Add load balancing algorithm selection facility.

[loba.git] / main.cpp

diff --git a/main.cpp b/main.cpp
index d48bd877a790782951f61ceac2f4b73b1cd45e3d..1b462c2549769741c19876caaae41f4d2bbdeba8 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -1,15 +1,24 @@
 #include <cstring>
 #include <iostream>
+#include <stdexcept>
 #include <msg/msg.h>
 #include <xbt/log.h>
+#include "deployment.h"
+#include "hostdata.h"
 #include "misc.h"
 #include "options.h"
 #include "process.h"
 #include "timer.h"
 #include "version.h"
 
-// Creates a new log category and makes it the default
-XBT_LOG_NEW_DEFAULT_CATEGORY(simu, "Simulation messages");
+// Creates log categories
+XBT_LOG_NEW_CATEGORY(simu, "Simulation messages");
+XBT_LOG_NEW_SUBCATEGORY(main, simu, "Messages from global infrastructure");
+XBT_LOG_NEW_SUBCATEGORY(comm, simu, "Messages from asynchronous pipes");
+XBT_LOG_NEW_SUBCATEGORY(proc, simu, "Messages from base process class");
+XBT_LOG_NEW_SUBCATEGORY(loba, simu, "Messages from load-balancer");
+
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
 
 // Failure exit status
 enum {
@@ -20,10 +29,20 @@ enum {
     EXIT_FAILURE_CLEAN = 0x08,  // error at cleanup
 };
 
+#include "loba_simple.h"
 int simulation_main(int argc, char* argv[])
 {
-    process proc(argc, argv);
-    return proc.run();
+    int result;
+    process* proc;
+    try {
+        proc = opt::loba_algorithms.new_instance(opt::loba_algo, argc, argv);
+        result = proc->run();
+        delete proc;
+    }
+    catch (std::invalid_argument& e) {
+        THROW1(arg_error, 0, "%s", e.what());
+    }
+    return result;
 }
 
 int main(int argc, char* argv[])
@@ -51,7 +70,8 @@ int main(int argc, char* argv[])
     if (!parse_res
         || opt::version_requested || opt::help_requested) {
         if (opt::version_requested)
-            std::clog << version::name << " version " << version::num << "\n"
+            std::clog << version::name << " (" << opt::program_name << ")"
+                      << " version " << version::num << "\n"
                       << version::copyright << "\n"
                 "Compiled on " << version::date << "\n\n";
         if (!parse_res || opt::help_requested)
@@ -64,22 +84,22 @@ int main(int argc, char* argv[])
     TRY {
         exit_status = EXIT_FAILURE_INIT; // =====
 
-        // Register the main function of an agent in a global table.
-        MSG_function_register("simulation_main", simulation_main);
-        // Preserve some compatibility with old code...
-        MSG_function_register("Calculs", simulation_main);
+        // Register the default function of an agent
+        // MSG_function_register("simulation_main", simulation_main);
+        MSG_function_register_default(simulation_main);
 
         // Create the platform and the application.
-        MSG_create_environment(opt::platform_file);
-        if (LOG_ISENABLED(xbt_log_priority_verbose)) {
-            int n = MSG_get_host_number();
-            m_host_t* h = MSG_get_host_table();
-            VERB1("Got %d hosts.", n);
-            for (int i = 0; i < n; i++)
-                VERB2("Host #%d named \"%s\".", i, MSG_host_get_name(h[i]));
-            xbt_free(h);
+        MSG_create_environment(opt::platform_file.c_str());
+        hostdata::create();
+        if (opt::auto_depl::enabled) {
+            if (!opt::auto_depl::nhosts)
+                opt::auto_depl::nhosts = hostdata::size();
+            if (!opt::auto_depl::load)
+                opt::auto_depl::load = hostdata::size();
+            MY_launch_application(); // it is already opt::* aware...
+        } else {
+            MSG_launch_application(opt::deployment_file.c_str());
         }
-        MSG_launch_application(opt::application_file);
 
         exit_status = EXIT_FAILURE_SIMU; // =====
 
@@ -103,6 +123,7 @@ int main(int argc, char* argv[])
     }
 
     // Clean the MSG simulation.
+    hostdata::destroy();
     res = MSG_clean();
     if (res != MSG_OK) {
         ERROR1("MSG_clean() failed with status %#x", res);