1 files changed, 77 insertions, 0 deletions
diff --git a/common/eurephia_log.c b/common/eurephia_log.c
new file mode 100644
index 0000000..9ea6a8e
--- /dev/null
+++ b/common/eurephia_log.c
@@ -0,0 +1,77 @@
+/*  eurephia_log.c  --  eurephia logging
+ *
+ *  GPLv2 - Copyright (C) 2008  David Sommerseth <dazo@users.sourceforge.net>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; version 2
+ *  of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+#include <pthread.h>
+
+#include "eurephia_struct.h"
+#include "eurephia_log.h"
+
+const char *erp_logtypes[] = {
+        "\0",
+        "-- INFO --      \0",
+        "-- DEBUG --     \0",
+        "** WARNING **   \0",
+        "** ERROR **     \0",
+        "** CRITICAL **  \0",
+        "** - FATAL - ** \0",
+        "** * PANIC * ** \0"
+};
+
+// POSIX Mutex to avoild simultaneously logging activity from
+// several threads at the same time
+pthread_mutex_t log_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+// Simple log function ... Write log data to the context log file
+void eurephia_log(eurephiaCTX *ctx, int logdst, int loglvl, const char *fmt, ... ) {
+
+        // Only log if we have an open log file and which has high enough log level
+        if( (ctx->log != NULL) && (ctx->loglevel >= loglvl) ) {
+                va_list ap;
+                char tstmp_str[200];
+                time_t tstmp;
+                struct tm *loctstmp;
+
+                // Get timestamp
+                memset(&tstmp_str, 0, 200);
+                tstmp = time(NULL);
+                loctstmp = localtime(&tstmp);
+                if( loctstmp != NULL ) {
+                        if( strftime(tstmp_str, 198, "%Y-%m-%d %H:%M:%S %Z", loctstmp) == 0 ) {
+                                snprintf(tstmp_str, 198, "(error getting timestamp string)");
+                        }
+                } else {
+                        snprintf(tstmp_str, 198, "(error getting timestamp)");
+                }
+
+                va_start(ap, fmt);
+                pthread_mutex_lock(&log_mutex); // Block other threads from writing when we write
+                fprintf(ctx->log, "[%s] %s [%i] ", tstmp_str, erp_logtypes[logdst], loglvl);
+                vfprintf(ctx->log, fmt, ap);
+                fprintf(ctx->log, "\n");
+                fflush(ctx->log);
+                pthread_mutex_unlock(&log_mutex); // Unblock other threads
+                va_end(ap);
+        }
+}
+