mahimahi/delayshell.cc at cumulus · talalahmad/mahimahi

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/* -*-mode:c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

#include <vector>

#include <string>

#include "delay_queue.hh"

#include "util.hh"

#include "packetshell.cc"

using namespace std;

int main( int argc, char *argv[] )

{

try {

/* clear environment while running as root */

char ** const user_environment = environ;

environ = nullptr;

check_requirements( argc, argv );

if ( argc < 2 ) {

throw Exception( "Usage", string( argv[ 0 ] ) + " delay-milliseconds [command...]" );

}

const uint64_t delay_ms = myatoi( argv[ 1 ] );

vector< string > command;

if ( argc == 2 ) {

command.push_back( shell_path() );

} else {

for ( int i = 2; i < argc; i++ ) {

command.push_back( argv[ i ] );

}

PacketShell<DelayQueue> delay_shell_app( "delay" );

delay_shell_app.start_uplink( "[delay " + to_string( delay_ms ) + " ms] ",

user_environment,

command,

delay_ms );

delay_shell_app.start_downlink( delay_ms );

return delay_shell_app.wait_for_exit();

} catch ( const Exception & e ) {

e.perror();

return EXIT_FAILURE;

}