X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=acceptor.cpp;h=70cd30c23bdfdcd53c16efe025c2ce4e58b01bdd;hp=0b8de507af4d0b5576cb2f9aa309ba6e68519a62;hb=0d72f384a1de672824298262ba5c427ec0aee2d6;hpb=3f82e5f8ede16a712aa0bcd0913d2d8e3689742c

diff --git a/acceptor.cpp b/acceptor.cpp
index 0b8de50..70cd30c 100644
--- a/acceptor.cpp
+++ b/acceptor.cpp
@@ -1,44 +1,54 @@
+#include <assert.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <poll.h>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
-#include <errno.h>
-#include <arpa/inet.h>
+#include <string.h>
 #include <sys/ioctl.h>
-#include <sys/poll.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 #include "acceptor.h"
+#include "log.h"
 #include "serverpool.h"
+#include "state.pb.h"
 
 using namespace std;
 
 extern ServerPool *servers;
 extern volatile bool hupped;
 
-int create_server_socket(int port)
+int create_server_socket(int port, SocketType socket_type)
 {
-	int server_sock = socket(PF_INET6, SOCK_STREAM, IPPROTO_TCP);
+	int server_sock;
+	if (socket_type == TCP_SOCKET) {
+		server_sock = socket(PF_INET6, SOCK_STREAM, IPPROTO_TCP);
+	} else {
+		assert(socket_type == UDP_SOCKET);
+		server_sock = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
+	}
 	if (server_sock == -1) {
-		perror("socket");
+		log_perror("socket");
 		exit(1);
 	}
 
 	int one = 1;
 	if (setsockopt(server_sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) == -1) {
-		perror("setsockopt(SO_REUSEADDR)");
+		log_perror("setsockopt(SO_REUSEADDR)");
 		exit(1);
 	}
 
 	// We want dual-stack sockets. (Sorry, OpenBSD and Windows XP...)
 	int zero = 0;
 	if (setsockopt(server_sock, IPPROTO_IPV6, IPV6_V6ONLY, &zero, sizeof(zero)) == -1) {
-		perror("setsockopt(IPV6_V6ONLY)");
+		log_perror("setsockopt(IPV6_V6ONLY)");
 		exit(1);
 	}
 
 	// Set as non-blocking, so the acceptor thread can notice that we want to shut it down.
 	if (ioctl(server_sock, FIONBIO, &one) == -1) {
-		perror("ioctl(FIONBIO)");
+		log_perror("ioctl(FIONBIO)");
 		exit(1);
 	}
 
@@ -48,21 +58,54 @@ int create_server_socket(int port)
 	addr.sin6_port = htons(port);
 
 	if (bind(server_sock, reinterpret_cast<sockaddr *>(&addr), sizeof(addr)) == -1) {
-		perror("bind");
+		log_perror("bind");
 		exit(1);
 	}
 
-	if (listen(server_sock, 128) == -1) {
-		perror("listen");
-		exit(1);
+	if (socket_type == TCP_SOCKET) {
+		if (listen(server_sock, 128) == -1) {
+			log_perror("listen");
+			exit(1);
+		}
 	}
 
 	return server_sock;
 }
+	
+Acceptor::Acceptor(int server_sock, int port)
+	: server_sock(server_sock),
+	  port(port)
+{
+}
+
+Acceptor::Acceptor(const AcceptorProto &serialized)
+	: server_sock(serialized.server_sock()),
+	  port(serialized.port())
+{
+}
+
+AcceptorProto Acceptor::serialize() const
+{
+	AcceptorProto serialized;
+	serialized.set_server_sock(server_sock);
+	serialized.set_port(port);
+	return serialized;
+}
+
+void Acceptor::close_socket()
+{
+	int ret;
+	do {
+		ret = close(server_sock);
+	} while (ret == -1 && errno == EINTR);
+
+	if (ret == -1) {
+		log_perror("close");
+	}
+}
 
-void *acceptor_thread_run(void *arg)
+void Acceptor::do_work()
 {
-	int server_sock = int(intptr_t(arg));
 	while (!hupped) {
 		// Since we are non-blocking, we need to wait for the right state first.
 		// Wait up to 50 ms, then check hupped.
@@ -75,7 +118,7 @@ void *acceptor_thread_run(void *arg)
 			continue;
 		}
 		if (nfds == -1) {
-			perror("poll");
+			log_perror("poll");
 			usleep(100000);
 			continue;
 		}
@@ -89,7 +132,7 @@ void *acceptor_thread_run(void *arg)
 			continue;
 		}
 		if (sock == -1) {
-			perror("accept");
+			log_perror("accept");
 			usleep(100000);
 			continue;
 		}
@@ -97,12 +140,11 @@ void *acceptor_thread_run(void *arg)
 		// Set the socket as nonblocking.
 		int one = 1;
 		if (ioctl(sock, FIONBIO, &one) == -1) {
-			perror("FIONBIO");
+			log_perror("FIONBIO");
 			exit(1);
 		}
 
 		// Pick a server, round-robin, and hand over the socket to it.
 		servers->add_client(sock);
 	}
-	return NULL;
 }