syslog-356.200.4.tar.gz

[apple/syslog.git] / syslogd.tproj / bsd_in.c

diff --git a/syslogd.tproj/bsd_in.c b/syslogd.tproj/bsd_in.c
index 9b8a0a08e8453e1207984db9cb00c1a573a830c7..a1beed77e472c3249422e220c18a74276f7bc715 100644 (file)
--- a/syslogd.tproj/bsd_in.c
+++ b/syslogd.tproj/bsd_in.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2004-2011 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -21,6 +21,8 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 
+#include <TargetConditionals.h>
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/socket.h>
@@ -39,71 +41,84 @@
 #define MAXLINE 4096
 
 static int sock = -1;
+static dispatch_source_t in_src;
+static dispatch_queue_t in_queue;
 
-asl_msg_t *
+void
 bsd_in_acceptmsg(int fd)
 {
        uint32_t len;
        int n;
-       char line[MAXLINE + 1];
+       char line[MAXLINE];
        struct sockaddr_un sun;
+       asl_msg_t *m;
 
        len = sizeof(struct sockaddr_un);
        n = recvfrom(fd, line, MAXLINE, 0, (struct sockaddr *)&sun, &len);
 
-       if (n <= 0) return NULL;
+       if (n <= 0) return;
 
        line[n] = '\0';
 
-       return asl_input_parse(line, n, NULL, 0);
+       m = asl_input_parse(line, n, NULL, SOURCE_BSD_SOCKET);
+       process_message(m, SOURCE_BSD_SOCKET);
 }
 
 int
-bsd_in_init(void)
+bsd_in_init()
 {
        int rbufsize;
        int len;
        launch_data_t sockets_dict, fd_array, fd_dict;
+       static dispatch_once_t once;
+
+#if TARGET_IPHONE_SIMULATOR
+       const char *_PATH_SYSLOG_IN = getenv("IOS_SIMULATOR_SYSLOG_SOCKET");
+#endif
+
+       dispatch_once(&once, ^{
+               in_queue = dispatch_queue_create(MY_ID, NULL);
+       });
 
        asldebug("%s: init\n", MY_ID);
-       if (sock >= 0) return sock;
+       if (sock >= 0) return -1;
 
        if (global.launch_dict == NULL)
        {
-               asldebug("%s: laucnchd dict is NULL\n", MY_ID);
+               asldebug("%s: launchd dict is NULL\n", MY_ID);
                return -1;
        }
 
        sockets_dict = launch_data_dict_lookup(global.launch_dict, LAUNCH_JOBKEY_SOCKETS);
        if (sockets_dict == NULL)
        {
-               asldebug("%s: laucnchd lookup of LAUNCH_JOBKEY_SOCKETS failed\n", MY_ID);
+               asldebug("%s: launchd lookup of LAUNCH_JOBKEY_SOCKETS failed\n", MY_ID);
                return -1;
        }
 
        fd_array = launch_data_dict_lookup(sockets_dict, BSD_SOCKET_NAME);
        if (fd_array == NULL)
        {
-               asldebug("%s: laucnchd lookup of BSD_SOCKET_NAME failed\n", MY_ID);
+               asldebug("%s: launchd lookup of BSD_SOCKET_NAME failed\n", MY_ID);
                return -1;
        }
 
        len = launch_data_array_get_count(fd_array);
        if (len <= 0)
        {
-               asldebug("%s: laucnchd fd array is empty\n", MY_ID);
+               asldebug("%s: launchd fd array is empty\n", MY_ID);
                return -1;
        }
 
        if (len > 1)
        {
-               asldebug("%s: warning! laucnchd fd array has %d sockets\n", MY_ID, len);
+               asldebug("%s: warning! launchd fd array has %d sockets\n", MY_ID, len);
        }
 
        fd_dict = launch_data_array_get_index(fd_array, 0);
        if (fd_dict == NULL)
        {
-               asldebug("%s: laucnchd file discriptor array element 0 is NULL\n", MY_ID);
+               asldebug("%s: launchd file discriptor array element 0 is NULL\n", MY_ID);
                return -1;
        }
 
@@ -128,12 +143,10 @@ bsd_in_init(void)
                return -1;
        }
 
-       return aslevent_addfd(sock, ADDFD_FLAGS_LOCAL, bsd_in_acceptmsg, NULL, NULL);
-}
+       in_src = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, (uintptr_t)sock, 0, in_queue);
+       dispatch_source_set_event_handler(in_src, ^{ bsd_in_acceptmsg(sock); });
 
-int
-bsd_in_reset(void)
-{
+       dispatch_resume(in_src);
        return 0;
 }
 
@@ -142,7 +155,18 @@ bsd_in_close(void)
 {
        if (sock < 0) return 1;
 
+       dispatch_source_cancel(in_src);
+       dispatch_release(in_src);
+       in_src = NULL;
+
        close(sock);
-       unlink(_PATH_SYSLOG_IN);
+       sock = -1;
+
+       return 0;
+}
+
+int
+bsd_in_reset(void)
+{
        return 0;
 }