Diff: src/log.c

Revision:

0:c4152c628df5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/log.c	Mon Nov 25 14:24:05 2019 +0000
@@ -0,0 +1,162 @@
+/* log.c
+ *
+ * Copyright (C) 2014-2016 wolfSSL Inc.
+ *
+ * This file is part of wolfSSH.
+ *
+ * wolfSSH 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; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSH 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 wolfSSH.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+/*
+ * The log module contains the interface to the logging function. When
+ * debugging is enabled and turned on, the logger will output to STDOUT.
+ * A custom logging callback may be installed.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+    #include <config.h>
+#endif
+
+#include <wolfssh/ssh.h>
+#include <wolfssh/log.h>
+#include <wolfssh/error.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#ifndef NO_TIMESTAMP
+    //#include <time.h>
+#endif
+
+//#include "esp_log.h"
+
+
+#ifndef WOLFSSH_DEFAULT_LOG_WIDTH
+    #define WOLFSSH_DEFAULT_LOG_WIDTH 120
+#endif
+
+
+static const char *TAG = "WOLFSSH";
+ 
+
+static void DefaultLoggingCb(enum wolfSSH_LogLevel, const char *const);
+
+static wolfSSH_LoggingCb logFunction = DefaultLoggingCb;
+static enum wolfSSH_LogLevel logLevel = WS_LOG_USER; // esp32: max
+#ifdef DEBUG_WOLFSSH
+    static int logEnable = 0;
+#endif
+
+
+/* turn debugging on if supported */
+void wolfSSH_Debugging_ON(void)
+{
+#ifdef DEBUG_WOLFSSH
+    logEnable = 1;
+#endif
+}
+
+
+/* turn debugging off */
+void wolfSSH_Debugging_OFF(void)
+{
+#ifdef DEBUG_WOLFSSH
+    logEnable = 0;
+#endif
+}
+
+
+/* set logging callback function */
+void wolfSSH_SetLoggingCb(wolfSSH_LoggingCb logF)
+{
+    if (logF)
+        logFunction = logF;
+}
+
+
+int wolfSSH_LogEnabled(void)
+{
+#ifdef DEBUG_WOLFSSH
+    return logEnable;
+#else
+    return 0;
+#endif
+}
+
+
+/* log level string */
+static const char* GetLogStr(enum wolfSSH_LogLevel level)
+{
+    switch (level) {
+        case WS_LOG_INFO:
+            return "INFO";
+
+        case WS_LOG_WARN:
+            return "WARNING";
+
+        case WS_LOG_ERROR:
+            return "ERROR";
+
+        case WS_LOG_DEBUG:
+            return "DEBUG";
+
+        case WS_LOG_USER:
+            return "USER";
+
+        default:
+            return "UNKNOWN";
+    }
+}
+
+
+void DefaultLoggingCb(enum wolfSSH_LogLevel level, const char *const msgStr)
+{
+    char    timeStr[80];
+    timeStr[0] = '\0';
+#ifndef NO_TIMESTAMP
+    {
+        time_t  current;
+        struct  tm local;
+
+        current = time(NULL);
+        if (WLOCALTIME(&current, &local)) {
+            /* make pretty */
+            strftime(timeStr, sizeof(timeStr), "%b %d %T %Y: ", &local);
+        }
+    }
+#endif /* NO_TIMESTAMP */
+    //fprintf(stdout, "%s[%s] %s\n", timeStr, GetLogStr(level), msgStr);
+	//ESP_LOGI(TAG, "%s[%s] %s\n", timeStr, GetLogStr(level), msgStr);
+}
+
+
+/* our default logger */
+void wolfSSH_Log(enum wolfSSH_LogLevel level, const char *const fmt, ...)
+{
+    va_list vlist;
+    char    msgStr[WOLFSSH_DEFAULT_LOG_WIDTH];
+
+    if (level < logLevel)
+        return;   /* don't need to output */
+
+    /* format msg */
+    va_start(vlist, fmt);
+    WVSNPRINTF(msgStr, sizeof(msgStr), fmt, vlist);
+    va_end(vlist);
+
+    if (logFunction)
+        logFunction(level, msgStr);
+}