add pre-pre-alpha

2026-03-20 08:41:03 +03:00 · 2026-02-27 12:05:40 +03:00
parent 31752b58cc
commit 54778dcf9a
18 changed files with 1103 additions and 0 deletions
--- a/Daemons/weatherdaemon_multimeteo/main.c
+++ b/Daemons/weatherdaemon_multimeteo/main.c
@@ -0,0 +1,92 @@
+/*
+ * This file is part of the weatherdaemon project.
+ * Copyright 2025 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/wait.h> // wait
+#include <sys/prctl.h> //prctl
+#include <usefull_macros.h>
+
+#include "cmdlnopts.h"
+#include "sensors.h"
+#include "server.h"
+
+static pid_t childpid = 0;
+
+void signals(int signo){
+    if(childpid){
+        LOGERR("Killed with status %d", signo);
+        closeplugins();
+        kill_servers();
+        usleep(1000); // let child close everything before dead
+    }else{
+        LOGERR("Main process exits with status %d", signo);
+    }
+    exit(signo);
+}
+
+extern const char *__progname;
+
+int main(int argc, char **argv){
+    glob_pars *GP = NULL;
+    sl_init();
+    signal(SIGTERM, signals); // kill (-15) - quit
+    signal(SIGHUP, SIG_IGN);  // hup - ignore
+    signal(SIGINT, signals);  // ctrl+C - quit
+    signal(SIGQUIT, signals); // ctrl+\ - quit
+    signal(SIGTSTP, SIG_IGN); // ignore ctrl+Z
+    GP = parse_args(argc, argv);
+    if(!GP) ERRX("Error parsing args");
+    if(!GP->sockname) ERRX("Point command socket name");
+    if(GP->logfile){
+        sl_loglevel_e lvl = LOGLEVEL_ERR + GP->verb;
+        if(lvl >= LOGLEVEL_AMOUNT) lvl = LOGLEVEL_AMOUNT - 1;
+        DBG("Loglevel: %d", lvl);
+        if(!OPENLOG(GP->logfile, lvl, 1)) ERRX("Can't open log file");
+        LOGMSG("Started");
+    }
+    int nopened = openplugins(GP->plugins, GP->nplugins);
+    if(nopened < 1){
+        LOGERR("No plugins found; exit!");
+        ERRX("Can't find any sensor plugin");
+    }
+    if(GP->nplugins && GP->nplugins != nopened) LOGWARN("Work without some plugins");
+    #ifndef EBUG
+    sl_check4running((char*)__progname, GP->pidfile);
+    while(1){ // guard for dead processes
+        childpid = fork();
+        if(childpid){
+            LOGDBG("create child with PID %d\n", childpid);
+            DBG("Created child with PID %d\n", childpid);
+            wait(NULL);
+            WARNX("Child %d died\n", childpid);
+            LOGWARN("Child %d died\n", childpid);
+            sleep(1);
+        }else{
+            prctl(PR_SET_PDEATHSIG, SIGTERM); // send SIGTERM to child when parent dies
+            break; // go out to normal functional
+        }
+    }
+    #endif
+    if(!start_servers(GP->port, GP->sockname)) ERRX("Can't run server's threads");
+    while(1);
+    //WARNX("TEST ends");
+    //signals(0);
+    return 0; // never reached
+}