WebSVN – HelenOS-historic – Diff – /uspace/trunk/console/console.c


/*
 * Copyright (C) 2006 Josef Cejka
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 
#include <kbd.h>
#include <fb.h>
#include <ipc/ipc.h>
#include <ipc/fb.h>
#include <ipc/services.h>
#include <errno.h>
#include <key_buffer.h>
#include <console.h>
#include <unistd.h>
#include <async.h>
#include <libadt/fifo.h>
#include <screenbuffer.h>
 
#define CONSOLE_COUNT 12 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "CONSOLE"
 
int active_console = 1;
 
struct {
    int phone;      /**< Framebuffer phone */
    int rows;       /**< Framebuffer rows */
    int cols;       /**< Framebuffer columns */
} fb_info;
 
typedef struct {
    keybuffer_t keybuffer;
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);
    int keyrequest_counter;
    int client_phone;
    int used;
    screenbuffer_t screenbuffer;
} connection_t;
 
connection_t connections[CONSOLE_COUNT];
 
static int find_free_connection()
{
    int i = 0;
   
    while (i < CONSOLE_COUNT) {
        if (connections[i].used == 0)
            return i;
        ++i;
    }
    return CONSOLE_COUNT;
}
 
 
static int find_connection(int client_phone)
{
    int i = 0;
   
    while (i < CONSOLE_COUNT) {
        if (connections[i].client_phone == client_phone)
            return i;
        ++i;
    }
    return  CONSOLE_COUNT;
}
 
/** Check key and process special keys.
 *
 * */
static void write_char(int console, char key)
{
    screenbuffer_t *scr = &(connections[console].screenbuffer);
   
    switch (key) {
        case '\n':
            scr->position_y += 1;
            scr->position_x =  0;
            break;
        case '\r':
            break;
        case '\t':
            scr->position_x += 8;
            scr->position_x -= scr->position_x % 8;
            break;
        case '\b':
            if (scr->position_x == 0)
                break;
 
            scr->position_x--;
 
            if (console == active_console) {
                ipc_call_async_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x, NULL, NULL);
            }
   
            screenbuffer_putchar(scr, ' ');
           
            break;
        default:   
            if (console == active_console) {
                ipc_call_async_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x, NULL, NULL);
            }
   
            screenbuffer_putchar(scr, key);
            scr->position_x++;
    }
   
    scr->position_y += (scr->position_x >= scr->size_x);
   
    if (scr->position_y >= scr->size_y) {
        scr->position_y = scr->size_y - 1;
        screenbuffer_clear_line(scr, scr->top_line++);
        ipc_call_async(fb_info.phone, FB_SCROLL, 1, NULL, NULL);
    }
   
    scr->position_x = scr->position_x % scr->size_x;
    scr->position_y = scr->position_y  % scr->size_y;
    ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x, NULL, NULL);
   
}
 
 
/* Handler for keyboard */
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int retval;
    int i, j;
    char c,d;
    connection_t *conn;
 
    /* Ignore parameters, the connection is alread opened */
    while (1) {
        callid = async_get_call(&call);
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            ipc_answer_fast(callid,0,0,0);
            /* TODO: Handle hangup */
            return;
        case KBD_PUSHCHAR:
            /* got key from keyboard driver */
           
            retval = 0;
            c = IPC_GET_ARG1(call);
            /* switch to another virtual console */
           
            conn = &connections[active_console];
//          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
            if ((c >= '1') && (c < '1' + CONSOLE_COUNT)) {
                /*FIXME: draw another console content from buffer */
                if (c - '1' == active_console)
                        break;
                active_console = c - '1';
                conn = &connections[active_console];
 
                ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 0, NULL, NULL);
                ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);
               
                for (i = 0; i < conn->screenbuffer.size_x; i++)
                    for (j = 0; j < conn->screenbuffer.size_y; j++) {
                        d = get_field_at(&(conn->screenbuffer),i, j)->character;
                        if (d && d != ' ')
                            ipc_call_async_3(fb_info.phone, FB_PUTCHAR, d, j, i, NULL, NULL);
                    }
 
                ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x, NULL, NULL);
                ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL, NULL);
 
                break;
            }
           
            /* if client is awaiting key, send it */
            if (conn->keyrequest_counter > 0) {    
                conn->keyrequest_counter--;
                ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
                break;
            }
           
            /*FIXME: else store key to its buffer */
            keybuffer_push(&conn->keybuffer, c);
           
            break;
        default:
            retval = ENOENT;
        }      
        ipc_answer_fast(callid, retval, 0, 0);
    }
}
 
/** Default thread for new connections */
void client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int consnum;
    ipcarg_t arg1;
 
    if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
        ipc_answer_fast(iid,ELIMIT,0,0);
        return;
    }
 
    connections[consnum].used = 1;
    connections[consnum].client_phone = IPC_GET_ARG3(call);
    screenbuffer_clear(&(connections[consnum].screenbuffer));
   
    /* Accept the connection */
    ipc_answer_fast(iid,0,0,0);
   
    while (1) {
        callid = async_get_call(&call);
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            /* TODO */
            ipc_answer_fast(callid, 0,0,0);
            return;
        case CONSOLE_PUTCHAR:
            write_char(consnum, IPC_GET_ARG1(call));
            break;
        case CONSOLE_CLEAR:
            /* Send message to fb */
            if (consnum == active_console) {
                ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);
            }
           
            screenbuffer_clear(&(connections[consnum].screenbuffer));
           
            break;
        case CONSOLE_GOTO:
           
            screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));
           
            break;
 
        case CONSOLE_GETCHAR:
            if (keybuffer_empty(&(connections[consnum].keybuffer))) {
                /* buffer is empty -> store request */
                if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {      
                    fifo_push(connections[consnum].keyrequests, callid);
                    connections[consnum].keyrequest_counter++;
                } else {
                    /* no key available and too many requests => fail */
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
                }
                continue;
            };
            keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);
           
            break;
        }
        ipc_answer_fast(callid, 0, arg1, 0);
    }
}
 
int main(int argc, char *argv[])
{
    ipcarg_t phonehash;
    int kbd_phone, fb_phone;
    ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
    int i;
 
    async_set_client_connection(client_connection);
   
    /* Connect to keyboard driver */
 
    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
        usleep(10000);
    };
   
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
        return -1;
    };
    async_new_connection(phonehash, 0, NULL, keyboard_events);
 
    /* Connect to framebuffer driver */
   
    while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
        usleep(10000);
    }
   
    ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
    ipc_call_sync(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL);
   
    /* Init virtual consoles */
    for (i = 0; i < CONSOLE_COUNT; i++) {
        connections[i].used = 0;
        keybuffer_init(&(connections[i].keybuffer));
       
        connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
        connections[i].keyrequest_counter = 0;
       
        if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
            /*FIXME: handle error */
            return -1;
        }
    }
   
 
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
        return -1;
    };
   
    async_manager();
 
