add dataChannelCount option

examples/client-benchmark/parse_cl.cpp

@@ -51,6 +51,7 @@ Cmdline::Cmdline(int argc, char *argv[]) // ISO C++17 not allowed: throw (std::s
 	                                       {"enableThroughputSet", no_argument, NULL, 'p'},
 	                                       {"throughtputSetAsKB", required_argument, NULL, 'r'},
 	                                       {"bufferSize", required_argument, NULL, 'b'},
+										   {"dataChannelCount", required_argument, NULL, 'c'},
 	                                       {"help", no_argument, NULL, 'h'},
 	                                       {NULL, 0, NULL, 0}};
 
@@ -68,9 +69,10 @@ Cmdline::Cmdline(int argc, char *argv[]) // ISO C++17 not allowed: throw (std::s
 	_p = false;
 	_r = 300;
 	_b = 0;
+	_c = 1;
 
 	optind = 0;
-	while ((c = getopt_long(argc, argv, "s:t:w:x:d:r:b:enhvop", long_options, &optind)) != -1) {
+	while ((c = getopt_long(argc, argv, "s:t:w:x:d:r:b:c:enhvop", long_options, &optind)) != -1) {
 		switch (c) {
 		case 'n':
 			_n = true;
@@ -147,6 +149,15 @@ Cmdline::Cmdline(int argc, char *argv[]) // ISO C++17 not allowed: throw (std::s
 			}
 			break;
 
+		case 'c':
+			_c = atoi(optarg);
+			if (_c <= 0) {
+				std::string err;
+				err += "parameter range error: c must be > 0";
+				throw(std::range_error(err));
+			}
+			break;
+
 		case 'h':
 			_h = true;
 			this->usage(EXIT_SUCCESS);
@@ -196,6 +207,8 @@ libdatachannel client implementing WebRTC Data Channels with WebSocket signaling
           Send a constant data per second (KB). See throughtputSetAsKB params.\n\
    [ -r ] [ --throughtputSetAsKB ] (type=INTEGER, range>0...INT_MAX, default=300)\n\
           Send constant data per second (KB).\n\
+   [ -c ] [ --dataChannelCount ] (type=INTEGER, range>0...INT_MAX, default=1)\n\
+          Dat Channel count to create.\n\
    [ -h ] [ --help ] (type=FLAG)\n\
           Display this help and exit.\n";
 	}

examples/client-benchmark/parse_cl.h

@@ -45,6 +45,7 @@ private:
   bool _p;
   int _r;
   int _b;
+  int _c;
 
   /* other stuff to keep track of */
   std::string _program_name;
@@ -69,9 +70,10 @@ public:
   bool h () const { return _h; }
   int durationInSec () const { return _d; }
   bool noSend () const { return _o; }
-  int bufferSize() const { return _b;}
+  int bufferSize() const { return _b; }
   bool enableThroughputSet () const { return _p; }
-  int throughtputSetAsKB() const { return _r;}  
+  int throughtputSetAsKB() const { return _r; }  
+  int dataChannelCount() const { return _c; }
 };
 
 #endif