Refactor code into utils, mfapi and mfshell

- utils is the low level library used by the others
 - mfapi uses utils and implements the api and some wrappers
 - mfshell uses mfapi and utils to provide a shell

mfshell/commands/debug.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
+ *               2014 Johannes Schauer <j.schauer@email.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2, as published by
+ * the Free Software Foundation.
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+
+#include <inttypes.h>
+
+#include "../mfshell.h"
+#include "../commands.h"
+
+int
+mfshell_cmd_debug(mfshell_t *mfshell, int argc, char **argv)
+{
+    if (argc != 1) {
+        fprintf(stderr, "Invalid number of arguments\n");
+        return -1;
+    }
+
+    printf("   %-15.15s   %s\n\r",
+        "server:",
+        mfshell->server);
+
+    const char *session_token = mfconn_get_session_token(mfshell->mfconn);
+    const char *secret_time = mfconn_get_secret_time(mfshell->mfconn);
+    uint32_t secret_key = mfconn_get_secret_key(mfshell->mfconn);
+    if(session_token != NULL && secret_time != NULL)
+    {
+        printf("   %-15.15s   %"PRIu32"\n\r",
+            "secret key:",
+            secret_key);
+
+        printf("   %-15.15s   %s\n\r",
+            "secret time:",
+            secret_time);
+
+        printf("   %-15.15s   %s\n\r",
+            "status:",
+            "Authenticated");
+    }
+    else
+    {
+        printf("   %-15.15s   %s\n\r",
+            "status:",
+            "Not authenticated");
+    }
+
+    return 0;
+}
+
+