246 lines
6.4 KiB
C++
246 lines
6.4 KiB
C++
/*
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* Copyright (C) 2019,2020,2021 by Jonathan Naylor G4KLX
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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 2 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "RemoteControl.h"
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#include "MMDVMHost.h"
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#include "Log.h"
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#include <cstdio>
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#include <cstdlib>
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#include <cassert>
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#include <cstring>
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const unsigned int SET_MODE_ARGS = 2U;
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const unsigned int ENABLE_ARGS = 2U;
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const unsigned int DISABLE_ARGS = 2U;
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const unsigned int PAGE_ARGS = 3U;
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const unsigned int CW_ARGS = 2U;
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const unsigned int BUFFER_LENGTH = 100U;
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CRemoteControl::CRemoteControl(CMMDVMHost *host, const std::string address, unsigned int port) :
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m_host(host),
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m_socket(address, port),
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m_command(RCD_NONE),
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m_args()
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{
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assert(port > 0U);
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}
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CRemoteControl::~CRemoteControl()
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{
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}
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bool CRemoteControl::open()
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{
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return m_socket.open();
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}
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REMOTE_COMMAND CRemoteControl::getCommand()
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{
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m_command = RCD_NONE;
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m_args.clear();
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char command[BUFFER_LENGTH];
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char buffer[BUFFER_LENGTH * 2];
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std::string replyStr = "OK";
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sockaddr_storage address;
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unsigned int addrlen;
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int ret = m_socket.read((unsigned char*)buffer, BUFFER_LENGTH, address, addrlen);
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if (ret > 0) {
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buffer[ret] = '\0';
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// Make a copy of the original command for logging.
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::strcpy(command, buffer);
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// Parse the original command into a vector of strings.
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char* b = buffer;
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char* p = NULL;
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while ((p = ::strtok(b, " ")) != NULL) {
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b = NULL;
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m_args.push_back(std::string(p));
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}
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if (m_args.at(0U) == "mode" && m_args.size() >= SET_MODE_ARGS) {
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// Mode command is in the form of "mode <mode> [<timeout>|fixed]"
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if (m_args.at(1U) == "idle")
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m_command = RCD_MODE_IDLE;
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else if (m_args.at(1U) == "lockout")
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m_command = RCD_MODE_LOCKOUT;
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else if (m_args.at(1U) == "d-star")
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m_command = RCD_MODE_DSTAR;
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else if (m_args.at(1U) == "dmr")
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m_command = RCD_MODE_DMR;
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else if (m_args.at(1U) == "ysf")
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m_command = RCD_MODE_YSF;
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else if (m_args.at(1U) == "p25")
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m_command = RCD_MODE_P25;
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else if (m_args.at(1U) == "nxdn")
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m_command = RCD_MODE_NXDN;
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else if (m_args.at(1U) == "m17")
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m_command = RCD_MODE_M17;
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else
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replyStr = "KO";
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} else if (m_args.at(0U) == "enable" && m_args.size() >= ENABLE_ARGS) {
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if (m_args.at(1U) == "dstar")
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m_command = RCD_ENABLE_DSTAR;
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else if (m_args.at(1U) == "dmr")
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m_command = RCD_ENABLE_DMR;
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else if (m_args.at(1U) == "ysf")
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m_command = RCD_ENABLE_YSF;
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else if (m_args.at(1U) == "p25")
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m_command = RCD_ENABLE_P25;
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else if (m_args.at(1U) == "nxdn")
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m_command = RCD_ENABLE_NXDN;
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else if (m_args.at(1U) == "m17")
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m_command = RCD_ENABLE_M17;
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else if (m_args.at(1U) == "fm")
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m_command = RCD_ENABLE_FM;
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else if (m_args.at(1U) == "ax25")
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m_command = RCD_ENABLE_AX25;
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else
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replyStr = "KO";
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} else if (m_args.at(0U) == "disable" && m_args.size() >= DISABLE_ARGS) {
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if (m_args.at(1U) == "dstar")
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m_command = RCD_DISABLE_DSTAR;
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else if (m_args.at(1U) == "dmr")
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m_command = RCD_DISABLE_DMR;
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else if (m_args.at(1U) == "ysf")
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m_command = RCD_DISABLE_YSF;
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else if (m_args.at(1U) == "p25")
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m_command = RCD_DISABLE_P25;
