Add some usefull functions from lib SOFA

Daemons/teldaemon/main.c

@@ -20,8 +20,9 @@
  */
 #include "usefull_macros.h"
 #include <signal.h>
-#include <sys/wait.h> // wait
+#include <sys/wait.h>  // wait
 #include <sys/prctl.h> //prctl
+#include <time.h>      // time
 #include "cmdlnopts.h"
 #include "socket.h"
 
@@ -29,10 +30,13 @@
 
 glob_pars *GP;
 
+pid_t childpid = 0;
+
 void signals(int signo){
-    restore_console();
-    restore_tty();
-    putlog("exit with status %d", signo);
+    if(childpid){ // parent process
+        restore_tty();
+        putlog("exit with status %d", signo);
+    }
     exit(signo);
 }
 
@@ -56,13 +60,16 @@ int main(int argc, char **argv){
     if(daemon(1, 0)){
         ERR("daemon()");
     }
+    time_t lastd = 0;
     while(1){ // guard for dead processes
-        pid_t childpid = fork();
+        childpid = fork();
         if(childpid){
-            putlog("create child with PID %d\n", childpid);
             DBG("Created child with PID %d\n", childpid);
             wait(NULL);
-            putlog("child %d died\n", childpid);
+            time_t t = time(NULL);
+            if(t - lastd > 600) // at least 10 minutes of work
+                putlog("child %d died\n", childpid);
+            lastd = t;
             WARNX("Child %d died\n", childpid);
             sleep(1);
         }else{
@@ -74,9 +81,9 @@ int main(int argc, char **argv){
 
     if(GP->device) try_connect(GP->device);
     if(ping()){
-        putlog("Can't write command PING");
         ERRX(_("Can't write command PING"));
     }
+    putlog("Child %d connected to %s", getpid(), GP->device);
     daemonize(GP->port);
     signals(0); // newer reached
     return 0;

Daemons/teldaemon/term.c

@@ -75,7 +75,6 @@ void try_connect(char *device){
     fflush(stdout);
     tty_init(device);
     read_tty(tmpbuf, 4096); // clear rbuf
-    putlog("Connected to %s", device);
     DBG("connected");
 }
 

Daemons/teldaemon/usefull_macros.c

@@ -390,9 +390,8 @@ int str2double(double *num, const char *str){
     return TRUE;
 }
 
-FILE *Flog = NULL; // log file descriptor
-char *logname = NULL;
-time_t log_open_time = 0;
+static FILE *Flog = NULL; // log file descriptor
+static char *logname = NULL;
 /**
  * Try to open log file
  * if failed show warning message
@@ -407,7 +406,6 @@ void openlogfile(char *name){
         WARN(_("Can't open log file"));
         return;
     }
-    log_open_time = time(NULL);
     logname = name;
 }
 
@@ -417,15 +415,6 @@ void openlogfile(char *name){
 int putlog(const char *fmt, ...){
     if(!Flog) return 0;
     time_t t_now = time(NULL);
-    if(t_now - log_open_time > 86400){ // rotate log
-        fprintf(Flog, "\n\t\t%sRotate log\n", ctime(&t_now));
-        fclose(Flog);
-        char newname[PATH_MAX];
-        snprintf(newname, PATH_MAX, "%s.old", logname);
-        if(rename(logname, newname)) WARN("rename()");
-        openlogfile(logname);
-        if(!Flog) return 0;
-    }
     int i = fprintf(Flog, "\n\t\t%s", ctime(&t_now));
     va_list ar;
     va_start(ar, fmt);