1 files changed, 139 insertions, 0 deletions
diff --git a/apps/netutils/telnetd/shell.c b/apps/netutils/telnetd/shell.c
new file mode 100644
index 000000000..93fd11601
--- /dev/null
+++ b/apps/netutils/telnetd/shell.c
@@ -0,0 +1,139 @@
+/****************************************************************************
+ * netutils/telnetd/telnetd.c
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * This is a leverage of similar logic from uIP:
+ *
+ *   Author: Adam Dunkels <adam@sics.se>
+ *   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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <string.h>
+#include "shell.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+#define SHELL_PROMPT "uIP 1.0> "
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+struct ptentry_s
+{
+  char *commandstr;
+  void (* pfunc)(void *handle, char *str);
+};
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static void parse(void *handle, register char *str, struct ptentry_s *t);
+static void help(void *handle, char *str);
+static void unknown(void *handle, char *str);
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static struct ptentry_s g_parsetab[] =
+{
+  {"stats", help},
+  {"conn",  help},
+  {"help",  help},
+  {"exit",  shell_quit},
+  {"?",     help},
+  {NULL,    unknown}
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static void parse(void *handle, char *str, struct ptentry_s *t)
+{
+  struct ptentry_s *p;
+
+  for (p = t; p->commandstr != NULL; ++p)
+    {
+      if (strncmp(p->commandstr, str, strlen(p->commandstr)) == 0)
+        {
+          break;
+        }
+    }
+
+  p->pfunc(handle, str);
+}
+
+static void help(void *handle, char *str)
+{
+  shell_output(handle, "Available commands:");
+  shell_output(handle, "stats   - show network statistics");
+  shell_output(handle, "conn    - show TCP connections");
+  shell_output(handle, "help, ? - show help");
+  shell_output(handle, "exit    - exit shell");
+}
+
+static void unknown(void *handle, char *str)
+{
+  if (strlen(str) > 0)
+    {
+      shell_output(handle, "Unknown command: ", str);
+    }
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+void shell_init(void *handle)
+{
+}
+
+void shell_start(void *handle)
+{
+  shell_output(handle, "uIP command shell");
+  shell_output(handle, "Type '?' and return for help");
+  shell_prompt(handle, SHELL_PROMPT);
+}
+
+void shell_input(void *handle, char *cmd)
+{
+  parse(handle, cmd, g_parsetab);
+  shell_prompt(handle, SHELL_PROMPT);
+}