114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/*
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* Copyright (c) 2009-2020, Salvatore Sanfilippo <antirez at gmail dot com>
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* Copyright (c) 2020, Redis Labs, Inc
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <assert.h>
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#include "util.h"
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int verbosity = LL_NOTICE;
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void serverLog(int level, const char *fmt, ...) {
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va_list ap;
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char msg[LOG_MAX_LEN];
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if ((level&0xff) < verbosity) return;
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va_start(ap, fmt);
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vsnprintf(msg, sizeof(msg), fmt, ap);
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va_end(ap);
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fprintf(stdout, "%s\n",msg);
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}
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void _serverPanic(const char *file, int line, const char *msg, ...) {
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va_list ap;
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va_start(ap,msg);
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char fmtmsg[256];
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vsnprintf(fmtmsg,sizeof(fmtmsg),msg,ap);
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va_end(ap);
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serverLog(LL_WARNING, "------------------------------------------------");
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serverLog(LL_WARNING, "!!! Software Failure. Press left mouse button to continue");
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serverLog(LL_WARNING, "Guru Meditation: %s #%s:%d", fmtmsg,file,line);
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#ifndef NDEBUG
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__assert_fail(msg, file, line, "");
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#endif
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}
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void _serverAssert(const char *estr, const char *file, int line) {
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serverLog(LL_WARNING,"=== ASSERTION FAILED ===");
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serverLog(LL_WARNING,"==> %s:%d '%s' is not true",file,line,estr);
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}
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/* Low level logging. To use only for very big messages, otherwise
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* serverLog() is to prefer. */
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void serverLogRaw(int level, const char *msg) {
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FILE *fp;
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int log_to_stdout = 1;
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level &= 0xff; /* clear flags */
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if (level < verbosity) return;
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fp = stdout;
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fprintf(fp,"%s",msg);
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fflush(fp);
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if (!log_to_stdout) fclose(fp);
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}
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void serverLogHexDump(int level, char *descr, void *value, size_t len) {
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char buf[65], *b;
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unsigned char *v = value;
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char charset[] = "0123456789abcdef";
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serverLog(level,"%s (hexdump of %zu bytes):", descr, len);
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b = buf;
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while(len) {
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b[0] = charset[(*v)>>4];
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b[1] = charset[(*v)&0xf];
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b[2] = '\0';
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b += 2;
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len--;
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v++;
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if (b-buf == 64 || len == 0) {
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serverLogRaw(level|LL_RAW,buf);
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b = buf;
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}
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}
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serverLogRaw(level|LL_RAW,"\n");
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}
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