148 lines
2.7 KiB
C
148 lines
2.7 KiB
C
/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2012, Jan Vidar Krey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "uhub.h"
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#include "network/common.h"
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static int is_blocked_or_interrupted()
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{
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int err = net_error();
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return
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#ifdef WINSOCK
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err == WSAEWOULDBLOCK
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#else
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err == EWOULDBLOCK
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#endif
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|| err == EINTR;
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}
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ssize_t net_con_send(struct net_connection* con, const void* buf, size_t len)
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{
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int ret;
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#ifdef SSL_SUPPORT
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if (!con->ssl)
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{
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#endif
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ret = net_send(con->sd, buf, len, UHUB_SEND_SIGNAL);
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if (ret == -1)
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{
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if (is_blocked_or_interrupted())
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return 0;
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return -1;
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}
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#ifdef SSL_SUPPORT
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}
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else
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{
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ret = net_ssl_send(con, buf, len);
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}
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#endif /* SSL_SUPPORT */
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return ret;
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}
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ssize_t net_con_recv(struct net_connection* con, void* buf, size_t len)
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{
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int ret;
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#ifdef SSL_SUPPORT
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if (!con->ssl)
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{
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#endif
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ret = net_recv(con->sd, buf, len, 0);
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if (ret == -1)
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{
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if (is_blocked_or_interrupted())
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return 0;
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return -net_error();
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}
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else if (ret == 0)
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{
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return -1;
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}
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#ifdef SSL_SUPPORT
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}
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else
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{
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ret = net_ssl_recv(con, buf, len);
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}
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#endif /* SSL_SUPPORT */
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return ret;
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}
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ssize_t net_con_peek(struct net_connection* con, void* buf, size_t len)
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{
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int ret = net_recv(con->sd, buf, len, MSG_PEEK);
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if (ret == -1)
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{
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if (is_blocked_or_interrupted())
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return 0;
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return -net_error();
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}
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else if (ret == 0)
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return -1;
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return ret;
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}
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#ifdef SSL_SUPPORT
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int net_con_is_ssl(struct net_connection* con)
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{
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return !!con->ssl;
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}
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#endif /* SSL_SUPPORT */
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int net_con_get_sd(struct net_connection* con)
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{
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return con->sd;
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}
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void* net_con_get_ptr(struct net_connection* con)
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{
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return con->ptr;
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}
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void net_con_destroy(struct net_connection* con)
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{
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#ifdef SSL_SUPPORT
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if (con->ssl)
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net_ssl_destroy(con);
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#endif
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hub_free(con);
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}
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void net_con_callback(struct net_connection* con, int events)
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{
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if (con->flags & NET_CLEANUP)
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return;
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if (events == NET_EVENT_TIMEOUT)
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{
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LOG_TRACE("net_con_callback(%p, TIMEOUT)", con);
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con->callback(con, events, con->ptr);
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return;
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}
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#ifdef SSL_SUPPORT
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if (con->ssl)
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net_ssl_callback(con, events);
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else
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#endif
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con->callback(con, events, con->ptr);
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}
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