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


/*
 * Copyright (c) 2009 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
 *  Generic module functions.
 */
 
#ifndef __NET_MODULES_H__
#define __NET_MODULES_H__
 
#include <async.h>
 
#include <ipc/ipc.h>
#include <ipc/services.h>
 
/** Converts the data length between different types.
 *  @param[in] type_from The source type.
 *  @param[in] type_to The destination type.
 *  @param[in] count The number units of the source type size.
 */
#define CONVERT_SIZE( type_from, type_to, count )   (( sizeof( type_from ) / sizeof( type_to )) * ( count ))
 
/** Registers the module service at the name server.
 *  @param[in] me The module service.
 *  @param[out] phonehash The created phone hash.
 */
#define REGISTER_ME( me, phonehash )    ipc_connect_to_me( PHONE_NS, ( me ), 0, 0, ( phonehash ))
 
/** Connect to the needed module function type definition.
 *  @param[in] need The needed module service.
 *  @returns The phone of the needed service.
 */
typedef int connect_module_t( services_t need );
 
/** Connects to the needed module.
 *  @param[in] need The needed module service.
 *  @returns The phone of the needed service.
 */
int connect_to_service( services_t need );
 
/** Creates bidirectional connection with the needed module service and registers the message receiver.
 *  @param[in] need The needed module service.
 *  @param[in] arg1 The first parameter.
 *  @param[in] arg2 The second parameter.
 *  @param[in] arg3 The third parameter.
 *  @param[in] client_receiver The message receiver.
 *  @returns The phone of the needed service.
 *  @returns Other error codes as defined for the ipc_connect_to_me() function.
 */
int bind_service( services_t need, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, async_client_conn_t client_receiver );
 
/** Answers the call.
 *  @param[in] callid The call identifier.
 *  @param[in] result The message processing result.
 *  @param[in] answer The message processing answer.
 *  @param[in] answer_count The number of answer parameters.
 */
void    answer_call( ipc_callid_t callid, int result, ipc_call_t * answer, int answer_count );
 
/** Refreshes answer structure and parameters count.
 *  Erases all attributes.
 *  @param[in,out] answer The message processing answer structure.
 *  @param[in,out] answer_count The number of answer parameters.
 */
void    refresh_answer( ipc_call_t * answer, int * answer_count );
 
/** Receives data from the other party.
 *  The received data buffer is allocated and returned.
 *  @param[out] data The data buffer to be filled.
 *  @param[out] length The buffer length.
 *  @returns EOK on success.
 *  @returns EBADMEM if the data or the length parameter is NULL.
 *  @returns EINVAL if the client does not send data.
 *  @returns ENOMEM if there is not enough memory left.
 *  @returns Other error codes as defined for the ipc_data_write_finalize() function.
 */
int data_receive( void ** data, size_t * length );
 
/** Replies the data to the other party.
 *  @param[in] data The data buffer to be sent.
 *  @param[in] data_length The buffer length.
 *  @returns EOK on success.
 *  @returns EINVAL if the client does not expect the data.
 *  @returns EOVERFLOW if the client does not expect all the data. Only partial data are transfered.
 *  @returns Other error codes as defined for the ipc_data_read_finalize() function.
 */
int data_reply( void * data, size_t data_length );
 
