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>
#include <sys/mman.h>
 
#define CONSOLE_COUNT 12 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "CONSOLE"
 
int active_console = 0;
 
struct {
    int phone;      /**< Framebuffer phone */
    ipcarg_t rows;      /**< Framebuffer rows */
    ipcarg_t 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];
keyfield_t *interbuffer = NULL;
   
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;
   
    if (console == active_console) 
        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);
       
                if (interbuffer) {
                    for (i = 0; i < conn->screenbuffer.size_x; i++)
                        for (j = 0; j < conn->screenbuffer.size_y; j++)
                            interbuffer[i + j*conn->screenbuffer.size_x] = *get_field_at(&(conn->screenbuffer),i, j);
                           
                    ipc_call_sync(fb_info.phone, FB_DRAW_TEXT_DATA, 0, NULL);      
                } else {
 
                    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_2(fb_info.phone, FB_SET_STYLE, conn->screenbuffer.style.fg_color, \
                        conn->screenbuffer.style.bg_color, 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;
    };
 
    /* 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_async_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR, NULL, NULL);
    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 ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ|PROTO_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, 0 ,0 )) != NULL) {
        if (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ | AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) {
//          ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '?', 10, 10, NULL, NULL);
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
            interbuffer = NULL;
        }
/*  } else {
        ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '!', 10, 10, NULL, NULL);
*/
    }
   
    async_new_connection(phonehash, 0, NULL, keyboard_events);
   
    ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL);
 
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
        return -1;
    };
   
    async_manager();
 
