/* * Copyright (C) 2019,2020,2021 by Jonathan Naylor G4KLX * * 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 * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "RemoteControl.h" #include "MMDVMHost.h" #include "Log.h" #include #include #include #include const unsigned int SET_MODE_ARGS = 2U; const unsigned int ENABLE_ARGS = 2U; const unsigned int DISABLE_ARGS = 2U; const unsigned int PAGE_ARGS = 3U; const unsigned int CW_ARGS = 2U; const unsigned int BUFFER_LENGTH = 100U; CRemoteControl::CRemoteControl(CMMDVMHost *host, const std::string address, unsigned int port) : m_host(host), m_socket(address, port), m_command(RCD_NONE), m_args() { assert(port > 0U); } CRemoteControl::~CRemoteControl() { } bool CRemoteControl::open() { return m_socket.open(); } REMOTE_COMMAND CRemoteControl::getCommand() { m_command = RCD_NONE; m_args.clear(); char command[BUFFER_LENGTH]; char buffer[BUFFER_LENGTH * 2]; std::string replyStr = "OK"; sockaddr_storage address; unsigned int addrlen; int ret = m_socket.read((unsigned char*)buffer, BUFFER_LENGTH, address, addrlen); if (ret > 0) { buffer[ret] = '\0'; // Make a copy of the original command for logging. ::strcpy(command, buffer); // Parse the original command into a vector of strings. char* b = buffer; char* p = NULL; while ((p = ::strtok(b, " ")) != NULL) { b = NULL; m_args.push_back(std::string(p)); } if (m_args.at(0U) == "mode" && m_args.size() >= SET_MODE_ARGS) { // Mode command is in the form of "mode [|fixed]" if (m_args.at(1U) == "idle") m_command = RCD_MODE_IDLE; else if (m_args.at(1U) == "lockout") m_command = RCD_MODE_LOCKOUT; else if (m_args.at(1U) == "d-star") m_command = RCD_MODE_DSTAR; else if (m_args.at(1U) == "dmr") m_command = RCD_MODE_DMR; else if (m_args.at(1U) == "ysf") m_command = RCD_MODE_YSF; else if (m_args.at(1U) == "p25") m_command = RCD_MODE_P25; else if (m_args.at(1U) == "nxdn") m_command = RCD_MODE_NXDN; else if (m_args.at(1U) == "m17") m_command = RCD_MODE_M17; else replyStr = "KO"; } else if (m_args.at(0U) == "enable" && m_args.size() >= ENABLE_ARGS) { if (m_args.at(1U) == "dstar") m_command = RCD_ENABLE_DSTAR; else if (m_args.at(1U) == "dmr") m_command = RCD_ENABLE_DMR; else if (m_args.at(1U) == "ysf") m_command = RCD_ENABLE_YSF; else if (m_args.at(1U) == "p25") m_command = RCD_ENABLE_P25; else if (m_args.at(1U) == "nxdn") m_command = RCD_ENABLE_NXDN; else if (m_args.at(1U) == "m17") m_command = RCD_ENABLE_M17; else if (m_args.at(1U) == "fm") m_command = RCD_ENABLE_FM; else if (m_args.at(1U) == "ax25") m_command = RCD_ENABLE_AX25; else replyStr = "KO"; } else if (m_args.at(0U) == "disable" && m_args.size() >= DISABLE_ARGS) { if (m_args.at(1U) == "dstar") m_command = RCD_DISABLE_DSTAR; else if (m_args.at(1U) == "dmr") m_command = RCD_DISABLE_DMR; else if (m_args.at(1U) == "ysf") m_command = RCD_DISABLE_YSF; else if (m_args.at(1U) == "p25") m_command = RCD_DISABLE_P25; else if (m_args.at(1U) == "nxdn") m_command = RCD_DISABLE_NXDN; else if (m_args.at(1U) == "m17") m_command = RCD_DISABLE_M17; else if (m_args.at(1U) == "fm") m_command = RCD_DISABLE_FM; else if (m_args.at(1U) == "ax25") m_command = RCD_DISABLE_AX25; else replyStr = "KO"; } else if (m_args.at(0U) == "page" && m_args.size() >= PAGE_ARGS) { // Page command is in the form of "page " m_command = RCD_PAGE; } else if (m_args.at(0U) == "cw" && m_args.size() >= CW_ARGS) { // CW command is in the form of "cw " m_command = RCD_CW; } else if (m_args.at(0U) == "reload") { // Reload command is in the form of "reload" m_command = RCD_RELOAD; } else if (m_args.at(0U) == "status") { if (m_host != NULL) { m_host->buildNetworkStatusString(replyStr); } else { replyStr = "KO"; } m_command = RCD_CONNECTION_STATUS; } else if (m_args.at(0U) == "hosts") { if (m_host != NULL) { m_host->buildNetworkHostsString(replyStr); } else { replyStr = "KO"; } m_command = RCD_CONFIG_HOSTS; } else { replyStr = "KO"; } ::snprintf(buffer, BUFFER_LENGTH * 2, "%s remote command of \"%s\" received", ((m_command == RCD_NONE) ? "Invalid" : "Valid"), command); if (m_command == RCD_NONE) { m_args.clear(); LogWarning(buffer); } else { #if !defined(REMOTE_COMMAND_NO_LOG) LogMessage(buffer); #endif } m_socket.write((unsigned char*)replyStr.c_str(), replyStr.length(), address, addrlen); } return m_command; } unsigned int CRemoteControl::getArgCount() const { switch (m_command) { case RCD_MODE_IDLE: case RCD_MODE_LOCKOUT: case RCD_MODE_DSTAR: case RCD_MODE_DMR: case RCD_MODE_YSF: case RCD_MODE_P25: case RCD_MODE_NXDN: case RCD_MODE_M17: return m_args.size() - SET_MODE_ARGS; case RCD_PAGE: return m_args.size() - 1U; case RCD_CW: return m_args.size() - 1U; default: return 0U; } } std::string CRemoteControl::getArgString(unsigned int n) const { switch (m_command) { case RCD_MODE_IDLE: case RCD_MODE_LOCKOUT: case RCD_MODE_DSTAR: case RCD_MODE_DMR: case RCD_MODE_YSF: case RCD_MODE_P25: case RCD_MODE_NXDN: case RCD_MODE_M17: n += SET_MODE_ARGS; break; case RCD_PAGE: n += 1U; break; case RCD_CW: n += 1U; break; default: return ""; } if (n >= m_args.size()) return ""; return m_args.at(n); } unsigned int CRemoteControl::getArgUInt(unsigned int n) const { return (unsigned int)::atoi(getArgString(n).c_str()); } int CRemoteControl::getArgInt(unsigned int n) const { return ::atoi(getArgString(n).c_str()); } void CRemoteControl::close() { m_socket.close(); }