From 1ff268ab13dd299c4cdc1e379df5397bd6a394e3 Mon Sep 17 00:00:00 2001
From: Alex AUVOLAT <alex.auvolat@ens.fr>
Date: Fri, 3 Jan 2014 19:05:10 +0100
Subject: Added simulator monitor tool.

---
 monitor/main.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 monitor/main.c

(limited to 'monitor/main.c')

diff --git a/monitor/main.c b/monitor/main.c
new file mode 100644
index 0000000..27fc1e0
--- /dev/null
+++ b/monitor/main.c
@@ -0,0 +1,61 @@
+#include <curses.h>
+#include <signal.h>
+
+#include "mon.h"
+
+#define MON2SIM "/tmp/mon2sim"
+#define SIM2MON "/tmp/sim2mon"
+
+void usage(char* p) {
+    fprintf(stderr, "Usage:\n");
+    fprintf(stderr, "    %s <simulator> [<simulator arguments>...]\n");
+    fprintf(stderr, "\n");
+}
+
+int main(int argc, char *argv[]) {
+    int err;
+
+    if (argc < 2) {
+        usage(argv[0]);
+        return 1;
+    }
+
+    // Launch simulator
+    mkfifo(MON2SIM, 0600);
+    mkfifo(SIM2MON, 0600);
+    int sim_pid = fork();
+    if (sim_pid == 0) {
+        // child : launch simulator
+        freopen(MON2SIM, "r", stdin);
+        freopen(SIM2MON, "w", stdout);
+        execv(argv[1], argv + 1);
+    }
+
+    t_mon mon;
+    mon.to_sim = fopen(MON2SIM, "w");
+    mon.from_sim = fopen(SIM2MON, "r");
+    if (err = mon_read_prologue(&mon)) {
+        fprintf(stderr, "\nError while launching simulator (%d).\n", err);
+        goto finish;
+    }
+
+    // Setup display
+    disp_init();
+
+    // RUN !!!
+    mon_loop(&mon);
+
+    // clean up
+    disp_finish();
+
+finish:
+    kill(sim_pid, SIGTERM);
+    waitpid(sim_pid);
+
+    fclose(mon.to_sim);
+    fclose(mon.from_sim);
+    unlink(MON2SIM);
+    unlink(SIM2MON);
+
+    return 0;
+}
-- 
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