/* FluidSynth - A Software Synthesizer * * Copyright (C) 2003 Peter Hanappe and others. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA */ #include "fluid_sys.h" #if WITH_READLINE #include #include #endif #ifdef DBUS_SUPPORT #include "fluid_rtkit.h" #endif /* WIN32 HACK - Flag used to differentiate between a file descriptor and a socket. * Should work, so long as no SOCKET or file descriptor ends up with this bit set. - JG */ #define WIN32_SOCKET_FLAG 0x40000000 /* SCHED_FIFO priority for high priority timer threads */ #define FLUID_SYS_TIMER_HIGH_PRIO_LEVEL 10 typedef struct { fluid_thread_func_t func; void *data; int prio_level; } fluid_thread_info_t; struct _fluid_timer_t { long msec; fluid_timer_callback_t callback; void *data; fluid_thread_t *thread; int cont; int auto_destroy; }; struct _fluid_server_socket_t { fluid_socket_t socket; fluid_thread_t *thread; int cont; fluid_server_func_t func; void *data; }; static int fluid_istream_gets(fluid_istream_t in, char* buf, int len); static char fluid_errbuf[512]; /* buffer for error message */ static fluid_log_function_t fluid_log_function[LAST_LOG_LEVEL]; static void* fluid_log_user_data[LAST_LOG_LEVEL]; static int fluid_log_initialized = 0; static char* fluid_libname = "fluidsynth"; void fluid_sys_config() { fluid_log_config(); } unsigned int fluid_debug_flags = 0; #if DEBUG /* * fluid_debug */ int fluid_debug(int level, char * fmt, ...) { if (fluid_debug_flags & level) { fluid_log_function_t fun; va_list args; va_start (args, fmt); vsnprintf(fluid_errbuf, sizeof (fluid_errbuf), fmt, args); va_end (args); fun = fluid_log_function[FLUID_DBG]; if (fun != NULL) { (*fun)(level, fluid_errbuf, fluid_log_user_data[FLUID_DBG]); } } return 0; } #endif /** * Installs a new log function for a specified log level. * @param level Log level to install handler for. * @param fun Callback function handler to call for logged messages * @param data User supplied data pointer to pass to log function * @return The previously installed function. */ fluid_log_function_t fluid_set_log_function(int level, fluid_log_function_t fun, void* data) { fluid_log_function_t old = NULL; if ((level >= 0) && (level < LAST_LOG_LEVEL)) { old = fluid_log_function[level]; fluid_log_function[level] = fun; fluid_log_user_data[level] = data; } return old; } /** * Default log function which prints to the stderr. * @param level Log level * @param message Log message * @param data User supplied data (not used) */ void fluid_default_log_function(int level, char* message, void* data) { FILE* out; #if defined(WIN32) out = stdout; #else out = stderr; #endif if (fluid_log_initialized == 0) { fluid_log_config(); } switch (level) { case FLUID_PANIC: FLUID_FPRINTF(out, "%s: panic: %s\n", fluid_libname, message); break; case FLUID_ERR: FLUID_FPRINTF(out, "%s: error: %s\n", fluid_libname, message); break; case FLUID_WARN: FLUID_FPRINTF(out, "%s: warning: %s\n", fluid_libname, message); break; case FLUID_INFO: FLUID_FPRINTF(out, "%s: %s\n", fluid_libname, message); break; case FLUID_DBG: #if DEBUG FLUID_FPRINTF(out, "%s: debug: %s\n", fluid_libname, message); #endif break; default: FLUID_FPRINTF(out, "%s: %s\n", fluid_libname, message); break; } fflush(out); } /* * fluid_init_log */ void fluid_log_config(void) { if (fluid_log_initialized == 0) { fluid_log_initialized = 1; if (fluid_log_function[FLUID_PANIC] == NULL) { fluid_set_log_function(FLUID_PANIC, fluid_default_log_function, NULL); } if (fluid_log_function[FLUID_ERR] == NULL) { fluid_set_log_function(FLUID_ERR, fluid_default_log_function, NULL); } if (fluid_log_function[FLUID_WARN] == NULL) { fluid_set_log_function(FLUID_WARN, fluid_default_log_function, NULL); } if (fluid_log_function[FLUID_INFO] == NULL) { fluid_set_log_function(FLUID_INFO, fluid_default_log_function, NULL); } if (fluid_log_function[FLUID_DBG] == NULL) { fluid_set_log_function(FLUID_DBG, fluid_default_log_function, NULL); } } } /** * Print a message to the log. * @param level Log level (#fluid_log_level). * @param fmt Printf style format string for log message * @param ... Arguments for printf 'fmt' message string * @return Always returns #FLUID_FAILED */ int fluid_log(int level, const char* fmt, ...) { fluid_log_function_t fun = NULL; va_list args; va_start (args, fmt); vsnprintf(fluid_errbuf, sizeof (fluid_errbuf), fmt, args); va_end (args); if ((level >= 0) && (level < LAST_LOG_LEVEL)) { fun = fluid_log_function[level]; if (fun != NULL) { (*fun)(level, fluid_errbuf, fluid_log_user_data[level]); } } return FLUID_FAILED; } /** * An improved strtok, still trashes the input string, but is portable and * thread safe. Also skips token chars at beginning of token string and never * returns an empty token (will return NULL if source ends in token chars though). * NOTE: NOT part of public API * @internal * @param str Pointer to a string pointer of source to tokenize. Pointer gets * updated on each invocation to point to beginning of next token. Note that * token char get's overwritten with a 0 byte. String pointer is set to NULL * when final token is returned. * @param delim String of delimiter chars. * @return Pointer to the next token or NULL if no more tokens. */ char *fluid_strtok (char **str, char *delim) { char *s, *d, *token; char c; if (str == NULL || delim == NULL || !*delim) { FLUID_LOG(FLUID_ERR, "Null pointer"); return NULL; } s = *str; if (!s) return NULL; /* str points to a NULL pointer? (tokenize already ended) */ /* skip delimiter chars at beginning of token */ do { c = *s; if (!c) /* end of source string? */ { *str = NULL; return NULL; } for (d = delim; *d; d++) /* is source char a token char? */ { if (c == *d) /* token char match? */ { s++; /* advance to next source char */ break; } } } while (*d); /* while token char match */ token = s; /* start of token found */ /* search for next token char or end of source string */ for (s = s+1; *s; s++) { c = *s; for (d = delim; *d; d++) /* is source char a token char? */ { if (c == *d) /* token char match? */ { *s = '\0'; /* overwrite token char with zero byte to terminate token */ *str = s+1; /* update str to point to beginning of next token */ return token; } } } /* we get here only if source string ended */ *str = NULL; return token; } /* * fluid_error */ char* fluid_error() { return fluid_errbuf; } /** * Check if a file is a MIDI file. * @param filename Path to the file to check * @return TRUE if it could be a MIDI file, FALSE otherwise * * The current implementation only checks for the "MThd" header in the file. * It is useful only to distinguish between SoundFont and MIDI files. */ int fluid_is_midifile(const char *filename) { FILE* fp = fopen(filename, "rb"); char id[4]; if (fp == NULL) { return 0; } if (fread((void*) id, 1, 4, fp) != 4) { fclose(fp); return 0; } fclose(fp); return strncmp(id, "MThd", 4) == 0; } /** * Check if a file is a