    return 0;  
}
 

Rev 1514	Rev 1516
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	#include <sys/mman.h>	42	#include <sys/mman.h>
43		43
44	#define CONSOLE_COUNT 12	44	#define CONSOLE_COUNT 12
45	#define MAX_KEYREQUESTS_BUFFERED 32	45	#define MAX_KEYREQUESTS_BUFFERED 32
46		46
47	#define NAME "CONSOLE"	47	#define NAME "CONSOLE"
48		48
49	int active_console = 0;	49	int active_console = 0;
50		50
51	struct {	51	struct {
52	int phone; /*< Framebuffer phone /	52	int phone; /*< Framebuffer phone /
53	ipcarg_t rows; /*< Framebuffer rows /	53	ipcarg_t rows; /*< Framebuffer rows /
54	ipcarg_t cols; /*< Framebuffer columns /	54	ipcarg_t cols; /*< Framebuffer columns /
55	} fb_info;	55	} fb_info;
56		56
57	typedef struct {	57	typedef struct {
58	keybuffer_t keybuffer;	58	keybuffer_t keybuffer;
59	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);	59	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);
60	int keyrequest_counter;	60	int keyrequest_counter;
61	int client_phone;	61	int client_phone;
62	int used;	62	int used;
63	screenbuffer_t screenbuffer;	63	screenbuffer_t screenbuffer;
64	} connection_t;	64	} connection_t;
65		65
66		66
67		67
68	connection_t connections[CONSOLE_COUNT];	68	connection_t connections[CONSOLE_COUNT];
69	keyfield_t *interbuffer = NULL;	69	keyfield_t *interbuffer = NULL;
70		70
71	static int find_free_connection()	71	static int find_free_connection()
72	{	72	{
73	int i = 0;	73	int i = 0;
74		74
75	while (i < CONSOLE_COUNT) {	75	while (i < CONSOLE_COUNT) {
76	if (connections[i].used == 0)	76	if (connections[i].used == 0)
77	return i;	77	return i;
78	++i;	78	++i;
79	}	79	}
80	return CONSOLE_COUNT;	80	return CONSOLE_COUNT;
81	}	81	}
82		82
83		83
84	static int find_connection(int client_phone)	84	static int find_connection(int client_phone)
85	{	85	{
86	int i = 0;	86	int i = 0;
87		87
88	while (i < CONSOLE_COUNT) {	88	while (i < CONSOLE_COUNT) {
89	if (connections[i].client_phone == client_phone)	89	if (connections[i].client_phone == client_phone)
90	return i;	90	return i;
91	++i;	91	++i;
92	}	92	}
93	return CONSOLE_COUNT;	93	return CONSOLE_COUNT;
94	}	94	}
95		95
96	/** Check key and process special keys.	96	/** Check key and process special keys.
97	*	97	*
98	* */	98	* */
99	static void write_char(int console, char key)	99	static void write_char(int console, char key)
100	{	100	{
101	screenbuffer_t *scr = &(connections[console].screenbuffer);	101	screenbuffer_t *scr = &(connections[console].screenbuffer);
102		102
103	switch (key) {	103	switch (key) {
104	case '\n':	104	case '\n':
105	scr->position_y += 1;	105	scr->position_y += 1;
106	scr->position_x = 0;	106	scr->position_x = 0;
107	break;	107	break;
108	case '\r':	108	case '\r':
109	break;	109	break;
110	case '\t':	110	case '\t':
111	scr->position_x += 8;	111	scr->position_x += 8;
112	scr->position_x -= scr->position_x % 8;	112	scr->position_x -= scr->position_x % 8;
113	break;	113	break;
114	case '\b':	114	case '\b':
115	if (scr->position_x == 0)	115	if (scr->position_x == 0)
116	break;	116	break;
117		117
118	scr->position_x--;	118	scr->position_x--;
119		119
120	if (console == active_console) {	120	if (console == active_console) {
121	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x, NULL, NULL);	121	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x, NULL, NULL);
122	}	122	}
123		123
124	screenbuffer_putchar(scr, ' ');	124	screenbuffer_putchar(scr, ' ');
125		125
126	break;	126	break;
127	default:	127	default:
128	if (console == active_console) {	128	if (console == active_console) {
129	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x, NULL, NULL);	129	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x, NULL, NULL);
130	}	130	}
131		131
132	screenbuffer_putchar(scr, key);	132	screenbuffer_putchar(scr, key);
133	scr->position_x++;	133	scr->position_x++;
134	}	134	}
135		135
136	scr->position_y += (scr->position_x >= scr->size_x);	136	scr->position_y += (scr->position_x >= scr->size_x);
137		137
138	if (scr->position_y >= scr->size_y) {	138	if (scr->position_y >= scr->size_y) {
139	scr->position_y = scr->size_y - 1;	139	scr->position_y = scr->size_y - 1;
140	screenbuffer_clear_line(scr, scr->top_line++);	140	screenbuffer_clear_line(scr, scr->top_line++);
141	ipc_call_async(fb_info.phone, FB_SCROLL, 1, NULL, NULL);	141	ipc_call_async(fb_info.phone, FB_SCROLL, 1, NULL, NULL);
142	}	142	}
143		143
144	scr->position_x = scr->position_x % scr->size_x;	144	scr->position_x = scr->position_x % scr->size_x;
145		145
146	if (console == active_console)	146	if (console == active_console)
147	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x, NULL, NULL);	147	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x, NULL, NULL);
148		148
149	}	149	}
150		150
151		151
152	/* Handler for keyboard */	152	/* Handler for keyboard */
153	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	153	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
154	{	154	{
155	ipc_callid_t callid;	155	ipc_callid_t callid;
156	ipc_call_t call;	156	ipc_call_t call;
157	int retval;	157	int retval;
158	int i, j;	158	int i, j;
159	char c,d;	159	char c,d;
160	connection_t *conn;	160	connection_t *conn;
161		161
162	/* Ignore parameters, the connection is alread opened */	162	/* Ignore parameters, the connection is alread opened */
163	while (1) {	163	while (1) {
164	callid = async_get_call(&call);	164	callid = async_get_call(&call);
165	switch (IPC_GET_METHOD(call)) {	165	switch (IPC_GET_METHOD(call)) {
166	case IPC_M_PHONE_HUNGUP:	166	case IPC_M_PHONE_HUNGUP:
167	ipc_answer_fast(callid,0,0,0);	167	ipc_answer_fast(callid,0,0,0);
168	/* TODO: Handle hangup */	168	/* TODO: Handle hangup */
