// ------------------------------- // // -------- Start of File -------- // // ------------------------------- // // ----------------------------------------------------------- // // C++ Source Code File Name: server.cpp // C++ Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC // Produced By: glNET Software // File Creation Date: 09/20/1999 // Date Last Modified: 05/25/2001 // Copyright (c) 2001 glNET Software // ----------------------------------------------------------- // // ------------- Program Description and Details ------------- // // ----------------------------------------------------------- // /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA The program is used to test gxSerialCommServer class. */ // ----------------------------------------------------------- // #include <iostream.h> #include <stdlib.h> #include <string.h> #include "scomserv.h" int ReadBlock(gxSerialCommServer *server, gxBlockHeader &gx) { cout << "Reading a raw block of data" << endl; char *buf = new char[(__ULWORD__)gx.block_length]; if(server->ReadBlock(buf, gx) != 0) return 1; buf[(__ULWORD__)gx.block_length] = 0; cout << buf; cout << server->BytesRead() << " bytes received." << endl; delete buf; return 0; } int AnswerRequest(gxSerialCommServer *server, gxBlockHeader &gx) { cout << "Client has requested a block" << endl; char *test_block = "The quick brown fox jumps over the lazy dog \ 0123456789\n"; char *buf = new char[(__ULWORD__)gx.block_length]; if(server->ReadBlock(buf, gx) != 0) return 1; buf[(__ULWORD__)gx.block_length] = 0; cout << "Client has requested block: " << buf << endl; delete buf; cout << "Answering request" << endl; if(server->WriteBlock((char *)test_block, strlen(test_block)) != 0) return 1; return 0; } int ChangeBlock(gxSerialCommServer *server, gxBlockHeader &gx) { cout << "Received a change block request" << endl; char *buf = new char[(__ULWORD__)gx.block_length]; if(server->ReadBlock(buf, gx) != 0) return 1; buf[(__ULWORD__)gx.block_length] = 0; cout << "Client requested that block \"" << buf << "\" be changed to:" << endl << flush; delete buf; gxBlockHeader block_header; if(server->ReadHeader(block_header) != 0) return 1; char *block = new char[(__ULWORD__)block_header.block_length]; if(server->ReadBlock((char *)block, block_header) != 0) return 1; cout << "Bytes = " << block_header.block_length << endl; block[(__ULWORD__)block_header.block_length] = 0; cout << block << flush; delete block; return 0; } int AddBlock(gxSerialCommServer *server, gxBlockHeader &gx) { cout << "Received an add block request" << endl; char *block = new char[(__ULWORD__)gx.block_length]; if(server->ReadBlock(block, gx) != 0) return 1; block[(__ULWORD__)gx.block_length] = 0; cout << "Client has requested the following block be added:" << endl; cout << block << flush; delete block; return 0; } int DeleteBlock(gxSerialCommServer *server, gxBlockHeader &gx) { cout << "Received a delete block request" << endl; char *buf = new char[(__ULWORD__)gx.block_length]; if(server->ReadBlock(buf, gx) != 0) return 1; buf[(__ULWORD__)gx.block_length] = 0; cout << "Client has requested block \"" << buf << "\" be deleted" << endl; delete buf; return 0; } int main(int argc, char **argv) { if(argc < 2) { cout << "GX Serial port server" << endl; cout << "Usage: " << argv[0] << " device name [baud rate]" << endl; return 1; } gxSerialCommServer server; int baud_rate = 9600; if(argc > 2 && atoi(argv[2])) baud_rate = atoi(argv[2]); cout << "Initializing the GX serial port server..." << endl; int rv = server.InitCommServer(argv[1], baud_rate); if(rv != gxSerialComm::scomm_NO_ERROR) { cout << server.SerialCommExceptionMessage() << endl; return 1; } cout << "Opening GX serial port server on " << argv[1] << endl; while(1) { // Block until the next read. // Wait for a block header gxBlockHeader gx; if(server.ReadHeader(gx) != 0) { cout << server.SerialCommExceptionMessage() << endl; return 1; } cout << "Client connecting on " << argv[1] << endl; // Read the status byte to determine what to do with this block __ULWORD__ block_status = gx.block_status; __SBYTE__ status = (__SBYTE__)((block_status & 0xFF00)>>8); switch(status) { // Process each block of data case gxAcknowledgeBlock: cout << "Received an acknowledge block command" << endl; cout << "Sending acknowledgment" << endl; if(server.WriteAckBlock() != 0) cout << server.SerialCommExceptionMessage() << endl; break; case gxAddRemoteBlock: if(AddBlock(&server, gx) != 0) cout << server.SerialCommExceptionMessage() << endl; break; case gxChangeRemoteBlock: if(ChangeBlock(&server, gx) != 0) cout << server.SerialCommExceptionMessage() << endl; break; case gxRequestBlock: if(AnswerRequest(&server, gx) != 0) cout << server.SerialCommExceptionMessage() << endl; break; case gxDeleteRemoteBlock: if(DeleteBlock(&server, gx) != 0) cout << server.SerialCommExceptionMessage() << endl; break; case gxSendBlock : if(ReadBlock(&server, gx) != 0) cout << server.SerialCommExceptionMessage() << endl; break; case gxCloseConnection : cout << "Client sent a close connection command" << endl; break; case gxKillServer: cout << "Client shutdown the server" << endl; server.Close(); return 0; default: cout << "Received bad block command from client" << endl; break; } } server.Close(); cout << "Exiting..." << endl; return 0; } // ----------------------------------------------------------- // // ------------------------------- // // --------- End of File --------- // // ------------------------------- //