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-rw-r--r--uip/apps/telnetd/shell.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/uip/apps/telnetd/shell.c b/uip/apps/telnetd/shell.c
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+++ b/uip/apps/telnetd/shell.c
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+ /*
+ * 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);
+}
+/*---------------------------------------------------------------------------*/