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21f51965c1
Make .o files in separate subdirectories for servald and library Factor struct __sourceloc and __WHENCE__ from "log.h" into "whence.h" Factor sid_t etc from "serval.h" into "serval_types.h" Factor rhizome_bid_t etc from "rhizome.h" into "rhizome_types.h" Do not include "serval.h" in library sources Add log_stderr.c and logMessage.c for stand-alone executables
121 lines
4.7 KiB
C
121 lines
4.7 KiB
C
/*
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Copyright (C) 2012 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __SERVAL_DNA__LOG_H
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#define __SERVAL_DNA__LOG_H
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#include <sys/types.h> // for size_t
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#include <stdio.h> // for NULL
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#include <stdlib.h>
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#include <stdarg.h>
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#include <errno.h>
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#include "whence.h"
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#ifndef __SERVAL_LOG_INLINE
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# if __GNUC__ && !__GNUC_STDC_INLINE__
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# define __SERVAL_LOG_INLINE extern inline
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# else
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# define __SERVAL_LOG_INLINE inline
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# endif
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#endif
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// Logging levels.
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#define LOG_LEVEL_INVALID (-1)
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#define LOG_LEVEL_SILENT (0)
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#define LOG_LEVEL_DEBUG (1)
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#define LOG_LEVEL_INFO (2)
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#define LOG_LEVEL_HINT (3)
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#define LOG_LEVEL_WARN (4)
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#define LOG_LEVEL_ERROR (5)
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#define LOG_LEVEL_FATAL (6)
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#define LOG_LEVEL_NONE (127)
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const char *log_level_as_string(int level);
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int string_to_log_level(const char *text);
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// Log output control.
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extern int serverMode;
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void close_log_file();
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void disable_log_stderr();
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void logFlush();
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void logConfigChanged();
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// Logging primitives.
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void vlogMessage(int level, struct __sourceloc whence, const char *fmt, va_list);
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int logBacktrace(int level, struct __sourceloc whence);
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__SERVAL_LOG_INLINE void logMessage(int level, struct __sourceloc whence, 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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vlogMessage(level, whence, fmt, ap);
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va_end(ap);
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}
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// Useful logging primitive macros.
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#define LOGF(L,F,...) logMessage(L, __WHENCE__, F, ##__VA_ARGS__)
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#define LOGF_perror(L,F,...) logMessage_perror(L, __WHENCE__, F, ##__VA_ARGS__)
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#define LOG_perror(L,X) LOGF_perror(L, "%s", (X))
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#define logMessage_perror(L,whence,F,...) (logMessage(L, whence, F ": %s [errno=%d]", ##__VA_ARGS__, strerror(errno), errno))
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#define NOWHENCE(LOGSTMT) do { const struct __sourceloc __whence = __NOWHENCE__; LOGSTMT; } while (0)
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#define FATALF(F,...) do { LOGF(LOG_LEVEL_FATAL, F, ##__VA_ARGS__); abort(); exit(-1); } while (1)
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#define FATAL(X) FATALF("%s", (X))
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#define FATALF_perror(F,...) FATALF(F ": %s [errno=%d]", ##__VA_ARGS__, strerror(errno), errno)
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#define FATAL_perror(X) FATALF_perror("%s", (X))
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#define WHYF(F,...) (LOGF(LOG_LEVEL_ERROR, F, ##__VA_ARGS__), -1)
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#define WHY(X) WHYF("%s", (X))
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#define WHYFNULL(F,...) (LOGF(LOG_LEVEL_ERROR, F, ##__VA_ARGS__), NULL)
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#define WHYNULL(X) (WHYFNULL("%s", (X)))
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#define WHYF_perror(F,...) (LOGF_perror(LOG_LEVEL_ERROR, F, ##__VA_ARGS__), -1)
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#define WHY_perror(X) WHYF_perror("%s", (X))
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#define WHY_argv(X,ARGC,ARGV) logArgv(LOG_LEVEL_ERROR, __WHENCE__, (X), (ARGC), (ARGV))
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#define WARNF(F,...) LOGF(LOG_LEVEL_WARN, F, ##__VA_ARGS__)
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#define WARN(X) WARNF("%s", (X))
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#define WARNF_perror(F,...) LOGF_perror(LOG_LEVEL_WARN, F, ##__VA_ARGS__)
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#define WARN_perror(X) WARNF_perror("%s", (X))
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#define HINTF(F,...) LOGF(LOG_LEVEL_HINT, F, ##__VA_ARGS__)
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#define HINT(X) HINTF("%s", (X))
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#define HINT_argv(X,ARGC,ARGV) logArgv(LOG_LEVEL_HINT, __WHENCE__, (X), (ARGC), (ARGV))
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#define INFOF(F,...) LOGF(LOG_LEVEL_INFO, F, ##__VA_ARGS__)
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#define INFO(X) INFOF("%s", (X))
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#define DEBUGF(F,...) LOGF(LOG_LEVEL_DEBUG, F, ##__VA_ARGS__)
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#define DEBUG(X) DEBUGF("%s", (X))
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#define DEBUGF_perror(F,...) LOGF_perror(LOG_LEVEL_DEBUG, F, ##__VA_ARGS__)
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#define DEBUG_perror(X) DEBUGF_perror("%s", (X))
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#define D (DEBUG("D"), 1)
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#define T (config.debug.trace ? DEBUG("T") : 1)
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#define DEBUG_argv(X,ARGC,ARGV) logArgv(LOG_LEVEL_DEBUG, __WHENCE__, (X), (ARGC), (ARGV))
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#define dump(X,A,N) logDump(LOG_LEVEL_DEBUG, __WHENCE__, (X), (const unsigned char *)(A), (size_t)(N))
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#define BACKTRACE logBacktrace(LOG_LEVEL_FATAL, __WHENCE__)
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// Utility functions, defined in terms of above primitives.
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void logArgv(int level, struct __sourceloc whence, const char *label, int argc, const char *const *argv);
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int logDump(int level, struct __sourceloc whence, char *name, const unsigned char *addr, size_t len);
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void logString(int level, struct __sourceloc whence, const char *str);
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#endif // __SERVAL_DNA__LOG_H
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