Reload strlist and iplist resource-files only when needed.
[apps/pfixtools.git] / common / common.h
index 03d2fbb..af393e5 100644 (file)
 
 #include "mem.h"
 
-
 #define __tostr(x)  #x
 #define STR(x)      __tostr(x)
 
 typedef int  (*initcall_t)(void);
 typedef void (*exitcall_t)(void);
 
-#define __init __attribute__((__used__,__section__(".mad.init")))
-#define __exit __attribute__((__used__,__section__(".mad.exit")))
+void common_register_exit(exitcall_t exitcall);
+void common_init(void);
 
-#define module_init(fn)  static __init initcall_t __init_##fn = fn;
-#define module_exit(fn)  static __exit exitcall_t __exit_##fn = fn;
+#define module_init(fn)                                                        \
+    __attribute__((constructor,used))                                          \
+    static void __init_wrapper__ ## fn (void) {                                \
+        common_init();                                                         \
+        if (fn() != 0) {                                                       \
+            exit(-1);                                                          \
+        }                                                                      \
+    }
+#define module_exit(fn)                                                        \
+    __attribute__((constructor,used))                                          \
+    static void __exit_wrapper ## fn(void) {                                   \
+        common_init();                                                         \
+        common_register_exit(fn);                                              \
+    }
 
-#define __log(Level, Fmt, ...)                                    \
-    if (log_level >= Level) {                                     \
-        syslog(Level, Fmt, ##__VA_ARGS__);                        \
+#define likely(expr)    __builtin_expect((expr) != 0, 1)
+#define unlikely(expr)  __builtin_expect((expr) != 0, 0)
+
+#define __level_name(L)                                            \
+  ( (L) == LOG_DEBUG   ? "debug "                                  \
+  : (L) == LOG_NOTICE  ? "notice"                                  \
+  : (L) == LOG_INFO    ? "info  "                                  \
+  : (L) == LOG_WARNING ? "warn  "                                  \
+  : (L) == LOG_ERR     ? "error "                                  \
+  : (L) == LOG_CRIT    ? "crit  "                                  \
+  : (L) == LOG_ALERT   ? "alert "                                  \
+  : "???   " )
+
+#define __log(Level, Fmt, ...)                                     \
+    if (log_level >= Level) {                                      \
+        if (log_syslog) {                                          \
+            syslog(Level, "%s" Fmt, log_state, ##__VA_ARGS__);     \
+        } else {                                                   \
+            fprintf(stderr, "[%s] %s" Fmt "\n",                    \
+                    __level_name(Level), log_state, ##__VA_ARGS__);\
+        }                                                          \
     }
 
 #define debug(Fmt, ...)  __log(LOG_DEBUG,   Fmt, ##__VA_ARGS__)
@@ -87,12 +116,13 @@ typedef void (*exitcall_t)(void);
 #define UNIXERR(fun)     err("%s:%d:%s %s: %m",                      \
                              __FILE__, __LINE__, __func__, fun)
 
-extern sig_atomic_t sigint;
-extern sig_atomic_t sighup;
 extern int          log_level;
+extern bool         log_syslog;
+extern const char  *log_state;
 
 void common_sighandler(int sig);
 
+int setnonblock(int sock);
 int tcp_bind(const struct sockaddr *addr, socklen_t len);
 int tcp_listen(const struct sockaddr *addr, socklen_t len);
 int tcp_listen_nonblock(const struct sockaddr *addr, socklen_t len);
@@ -108,16 +138,19 @@ int pidfile_refresh(void);
 int common_setup(const char* pidfile, bool unsafe, const char* runas_user,
                  const char* runas_group, bool daemonize);
 
+static inline void common_startup(void)
+{
+    signal(SIGPIPE, SIG_IGN);
+    signal(SIGSEGV, &common_sighandler);
+}
+
+
 #define DECLARE_MAIN                                              \
     static int main_initialize(void)                              \
     {                                                             \
+        log_syslog = true;                                        \
         openlog(DAEMON_NAME, LOG_PID, LOG_MAIL);                  \
-        signal(SIGPIPE, SIG_IGN);                                 \
-        signal(SIGINT,  &common_sighandler);                      \
-        signal(SIGTERM, &common_sighandler);                      \
-        signal(SIGHUP,  &common_sighandler);                      \
-        signal(SIGSEGV, &common_sighandler);                      \
-        info("starting...");                                      \
+        common_startup();                                         \
         return 0;                                                 \
     }                                                             \
                                                                   \