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1445 | cejka | 1 | /* |
2 | * Copyright (C) 2006 Josef Cejka |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | |||
30 | #include <kbd.h> |
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1451 | cejka | 31 | #include <fb.h> |
1445 | cejka | 32 | #include <ipc/ipc.h> |
1451 | cejka | 33 | #include <ipc/fb.h> |
1445 | cejka | 34 | #include <ipc/services.h> |
35 | #include <errno.h> |
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1451 | cejka | 36 | #include <key_buffer.h> |
37 | #include <console.h> |
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1453 | palkovsky | 38 | #include <unistd.h> |
39 | #include <async.h> |
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1445 | cejka | 40 | |
1451 | cejka | 41 | //#define CONSOLE_COUNT VFB_CONNECTIONS |
42 | #define CONSOLE_COUNT 6 |
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43 | |||
1445 | cejka | 44 | #define NAME "CONSOLE" |
45 | |||
1453 | palkovsky | 46 | int active_client = 0; |
47 | |||
48 | |||
1451 | cejka | 49 | typedef struct { |
50 | keybuffer_t keybuffer; |
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51 | int client_phone; |
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52 | int vfb_number; /* Not used */ |
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53 | int vfb_phone; |
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54 | int used; |
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55 | } connection_t; |
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56 | |||
57 | connection_t connections[CONSOLE_COUNT]; |
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58 | |||
59 | static int find_free_connection() |
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60 | { |
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61 | int i = 0; |
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62 | |||
63 | while (i < CONSOLE_COUNT) { |
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64 | if (connections[i].used == 0) |
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65 | return i; |
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66 | ++i; |
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67 | } |
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68 | return CONSOLE_COUNT; |
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69 | } |
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70 | |||
71 | |||
72 | static int find_connection(int client_phone) |
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73 | { |
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74 | int i = 0; |
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75 | |||
76 | while (i < CONSOLE_COUNT) { |
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77 | if (connections[i].client_phone == client_phone) |
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78 | return i; |
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79 | ++i; |
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80 | } |
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81 | return CONSOLE_COUNT; |
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82 | } |
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83 | |||
1453 | palkovsky | 84 | /* Handler for keyboard */ |
85 | static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall) |
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1445 | cejka | 86 | { |
1453 | palkovsky | 87 | ipc_callid_t callid; |
1445 | cejka | 88 | ipc_call_t call; |
1453 | palkovsky | 89 | int retval; |
90 | int i; |
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91 | |||
92 | /* Ignore parameters, the connection is alread opened */ |
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93 | while (1) { |
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94 | callid = async_get_call(&call); |
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95 | switch (IPC_GET_METHOD(call)) { |
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96 | case IPC_M_PHONE_HUNGUP: |
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97 | ipc_answer_fast(callid,0,0,0); |
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98 | /* TODO: Handle hangup */ |
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99 | return; |
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100 | case KBD_PUSHCHAR: |
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101 | /* got key from keyboard driver */ |
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1465 | cejka | 102 | |
1453 | palkovsky | 103 | /* find active console */ |
1465 | cejka | 104 | |
1453 | palkovsky | 105 | /* if client is awaiting key, send it */ |
1465 | cejka | 106 | |
1453 | palkovsky | 107 | /*FIXME: else store key to its buffer */ |
108 | retval = 0; |
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109 | i = IPC_GET_ARG1(call) & 0xff; |
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110 | /* switch to another virtual console */ |
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111 | if ((i >= KBD_KEY_F1) && (i < KBD_KEY_F1 + CONSOLE_COUNT)) { |
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112 | active_client = i - KBD_KEY_F1; |
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113 | break; |
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114 | } |
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115 | keybuffer_push(&(connections[active_client].keybuffer), i); |
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116 | /* Send it to first FB, DEBUG */ |
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1459 | palkovsky | 117 | // ipc_call_async_2(connections[0].vfb_phone, FB_PUTCHAR, 0, IPC_GET_ARG1(call),NULL,NULL); |