    return 0;  
}
 

Rev 1497	Rev 1499
1	/*	1	/*
2	* Copyright (C) 2006 Josef Cejka	2	* Copyright (C) 2006 Josef Cejka
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	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	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.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	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	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	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	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	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	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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29		29
30	#include <kbd.h>	30	#include <kbd.h>
31	#include <fb.h>	31	#include <fb.h>
32	#include <ipc/ipc.h>	32	#include <ipc/ipc.h>
33	#include <ipc/fb.h>	33	#include <ipc/fb.h>
34	#include <ipc/services.h>	34	#include <ipc/services.h>
35	#include <errno.h>	35	#include <errno.h>
36	#include <key_buffer.h>	36	#include <key_buffer.h>
37	#include <console.h>	37	#include <console.h>
38	#include <unistd.h>	38	#include <unistd.h>
39	#include <async.h>	39	#include <async.h>
40	#include <libadt/fifo.h>	40	#include <libadt/fifo.h>
41	#include <screenbuffer.h>	41	#include <screenbuffer.h>
42		42
43	#define CONSOLE_COUNT 12	43	#define CONSOLE_COUNT 12
44	#define MAX_KEYREQUESTS_BUFFERED 32	44	#define MAX_KEYREQUESTS_BUFFERED 32
45		45
46	#define NAME "CONSOLE"	46	#define NAME "CONSOLE"
47		47
48	int active_console = 1;	48	int active_console = 1;
49		49
50	struct {	50	struct {
51	int phone; /*< Framebuffer phone /	51	int phone; /*< Framebuffer phone /
52	int rows; /*< Framebuffer rows /	52	int rows; /*< Framebuffer rows /
53	int cols; /*< Framebuffer columns /	53	int cols; /*< Framebuffer columns /
54	} fb_info;	54	} fb_info;
55		55
56	typedef struct {	56	typedef struct {
57	keybuffer_t keybuffer;	57	keybuffer_t keybuffer;
58	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);	58	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);
59	int keyrequest_counter;	59	int keyrequest_counter;
60	int client_phone;	60	int client_phone;
61	int used;	61	int used;
62	screenbuffer_t screenbuffer;	62	screenbuffer_t screenbuffer;
63	} connection_t;	63	} connection_t;
64		64
65	connection_t connections[CONSOLE_COUNT];	65	connection_t connections[CONSOLE_COUNT];
66		66
67	static int find_free_connection()	67	static int find_free_connection()
68	{	68	{
69	int i = 0;	69	int i = 0;
70		70
71	while (i < CONSOLE_COUNT) {	71	while (i < CONSOLE_COUNT) {
72	if (connections[i].used == 0)	72	if (connections[i].used == 0)
73	return i;	73	return i;
74	++i;	74	++i;
75	}	75	}
76	return CONSOLE_COUNT;	76	return CONSOLE_COUNT;
77	}	77	}
78		78
79		79
80	static int find_connection(int client_phone)	80	static int find_connection(int client_phone)
81	{	81	{
82	int i = 0;	82	int i = 0;
83		83
84	while (i < CONSOLE_COUNT) {	84	while (i < CONSOLE_COUNT) {
85	if (connections[i].client_phone == client_phone)	85	if (connections[i].client_phone == client_phone)
86	return i;	86	return i;
87	++i;	87	++i;
88	}	88	}
89	return CONSOLE_COUNT;	89	return CONSOLE_COUNT;
90	}	90	}
91		91
92	/** Check key and process special keys.	92	/** Check key and process special keys.
93	*	93	*
94	* */	94	* */
95	static void write_char(int console, char key)	95	static void write_char(int console, char key)
96	{	96	{
97	screenbuffer_t *scr = &(connections[console].screenbuffer);	97	screenbuffer_t *scr = &(connections[console].screenbuffer);
98		98
99	switch (key) {	99	switch (key) {
100	case '\n':	100	case '\n':
101	scr->position_y += 1;	101	scr->position_y += 1;
102	scr->position_x = 0;	102	scr->position_x = 0;
103	break;	103	break;
104	case '\r':	104	case '\r':
105	break;	105	break;
106	case '\t':	106	case '\t':
107	scr->position_x += 8;	107	scr->position_x += 8;
108	scr->position_x -= scr->position_x % 8;	108	scr->position_x -= scr->position_x % 8;
109	break;	109	break;