169	return;	169	return;
170	case KBD_PUSHCHAR:	170	case KBD_PUSHCHAR:
171	/* got key from keyboard driver */	171	/* got key from keyboard driver */
172		172
173	retval = 0;	173	retval = 0;
174	c = IPC_GET_ARG1(call);	174	c = IPC_GET_ARG1(call);
175	/* switch to another virtual console */	175	/* switch to another virtual console */
176		176
177	conn = &connections[active_console];	177	conn = &connections[active_console];
178	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {	178	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
179	if ((c >= '1') && (c < '1' + CONSOLE_COUNT)) {	179	if ((c >= '1') && (c < '1' + CONSOLE_COUNT)) {
180	/FIXME: draw another console content from buffer /	180	/FIXME: draw another console content from buffer /
181	if (c - '1' == active_console)	181	if (c - '1' == active_console)
182	break;	182	break;
183	active_console = c - '1';	183	active_console = c - '1';
184	conn = &connections[active_console];	184	conn = &connections[active_console];
185		185
186	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 0, NULL, NULL);	186	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 0, NULL, NULL);
187		187
188	if (interbuffer) {	188	if (interbuffer) {
189	for (i = 0; i < fb_info.cols * fb_info.rows; i++)	189	for (i = 0; i < conn->screenbuffer.size_x; i++)
190	interbuffer[i] = conn->screenbuffer.buffer[i];	190	for (j = 0; j < conn->screenbuffer.size_y; j++)
-		191	interbuffer[i + jconn->screenbuffer.size_x] = get_field_at(&(conn->screenbuffer),i, j);
-		192
191	ipc_call_sync(fb_info.phone, FB_DRAW_TEXT_DATA, 0, NULL);	193	ipc_call_sync(fb_info.phone, FB_DRAW_TEXT_DATA, 0, NULL);
192	} else {	194	} else {
193		195
194	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);	196	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);
195		197
196		198
197	for (i = 0; i < conn->screenbuffer.size_x; i++)	199	for (i = 0; i < conn->screenbuffer.size_x; i++)
198	for (j = 0; j < conn->screenbuffer.size_y; j++) {	200	for (j = 0; j < conn->screenbuffer.size_y; j++) {
199	d = get_field_at(&(conn->screenbuffer),i, j)->character;	201	d = get_field_at(&(conn->screenbuffer),i, j)->character;
200	if (d && d != ' ')	202	if (d && d != ' ')
201	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, d, j, i, NULL, NULL);	203	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, d, j, i, NULL, NULL);
202	}	204	}
203		205
204	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x, NULL, NULL);	-
205	}	206	}
-		207	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x, NULL, NULL);
-		208	ipc_call_async_2(fb_info.phone, FB_SET_STYLE, conn->screenbuffer.style.fg_color, \
-		209	conn->screenbuffer.style.bg_color, NULL, NULL);
206	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL, NULL);	210	ipc_call_async(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL, NULL);
207		211
208	break;	212	break;
209	}	213	}
210		214
211	/* if client is awaiting key, send it */	215	/* if client is awaiting key, send it */
212	if (conn->keyrequest_counter > 0) {	216	if (conn->keyrequest_counter > 0) {
213	conn->keyrequest_counter--;	217	conn->keyrequest_counter--;
214	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);	218	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
215	break;	219	break;
216	}	220	}
217		221
218	/FIXME: else store key to its buffer /	222	/FIXME: else store key to its buffer /
219	keybuffer_push(&conn->keybuffer, c);	223	keybuffer_push(&conn->keybuffer, c);
220		224
221	break;	225	break;
222	default:	226	default:
223	retval = ENOENT;	227	retval = ENOENT;
224	}	228	}
225	ipc_answer_fast(callid, retval, 0, 0);	229	ipc_answer_fast(callid, retval, 0, 0);
226	}	230	}
227	}	231	}
228		232
229	/** Default thread for new connections */	233	/** Default thread for new connections */
230	void client_connection(ipc_callid_t iid, ipc_call_t *icall)	234	void client_connection(ipc_callid_t iid, ipc_call_t *icall)
231	{	235	{
232	ipc_callid_t callid;	236	ipc_callid_t callid;
233	ipc_call_t call;	237	ipc_call_t call;
234	int consnum;	238	int consnum;
235	ipcarg_t arg1;	239	ipcarg_t arg1;
236		240
237	if ((consnum = find_free_connection()) == CONSOLE_COUNT) {	241	if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
238	ipc_answer_fast(iid,ELIMIT,0,0);	242	ipc_answer_fast(iid,ELIMIT,0,0);
239	return;	243	return;
240	}	244	}
241		245
242	connections[consnum].used = 1;	246	connections[consnum].used = 1;
243	connections[consnum].client_phone = IPC_GET_ARG3(call);	247	connections[consnum].client_phone = IPC_GET_ARG3(call);
244	screenbuffer_clear(&(connections[consnum].screenbuffer));	248	screenbuffer_clear(&(connections[consnum].screenbuffer));
245		249
246	/* Accept the connection */	250	/* Accept the connection */
247	ipc_answer_fast(iid,0,0,0);	251	ipc_answer_fast(iid,0,0,0);
248		252
249	while (1) {	253	while (1) {
250	callid = async_get_call(&call);	254	callid = async_get_call(&call);
251	switch (IPC_GET_METHOD(call)) {	255	switch (IPC_GET_METHOD(call)) {
252	case IPC_M_PHONE_HUNGUP:	256	case IPC_M_PHONE_HUNGUP:
253	/* TODO */	257	/* TODO */
254	ipc_answer_fast(callid, 0,0,0);	258	ipc_answer_fast(callid, 0,0,0);
255	return;	259	return;
256	case CONSOLE_PUTCHAR:	260	case CONSOLE_PUTCHAR:
257	write_char(consnum, IPC_GET_ARG1(call));	261	write_char(consnum, IPC_GET_ARG1(call));
258	break;	262	break;
259	case CONSOLE_CLEAR:	263	case CONSOLE_CLEAR:
260	/* Send message to fb */	264	/* Send message to fb */
261	if (consnum == active_console) {	265	if (consnum == active_console) {
262	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);	266	ipc_call_async_2(fb_info.phone, FB_CLEAR, 0, 0, NULL, NULL);
263	}	267	}
264		268
