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Use recent libevent features when possible

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svn:r3940
This commit is contained in:
Nick Mathewson 2005-04-01 02:37:40 +00:00
parent 837d7dff69
commit efe9ca659a
5 changed files with 51 additions and 2 deletions
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2
configure.in
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@ -152,7 +152,7 @@ dnl These headers are not essential
AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h pthread.h stddef.h inttypes.h)
AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam ftello pthread_create getaddrinfo localtime_r gmtime_r)
AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam ftello pthread_create getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback)
AC_FUNC_FSEEKO
AC_CHECK_MEMBERS([struct timeval.tv_sec])

34
src/common/log.c
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@ -17,6 +17,12 @@ const char log_c_id[] = "$Id$";
#include "./util.h"
#include "./log.h"
#ifdef HAVE_EVENT_H
#include <event.h>
#else
#error "Tor requires libevent to build."
#endif
#define TRUNCATED_STR "[...truncated]"
#define TRUNCATED_STR_LEN 14
@ -475,3 +481,31 @@ void switch_logs_debug(void)
}
}
#ifdef HAVE_EVENT_SET_LOG_CALLBACK
void libevent_logging_callback(int severity, const char *msg)
{
switch (severity) {
case _EVENT_LOG_DEBUG:
log(LOG_DEBUG, "Message from libevent: %s", msg);
break;
case _EVENT_LOG_MSG:
log(LOG_INFO, "Message from libevent: %s", msg);
break;
case _EVENT_LOG_WARN:
log(LOG_WARN, "Warning from libevent: %s", msg);
break;
case _EVENT_LOG_ERR:
log(LOG_ERR, "Error from libevent: %s", msg);
break;
default:
log(LOG_WARN, "Message [%d] from libevent: %s", severity, msg);
break;
}
}
void configure_libevent_logging(void)
{
event_set_log_callback(libevent_logging_callback);
}
#else
void configure_libevent_logging(void) {}
#endif

1
src/common/log.h
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@ -66,6 +66,7 @@ void reset_logs(void);
void add_temp_log(void);
void close_temp_logs(void);
void mark_logs_temp(void);
void configure_libevent_logging(void);
/* Outputs a message to stdout */
void _log(int severity, const char *format, ...) CHECK_PRINTF(2,3);

9
src/or/config.c
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@ -269,7 +269,16 @@ options_act(void) {
start_daemon(options->DataDirectory);
}
if (!libevent_initialized) {
configure_libevent_logging();
event_init();
#if defined(HAVE_EVENT_GET_VERSION) && defined(HAVE_EVENT_GET_METHOD)
/* Making this a NOTICE for now so we can link bugs to a libevent versions
* or methods better. */
log_fn(LOG_NOTICE, "Initialized libevent version %s using method %s",
event_get_version(), event_get_method());
#else
log_fn(LOG_NOTICE, "Initialized old libevent (version 1.0b or earlier)");
#endif
libevent_initialized = 1;
}

7
src/or/main.c
View File

@ -953,8 +953,13 @@ static int do_main_loop(void) {
int e = errno;
/* let the program survive things like ^z */
if (e != EINTR) {
log_fn(LOG_ERR,"event poll failed: %s [%d]",
#ifdef HAVE_EVENT_GET_METHOD
log_fn(LOG_ERR,"libevent poll with %s failed: %s [%d]",
event_get_method(), tor_socket_strerror(e), e);
#else
log_fn(LOG_ERR,"libevent poll failed: %s [%d]",
tor_socket_strerror(e), e);
#endif
return -1;
} else {
log_fn(LOG_DEBUG,"event poll interrupted.");