/// Write-only accessor to _destPort.
/// @param newVal The TCP port between 0 and 65535.
/// @throw InvalidPort If the port is out of range.
virtual void setDestPort(const int& newVal) {
if ( checkValidPort(newVal) ) _destPort = newVal;
else throw InvalidPort("Bad port number given to devUdp4::setPort");
_dest_addr.sin_port = htons(newVal);
}
int ParseArgument(int argc,char * argv[],std::string& local_addr,std::string& remote_addr,int& local_port,int& remote_port)
{
int ret = 0;
int err = 0;
bool helpflag = false;
const char* short_opts="hi:p:a:t:";
const struct option long_opts[] = {
{"help",no_argument,NULL,'h'},
{"local_addr",required_argument,NULL,'i'},
{"local_port",required_argument,NULL,'p'},
{"remote_addr",required_argument,NULL,'a'},
{"remote_port",required_argument,NULL,'t'},
{0,0,0,0}
};
std::string temp_local_addr;
std::string temp_local_port;
std::string temp_remote_addr;
std::string temp_remote_port;
if ( argc < 2 ) {
helpflag = true;
err = ERR_LACK_ARGUMENT;
}
while ( -1 != ( ret=getopt_long(argc,argv,short_opts,long_opts,NULL))) {
switch (ret) {
case 'h':
helpflag=true;
break;
case 'i':
temp_local_addr = optarg;
if ( InvalidIP(temp_local_addr) ) {
err = ERR_INVALID_IPADDR;
std::cerr<<"Invalid ip addr -"<<char(ret)<<" "<<temp_local_addr<<std::endl;
}
break;
case 'p':
temp_local_port = optarg;
if ( InvalidPort(temp_local_port) ) {
err = ERR_INVALID_PORT;
std::cerr<<"Invalid port -"<<char(ret)<<" "<<temp_local_port<<std::endl;
}
break;
case 'a':
temp_remote_addr = optarg;
if ( InvalidIP(temp_remote_addr) ) {
err = ERR_INVALID_IPADDR;
std::cerr<<"Invalid ip addr -"<<char(ret)<<" "<<temp_remote_addr<<std::endl;
}
break;
case 't':
temp_remote_port = optarg;
if ( InvalidPort(temp_remote_port) ) {
err = ERR_INVALID_PORT;
std::cerr<<"Invalid ip addr -"<<char(ret)<<" "<<temp_remote_port<<std::endl;
}
break;
case '?':
helpflag = true;
err = ERR_PARSE_ARGUMENT;
break;
default:
helpflag = true;
err = ERR_UNRECOGNIZED_ARGUMENT;
break;
}
}
if ( helpflag || 0 != err ) {
Usage();
} else {
local_addr = temp_local_addr;
remote_addr = temp_remote_addr;
local_port = StringAsInt(temp_local_port);
remote_port = StringAsInt(temp_remote_port);
}
return err;
}
