void cChildProcess::OnChildRun()
{
if (changeProcessName) prename_setproctitle("%s", "postfix_edm_client child");
//kill -s USR1 pid 或者 kill -n 12 pid 或者 kill -12 pid 或者 kill -USR1 pid 参看 kill
signal(SIGUSR1, sigUsr1Handler);
signal(SIGCHLD, SIG_DFL);
//工作子进程
//INIT_RDONLY_SHMAT
uint16_t delay = 0;
mail_info_t *mail_info_ptr = NULL;
while (true) {
if (child_quit || getppid() == 1) {
exit(SIGUSR1);
}
if (CHECK_CAN_START(shm_ptr)) {
shm_ptr->childLock.Lock();
pullSentInfoFromMysql();
shm_ptr->havePushNum += send_mail_queue.size();
shm_ptr->childLock.Unlock();
if (!send_mail_queue.empty()) {
//有数据的话
while (!send_mail_queue.empty()) {
mail_info_ptr = send_mail_queue.front();
send_mail_queue.pop();
_sendMail->send(mail_info_ptr);
free_mail_info(mail_info_ptr);
}
delay = shm_ptr->delay;
if (delay) {
sleep(delay);
}
} else {
cWorker::instance->done();
shm_ptr->consumeLock.Lock();
COND_LOCK_NOTIFYALL(shm_ptr->productLock)
shm_ptr->consumeLock.wait();
shm_ptr->consumeLock.Unlock();
}
} else {
shm_ptr->commandLock.Lock();
shm_ptr->commandLock.wait();
shm_ptr->commandLock.Unlock();
}
}
}
void *send_the_mail(
void *vp)
{
mail_info *mi = (mail_info *)vp;
int i;
const char *mailfrom = NULL;
const char *subjectfmt = NULL;
char *bodyfmt = NULL;
char *cmdbuf = NULL;
char bodyfmtbuf[MAXLINE];
FILE *outmail;
/* Who is mail from, if SRV_ATR_mailfrom not set use default */
get_svr_attr_str(SRV_ATR_mailfrom, (char **)&mailfrom);
if (mailfrom == NULL)
{
if (LOGLEVEL >= 5)
{
char tmpBuf[LOG_BUF_SIZE];
snprintf(tmpBuf,sizeof(tmpBuf),
"Updated mailto from user list: '%s'\n",
mi->mailto);
log_event(PBSEVENT_ERROR | PBSEVENT_ADMIN | PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
mi->jobid,
tmpBuf);
}
mailfrom = PBS_DEFAULT_MAIL;
}
/* mail subject line formating statement */
get_svr_attr_str(SRV_ATR_MailSubjectFmt, (char **)subjectfmt);
if (subjectfmt == NULL)
{
subjectfmt = "PBS JOB %i";
}
/* mail body formating statement */
get_svr_attr_str(SRV_ATR_MailBodyFmt, &bodyfmt);
if (bodyfmt == NULL)
{
bodyfmt = strcpy(bodyfmtbuf, "PBS Job Id: %i\n"
"Job Name: %j\n");
if (mi->exec_host != NULL)
{
strcat(bodyfmt, "Exec host: %h\n");
}
strcat(bodyfmt, "%m\n");
if (mi->text != NULL)
{
strcat(bodyfmt, "%d\n");
}
}
/* setup sendmail command line with -f from_whom */
i = strlen(SENDMAIL_CMD) + strlen(mailfrom) + strlen(mi->mailto) + 6;
if ((cmdbuf = (char *)calloc(1, i + 1)) == NULL)
{
char tmpBuf[LOG_BUF_SIZE];
snprintf(tmpBuf,sizeof(tmpBuf),
"Unable to popen() command '%s' for writing: '%s' (error %d)\n",
SENDMAIL_CMD,
strerror(errno),
errno);
log_event(PBSEVENT_ERROR | PBSEVENT_ADMIN | PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
mi->jobid,
tmpBuf);
free_mail_info(mi);
return(NULL);
}
sprintf(cmdbuf, "%s -f %s %s",
SENDMAIL_CMD,
mailfrom,
mi->mailto);
outmail = popen(cmdbuf, "w");
if (outmail == NULL)
{
char tmpBuf[LOG_BUF_SIZE];
snprintf(tmpBuf,sizeof(tmpBuf),
"Unable to popen() command '%s' for writing: '%s' (error %d)\n",
cmdbuf,
strerror(errno),
errno);
log_event(PBSEVENT_ERROR | PBSEVENT_ADMIN | PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
mi->jobid,
tmpBuf);
free_mail_info(mi);
free(cmdbuf);
return(NULL);
}
/* Pipe in mail headers: To: and Subject: */
fprintf(outmail, "To: %s\n", mi->mailto);
fprintf(outmail, "Subject: ");
svr_format_job(outmail, mi, subjectfmt);
fprintf(outmail, "\n");
/* Set "Precedence: bulk" to avoid vacation messages, etc */
fprintf(outmail, "Precedence: bulk\n\n");
/* Now pipe in the email body */
svr_format_job(outmail, mi, bodyfmt);
errno = 0;
if ((i = pclose(outmail)) != 0)
{
char tmpBuf[LOG_BUF_SIZE];
snprintf(tmpBuf,sizeof(tmpBuf),
"Email '%c' to %s failed: Child process '%s' %s %d (errno %d:%s)\n",
mi->mail_point,
mi->mailto,
cmdbuf,
((WIFEXITED(i)) ? ("returned") : ((WIFSIGNALED(i)) ? ("killed by signal") : ("croaked"))),
((WIFEXITED(i)) ? (WEXITSTATUS(i)) : ((WIFSIGNALED(i)) ? (WTERMSIG(i)) : (i))),
errno,
strerror(errno));
log_event(PBSEVENT_ERROR | PBSEVENT_ADMIN | PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
mi->jobid,
tmpBuf);
}
else if (LOGLEVEL >= 4)
{
log_event(PBSEVENT_ERROR | PBSEVENT_ADMIN | PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
mi->jobid,
"Email sent successfully\n");
}
free_mail_info(mi);
free(cmdbuf);
return(NULL);
} /* END send_the_mail() */
