rename to Log

symmetric-client-clib/src/common/Log.c

@@ -0,0 +1,79 @@
+/**
+ * Licensed to JumpMind Inc under one or more contributor
+ * license agreements.  See the NOTICE file distributed
+ * with this work for additional information regarding
+ * copyright ownership.  JumpMind Inc licenses this file
+ * to you under the GNU General Public License, version 3.0 (GPLv3)
+ * (the "License"); you may not use this file except in compliance
+ * with the License.
+ *
+ * You should have received a copy of the GNU General Public License,
+ * version 3.0 (GPLv3) along with this library; if not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "common/Log.h"
+
+static char* logLevelDescription(SymLogLevel logLevel) {
+	switch (logLevel) {
+	case DEBUG:
+		return SYM_LOG_LEVEL_DEBUG;
+	case INFO:
+		return SYM_LOG_LEVEL_INFO;
+	case WARN:
+		return SYM_LOG_LEVEL_WARN;
+	case ERROR:
+		return SYM_LOG_LEVEL_ERROR;
+	default:
+		return SYM_LOG_LEVEL_UNKNOWN;
+	}
+}
+
+/** This is the central place where all logging funnels through. */
+void SymLog_log(SymLogLevel logLevel, const char *functionName, const char *fileName, int lineNumber, const char* message, ...) {
+	FILE *destination;
+	if (logLevel <= INFO) {
+		destination = stdout;
+	}
+	else {
+		destination = stderr;
+	}
+
+	char* levelDescription = logLevelDescription(logLevel);
+
+	SymStringBuilder *messageBuffer = SymStringBuilder_new();
+
+	SymDate *date = SymDate_new();
+
+	messageBuffer->append(messageBuffer, date->dateTimeString);
+	messageBuffer->append(messageBuffer, " [");
+	messageBuffer->append(messageBuffer, levelDescription);
+	messageBuffer->append(messageBuffer, "] [");
+	messageBuffer->append(messageBuffer, functionName);
+//	messageBuffer->append(messageBuffer, " ");
+//	messageBuffer->append(messageBuffer, fileName);
+//	messageBuffer->append(messageBuffer, ":");
+//	messageBuffer->appendInt(messageBuffer, lineNumber);
+	messageBuffer->append(messageBuffer, "] ");
+    va_list varargs;
+    va_start(varargs, message);
+	messageBuffer->appendfv(messageBuffer, message, varargs);
+    va_end(varargs);
+	messageBuffer->append(messageBuffer, "\n");
+
+	fprintf(destination, "%s", messageBuffer->toString(messageBuffer));
+
+	// stdout may not flush before stderr does.
+	// Do this to keep log messages more or less in order.
+	fflush(destination);
+
+	date->destroy(date);
+	messageBuffer->destroy(messageBuffer);
+}
+