Subversion Repositories HelenOS

Rev

Rev 1451 | Rev 1459 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1445 cejka 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>
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>
1451 cejka 36
#include <key_buffer.h>
37
#include <console.h>
1453 palkovsky 38
#include <unistd.h>
39
#include <async.h>
1445 cejka 40
 
1451 cejka 41
//#define CONSOLE_COUNT VFB_CONNECTIONS
42
#define CONSOLE_COUNT 6
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;
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
 
1453 palkovsky 84
/* Handler for keyboard */
85
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
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;
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_answer_fast(callid, 0, 0, 0);
116
            break;
117
        default:
118
            ipc_answer_fast(callid,ENOENT,0,0);
119
        }      
120
    }
121
}
122
 
123
/** Default thread for new connections */
124
void client_connection(ipc_callid_t iid, ipc_call_t *icall)
125
{
1445 cejka 126
    ipc_callid_t callid;
1453 palkovsky 127
    ipc_call_t call;
128
    int consnum;
129
    ipcarg_t arg1;
130
 
131
    if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
132
        ipc_answer_fast(iid,ELIMIT,0,0);
133
        return;
134
    }
135
    connections[consnum].used = 1;
136
    connections[consnum].client_phone = IPC_GET_ARG3(call);
137
 
138
    /* Accept the connection */
139
    ipc_answer_fast(iid,0,0,0);
140
 
141
    while (1) {
142
        callid = async_get_call(&call);
143
        switch (IPC_GET_METHOD(call)) {
144
        case IPC_M_PHONE_HUNGUP:
145
            /* TODO */
146
            ipc_answer_fast(callid, 0,0,0);
147
            return;
148
        case CONSOLE_PUTCHAR:
149
            /* TODO: send message to fb */
150
            ipc_call_async_2(connections[consnum].vfb_phone, FB_PUTCHAR, IPC_GET_ARG1(call), IPC_GET_ARG2(call), NULL, NULL);
151
            break;
152
        case CONSOLE_GETCHAR:
153
            /* FIXME: */
154
            if (!keybuffer_pop(&(connections[active_client].keybuffer), (char *)&arg1)) {
155
                /* FIXME: buffer empty -> store request */
156
                arg1 = 'X'; /* Only temporary */
157
            };
158
//ipc_call_async_2(connections[active_client].vfb_phone, FB_PUTCHAR, ' ', arg1, NULL, (void *)NULL); 
159
            break;
160
        }
161
        ipc_answer_fast(callid, 0,0,0);
162
    }
163
}
164
 
165
int main(int argc, char *argv[])
166
{
167
    ipcarg_t phonehash;
1451 cejka 168
    int kbd_phone, fb_phone;
1445 cejka 169
    ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
1451 cejka 170
    int i;
1445 cejka 171
 
172
    /* Connect to keyboard driver */
173
 
1451 cejka 174
    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
1453 palkovsky 175
        usleep(10000);
1445 cejka 176
    };
177
 
1453 palkovsky 178
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
1445 cejka 179
        return -1;
180
    };
1453 palkovsky 181
    async_new_connection(phonehash, 0, NULL, keyboard_events);
1445 cejka 182
 
183
    /* Connect to framebuffer driver */
184
 
1451 cejka 185
    for (i = 0; i < CONSOLE_COUNT; i++) {
186
        connections[i].used = 0;
187
        keybuffer_init(&(connections[i].keybuffer));
188
        /* TODO: init key_buffer */
189
        while ((connections[i].vfb_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
190
 
1453 palkovsky 191
            ipc_call_async_2(connections[i].vfb_phone, FB_PUTCHAR, 'a', 'b', NULL, (void *)NULL);
1451 cejka 192
        }
193
    }
1445 cejka 194
 
1453 palkovsky 195
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
1445 cejka 196
        return -1;
197
    };
198
 
1453 palkovsky 199
    async_manager();
1451 cejka 200
 
1445 cejka 201
    return 0;  
202
}