diff options
Diffstat (limited to 'anyrtpproxy/commandHandler.cpp')
-rw-r--r-- | anyrtpproxy/commandHandler.cpp | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/anyrtpproxy/commandHandler.cpp b/anyrtpproxy/commandHandler.cpp deleted file mode 100644 index 032d001..0000000 --- a/anyrtpproxy/commandHandler.cpp +++ /dev/null @@ -1,268 +0,0 @@ -/* - * anytun - * - * The secure anycast tunneling protocol (satp) defines a protocol used - * for communication between any combination of unicast and anycast - * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel - * mode and allows tunneling of every ETHER TYPE protocol (e.g. - * ethernet, ip, arp ...). satp directly includes cryptography and - * message authentication based on the methodes used by SRTP. It is - * intended to deliver a generic, scaleable and secure solution for - * tunneling and relaying of packets of any protocol. - * - * - * Copyright (C) 2007 anytun.org <satp@wirdorange.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * 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 (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <sstream> -#include <vector> - -#include <iomanip> -#include <iostream> - -#include "commandHandler.h" -#include "../buffer.h" -#include "../log.h" -#include "../syncQueue.h" -#include "../syncCommand.h" -#include "../rtpSessionTable.h" -#include "callIdQueue.h" - -#define MAX_COMMAND_LENGTH 1000 - -CommandHandler::CommandHandler(SyncQueue& q, u_int16_t lp,PortWindow & pw) : queue_(q), running_(true), control_sock_(lp), - local_address_("0.0.0.0"), local_port_(lp),port_window_(pw) -{ - pthread_create(&thread_, NULL, run, this); -} - -CommandHandler::CommandHandler(SyncQueue& q, string la, u_int16_t lp,PortWindow & pw) : queue_(q), running_(true), control_sock_(la, lp), - local_address_(la), local_port_(lp),port_window_(pw) -{ - pthread_create(&thread_, NULL, run, this); -} - -CommandHandler::~CommandHandler() -{ - pthread_cancel(thread_); - pthread_join(thread_, NULL); -} - -void* CommandHandler::run(void* s) -{ - CommandHandler* self = reinterpret_cast<CommandHandler*>(s); - - Buffer buf(u_int32_t(MAX_COMMAND_LENGTH)); - try - { - string remote_host; - u_int16_t remote_port; - - int len; - while(1) - { - buf.setLength(MAX_COMMAND_LENGTH); - len = self->control_sock_.recvFrom(buf.getBuf(), buf.getLength(), remote_host, remote_port); - buf.setLength(len); - - std::string ret = self->handle(std::string(reinterpret_cast<char*>(buf.getBuf()), buf.getLength())); // TODO: reinterpret is ugly - - cLog.msg(Log::PRIO_DEBUG) << "CommandHandler received Command from " << remote_host << ":" << remote_port - << ", ret='" << ret << "'"; - - self->control_sock_.sendTo(ret.c_str(), ret.length(), remote_host, remote_port); - } - } - catch(SocketException &e) - { - self->running_ = false; - pthread_exit(NULL); - } - self->running_ = false; - pthread_exit(NULL); -} - -bool CommandHandler::isRunning() -{ - return running_; -} - - - -std::string CommandHandler::handle(std::string command) -{ - istringstream iss(command); - ostringstream oss; - std::string cookie; - std::string cmd; - - iss >> cookie; - oss << cookie << " "; - - if(iss.bad() || iss.eof()) { - oss << RET_ERR_SYNTAX; - return oss.str(); - } - iss >> cmd; - - std::vector<std::string> params; - while(!iss.bad() && !iss.eof()) { - std::string tmp; - iss >> tmp; - params.push_back(tmp); - } - - switch(std::toupper(cmd[0])) - { - case CMD_REQUEST: - if(params.size() < 4) { oss << RET_ERR_SYNTAX; break; } - oss << handleRequest(cmd.erase(0,1), params[0], params[1], params[2], params[3], (params.size() < 5) ? "" : params[4]); - break; - case