89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/* -*- C++ -*- */
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/*
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* Copyright 2008-2011 Steve Glass
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*
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* This file is part of OP25.
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*
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* OP25 is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* OP25 is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* 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 OP25; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Boston, MA
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* 02110-1301, USA.
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*/
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#include "p25cai_du_handler.h"
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#include <arpa/inet.h>
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#include <cstdio>
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#include <cstring>
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#include <errno.h>
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#include <iomanip>
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#include <netinet/in.h>
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#include <sstream>
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#include <sys/socket.h>
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#include <sys/socket.h>
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using namespace std;
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p25cai_du_handler::p25cai_du_handler(data_unit_handler_sptr next, const char *addr, int port) :
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data_unit_handler(next),
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d_cai(-1),
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d_address("Unavailable")
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{
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struct sockaddr_in sin;
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sin.sin_family = AF_INET;
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sin.sin_port = htons(port);
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inet_aton(addr, &sin.sin_addr);
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d_cai = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if(-1 != d_cai) {
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if(-1 != connect(d_cai, (struct sockaddr*) &sin, sizeof(sin))) {
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ostringstream address;
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address << addr << ":" << port;
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d_address = address.str();
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} else {
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printf("error %d: %s\n", errno, strerror(errno));
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perror("connect(d_tap, (struct sockaddr*) &sin, sizeof(sin))");
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close(d_cai);
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d_cai = -1;
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}
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} else {
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perror("socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)");
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d_cai = -1;
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}
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}
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p25cai_du_handler::~p25cai_du_handler()
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{
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if(-1 != d_cai) {
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close(d_cai);
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}
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}
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const char*
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p25cai_du_handler::destination() const
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{
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return d_address.c_str();
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}
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void
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p25cai_du_handler::handle(data_unit_sptr du)
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{
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if(-1 != d_cai) {
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const size_t CAI_SZ = du->size();
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uint8_t cai[CAI_SZ];
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du->decode_frame(CAI_SZ, cai);
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write(d_cai, cai, CAI_SZ);
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}
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data_unit_handler::handle(du);
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}
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