Convert clock_type to enum class.

[loba.git] / main.cpp

diff --git a/main.cpp b/main.cpp
index 97ab14e0eb809f44c6f4c9b65abdf5a8246860da..64fa49f2d0ce547465acbe0916882766dad888f4 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -4,7 +4,8 @@
 #include <cstring>              // strchr
 #include <iostream>
 #include <stdexcept>
-#include <msg/msg.h>
+#include <unistd.h>
+#include <simgrid/msg.h>
 #include <xbt/log.h>
 
 // Creates log categories
@@ -23,6 +24,7 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
 #include "misc.h"
 #include "options.h"
 #include "process.h"
+#include "simgrid_features.h"
 #include "statistics.h"
 #include "synchro.h"
 #include "timer.h"
@@ -149,6 +151,15 @@ static bool check_for_lost_load()
     return res;
 }
 
+static void check_file_access(const std::string& name)
+{
+    if (access(name.c_str(), R_OK) != 0) {
+        std::cerr << "ERROR: cannot access to file \""
+                  << name << "\" for reading: " << strerror(errno) << "\n";
+        exit(EXIT_FAILURE_ARGS);
+    }
+}
+
 static void signal_handler(int /*sig*/)
 {
     if (!opt::exit_request) {
@@ -178,21 +189,21 @@ static void install_signal_handler()
 
 #define PR_VALUE(descr, format, ...)                                    \
     XBT_INFO("| %.*s: " format, DATA_DESCR_WIDTH,                       \
-             descr ".................................................", \
+             descr " ................................................", \
              __VA_ARGS__)
 
 #define PR_STATS(descr, st)                                             \
     XBT_INFO("| %.*s: %g / %g / %g", DATA_DESCR_WIDTH,                  \
-             descr " (sum/avg/dev)...................................", \
+             descr " (sum/avg/dev) ..................................", \
              st.get_sum(), st.get_mean(), st.get_stddev())
 
 int main(int argc, char* argv[])
 {
     int exit_status = 0;   // global exit status
     double simulated_time = -1.0;
-    timestamp elapsed_time(timestamp::wallclock_time);
-    timestamp simulation_time(timestamp::cpu_time);
-    MSG_error_t res;
+    timestamp elapsed_time(timestamp::clock_type::WALLCLOCK);
+    timestamp simulation_time(timestamp::clock_type::CPU);
+    msg_error_t res;
 
     elapsed_time.start();
     simulation_time.start();
@@ -209,7 +220,7 @@ int main(int argc, char* argv[])
     }
 
     // Initialize some MSG internal data.
-    MSG_global_init(&argc, argv);
+    MSG_init(&argc, argv);
     install_signal_handler();
 
     // Parse global parameters
@@ -223,7 +234,6 @@ int main(int argc, char* argv[])
                 "Compiled on " << version::date << "\n\n";
         if (!parse_res || opt::help_requested)
             opt::usage();
-        MSG_clean();
         exit(parse_res ? EXIT_NO_FAILURE : EXIT_FAILURE_ARGS);
     }
     XBT_INFO("%s v%s (%s)", opt::program_name.c_str(), version::num.c_str(),
@@ -236,6 +246,7 @@ int main(int argc, char* argv[])
 
     // Create the platform and the application.
     XBT_DEBUG("Loading platform file...");
+    check_file_access(opt::platform_file);
     MSG_create_environment(opt::platform_file.c_str());
     XBT_DEBUG("Creating hostdata...");
     hostdata::create();
@@ -264,6 +275,7 @@ int main(int argc, char* argv[])
         }
         MY_launch_application(); // it is already opt::* aware...
     } else {
+        check_file_access(opt::deployment_file);
         MSG_launch_application(opt::deployment_file.c_str());
     }
 
@@ -295,11 +307,6 @@ int main(int argc, char* argv[])
 
     // Clean the MSG simulation.
     hostdata::destroy();
-    res = MSG_clean();
-    if (res != MSG_OK) {
-        XBT_ERROR("MSG_clean() failed with status %#x", res);
-        exit_status |= EXIT_FAILURE_CLEAN;
-    }
 
     // Report final simulation status.
     if (simulated_time >= 0.0) {