CMD_RESPONSE: - if(params.size() < 4) { oss << RET_ERR_SYNTAX; break; } - oss << handleResponse(cmd.erase(0,1), params[0], params[1], params[2], params[3], (params.size() < 5) ? "" : params[4]); - break; - case CMD_DELETE: - if(params.size() < 2) { oss << RET_ERR_SYNTAX; break; } - oss << handleDelete(params[0], params[1], (params.size() < 3) ? "" : params[2]); - break; - case CMD_VERSION: - if(cmd.length() > 1 && cmd[1] == 'F') { - if(params.size() < 1) { oss << RET_ERR_SYNTAX; break; } - oss << handleVersionF(params[0]); - break; - } - oss << handleVersion(); - break; - case CMD_INFO: - oss << handleInfo(); - break; - default: - oss << RET_ERR_SYNTAX; - break; - } - - return oss.str(); -} - -string CommandHandler::handleRequest(string modifiers, string call_id, string addr, string port, string from_tag, string to_tag) -{ - std::cout << "received request[" << modifiers << "] command ('" << call_id << "','" << addr << "','" << port - << "','" << from_tag << "','" << to_tag << "')" << std::endl; - - try - { - bool is_new; - RtpSession& session = gRtpSessionTable.getOrNewSession(call_id, is_new); - if(is_new) - { - u_int16_t port1 = port_window_.newPort(); // TODO: get next available port - u_int16_t port2 = port_window_.newPort(); // TODO: get next available port - if( !port1 || !port2) - { - if( port1) port_window_.freePort(port1); - if( port2) port_window_.freePort(port2); - throw std::runtime_error("no free port found"); - } - - session.setLocalAddr("0.0.0.0"); // TODO: read this from config - session.setLocalPort1(port1); - session.setLocalPort2(port2); - } - istringstream iss(port); - u_int16_t rport; - iss >> rport; - session.setRemotePort1(rport); - session.setRemoteAddr1(addr); - - ostringstream oss; - oss << session.getLocalPort2(); - return oss.str(); - } - catch(std::exception& e) - { - return RET_ERR_UNKNOWN; // TODO: change to corret error value - } -} - -string CommandHandler::handleResponse(string modifiers, string call_id, string addr, string port, string from_tag, string to_tag) -{ - std::cout << "received response[" << modifiers << "] command ('" << call_id << "','" << addr << "','" << port - << "','" << from_tag << "','" << to_tag << "')" << std::endl; - - try - { - RtpSession& session = gRtpSessionTable.getSession(call_id); - istringstream iss(port); - u_int16_t rport; - iss >> rport; - session.setRemotePort2(rport); - session.setRemoteAddr2(addr); - session.isComplete(true); - SyncCommand sc(call_id); - queue_.push(sc); - - ostringstream oss; - oss << session.getLocalPort1(); - return oss.str(); - } - catch(std::exception& e) - { - return RET_ERR_UNKNOWN; // TODO: change to corret error value - } -} - -string CommandHandler::handleDelete(string call_id, string from_tag, string to_tag) -{ - std::cout << "received delete command ('" << call_id << "','" << from_tag << "','" << to_tag << "')" << std::endl; - - try - { - RtpSession& session = gRtpSessionTable.getSession(call_id); - session.isDead(true); - SyncCommand sc(call_id); - queue_.push(sc); - - return RET_OK; - } - catch(std::exception& e) - { - return RET_ERR_UNKNOWN; // TODO: change to corret error value - } -} - -string CommandHandler::handleVersion() -{ - std::cout << "received version command" << std::endl; - return BASE_VERSION; -} - -string CommandHandler::handleVersionF(string date_code) -{ - std::cout << "received version[F] command ('" << date_code << "')" << std::endl; - if(!date_code.compare(SUP_VERSION)) - return "1"; - - return "0"; -} - -string CommandHandler::handleInfo() -{ - std::cout << "received info command, ignoring" << std::endl; - return RET_OK; -} - |