added debug implementation

diff --git a/misc/network_servers/vtl/debug.cc b/misc/network_servers/vtl/debug.cc
new file mode 100644 (file)
index 0000000..ce2cac8
--- /dev/null
+++ b/misc/network_servers/vtl/debug.cc
@@ -0,0 +1,38 @@
+#include "debug.h"
+#include <time.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+static FILE * logfile = NULL;
+static int debug_on = 0;
+
+int vtl_debug_init(string logfilename, int debug_enable) {
+    debug_on = debug_enable; 
+    logfile = fopen(logfilename.c_str(), "w+");
+    return 0;
+}
+
+
+
+void vtl_debug(const char * fmt, ...) {
+    if (debug_on) {
+       va_list args;
+       time_t dbgt;
+       struct tm * time_data;
+       char time_str[200];
+
+       time(&dbgt); 
+       time_data = localtime(&dbgt);
+
+
+       strftime(time_str, sizeof(time_str), "%a %b %d %r %Y : ", time_data);
+
+       fprintf(logfile, "%s", time_str); 
+
+       va_start(args, fmt);
+       vfprintf(logfile, fmt, args);
+       va_end(args);
+
+       fflush(logfile);
+    }
+}