X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Flws-plat-unix.c;h=b9f317bb78fa6a3f9104849ff55edce859a947f0;hb=ce2e74e5e38ba8c03620946e947e86dad0b81a76;hp=720e3d09f385d1da487f094b04796c45d94dbb4d;hpb=62304764559231c956dd7855b5e6d1c6a25494a6;p=platform%2Fupstream%2Flibwebsockets.git diff --git a/lib/lws-plat-unix.c b/lib/lws-plat-unix.c index 720e3d0..b9f317b 100644 --- a/lib/lws-plat-unix.c +++ b/lib/lws-plat-unix.c @@ -3,6 +3,12 @@ #include #include +#ifdef LWS_WITH_PLUGINS +#include +#endif +#include + + /* * included from libwebsockets.c for unix builds */ @@ -14,21 +20,22 @@ unsigned long long time_in_microseconds(void) return ((unsigned long long)tv.tv_sec * 1000000LL) + tv.tv_usec; } -LWS_VISIBLE int lws_get_random(struct libwebsocket_context *context, - void *buf, int len) +LWS_VISIBLE int +lws_get_random(struct lws_context *context, void *buf, int len) { return read(context->fd_random, (char *)buf, len); } -LWS_VISIBLE int lws_send_pipe_choked(struct libwebsocket *wsi) +LWS_VISIBLE int +lws_send_pipe_choked(struct lws *wsi) { - struct libwebsocket_pollfd fds; + struct lws_pollfd fds; /* treat the fact we got a truncated send pending as if we're choked */ - if (wsi->truncated_send_len) + if (wsi->trunc_len) return 1; - fds.fd = wsi->sock; + fds.fd = wsi->desc.sockfd; fds.events = POLLOUT; fds.revents = 0; @@ -44,33 +51,32 @@ LWS_VISIBLE int lws_send_pipe_choked(struct libwebsocket *wsi) } LWS_VISIBLE int -lws_poll_listen_fd(struct libwebsocket_pollfd *fd) +lws_poll_listen_fd(struct lws_pollfd *fd) { return poll(fd, 1, 0); } -/* - * This is just used to interrupt poll waiting - * we don't have to do anything with it. - */ -static void lws_sigusr2(int sig) +LWS_VISIBLE void +lws_cancel_service_pt(struct lws *wsi) { + struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi]; + char buf = 0; + + if (write(pt->dummy_pipe_fds[1], &buf, sizeof(buf)) != 1) + lwsl_err("Cannot write to dummy pipe"); } -/** - * lws_cancel_service() - Cancel servicing of pending websocket activity - * @context: Websocket context - * - * This function let a call to lws_service() waiting for a timeout - * immediately return. - */ LWS_VISIBLE void -lws_cancel_service(struct libwebsocket_context *context) +lws_cancel_service(struct lws_context *context) { - char buf = 0; + struct lws_context_per_thread *pt = &context->pt[0]; + char buf = 0, m = context->count_threads; - if (write(context->dummy_pipe_fds[1], &buf, sizeof(buf)) != 1) - lwsl_err("Cannot write to dummy pipe"); + while (m--) { + if (write(pt->dummy_pipe_fds[1], &buf, sizeof(buf)) != 1) + lwsl_err("Cannot write to dummy pipe"); + pt++; + } } LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line) @@ -94,89 +100,91 @@ LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line) syslog(syslog_level, "%s", line); } -LWS_VISIBLE int -lws_plat_service(struct libwebsocket_context *context, int timeout_ms) +LWS_VISIBLE LWS_EXTERN int +_lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi) { - int n; - int m; + struct lws_context_per_thread *pt; + int n = -1, m, c; char buf; -#ifdef LWS_OPENSSL_SUPPORT - struct libwebsocket *wsi, *wsi_next; -#endif /* stay dead once we are dead */ - if (!context) + if (!context || !context->vhost_list) return 1; - lws_libev_run(context); + pt = &context->pt[tsi]; - context->service_tid = context->protocols[0].callback(context, NULL, - LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0); + lws_stats_atomic_bump(context, pt, LWSSTATS_C_SERVICE_ENTRY, 1); -#ifdef LWS_OPENSSL_SUPPORT - /* if we know we have non-network pending data, do not wait in poll */ - if (lws_ssl_anybody_has_buffered_read(context)) - timeout_ms = 0; -#endif - n = poll(context->fds, context->fds_count, timeout_ms); - context->service_tid = 0; + if (timeout_ms < 0) + goto faked_service; -#ifdef LWS_OPENSSL_SUPPORT - if (!lws_ssl_anybody_has_buffered_read(context) && n == 0) { -#else - if (n == 0) /* poll timeout */ { -#endif - lws_service_fd(context, NULL); - return 0; - } + lws_libev_run(context, tsi); + lws_libuv_run(context, tsi); + lws_libevent_run(context, tsi); - if (n < 0) { - if (LWS_ERRNO != LWS_EINTR) - return -1; - return 0; + if (!context->service_tid_detected) { + struct lws _lws; + + memset(&_lws, 0, sizeof(_lws)); + _lws.context = context; + + context->service_tid_detected = + context->vhost_list->protocols[0].callback( + &_lws, LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0); } + context->service_tid = context->service_tid_detected; -#ifdef LWS_OPENSSL_SUPPORT /* - * For all guys with buffered SSL read data already saved up, if they - * are not flowcontrolled, fake their POLLIN status so they'll get - * service to use up the buffered incoming data, even though their - * network socket may have nothing + * is there anybody with pending stuff that needs service forcing? */ - - wsi = context->pending_read_list; - while (wsi) { - wsi_next = wsi->pending_read_list_next; - context->fds[wsi->position_in_fds_table].revents |= - context->fds[wsi->position_in_fds_table].events & POLLIN; - if (context->fds[wsi->position_in_fds_table].revents & POLLIN) { - /* - * he's going to get serviced now, take him off the - * list of guys with buffered SSL. If he still has some - * at the end of the service, he'll get put back on the - * list then. - */ - lws_ssl_remove_wsi_from_buffered_list(context, wsi); - } - wsi = wsi_next; + if (!lws_service_adjust_timeout(context, 1, tsi)) { + /* -1 timeout means just do forced service */ + _lws_plat_service_tsi(context, -1, pt->tid); + /* still somebody left who wants forced service? */ + if (!lws_service_adjust_timeout(context, 1, pt->tid)) + /* yes... come back again quickly */ + timeout_ms = 0; } -#endif - /* any socket with events to service? */ + n = poll(pt->fds, pt->fds_count, timeout_ms); + +#ifdef LWS_OPENSSL_SUPPORT + if (!pt->rx_draining_ext_list && + !lws_ssl_anybody_has_buffered_read_tsi(context, tsi) && !n) { +#else + if (!pt->rx_draining_ext_list && !n) /* poll timeout */ { +#endif + lws_service_fd_tsi(context, NULL, tsi); + return 0; + } - for (n = 0; n < context->fds_count; n++) { +faked_service: + m = lws_service_flag_pending(context, tsi); + if (m) + c = -1; /* unknown limit */ + else + if (n < 0) { + if (LWS_ERRNO != LWS_EINTR) + return -1; + return 0; + } else + c = n; - if (!context->fds[n].revents) + /* any socket with events to service? */ + for (n = 0; n < pt->fds_count && c; n++) { + if (!pt->fds[n].revents) continue; - if (context->fds[n].fd == context->dummy_pipe_fds[0]) { - if (read(context->fds[n].fd, &buf, 1) != 1) + c--; + + if (pt->fds[n].fd == pt->dummy_pipe_fds[0]) { + if (read(pt->fds[n].fd, &buf, 1) != 1) lwsl_err("Cannot read from dummy pipe."); continue; } - m = lws_service_fd(context, &context->fds[n]); + m = lws_service_fd_tsi(context, &pt->fds[n], tsi); if (m < 0) return -1; /* if something closed, retry this slot */ @@ -188,25 +196,41 @@ lws_plat_service(struct libwebsocket_context *context, int timeout_ms) } LWS_VISIBLE int -lws_plat_set_socket_options(struct libwebsocket_context *context, int fd) +lws_plat_check_connection_error(struct lws *wsi) +{ + return 0; +} + +LWS_VISIBLE int +lws_plat_service(struct lws_context *context, int timeout_ms) +{ + return _lws_plat_service_tsi(context, timeout_ms, 0); +} + +LWS_VISIBLE int +lws_plat_set_socket_options(struct lws_vhost *vhost, int