autogenerating DEFAULT_CONFIG via CMAKE

[umurmur.git] / src / server.c

diff --git a/src/server.c b/src/server.c
index 05bcba572667643a1aa9124bdfe3d573b9a946a4..05f5213abc058575cd22b1591ecb68553188cf3d 100644 (file)
--- a/src/server.c
+++ b/src/server.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 2009-2010, Martin Johansson <martin@fatbob.nu>
-   Copyright (C) 2005-2010, Thorvald Natvig <thorvald@natvig.com>
+/* Copyright (C) 2009-2014, Martin Johansson <martin@fatbob.nu>
+   Copyright (C) 2005-2014, Thorvald Natvig <thorvald@natvig.com>
 
    All rights reserved.
 
@@ -39,6 +39,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <stdlib.h>
 
 #include "client.h"
 #include "conf.h"
@@ -51,8 +52,10 @@
 #define UDP_SOCK 1
 
 /* globals */
-int udpsock; 
+int udpsock;
 bool_t shutdown_server;
+extern char *bindaddr;
+extern int bindport;
 
 void Server_run()
 {
@@ -62,12 +65,28 @@ void Server_run()
        struct sockaddr_in sin;
        int val, clientcount;
        etimer_t janitorTimer;
+       unsigned short port;
+       in_addr_t inet_address;
 
        /* max clients + listen sock + udp sock + client connecting that will be disconnected */
        pollfds = malloc((getIntConf(MAX_CLIENTS) + 3) * sizeof(struct pollfd));
        if (pollfds == NULL)
                Log_fatal("out of memory");
-       
+
+       /* Figure out bind address and port */
+       if (bindport != 0)
+               port = htons(bindport);
+       else
+               port = htons(getIntConf(BINDPORT));
+
+       if (bindaddr != NULL && inet_addr(bindaddr) != -1)
+               inet_address = inet_addr(bindaddr);
+       else if (inet_addr(getStrConf(BINDADDR)) !=  -1)
+               inet_address = inet_addr(getStrConf(BINDADDR));
+       else
+               inet_address = inet_addr("0.0.0.0");
+       Log_info("Bind to %s:%hu", inet_address == 0 ? "*" : inet_ntoa(*((struct in_addr *)&inet_address)), ntohs(port));
+
        /* Prepare TCP socket */
        memset(&sin, 0, sizeof(sin));
        tcpsock = socket(PF_INET, SOCK_STREAM, 0);
@@ -76,14 +95,15 @@ void Server_run()
        if (setsockopt(tcpsock, SOL_SOCKET, SO_REUSEADDR, &sockopt, sizeof(int)) != 0)
                Log_fatal("setsockopt: %s", strerror(errno));
        sin.sin_family = AF_INET;
-       sin.sin_port = htons(getIntConf(BINDPORT));
-       sin.sin_addr.s_addr = inet_addr(getStrConf(BINDADDR)) ==  -1 ? inet_addr("0.0.0.0") : inet_addr(getStrConf(BINDADDR));
+       sin.sin_port = port;
+       sin.sin_addr.s_addr = inet_address;
+
        rc = bind(tcpsock, (struct sockaddr *) &sin, sizeof (struct sockaddr_in));
        if (rc < 0) Log_fatal("bind: %s", strerror(errno));
        rc = listen(tcpsock, 3);
        if (rc < 0) Log_fatal("listen");
        fcntl(tcpsock, F_SETFL, O_NONBLOCK);
-       
+
        pollfds[LISTEN_SOCK].fd = tcpsock;
        pollfds[LISTEN_SOCK].events = POLLIN;
 
@@ -91,38 +111,40 @@ void Server_run()
        memset(&sin, 0, sizeof(sin));
        udpsock = socket(PF_INET, SOCK_DGRAM, 0);
        sin.sin_family = AF_INET;
-       sin.sin_port = htons(getIntConf(BINDPORT));
-       sin.sin_addr.s_addr = inet_addr(getStrConf(BINDADDR)) ==  -1 ? inet_addr("0.0.0.0") : inet_addr(getStrConf(BINDADDR));
+       sin.sin_port = port;
+       sin.sin_addr.s_addr = inet_address;
+
        rc = bind(udpsock, (struct sockaddr *) &sin, sizeof (struct sockaddr_in));
        if (rc < 0)
                Log_fatal("bind %d %s: %s", getIntConf(BINDPORT), getStrConf(BINDADDR), strerror(errno));
        val = 0xe0;
        rc = setsockopt(udpsock, IPPROTO_IP, IP_TOS, &val, sizeof(val));
        if (rc < 0)
-               Log_fatal("Server: Failed to set TOS for UDP Socket");
+               Log_warn("Server: Failed to set TOS for UDP Socket");
        val = 0x80;
        rc = setsockopt(udpsock, IPPROTO_IP, IP_TOS, &val, sizeof(val));
        if (rc < 0)
-               Log_fatal("Server: Failed to set TOS for UDP Socket");
-       
+               Log_warn("Server: Failed to set TOS for UDP Socket");
+
        fcntl(udpsock, F_SETFL, O_NONBLOCK);
        pollfds[UDP_SOCK].fd = udpsock;
        pollfds[UDP_SOCK].events = POLLIN | POLLHUP | POLLERR;
-       
+
        Timer_init(&janitorTimer);
-       
-       Log_info("uMurmur version %s protocol version %d.%d.%d -- http://code.google.com/p/umurmur/",
-                        UMURMUR_VERSION, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
+
+       Log_info("uMurmur version %s ('%s') protocol version %d.%d.%d",
+                UMURMUR_VERSION, UMURMUR_CODENAME, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
+       Log_info("Visit http://code.google.com/p/umurmur/");
 
        /* Main server loop */
        while (!shutdown_server) {
                struct sockaddr_in remote;
                int i;
-               
+
                pollfds[UDP_SOCK].revents = 0;
                pollfds[TCP_SOCK].revents = 0;
                clientcount = Client_getfds(&pollfds[2]);
-               
+
                timeout = (int)(1000000LL - (int64_t)Timer_elapsed(&janitorTimer)) / 1000LL;
                if (timeout <= 0) {
                        Client_janitor();
@@ -151,7 +173,8 @@ void Server_run()
                        setsockopt(tcpfd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int));
                        Log_debug("Connection from %s port %d\n", inet_ntoa(remote.sin_addr),
                                          ntohs(remote.sin_port));
-                       Client_add(tcpfd, &remote);
+                       if (Client_add(tcpfd, &remote) < 0)
+                               close(tcpfd);
                }
 
                if (pollfds[UDP_SOCK].revents) {
@@ -165,7 +188,7 @@ void Server_run()
                                Client_write_fd(pollfds[i + 2].fd);
                        }
                }
-       }       
+       }
 
        /* Disconnect clients */
        Client_disconnect_all();