SoundFont file. * @param filename Path to the file to check * @return TRUE if it could be a SoundFont, FALSE otherwise * * The current implementation only checks for the "RIFF" header in the file. * It is useful only to distinguish between SoundFont and MIDI files. */ int fluid_is_soundfont(const char *filename) { FILE* fp = fopen(filename, "rb"); char id[4]; if (fp == NULL) { return 0; } if (fread((void*) id, 1, 4, fp) != 4) { fclose(fp); return 0; } fclose(fp); return strncmp(id, "RIFF", 4) == 0; } /** * Get time in milliseconds to be used in relative timing operations. * @return Unix time in milliseconds. */ unsigned int fluid_curtime(void) { static glong initial_seconds = 0; GTimeVal timeval; if (initial_seconds == 0) { g_get_current_time (&timeval); initial_seconds = timeval.tv_sec; } g_get_current_time (&timeval); return (unsigned int)((timeval.tv_sec - initial_seconds) * 1000.0 + timeval.tv_usec / 1000.0); } /** * Get time in microseconds to be used in relative timing operations. * @return Unix time in microseconds. */ double fluid_utime (void) { GTimeVal timeval; g_get_current_time (&timeval); return (timeval.tv_sec * 1000000.0 + timeval.tv_usec); } #if defined(WIN32) /* Windoze specific stuff */ void fluid_thread_self_set_prio (int prio_level) { if (prio_level > 0) SetThreadPriority (GetCurrentThread(), THREAD_PRIORITY_HIGHEST); } #elif defined(__OS2__) /* OS/2 specific stuff */ void fluid_thread_self_set_prio (int prio_level) { if (prio_level > 0) DosSetPriority (PRTYS_THREAD, PRTYC_REGULAR, PRTYD_MAXIMUM, 0); } #else /* POSIX stuff.. Nice POSIX.. Good POSIX. */ void fluid_thread_self_set_prio (int prio_level) { struct sched_param priority; if (prio_level > 0) { memset(&priority, 0, sizeof(priority)); priority.sched_priority = prio_level; if (pthread_setschedparam (pthread_self (), SCHED_FIFO, &priority) == 0) { return; } #ifdef DBUS_SUPPORT /* Try to gain high priority via rtkit */ if (fluid_rtkit_make_realtime(0, prio_level) == 0) { return; } #endif FLUID_LOG(FLUID_WARN, "Failed to set thread to high priority"); } } #ifdef FPE_CHECK /*************************************************************** * * Floating point exceptions * * The floating point exception functions were taken from Ircam's * jMax source code. http://www.ircam.fr/jmax * * FIXME: check in config for i386 machine * * Currently not used. I leave the code here in case we want to pick * this up again some time later. */ /* Exception flags */ #define _FPU_STATUS_IE 0x001 /* Invalid Operation */ #define _FPU_STATUS_DE 0x002 /* Denormalized Operand */ #define _FPU_STATUS_ZE 0x004 /* Zero Divide */ #define _FPU_STATUS_OE 0x008 /* Overflow */ #define _FPU_STATUS_UE 0x010 /* Underflow */ #define _FPU_STATUS_PE 0x020 /* Precision */ #define _FPU_STATUS_SF 0x040 /* Stack Fault */ #define _FPU_STATUS_ES 0x080 /* Error Summary Status */ /* Macros for accessing the FPU status word. */ /* get the FPU status */ #define _FPU_GET_SW(sw) __asm__ ("fnstsw %0" : "=m" (*&sw)) /* clear the FPU status */ #define _FPU_CLR_SW() __asm__ ("fnclex" : : ) /* Purpose: * Checks, if the floating point unit has produced an exception, print a message * if so and clear the exception. */ unsigned int fluid_check_fpe_i386(char* explanation) { unsigned int s; _FPU_GET_SW(s); _FPU_CLR_SW(); s &= _FPU_STATUS_IE | _FPU_STATUS_DE | _FPU_STATUS_ZE | _FPU_STATUS_OE | _FPU_STATUS_UE; if (s) { FLUID_LOG(FLUID_WARN, "FPE exception (before or in %s): %s%s%s%s%s", explanation, (s & _FPU_STATUS_IE) ? "Invalid operation " : "", (s & _FPU_STATUS_DE) ? "Denormal number " : "", (s & _FPU_STATUS_ZE) ? "Zero divide " : "", (s & _FPU_STATUS_OE) ? "Overflow " : "", (s & _FPU_STATUS_UE) ? "Underflow " : ""); } return s; } /* Purpose: * Clear floating point exception. */ void fluid_clear_fpe_i386 (void) { _FPU_CLR_SW(); } #endif // ifdef FPE_CHECK #endif // #else (its POSIX) /*************************************************************** * * Profiling (Linux, i586 only) * */ #if WITH_PROFILING fluid_profile_data_t fluid_profile_data[] = { { FLUID_PROF_WRITE, "fluid_synth_write_* ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_ONE_BLOCK, "fluid_synth_one_block ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_ONE_BLOCK_CLEAR, "fluid_synth_one_block:clear ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_ONE_BLOCK_VOICE, "fluid_synth_one_block:one voice ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_ONE_BLOCK_VOICES, "fluid_synth_one_block:all voices", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_ONE_BLOCK_REVERB, "fluid_synth_one_block:reverb ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_ONE_BLOCK_CHORUS, "fluid_synth_one_block:chorus ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_VOICE_NOTE, "fluid_voice:note ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_VOICE_RELEASE, "fluid_voice:release ", 1e10, 0.0, 0.0, 0}, { FLUID_PROF_LAST, "last", 1e100, 0.0, 0.0, 0} }; void fluid_profiling_print(void) { int i; printf("fluid_profiling_print\n"); FLUID_LOG(FLUID_INFO, "Estimated times: min/avg/max (micro seconds)"); for (i = 0; i < FLUID_PROF_LAST; i++) { if (fluid_profile_data[i].count > 0) { FLUID_LOG(FLUID_INFO, "%s: %.3f/%.3f/%.3f", fluid_profile_data[i].description, fluid_profile_data[i].min, fluid_profile_data[i].total / fluid_profile_data[i].count, fluid_profile_data[i].max); } else { FLUID_LOG(FLUID_DBG, "%s: no profiling available", fluid_profile_data[i].description); } } } #endif /* WITH_PROFILING */ /*************************************************************** * * Threads * */ #if OLD_GLIB_THREAD_API /* Rather than inline this one, we just declare it as a function, to prevent * GCC warning about inline failure. */ fluid_cond_t * new_fluid_cond (void) { if (!g_thread_supported ()) g_thread_init (NULL); return g_cond_new (); } #endif static gpointer fluid_thread_high_prio (gpointer data) { fluid_thread_info_t *info = data; fluid_thread_self_set_prio (info->prio_level); info->func (info->data); FLUID_FREE (info); return NULL; } /** * Create a new thread. * @param func Function to execute in new thread context * @param data User defined data to pass to func * @param prio_level Priority level. If greater than 0 then high priority scheduling will * be used, with the given priority level (used by pthreads only). 0 uses normal scheduling. * @param detach If TRUE, 'join' does not work and the thread destroys itself when finished. * @return New thread pointer or NULL on error */ fluid_thread_t * new_fluid_thread (const char *name, fluid_thread_func_t func, void *data, int prio_level, int detach) { GThread *thread; fluid_thread_info_t *info; GError *err = NULL; g_return_val_if_fail (func != NULL, NULL); #if OLD_GLIB_THREAD_API /* Make sure g_thread_init has been called. * FIXME - Probably not a good idea in a shared library, * but what can we do *and* remain