110	case '\b':	110	case '\b':
111	if (scr->position_x == 0)	111	if (scr->position_x == 0)
112	break;	112	break;
113		113
114	scr->position_x--;	114	scr->position_x--;
115		115
116	if (console == active_console) {	116	if (console == active_console) {
117	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x, NULL, NULL);	117	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x, NULL, NULL);
118	}	118	}
119		119
120	screenbuffer_putchar(scr, ' ');	120	screenbuffer_putchar(scr, ' ');
121		121
122	break;	122	break;
123	default:	123	default:
124	if (console == active_console) {	124	if (console == active_console) {
125	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x, NULL, NULL);	125	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x, NULL, NULL);
126	}	126	}
127		127
128	screenbuffer_putchar(scr, key);	128	screenbuffer_putchar(scr, key);
129	scr->position_x++;	129	scr->position_x++;
130	}	130	}
131		131
132	scr->position_y += (scr->position_x >= scr->size_x);	132	scr->position_y += (scr->position_x >= scr->size_x);
133		133
134	if (scr->position_y >= scr->size_y) {	134	if (scr->position_y >= scr->size_y) {
135	scr->position_y = scr->size_y - 1;	135	scr->position_y = scr->size_y - 1;
136	screenbuffer_clear_line(scr, scr->top_line++);	136	screenbuffer_clear_line(scr, scr->top_line++);
137	ipc_call_async(fb_info.phone, FB_SCROLL, 1, NULL, NULL);	137	ipc_call_async(fb_info.phone, FB_SCROLL, 1, NULL, NULL);
138	}	138	}
139		139
140	scr->position_x = scr->position_x % scr->size_x;	140	scr->position_x = scr->position_x % scr->size_x;
141	scr->position_y = scr->position_y % scr->size_y;	141	scr->position_y = scr->position_y % scr->size_y;
-		142	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x, NULL, NULL);
142		143
143	}	144	}
144		145
145		146
146	/* Handler for keyboard */	147	/* Handler for keyboard */
147	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	148	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
148	{	149	{
149	ipc_callid_t callid;	150	ipc_callid_t callid;
150	ipc_call_t call;	151	ipc_call_t call;
151	int retval;	152	int retval;
152	int i, j;	153	int i, j;
153	char c,d;	154	char c,d;
154	connection_t *conn;	155	connection_t *conn;
155		156
156	/* Ignore parameters, the connection is alread opened */	157	/* Ignore parameters, the connection is alread opened */
157	while (1) {	158	while (1) {
158	callid = async_get_call(&call);	159	callid = async_get_call(&call);
159	switch (IPC_GET_METHOD(call)) {	160	switch (IPC_GET_METHOD(call)) {
160	case IPC_M_PHONE_HUNGUP:	161	case IPC_M_PHONE_HUNGUP:
161	ipc_answer_fast(callid,0,0,0);	162	ipc_answer_fast(callid,0,0,0);
162	/* TODO: Handle hangup */	163	/* TODO: Handle hangup */
163	return;	164	return;
164	case KBD_PUSHCHAR:	165	case KBD_PUSHCHAR:
165	/* got key from keyboard driver */	166	/* got key from keyboard driver */
166		167
167	retval = 0;	168	retval = 0;
168	c = IPC_GET_ARG1(call);	169	c = IPC_GET_ARG1(call);
169	/* switch to another virtual console */	170	/* switch to another virtual console */
170		171
171	conn = &connections[active_console];	172	conn = &connections[active_console];
172	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {	173	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
173	if ((c >= '1') && (c < '1' + CONSOLE_COUNT)) {	174	if ((c >= '1') && (c < '1' + CONSOLE_COUNT)) {
174	/FIXME: draw another console content from buffer /	175	/FIXME: draw another console content from buffer /
175	if (c - KBD_KEY_F1 == active_console)	176	if (c - '1' == active_console)
176	break;	177	break;
177	active_console = c - '1';	178	active_console = c - '1';
178	conn = &connections[active_console];	179	conn = &connections[active_console];
179		180
180	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 0, NULL, NULL);	181	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 0, NULL, NULL);
181	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);	182	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);
182		183
