[dm-devel] [PATCH 20/35] multipathd: move uxsock_trigger() to uxlsnr.c

[mwilck at suse.com]

From: Martin Wilck <mwilck at suse.com>

uxsock_trigger() really belongs into cli.c. I suppose that way back in
the past there were strong reasons to call this function via a
pointer. I don't think these reasons are valid any more. Moving
the function to cli.c allows restructuring the code.

No functional changes.

Signed-off-by: Martin Wilck <mwilck at suse.com>
---
 multipathd/main.c   | 44 +-------------------------------------------
 multipathd/uxlsnr.c | 44 ++++++++++++++++++++++++++++++++++++++++++--
 multipathd/uxlsnr.h |  4 +---
 3 files changed, 44 insertions(+), 48 deletions(-)

diff --git a/multipathd/main.c b/multipathd/main.c
index c6357ef..ec4bcc3 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -1526,48 +1526,6 @@ map_discovery (struct vectors * vecs)
 	return 0;
 }
 
-int
-uxsock_trigger (char * str, char ** reply, int * len, bool is_root,
-		void * trigger_data)
-{
-	struct vectors * vecs;
-	int r;
-
-	*reply = NULL;
-	*len = 0;
-	vecs = (struct vectors *)trigger_data;
-
-	if ((str != NULL) && (is_root == false) &&
-	    (strncmp(str, "list", strlen("list")) != 0) &&
-	    (strncmp(str, "show", strlen("show")) != 0)) {
-		*reply = STRDUP("permission deny: need to be root");
-		if (*reply)
-			*len = strlen(*reply) + 1;
-		return 1;
-	}
-
-	r = parse_cmd(str, reply, len, vecs, uxsock_timeout / 1000);
-
-	if (r > 0) {
-		if (r == ETIMEDOUT)
-			*reply = STRDUP("timeout\n");
-		else
-			*reply = STRDUP("fail\n");
-		if (*reply)
-			*len = strlen(*reply) + 1;
-		r = 1;
-	}
-	else if (!r && *len == 0) {
-		*reply = STRDUP("ok\n");
-		if (*reply)
-			*len = strlen(*reply) + 1;
-		r = 0;
-	}
-	/* else if (r < 0) leave *reply alone */
-
-	return r;
-}
-
 int
 uev_trigger (struct uevent * uev, void * trigger_data)
 {
@@ -1704,7 +1662,7 @@ uxlsnrloop (void * ap)
 	       == DAEMON_CONFIGURE)
 		handle_signals(false);
 
-	uxsock_listen(&uxsock_trigger, ux_sock, ap);
+	uxsock_listen(ux_sock, ap);
 
 out_sock:
 	pthread_cleanup_pop(1); /* uxsock_cleanup */
diff --git a/multipathd/uxlsnr.c b/multipathd/uxlsnr.c
index e701a1c..622aac1 100644
--- a/multipathd/uxlsnr.c
+++ b/multipathd/uxlsnr.c
@@ -311,11 +311,51 @@ static void handle_inotify(int fd, struct watch_descriptors *wds)
 		condlog(1, "Multipath configuration updated.\nReload multipathd for changes to take effect");
 }
 
+static int uxsock_trigger(char *str, char **reply, int *len,
+			  bool is_root, void *trigger_data)
+{
+	struct vectors * vecs;
+	int r;
+
+	*reply = NULL;
+	*len = 0;
+	vecs = (struct vectors *)trigger_data;
+
+	if ((str != NULL) && (is_root == false) &&
+	    (strncmp(str, "list", strlen("list")) != 0) &&
+	    (strncmp(str, "show", strlen("show")) != 0)) {
+		*reply = STRDUP("permission deny: need to be root");
+		if (*reply)
+			*len = strlen(*reply) + 1;
+		return 1;
+	}
+
+	r = parse_cmd(str, reply, len, vecs, uxsock_timeout / 1000);
+
+	if (r > 0) {
+		if (r == ETIMEDOUT)
+			*reply = STRDUP("timeout\n");
+		else
+			*reply = STRDUP("fail\n");
+		if (*reply)
+			*len = strlen(*reply) + 1;
+		r = 1;
+	}
+	else if (!r && *len == 0) {
+		*reply = STRDUP("ok\n");
+		if (*reply)
+			*len = strlen(*reply) + 1;
+		r = 0;
+	}
+	/* else if (r < 0) leave *reply alone */
+
+	return r;
+}
+
 /*
  * entry point
  */
-void * uxsock_listen(uxsock_trigger_fn uxsock_trigger, long ux_sock,
-		     void * trigger_data)
+void *uxsock_listen(long ux_sock, void *trigger_data)
 {
 	int rlen;
 	char *inbuf;
diff --git a/multipathd/uxlsnr.h b/multipathd/uxlsnr.h
index 18f008d..60c3a2c 100644
--- a/multipathd/uxlsnr.h
+++ b/multipathd/uxlsnr.h
@@ -3,10 +3,8 @@
 
 #include <stdbool.h>
 
-typedef int (uxsock_trigger_fn)(char *, char **, int *, bool, void *);
-
 void uxsock_cleanup(void *arg);
-void *uxsock_listen(uxsock_trigger_fn uxsock_trigger, long ux_sock,
+void *uxsock_listen(long ux_sock,
 		    void * trigger_data);
 
 #endif
-- 
2.33.0