backwards compatible? */ if (!g_thread_supported ()) g_thread_init (NULL); #endif if (prio_level > 0) { info = FLUID_NEW (fluid_thread_info_t); if (!info) { FLUID_LOG(FLUID_ERR, "Out of memory"); return NULL; } info->func = func; info->data = data; info->prio_level = prio_level; #if NEW_GLIB_THREAD_API thread = g_thread_try_new (name, fluid_thread_high_prio, info, &err); #else thread = g_thread_create (fluid_thread_high_prio, info, detach == FALSE, &err); #endif } #if NEW_GLIB_THREAD_API else thread = g_thread_try_new (name, (GThreadFunc)func, data, &err); #else else thread = g_thread_create ((GThreadFunc)func, data, detach == FALSE, &err); #endif if (!thread) { FLUID_LOG(FLUID_ERR, "Failed to create the thread: %s", fluid_gerror_message (err)); g_clear_error (&err); return NULL; } #if NEW_GLIB_THREAD_API if (detach) g_thread_unref (thread); // Release thread reference, if caller wants to detach #endif return thread; } /** * Frees data associated with a thread (does not actually stop thread). * @param thread Thread to free */ void delete_fluid_thread(fluid_thread_t* thread) { /* Threads free themselves when they quit, nothing to do */ } /** * Join a thread (wait for it to terminate). * @param thread Thread to join * @return FLUID_OK */ int fluid_thread_join(fluid_thread_t* thread) { g_thread_join (thread); return FLUID_OK; } void fluid_timer_run (void *data) { fluid_timer_t *timer; int count = 0; int cont; long start; long delay; timer = (fluid_timer_t *)data; /* keep track of the start time for absolute positioning */ start = fluid_curtime (); while (timer->cont) { cont = (*timer->callback)(timer->data, fluid_curtime() - start); count++; if (!cont) break; /* to avoid incremental time errors, calculate the delay between two callbacks bringing in the "absolute" time (count * timer->msec) */ delay = (count * timer->msec) - (fluid_curtime() - start); if (delay > 0) g_usleep (delay * 1000); } FLUID_LOG (FLUID_DBG, "Timer thread finished"); if (timer->auto_destroy) FLUID_FREE (timer); return; } fluid_timer_t* new_fluid_timer (int msec, fluid_timer_callback_t callback, void* data, int new_thread, int auto_destroy, int high_priority) { fluid_timer_t *timer; timer = FLUID_NEW (fluid_timer_t); if (timer == NULL) { FLUID_LOG (FLUID_ERR, "Out of memory"); return NULL; } timer->msec = msec; timer->callback = callback; timer->data = data; timer->cont = TRUE ; timer->thread = NULL; timer->auto_destroy = auto_destroy; if (new_thread) { timer->thread = new_fluid_thread ("timer", fluid_timer_run, timer, high_priority ? FLUID_SYS_TIMER_HIGH_PRIO_LEVEL : 0, FALSE); if (!timer->thread) { FLUID_FREE (timer); return NULL; } } else fluid_timer_run (timer); /* Run directly, instead of as a separate thread */ return timer; } int delete_fluid_timer (fluid_timer_t *timer) { int auto_destroy = timer->auto_destroy; timer->cont = 0; fluid_timer_join (timer); /* Shouldn't access timer now if auto_destroy enabled, since it has been destroyed */ if (!auto_destroy) FLUID_FREE (timer); return FLUID_OK; } int fluid_timer_join (fluid_timer_t *timer) { int auto_destroy; if (timer->thread) { auto_destroy = timer->auto_destroy; fluid_thread_join (timer->thread); if (!auto_destroy) timer->thread = NULL; } return FLUID_OK; } /*************************************************************** * * Sockets and I/O * */ /** * Get standard in stream handle. * @return Standard in stream. */ fluid_istream_t