3 * Web service library with GLib integration
5 * Copyright (C) 2009-2013 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
33 #include <sys/socket.h>
34 #include <sys/sendfile.h>
36 #include <arpa/inet.h>
39 #include <netinet/tcp.h>
42 #include "giognutls.h"
46 #define DEFAULT_BUFFER_SIZE 2048
48 #define SESSION_FLAG_USE_TLS (1 << 0)
73 struct addrinfo *addr;
77 GIOChannel *transport_channel;
78 guint transport_watch;
85 guint8 *receive_buffer;
88 GString *current_header;
94 enum chunk_state chunck_state;
101 GWebResultFunc result_func;
102 GWebRouteFunc route_func;
103 GWebInputFunc input_func;
124 char *user_agent_profile;
126 bool close_connection;
128 GWebDebugFunc debug_func;
132 #define debug(web, format, arg...) \
133 _debug(web, __FILE__, __func__, format, ## arg)
135 static void _debug(GWeb *web, const char *file, const char *caller,
136 const char *format, ...)
142 if (!web->debug_func)
145 va_start(ap, format);
147 if ((len = snprintf(str, sizeof(str), "%s:%s() web %p ",
148 file, caller, web)) > 0) {
149 if (vsnprintf(str + len, sizeof(str) - len, format, ap) > 0)
150 web->debug_func(str, web->debug_data);
156 static void free_session(struct web_session *session)
163 g_free(session->request);
167 if (session->address_action > 0)
168 g_source_remove(session->address_action);
170 if (session->resolv_action > 0)
171 g_resolv_cancel_lookup(web->resolv, session->resolv_action);
173 if (session->transport_watch > 0)
174 g_source_remove(session->transport_watch);
176 if (session->send_watch > 0)
177 g_source_remove(session->send_watch);
179 if (session->transport_channel)
180 g_io_channel_unref(session->transport_channel);
182 g_free(session->result.last_key);
184 if (session->result.headers)
185 g_hash_table_destroy(session->result.headers);
187 if (session->send_buffer)
188 g_string_free(session->send_buffer, TRUE);
190 if (session->current_header)
191 g_string_free(session->current_header, TRUE);
193 g_free(session->receive_buffer);
195 g_free(session->content_type);
197 g_free(session->host);
198 g_free(session->address);
200 freeaddrinfo(session->addr);
205 static void flush_sessions(GWeb *web)
209 for (list = g_list_first(web->session_list);
210 list; list = g_list_next(list))
211 free_session(list->data);
213 g_list_free(web->session_list);
214 web->session_list = NULL;
217 GWeb *g_web_new(int index)
224 web = g_try_new0(GWeb, 1);
230 web->next_query_id = 1;
232 web->family = AF_UNSPEC;
235 web->session_list = NULL;
237 web->resolv = g_resolv_new(index);
243 web->accept_option = g_strdup("*/*");
244 web->user_agent = g_strdup_printf("GWeb/%s", VERSION);
245 web->close_connection = false;
250 GWeb *g_web_ref(GWeb *web)
255 __sync_fetch_and_add(&web->ref_count, 1);
260 void g_web_unref(GWeb *web)
265 if (__sync_fetch_and_sub(&web->ref_count, 1) != 1)
270 g_resolv_unref(web->resolv);
274 g_free(web->accept_option);
275 g_free(web->user_agent);
276 g_free(web->user_agent_profile);
277 g_free(web->http_version);
282 bool g_web_supports_tls(void)
284 return g_io_channel_supports_tls();
287 void g_web_set_debug(GWeb *web, GWebDebugFunc func, gpointer user_data)
292 web->debug_func = func;
293 web->debug_data = user_data;
295 g_resolv_set_debug(web->resolv, func, user_data);
298 bool g_web_set_proxy(GWeb *web, const char *proxy)
307 debug(web, "clearing proxy");
309 web->proxy = g_strdup(proxy);
310 debug(web, "setting proxy %s", web->proxy);
316 bool g_web_set_address_family(GWeb *web, int family)
321 if (family != AF_UNSPEC && family != AF_INET && family != AF_INET6)
324 web->family = family;
326 g_resolv_set_address_family(web->resolv, family);
331 bool g_web_add_nameserver(GWeb *web, const char *address)
336 g_resolv_add_nameserver(web->resolv, address, 53, 0);
341 static bool set_accept_option(GWeb *web, const char *format, va_list args)
343 g_free(web->accept_option);
346 web->accept_option = NULL;
347 debug(web, "clearing accept option");
349 web->accept_option = g_strdup_vprintf(format, args);
350 debug(web, "setting accept %s", web->accept_option);
356 bool g_web_set_accept(GWeb *web, const char *format, ...)