1465 | cejka | 118 | // ipc_call_sync_2(connections[0].vfb_phone, FB_PUTCHAR, 0, IPC_GET_ARG1(call),NULL,NULL); |
1459 | palkovsky | 119 | |
1453 | palkovsky | 120 | break; |
121 | default: |
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1459 | palkovsky | 122 | retval = ENOENT; |
1453 | palkovsky | 123 | } |
1459 | palkovsky | 124 | ipc_answer_fast(callid, retval, 0, 0); |
1453 | palkovsky | 125 | } |
126 | } |
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127 | |||
128 | /** Default thread for new connections */ |
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129 | void client_connection(ipc_callid_t iid, ipc_call_t *icall) |
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130 | { |
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1445 | cejka | 131 | ipc_callid_t callid; |
1453 | palkovsky | 132 | ipc_call_t call; |
133 | int consnum; |
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134 | ipcarg_t arg1; |
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135 | |||
136 | if ((consnum = find_free_connection()) == CONSOLE_COUNT) { |
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137 | ipc_answer_fast(iid,ELIMIT,0,0); |
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138 | return; |
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139 | } |
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140 | connections[consnum].used = 1; |
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141 | connections[consnum].client_phone = IPC_GET_ARG3(call); |
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142 | |||
143 | /* Accept the connection */ |
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144 | ipc_answer_fast(iid,0,0,0); |
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145 | |||
146 | while (1) { |
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147 | callid = async_get_call(&call); |
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148 | switch (IPC_GET_METHOD(call)) { |
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149 | case IPC_M_PHONE_HUNGUP: |
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150 | /* TODO */ |
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151 | ipc_answer_fast(callid, 0,0,0); |
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152 | return; |
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153 | case CONSOLE_PUTCHAR: |
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1465 | cejka | 154 | /* Send message to fb */ |
1453 | palkovsky | 155 | ipc_call_async_2(connections[consnum].vfb_phone, FB_PUTCHAR, IPC_GET_ARG1(call), IPC_GET_ARG2(call), NULL, NULL); |
156 | break; |
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157 | case CONSOLE_GETCHAR: |
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1465 | cejka | 158 | /* FIXME: Only temporary solution until request storage will be created */ |
159 | |||
160 | while (!keybuffer_pop(&(connections[active_client].keybuffer), (char *)&arg1)) { |
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1453 | palkovsky | 161 | /* FIXME: buffer empty -> store request */ |
1465 | cejka | 162 | usleep(10000); |
1453 | palkovsky | 163 | }; |
1465 | cejka | 164 | |
1453 | palkovsky | 165 | break; |
166 | } |
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1465 | cejka | 167 | ipc_answer_fast(callid, 0, arg1, 0); |
1453 | palkovsky | 168 | } |
169 | } |
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170 | |||
171 | int main(int argc, char *argv[]) |
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172 | { |
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173 | ipcarg_t phonehash; |
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1451 | cejka | 174 | int kbd_phone, fb_phone; |
1445 | cejka | 175 | ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef; |
1451 | cejka | 176 | int i; |
1445 | cejka | 177 | |
178 | /* Connect to keyboard driver */ |
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179 | |||
1451 | cejka | 180 | while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) { |
1453 | palkovsky | 181 | usleep(10000); |
1445 | cejka | 182 | }; |
183 | |||
1453 | palkovsky | 184 | if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) { |
1445 | cejka | 185 | return -1; |
186 | }; |
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1453 | palkovsky | 187 | async_new_connection(phonehash, 0, NULL, keyboard_events); |
1445 | cejka | 188 | |
189 | /* Connect to framebuffer driver */ |
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190 | |||
1451 | cejka | 191 | for (i = 0; i < CONSOLE_COUNT; i++) { |
192 | connections[i].used = 0; |
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193 | keybuffer_init(&(connections[i].keybuffer)); |
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194 | /* TODO: init key_buffer */ |
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195 | while ((connections[i].vfb_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) { |
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1465 | cejka | 196 | usleep(10000); |
197 | //ipc_call_async_2(connections[i].vfb_phone, FB_PUTCHAR, 'a', 'b', NULL, (void *)NULL); |
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1451 | cejka | 198 | } |
199 | } |
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1445 | cejka | 200 | |
1453 | palkovsky | 201 | if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) { |
1445 | cejka | 202 | return -1; |
203 | }; |
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204 | |||
1453 | palkovsky | 205 | async_manager(); |
1451 | cejka | 206 | |
1445 | cejka | 207 | return 0; |
208 | } |