#endif
 
/** @}
 */
 

Subversion Repositories HelenOS

(root)/branches/network/uspace/srv/net/modules.h – Rev 4731 → 4756

Rev 4731		Rev 4756
1	/*	1	/*
2	* Copyright (c) 2009 Lukas Mejdrech	2	* Copyright (c) 2009 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	* Generic module functions.	34	* Generic module functions.
35	*/	35	*/
36		36
37	#ifndef __NET_MODULES_H__	37	#ifndef __NET_MODULES_H__
38	#define __NET_MODULES_H__	38	#define __NET_MODULES_H__
39		39
40	#include <async.h>	40	#include <async.h>
41		41
42	#include <ipc/ipc.h>	42	#include <ipc/ipc.h>
43	#include <ipc/services.h>	43	#include <ipc/services.h>
44		44
45	/** Converts the data length between different types.	45	/** Converts the data length between different types.
46	* @param type_from The source type. Input parameter.	46	* @param[in] type_from The source type.
47	* @param type_to The destination type. Input parameter.	47	* @param[in] type_to The destination type.
48	* @param count The number units of the source type size. Input parameter.	48	* @param[in] count The number units of the source type size.
49	*/	49	*/
50	#define CONVERT_SIZE( type_from, type_to, count ) (( sizeof( type_from ) / sizeof( type_to )) * ( count ))	50	#define CONVERT_SIZE( type_from, type_to, count ) (( sizeof( type_from ) / sizeof( type_to )) * ( count ))
51		51
52	/** Registers the module service at the name server.	52	/** Registers the module service at the name server.
53	* @param me The module service. Input parameter.	53	* @param[in] me The module service.
54	* @param phonehash The created phone hash. Output parameter.	54	* @param[out] phonehash The created phone hash.
55	*/	55	*/
56	#define REGISTER_ME( me, phonehash ) ipc_connect_to_me( PHONE_NS, ( me ), 0, 0, ( phonehash ))	56	#define REGISTER_ME( me, phonehash ) ipc_connect_to_me( PHONE_NS, ( me ), 0, 0, ( phonehash ))
57		57
58	/** Connect to the needed module function type definition.	58	/** Connect to the needed module function type definition.
59	* @param need The needed module service. Input parameter.	59	* @param[in] need The needed module service.
60	* @returns The phone of the needed service.	60	* @returns The phone of the needed service.
61	*/	61	*/
62	typedef int connect_module_t( services_t need );	62	typedef int connect_module_t( services_t need );
63		63
64	/** Connects to the needed module.	64	/** Connects to the needed module.
65	* @param need The needed module service. Input parameter.	65	* @param[in] need The needed module service.
66	* @returns The phone of the needed service.	66	* @returns The phone of the needed service.
67	*/	67	*/
68	int connect_to_service( services_t need );	68	int connect_to_service( services_t need );
69		69
70	/** Creates bidirectional connection with the needed module service and registers the message receiver.	70	/** Creates bidirectional connection with the needed module service and registers the message receiver.
71	* @param need The needed module service. Input parameter.	71	* @param[in] need The needed module service.
72	* @param arg1 The first parameter. Input parameter.	72	* @param[in] arg1 The first parameter.
73	* @param arg2 The second parameter. Input parameter.	73	* @param[in] arg2 The second parameter.
74	* @param arg3 The third parameter. Input parameter.	74	* @param[in] arg3 The third parameter.
75	* @param client_receiver The message receiver. Input parameter.	75	* @param[in] client_receiver The message receiver.
76	* @returns The phone of the needed service.	76	* @returns The phone of the needed service.
77	* @returns Other error codes as defined for the ipc_connect_to_me() function.	77	* @returns Other error codes as defined for the ipc_connect_to_me() function.
78	*/	78	*/
79	int bind_service( services_t need, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, async_client_conn_t client_receiver );	79	int bind_service( services_t need, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, async_client_conn_t client_receiver );
80		80
81	/** Answers the call.	81	/** Answers the call.
82	* @param callid The call identifier. Input parameter.	82	* @param[in] callid The call identifier.
83	* @param result The message processing result. Input parameter.	83	* @param[in] result The message processing result.
84	* @param answer The message processing answer. Input parameter.	84	* @param[in] answer The message processing answer.
85	* @param answer_count The number of answer parameters. Input parameter.	85	* @param[in] answer_count The number of answer parameters.
86	*/	86	*/
87	void answer_call( ipc_callid_t callid, int result, ipc_call_t * answer, int answer_count );	87	void answer_call( ipc_callid_t callid, int result, ipc_call_t * answer, int answer_count );
88		88
89	/** Refreshes answer structure and parameters count.	89	/** Refreshes answer structure and parameters count.
90	* Erases all attributes.	90	* Erases all attributes.
91	* @param answer The message processing answer structure. Input/output parameter.	91	* @param[in,out] answer The message processing answer structure.
92	* @param answer_count The number of answer parameters. Input/output parameter.	92	* @param[in,out] answer_count The number of answer parameters.
93	*/	93	*/
94	void refresh_answer( ipc_call_t * answer, int * answer_count );	94	void refresh_answer( ipc_call_t * answer, int * answer_count );
95		95
96	/** Receives data from the other party.	96	/** Receives data from the other party.
97	* The received data buffer is allocated and returned.	97	* The received data buffer is allocated and returned.
98	* @param data The data buffer to be filled. Output parameter.	98	* @param[out] data The data buffer to be filled.
99	* @param length The buffer length. Output parameter.	99	* @param[out] length The buffer length.
100	* @returns EOK on success.	100	* @returns EOK on success.
101	* @returns EBADMEM if the data or the length parameter is NULL.	101	* @returns EBADMEM if the data or the length parameter is NULL.
102	* @returns EINVAL if the client does not send data.	102	* @returns EINVAL if the client does not send data.
103	* @returns ENOMEM if there is not enough memory left.	103	* @returns ENOMEM if there is not enough memory left.
104	* @returns Other error codes as defined for the ipc_data_write_finalize() function.	104	* @returns Other error codes as defined for the ipc_data_write_finalize() function.
105	*/	105	*/
106	int data_receive( void ** data, size_t * length );	106	int data_receive( void ** data, size_t * length );
107		107
108	/** Replies the data to the other party.	108	/** Replies the data to the other party.
109	* @param data The data buffer to be sent. Input parameter.	109	* @param[in] data The data buffer to be sent.
110	* @param data_length The buffer length. Input parameter.	110	* @param[in] data_length The buffer length.
111	* @returns EOK on success.	111	* @returns EOK on success.
112	* @returns EINVAL if the client does not expect the data.	112	* @returns EINVAL if the client does not expect the data.
113	* @returns EOVERFLOW if the client does not expect all the data. Only partial data are transfered.	113	* @returns EOVERFLOW if the client does not expect all the data. Only partial data are transfered.
114	* @returns Other error codes as defined for the ipc_data_read_finalize() function.	114	* @returns Other error codes as defined for the ipc_data_read_finalize() function.
115	*/	115	*/
116	int data_reply( void * data, size_t data_length );	116	int data_reply( void * data, size_t data_length );
117		117
118	#endif	118	#endif
119		119
120	/** @}	120	/** @}
121	*/	121	*/
122		122