Gabriele Cosmo
132 lines
2.4 KiB
C++
132 lines
2.4 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: FRClient.cc,v 1.3 1999/12/15 14:54:15 gunter Exp $
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// GEANT4 tag $Name: geant4-02-00 $
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//
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// FRClient.cc
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// FukuiRenderer Client
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// Yasuhide Sawada & Satoshi Tanaka
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//=================//
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#ifdef G4VIS_BUILD_VRML_DRIVER
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//=================//
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#include "G4ios.hh"
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include "FRClient.h"
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FRClient::FRClient()
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{
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fd = -1;
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create();
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}
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FRClient::~FRClient()
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{
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close();
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}
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int FRClient::create()
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{
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/* stream socket */
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fd = socket(AF_INET, SOCK_STREAM, 0);
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if (fd < 0)
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fputs("error: socket.\n", stderr);
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return fd;
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}
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int FRClient::connect(const char *hostname, int port_)
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{
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// local variables
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struct sockaddr_in sa;
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struct hostent *hp;
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// set port ( sa.sin_family, sa.sin_port )
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port = port_; // Store port number to data member
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memset( (char *)&sa, '\0', sizeof(sa)) ;
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sa.sin_family = AF_INET;
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sa.sin_port = htons(port);
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// set server host ( sa.sin_addr )
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if (hostname == NULL) {
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hostname = "localhost";
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// reset arg
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}
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hp = gethostbyname(hostname) ;
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if ( !hp ) {
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G4cerr << "ERROR: gethostbyname() failed" << G4endl;
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return -1;
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}
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memcpy( (char * )&sa.sin_addr, (char * )hp->h_addr, hp->h_length );
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// make connection to server
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if (::connect(fd, (struct sockaddr *)&sa, sizeof(sa)) == -1) {
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fputs("error: connect\n", stderr);
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return -1;
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}
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// return file descripter (data member)
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return fd;
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}
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int FRClient::send(const char *sendbuf)
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{
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int len = strlen(sendbuf);
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if (::send(fd, sendbuf, len, 0) < 0) {
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fputs("error: Send()\n", stderr);
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len = -1;
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}
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return len;
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}
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int FRClient::receive(char *recvbuf)
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{
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int len;
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memset(recvbuf, '\0', FRSendLength + 1);
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len = ::recv(fd, recvbuf, FRSendLength, 0);
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if(len < 0) {
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fputs("error: Receive()\n", stderr);
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len = -1;
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}
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return len;
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}
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int FRClient::close()
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{
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/*
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shutdown :argument '2' means shutdown both send and receive.
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*/
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if (::shutdown(fd, 2) < 0) {
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fputs("error: shutdown\n", stderr);
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return -1;
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}
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::close(fd);
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return 0;
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}
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#endif
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