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nghttpx: Add error logging for listener socket creation failure

This commit is contained in:
Tatsuhiro Tsujikawa 2015-06-07 00:02:30 +09:00
parent bbbddedb8f
commit 4894e24dc8
1 changed files with 26 additions and 4 deletions
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30
src/shrpx.cc
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@ -311,11 +311,15 @@ std::unique_ptr<AcceptHandler> create_acceptor(ConnectionHandler *handler,
fd = fd =
socket(rp->ai_family, rp->ai_socktype | SOCK_NONBLOCK, rp->ai_protocol); socket(rp->ai_family, rp->ai_socktype | SOCK_NONBLOCK, rp->ai_protocol);
if (fd == -1) { if (fd == -1) {
auto error = errno;
LOG(WARN) << "socket() syscall failed, error=" << error;
continue; continue;
} }
#else // !SOCK_NONBLOCK #else // !SOCK_NONBLOCK
fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (fd == -1) { if (fd == -1) {
auto error = errno;
LOG(WARN) << "socket() syscall failed, error=" << error;
continue; continue;
} }
util::make_socket_nonblocking(fd); util::make_socket_nonblocking(fd);
@ -323,6 +327,10 @@ std::unique_ptr<AcceptHandler> create_acceptor(ConnectionHandler *handler,
int val = 1; int val = 1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val,
static_cast<socklen_t>(sizeof(val))) == -1) { static_cast<socklen_t>(sizeof(val))) == -1) {
auto error = errno;
LOG(WARN)
<< "Failed to set SO_REUSEADDR option to listener socket, error="
<< error;
close(fd); close(fd);
continue; continue;
} }
@ -331,6 +339,10 @@ std::unique_ptr<AcceptHandler> create_acceptor(ConnectionHandler *handler,
if (family == AF_INET6) { if (family == AF_INET6) {
if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &val, if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &val,
static_cast<socklen_t>(sizeof(val))) == -1) { static_cast<socklen_t>(sizeof(val))) == -1) {
auto error = errno;
LOG(WARN)
<< "Failed to set IPV6_V6ONLY option to listener socket, error="
<< error;
close(fd); close(fd);
continue; continue;
} }
@ -345,11 +357,21 @@ std::unique_ptr<AcceptHandler> create_acceptor(ConnectionHandler *handler,
} }
#endif // TCP_DEFER_ACCEPT #endif // TCP_DEFER_ACCEPT
if (bind(fd, rp->ai_addr, rp->ai_addrlen) == 0 && if (bind(fd, rp->ai_addr, rp->ai_addrlen) == -1) {
listen(fd, get_config()->backlog) == 0) { auto error = errno;
break; LOG(WARN) << "bind() syscall failed, error=" << error;
close(fd);
continue;
} }
close(fd);
if (listen(fd, get_config()->backlog) == -1) {
auto error = errno;
LOG(WARN) << "listen() syscall failed, error=" << error;
close(fd);
continue;
}
break;
} }
if (!rp) { if (!rp) {