364 va_start(args, format);
365 result = set_accept_option(web, format, args);
371 static bool set_user_agent(GWeb *web, const char *format, va_list args)
373 g_free(web->user_agent);
376 web->user_agent = NULL;
377 debug(web, "clearing user agent");
379 web->user_agent = g_strdup_vprintf(format, args);
380 debug(web, "setting user agent %s", web->user_agent);
386 bool g_web_set_user_agent(GWeb *web, const char *format, ...)
394 va_start(args, format);
395 result = set_user_agent(web, format, args);
401 bool g_web_set_ua_profile(GWeb *web, const char *profile)
406 g_free(web->user_agent_profile);
408 web->user_agent_profile = g_strdup(profile);
409 debug(web, "setting user agent profile %s", web->user_agent);
414 bool g_web_set_http_version(GWeb *web, const char *version)
419 g_free(web->http_version);
422 web->http_version = NULL;
423 debug(web, "clearing HTTP version");
425 web->http_version = g_strdup(version);
426 debug(web, "setting HTTP version %s", web->http_version);
432 void g_web_set_close_connection(GWeb *web, bool enabled)
437 web->close_connection = enabled;
440 bool g_web_get_close_connection(GWeb *web)
445 return web->close_connection;
448 static inline void call_result_func(struct web_session *session, guint16 status)
451 if (!session->result_func)
455 session->result.status = status;
457 session->result_func(&session->result, session->user_data);
461 static inline void call_route_func(struct web_session *session)
463 if (session->route_func)
464 session->route_func(session->address, session->addr->ai_family,
465 session->web->index, session->user_data);
468 static bool process_send_buffer(struct web_session *session)
471 gsize count, bytes_written;
477 buf = session->send_buffer;
481 if (session->request_started &&
482 !session->more_data &&
484 session->body_done = true;
489 status = g_io_channel_write_chars(session->transport_channel,
490 buf->str, count, &bytes_written, NULL);
492 debug(session->web, "status %u bytes to write %zu bytes written %zu",
493 status, count, bytes_written);
495 if (status != G_IO_STATUS_NORMAL && status != G_IO_STATUS_AGAIN)
498 g_string_erase(buf, 0, bytes_written);
503 static bool process_send_file(struct web_session *session)
509 if (session->fd == -1)
512 if (!session->request_started || session->more_data)
515 sk = g_io_channel_unix_get_fd(session->transport_channel);
519 offset = session->offset;
521 bytes_sent = sendfile(sk, session->fd, &offset, session->length);
523 debug(session->web, "errno: %d, bytes to send %zu / bytes sent %zu",
524 errno, session->length, bytes_sent);
526 if (bytes_sent < 0 && errno != EAGAIN)
529 session->offset = offset;
530 session->length -= bytes_sent;
532 if (session->length == 0) {
533 session->body_done = true;
540 static void process_next_chunk(struct web_session *session)
542 GString *buf = session->send_buffer;
546 if (!session->input_func) {
547 session->more_data = false;
551 session->more_data = session->input_func(&body, &length,
555 g_string_append_printf(buf, "%zx\r\n", length);
556 g_string_append_len(buf, (char *) body, length);
557 g_string_append(buf, "\r\n");
560 if (!session->more_data)
561 g_string_append(buf, "0\r\n\r\n");
564 static void start_request(struct web_session *session)
566 GString *buf = session->send_buffer;
571 debug(session->web, "request %s from %s",
572 session->request, session->host);
574 g_string_truncate(buf, 0);
576 if (!session->web->http_version)
579 version = session->web->http_version;
581 if (!session->content_type)