183	for (i = 0; i < conn->screenbuffer.size_x; i++)	184	for (i = 0; i < conn->screenbuffer.size_x; i++)
184	for (j = 0; j < conn->screenbuffer.size_y; j++) {	185	for (j = 0; j < conn->screenbuffer.size_y; j++) {
185	d = get_field_at(&(conn->screenbuffer),i, j)->character;	186	d = get_field_at(&(conn->screenbuffer),i, j)->character;
186	if (d && d != ' ')	187	if (d && d != ' ')
187	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, d, j, i, NULL, NULL);	188	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, d, j, i, NULL, NULL);
188	}	189	}
-		190
189	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x, NULL, NULL);	191	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x, NULL, NULL);
190	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL, NULL);	192	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL, NULL);
191		193
192	break;	194	break;
193	}	195	}
194		196
195	/* if client is awaiting key, send it */	197	/* if client is awaiting key, send it */
196	if (conn->keyrequest_counter > 0) {	198	if (conn->keyrequest_counter > 0) {
197	conn->keyrequest_counter--;	199	conn->keyrequest_counter--;
198	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);	200	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
199	break;	201	break;
200	}	202	}
201		203
202	/FIXME: else store key to its buffer /	204	/FIXME: else store key to its buffer /
203	keybuffer_push(&conn->keybuffer, c);	205	keybuffer_push(&conn->keybuffer, c);
204		206
205	break;	207	break;
206	default:	208	default:
207	retval = ENOENT;	209	retval = ENOENT;
208	}	210	}
209	ipc_answer_fast(callid, retval, 0, 0);	211	ipc_answer_fast(callid, retval, 0, 0);
210	}	212	}
211	}	213	}
212		214
213	/** Default thread for new connections */	215	/** Default thread for new connections */
214	void client_connection(ipc_callid_t iid, ipc_call_t *icall)	216	void client_connection(ipc_callid_t iid, ipc_call_t *icall)
215	{	217	{
216	ipc_callid_t callid;	218	ipc_callid_t callid;
217	ipc_call_t call;	219	ipc_call_t call;
218	int consnum;	220	int consnum;
219	ipcarg_t arg1;	221	ipcarg_t arg1;
220		222
221	if ((consnum = find_free_connection()) == CONSOLE_COUNT) {	223	if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
222	ipc_answer_fast(iid,ELIMIT,0,0);	224	ipc_answer_fast(iid,ELIMIT,0,0);
223	return;	225	return;
224	}	226	}
225		227
226	connections[consnum].used = 1;	228	connections[consnum].used = 1;
227	connections[consnum].client_phone = IPC_GET_ARG3(call);	229	connections[consnum].client_phone = IPC_GET_ARG3(call);
228	screenbuffer_clear(&(connections[consnum].screenbuffer));	230	screenbuffer_clear(&(connections[consnum].screenbuffer));
229		231
230	/* Accept the connection */	232	/* Accept the connection */
231	ipc_answer_fast(iid,0,0,0);	233	ipc_answer_fast(iid,0,0,0);
232		234
233	while (1) {	235	while (1) {
234	callid = async_get_call(&call);	236	callid = async_get_call(&call);
235	switch (IPC_GET_METHOD(call)) {	237	switch (IPC_GET_METHOD(call)) {
236	case IPC_M_PHONE_HUNGUP:	238	case IPC_M_PHONE_HUNGUP:
237	/* TODO */	239	/* TODO */
238	ipc_answer_fast(callid, 0,0,0);	240	ipc_answer_fast(callid, 0,0,0);
239	return;	241	return;
240	case CONSOLE_PUTCHAR:	242	case CONSOLE_PUTCHAR:
241	write_char(consnum, IPC_GET_ARG1(call));	243	write_char(consnum, IPC_GET_ARG1(call));
242	break;	244	break;
243	case CONSOLE_CLEAR:	245	case CONSOLE_CLEAR:
244	/* Send message to fb */	246	/* Send message to fb */
245	if (consnum == active_console) {	247	if (consnum == active_console) {
246	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);	248	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);
247	}	249	}
248		250
249	screenbuffer_clear(&(connections[consnum].screenbuffer));	251	screenbuffer_clear(&(connections[consnum].screenbuffer));
250		252
251	break;	253	break;
252	case CONSOLE_GOTO:	254	case CONSOLE_GOTO:
253		255
254	screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));	256	screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));
255		257
256	break;	258	break;
