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moved config reading to utilities.h

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using GetOpt for CLI option reading
This commit is contained in:
sala 2014-09-08 11:44:58 +02:00
parent dc6045a14c
commit 9489cb8040
1 changed files with 66 additions and 99 deletions
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165
slsReceiverSoftware/slsReceiver/slsReceiver.cpp
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@ -9,132 +9,99 @@
#include <fstream>
#include <stdlib.h>
#include <getopt.h>
#include "slsReceiver.h"
//#include "slsReceiverUDPFunctions.h"
//#include "eigerReceiver.h"
#include "UDPInterface.h"
//#include "UDPBaseImplementation.h"
#include "utilities.h"
using namespace std;
slsReceiver::slsReceiver(int argc, char *argv[], int &success){
/**
* Constructor method to start up a Receiver server. Reads configuration file, options, and
* assembles a Receiver using TCP and UDP detector interfaces
*
* @param iarg
*
* @return
*/
//creating base receiver
int tcpip_port_no=-1;
ifstream infile;
string sLine,sargname;
int iline = 0;
int tcpip_port_no = 1984;
success=OK;
string fname = "";
//parse command line for config
for(int iarg=1;iarg<argc;iarg++){
if((!strcasecmp(argv[iarg],"-config"))||(!strcasecmp(argv[iarg],"-f"))){
if(iarg+1==argc){
cout << "no config file name given. Exiting." << endl;
success=FAIL;
}
else
fname.assign(argv[iarg+1]);
static struct option long_options[] = {
/* These options set a flag. */
//{"verbose", no_argument, &verbose_flag, 1},
/* These options don’t set a flag.
We distinguish them by their indices. */
{"config", required_argument, 0, 'f'},
{"rx_tcpport", required_argument, 0, 'b'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
int c;
while ( c != -1 ){
c = getopt_long (argc, argv, "bfh", long_options, &option_index);
/* Detect the end of the options. */
if (c == -1)
break;
switch(c){
case 'f':
fname = optarg;
cout << long_options[option_index].name << " " << optarg << endl;
break;
case 'b':
sscanf(optarg,"%d",&tcpip_port_no);
cout << long_options[option_index].name << " " << optarg << endl;
break;
case 'h':
string help_message = """\nSLS Receiver Server\n\n""";
help_message += """usage: slsReceiver --config config_fname [--rx_tcpport port]\n\n""";
help_message += """\t--config:\t configuration filename for SLS Detector receiver\n""";
help_message += """\t--rx_tcpport:\t TCP Communication Port with the client. Default: 1954.\n\n""";
cout << help_message << endl;
break;
}
}
// if required fname parameter not available, fail
if (fname == "")
success = FAIL;
if((!fname.empty()) && (success == OK)){
VERBOSE_PRINT("config file name " + fname );
infile.open(fname.c_str(), ios_base::in);
if (infile.is_open()) {
while(infile.good()){
getline(infile,sLine);
iline++;
VERBOSE_PRINT(sLine);
if(sLine.find('#')!=string::npos){
VERBOSE_PRINT( "Line is a comment ");
continue;
}
else if(sLine.length()<2){
VERBOSE_PRINT("Empty line ");
continue;
}
else{
istringstream sstr(sLine);
//parameter name
if(sstr.good())
sstr >> sargname;
//tcp port
if(sargname=="rx_tcpport"){
if(sstr.good()) {
sstr >> sargname;
if(sscanf(sargname.c_str(),"%d",&tcpip_port_no))
cout<<"dataport:"<<tcpip_port_no<<endl;
else{
cout << "could not decode port in config file. Exiting." << endl;
success=FAIL;
}
}
}
}
}
infile.close();
}
else {
cout << "Error opening configuration file " << fname << endl;
success = FAIL;
}
success = read_config_file(fname, &tcpip_port_no);
VERBOSE_PRINT("Read configuration file of " + iline + " lines");
}
//parse command line for port etc.. more priority
if(success == OK){
for(int iarg=1;iarg<argc;iarg++){
//tcp port
if(!strcasecmp(argv[iarg],"-rx_tcpport")){
if(iarg+1==argc){
cout << "no port given after -rx_tcpport in command line. Exiting." << endl;
success=FAIL;
}else{
if(sscanf(argv[iarg+1],"%d",&tcpip_port_no)){
cout<<"dataport:"<<tcpip_port_no<<endl;
iarg++;
}else{
cout << "could not decode port in command line. \n\nExiting." << endl;
success=FAIL;
}
}
}
else{
cout << "Unknown argument:" << argv[iarg] << endl;
success=FAIL;
}
}
else {
cout << "Error opening configuration file " << fname << endl;
success = FAIL;
}
//help
if(success != OK){
cout << "Help Commands " << endl;
cout << "rx_tcpport:\t TCP Communication Port with the client. Default:1954. " << endl << endl;
cout << "Failed: see output above for more information " << endl;
}
if (success==OK){
cout << "SLS Receiver" << endl;
udp_interface = UDPInterface::create("stasndard");
cout << "SLS Receiver starting" << endl;
udp_interface = UDPInterface::create("standard");
tcpipInterface = new slsReceiverTCPIPInterface(success, udp_interface, tcpip_port_no);
//tcp ip interface
}