fluid_get_stdin (void) { return STDIN_FILENO; } /** * Get standard output stream handle. * @return Standard out stream. */ fluid_ostream_t fluid_get_stdout (void) { return STDOUT_FILENO; } /** * Read a line from an input stream. * @return 0 if end-of-stream, -1 if error, non zero otherwise */ int fluid_istream_readline (fluid_istream_t in, fluid_ostream_t out, char* prompt, char* buf, int len) { #if WITH_READLINE if (in == fluid_get_stdin ()) { char *line; line = readline (prompt); if (line == NULL) return -1; snprintf(buf, len, "%s", line); buf[len - 1] = 0; free(line); return 1; } else #endif { fluid_ostream_printf (out, "%s", prompt); return fluid_istream_gets (in, buf, len); } } /** * Reads a line from an input stream (socket). * @param in The input socket * @param buf Buffer to store data to * @param len Maximum length to store to buf * @return 1 if a line was read, 0 on end of stream, -1 on error */ static int fluid_istream_gets (fluid_istream_t in, char* buf, int len) { char c; int n; buf[len - 1] = 0; while (--len > 0) { #ifndef WIN32 n = read(in, &c, 1); if (n == -1) return -1; #else /* Handle read differently depending on if its a socket or file descriptor */ if (!(in & WIN32_SOCKET_FLAG)) { n = read(in, &c, 1); if (n == -1) return -1; } else { n = recv(in & ~WIN32_SOCKET_FLAG, &c, 1, 0); if (n == SOCKET_ERROR) return -1; } #endif if (n == 0) { *buf++ = 0; return 0; } if (c == '\n') { *buf++ = 0; return 1; } /* Store all characters excluding CR */ if (c != '\r') *buf++ = c; } return -1; } /** * Send a printf style string with arguments to an output stream (socket). * @param out Output stream * @param format printf style format string * @param ... Arguments for the printf format string * @return Number of bytes written or -1 on error */ int fluid_ostream_printf (fluid_ostream_t out, char* format, ...) { char buf[4096]; va_list args; int len; va_start (args, format); len = vsnprintf (buf, 4095, format, args); va_end (args); if (len == 0) { return 0; } if (len < 0) { printf("fluid_ostream_printf: buffer overflow"); return -1; } buf[4095] = 0; #ifndef WIN32 return write (out, buf, strlen (buf)); #else { int retval; /* Handle write differently depending on if its a socket or file descriptor */ if (!(out & WIN32_SOCKET_FLAG)) return write(out, buf, strlen (buf)); /* Socket */ retval = send (out & ~WIN32_SOCKET_FLAG, buf, strlen (buf), 0); return retval != SOCKET_ERROR ? retval : -1; } #endif } int fluid_server_socket_join(fluid_server_socket_t *server_socket) { return fluid_thread_join (server_socket->thread); } #ifndef WIN32 // Not win32? #define SOCKET_ERROR -1 fluid_istream_t fluid_socket_get_istream (fluid_socket_t sock) { return sock; } fluid_ostream_t fluid_socket_get_ostream (fluid_socket_t sock) { return sock; } void fluid_socket_close(fluid_socket_t sock) { if (sock != INVALID_SOCKET) close (sock); } static void fluid_server_socket_run (void *data) { fluid_server_socket_t *server_socket = (fluid_server_socket_t *)data; fluid_socket_t client_socket; #ifdef IPV6_SUPPORT struct sockaddr_in6 addr; char straddr[INET6_ADDRSTRLEN]; #else struct sockaddr_in addr; char straddr[INET_ADDRSTRLEN]; #endif socklen_t addrlen = sizeof (addr); int retval; FLUID_MEMSET((char *)&addr, 0, sizeof(addr)); FLUID_LOG (FLUID_DBG, "Server listening for connections"); while (server_socket->cont) { client_socket = accept (server_socket->socket, (struct sockaddr *)&addr, &addrlen); FLUID_LOG (FLUID_DBG, "New client connection"); if (client_socket == INVALID_SOCKET) { if (server_socket->cont) FLUID_LOG(FLUID_ERR, "Failed to accept connection"); server_socket->cont = 0; return; } else { #ifdef HAVE_INETNTOP #ifdef IPV6_SUPPORT inet_ntop(AF_INET6, &addr.sin6_addr, straddr, sizeof(straddr)); #else inet_ntop(AF_INET, &addr.sin_addr, straddr, sizeof(straddr)); #endif #endif #ifdef HAVE_INETNTOP retval = server_socket->func (server_socket->data, client_socket, straddr); #else retval = server_socket->func (server_socket->data, client_socket, inet_ntoa (addr.sin_addr)); #endif if (retval != 0) fluid_socket_close(client_socket); } } FLUID_LOG(FLUID_DBG, "Server closing"); } fluid_server_socket_t* new_fluid_server_socket(int port, fluid_server_func_t func, void* data) { fluid_server_socket_t* server_socket; #ifdef IPV6_SUPPORT struct sockaddr_in6 addr; #else struct sockaddr_in addr; #endif fluid_socket_t sock; g_return_val_if_fail (func != NULL, NULL); #ifdef IPV6_SUPPORT sock = socket(AF_INET6, SOCK_STREAM, 0); if (sock == INVALID_SOCKET) { FLUID_LOG(FLUID_ERR, "Failed to create server socket"); return NULL; } FLUID_MEMSET((char *)&addr, 0, sizeof(struct sockaddr_in6)); addr.sin6_family = AF_INET6; addr.sin6_addr = in6addr_any; addr.sin6_port = htons(port); #else sock = socket(AF_INET, SOCK_STREAM, 0); if (sock == INVALID_SOCKET) { FLUID_LOG(FLUID_ERR, "Failed to create server socket"); return NULL; } FLUID_MEMSET((char *)&addr, 0, sizeof(struct sockaddr_in)); addr.sin_family = AF_INET; addr.sin_addr.s_addr = htonl(INADDR_ANY); addr.sin_port = htons(port); #endif if (bind(sock, (const struct sockaddr *) &addr, sizeof(addr)) == SOCKET_ERROR) { FLUID_LOG(FLUID_ERR, "Failed to bind server socket"); fluid_socket_close(sock); return NULL; } if (listen(sock, 10) == SOCKET_ERROR) { FLUID_LOG(FLUID_ERR, "Failed listen on server socket"); fluid_socket_close(sock); return NULL; } server_socket = FLUID_NEW(fluid_server_socket_t); if (server_socket == NULL) { FLUID_LOG(FLUID_ERR, "Out of memory"); fluid_socket_close(sock); return NULL; } server_socket->socket = sock; server_socket->func = func; server_socket->data = data; server_socket->cont = 1; server_socket->thread = new_fluid_thread("server", fluid_server_socket_run, server_socket, 0, FALSE); if (server_socket->thread == NULL) { FLUID_FREE(server_socket); fluid_socket_close(sock); return NULL; } return server_socket; } int delete_fluid_server_socket(fluid_server_socket_t* server_socket) { server_socket->cont = 0; if (server_socket->socket != INVALID_SOCKET) { fluid_socket_close(server_socket->socket); } if (server_socket->thread) { delete_fluid_thread(server_socket->thread); } FLUID_FREE(server_socket); return FLUID_OK; } #else // Win32 is "special" #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif fluid_istream_t fluid_socket_get_istream (fluid_socket_t sock) { return sock | WIN32_SOCKET_FLAG; } fluid_ostream_t fluid_socket_get_ostream (fluid_socket_t sock) { return sock | WIN32_SOCKET_FLAG; } void fluid_socket_close (fluid_socket_t sock) { if (sock != INVALID_SOCKET) closesocket (sock); } static void fluid_server_socket_run (void *data) { fluid_server_socket_t *server_socket = (fluid_server_socket_t *)data; fluid_socket_t client_socket; #ifdef IPV6_SUPPORT struct sockaddr_in6 addr; char straddr[INET6_ADDRSTRLEN]; #else struct sockaddr_in addr; #ifdef HAVE_INETNTOP char straddr[INET_ADDRSTRLEN]; #endif #endif socklen_t addrlen = sizeof (addr); int r; FLUID_MEMSET((char *)&addr, 0, sizeof(addr)); FLUID_LOG(FLUID_DBG, "Server listening for connections"); while (server_socket->cont) { client_socket = accept (server_socket->socket, (struct sockaddr *)&addr, &addrlen); FLUID_LOG (FLUID_DBG, "New client connection"); if (client_socket == INVALID_SOCKET) { if (server_socket->cont) FLUID_LOG (FLUID_ERR, "Failed to accept connection: %ld", WSAGetLastError ()); server_socket->cont = 0; return; } else { #ifdef HAVE_INETNTOP #ifdef IPV6_SUPPORT inet_ntop(AF_INET6, &addr.sin6_addr, straddr, sizeof(straddr)); #else inet_ntop(AF_INET, &addr.sin_addr, straddr, sizeof(straddr)); #endif #endif #ifdef HAVE_INETNTOP r = server_socket->func (server_socket->data, client_socket, straddr); #else r = server_socket->func (server_socket->data, client_socket, inet_ntoa (addr.sin_addr)); #endif if (r != 0) fluid_socket_close (client_socket); } } FLUID_LOG (FLUID_DBG, "Server closing"); } fluid_server_socket_t* new_fluid_server_socket(int port, fluid_server_func_t func, void* data) { fluid_server_socket_t* server_socket; #ifdef IPV6_SUPPORT struct sockaddr_in6 addr; #else struct sockaddr_in addr; #endif fluid_socket_t sock; WSADATA wsaData; int retval; g_return_val_if_fail (func != NULL, NULL); // Win32 requires initialization of winsock retval = WSAStartup (MAKEWORD (2,2), &wsaData); if (retval != 0) { FLUID_LOG(FLUID_ERR, "Server socket creation error: WSAStartup failed: %d", retval); return NULL; } #ifdef IPV6_SUPPORT sock = socket (AF_INET6, SOCK_STREAM, 0); if (sock == INVALID_SOCKET) { FLUID_LOG (FLUID_ERR, "Failed to create server socket: %ld", WSAGetLastError ()); WSACleanup (); return NULL; } addr.sin6_family = AF_INET6; addr.sin6_port = htons (port); addr.sin6_addr = in6addr_any; #else sock = socket (AF_INET, SOCK_STREAM, 0); if (sock == INVALID_SOCKET) { FLUID_LOG (FLUID_ERR, "Failed to create server socket: %ld", WSAGetLastError ()); WSACleanup (); return NULL; } addr.sin_family = AF_INET; addr.sin_port = htons (port); addr.sin_addr.s_addr = htonl (INADDR_ANY); #endif retval = bind (sock, (struct sockaddr *)&addr, sizeof (addr)); if (retval == SOCKET_ERROR) { FLUID_LOG (FLUID_ERR, "Failed to bind server socket: %ld", WSAGetLastError ()); fluid_socket_close (sock); WSACleanup (); return NULL; } if (listen (sock, SOMAXCONN) == SOCKET_ERROR) { FLUID_LOG (FLUID_ERR, "Failed to listen on server socket: %ld", WSAGetLastError ()); fluid_socket_close (sock); WSACleanup (); return NULL; } server_socket = FLUID_NEW (fluid_server_socket_t); if (server_socket == NULL) { FLUID_LOG (FLUID_ERR, "Out of memory"); fluid_socket_close (sock); WSACleanup (); return NULL; } server_socket->socket = sock; server_socket->func = func; server_socket->data = data; server_socket->cont = 1; server_socket->thread = new_fluid_thread("server", fluid_server_socket_run, server_socket, 0, FALSE); if (server_socket->thread == NULL) { FLUID_FREE (server_socket); fluid_socket_close (sock); WSACleanup (); return NULL; } return server_socket; } int delete_fluid_server_socket(fluid_server_socket_t *server_socket) { server_socket->cont = 0; if (server_socket->socket != INVALID_SOCKET) fluid_socket_close (server_socket->socket); if (server_socket->thread) delete_fluid_thread (server_socket->thread); FLUID_FREE (server_socket); WSACleanup (); // Should be called the same number of times as WSAStartup return FLUID_OK; } #endif