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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 skeleton implementation. |
34 | * Generic module skeleton implementation. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <async.h> |
37 | #include <async.h> |
38 | #include <stdio.h> |
38 | #include <stdio.h> |
39 | #include <task.h> |
39 | #include <task.h> |
40 | 40 | ||
41 | #include <ipc/ipc.h> |
41 | #include <ipc/ipc.h> |
42 | 42 | ||
43 | #include "err.h" |
43 | #include "err.h" |
44 | 44 | ||
45 | /** External message processing function. |
45 | /** External message processing function. |
46 | * Should process the messages. |
46 | * Should process the messages. |
47 | * The function has to be defined in each module. |
47 | * The function has to be defined in each module. |
48 | * @param callid The message identifier. Input parameter. |
48 | * @param callid The message identifier. Input parameter. |
49 | * @param call The message parameters. Input parameter. |
49 | * @param call The message parameters. Input parameter. |
50 | * @param answer The message answer parameters. Output parameter. |
50 | * @param answer The message answer parameters. Output parameter. |
51 | * @param answer_count The last parameter for the actual answer in the answer parameter. Output parameter. |
51 | * @param answer_count The last parameter for the actual answer in the answer parameter. Output parameter. |
52 | * @returns EOK on success. |
52 | * @returns EOK on success. |
53 | * @returns ENOTSUP if the message is not known. |
53 | * @returns ENOTSUP if the message is not known. |
54 | * @returns Other error codes as defined for each specific module message function. |
54 | * @returns Other error codes as defined for each specific module message function. |
55 | */ |
55 | */ |
56 | extern int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ); |
56 | extern int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ); |
57 | 57 | ||
58 | /** External function to print the module name. |
58 | /** External function to print the module name. |
59 | * Should print the module name. |
59 | * Should print the module name. |
60 | * The function has to be defined in each module. |
60 | * The function has to be defined in each module. |
61 | */ |
61 | */ |
62 | extern void module_print_name( void ); |
62 | extern void module_print_name( void ); |
63 | 63 | ||
64 | /** External module startup function. |
64 | /** External module startup function. |
65 | * Should start and initialize the module and register the given client connection function. |
65 | * Should start and initialize the module and register the given client connection function. |
66 | * The function has to be defined in each module. |
66 | * The function has to be defined in each module. |
67 | * @param client_connection The client connection functio to be registered. Input parameter. |
67 | * @param client_connection The client connection functio to be registered. Input parameter. |
68 | */ |
68 | */ |
69 | extern int module_start( async_client_conn_t client_connection ); |
69 | extern int module_start( async_client_conn_t client_connection ); |
70 | 70 | ||
71 | /** Default thread for new connections. |
71 | /** Default thread for new connections. |
72 | * @param iid The initial message identifier. Input parameter. |
72 | * @param iid The initial message identifier. Input parameter. |
73 | * @param icall The initial message call structure. Input parameter. |
73 | * @param icall The initial message call structure. Input parameter. |
74 | */ |
74 | */ |
75 | void client_connection( ipc_callid_t iid, ipc_call_t * icall ); |
75 | void client_connection( ipc_callid_t iid, ipc_call_t * icall ); |
76 | 76 | ||
77 | /** Starts the module. |
77 | /** Starts the module. |
78 | * @param argc The count of the command line arguments. Ignored parameter. |
78 | * @param argc The count of the command line arguments. Ignored parameter. |
79 | * @param argv The command line parameters. Ignored parameter. |
79 | * @param argv The command line parameters. Ignored parameter. |
80 | * @returns EOK on success. |
80 | * @returns EOK on success. |
81 | * @returns Other error codes as defined for each specific module start function. |
