr,
-                                  "ERROR writing to socket\n");
+                       lwsl_debug("ERROR writing to socket\n");
                        return -1;
                }
 #ifdef LWS_OPENSSL_SUPPORT
@@ -1556,7 +1552,7 @@ lws_issue_raw_ext_access(struct libwebsocket *wsi,
                                        LWS_EXT_CALLBACK_PACKET_TX_PRESEND,
                                   wsi->active_extensions_user[n], &eff_buf, 0);
                        if (m < 0) {
-                               fprintf(stderr, "Extension: fatal error\n");
+                               lwsl_ext("Extension: fatal error\n");
                                return -1;
                        }
                        if (m)
@@ -1574,7 +1570,7 @@ lws_issue_raw_ext_access(struct libwebsocket *wsi,
                                                            eff_buf.token_len))
                                return -1;
 
-               _debug("written %d bytes to client\n", eff_buf.token_len);
+               lwsl_parser("written %d bytes to client\n", eff_buf.token_len);
 
                /* no extension has more to spill */
 
@@ -1594,7 +1590,7 @@ lws_issue_raw_ext_access(struct libwebsocket *wsi,
                        /* no we could add more */
                        continue;
 
-               debug("choked\n");
+               lwsl_debug("choked\n");
 
                /*
                 * Yes, he's choked.  Don't spill the rest now get a callback
@@ -1649,7 +1645,7 @@ int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
        int m;
 
        if (len == 0 && protocol != LWS_WRITE_CLOSE) {
-               fprintf(stderr, "zero length libwebsocket_write attempt\n");
+               lwsl_warn("zero length libwebsocket_write attempt\n");
                return 0;
        }
 
@@ -1768,13 +1764,13 @@ int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
                                switch (wsi->mode) {
                                case LWS_CONNMODE_WS_SERVING:
                                        /*
-                                       fprintf(stderr, "LWS_WRITE_CLOSE S\n");
+                                       lwsl_debug("LWS_WRITE_CLOSE S\n");
                                        */
                                        buf[0] = 'S';
                                        break;
                                case LWS_CONNMODE_WS_CLIENT:
                                        /*
-                                       fprintf(stderr, "LWS_WRITE_CLOSE C\n");
+                                       lwsl_debug("LWS_WRITE_CLOSE C\n");
                                        */
                                        buf[0] = 'C';
                                        break;
@@ -1813,7 +1809,7 @@ int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
                                n = LWS_WS_OPCODE_07__PONG;
                        break;
                default:
-                       fprintf(stderr, "libwebsocket_write: unknown write "
+                       lwsl_warn("libwebsocket_write: unknown write "
                                                         "opcode / protocol\n");
                        return -1;
                }
@@ -1873,7 +1869,7 @@ int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
                                                wsi->xor_mask != xor_no_mask) {
 
                        if (libwebsocket_0405_frame_mask_generate(wsi)) {
-                               fprintf(stderr, "libwebsocket_write: "
+                               lwsl_err("libwebsocket_write: "
                                              "frame mask generation failed\n");
                                return 1;
                        }
@@ -1932,11 +1928,11 @@ int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
 send_raw:
 
 #if 0
-       fprintf(stderr, "send %ld: ", len + post);
+       lwsl_debug("send %ld: ", len + post);
        for (n = -pre; n < ((int)len + post); n++)
-               fprintf(stderr, "%02X ", buf[n]);
+               lwsl_debug("%02X ", buf[n]);
 
-       fprintf(stderr, "\n");
+       lwsl_debug("\n");
 #endif
 
        if (protocol == LWS_WRITE_HTTP) {
index 1139f7f..2cc0358 100644 (file)
 #include <openssl/sha.h>
 #endif
 
-
 #include "libwebsockets.h"
 
-#if 0
-#define _DEBUG
-#endif
+extern void _lws_log(int filter, const char *format, ...);
 
+/* warn and log are always compiled in */
+#define lwsl_warn(...) _lws_log(LLL_WARN, __VA_ARGS__)
+#define lwsl_err(...) _lws_log(LLL_ERR, __VA_ARGS__)
+
+/*
+ *  weaker logging can be deselected at configure time using disable_debug
+ *  that gets rid of the overhead of checking while keeping _warn and _err
+ *  active
+ */
 #ifdef _DEBUG
-#ifdef WIN32
-#define _debug(...) lws_log(LWS_LOG_DEBUG, __VA_ARGS__)
-#else
-static inline
+#define lwsl_info(...) _lws_log(LLL_INFO, __VA_ARGS__)
+#define lwsl_debug(...) _lws_log(LLL_DEBUG, __VA_ARGS__)
+#define lwsl_parser(...) _lws_log(LLL_PARSER, __VA_ARGS__)
+#define lwsl_header(...)  _lws_log(LLL_HEADER, __VA_ARGS__)
+#define lwsl_ext(...)  _lws_log(LLL_HEADER, __VA_ARGS__)
+#define lwsl_client(...) _lws_log(LLL_CLIENT, __VA_ARGS__)
+#else /* no debug */
+#define lwsl_info(...)
+#define lwsl_debug(...)
+#define lwsl_parser(...)
+#define lwsl_header(...)
+#define lwsl_ext(...)
+#define lwsl_client(...)
 #endif
-void debug(const char *format, ...)
-{
-       va_list ap;
-       va_start(ap, format); vfprintf(stderr, format, ap); va_end(ap);
-}
-#else
-#ifdef WIN32
-#define _debug(...)
-#else
-static inline
-void _debug(const char *format, ...)
-{
-}
-#endif
-#endif
-
 
 /*
  * Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag,
index 5f245bb..b41b4c7 100644 (file)
@@ -350,6 +350,21 @@ having to take any care about data visibility between the processes, it'll
 "just work".
 </blockquote>
 <hr>
+<h2>lws_set_log_level - Set the logging bitfield</h2>
+<i>void</i>
+<b>lws_set_log_level</b>
+(<i>int</i> <b>level</b>)
+<h3>Arguments</h3>
+<dl>
+<dt><b>level</b>
+<dd>OR together the LLL_ debug contexts you want output from
+</dl>
+<h3>Description</h3>
+<blockquote>
+<p>
+defaults to err and warn contexts enabled
+</blockquote>
+<hr>
 <h2>libwebsocket_write - Apply protocol then write data to client</h2>
 <i>int</i>
 <b>libwebsocket_write</b>