diff options
Diffstat (limited to 'nserver')
| -rw-r--r-- | nserver/src/nsocket.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/nserver/src/nsocket.c b/nserver/src/nsocket.c index ca36382..f9c9361 100644 --- a/nserver/src/nsocket.c +++ b/nserver/src/nsocket.c @@ -9,6 +9,7 @@ int get_socket() { int sockfd = 0; int rc = 0; + int y = 1; struct addrinfo hints; struct addrinfo *servinfo = NULL; @@ -23,22 +24,30 @@ int get_socket() check(rc == 0, "get_socket: getaddrinfo failed"); // Loop through the addresses and find one that works. - sockfd = 0; - addr = servinfo; - do { + for (addr = servinfo; addr != NULL; sockfd = 0, + addr = addr->ai_next) { sockfd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); - if (sockfd > 0) { - break; + if (sockfd < 1) { + continue; } - addr = addr->ai_next; - } while(addr); - check(sockfd > 0, "unable to get socket"); + // dodge the "address already in use" error. + rc = setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, + &y, sizeof(int)); + if (rc != 0) { + continue; + } - // assign name to socket. - rc = bind(sockfd, addr->ai_addr, addr->ai_addrlen); - check(rc == 0, "get_socket: bind failed"); + // assign name to socket. + rc = bind(sockfd, addr->ai_addr, addr->ai_addrlen); + if (rc != 0) { + continue; + } + + break; + } + check(sockfd > 0, "unable to get socket"); // Cleanup. freeaddrinfo(servinfo); |