582 g_string_append_printf(buf, "GET %s HTTP/%s\r\n",
583 session->request, version);
585 g_string_append_printf(buf, "POST %s HTTP/%s\r\n",
586 session->request, version);
588 g_string_append_printf(buf, "Host: %s\r\n", session->host);
590 if (session->web->user_agent)
591 g_string_append_printf(buf, "User-Agent: %s\r\n",
592 session->web->user_agent);
594 if (session->web->user_agent_profile) {
595 g_string_append_printf(buf, "x-wap-profile: %s\r\n",
596 session->web->user_agent_profile);
599 if (session->web->accept_option)
600 g_string_append_printf(buf, "Accept: %s\r\n",
601 session->web->accept_option);
603 if (session->content_type) {
604 g_string_append_printf(buf, "Content-Type: %s\r\n",
605 session->content_type);
606 if (!session->input_func) {
607 session->more_data = false;
608 length = session->length;
610 session->more_data = session->input_func(&body, &length,
612 if (!session->more_data)
613 g_string_append_printf(buf, "Content-Length: %zu\r\n",
616 g_string_append(buf, "Transfer-Encoding: chunked\r\n");
619 if (session->web->close_connection)
620 g_string_append(buf, "Connection: close\r\n");
622 g_string_append(buf, "\r\n");
624 if (session->content_type && length > 0) {
625 if (session->more_data) {
626 g_string_append_printf(buf, "%zx\r\n", length);
627 g_string_append_len(buf, (char *) body, length);
628 g_string_append(buf, "\r\n");
629 } else if (session->fd == -1)
630 g_string_append_len(buf, (char *) body, length);
634 static gboolean send_data(GIOChannel *channel, GIOCondition cond,
637 struct web_session *session = user_data;
639 if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
640 session->send_watch = 0;
644 if (process_send_buffer(session))
647 if (process_send_file(session))
650 if (!session->request_started) {
651 session->request_started = true;
652 start_request(session);
653 } else if (session->more_data)
654 process_next_chunk(session);
656 process_send_buffer(session);
658 if (session->body_done) {
659 session->send_watch = 0;
666 static int decode_chunked(struct web_session *session,
667 const guint8 *buf, gsize len)
669 const guint8 *ptr = buf;
677 switch (session->chunck_state) {
679 pos = memchr(ptr, '\n', len);
681 g_string_append_len(session->current_header,
687 if (count < 1 || ptr[count - 1] != '\r')
690 g_string_append_len(session->current_header,
691 (gchar *) ptr, count);
696 str = session->current_header->str;
698 counter = strtoul(str, NULL, 16);
699 if ((counter == 0 && errno == EINVAL) ||
700 counter == ULONG_MAX)
703 session->chunk_size = counter;
704 session->chunk_left = counter;
706 session->chunck_state = CHUNK_DATA;
713 session->chunck_state = CHUNK_N_BODY;
720 session->chunck_state = CHUNK_SIZE;
723 if (session->chunk_size == 0) {
724 debug(session->web, "Download Done in chunk");
725 g_string_truncate(session->current_header, 0);
729 if (session->chunk_left <= len) {
730 session->result.buffer = ptr;
731 session->result.length = session->chunk_left;
732 call_result_func(session, 0);
734 len -= session->chunk_left;
735 ptr += session->chunk_left;
737 session->total_len += session->chunk_left;
738 session->chunk_left = 0;
740 g_string_truncate(session->current_header, 0);
741 session->chunck_state = CHUNK_R_BODY;
745 session->result.buffer = ptr;
746 session->result.length = len;
747 call_result_func(session, 0);
749 session->chunk_left -= len;
750 session->total_len += len;
761 static int handle_body(struct web_session *session,
762 const guint8 *buf, gsize len)
766 debug(session->web, "[body] length %zu", len);