fd) { int optval = 1; socklen_t optlen = sizeof(optval); -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ +#if defined(__APPLE__) || \ + defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \ + defined(__NetBSD__) || \ defined(__OpenBSD__) struct protoent *tcp_proto; #endif - if (context->ka_time) { + if (vhost->ka_time) { /* enable keepalive on this socket */ optval = 1; if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, - (const void *)&optval, optlen) < 0) + (const void *)&optval, optlen) < 0) return 1; -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ - defined(__CYGWIN__) || defined(__OpenBSD__) +#if defined(__APPLE__) || \ + defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \ + defined(__NetBSD__) || \ + defined(__CYGWIN__) || defined(__OpenBSD__) || defined (__sun) /* * didn't find a way to set these per-socket, need to @@ -214,27 +238,32 @@ lws_plat_set_socket_options(struct libwebsocket_context *context, int fd) */ #else /* set the keepalive conditions we want on it too */ - optval = context->ka_time; + optval = vhost->ka_time; if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, - (const void *)&optval, optlen) < 0) + (const void *)&optval, optlen) < 0) return 1; - optval = context->ka_interval; + optval = vhost->ka_interval; if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, - (const void *)&optval, optlen) < 0) + (const void *)&optval, optlen) < 0) return 1; - optval = context->ka_probes; + optval = vhost->ka_probes; if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, - (const void *)&optval, optlen) < 0) + (const void *)&optval, optlen) < 0) return 1; #endif } /* Disable Nagle */ optval = 1; -#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__NetBSD__) && \ - !defined(__OpenBSD__) +#if defined (__sun) + if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (const void *)&optval, optlen) < 0) + return 1; +#elif !defined(__APPLE__) && \ + !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && \ + !defined(__NetBSD__) && \ + !defined(__OpenBSD__) if (setsockopt(fd, SOL_TCP, TCP_NODELAY, (const void *)&optval, optlen) < 0) return 1; #else @@ -253,6 +282,10 @@ lws_plat_set_socket_options(struct libwebsocket_context *context, int fd) LWS_VISIBLE void lws_plat_drop_app_privileges(struct lws_context_creation_info *info) { + if (info->gid != -1) + if (setgid(info->gid)) + lwsl_warn("setgid: %s\n", strerror(LWS_ERRNO)); + if (info->uid != -1) { struct passwd *p = getpwuid(info->uid); @@ -261,100 +294,215 @@ lws_plat_drop_app_privileges(struct lws_context_creation_info *info) if (setuid(info->uid)) lwsl_warn("setuid: %s\n", strerror(LWS_ERRNO)); else - lwsl_notice(" Set privs to user '%s'\n", p->pw_name); + lwsl_notice("Set privs to user '%s'\n", p->pw_name); } else lwsl_warn("getpwuid: unable to find uid %d", info->uid); } - if (info->gid != -1) - if (setgid(info->gid)) - lwsl_warn("setgid: %s\n", strerror(LWS_ERRNO)); +} + +#ifdef LWS_WITH_PLUGINS + +#if defined(LWS_USE_LIBUV) && UV_VERSION_MAJOR > 0 +/* libuv.c implements these in a cross-platform way */ + +#else + +static int filter(const struct dirent *ent) +{ + if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) + return 0; + + return 1; } LWS_VISIBLE int -lws_plat_init_lookup(struct libwebsocket_context *context) +lws_plat_plugins_init(struct lws_context * context, const char * const *d) { - context->lws_lookup = lws_zalloc(sizeof(struct libwebsocket *) * context->max_fds); - if (context->lws_lookup == NULL) { - lwsl_err( - "Unable to allocate lws_lookup array for %d connections\n", - context->max_fds); - return 1; + struct lws_plugin_capability lcaps; + struct lws_plugin *plugin; + lws_plugin_init_func