Diff: EMAC/uIP/apps/telnetd/shell.c

Revision:

0:bf7b9fba3924

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EMAC/uIP/apps/telnetd/shell.c	Sun Mar 20 05:38:56 2011 +0000
@@ -0,0 +1,123 @@
+ /*
+ * Copyright (c) 2003, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file is part of the uIP TCP/IP stack.
+ *
+ * $Id: shell.c,v 1.1 2006/06/07 09:43:54 adam Exp $
+ *
+ */
+
+#include "shell.h"
+
+#include <string.h>
+
+struct ptentry {
+  char *commandstr;
+  void (* pfunc)(char *str);
+};
+
+#define SHELL_PROMPT "uIP 1.0> "
+
+/*---------------------------------------------------------------------------*/
+static void
+parse(register char *str, struct ptentry *t)
+{
+  struct ptentry *p;
+  for(p = t; p->commandstr != NULL; ++p) {
+    if(strncmp(p->commandstr, str, strlen(p->commandstr)) == 0) {
+      break;
+    }
+  }
+
+  p->pfunc(str);
+}
+/*---------------------------------------------------------------------------*/
+static void
+inttostr(register char *str, unsigned int i)
+{
+  str[0] = '0' + i / 100;
+  if(str[0] == '0') {
+    str[0] = ' ';
+  }
+  str[1] = '0' + (i / 10) % 10;
+  if(str[0] == ' ' && str[1] == '0') {
+    str[1] = ' ';
+  }
+  str[2] = '0' + i % 10;
+  str[3] = ' ';
+  str[4] = 0;
+}
+/*---------------------------------------------------------------------------*/
+static void
+help(char *str)
+{
+  shell_output("Available commands:", "");
+  shell_output("stats   - show network statistics", "");
+  shell_output("conn    - show TCP connections", "");
+  shell_output("help, ? - show help", "");
+  shell_output("exit    - exit shell", "");
+}
+/*---------------------------------------------------------------------------*/
+static void
+unknown(char *str)
+{
+  if(strlen(str) > 0) {
+    shell_output("Unknown command: ", str);
+  }
+}
+/*---------------------------------------------------------------------------*/
+static struct ptentry parsetab[] =
+  {{"stats", help},
+   {"conn", help},
+   {"help", help},
+   {"exit", shell_quit},
+   {"?", help},
+
+   /* Default action */
+   {NULL, unknown}};
+/*---------------------------------------------------------------------------*/
+void
+shell_init(void)
+{
+}
+/*---------------------------------------------------------------------------*/
+void
+shell_start(void)
+{
+  shell_output("uIP command shell", "");
+  shell_output("Type '?' and return for help", "");
+  shell_prompt(SHELL_PROMPT);
+}
+/*---------------------------------------------------------------------------*/
+void
+shell_input(char *cmd)
+{
+  parse(cmd, parsetab);
+  shell_prompt(SHELL_PROMPT);
+}
+/*---------------------------------------------------------------------------*/