logging: Persistent children include pid in their log messages

[secnet] / log.c

diff --git a/log.c b/log.c
index cbe4a85bf013fd8d2c432ba510b1f9ac301bb1d6..d8b5151132755d417ccb44cccc04a548732a8939 100644 (file)
--- a/log.c
+++ b/log.c
@@ -288,6 +288,7 @@ struct logfile {
     string_t logfile;
     uint32_t level;
     FILE *f;
     string_t logfile;
     uint32_t level;
     FILE *f;

+    bool_t forked;

 };
 
 static cstring_t months[]={
 };
 
 static cstring_t months[]={


@@ -299,19 +300,29 @@ static void logfile_vlog(void *sst, int class, const char *message,
     struct logfile *st=sst;
     time_t t;
     struct tm *tm;
     struct logfile *st=sst;
     time_t t;
     struct tm *tm;

+    char pidbuf[20];
+
+    if (st->forked) {
+       pid_t us=getpid();
+       snprintf(pidbuf,sizeof(pidbuf),"[%ld] ",(long)us);
+    } else {
+       pidbuf[0]=0;
+    }

 
     if (secnet_is_daemon && st->f) {
        if (class&st->level) {
            t=time(NULL);
            tm=localtime(&t);
 
     if (secnet_is_daemon && st->f) {
        if (class&st->level) {
            t=time(NULL);
            tm=localtime(&t);

-           fprintf(st->f,"%s %2d %02d:%02d:%02d ",
+           fprintf(st->f,"%s %2d %02d:%02d:%02d %s",

                    months[tm->tm_mon],tm->tm_mday,tm->tm_hour,tm->tm_min,
                    months[tm->tm_mon],tm->tm_mday,tm->tm_hour,tm->tm_min,

-                   tm->tm_sec);
+                   tm->tm_sec,
+                   pidbuf);

            vfprintf(st->f,message,args);
            fprintf(st->f,"\n");
            fflush(st->f);
        }
     } else {
            vfprintf(st->f,message,args);
            fprintf(st->f,"\n");
            fflush(st->f);
        }
     } else {

+       if (pidbuf[0]) MessageFallback(class,"%s",pidbuf);

        vMessageFallback(class,message,args);
        MessageFallback(class,"\n");
     }
        vMessageFallback(class,message,args);
        MessageFallback(class,"\n");
     }


@@ -357,6 +368,12 @@ static void logfile_phase_hook(void *sst, uint32_t new_phase)
     }
 }
 
     }
 }
 

+static void logfile_childpersist_hook(void *sst, uint32_t new_phase)
+{
+    struct logfile *st=sst;
+    st->forked=1;
+}
+

 static struct flagstr message_class_table[]={
     { "debug-config", M_DEBUG_CONFIG },
     { "debug-phase", M_DEBUG_PHASE },
 static struct flagstr message_class_table[]={
     { "debug-config", M_DEBUG_CONFIG },
     { "debug-phase", M_DEBUG_PHASE },


@@ -395,6 +412,7 @@ static list_t *logfile_apply(closure_t *self, struct cloc loc, dict_t *context,
     st->ops.buff[0]=0;
     st->loc=loc;
     st->f=NULL;
     st->ops.buff[0]=0;
     st->loc=loc;
     st->f=NULL;

+    st->forked=0;

 
     item=list_elem(args,0);
     if (!item || item->type!=t_dict) {
 
     item=list_elem(args,0);
     if (!item || item->type!=t_dict) {


@@ -407,6 +425,7 @@ static list_t *logfile_apply(closure_t *self, struct cloc loc, dict_t *context,
                                       message_class_table,"logfile");
 
     add_hook(PHASE_GETRESOURCES,logfile_phase_hook,st);
                                       message_class_table,"logfile");
 
     add_hook(PHASE_GETRESOURCES,logfile_phase_hook,st);

+    add_hook(PHASE_CHILDPERSIST,logfile_childpersist_hook,st);

 
     return new_closure(&st->cl);
 }
 
     return new_closure(&st->cl);
 }


@@ -483,7 +502,9 @@ static void syslog_phase_hook(void *sst, uint32_t newphase)
     struct syslog *st=sst;
 
     if (background) {
     struct syslog *st=sst;
 
     if (background) {

-       openlog(st->ident,0,st->facility);
+       openlog(st->ident,
+               newphase==PHASE_CHILDPERSIST ? LOG_PID : 0,
+               st->facility);

        st->open=True;
     }
 }
        st->open=True;
     }
 }


@@ -516,6 +537,7 @@ static list_t *syslog_apply(closure_t *self, struct cloc loc, dict_t *context,
                                syslog_facility_table,"syslog");
     st->open=False;
     add_hook(PHASE_GETRESOURCES,syslog_phase_hook,st);
                                syslog_facility_table,"syslog");
     st->open=False;
     add_hook(PHASE_GETRESOURCES,syslog_phase_hook,st);

+    add_hook(PHASE_CHILDPERSIST,syslog_phase_hook,st);

 
     return new_closure(&st->cl);
 }    
 
     return new_closure(&st->cl);
 }