265	screenbuffer_clear(&(connections[consnum].screenbuffer));	269	screenbuffer_clear(&(connections[consnum].screenbuffer));
266		270
267	break;	271	break;
268	case CONSOLE_GOTO:	272	case CONSOLE_GOTO:
269		273
270	screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));	274	screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));
271		275
272	break;	276	break;
273		277
274	case CONSOLE_GETCHAR:	278	case CONSOLE_GETCHAR:
275	if (keybuffer_empty(&(connections[consnum].keybuffer))) {	279	if (keybuffer_empty(&(connections[consnum].keybuffer))) {
276	/* buffer is empty -> store request */	280	/* buffer is empty -> store request */
277	if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {	281	if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {
278	fifo_push(connections[consnum].keyrequests, callid);	282	fifo_push(connections[consnum].keyrequests, callid);
279	connections[consnum].keyrequest_counter++;	283	connections[consnum].keyrequest_counter++;
280	} else {	284	} else {
281	/* no key available and too many requests => fail */	285	/* no key available and too many requests => fail */
282	ipc_answer_fast(callid, ELIMIT, 0, 0);	286	ipc_answer_fast(callid, ELIMIT, 0, 0);
283	}	287	}
284	continue;	288	continue;
285	};	289	};
286	keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);	290	keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);
287		291
288	break;	292	break;
289	}	293	}
290	ipc_answer_fast(callid, 0, arg1, 0);	294	ipc_answer_fast(callid, 0, arg1, 0);
291	}	295	}
292	}	296	}
293		297
294	int main(int argc, char *argv[])	298	int main(int argc, char *argv[])
295	{	299	{
296	ipcarg_t phonehash;	300	ipcarg_t phonehash;
297	int kbd_phone, fb_phone;	301	int kbd_phone, fb_phone;
298	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;	302	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
299	int i;	303	int i;
300		304
301	async_set_client_connection(client_connection);	305	async_set_client_connection(client_connection);
302		306
303	/* Connect to keyboard driver */	307	/* Connect to keyboard driver */
304		308
305	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {	309	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
306	usleep(10000);	310	usleep(10000);
307	};	311	};
308		312
309	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {	313	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
310	return -1;	314	return -1;
311	};	315	};
312		316
313	/* Connect to framebuffer driver */	317	/* Connect to framebuffer driver */
314		318
315	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {	319	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
316	usleep(10000);	320	usleep(10000);
317	}	321	}
318		322
319	ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));	323	ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
320	ipc_call_async_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR, NULL, NULL);	324	ipc_call_async_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR, NULL, NULL);
321	ipc_call_sync(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL);	325	ipc_call_sync(fb_info.phone, FB_CURSOR_VISIBILITY, 1, NULL);
322		326
323	/* Init virtual consoles */	327	/* Init virtual consoles */
324	for (i = 0; i < CONSOLE_COUNT; i++) {	328	for (i = 0; i < CONSOLE_COUNT; i++) {
325	connections[i].used = 0;	329	connections[i].used = 0;
326	keybuffer_init(&(connections[i].keybuffer));	330	keybuffer_init(&(connections[i].keybuffer));
327		331
328	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;	332	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
329	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	333	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
330	connections[i].keyrequest_counter = 0;	334	connections[i].keyrequest_counter = 0;
331		335
332	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {	336	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
333	/FIXME: handle error /	337	/FIXME: handle error /
334	return -1;	338	return -1;
335	}	339	}
336	}	340	}
337		341
338	if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ\|PROTO_WRITE, MAP_ANONYMOUS\|MAP_PRIVATE, 0 ,0 )) != NULL) {	342	if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ\|PROTO_WRITE, MAP_ANONYMOUS\|MAP_PRIVATE, 0 ,0 )) != NULL) {
339	if (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ \| AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) {	343	if (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ \| AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) {
340	// ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '?', 10, 10, NULL, NULL);	344	// ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '?', 10, 10, NULL, NULL);
341	munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);	345	munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
342	interbuffer = NULL;	346	interbuffer = NULL;
343	}	347	}
344	/* } else {	348	/* } else {
345	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '!', 10, 10, NULL, NULL);	349	ipc_call_async_3(fb_info.phone, FB_PUTCHAR, '!', 10, 10, NULL, NULL);
346	*/	350	*/
347	}	351	}
348		352
349	async_new_connection(phonehash, 0, NULL, keyboard_events);	353	async_new_connection(phonehash, 0, NULL, keyboard_events);
350		354
351	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL);	355	ipc_call_async_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL);
352		356
353	if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {	357	if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
354	return -1;	358	return -1;
355	};	359	};
356		360
357	async_manager();	361	async_manager();
358		362
359	return 0;	363	return 0;
360	}	364	}
361		365

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(root)/uspace/trunk/console/console.c – Rev 1514 → 1516