// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // // $Id: FRClient.cc 66870 2013-01-14 23:38:59Z adotti $ // // FRClient.cc // FukuiRenderer Client // Yasuhide Sawada & Satoshi Tanaka //=================// #ifndef WIN32 //=================// //=================// #ifdef G4VIS_BUILD_VRML_DRIVER //=================// #include "G4ios.hh" #include #include #include #include #include #include #include #include #include #include #include "G4VisManager.hh" #include "FRClient.h" FRClient::FRClient() { fd = -1; create(); } FRClient::~FRClient() { close(); } int FRClient::create() { /* stream socket */ fd = socket(AF_INET, SOCK_STREAM, 0); if (fd < 0) fputs("error: socket.\n", stderr); return fd; } int FRClient::connect(const char *hostname, int port_) { // local variables struct sockaddr_in sa; struct hostent *hp; // set port ( sa.sin_family, sa.sin_port ) port = port_; // Store port number to data member memset( (char *)&sa, '\0', sizeof(sa)) ; sa.sin_family = AF_INET; sa.sin_port = htons(port); // set server host ( sa.sin_addr ) if (hostname == NULL) { hostname = "localhost"; // reset arg } hp = gethostbyname(hostname) ; if ( !hp ) { if (G4VisManager::GetVerbosity() >= G4VisManager::errors) G4cout << "ERROR: gethostbyname() failed" << G4endl; return -1; } memcpy( (char * )&sa.sin_addr, (char * )hp->h_addr, hp->h_length ); // make connection to server if (::connect(fd, (struct sockaddr *)&sa, sizeof(sa)) == -1) { fputs("error: connect\n", stderr); return -1; } // return file descripter (data member) return fd; } int FRClient::send(const char *sendbuf) { int len = strlen(sendbuf); if (::send(fd, sendbuf, len, 0) < 0) { fputs("error: Send()\n", stderr); len = -1; } return len; } int FRClient::receive(char *recvbuf) { int len; memset(recvbuf, '\0', FRSendLength + 1); len = ::recv(fd, recvbuf, FRSendLength, 0); if(len < 0) { fputs("error: Receive()\n", stderr); len = -1; } return len; } int FRClient::close() { /* shutdown :argument '2' means shutdown both send and receive. */ if (::shutdown(fd, 2) < 0) { fputs("error: shutdown\n", stderr); return -1; } ::close(fd); return 0; } #endif //G4VIS_BUILD_VRML_DRIVER #endif // WIN32