138 lines
3.5 KiB
C++
138 lines
3.5 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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Copyright (C) 2004-2008 Grame
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Copyright (C) 2008 Nedko Arnaudov
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "JackError.h"
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#include "JackGlobals.h"
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#include "JackMessageBuffer.h"
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using namespace Jack;
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static bool change_thread_log_function(jack_log_function_t log_function)
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{
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return (jack_tls_get(JackGlobals::fKeyLogFunction) == NULL
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&& jack_tls_set(JackGlobals::fKeyLogFunction, (void*)log_function));
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}
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SERVER_EXPORT int set_threaded_log_function()
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{
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return change_thread_log_function(JackMessageBufferAdd);
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}
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void jack_log_function(int level, const char *message)
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{
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void (* log_callback)(const char *);
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switch (level)
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{
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case LOG_LEVEL_INFO:
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log_callback = jack_info_callback;
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break;
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case LOG_LEVEL_ERROR:
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log_callback = jack_error_callback;
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break;
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default:
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return;
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}
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log_callback(message);
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}
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static void jack_format_and_log(int level, const char *prefix, const char *fmt, va_list ap)
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{
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char buffer[256];
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size_t len;
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jack_log_function_t log_function;
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if (prefix != NULL) {
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len = strlen(prefix);
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assert(len < 256);
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memcpy(buffer, prefix, len);
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} else {
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len = 0;
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}
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vsnprintf(buffer + len, sizeof(buffer) - len, fmt, ap);
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log_function = (jack_log_function_t)jack_tls_get(JackGlobals::fKeyLogFunction);
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/* if log function is not overridden for thread, use default one */
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if (log_function == NULL)
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{
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log_function = jack_log_function;
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//log_function(LOG_LEVEL_INFO, "------ Using default log function");
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}
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else
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{
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//log_function(LOG_LEVEL_INFO, "++++++ Using thread-specific log function");
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}
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log_function(level, buffer);
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}
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SERVER_EXPORT void jack_error(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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jack_format_and_log(LOG_LEVEL_ERROR, NULL, fmt, ap);
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va_end(ap);
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}
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SERVER_EXPORT void jack_info(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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jack_format_and_log(LOG_LEVEL_INFO, NULL, fmt, ap);
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va_end(ap);
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}
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SERVER_EXPORT void jack_log(const char *fmt,...)
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{
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if (JackGlobals::fVerbose) {
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va_list ap;
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va_start(ap, fmt);
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jack_format_and_log(LOG_LEVEL_INFO, "Jack: ", fmt, ap);
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va_end(ap);
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}
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}
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SERVER_EXPORT void default_jack_error_callback(const char *desc)
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{
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fprintf(stderr, "%s\n", desc);
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fflush(stderr);
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}
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SERVER_EXPORT void default_jack_info_callback(const char *desc)
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{
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fprintf(stdout, "%s\n", desc);
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fflush(stdout);
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}
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SERVER_EXPORT void silent_jack_error_callback(const char *desc)
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{}
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SERVER_EXPORT void silent_jack_info_callback(const char *desc)
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{}
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LIB_EXPORT void (*jack_error_callback)(const char *desc) = &default_jack_error_callback;
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LIB_EXPORT void (*jack_info_callback)(const char *desc) = &default_jack_info_callback;
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