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/**
* match a subject using PCRE
* return 0 - success, -1 -- failed
*/
int pcre_match(pcre_obj_t* _this, char* subject,
unsigned int subject_len, void** pptag)
{
int result;
if (_this->threads_count > 1){
pthread_rwlock_rdlock(&_this->rwlock);
}
*pptag = NULL;
/*build subject buff include end 0*/
char* sharesubject;
sharesubject = (char*)malloc(subject_len + 2);
if (sharesubject == NULL) goto clean;
memcpy(sharesubject, subject, subject_len);
sharesubject[subject_len] = '\0';
sharesubject[subject_len+1] = '\0';
/*do match using matcher*/
if (_this->threads_count > 1){
/*enable all thread to work*/
int threadcnt = set_running_thread_match_param(_this->matcher_list,
sharesubject, subject_len, pptag);
threadcnt--; /* reduce main thread's share */
msg_log_debug("let all matcher to work for master, subject address:%x, len%d.", sharesubject, subject_len);
do{
result = semset_set(_this->semid, TASK_FINISH_SEM_IDX, 0);
}while(result == -1 && (errno == EAGAIN || errno == EINTR));
if (result == -1 && !(errno == EAGAIN || errno == EINTR)){
msg_log_warn("Unexpected error on set signal[%d].", errno);
}
do{
result = semset_set(_this->semid, TASK_START_SEMIDX, threadcnt);
}while(result == -1 && (errno == EAGAIN || errno == EINTR));
if (result == -1 && !(errno == EAGAIN || errno == EINTR)){
msg_log_warn("Unexpected error on set signal[%d].", errno);
}
/* do main thread's share */
_this->matcher_list->match_result = pcre_match_item(
_this->matcher_list->pattern_list,
_this->matcher_list->subject,
_this->matcher_list->subject_len,
_this->matcher_list->pptag);
/* wait all threads to finish their share */
msg_log_debug("wait all work matcher threads finish single...");
do{
semset_wait(_this->semid, TASK_FINISH_SEM_IDX, 1, threadcnt);
}while(result == -1 && (errno == EAGAIN || errno == EINTR));
if (result == -1 && !(errno == EAGAIN || errno == EINTR)){
msg_log_warn("Unexpected error on set signal[%d].", errno);
}
msg_log_debug("all matcher has finished work.");
result = get_match_result(_this->matcher_list, pptag);
}else{
result = pcre_match_item(_this->matcher_list->pattern_list,
sharesubject, subject_len, pptag);
}
clean:
if (_this->threads_count > 1){
pthread_rwlock_unlock(&_this->rwlock);
}
if (sharesubject != NULL) free(sharesubject);
return result;
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <windows.h>
#include <io.h>
#else
#include <unistd.h>
#include <sys/time.h>
#include <pthread.h>
#define CRITICAL_SECTION pthread_mutex_t
#define _vsnprintf vsnprintf
#endif
//Log{
#define MAXLOGSIZE 100000000
#define ARRSIZE(x) (sizeof(x)/sizeof(x[0]))
#include <time.h>
#include <stdarg.h>
char logfilename1[]="MyLog1.log";
char logfilename2[]="MyLog2.log";
char logstr[16000];
char datestr[16];
char timestr[16];
char ms10[3];
CRITICAL_SECTION cs_log;
FILE *flog;
int centisec() {
#ifdef WIN32
return ((GetTickCount()%1000L)/10)%100;
#else
struct timeval tv;
if (!gettimeofday(&tv,NULL)) {
return ((tv.tv_usec%1000000L)/10000)%100;
} else {
return 0;
}
#endif
}
#ifdef WIN32
void Lock(CRITICAL_SECTION *l) {
EnterCriticalSection(l);
}
void Unlock(CRITICAL_SECTION *l) {
LeaveCriticalSection(l);
}
#else
void Lock(CRITICAL_SECTION *l) {
pthread_mutex_lock(l);
}
void Unlock(CRITICAL_SECTION *l) {
pthread_mutex_unlock(l);
}
#endif
void LogV(const char *pszFmt,va_list argp) {
struct tm *now;
time_t aclock;
if (NULL==pszFmt||0==pszFmt[0]) return;
if (-1==_vsnprintf(logstr,ARRSIZE(logstr),pszFmt,argp)) logstr[ARRSIZE(logstr)-1]=0;
time(&aclock);
now=localtime(&aclock);
sprintf(datestr,"%04d-%02d-%02d",now->tm_year+1900,now->tm_mon+1,now->tm_mday);
sprintf(timestr,"%02d:%02d:%02d",now->tm_hour ,now->tm_min ,now->tm_sec );
sprintf(ms10,"%02d",centisec());
printf("%s %s.%s %s",datestr,timestr,ms10,logstr);
flog=fopen(logfilename1,"a");
if (NULL!=flog) {
fprintf(flog,"%s %s.%s %s",datestr,timestr,ms10,logstr);
if (ftell(flog)>MAXLOGSIZE) {
fclose(flog);
if (rename(logfilename1,logfilename2)) {
remove(logfilename2);
rename(logfilename1,logfilename2);
}
flog=fopen(logfilename1,"a");
if (NULL==flog) return;
}
fclose(flog);
}
}
void Log(const char *pszFmt,...) {
va_list argp;
Lock(&cs_log);
va_start(argp,pszFmt);
LogV(pszFmt,argp);
va_end(argp);
Unlock(&cs_log);
}
//Log}
int main(int argc,char * argv[]) {
int i;
#ifdef WIN32
InitializeCriticalSection(&cs_log);
#else
pthread_mutex_init(&cs_log,NULL);
#endif
for (i=0;i<10000;i++) {
Log("This is a Log %04d from FILE:%s LINE:%d\n",i, __FILE__, __LINE__);
}
#ifdef WIN32
DeleteCriticalSection(&cs_log);
#else
pthread_mutex_destroy(&cs_log);
#endif
return 0;
}