81 | * @returns Other error codes as defined for each specific module start function. |
82 | */ |
82 | */ |
83 | int main( int argc, char * argv[] ); |
83 | int main( int argc, char * argv[] ); |
84 | 84 | ||
85 | void client_connection( ipc_callid_t iid, ipc_call_t * icall ){ |
85 | void client_connection( ipc_callid_t iid, ipc_call_t * icall ){ |
86 | ipc_callid_t callid; |
86 | ipc_callid_t callid; |
87 | ipc_call_t call; |
87 | ipc_call_t call; |
88 | ipc_call_t answer; |
88 | ipc_call_t answer; |
89 | int count; |
89 | int count; |
90 | int res; |
90 | int res; |
91 | 91 | ||
92 | /* |
92 | /* |
93 | * Accept the connection |
93 | * Accept the connection |
94 | * - Answer the first IPC_M_CONNECT_ME_TO call. |
94 | * - Answer the first IPC_M_CONNECT_ME_TO call. |
95 | */ |
95 | */ |
96 | ipc_answer_0( iid, EOK ); |
96 | ipc_answer_0( iid, EOK ); |
97 | 97 | ||
98 | while( true ){ |
98 | while( true ){ |
99 | // refresh data |
99 | // refresh data |
100 | count = 0; |
100 | count = 0; |
101 | IPC_SET_RETVAL( answer, 0 ); |
101 | IPC_SET_RETVAL( answer, 0 ); |
102 | // just to be precize |
102 | // just to be precize |
103 | IPC_SET_RETVAL( answer, 0 ); |
103 | IPC_SET_METHOD( answer, 0 ); |
104 | IPC_SET_ARG1( answer, 0 ); |
104 | IPC_SET_ARG1( answer, 0 ); |
105 | IPC_SET_ARG2( answer, 0 ); |
105 | IPC_SET_ARG2( answer, 0 ); |
106 | IPC_SET_ARG3( answer, 0 ); |
106 | IPC_SET_ARG3( answer, 0 ); |
107 | IPC_SET_ARG4( answer, 0 ); |
107 | IPC_SET_ARG4( answer, 0 ); |
108 | IPC_SET_ARG5( answer, 0 ); |
108 | IPC_SET_ARG5( answer, 0 ); |
109 | 109 | ||
110 | callid = async_get_call( & call ); |
110 | callid = async_get_call( & call ); |
111 | res = module_message( callid, & call, & answer, & count ); |
111 | res = module_message( callid, & call, & answer, & count ); |
112 | 112 | ||
113 | switch( count ){ |
113 | switch( count ){ |
114 | case 0: ipc_answer_0( callid, res ); |
114 | case 0: ipc_answer_0( callid, res ); |
115 | continue; |
115 | continue; |
116 | case 1: ipc_answer_1( callid, res, IPC_GET_ARG1( answer )); |
116 | case 1: ipc_answer_1( callid, res, IPC_GET_ARG1( answer )); |
117 | continue; |
117 | continue; |
118 | case 2: ipc_answer_2( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer )); |
118 | case 2: ipc_answer_2( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer )); |
119 | continue; |
119 | continue; |
120 | case 3: ipc_answer_3( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer ), IPC_GET_ARG3( answer )); |
120 | case 3: ipc_answer_3( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer ), IPC_GET_ARG3( answer )); |
121 | continue; |
121 | continue; |
122 | case 4: ipc_answer_4( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer ), IPC_GET_ARG3( answer ), IPC_GET_ARG4( answer )); |
122 | case 4: ipc_answer_4( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer ), IPC_GET_ARG3( answer ), IPC_GET_ARG4( answer )); |
123 | continue; |
123 | continue; |
124 | default: ipc_answer_5( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer ), IPC_GET_ARG3( answer ), IPC_GET_ARG4( answer ), IPC_GET_ARG5( answer )); |
124 | default: ipc_answer_5( callid, res, IPC_GET_ARG1( answer ), IPC_GET_ARG2( answer ), IPC_GET_ARG3( answer ), IPC_GET_ARG4( answer ), IPC_GET_ARG5( answer )); |
125 | continue; |
125 | continue; |
126 | } |
126 | } |
127 | } |
127 | } |
128 | } |
128 | } |
129 | 129 | ||
130 | int main( int argc, char * argv[] ){ |
130 | int main( int argc, char * argv[] ){ |
131 | ERROR_DECLARE; |
131 | ERROR_DECLARE; |
132 | 132 | ||
133 | printf("Task %d - ", task_get_id()); |
133 | printf("Task %d - ", task_get_id()); |
134 | module_print_name(); |
134 | module_print_name(); |
135 | printf( "\n" ); |
135 | printf( "\n" ); |
136 | if( ERROR_OCCURRED( module_start( client_connection ))){ |
136 | if( ERROR_OCCURRED( module_start( client_connection ))){ |
137 | printf( " - ERROR %i\n", ERROR_CODE ); |
137 | printf( " - ERROR %i\n", ERROR_CODE ); |
138 | return ERROR_CODE; |
138 | return ERROR_CODE; |
139 | } |
139 | } |
140 | return EOK; |
140 | return EOK; |
141 | } |
141 | } |
142 | 142 | ||
143 | /** @} |
143 | /** @} |
144 | */ |
144 | */ |
145 | 145 |