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114 lines
2.3 KiB
114 lines
2.3 KiB
/**
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* \file
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2014 Georg Hopp
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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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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include "tr/socket.h"
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#include "tr/interface/socket.h"
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#include "tr/logger.h"
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#include "trbase.h"
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static
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int
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udpSocketCtor(void * _this, va_list * params)
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{
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TR_Socket this = _this;
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TR_PARENTCALL(TR_UdpSocket, _this, TR_Class, ctor, params);
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this->type = SOCK_DGRAM;
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return 0;
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}
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static
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TR_RemoteData
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udpSocketRecv(void * _this, size_t size)
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{
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TR_Socket this = _this;
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ssize_t received;
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TR_RemoteData rdata;
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TR_Socket remote = TR_new(TR_UdpSocket, this->log, NULL, 0, 0);
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size = size>TR_UDP_MAX_READ_BLOCK ? TR_UDP_MAX_READ_BLOCK : size;
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unsigned char buffer[size];
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remote->addrlen = this->addrlen;
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received = recvfrom(
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this->handle,
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buffer,
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size,
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this->flags,
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&(remote->addr.info),
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&remote->addrlen);
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if (-1 == received) {
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TR_delete(remote);
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rdata = NULL;
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} else {
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rdata = TR_new(TR_RemoteData, buffer, received, remote);
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}
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return rdata;
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}
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static
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ssize_t
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udpSocketSend(void * _this, TR_RemoteData data)
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{
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TR_Socket this = _this;
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ssize_t send;
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send = sendto(
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this->handle,
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((TR_SizedData)data)->data,
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((TR_SizedData)data)->size,
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this->flags,
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&(data->remote->addr.info),
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data->remote->addrlen);
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if (-1 == send) {
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perror("sendto");
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}
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return send;
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}
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TR_INIT_IFACE(TR_Class, udpSocketCtor, NULL, NULL);
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TR_INIT_IFACE(TR_Socket, NULL, NULL, udpSocketRecv, udpSocketSend);
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TR_CREATE_CLASS(
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TR_UdpSocket,
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TR_Socket,
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NULL,
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TR_IF(TR_Class),
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TR_IF(TR_Socket));
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// vim: set ts=4 sw=4:
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