WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/modules.c


/*
 * Copyright (c) 2008 Lukas Mejdrech
 * 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.
 */
 
/** @addtogroup net
 * @{
 */
 
/** @file
 */
#include <async.h>
#include <ipc/ipc.h>
#include <ipc/services.h>
 
#include "err.h"
#include "modules.h"
 
#define MODULE_WAIT_TIME    10000
 
int connect_to_service( services_t need ){
    ipcarg_t    phone;
    int     res;
 
    res = async_req_3_5( PHONE_NS, IPC_M_CONNECT_ME_TO, need, 0, 0, NULL, NULL, NULL, NULL, & phone );
    while(( res < 0 ) || ( phone < 0 )){
 
        usleep( MODULE_WAIT_TIME );
        res = async_req_3_5( PHONE_NS, IPC_M_CONNECT_ME_TO, need, 0, 0, NULL, NULL, NULL, NULL, & phone );
 
    }
    return phone;
}
 
int start_service( services_t me, services_t need[], int * need_phone[], void ( * client_connection )( ipc_callid_t iid, ipc_call_t * icall ), int ( * initialize_me )( void )){
    ipcarg_t phonehash;
    ERROR_DECLARE;
 
    if( ! client_connection ) return EINVAL;
    async_set_client_connection( client_connection );
 
    if( need ){
        if( ! need_phone ) return EINVAL;
        while( * need ){
            if( ! * need_phone ) return EINVAL;
 
            /* Connect to the needed service */
            ** need_phone = connect_to_service( * need );
            ++ need;
            ++ need_phone;
        }
    }
 
    /* Initialize service by its callback */
    if( initialize_me ) ERROR_PROPAGATE( initialize_me());
 
    /* Register service at NS */
    if( me ) ERROR_PROPAGATE( REGISTER_ME( me, & phonehash ));
 
    async_manager();
 
    return EOK;
}
 
/** @}
 */
 

Rev 3666	Rev 3685
1	/*	1	/*
2	* Copyright (c) 2008 Lukas Mejdrech	2	* Copyright (c) 2008 Lukas Mejdrech
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	/** @addtogroup net	29	/** @addtogroup net
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/** @file	33	/** @file
34	*/	34	*/
35	#include <async.h>	35	#include <async.h>
36	#include <ipc/ipc.h>	36	#include <ipc/ipc.h>
37	#include <ipc/services.h>	37	#include <ipc/services.h>
38		38
39	#include "err.h"	39	#include "err.h"
40	#include "modules.h"	40	#include "modules.h"
41		41
42	#define MODULE_WAIT_TIME 10000	42	#define MODULE_WAIT_TIME 10000
43		43
44	int connect_to_service( services_t need ){	44	int connect_to_service( services_t need ){
45	int phone;	45	ipcarg_t phone;
-		46	int res;
46		47
47	phone = ipc_connect_me_to( PHONE_NS, need, 0, 0 );	48	res = async_req_3_5( PHONE_NS, IPC_M_CONNECT_ME_TO, need, 0, 0, NULL, NULL, NULL, NULL, & phone );
48	if( phone < 0 ){	49	while(( res < 0 ) \|\| ( phone < 0 )){
49	do{	-
50	usleep( MODULE_WAIT_TIME );	50	usleep( MODULE_WAIT_TIME );
51	phone = ipc_connect_me_to( PHONE_NS, need, 0, 0 );	51	res = async_req_3_5( PHONE_NS, IPC_M_CONNECT_ME_TO, need, 0, 0, NULL, NULL, NULL, NULL, & phone );
52	}while( phone < 0 );	-
53	}	52	}
54	return phone;	53	return phone;
55	}	54	}
56		55
57	int start_service( services_t me, services_t need[], int * need_phone[], void ( * client_connection )( ipc_callid_t iid, ipc_call_t * icall ), int ( * initialize_me )( void )){	56	int start_service( services_t me, services_t need[], int * need_phone[], void ( * client_connection )( ipc_callid_t iid, ipc_call_t * icall ), int ( * initialize_me )( void )){
58	ipcarg_t phonehash;	57	ipcarg_t phonehash;
59	ERROR_DECLARE;	58	ERROR_DECLARE;
60		59
61	if( ! client_connection ) return EINVAL;	60	if( ! client_connection ) return EINVAL;
62	async_set_client_connection( client_connection );	61	async_set_client_connection( client_connection );
63		62
64	if( need ){	63	if( need ){
65	if( ! need_phone ) return EINVAL;	64	if( ! need_phone ) return EINVAL;
66	while( * need ){	65	while( * need ){
67	if( ! * need_phone ) return EINVAL;	66	if( ! * need_phone ) return EINVAL;
68		67
69	/* Connect to the needed service */	68	/* Connect to the needed service */
70	** need_phone = connect_to_service( * need );	69	** need_phone = connect_to_service( * need );
71	++ need;	70	++ need;
72	++ need_phone;	71	++ need_phone;
73	}	72	}
74	}	73	}
75		74
76	/* Initialize service by its callback */	75	/* Initialize service by its callback */
77	if( initialize_me ) ERROR_PROPAGATE( initialize_me());	76	if( initialize_me ) ERROR_PROPAGATE( initialize_me());
78		77
79	/* Register service at NS */	78	/* Register service at NS */
80	if( me ) ERROR_PROPAGATE( REGISTER_ME( me, & phonehash ));	79	if( me ) ERROR_PROPAGATE( REGISTER_ME( me, & phonehash ));
81		80
82	async_manager();	81	async_manager();
83		82
84	return EOK;	83	return EOK;
85	}	84	}
86		85
87	/** @}	86	/** @}
88	*/	87	*/
89		88

Subversion Repositories HelenOS

(root)/branches/network/uspace/srv/net/modules.c – Rev 3666 → 3685