From 089d82e8a6d6443e10052f04c469e9e70784eb93 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= 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=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Nguyễn Thái Ngọc Duy Signed-off-by: Junio C Hamano --- daemon.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/daemon.c b/daemon.c index 4c8346d5a..3a348a79b 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, ""); + } + 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; } -- 2.26.2