768 if (!session->result.use_chunk) {
770 session->result.buffer = buf;
771 session->result.length = len;
772 call_result_func(session, 0);
777 err = decode_chunked(session, buf, len);
779 debug(session->web, "Error in chunk decode %d", err);
781 session->result.buffer = NULL;
782 session->result.length = 0;
783 call_result_func(session, 400);
789 static void handle_multi_line(struct web_session *session)
795 if (!session->result.last_key)
798 str = session->current_header->str;
800 if (str[0] != ' ' && str[0] != '\t')
803 while (str[0] == ' ' || str[0] == '\t')
806 count = str - session->current_header->str;
808 g_string_erase(session->current_header, 0, count);
809 g_string_insert_c(session->current_header, 0, ' ');
812 value = g_hash_table_lookup(session->result.headers,
813 session->result.last_key);
815 g_string_insert(session->current_header, 0, value);
817 str = session->current_header->str;
819 g_hash_table_replace(session->result.headers,
820 g_strdup(session->result.last_key),
825 static void add_header_field(struct web_session *session)
833 str = session->current_header->str;
835 pos = memchr(str, ':', session->current_header->len);
842 /* remove preceding white spaces */
846 count = (char *) pos - str;
848 g_string_erase(session->current_header, 0, count);
850 value = g_hash_table_lookup(session->result.headers, key);
852 g_string_insert_c(session->current_header, 0, ' ');
853 g_string_insert_c(session->current_header, 0, ';');
855 g_string_insert(session->current_header, 0, value);
858 str = session->current_header->str;
859 g_hash_table_replace(session->result.headers, key,
862 g_free(session->result.last_key);
863 session->result.last_key = g_strdup(key);
867 static gboolean received_data(GIOChannel *channel, GIOCondition cond,
870 struct web_session *session = user_data;
871 guint8 *ptr = session->receive_buffer;
875 if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
876 session->transport_watch = 0;
877 session->result.buffer = NULL;
878 session->result.length = 0;
879 call_result_func(session, 400);
883 status = g_io_channel_read_chars(channel,
884 (gchar *) session->receive_buffer,
885 session->receive_space - 1, &bytes_read, NULL);
887 debug(session->web, "bytes read %zu", bytes_read);
889 if (status != G_IO_STATUS_NORMAL && status != G_IO_STATUS_AGAIN) {
890 session->transport_watch = 0;
891 session->result.buffer = NULL;
892 session->result.length = 0;
893 call_result_func(session, 0);
897 session->receive_buffer[bytes_read] = '\0';
899 if (session->header_done) {
900 if (handle_body(session, session->receive_buffer,
902 session->transport_watch = 0;
908 while (bytes_read > 0) {
913 pos = memchr(ptr, '\n', bytes_read);
915 g_string_append_len(session->current_header,
916 (gchar *) ptr, bytes_read);
921 count = strlen((char *) ptr);
922 if (count > 0 && ptr[count - 1] == '\r') {
927 g_string_append_len(session->current_header,
928 (gchar *) ptr, count);
930 bytes_read -= count + 1;
936 if (session->current_header->len == 0) {
939 session->header_done = true;
941 val = g_hash_table_lookup(session->result.headers,
942 "Transfer-Encoding");
944 val = g_strrstr(val, "chunked");
946 session->result.use_chunk = true;
948 session->chunck_state = CHUNK_SIZE;
949 session->chunk_left = 0;
950 session->total_len = 0;
954 if (handle_body(session, ptr, bytes_read) < 0) {
955 session->transport_watch = 0;
961 str = session->current_header->str;
963 if (session->result.status == 0) {
966 if (sscanf(str, "HTTP/%*s %u %*s", &code) == 1)
967 session->result.status = code;
