Added a --num-commports argument to the wrench daemon

Author: henricasanova

tools/wrench/wrench-daemon/include/SimulationLauncher.h

@@ -23,6 +23,7 @@ class SimulationLauncher {
     ~SimulationLauncher() = default;
 
     void createSimulation(bool full_log,
+                          unsigned long num_commports,
                           const std::string &platform_xml,
                           const std::string &controller_host,
                           int sleep_us);

tools/wrench/wrench-daemon/include/WRENCHDaemon.h

@@ -34,6 +34,7 @@ class WRENCHDaemon {
 public:
     WRENCHDaemon(bool simulation_logging,
                  bool daemon_logging,
+                 unsigned long num_commports,
                  int port_number,
                  int fixed_simulation_port_number,
                  const std::string &allowed_origin,
@@ -64,6 +65,7 @@ class WRENCHDaemon {
 
     bool simulation_logging;
     bool daemon_logging;
+    unsigned long num_commports;
     int port_number;
     int fixed_simulation_port_number;
     std::string allowed_origin;

tools/wrench/wrench-daemon/src/SimulationLauncher.cpp

@@ -22,11 +22,13 @@
  *        simple sets an error message variable and returns
  *
  * @param full_log: whether to show all simulation log
+ * @param num_commports: the number of comm ports to use
  * @param platform_xml: XML platform description (an XML string - not a file path)
  * @param controller_host: hostname of the host that will run the execution_controller
  * @param sleep_us: number of microseconds to sleep at each iteration of the main loop
  */
 void SimulationLauncher::createSimulation(bool full_log,
+                                          unsigned long num_commports,
                                           const std::string &platform_xml,
                                           const std::string &controller_host,
                                           int sleep_us) {
@@ -35,11 +37,12 @@ void SimulationLauncher::createSimulation(bool full_log,
 
     try {
         // Set up command-line arguments
-        int argc = (full_log ? 2 : 1);
+        int argc = (full_log ? 3 : 2);
         char **argv = (char **) calloc((size_t) argc, sizeof(char *));
         argv[0] = strdup("wrench-daemon-simulation");
-        if (argc > 1) {
-            argv[1] = strdup("--wrench-full-log");
+        argv[1] = strdup(("--wrench-commport-pool-size=" + std::to_string(num_commports)).c_str());
+        if (argc > 2) {
+            argv[2] = strdup("--wrench-full-log");
         }
 
         simulation = wrench::Simulation::createSimulation();

tools/wrench/wrench-daemon/src/WRENCHDaemon.cpp

@@ -36,6 +36,7 @@ std::vector<std::string> WRENCHDaemon::allowed_origins;
 * @brief Constructor
 * @param simulation_logging true if simulation logging should be printed
 * @param daemon_logging true if daemon logging should be printed
+* @param num_commports the number of commports to use
 * @param port_number port number on which to listen for 'start simulation' requests
 * @param simulation_port_number port number on which to listen for a new simulation (0 means: use a random port each time)
 * @param allowed_origin allowed origin for http connection
@@ -44,11 +45,13 @@ std::vector<std::string> WRENCHDaemon::allowed_origins;
 */
 WRENCHDaemon::WRENCHDaemon(bool simulation_logging,
                            bool daemon_logging,
+                           unsigned long num_commports,
                            int port_number,
                            int simulation_port_number,
                            const std::string &allowed_origin,
                            int sleep_us) : simulation_logging(simulation_logging),
                                            daemon_logging(daemon_logging),
+                                           num_commports(num_commports),
                                            port_number(port_number),
                                            fixed_simulation_port_number(simulation_port_number),
                                            sleep_us(sleep_us) {
@@ -240,6 +243,7 @@ void WRENCHDaemon::startSimulation(const Request &req, Response &res) {
             auto simulation_thread = std::thread([simulation_launcher, this, body, &guard, &signal]() {
                 // Create simulation
                 simulation_launcher->createSimulation(this->simulation_logging,
+                                                      this->num_commports,
                                                       body["platform_xml"],
                                                       body["controller_hostname"],
                                                       this->sleep_us);

tools/wrench/wrench-daemon/src/main.cpp

@@ -43,6 +43,8 @@ int main(int argc, char **argv) {
              "Show full simulation log during execution")
             ("daemon-logging", po::bool_switch()->default_value(false),
              "Show full daemon log during execution")
+            ("num-commports", po::value<unsigned long>()->default_value(5000)->notifier(in(1, 100000, "port")),
+             "The number of commports that the simulation can use")
             ("port", po::value<int>()->default_value(8101)->notifier(in(1024, 49151, "port")),
              "A port number, between 1024 and 4951, on which this daemon will listen for 'start simulation' requests")
             ("allow-origin", po::value<std::string>()->default_value(""),
@@ -69,6 +71,11 @@ int main(int argc, char **argv) {
         cerr << "Error: " << e.what() << "\n";
         exit(1);
     }
+    
+    unsigned long num_commports = 5000;
+    if (vm.count("num-commports")) {
+        num_commports = vm["num-commports"].as<unsigned long>();
+    }
 
     int simulation_port = 0;
     if (vm.count("simulation-port")) {
@@ -78,6 +85,7 @@ int main(int argc, char **argv) {
     // Create and run the WRENCH daemon
     WRENCHDaemon daemon(vm["simulation-logging"].as<bool>(),
                         vm["daemon-logging"].as<bool>(),
+                        num_commports,
                         vm["port"].as<int>(),
                         simulation_port,
                         vm["allow-origin"].as<std::string>(),