From 089d82e8a6d6443e10052f04c469e9e70784eb93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?=
<pclouds@gmail.com>
Date: Tue, 4 Oct 2011 06:13:28 +1100
Subject: [PATCH] daemon: log errors if we could not use some sockets
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
daemon.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/daemon.c b/daemon.c
index 4c8346d5a1f..3a348a79b3d 100644
--- a/daemon.c
+++ b/daemon.c
@@ -734,6 +734,29 @@ struct socketlist {
size_t alloc;
};
+static const char *ip2str(int family, struct sockaddr *sin, socklen_t len)
+{
+#ifdef NO_IPV6
+ static char ip[INET_ADDRSTRLEN];
+#else
+ static char ip[INET6_ADDRSTRLEN];
+#endif
+
+ switch (family) {
+#ifndef NO_IPV6
+ case AF_INET6:
+ inet_ntop(family, &((struct sockaddr_in6*)sin)->sin6_addr, ip, len);
+ break;
+#endif
+ case AF_INET:
+ inet_ntop(family, &((struct sockaddr_in*)sin)->sin_addr, ip, len);
+ break;
+ default:
+ strcpy(ip, "<unknown>");
+ }
+ return ip;
+}
+
#ifndef NO_IPV6
static int setup_named_sock(char *listen_addr, int listen_port, struct socketlist *socklist)
@@ -780,15 +803,22 @@ static int setup_named_sock(char *listen_addr, int listen_port, struct socketlis
#endif
if (set_reuse_addr(sockfd)) {
+ logerror("Could not set SO_REUSEADDR: %s", strerror(errno));
close(sockfd);
continue;
}
if (bind(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) {
+ logerror("Could not bind to %s: %s",
+ ip2str(ai->ai_family, ai->ai_addr, ai->ai_addrlen),
+ strerror(errno));
close(sockfd);
continue; /* not fatal */
}
if (listen(sockfd, 5) < 0) {
+ logerror("Could not listen to %s: %s",
+ ip2str(ai->ai_family, ai->ai_addr, ai->ai_addrlen),
+ strerror(errno));
close(sockfd);
continue; /* not fatal */
}
@@ -835,16 +865,23 @@ static int setup_named_sock(char *listen_addr, int listen_port, struct socketlis
return 0;
if (set_reuse_addr(sockfd)) {
+ logerror("Could not set SO_REUSEADDR: %s", strerror(errno));
close(sockfd);
return 0;
}
if ( bind(sockfd, (struct sockaddr *)&sin, sizeof sin) < 0 ) {
+ logerror("Could not listen to %s: %s",
+ ip2str(AF_INET, (struct sockaddr *)&sin, sizeof(sin)),
+ strerror(errno));
close(sockfd);
return 0;
}
if (listen(sockfd, 5) < 0) {
+ logerror("Could not listen to %s: %s",
+ ip2str(AF_INET, (struct sockaddr *)&sin, sizeof(sin)),
+ strerror(errno));
close(sockfd);
return 0;
}