970 debug(session->web, "[header] %s", str);
972 /* handle multi-line header */
973 if (str[0] == ' ' || str[0] == '\t')
974 handle_multi_line(session);
976 add_header_field(session);
978 g_string_truncate(session->current_header, 0);
984 static int bind_to_address(int sk, const char *interface, int family)
986 struct ifaddrs *ifaddr_list, *ifaddr;
989 if (getifaddrs(&ifaddr_list) < 0)
992 for (ifaddr = ifaddr_list; ifaddr; ifaddr = ifaddr->ifa_next) {
993 if (g_strcmp0(ifaddr->ifa_name, interface) != 0)
996 if (!ifaddr->ifa_addr ||
997 ifaddr->ifa_addr->sa_family != family)
1002 size = sizeof(struct sockaddr_in);
1005 size = sizeof(struct sockaddr_in6);
1011 err = bind(sk, (struct sockaddr *) ifaddr->ifa_addr, size);
1015 freeifaddrs(ifaddr_list);
1019 static inline int bind_socket(int sk, int index, int family)
1021 char interface[IF_NAMESIZE];
1024 if (!if_indextoname(index, interface))
1027 err = setsockopt(sk, SOL_SOCKET, SO_BINDTODEVICE,
1028 interface, IF_NAMESIZE);
1030 err = bind_to_address(sk, interface, family);
1035 static int connect_session_transport(struct web_session *session)
1040 sk = socket(session->addr->ai_family, SOCK_STREAM | SOCK_CLOEXEC,
1045 if (session->web->index > 0) {
1046 if (bind_socket(sk, session->web->index,
1047 session->addr->ai_family) < 0) {
1048 debug(session->web, "bind() %s", strerror(errno));
1054 if (session->flags & SESSION_FLAG_USE_TLS) {
1055 debug(session->web, "using TLS encryption");
1056 session->transport_channel = g_io_channel_gnutls_new(sk);
1058 debug(session->web, "no encryption");
1059 session->transport_channel = g_io_channel_unix_new(sk);
1062 if (!session->transport_channel) {
1063 debug(session->web, "channel missing");
1068 flags = g_io_channel_get_flags(session->transport_channel);
1069 g_io_channel_set_flags(session->transport_channel,
1070 flags | G_IO_FLAG_NONBLOCK, NULL);
1072 g_io_channel_set_encoding(session->transport_channel, NULL, NULL);
1073 g_io_channel_set_buffered(session->transport_channel, FALSE);
1075 g_io_channel_set_close_on_unref(session->transport_channel, TRUE);
1077 if (connect(sk, session->addr->ai_addr,
1078 session->addr->ai_addrlen) < 0) {
1079 if (errno != EINPROGRESS) {
1080 debug(session->web, "connect() %s", strerror(errno));
1085 session->transport_watch = g_io_add_watch(session->transport_channel,
1086 G_IO_IN | G_IO_HUP | G_IO_NVAL | G_IO_ERR,
1087 received_data, session);
1089 session->send_watch = g_io_add_watch(session->transport_channel,
1090 G_IO_OUT | G_IO_HUP | G_IO_NVAL | G_IO_ERR,
1091 send_data, session);
1096 static int create_transport(struct web_session *session)
1100 err = connect_session_transport(session);
1104 debug(session->web, "creating session %s:%u",
1105 session->address, session->port);
1110 static int parse_url(struct web_session *session,
1111 const char *url, const char *proxy)
1113 char *scheme, *host, *port, *path;
1115 scheme = g_strdup(url);
1119 host = strstr(scheme, "://");
1124 if (strcasecmp(scheme, "https") == 0) {
1125 session->port = 443;
1126 session->flags |= SESSION_FLAG_USE_TLS;
1127 } else if (strcasecmp(scheme, "http") == 0) {
1138 path = strchr(host, '/');
1143 session->request = g_strdup_printf("/%s", path ? path : "");
1145 session->request = g_strdup(url);
1147 port = strrchr(host, ':');
1150 int tmp = strtol(port + 1, &end, 10);
1154 session->port = tmp;
1158 session->host = g_strdup(host);
1160 session->host = g_strdup_printf("%s:%u", host, tmp);
1162 session->host = g_strdup(host);
1169 scheme = g_strdup(proxy);