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else if (m_args.at(1U) == "nxdn")
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m_command = RCD_DISABLE_NXDN;
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else if (m_args.at(1U) == "m17")
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m_command = RCD_DISABLE_M17;
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else if (m_args.at(1U) == "fm")
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m_command = RCD_DISABLE_FM;
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else if (m_args.at(1U) == "ax25")
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m_command = RCD_DISABLE_AX25;
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else
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replyStr = "KO";
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} else if (m_args.at(0U) == "page" && m_args.size() >= PAGE_ARGS) {
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// Page command is in the form of "page <ric> <message>"
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m_command = RCD_PAGE;
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} else if (m_args.at(0U) == "cw" && m_args.size() >= CW_ARGS) {
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// CW command is in the form of "cw <message>"
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m_command = RCD_CW;
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} else if (m_args.at(0U) == "reload") {
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// Reload command is in the form of "reload"
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m_command = RCD_RELOAD;
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} else if (m_args.at(0U) == "status") {
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if (m_host != NULL) {
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m_host->buildNetworkStatusString(replyStr);
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} else {
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replyStr = "KO";
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}
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m_command = RCD_CONNECTION_STATUS;
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} else if (m_args.at(0U) == "hosts") {
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if (m_host != NULL) {
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m_host->buildNetworkHostsString(replyStr);
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} else {
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replyStr = "KO";
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}
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m_command = RCD_CONFIG_HOSTS;
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} else {
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replyStr = "KO";
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}
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::snprintf(buffer, BUFFER_LENGTH * 2, "%s remote command of \"%s\" received", ((m_command == RCD_NONE) ? "Invalid" : "Valid"), command);
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if (m_command == RCD_NONE) {
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m_args.clear();
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LogWarning(buffer);
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} else {
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#if !defined(REMOTE_COMMAND_NO_LOG)
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LogMessage(buffer);
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#endif
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}
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m_socket.write((unsigned char*)replyStr.c_str(), replyStr.length(), address, addrlen);
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}
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return m_command;
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}
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unsigned int CRemoteControl::getArgCount() const
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{
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switch (m_command) {
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case RCD_MODE_IDLE:
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case RCD_MODE_LOCKOUT:
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case RCD_MODE_DSTAR:
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case RCD_MODE_DMR:
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case RCD_MODE_YSF:
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case RCD_MODE_P25:
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case RCD_MODE_NXDN:
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case RCD_MODE_M17:
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return m_args.size() - SET_MODE_ARGS;
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case RCD_PAGE:
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return m_args.size() - 1U;
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case RCD_CW:
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return m_args.size() - 1U;
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default:
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return 0U;
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}
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}
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std::string CRemoteControl::getArgString(unsigned int n) const
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{
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switch (m_command) {
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case RCD_MODE_IDLE:
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case RCD_MODE_LOCKOUT:
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case RCD_MODE_DSTAR:
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case RCD_MODE_DMR:
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case RCD_MODE_YSF:
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case RCD_MODE_P25:
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case RCD_MODE_NXDN:
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case RCD_MODE_M17:
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n += SET_MODE_ARGS;
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break;
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case RCD_PAGE:
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n += 1U;
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break;
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case RCD_CW:
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n += 1U;
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break;
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default:
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return "";
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}
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if (n >= m_args.size())
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return "";
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return m_args.at(n);
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}
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unsigned int CRemoteControl::getArgUInt(unsigned int n) const
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{
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return (unsigned int)::atoi(getArgString(n).c_str());
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}
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int CRemoteControl::getArgInt(unsigned int n) const
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{
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return ::atoi(getArgString(n).c_str());
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}
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void CRemoteControl::close()
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{
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m_socket.close();
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}
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