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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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1445 | cejka | 38 | |
1451 | cejka | 39 | //#define CONSOLE_COUNT VFB_CONNECTIONS |
40 | #define CONSOLE_COUNT 6 |
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41 | |||
1445 | cejka | 42 | #define NAME "CONSOLE" |
43 | |||
1451 | cejka | 44 | typedef struct { |
45 | keybuffer_t keybuffer; |
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46 | int client_phone; |
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47 | int vfb_number; /* Not used */ |
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48 | int vfb_phone; |
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49 | int used; |
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50 | } connection_t; |
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51 | |||
52 | connection_t connections[CONSOLE_COUNT]; |
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53 | |||
54 | static int find_free_connection() |
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55 | { |
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56 | int i = 0; |
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57 | |||
58 | while (i < CONSOLE_COUNT) { |
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59 | if (connections[i].used == 0) |
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60 | return i; |
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61 | ++i; |
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62 | } |
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63 | return CONSOLE_COUNT; |
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64 | } |
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65 | |||
66 | |||
67 | static int find_connection(int client_phone) |
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68 | { |
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69 | int i = 0; |
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70 | |||
71 | while (i < CONSOLE_COUNT) { |
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72 | if (connections[i].client_phone == client_phone) |
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73 | return i; |
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74 | ++i; |
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75 | } |
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76 | return CONSOLE_COUNT; |
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77 | } |
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78 | |||
1445 | cejka | 79 | int main(int argc, char *argv[]) |
80 | { |
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81 | ipcarg_t phonead; |
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82 | ipc_call_t call; |
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83 | ipc_callid_t callid; |
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1451 | cejka | 84 | int kbd_phone, fb_phone; |
1445 | cejka | 85 | ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef; |
1451 | cejka | 86 | int i; |
87 | int active_client = 0; |
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1445 | cejka | 88 | |
89 | /* Connect to keyboard driver */ |
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90 | |||
1451 | cejka | 91 | while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) { |
1445 | cejka | 92 | }; |
93 | |||
1451 | cejka | 94 | if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonead) != 0) { |
1445 | cejka | 95 | return -1; |
96 | }; |
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97 | |||
98 | /* Connect to framebuffer driver */ |
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99 | |||
1451 | cejka | 100 | for (i = 0; i < CONSOLE_COUNT; i++) { |
101 | connections[i].used = 0; |
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102 | keybuffer_init(&(connections[i].keybuffer)); |
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103 | /* TODO: init key_buffer */ |
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104 | while ((connections[i].vfb_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) { |
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105 | |||
106 | ipc_call_async_2(connections[i].vfb_phone, FB_PUTCHAR, 'a', 'b', NULL, (void *)NULL); |
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107 | } |
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108 | } |
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1445 | cejka | 109 | |
1451 | cejka | 110 | |
1445 | cejka | 111 | |
112 | if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonead) != 0) { |
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113 | return -1; |
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114 | }; |
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115 | |||
116 | while (1) { |
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117 | callid = ipc_wait_for_call(&call); |
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118 | switch (IPC_GET_METHOD(call)) { |
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119 | case IPC_M_PHONE_HUNGUP: |
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1451 | cejka | 120 | /*FIXME: if its fb or kbd then panic! */ |
121 | /* free connection */ |
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122 | if (i = find_connection(IPC_GET_ARG3(call)) < CONSOLE_COUNT) { |
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123 | connections[i].used = 0; |
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124 | /*TODO: free connection[i].key_buffer; */ |
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125 | /* FIXME: active_connection hungup */ |
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126 | retval = 0; |
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127 | } else { |
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128 | /*FIXME: No such connection */ |
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129 | } |
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1445 | cejka | 130 | break; |
131 | case IPC_M_CONNECT_ME_TO: |
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1451 | cejka | 132 | |
133 | /* find first free connection */ |
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134 | |||
135 | if ((i = find_free_connection()) == CONSOLE_COUNT) { |
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136 | retval = ELIMIT; |
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137 | break; |
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138 | } |
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139 | |||
140 | connections[i].used = 1; |
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141 | connections[i].client_phone = IPC_GET_ARG3(call); |
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142 | |||
1445 | cejka | 143 | retval = 0; |
144 | break; |
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145 | case KBD_PUSHCHAR: |
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1451 | cejka | 146 | /* got key from keyboard driver */ |
147 | /* find active console */ |
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148 | /* if client is awaiting key, send it */ |
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149 | /*FIXME: else store key to its buffer */ |
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1445 | cejka | 150 | retval = 0; |
1451 | cejka | 151 | i = IPC_GET_ARG1(call) & 0xff; |
152 | /* switch to another virtual console */ |
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153 | if ((i >= KBD_KEY_F1) && (i < KBD_KEY_F1 + CONSOLE_COUNT)) { |
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154 | active_client = i - KBD_KEY_F1; |
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155 | break; |
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156 | } |
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1447 | cejka | 157 | |
1451 | cejka | 158 | keybuffer_push(&(connections[active_client].keybuffer), i); |
159 | |||
1445 | cejka | 160 | break; |
1451 | cejka | 161 | case CONSOLE_PUTCHAR: |
162 | /* find sender client */ |
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163 | /* ??? |
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164 | * if its active client, send it to vfb |
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165 | **/ |
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166 | /*FIXME: check, if its from active client, .... */ |
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167 | |||
168 | if ((i = find_connection(IPC_GET_ARG3(call))) == CONSOLE_COUNT) { |
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169 | break; |
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170 | }; |
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171 | |||
172 | /* TODO: send message to fb */ |
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173 | ipc_call_async_2(connections[i].vfb_phone, FB_PUTCHAR, IPC_GET_ARG1(call), IPC_GET_ARG2(call), NULL, NULL); |
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174 | |||
175 | break; |
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176 | case CONSOLE_GETCHAR: |
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177 | /* FIXME: */ |
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178 | if (!keybuffer_pop(&(connections[active_client].keybuffer), (char *)&arg1)) { |
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179 | /* FIXME: buffer empty -> store request */ |
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180 | arg1 = 'X'; /* Only temporary */ |
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181 | }; |
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182 | //ipc_call_async_2(connections[active_client].vfb_phone, FB_PUTCHAR, ' ', arg1, NULL, (void *)NULL); |
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183 | break; |
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1445 | cejka | 184 | default: |
185 | retval = ENOENT; |
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186 | break; |
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187 | } |
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188 | |||
189 | if (! (callid & IPC_CALLID_NOTIFICATION)) { |
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190 | ipc_answer_fast(callid, retval, arg1, arg2); |
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191 | } |
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192 | } |
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193 | |||
194 | return 0; |
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195 | } |