1173 host = strstr(proxy, "://");
1178 if (strcasecmp(scheme, "http") != 0) {
1185 path = strchr(host, '/');
1189 port = strrchr(host, ':');
1192 int tmp = strtol(port + 1, &end, 10);
1196 session->port = tmp;
1200 session->address = g_strdup(host);
1207 static void handle_resolved_address(struct web_session *session)
1209 struct addrinfo hints;
1213 debug(session->web, "address %s", session->address);
1215 memset(&hints, 0, sizeof(struct addrinfo));
1216 hints.ai_flags = AI_NUMERICHOST;
1217 hints.ai_family = session->web->family;
1219 if (session->addr) {
1220 freeaddrinfo(session->addr);
1221 session->addr = NULL;
1224 port = g_strdup_printf("%u", session->port);
1225 ret = getaddrinfo(session->address, port, &hints, &session->addr);
1227 if (ret != 0 || !session->addr) {
1228 call_result_func(session, 400);
1232 call_route_func(session);
1234 if (create_transport(session) < 0) {
1235 call_result_func(session, 409);
1240 static gboolean already_resolved(gpointer data)
1242 struct web_session *session = data;
1244 session->address_action = 0;
1245 handle_resolved_address(session);
1250 static void resolv_result(GResolvResultStatus status,
1251 char **results, gpointer user_data)
1253 struct web_session *session = user_data;
1255 if (!results || !results[0]) {
1256 call_result_func(session, 404);
1260 g_free(session->address);
1261 session->address = g_strdup(results[0]);
1263 handle_resolved_address(session);
1266 static bool is_ip_address(const char *host)
1268 struct addrinfo hints;
1269 struct addrinfo *addr;
1272 memset(&hints, 0, sizeof(struct addrinfo));
1273 hints.ai_flags = AI_NUMERICHOST;
1276 result = getaddrinfo(host, NULL, &hints, &addr);
1283 static guint do_request(GWeb *web, const char *url,
1284 const char *type, GWebInputFunc input,
1285 int fd, gsize length, GWebResultFunc func,
1286 GWebRouteFunc route, gpointer user_data)
1288 struct web_session *session;
1294 debug(web, "request %s", url);
1296 session = g_try_new0(struct web_session, 1);
1300 if (parse_url(session, url, web->proxy) < 0) {
1301 free_session(session);
1305 debug(web, "proxy host %s", session->address);
1306 debug(web, "port %u", session->port);
1307 debug(web, "host %s", session->host);
1308 debug(web, "flags %lu", session->flags);
1309 debug(web, "request %s", session->request);
1312 session->content_type = g_strdup(type);
1314 debug(web, "content-type %s", session->content_type);
1319 session->result_func = func;
1320 session->route_func = route;
1321 session->input_func = input;
1323 session->length = length;
1324 session->offset = 0;
1325 session->user_data = user_data;
1327 session->receive_buffer = g_try_malloc(DEFAULT_BUFFER_SIZE);
1328 if (!session->receive_buffer) {
1329 free_session(session);
1333 session->result.headers = g_hash_table_new_full(g_str_hash, g_str_equal,
1335 if (!session->result.headers) {
1336 free_session(session);
1340 session->receive_space = DEFAULT_BUFFER_SIZE;
1341 session->send_buffer = g_string_sized_new(0);
1342 session->current_header = g_string_sized_new(0);
1343 session->header_done = false;
1344 session->body_done = false;
1346 host = session->address ? session->address : session->host;
1347 if (is_ip_address(host)) {
1348 if (session->address != host) {
1349 g_free(session->address);
1350 session->address = g_strdup(host);
1352 session->address_action = g_idle_add(already_resolved, session);
1354 session->resolv_action = g_resolv_lookup_hostname(web->resolv,
1355 host, resolv_result, session);
1356 if (session->resolv_action == 0) {
