Subversion Repositories HelenOS-historic

Rev

Rev 1453 | Rev 1466 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * Copyright (C) 2006 Josef Cejka
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29.  
  30. #include <kbd.h>
  31. #include <fb.h>
  32. #include <ipc/ipc.h>
  33. #include <ipc/fb.h>
  34. #include <ipc/services.h>
  35. #include <errno.h>
  36. #include <key_buffer.h>
  37. #include <console.h>
  38. #include <unistd.h>
  39. #include <async.h>
  40.  
  41. //#define CONSOLE_COUNT VFB_CONNECTIONS
  42. #define CONSOLE_COUNT 6
  43.  
  44. #define NAME "CONSOLE"
  45.  
  46. int active_client = 0;
  47.  
  48.  
  49. typedef struct {
  50.     keybuffer_t keybuffer;
  51.     int client_phone;
  52.     int vfb_number; /* Not used */
  53.     int vfb_phone;
  54.     int used;
  55. } connection_t;
  56.  
  57. connection_t connections[CONSOLE_COUNT];
  58.  
  59. static int find_free_connection()
  60. {
  61.     int i = 0;
  62.    
  63.     while (i < CONSOLE_COUNT) {
  64.         if (connections[i].used == 0)
  65.             return i;
  66.         ++i;
  67.     }
  68.     return CONSOLE_COUNT;
  69. }
  70.  
  71.  
  72. static int find_connection(int client_phone)
  73. {
  74.     int i = 0;
  75.    
  76.     while (i < CONSOLE_COUNT) {
  77.         if (connections[i].client_phone == client_phone)
  78.             return i;
  79.         ++i;
  80.     }
  81.     return  CONSOLE_COUNT;
  82. }
  83.  
  84. /* Handler for keyboard */
  85. static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
  86. {
  87.     ipc_callid_t callid;
  88.     ipc_call_t call;
  89.     int retval;
  90.     int i;
  91.  
  92.     /* Ignore parameters, the connection is alread opened */
  93.     while (1) {
  94.         callid = async_get_call(&call);
  95.         switch (IPC_GET_METHOD(call)) {
  96.         case IPC_M_PHONE_HUNGUP:
  97.             ipc_answer_fast(callid,0,0,0);
  98.             /* TODO: Handle hangup */
  99.             return;
  100.         case KBD_PUSHCHAR:
  101.             /* got key from keyboard driver */
  102.             /* find active console */
  103.             /* if client is awaiting key, send it */
  104.             /*FIXME: else store key to its buffer */
  105.             retval = 0;
  106.             i = IPC_GET_ARG1(call) & 0xff;
  107.             /* switch to another virtual console */
  108.             if ((i >= KBD_KEY_F1) && (i < KBD_KEY_F1 + CONSOLE_COUNT)) {
  109.                 active_client = i - KBD_KEY_F1;
  110.                 break;
  111.             }
  112.             keybuffer_push(&(connections[active_client].keybuffer), i);
  113.             /* Send it to first FB, DEBUG */
  114. //          ipc_call_async_2(connections[0].vfb_phone, FB_PUTCHAR, 0, IPC_GET_ARG1(call),NULL,NULL);
  115.             ipc_call_sync_2(connections[0].vfb_phone, FB_PUTCHAR, 0, IPC_GET_ARG1(call),NULL,NULL);
  116.  
  117.             break;
  118.         default:
  119.             retval = ENOENT;
  120.         }      
  121.         ipc_answer_fast(callid, retval, 0, 0);
  122.     }
  123. }
  124.  
  125. /** Default thread for new connections */
  126. void client_connection(ipc_callid_t iid, ipc_call_t *icall)
  127. {
  128.     ipc_callid_t callid;
  129.     ipc_call_t call;
  130.     int consnum;
  131.     ipcarg_t arg1;
  132.  
  133.     if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
  134.         ipc_answer_fast(iid,ELIMIT,0,0);
  135.         return;
  136.     }
  137.     connections[consnum].used = 1;
  138.     connections[consnum].client_phone = IPC_GET_ARG3(call);
  139.  
  140.     /* Accept the connection */
  141.     ipc_answer_fast(iid,0,0,0);
  142.    
  143.     while (1) {
  144.         callid = async_get_call(&call);
  145.         switch (IPC_GET_METHOD(call)) {
  146.         case IPC_M_PHONE_HUNGUP:
  147.             /* TODO */
  148.             ipc_answer_fast(callid, 0,0,0);
  149.             return;
  150.         case CONSOLE_PUTCHAR:
  151.             /* TODO: send message to fb */
  152.             ipc_call_async_2(connections[consnum].vfb_phone, FB_PUTCHAR, IPC_GET_ARG1(call), IPC_GET_ARG2(call), NULL, NULL);
  153.             break;
  154.         case CONSOLE_GETCHAR:
  155.             /* FIXME: */
  156.             if (!keybuffer_pop(&(connections[active_client].keybuffer), (char *)&arg1)) {
  157.                 /* FIXME: buffer empty -> store request */
  158.                 arg1 = 'X'; /* Only temporary */
  159.             };
  160. //ipc_call_async_2(connections[active_client].vfb_phone, FB_PUTCHAR, ' ', arg1, NULL, (void *)NULL);
  161.             break;
  162.         }
  163.         ipc_answer_fast(callid, 0,0,0);
  164.     }
  165. }
  166.  
  167. int main(int argc, char *argv[])
  168. {
  169.     ipcarg_t phonehash;
  170.     int kbd_phone, fb_phone;
  171.     ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
  172.     int i;
  173.    
  174.     /* Connect to keyboard driver */
  175.  
  176.     while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
  177.         usleep(10000);
  178.     };
  179.    
  180.     if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
  181.         return -1;
  182.     };
  183.     async_new_connection(phonehash, 0, NULL, keyboard_events);
  184.  
  185.     /* Connect to framebuffer driver */
  186.    
  187.     for (i = 0; i < CONSOLE_COUNT; i++) {
  188.         connections[i].used = 0;
  189.         keybuffer_init(&(connections[i].keybuffer));
  190.         /* TODO: init key_buffer */
  191.         while ((connections[i].vfb_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
  192.                
  193.             ipc_call_async_2(connections[i].vfb_phone, FB_PUTCHAR, 'a', 'b', NULL, (void *)NULL);
  194.         }
  195.     }
  196.    
  197.     if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
  198.         return -1;
  199.     };
  200.    
  201.     async_manager();
  202.  
  203.     return 0;  
  204. }
  205.