initfunc; + struct dirent **namelist; + int n, i, m, ret = 0; + char path[256]; + void *l; + + lwsl_notice(" Plugins:\n"); + + while (d && *d) { + n = scandir(*d, &namelist, filter, alphasort); + if (n < 0) { + lwsl_err("Scandir on %s failed\n", *d); + return 1; + } + + for (i = 0; i < n; i++) { + if (strlen(namelist[i]->d_name) < 7) + goto inval; + + lwsl_notice(" %s\n", namelist[i]->d_name); + + lws_snprintf(path, sizeof(path) - 1, "%s/%s", *d, + namelist[i]->d_name); + l = dlopen(path, RTLD_NOW); + if (!l) { + lwsl_err("Error loading DSO: %s\n", dlerror()); + while (i++ < n) + free(namelist[i]); + goto bail; + } + /* we could open it, can we get his init function? */ + m = lws_snprintf(path, sizeof(path) - 1, "init_%s", + namelist[i]->d_name + 3 /* snip lib... */); + path[m - 3] = '\0'; /* snip the .so */ + initfunc = dlsym(l, path); + if (!initfunc) { + lwsl_err("Failed to get init on %s: %s", + namelist[i]->d_name, dlerror()); + dlclose(l); + } + lcaps.api_magic = LWS_PLUGIN_API_MAGIC; + m = initfunc(context, &lcaps); + if (m) { + lwsl_err("Initializing %s failed %d\n", + namelist[i]->d_name, m); + dlclose(l); + goto skip; + } + + plugin = lws_malloc(sizeof(*plugin)); + if (!plugin) { + lwsl_err("OOM\n"); + goto bail; + } + plugin->list = context->plugin_list; + context->plugin_list = plugin; + strncpy(plugin->name, namelist[i]->d_name, sizeof(plugin->name) - 1); + plugin->name[sizeof(plugin->name) - 1] = '\0'; + plugin->l = l; + plugin->caps = lcaps; + context->plugin_protocol_count += lcaps.count_protocols; + context->plugin_extension_count += lcaps.count_extensions; + + free(namelist[i]); + continue; + + skip: + dlclose(l); + inval: + free(namelist[i]); + } + free(namelist); + d++; } - return 0; +bail: + free(namelist); + + return ret; } LWS_VISIBLE int -lws_plat_init_fd_tables(struct libwebsocket_context *context) +lws_plat_plugins_destroy(struct lws_context * context) { - context->fd_random = open(SYSTEM_RANDOM_FILEPATH, O_RDONLY); - if (context->fd_random < 0) { - lwsl_err("Unable to open random device %s %d\n", - SYSTEM_RANDOM_FILEPATH, context->fd_random); - return 1; - } + struct lws_plugin *plugin = context->plugin_list, *p; + lws_plugin_destroy_func func; + char path[256]; + int m; - if (lws_libev_init_fd_table(context)) - /* libev handled it instead */ + if (!plugin) return 0; - if (pipe(context->dummy_pipe_fds)) { - lwsl_err("Unable to create pipe\n"); - return 1; + lwsl_notice("%s\n", __func__); + + while (plugin) { + p = plugin; + m = lws_snprintf(path, sizeof(path) - 1, "destroy_%s", plugin->name + 3); + path[m - 3] = '\0'; + func = dlsym(plugin->l, path); + if (!func) { + lwsl_err("Failed to get destroy on %s: %s", + plugin->name, dlerror()); + goto next; + } + m = func(context); + if (m) + lwsl_err("Initializing %s failed %d\n", + plugin->name, m); +next: + dlclose(p->l); + plugin = p->list; + p->list = NULL; + free(p); } - /* use the read end of pipe as first item */ - context->fds[0].fd = context->dummy_pipe_fds[0]; - context->fds[0].events = LWS_POLLIN; - context->fds[0].revents = 0; - context->fds_count = 1; + context->plugin_list = NULL; return 0; } -static void sigpipe_handler(int x) +#endif +#endif + + +#if 0 +static void +sigabrt_handler(int x) { + printf("%s\n", __func__); + //*(char *)0 = 0; } - +#endif LWS_VISIBLE int lws_plat_context_early_init(void) { - sigset_t mask; - - signal(SIGUSR2, lws_sigusr2); - sigemptyset(&mask); - sigaddset(&mask, SIGUSR2); - - sigprocmask(SIG_BLOCK, &mask, NULL); +#if !defined(LWS_AVOID_SIGPIPE_IGN) + signal(SIGPIPE, SIG_IGN); +#endif - signal(SIGPIPE, sigpipe_handler); +// signal(SIGABRT, sigabrt_handler); return 0; } LWS_VISIBLE void -lws_plat_context_early_destroy(struct libwebsocket_context *context) +lws_plat_context_early_destroy(struct lws_context *context) { } LWS_VISIBLE void -lws_plat_context_late_destroy(struct libwebsocket_context *context) +lws_plat_context_late_destroy(struct lws_context *context) { + struct lws_context_per_thread *pt = &context->pt[0]; + int m = context->count_threads; + +#ifdef LWS_WITH_PLUGINS + if (context->plugin_list) + lws_plat_plugins_destroy(context); +#endif + if (context->lws_lookup) lws_free(context->lws_lookup); - close(context->dummy_pipe_fds[0]); - close(context->dummy_pipe_fds[1]); - close(context->fd_random); + while (m--) { + if (pt->dummy_pipe_fds[0]) + close(pt->dummy_pipe_fds[0]); + if (pt->dummy_pipe_fds[1]) + close(pt->dummy_pipe_fds[1]); + pt++; + } + if (!context->fd_random) + lwsl_err("ZERO RANDOM FD\n"); + if (context->fd_random != LWS_INVALID_FILE) + close(context->fd_random); } /* cast a struct sockaddr_in6 * into addr for ipv6 */ LWS_VISIBLE int -interface_to_sa(struct libwebsocket_context *context, - const char *ifname, struct sockaddr_in *addr, size_t addrlen) +lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr, + size_t addrlen) { int rc = -1; @@ -377,7 +525,7 @@ interface_to_sa(struct libwebsocket_context *context, switch (ifc->ifa_addr->sa_family) { case AF_INET: #ifdef LWS_USE_IPV6 - if (LWS_IPV6_ENABLED(context)) { + if (ipv6) { /* map IPv4 to IPv6 */ bzero((char *)&addr6->sin6_addr, sizeof(struct in6_addr)); @@ -408,7 +556,7 @@ interface_to_sa(struct libwebsocket_context *context, freeifaddrs(ifr); if (rc == -1) { - /* check if bind to IP adddress */ + /* check if bind to IP address */ #ifdef LWS_USE_IPV6 if (inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1) rc = 0; @@ -422,54 +570,206 @@ interface_to_sa(struct libwebsocket_context *context, } LWS_VISIBLE void -lws_plat_insert_socket_into_fds(struct libwebsocket_context *context, - struct libwebsocket *wsi) +lws_plat_insert_socket_into_fds(struct lws_context *context, struct lws *wsi) { - lws_libev_io(context, wsi, LWS_EV_START | LWS_EV_READ); - context->fds[context->fds_count++].revents = 0; + struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi]; + + lws_libev_io(wsi, LWS_EV_START | LWS_EV_READ); + lws_libuv_io(wsi, LWS_EV_START | LWS_EV_READ); + lws_libevent_io(wsi, LWS_EV_START | LWS_EV_READ); + + pt->fds[pt->fds_count++].revents = 0; } LWS_VISIBLE void -lws_plat_delete_socket_from_fds(struct libwebsocket_context *context, - struct libwebsocket *wsi, int m) +lws_plat_delete_socket_from_fds(struct lws_context *context, + struct lws *wsi, int m) { + struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi]; + + lws_libev_io(wsi, LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE); + lws_libuv_io(wsi, LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE); + lws_libevent_io(wsi, LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE); + + pt->fds_count--; } LWS_VISIBLE void -lws_plat_service_periodic(struct libwebsocket_context *context) +lws_plat_service_periodic(struct lws_context *context) { /* if our parent went down, don't linger around */ if (context->started_with_parent && - kill(context->started_with_parent, 0) < 0) + kill(context->started_with_parent, 0) < 0) kill(getpid(), SIGTERM); } LWS_VISIBLE int -lws_plat_change_pollfd(struct libwebsocket_context *context, - struct libwebsocket *wsi, struct libwebsocket_pollfd *pfd) +lws_plat_change_pollfd(struct lws_context *context, + struct lws *wsi, struct lws_pollfd *pfd) { return 0; } -LWS_VISIBLE int -lws_plat_open_file(const char* filename, unsigned long* filelen) +LWS_VISIBLE const char * +lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt) +{ + return inet_ntop(af, src, dst, cnt); +} + +LWS_VISIBLE lws_fop_fd_t +_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename, + const char *vpath, lws_fop_flags_t *flags) { struct stat stat_buf; - int ret = open(filename, O_RDONLY); + int ret = open(filename, (*flags) & LWS_FOP_FLAGS_MASK, 0664); + lws_fop_fd_t fop_fd; if (ret < 0) - return LWS_INVALID_FILE; + return NULL; + + if (fstat(ret, &stat_buf) < 0) + goto bail; + + fop_fd = malloc(sizeof(*fop_fd)); + if (!fop_fd) + goto bail; + + fop_fd->fops = fops; + fop_fd->flags = *flags; + fop_fd->fd = ret; + fop_fd->filesystem_priv = NULL; /* we don't use it */ + fop_fd->len = stat_buf.st_size; + fop_fd->pos = 0; + + return fop_fd; + +bail: + close(ret); + return NULL; +} + +LWS_VISIBLE int +_lws_plat_file_close(lws_fop_fd_t *fop_fd) +{ + int fd = (*fop_fd)->fd; + + free(*fop_fd); + *fop_fd = NULL; + + return close(fd); +} + +LWS_VISIBLE lws_fileofs_t +_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset) +{ + lws_fileofs_t r; + + if (offset > 0 && offset > fop_fd->len - fop_fd->pos) + offset = fop_fd->len - fop_fd->pos; - if (fstat(ret, &stat_buf) < 0) { - close(ret); - return LWS_INVALID_FILE; + if ((lws_fileofs_t)fop_fd->pos + offset < 0) + offset = -fop_fd->pos; + + r = lseek(fop_fd->fd, offset, SEEK_CUR); + + if (r >= 0) + fop_fd->pos = r; + else + lwsl_err("error seeking from cur %ld, offset %ld\n", + (long)fop_fd->pos, (long)offset); + + return r; +} + +LWS_VISIBLE int +_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount, + uint8_t *buf, lws_filepos_t len) +{ + long n; + + n = read((int)fop_fd->fd, buf, len); + if (n == -1) { + *amount = 0; + return -1; } - *filelen = stat_buf.st_size; - return ret; + fop_fd->pos += n; + lwsl_debug("%s: read %ld of req %ld, pos %ld, len %ld\n", __func__, n, + (long)len, (long)fop_fd->pos, (long)fop_fd->len); + *amount = n; + + return 0; } -LWS_VISIBLE const char * -lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt) +LWS_VISIBLE int +_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount, + uint8_t *buf, lws_filepos_t len) { - return inet_ntop(af, src, dst, cnt); + long n; + + n = write((int)fop_fd->fd, buf, len); + if (n == -1) { + *amount = 0; + return -1; + } + + fop_fd->pos += n; + *amount = n; + + return 0; +} + + +LWS_VISIBLE int +lws_plat_init(struct lws_context *context, + struct lws_context_creation_info *info) +{ + struct lws_context_per_thread *pt = &context->pt[0]; + int n = context->count_threads, fd; + + /* master context has the global fd lookup array */ + context->lws_lookup = lws_zalloc(sizeof(struct lws *) * + context->max_fds); + if (context->lws_lookup == NULL) { + lwsl_err("OOM on lws_lookup array for %d connections\n", + context->max_fds); + return 1; + } + + lwsl_notice(" mem: platform fd map: %5lu bytes\n", + (unsigned long)(sizeof(struct lws *) * context->max_fds)); + fd = open(SYSTEM_RANDOM_FILEPATH, O_RDONLY); + + context->fd_random = fd; + if (context->fd_random < 0) { + lwsl_err("Unable to open random device %s %d\n", + SYSTEM_RANDOM_FILEPATH, context->fd_random); + return 1; + } + + if (!lws_libev_init_fd_table(context) && + !lws_libuv_init_fd_table(context) && + !lws_libevent_init_fd_table(context)) { + /* otherwise libev handled it instead */ + + while (n--) { + if (pipe(pt->dummy_pipe_fds)) { + lwsl_err("Unable to create pipe\n"); + return 1; + } + + /* use the read end of pipe as first item */ + pt->fds[0].fd = pt->dummy_pipe_fds[0]; + pt->fds[0].events = LWS_POLLIN; + pt->fds[0].revents = 0; + pt->fds_count = 1; + pt++; + } + } + +#ifdef LWS_WITH_PLUGINS + if (info->plugin_dirs) + lws_plat_plugins_init(context, info->plugin_dirs); +#endif + + return 0; }