1 /* <!-- copyright */ 2 /* 3 * aria2 - The high speed download utility 4 * 5 * Copyright (C) 2006 Tatsuhiro Tsujikawa 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * 21 * In addition, as a special exception, the copyright holders give 22 * permission to link the code of portions of this program with the 23 * OpenSSL library under certain conditions as described in each 24 * individual source file, and distribute linked combinations 25 * including the two. 26 * You must obey the GNU General Public License in all respects 27 * for all of the code used other than OpenSSL. If you modify 28 * file(s) with this exception, you may extend this exception to your 29 * version of the file(s), but you are not obligated to do so. If you 30 * do not wish to do so, delete this exception statement from your 31 * version. If you delete this exception statement from all source 32 * files in the program, then also delete it here. 33 */ 34 /* copyright --> */ 35 #ifndef D_INITIATE_CONNECTION_COMMAND_H 36 #define D_INITIATE_CONNECTION_COMMAND_H 37 38 #include "AbstractCommand.h" 39 40 namespace aria2 { 41 42 struct BackupConnectInfo; 43 class ConnectCommand; 44 45 class InitiateConnectionCommand : public AbstractCommand { 46 protected: 47 /** 48 * Connect to the server. 49 * This method just send connection request to the server. 50 * Using nonblocking mode of socket, this function returns immediately 51 * after send connection packet to the server. 52 */ 53 virtual bool executeInternal() CXX11_OVERRIDE; 54 55 // hostname and port are the hostname and port number we are going 56 // to connect. If proxy server is used, these values are hostname 57 // and port of proxy server. addr is one of resolved address and we 58 // use this address this time. resolvedAddresses are all addresses 59 // resolved. proxyRequest is set if we are going to use proxy 60 // server. 61 virtual std::unique_ptr<Command> 62 createNextCommand(const std::string& hostname, const std::string& addr, 63 uint16_t port, 64 const std::vector<std::string>& resolvedAddresses, 65 const std::shared_ptr<Request>& proxyRequest) = 0; 66 67 void setConnectedAddrInfo(const std::shared_ptr<Request>& req, 68 const std::string& hostname, 69 const std::shared_ptr<SocketCore>& socket); 70 71 std::shared_ptr<BackupConnectInfo> 72 createBackupIPv4ConnectCommand(const std::string& hostname, 73 const std::string& ipaddr, uint16_t port, 74 Command* mainCommand); 75 76 void setupBackupConnection(const std::string& hostname, 77 const std::string& addr, uint16_t port, 78 ConnectCommand* c); 79 80 public: 81 InitiateConnectionCommand(cuid_t cuid, const std::shared_ptr<Request>& req, 82 const std::shared_ptr<FileEntry>& fileEntry, 83 RequestGroup* requestGroup, DownloadEngine* e); 84 85 virtual ~InitiateConnectionCommand(); 86 }; 87 88 } // namespace aria2 89 90 #endif // D_INITIATE_CONNECTION_COMMAND_H 91