00001 // socket.hh - source file for the mailfilter program 00002 // Copyright (c) 2003 Andreas Bauer <baueran@in.tum.de> 00003 // 00004 // This program is free software; you can redistribute it and/or modify 00005 // it under the terms of the GNU General Public License as published by 00006 // the Free Software Foundation; either version 2 of the License, or 00007 // (at your option) any later version. 00008 // 00009 // This program is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with this program; if not, write to the Free Software 00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00017 // USA. 00018 00019 #ifndef SOCKET_HH 00020 #define SOCKET_HH 00021 00022 #include <string> 00023 #include <csignal> 00024 #include "connection.hh" 00025 00026 using namespace std; 00027 00028 #ifndef MAX_BYTES 00029 #define MAX_BYTES 512 00030 #endif 00031 00032 class Socket : public Connection 00033 { 00034 private: 00035 int sd; // Socket descriptor. 00036 int time_out; // Time out. 00037 static void connect_alarm (int); // Alarm handler. 00038 string* read_buffer; // Server replies after read (). 00039 00040 public: 00041 void clear (void); 00042 int c_open (const char* host, 00043 int port, 00044 int time_out); 00045 int c_close (void); 00046 int c_write (const char* command); 00047 int c_read (bool = false); 00048 string* c_reply (void); 00049 }; 00050 00051 #endif