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// not finished
// author: arvin@suse.de
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <wvstream.h>
#include "wvdialmon.h"
#include "wvfork.h"
#include "wvfdstream.h"
WvStream *pppd_log = NULL; // to read messages of pppd
WvDialMon pppd_mon;
int main( int argc, char ** argv )
{
int argc_ppp = 0;
const char * argv_ppp[ argc+10 ];
argv_ppp[argc_ppp++] = "/usr/sbin/pppd";
for( int i = 1; i < argc; i++ )
argv_ppp[argc_ppp++] = argv[i];
// open a pipe to access the messages of pppd
int pppd_msgfd[2];
if( pipe( pppd_msgfd ) == -1 ) {
fprintf( stderr, "pipe failed: %s\n", strerror(errno) );
exit( EXIT_FAILURE );
}
char buffer[20];
sprintf( buffer, "%d", pppd_msgfd[1] );
argv_ppp[argc_ppp++] = "logfd";
argv_ppp[argc_ppp++] = buffer;
pppd_log = new WvFDStream( pppd_msgfd[0] );
pppd_mon.setconnectmsg( "Connected..." );
/*
for( int i = 0; i < argc_ppp; i++ )
printf( "%s\n", argv_ppp[i] );
*/
// fork and exec pppd
pid_t pid = wvfork();
if( pid == (pid_t) 0 ) { // we are the child
argv_ppp[argc_ppp] = NULL;
execv( argv_ppp[0], (char* const*)argv_ppp );
fprintf( stderr, "exec failed: %s\n", strerror(errno) );
exit( EXIT_FAILURE );
}
if( pid < (pid_t) 0 ) { // the fork failed
fprintf( stderr, "error: can't fork child process\n" );
exit( EXIT_FAILURE );
}
/*
ppp_pipe = new WvPipe( argv_ppp[0], argv_ppp, false, false, false );
*/
// install signals
for( ;; ) {
// see if pppd is still alive
// now watch for messages and output to stdout
if( pppd_log != NULL && pppd_log->isok() ) {
char *line;
do {
line = pppd_log->blocking_getline( 100 );
if( line != NULL ) {
char *buffer1 = pppd_mon.analyse_line( line );
if( buffer1 != NULL && buffer1[0] != '\0' ) {
char buffer2[ strlen( buffer1 ) + 10 ];
sprintf( buffer2, "pppd: %s", buffer1 );
fprintf( stdout, "%s", buffer2 );
}
}
} while( line != NULL );
}
}
exit( EXIT_SUCCESS );
}
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