mirror of
https://github.com/signalwire/freeswitch.git
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7b9e4ff674
spandsp logging now passes an opaque pointer to the logging routine, to increase flexibility. Right now the pointer is set to NULL in all calls.
260 lines
7.8 KiB
C
260 lines
7.8 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* logging.c - error and debug logging.
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2005 Steve Underwood
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*
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* All rights reserved.
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*
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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 version 2.1,
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* as published by the Free Software Foundation.
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*
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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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*! \file */
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#if defined(HAVE_CONFIG_H)
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#include "config.h"
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#endif
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#include <limits.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <string.h>
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#include <errno.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <time.h>
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#include "spandsp/telephony.h"
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#include "spandsp/logging.h"
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#include "spandsp/private/logging.h"
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static void default_message_handler(void *user_data, int level, const char *text);
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static message_handler_func_t __span_message = &default_message_handler;
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static void *__user_data = NULL;
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/* Note that this list *must* match the enum definition in logging.h */
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static const char *severities[] =
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{
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"NONE",
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"ERROR",
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"WARNING",
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"PROTOCOL_ERROR",
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"PROTOCOL_WARNING",
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"FLOW",
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"FLOW 2",
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"FLOW 3",
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"DEBUG 1",
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"DEBUG 2",
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"DEBUG 3"
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};
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static void default_message_handler(void *user_data, int level, const char *text)
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{
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fprintf(stderr, "%s", text);
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_test(logging_state_t *s, int level)
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{
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if (s && (s->level & SPAN_LOG_SEVERITY_MASK) >= (level & SPAN_LOG_SEVERITY_MASK))
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return TRUE;
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return FALSE;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log(logging_state_t *s, int level, const char *format, ...)
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{
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char msg[1024 + 1];
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va_list arg_ptr;
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int len;
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struct tm *tim;
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struct timeval nowx;
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time_t now;
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if (span_log_test(s, level))
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{
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va_start(arg_ptr, format);
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len = 0;
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if ((level & SPAN_LOG_SUPPRESS_LABELLING) == 0)
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{
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if ((s->level & SPAN_LOG_SHOW_DATE))
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{
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gettimeofday(&nowx, NULL);
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now = nowx.tv_sec;
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tim = gmtime(&now);
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len += snprintf(msg + len,
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1024 - len,
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"%04d/%02d/%02d %02d:%02d:%02d.%03d ",
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tim->tm_year + 1900,
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tim->tm_mon + 1,
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tim->tm_mday,
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tim->tm_hour,
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tim->tm_min,
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tim->tm_sec,
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(int) nowx.tv_usec/1000);
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}
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/*endif*/
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if ((s->level & SPAN_LOG_SHOW_SAMPLE_TIME))
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{
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now = s->elapsed_samples/s->samples_per_second;
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tim = gmtime(&now);
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len += snprintf(msg + len,
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1024 - len,
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"%02d:%02d:%02d.%03d ",
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tim->tm_hour,
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tim->tm_min,
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tim->tm_sec,
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(int) (s->elapsed_samples%s->samples_per_second)*1000/s->samples_per_second);
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}
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/*endif*/
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if ((s->level & SPAN_LOG_SHOW_SEVERITY) && (level & SPAN_LOG_SEVERITY_MASK) <= SPAN_LOG_DEBUG_3)
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len += snprintf(msg + len, 1024 - len, "%s ", severities[level & SPAN_LOG_SEVERITY_MASK]);
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/*endif*/
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if ((s->level & SPAN_LOG_SHOW_PROTOCOL) && s->protocol)
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len += snprintf(msg + len, 1024 - len, "%s ", s->protocol);
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/*endif*/
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if ((s->level & SPAN_LOG_SHOW_TAG) && s->tag)
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len += snprintf(msg + len, 1024 - len, "%s ", s->tag);
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/*endif*/
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}
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/*endif*/
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len += vsnprintf(msg + len, 1024 - len, format, arg_ptr);
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if (s->span_message)
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s->span_message(s->user_data, level, msg);
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else if (__span_message)
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__span_message(s->user_data, level, msg);
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/*endif*/
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va_end(arg_ptr);
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return 1;
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}
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/*endif*/
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_buf(logging_state_t *s, int level, const char *tag, const uint8_t *buf, int len)
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{
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char msg[1024];
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int i;
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int msg_len;
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if (span_log_test(s, level))
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{
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msg_len = 0;
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if (tag)
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msg_len += snprintf(msg + msg_len, 1024 - msg_len, "%s", tag);
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for (i = 0; i < len && msg_len < 800; i++)
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msg_len += snprintf(msg + msg_len, 1024 - msg_len, " %02x", buf[i]);
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msg_len += snprintf(msg + msg_len, 1024 - msg_len, "\n");
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return span_log(s, level, msg);
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}
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_set_level(logging_state_t *s, int level)
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{
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s->level = level;
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_set_tag(logging_state_t *s, const char *tag)
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{
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s->tag = tag;
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_set_protocol(logging_state_t *s, const char *protocol)
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{
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s->protocol = protocol;
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_set_sample_rate(logging_state_t *s, int samples_per_second)
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{
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s->samples_per_second = samples_per_second;
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_bump_samples(logging_state_t *s, int samples)
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{
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s->elapsed_samples += samples;
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(void) span_log_set_message_handler(logging_state_t *s, message_handler_func_t func, void *user_data)
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{
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s->span_message = func;
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s->user_data = user_data;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(void) span_set_message_handler(message_handler_func_t func, void *user_data)
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{
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__span_message = func;
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__user_data = user_data;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(logging_state_t *) span_log_init(logging_state_t *s, int level, const char *tag)
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{
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if (s == NULL)
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{
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if ((s = (logging_state_t *) malloc(sizeof(*s))) == NULL)
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return NULL;
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}
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s->span_message = __span_message;
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s->level = level;
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s->tag = tag;
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s->protocol = NULL;
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s->samples_per_second = SAMPLE_RATE;
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s->elapsed_samples = 0;
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return s;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_release(logging_state_t *s)
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{
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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SPAN_DECLARE(int) span_log_free(logging_state_t *s)
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{
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if (s)
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free(s);
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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/*- End of file ------------------------------------------------------------*/
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