1357 free_session(session);
1362 web->session_list = g_list_append(web->session_list, session);
1364 return web->next_query_id++;
1367 guint g_web_request_get(GWeb *web, const char *url, GWebResultFunc func,
1368 GWebRouteFunc route, gpointer user_data)
1370 return do_request(web, url, NULL, NULL, -1, 0, func, route, user_data);
1373 guint g_web_request_post(GWeb *web, const char *url,
1374 const char *type, GWebInputFunc input,
1375 GWebResultFunc func, gpointer user_data)
1377 return do_request(web, url, type, input, -1, 0, func, NULL, user_data);
1380 guint g_web_request_post_file(GWeb *web, const char *url,
1381 const char *type, const char *file,
1382 GWebResultFunc func, gpointer user_data)
1388 if (stat(file, &st) < 0)
1391 fd = open(file, O_RDONLY);
1395 ret = do_request(web, url, type, NULL, fd, st.st_size, func, NULL,
1403 bool g_web_cancel_request(GWeb *web, guint id)
1411 guint16 g_web_result_get_status(GWebResult *result)
1416 return result->status;
1419 bool g_web_result_get_chunk(GWebResult *result,
1420 const guint8 **chunk, gsize *length)
1428 *chunk = result->buffer;
1431 *length = result->length;
1436 bool g_web_result_get_header(GWebResult *result,
1437 const char *header, const char **value)
1445 *value = g_hash_table_lookup(result->headers, header);
1453 struct _GWebParser {
1457 const char *token_str;
1462 GWebParserFunc func;
1466 GWebParser *g_web_parser_new(const char *begin, const char *end,
1467 GWebParserFunc func, gpointer user_data)
1474 parser = g_try_new0(GWebParser, 1);
1478 parser->ref_count = 1;
1480 parser->begin_token = g_strdup(begin);
1481 parser->end_token = g_strdup(end);
1482 parser->func = func;
1483 parser->user_data = user_data;
1485 parser->token_str = parser->begin_token;
1486 parser->token_len = strlen(parser->token_str);
1487 parser->token_pos = 0;
1489 parser->intoken = false;
1490 parser->content = g_string_sized_new(0);
1495 GWebParser *g_web_parser_ref(GWebParser *parser)
1500 __sync_fetch_and_add(&parser->ref_count, 1);
1505 void g_web_parser_unref(GWebParser *parser)
1510 if (__sync_fetch_and_sub(&parser->ref_count, 1) != 1)
1513 g_string_free(parser->content, TRUE);
1515 g_free(parser->begin_token);
1516 g_free(parser->end_token);
1520 void g_web_parser_feed_data(GWebParser *parser,
1521 const guint8 *data, gsize length)
1523 const guint8 *ptr = data;
1528 while (length > 0) {
1529 guint8 chr = parser->token_str[parser->token_pos];
1531 if (parser->token_pos == 0) {
1534 pos = memchr(ptr, chr, length);
1536 if (parser->intoken)
1537 g_string_append_len(parser->content,
1538 (gchar *) ptr, length);
1542 if (parser->intoken)
1543 g_string_append_len(parser->content,
1544 (gchar *) ptr, (pos - ptr) + 1);
1546 length -= (pos - ptr) + 1;
1549 parser->token_pos++;
1553 if (parser->intoken)
1554 g_string_append_c(parser->content, ptr[0]);
1556 if (ptr[0] != chr) {
1560 parser->token_pos = 0;
1567 parser->token_pos++;
1569 if (parser->token_pos == parser->token_len) {
1570 if (!parser->intoken) {
1571 g_string_append(parser->content,
1574 parser->intoken = true;
1575 parser->token_str = parser->end_token;
1576 parser->token_len = strlen(parser->end_token);
1577 parser->token_pos = 0;
1580 str = g_string_free(parser->content, FALSE);
1581 parser->content = g_string_sized_new(0);
1583 parser->func(str, parser->user_data);
1586 parser->intoken = false;
1587 parser->token_str = parser->begin_token;
1588 parser->token_len = strlen(parser->begin_token);
1589 parser->token_pos = 0;
1595 void g_web_parser_end_data(GWebParser *parser)