257		259
258	case CONSOLE_GETCHAR:	260	case CONSOLE_GETCHAR:
259	if (keybuffer_empty(&(connections[consnum].keybuffer))) {	261	if (keybuffer_empty(&(connections[consnum].keybuffer))) {
260	/* buffer is empty -> store request */	262	/* buffer is empty -> store request */
261	if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {	263	if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {
262	fifo_push(connections[consnum].keyrequests, callid);	264	fifo_push(connections[consnum].keyrequests, callid);
263	connections[consnum].keyrequest_counter++;	265	connections[consnum].keyrequest_counter++;
264	} else {	266	} else {
265	/* no key available and too many requests => fail */	267	/* no key available and too many requests => fail */
266	ipc_answer_fast(callid, ELIMIT, 0, 0);	268	ipc_answer_fast(callid, ELIMIT, 0, 0);
267	}	269	}
268	continue;	270	continue;
269	};	271	};
270	keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);	272	keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);
271		273
272	break;	274	break;
273	}	275	}
274	ipc_answer_fast(callid, 0, arg1, 0);	276	ipc_answer_fast(callid, 0, arg1, 0);
275	}	277	}
276	}	278	}
277		279
278	int main(int argc, char *argv[])	280	int main(int argc, char *argv[])
279	{	281	{
280	ipcarg_t phonehash;	282	ipcarg_t phonehash;
281	int kbd_phone, fb_phone;	283	int kbd_phone, fb_phone;
282	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;	284	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
283	int i;	285	int i;
284		286
285	async_set_client_connection(client_connection);	287	async_set_client_connection(client_connection);
286		288
287	/* Connect to keyboard driver */	289	/* Connect to keyboard driver */
288		290
289	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {	291	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
290	usleep(10000);	292	usleep(10000);
291	};	293	};
292		294
293	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {	295	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
294	return -1;	296	return -1;
295	};	297	};
296	async_new_connection(phonehash, 0, NULL, keyboard_events);	298	async_new_connection(phonehash, 0, NULL, keyboard_events);
297		299
298	/* Connect to framebuffer driver */	300	/* Connect to framebuffer driver */
299		301
300	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {	302	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
301	usleep(10000);	303	usleep(10000);
302	}	304	}
303		305
304	ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));	306	ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
305	ipc_call_sync(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL);	307	ipc_call_sync(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL);
306		308
307	/* Init virtual consoles */	309	/* Init virtual consoles */
308	for (i = 0; i < CONSOLE_COUNT; i++) {	310	for (i = 0; i < CONSOLE_COUNT; i++) {
309	connections[i].used = 0;	311	connections[i].used = 0;
310	keybuffer_init(&(connections[i].keybuffer));	312	keybuffer_init(&(connections[i].keybuffer));
311		313
312	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;	314	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
313	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	315	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
314	connections[i].keyrequest_counter = 0;	316	connections[i].keyrequest_counter = 0;
315		317
316	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {	318	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
317	/FIXME: handle error /	319	/FIXME: handle error /
318	return -1;	320	return -1;
319	}	321	}
320	}	322	}
321		323
322		324
323	if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {	325	if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
324	return -1;	326	return -1;
325	};	327	};
326		328
327	async_manager();	329	async_manager();
328		330
329	return 0;	331	return 0;
330	}	332	}
331		333

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(root)/uspace/trunk/console/console.c – Rev 1497 → 1499