port_forwarder.cpp File Reference

#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <string>
#include <vector>
#include <fcntl.h>
#include <unistd.h>
#include "inet.h"
#include "inet_file.h"
#include <pwd.h>

Go to the source code of this file.

Functions
bool	scanChar (string s, char c, float &val)
bool	ForwardBytes (int fd, int mysocket_write, char buf[65536])
int	main (int argc, char **argv)

Variables
float	fadein = 0
float	fadeout = 0
float	volume = 1
bool	quit = false

Function Documentation

bool ForwardBytes	(	int	fd,
		int	mysocket_write,
		char	buf[65536]
	)

Definition at line 38 of file port_forwarder.cpp.

References INET_BytesToRead(), INET_Recv(), and INET_Write().

Referenced by main().

{
    if ( INET_BytesToRead( fd ) ) {
        int ammt = INET_Recv( fd, buf, 65535 );
        if (ammt == 0)
            return false;
        if (ammt == -1)
            return true;
        buf[ammt] = 0;
        while ( -1 == INET_Write( mysocket_write, ammt, buf ) ) {}
    }
    return true;
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 52 of file port_forwarder.cpp.

References ForwardBytes(), i, INET_AcceptFrom(), INET_cleanup(), INET_ConnectTo(), and INET_startup().

{
    char  buf[65536];
    INET_startup();
    int   fd         = -1;
    int   ofd        = -1;
    int   outport    = 6000;
    char *outaddress = "192.168.1.6";
    if (argc > 2)
        outaddress = (char*) argv[2];
    if (argc > 3)
        outport = atoi( argv[3] );
    ofd = INET_ConnectTo( outaddress, outport );
    if (ofd != -1) {
        for (int i = 0; i < 10 && fd == -1; i++) {
            int port = 4364;
            if (argc > 1) port = atoi( argv[1] );
            fd = INET_AcceptFrom( port, "localhost" );
        }
    }
    if (fd == -1)
        return 1;
    timeval t;
    t.tv_sec  = 5;
    t.tv_usec = 0;
    fd_set  fdset;
    FD_ZERO( &fdset );
    FD_SET( fd, &fdset );
    FD_SET( ofd, &fdset );
    fcntl( fd, F_SETFL, O_NONBLOCK );
    fcntl( ofd, F_SETFL, O_NONBLOCK );
    while (1) {
        //select(fd>ofd?(fd+1):(ofd+1),&fdset,NULL,NULL,&t);
        if ( !ForwardBytes( fd, ofd, buf ) )
            break;
        if ( !ForwardBytes( ofd, fd, buf ) )
            break;
    }
    INET_cleanup();
    return 0;
}

bool scanChar	(	string	s,
		char	c,
		float &	val
	)

Definition at line 20 of file port_forwarder.cpp.

References c.

Referenced by ScanOptions().

{
    char cc[2]    = {c, 0};
    string::size_type loc;
    bool anyvalid = false;
    while ( ( loc = s.find( cc ) ) != string::npos ) {
        bool valid = (loc == 0);
        if (!valid && loc > 0)
            valid = ( (s[loc-1] == '\n') || (s[loc-1] == '\r') );
        s = s.substr( loc+1 );
        if (valid) {
            sscanf( s.c_str(), "%f", &val );
            anyvalid = true;
        }
    }
    return anyvalid;
}

Variable Documentation

float fadein = 0

Definition at line 17 of file port_forwarder.cpp.

Referenced by F0rkProcess(), main(), PlayMusic(), and ScanOptions().

float fadeout = 0

Definition at line 18 of file port_forwarder.cpp.

Referenced by F0rkProcess(), main(), PlayMusic(), and ScanOptions().

bool quit = false

Definition at line 37 of file port_forwarder.cpp.

float volume = 1

Definition at line 19 of file port_forwarder.cpp.

Referenced by AddMounts(), AUDChangeVolume(), createMount(), F0rkProcess(), main(), PlayMusic(), ScanOptions(), Unit::UpgradeMounts(), and Unit::WriteUnitString().