X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Funixsock.c;h=d729477bbc54db999322dedfe581834dc9725c21;hb=6e0ffb3d9edba6a4b819ace076aea0e9b5fcea51;hp=be36abc8c8f9bbb339c6557b701e41f4c62a61cd;hpb=e21d0408e4e4001b8c66bb1ea7d41b890100d0f5;p=collectd.git

diff --git a/src/unixsock.c b/src/unixsock.c
index be36abc8..d729477b 100644
--- a/src/unixsock.c
+++ b/src/unixsock.c
@@ -26,7 +26,6 @@
 
 #include "utils_cmd_flush.h"
 #include "utils_cmd_getval.h"
-#include "utils_cmd_getthreshold.h"
 #include "utils_cmd_listval.h"
 #include "utils_cmd_putval.h"
 #include "utils_cmd_putnotif.h"
@@ -54,7 +53,8 @@ static const char *config_keys[] =
 {
 	"SocketFile",
 	"SocketGroup",
-	"SocketPerms"
+	"SocketPerms",
+	"DeleteSocket"
 };
 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
 
@@ -65,6 +65,7 @@ static int   sock_fd    = -1;
 static char *sock_file  = NULL;
 static char *sock_group = NULL;
 static int   sock_perms = S_IRWXU | S_IRWXG;
+static _Bool delete_socket = 0;
 
 static pthread_t listen_thread = (pthread_t) 0;
 
@@ -89,10 +90,27 @@ static int us_open_socket (void)
 	sa.sun_family = AF_UNIX;
 	sstrncpy (sa.sun_path, (sock_file != NULL) ? sock_file : US_DEFAULT_PATH,
 			sizeof (sa.sun_path));
-	/* unlink (sa.sun_path); */
 
 	DEBUG ("unixsock plugin: socket path = %s", sa.sun_path);
 
+	if (delete_socket)
+	{
+		errno = 0;
+		status = unlink (sa.sun_path);
+		if ((status != 0) && (errno != ENOENT))
+		{
+			char errbuf[1024];
+			WARNING ("unixsock plugin: Deleting socket file \"%s\" failed: %s",
+					sa.sun_path,
+					sstrerror (errno, errbuf, sizeof (errbuf)));
+		}
+		else if (status == 0)
+		{
+			INFO ("unixsock plugin: Successfully deleted socket file \"%s\".",
+					sa.sun_path);
+		}
+	}
+
 	status = bind (sock_fd, (struct sockaddr *) &sa, sizeof (sa));
 	if (status != 0)
 	{
@@ -158,32 +176,45 @@ static int us_open_socket (void)
 
 static void *us_handle_client (void *arg)
 {
-	int fd;
+	int fdin;
+	int fdout;
 	FILE *fhin, *fhout;
 
-	fd = *((int *) arg);
+	fdin = *((int *) arg);
 	free (arg);
 	arg = NULL;
 
-	DEBUG ("unixsock plugin: us_handle_client: Reading from fd #%i", fd);
+	DEBUG ("unixsock plugin: us_handle_client: Reading from fd #%i", fdin);
+
+	fdout = dup (fdin);
+	if (fdout < 0)
+	{
+		char errbuf[1024];
+		ERROR ("unixsock plugin: dup failed: %s",
+				sstrerror (errno, errbuf, sizeof (errbuf)));
+		close (fdin);
+		pthread_exit ((void *) 1);
+	}
 
-	fhin  = fdopen (fd, "r");
+	fhin  = fdopen (fdin, "r");
 	if (fhin == NULL)
 	{
 		char errbuf[1024];
 		ERROR ("unixsock plugin: fdopen failed: %s",
 				sstrerror (errno, errbuf, sizeof (errbuf)));
-		close (fd);
+		close (fdin);
+		close (fdout);
 		pthread_exit ((void *) 1);
 	}
 
-	fhout = fdopen (fd, "w");
+	fhout = fdopen (fdout, "w");
 	if (fhout == NULL)
 	{
 		char errbuf[1024];
 		ERROR ("unixsock plugin: fdopen failed: %s",
 				sstrerror (errno, errbuf, sizeof (errbuf)));
-		fclose (fhin); /* this closes fd as well */
+		fclose (fhin); /* this closes fdin as well */
+		close (fdout);
 		pthread_exit ((void *) 1);
 	}
 
@@ -231,21 +262,18 @@ static void *us_handle_client (void *arg)
 
 		fields_num = strsplit (buffer_copy, fields,
 				sizeof (fields) / sizeof (fields[0]));
-
 		if (fields_num < 1)
 		{
-			close (fd);
-			break;
+			fprintf (fhout, "-1 Internal error\n");
+			fclose (fhin);
+			fclose (fhout);
+			pthread_exit ((void *) 1);
 		}
 
 		if (strcasecmp (fields[0], "getval") == 0)
 		{
 			handle_getval (fhout, buffer);
 		}
-		else if (strcasecmp (fields[0], "getthreshold") == 0)
-		{
-			handle_getthreshold (fhout, buffer);
-		}
 		else if (strcasecmp (fields[0], "putval") == 0)
 		{
 			handle_putval (fhout, buffer);
@@ -378,6 +406,13 @@ static int us_config (const char *key, const char *val)
 	{
 		sock_perms = (int) strtol (val, NULL, 8);
 	}
+	else if (strcasecmp (key, "DeleteSocket") == 0)
+	{
+		if (IS_TRUE (val))
+			delete_socket = 1;
+		else
+			delete_socket = 0;
+	}
 	else
 	{
 		return (-1);