com a biblioteca e usando systemd

Makefile

@@ -24,14 +24,9 @@ PROGRAM_NAME=amid
 DIR_OBJ=build/
 DIR_SRC=src/
 
-ifdef systemd
-code_systemd=-DSYSTEMD=1
-lib_systemd=-lsystemd
-endif
 
-
-CFLAGS= -I $(DIR_SRC) -Wall -g $(code_systemd) -DDEBUG $(shell mariadb_config --cflags --include ) 
-LIBS = $(shell mariadb_config --libs ) $(lib_systemd) -lpthread -lami_c 
+CFLAGS= -I $(DIR_SRC) -Wall -g -DDEBUG $(shell mariadb_config --cflags --include )
+LIBS = $(shell mariadb_config --libs ) -lpthread -lami_c -lsystemd
 
 OBJ = \
 build/main.o \
@@ -84,9 +79,6 @@ $(DIR_OBJ)%.o: $(DIR_SRC)log/%.c
 $(DIR_OBJ)%.o: $(DIR_SRC)command_cli/%.c
 	$(CC) -c -o $@ $< $(CFLAGS)
 
-.PHONY:systemd
-systemd:
-	@make systemd=1
 
 install: $(PROGRAM_NAME)
 	install -d $(DESTDIR)/etc/systemd/system/

src/database/database.c

@@ -195,7 +195,7 @@ int connect_db(s_manager *smanager){
 	return 0;
 }
 
-/*! 
+/*!
  * \breif inicia a thread do banco de dados
  * \param param s_manager
  */
@@ -210,13 +210,22 @@ void *init_thread(void *param){
 	
 	connect_db(smanager);
 
+	sd_notifyf( 0,  "STATUS=Banco de dados conectado" );
+
 	if(init_stmt() == -1){
 		_exit(-1);
 	}
 
+	/* https://manpages.org/sd_notify/3
+	 * Biblioteca libsystemd-dev
+	 * comunicação com o systemd
+	 */
+	sd_notify( 0,  "READY=1" );
+
 	/* inicia as actions para receber os valores básicos para o manager */
 	action_complete(ZERO_FILL_ACTION, smanager);
 
+	sd_notifyf( 0,  "STATUS=OK" );
 	/* Loop principal thread 2 */
 	int loop = LOOP_ON;
 	while( loop == LOOP_ON){

src/main.c

@@ -123,6 +123,7 @@ void read_arguments( s_manager *smanager){
 	char *str_database_username = "database_username=\"";
 	char *str_database_password = "database_password=\"";
 
+	sd_notifyf( 0,  "STATUS=Read arguments" );
 
 	file = open( CLIENT_MANAGER_CONF, O_RDONLY );
 	if( file == -1 ){
@@ -311,11 +312,23 @@ int init_daemon(int flags){
 
 	int maxfd, fd;
 
-	switch (fork()) {
-		case -1: 
+	/* Comunicar com systemd
+	 * https://manpages.org/sd_notify/3
+	 */
+	sd_notifyf( 0,  "MAINPID=%d", getpid() );
+
+	pid_t pid_child = fork();
+	switch (pid_child) {
+		case -1:
 			return -1;
 		case 0: break;
-		default: _exit(EXIT_SUCCESS);
+		default:
+			/* https://manpages.org/sd_notify/3
+			 * Biblioteca libsystemd-dev
+			 * comunicação com o systemd que o pid principal mudou
+			 */
+			sd_notifyf( 0,  "MAINPID=%d", pid_child );
+			_exit(EXIT_SUCCESS);
 	}/* processo roda em background */
 
 	if (setsid() == -1)
@@ -353,18 +366,6 @@ int init_daemon(int flags){
 			return -1;
 	}
 
-	/* https://manpages.org/sd_notify/3
-	 * Biblioteca libsystemd-dev
-	 * comunicação com o systemd
-	 */
-	#ifdef SYSTEMD
-	int re_systemd = sd_notify( 0,  "READY=1" );
-	_LOG("SYSTEMD READY=1: %d", re_systemd);
-	pid_t pid= getpid();
-	re_systemd = sd_notifyf( 0,  "MAINPID=%d", pid );
-	_LOG("SYSTEMD MAINPID%d= %d", pid, re_systemd);
-	#endif
-
 	return 0;
 }
 
@@ -417,8 +418,10 @@ int main (int argc, char **argv){
 		}
 		attempt++;
 	}
+	sd_notifyf( 0,  "STATUS=Asterisk conectado" );
 	_NOTICE("conectado com asterisk");
 
+
 	/* Essa thread é do banco de dados */
 	pthread_create(&thread, NULL, init_thread, (void *)smanager);
 

systemd/amid.service

@@ -3,10 +3,12 @@ Description=Client asterisk AMI da SimplesIP
 After=network.target
 
 [Service]
-Type=forking
+Type=notify
 Restart=always
 RestartSec=2
 ExecStart=/usr/sbin/amid
+NotifyAccess=main
+TimeoutStartSec=25
 
 [Install]
 WantedBy=multi-user.target