3 #include <netinet/in.h>
9 #include <sys/socket.h>
14 #include "serverpool.h"
19 extern ServerPool *servers;
20 extern volatile bool hupped;
22 int create_server_socket(int port, SocketType socket_type)
25 if (socket_type == TCP_SOCKET) {
26 server_sock = socket(PF_INET6, SOCK_STREAM, IPPROTO_TCP);
28 assert(socket_type == UDP_SOCKET);
29 server_sock = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
31 if (server_sock == -1) {
37 if (setsockopt(server_sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) == -1) {
38 log_perror("setsockopt(SO_REUSEADDR)");
42 // We want dual-stack sockets. (Sorry, OpenBSD and Windows XP...)
44 if (setsockopt(server_sock, IPPROTO_IPV6, IPV6_V6ONLY, &zero, sizeof(zero)) == -1) {
45 log_perror("setsockopt(IPV6_V6ONLY)");
49 // Set as non-blocking, so the acceptor thread can notice that we want to shut it down.
50 if (ioctl(server_sock, FIONBIO, &one) == -1) {
51 log_perror("ioctl(FIONBIO)");
56 memset(&addr, 0, sizeof(addr));
57 addr.sin6_family = AF_INET6;
58 addr.sin6_port = htons(port);
60 if (bind(server_sock, reinterpret_cast<sockaddr *>(&addr), sizeof(addr)) == -1) {
65 if (socket_type == TCP_SOCKET) {
66 if (listen(server_sock, 128) == -1) {
75 Acceptor::Acceptor(int server_sock, int port)
76 : server_sock(server_sock),
81 Acceptor::Acceptor(const AcceptorProto &serialized)
82 : server_sock(serialized.server_sock()),
83 port(serialized.port())
87 AcceptorProto Acceptor::serialize() const
89 AcceptorProto serialized;
90 serialized.set_server_sock(server_sock);
91 serialized.set_port(port);
95 void Acceptor::close_socket()
99 ret = close(server_sock);
100 } while (ret == -1 && errno == EINTR);
107 void Acceptor::do_work()
110 // Since we are non-blocking, we need to wait for the right state first.
111 // Wait up to 50 ms, then check hupped.
113 pfd.fd = server_sock;
116 int nfds = poll(&pfd, 1, 50);
117 if (nfds == 0 || (nfds == -1 && errno == EINTR)) {
127 socklen_t addrlen = sizeof(addr);
130 int sock = accept(server_sock, reinterpret_cast<sockaddr *>(&addr), &addrlen);
131 if (sock == -1 && errno == EINTR) {
135 log_perror("accept");
140 // Set the socket as nonblocking.
142 if (ioctl(sock, FIONBIO, &one) == -1) {
143 log_perror("FIONBIO");
147 // Pick a server, round-robin, and hand over the socket to it.
148 servers->add_client(sock);