MINOR: protocol: rename the ->bind field to ->listen

The function currently is doing both the bind() and the listen(), so
let's call it ->listen so that the bind() operation can move to another
place.

include/haproxy/protocol-t.h

@@ -71,7 +71,7 @@ struct protocol {
 	socklen_t sock_addrlen;				/* socket address length, used by bind() */
 	int l3_addrlen;					/* layer3 address length, used by hashes */
 	void (*accept)(int fd);				/* generic accept function */
-	int (*bind)(struct listener *l, char *errmsg, int errlen); /* bind a listener */
+	int (*listen)(struct listener *l, char *errmsg, int errlen); /* start a listener */
 	int (*enable_all)(struct protocol *proto);	/* enable all bound listeners */
 	int (*disable_all)(struct protocol *proto);	/* disable all bound listeners */
 	int (*connect)(struct connection *, int flags); /* connect function if any, see below for flags values */

src/listener.c

@@ -349,7 +349,7 @@ int resume_listener(struct listener *l)
 		char msg[100];
 		int err;
 
-		err = l->rx.proto->bind(l, msg, sizeof(msg));
+		err = l->rx.proto->listen(l, msg, sizeof(msg));
 		if (err & ERR_ALERT)
 			ha_alert("Resuming listener: %s\n", msg);
 		else if (err & ERR_WARN)

src/proto_sockpair.c

@@ -55,7 +55,7 @@ static struct protocol proto_sockpair = {
 	.l3_addrlen = sizeof(((struct sockaddr_un*)0)->sun_path),/* path len */
 	.accept = &listener_accept,
 	.connect = &sockpair_connect_server,
-	.bind = sockpair_bind_listener,
+	.listen = sockpair_bind_listener,
 	.enable_all = enable_all_listeners,
 	.disable_all = disable_all_listeners,
 	.get_src = NULL,

src/proto_tcp.c

@@ -59,7 +59,7 @@ static struct protocol proto_tcpv4 = {
 	.l3_addrlen = 32/8,
 	.accept = &listener_accept,
 	.connect = tcp_connect_server,
-	.bind = tcp_bind_listener,
+	.listen = tcp_bind_listener,
 	.enable_all = enable_all_listeners,
 	.get_src = sock_get_src,
 	.get_dst = sock_inet_get_dst,
@@ -83,7 +83,7 @@ static struct protocol proto_tcpv6 = {
 	.l3_addrlen = 128/8,
 	.accept = &listener_accept,
 	.connect = tcp_connect_server,
-	.bind = tcp_bind_listener,
+	.listen = tcp_bind_listener,
 	.enable_all = enable_all_listeners,
 	.get_src = sock_get_src,
 	.get_dst = sock_get_dst,

src/proto_udp.c

@@ -55,7 +55,7 @@ static struct protocol proto_udp4 = {
 	.l3_addrlen = 32/8,
 	.accept = NULL,
 	.connect = NULL,
-	.bind = udp_bind_listener,
+	.listen = udp_bind_listener,
 	.enable_all = enable_all_listeners,
 	.get_src = udp_get_src,
 	.get_dst = udp_get_dst,
@@ -79,7 +79,7 @@ static struct protocol proto_udp6 = {
 	.l3_addrlen = 128/8,
 	.accept = NULL,
 	.connect = NULL,
-	.bind = udp_bind_listener,
+	.listen = udp_bind_listener,
 	.enable_all = enable_all_listeners,
 	.get_src = udp6_get_src,
 	.get_dst = udp6_get_dst,

src/proto_uxst.c

@@ -56,7 +56,7 @@ static struct protocol proto_unix = {
 	.l3_addrlen = sizeof(((struct sockaddr_un*)0)->sun_path),/* path len */
 	.accept = &listener_accept,
 	.connect = &uxst_connect_server,
-	.bind = uxst_bind_listener,
+	.listen = uxst_bind_listener,
 	.enable_all = enable_all_listeners,
 	.disable_all = disable_all_listeners,
 	.get_src = sock_get_src,

src/protocol.c

@@ -67,7 +67,7 @@ int protocol_bind_all(int verbose)
 	HA_SPIN_LOCK(PROTO_LOCK, &proto_lock);
 	list_for_each_entry(proto, &protocols, list) {
 		list_for_each_entry(listener, &proto->listeners, rx.proto_list) {
-			lerr = proto->bind(listener, msg, sizeof(msg));
+			lerr = proto->listen(listener, msg, sizeof(msg));
 
 			/* errors are reported if <verbose> is set or if they are fatal */
 			if (verbose || (lerr & (ERR_FATAL | ERR_ABORT))) {