X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_socket.c;h=9c8ef05ab53c85a911b6343c9b0ed13a26e0bdf6;hp=c2a685965a362c1314308b4046e1fc8d16585f0e;hb=f02d3ed3e135b5326003e7f69f8331ff6a3cc219;hpb=64e0519cb5042b251e7345f07429e8b82e2ac09b diff --git a/src/net_socket.c b/src/net_socket.c index c2a68596..9c8ef05a 100644 --- a/src/net_socket.c +++ b/src/net_socket.c @@ -1,7 +1,7 @@ /* net_socket.c -- Handle various kinds of sockets. Copyright (C) 1998-2005 Ivo Timmermans, - 2000-2006 Guus Sliepen + 2000-2007 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -25,7 +25,6 @@ #include "avl_tree.h" #include "conf.h" #include "connection.h" -#include "event.h" #include "logger.h" #include "meta.h" #include "net.h" @@ -52,8 +51,7 @@ int listen_sockets; /* Setup sockets */ -static void configure_tcp(connection_t *c) -{ +static void configure_tcp(connection_t *c) { int option; #ifdef O_NONBLOCK @@ -62,6 +60,12 @@ static void configure_tcp(connection_t *c) if(fcntl(c->socket, F_SETFL, flags | O_NONBLOCK) < 0) { logger(LOG_ERR, _("fcntl for %s: %s"), c->hostname, strerror(errno)); } +#elif defined(WIN32) + unsigned long arg = 1; + + if(ioctlsocket(c->socket, FIONBIO, &arg) != 0) { + logger(LOG_ERR, _("ioctlsocket for %s: WSA error %d"), c->hostname, WSAGetLastError()); + } #endif #if defined(SOL_TCP) && defined(TCP_NODELAY) @@ -75,8 +79,7 @@ static void configure_tcp(connection_t *c) #endif } -int setup_listen_socket(const sockaddr_t *sa) -{ +int setup_listen_socket(const sockaddr_t *sa) { int nfd; char *addrstr; int option; @@ -134,8 +137,7 @@ int setup_listen_socket(const sockaddr_t *sa) return nfd; } -int setup_vpn_in_socket(const sockaddr_t *sa) -{ +int setup_vpn_in_socket(const sockaddr_t *sa) { int nfd; char *addrstr; int option; @@ -160,6 +162,16 @@ int setup_vpn_in_socket(const sockaddr_t *sa) return -1; } } +#elif defined(WIN32) + { + unsigned long arg = 1; + if(ioctlsocket(nfd, FIONBIO, &arg) != 0) { + closesocket(nfd); + logger(LOG_ERR, _("Call to `%s' failed: WSA error %d"), "ioctlsocket", + WSAGetLastError()); + return -1; + } + } #endif option = 1; @@ -218,10 +230,11 @@ int setup_vpn_in_socket(const sockaddr_t *sa) return nfd; } -void retry_outgoing(outgoing_t *outgoing) -{ - event_t *event; +static void retry_outgoing_handler(int fd, short events, void *data) { + do_outgoing_connection(data); +} +void retry_outgoing(outgoing_t *outgoing) { cp(); outgoing->timeout += 5; @@ -229,32 +242,28 @@ void retry_outgoing(outgoing_t *outgoing) if(outgoing->timeout > maxtimeout) outgoing->timeout = maxtimeout; - event = new_event(); - event->handler = (event_handler_t) setup_outgoing_connection; - event->time = now + outgoing->timeout; - event->data = outgoing; - event_add(event); + timeout_set(&outgoing->ev, retry_outgoing_handler, outgoing); + event_add(&outgoing->ev, &(struct timeval){outgoing->timeout, 0}); ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Trying to re-establish outgoing connection in %d seconds"), outgoing->timeout); } -void finish_connecting(connection_t *c) -{ +void finish_connecting(connection_t *c) { cp(); ifdebug(CONNECTIONS) logger(LOG_INFO, _("Connected to %s (%s)"), c->name, c->hostname); configure_tcp(c); - c->last_ping_time = now; + c->last_ping_time = time(NULL); + c->status.connecting = false; send_id(c); } -void do_outgoing_connection(connection_t *c) -{ +void do_outgoing_connection(connection_t *c) { char *address, *port; int result; @@ -318,7 +327,11 @@ begin: result = connect(c->socket, &c->address.sa, SALEN(c->address.sa)); if(result == -1) { - if(errno == EINPROGRESS) { + if(errno == EINPROGRESS +#if defined(WIN32) && !defined(O_NONBLOCK) + || WSAGetLastError() == WSAEWOULDBLOCK +#endif + ) { c->status.connecting = true; return; } @@ -335,8 +348,7 @@ begin: return; } -void setup_outgoing_connection(outgoing_t *outgoing) -{ +void setup_outgoing_connection(outgoing_t *outgoing) { connection_t *c; node_t *n; @@ -373,19 +385,25 @@ void setup_outgoing_connection(outgoing_t *outgoing) } c->outgoing = outgoing; - c->last_ping_time = now; + c->last_ping_time = time(NULL); connection_add(c); do_outgoing_connection(c); + + event_set(&c->ev, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c); + event_set(&c->outev, c->socket, EV_WRITE | EV_PERSIST, flush_meta, c); + if(event_add(&c->ev, NULL) < 0) { + logger(LOG_EMERG, _("event_add failed: %s"), strerror(errno)); + abort(); + } } /* accept a new tcp connect and create a new connection */ -bool handle_new_meta_connection(int sock) -{ +void handle_new_meta_connection(int sock, short events, void *data) { connection_t *c; sockaddr_t sa; int fd; @@ -396,15 +414,14 @@ bool handle_new_meta_connection(int sock) fd = accept(sock, &sa.sa, &len); if(fd < 0) { - logger(LOG_ERR, _("Accepting a new connection failed: %s"), - strerror(errno)); - return false; + logger(LOG_ERR, _("Accepting a new connection failed: %s"), strerror(errno)); + return; } sockaddrunmap(&sa); c = new_connection(); - c->name = NULL; + c->name = xstrdup(""); c->outcipher = myself->connection->outcipher; c->outdigest = myself->connection->outdigest; c->outmaclength = myself->connection->outmaclength; @@ -413,22 +430,27 @@ bool handle_new_meta_connection(int sock) c->address = sa; c->hostname = sockaddr2hostname(&sa); c->socket = fd; - c->last_ping_time = now; + c->last_ping_time = time(NULL); ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Connection from %s"), c->hostname); + event_set(&c->ev, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c); + event_set(&c->outev, c->socket, EV_WRITE | EV_PERSIST, flush_meta, c); + if(event_add(&c->ev, NULL) < 0) { + logger(LOG_ERR, _("event_add failed: %s"), strerror(errno)); + connection_del(c); + return; + } + configure_tcp(c); connection_add(c); c->allow_request = ID; send_id(c); - - return true; } -void try_outgoing_connections(void) -{ +void try_outgoing_connections(void) { static config_t *cfg = NULL; char *name; outgoing_t *outgoing;