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# shell.c

Go to the documentation of this file.

    00001 /*
    00002  * Copyright (c) 2001, Swedish Institute of Computer Science.
    00003  * All rights reserved.
    00004  *
    00005  * Redistribution and use in source and binary forms, with or without
    00006  * modification, are permitted provided that the following conditions
    00007  * are met:
    00008  * 1. Redistributions of source code must retain the above copyright
    00009  *    notice, this list of conditions and the following disclaimer.
    00010  * 2. Redistributions in binary form must reproduce the above copyright
    00011  *    notice, this list of conditions and the following disclaimer in the
    00012  *    documentation and/or other materials provided with the distribution.
    00013  * 3. Neither the name of the Institute nor the names of its contributors
    00014  *    may be used to endorse or promote products derived from this software
    00015  *    without specific prior written permission.
    00016  *
    00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
    00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
    00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00027  * SUCH DAMAGE.
    00028  *
    00029  * This file is part of the lwIP TCP/IP stack.
    00030  *
    00031  * Author: Adam Dunkels <adam@sics.se>
    00032  *
    00033  * $Id: shell_8c-source.html 88 2016-01-12 00:11:29Z reddawg $
    00034  */
    00035
    00036 #include <lib/kmalloc.h>
    00037 #include <ubixos/fork.h>
    00038 #include <string.h>
    00039
    00040 #include "net/mem.h"
    00041 #include "net/debug.h"
    00042 #include "net/def.h"
    00043 #include "net/api.h"
    00044 #include "net/stats.h"
    00045
    00046 #include "lib/kprintf.h"
    00047 char *buffer = 0x0;
    00048
    00049 #define ESUCCESS 0
    00050 #define ESYNTAX -1
    00051 #define ETOOFEW -2
    00052 #define ETOOMANY -3
    00053 #define ECLOSED -4
    00054
    00055 #define NCONNS 10
    00056 // UBU static struct netconn *conns[NCONNS];
    00057
    00058 static void sendstr(const char *str, struct netconn *conn) {
    00059   netconn_write(conn, (void *)str, strlen(str), NETCONN_NOCOPY);
    00060   }
    00061
    00062 static void prompt(struct netconn *conn) {
    00063   sendstr("uBixCube:@sys> ", conn);
    00064   }
    00065
    00066 static void shell_main(struct netconn *conn) {
    00067   struct netbuf *buf = 0x0;
    00068   uInt32 len;
    00069   // UBU int i;
    00070   // UBU char bufr[1500];
    00071   prompt(conn);
    00072   while (1) {
    00073     buf = netconn_recv(conn);
    00074     if (buf != 0x0)
    00075       netbuf_copy(buf,buffer,1024);
    00076       len = netbuf_len(buf);
    00077       netbuf_delete(buf);
    00078       buffer[len-2] = '\0';
    00079       kprintf("Buffer: [%s:%i]\n",buffer,len);
    00080       if (!strcmp(buffer,"quit")) {
    00081         netconn_close(conn);
    00082         break;
    00083         }
    00084       else if (!strcmp(buffer,"ls")) {
    00085         sendstr("no\nfiles\nhere\n", conn);
    00086         }
    00087       else if (!strcmp(buffer,"uname")) {
    00088         sendstr("UbixOS v1.0 reddawg@devel.ubixos.com:/ubix.elf\n",conn);
    00089         }
    00090       prompt(conn);
    00091       }
    00092   }
    00093
    00094 static void shell_thread(void *arg) {
    00095   struct netconn *conn = 0x0, *newconn = 0x0;
    00096
    00097   buffer = (char *)kmalloc(1024);
    00098
    00099   conn = netconn_new(NETCONN_TCP);
    00100   netconn_bind(conn, NULL, 23);
    00101   netconn_listen(conn);
    00102
    00103   while(1) {
    00104     kprintf("1");
    00105     newconn = netconn_accept(conn);
    00106     kprintf("2");
    00107     shell_main(newconn);
    00108     kprintf("3");
    00109     //netconn_delete(newconn);
    00110     kprintf("4");
    00111     }
    00112   }
    00113
    00114 void shell_init(void)     {
    00115   sys_thread_new(shell_thread, NULL);
    00116   }
    00117
    00118 /***
    00119  END
    00120  ***/
    00121