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| 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 udp |
29 | /** @addtogroup udp |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | 32 | ||
| 33 | /** @file |
33 | /** @file |
| - | 34 | * UDP standalone module implementation. |
|
| - | 35 | * Contains skeleton module functions mapping. |
|
| - | 36 | * The functions are used by the module skeleton as module specific entry points. |
|
| - | 37 | * @see module.c |
|
| 34 | */ |
38 | */ |
| 35 | 39 | ||
| 36 | #include <async.h> |
40 | #include <async.h> |
| 37 | #include <stdio.h> |
41 | #include <stdio.h> |
| 38 | 42 | ||
| 39 | #include <ipc/ipc.h> |
43 | #include <ipc/ipc.h> |
| 40 | #include <ipc/services.h> |
44 | #include <ipc/services.h> |
| 41 | 45 | ||
| 42 | #include "../../err.h" |
46 | #include "../../err.h" |
| 43 | #include "../../modules.h" |
47 | #include "../../modules.h" |
| 44 | 48 | ||
| 45 | #include "../../structures/packet/packet.h" |
49 | #include "../../structures/packet/packet.h" |
| 46 | 50 | ||
| 47 | #include "../../include/net_interface.h" |
51 | #include "../../include/net_interface.h" |
| 48 | 52 | ||
| 49 | #include "udp.h" |
53 | #include "udp.h" |
| 50 | #include "udp_module.h" |
54 | #include "udp_module.h" |
| 51 | 55 | ||
| - | 56 | /** UDP module name. |
|
| - | 57 | */ |
|
| 52 | #define NAME "UDP protocol" |
58 | #define NAME "UDP protocol" |
| 53 | 59 | ||
| - | 60 | /** Prints the module name. |
|
| - | 61 | * @see NAME |
|
| - | 62 | */ |
|
| 54 | void module_print_name( void ); |
63 | void module_print_name( void ); |
| - | 64 | ||
| - | 65 | /** Starts the UDP module. |
|
| - | 66 | * Initializes the client connection serving function, initializes the module, registers the module service and starts the async manager, processing IPC messages in an infinite loop. |
|
| - | 67 | * @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter. |
|
| - | 68 | * @returns EOK on successful module termination. |
|
| - | 69 | * @returns Other error codes as defined for the arp_initialize() function. |
|
| - | 70 | * @returns Other error codes as defined for the REGISTER_ME() macro function. |
|
| - | 71 | */ |
|
| 55 | int module_start( async_client_conn_t client_connection ); |
72 | int module_start( async_client_conn_t client_connection ); |
| - | 73 | ||
| - | 74 | /** Processes the UDP message. |
|
| - | 75 | * @param callid The message identifier. Input parameter. |
|
| - | 76 | * @param call The message parameters. Input parameter. |
|
| - | 77 | * @param answer The message answer parameters. Output parameter. |
|
| - | 78 | * @param answer_count The last parameter for the actual answer in the answer parameter. Output parameter. |
|
| - | 79 | * @returns EOK on success. |
|
| - | 80 | * @returns Other error codes as defined for the udp_message() function. |
|
| - | 81 | */ |
|
| 56 | int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ); |
82 | int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ); |
| 57 | 83 | ||
| - | 84 | /** UDP module global data. |
|
| - | 85 | */ |
|
| 58 | extern udp_globals_t udp_globals; |
86 | extern udp_globals_t udp_globals; |
| 59 | 87 | ||
| 60 | void module_print_name( void ){ |
88 | void module_print_name( void ){ |
| 61 | printf( "%s", NAME ); |
89 | printf( "%s", NAME ); |
| 62 | } |
90 | } |
| 63 | 91 | ||
| 64 | int module_start( async_client_conn_t client_connection ){ |
92 | int module_start( async_client_conn_t client_connection ){ |
| 65 | ERROR_DECLARE; |
93 | ERROR_DECLARE; |
| 66 | 94 | ||
| 67 | ipcarg_t phonehash; |
95 | ipcarg_t phonehash; |
| 68 | 96 | ||
| 69 | async_set_client_connection( client_connection ); |
97 | async_set_client_connection( client_connection ); |
| 70 | udp_globals.net_phone = net_connect_module( SERVICE_NETWORKING ); |
98 | udp_globals.net_phone = net_connect_module( SERVICE_NETWORKING ); |
| 71 | if( udp_globals.net_phone < 0 ){ |
99 | if( udp_globals.net_phone < 0 ){ |
| 72 | return udp_globals.net_phone; |
100 | return udp_globals.net_phone; |
| 73 | } |
101 | } |
| 74 | ERROR_PROPAGATE( pm_init()); |
102 | ERROR_PROPAGATE( pm_init()); |
| 75 | if( ERROR_OCCURRED( udp_initialize( client_connection )) |
103 | if( ERROR_OCCURRED( udp_initialize( client_connection )) |
| 76 | || ERROR_OCCURRED( REGISTER_ME( SERVICE_UDP, & phonehash ))){ |
104 | || ERROR_OCCURRED( REGISTER_ME( SERVICE_UDP, & phonehash ))){ |
| 77 | pm_destroy(); |
105 | pm_destroy(); |
| 78 | return ERROR_CODE; |
106 | return ERROR_CODE; |
| 79 | } |
107 | } |
| 80 | 108 | ||
| 81 | async_manager(); |
109 | async_manager(); |
| 82 | 110 | ||
| 83 | pm_destroy(); |
111 | pm_destroy(); |
| 84 | return EOK; |
112 | return EOK; |
| 85 | } |
113 | } |
| 86 | 114 | ||
| 87 | int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
115 | int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
| 88 | return udp_message( callid, call, answer, answer_count ); |
116 | return udp_message( callid, call, answer, answer_count ); |
| 89 | } |
117 | } |
| 90 | 118 | ||
| 91 | /** @} |
119 | /** @} |
| 92 | */ |
120 | */ |
| 93 | 121 | ||