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2547 | cejka | 1 | /* |
2 | * Copyright (c) 2007 Josef Cejka |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** |
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30 | * @defgroup devmap Device mapper. |
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31 | * @brief HelenOS device mapper. |
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32 | * @{ |
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33 | */ |
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34 | |||
35 | /** @file |
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36 | */ |
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37 | |||
38 | #include <ipc/services.h> |
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39 | #include <ipc/ns.h> |
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40 | #include <async.h> |
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41 | #include <stdio.h> |
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42 | #include <errno.h> |
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43 | |||
44 | #include "devmap.h" |
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45 | |||
46 | /** Initialize device mapper. |
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47 | * |
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48 | * |
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49 | */ |
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50 | static int devmap_init() |
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51 | { |
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52 | /* */ |
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53 | |||
54 | return 0; |
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55 | } |
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56 | |||
57 | |||
58 | /** Function for handling connections to devmap |
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59 | * |
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60 | */ |
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61 | static void |
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62 | devmap_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
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63 | { |
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64 | ipc_callid_t callid; |
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65 | ipc_call_t call; |
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66 | int retval; |
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67 | |||
68 | ipc_answer_fast(iid, EOK, 0, 0); /* Accept connection */ |
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69 | |||
70 | while (1) { |
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71 | callid = async_get_call(&call); |
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72 | |||
73 | switch (IPC_GET_METHOD(call)) { |
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74 | case IPC_M_PHONE_HUNGUP: |
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75 | /* TODO: if its a device connection, remove it from table */ |
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76 | return; /* Exit thread */ |
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77 | |||
78 | case DEVMAP_REGISTER: |
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79 | /* TODO: */ |
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80 | case DEVMAP_UNREGISTER: |
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81 | /* TODO: */ |
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82 | case DEVMAP_CONNECT_TO_DEVICE: |
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83 | /* TODO: */ |
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84 | retval = 0; |
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85 | break; |
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86 | default: |
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87 | retval = ENOENT; |
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88 | } |
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89 | ipc_answer_fast(callid, retval, 0, 0); |
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90 | } |
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91 | |||
92 | } |
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93 | |||
94 | |||
95 | int main(int argc, char *argv[]) |
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96 | { |
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97 | |||
98 | ipcarg_t phonead; |
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99 | |||
100 | printf("DevMap: HelenOS device mapper.\n"); |
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101 | |||
102 | if (devmap_init() != 0) { |
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103 | printf("Error while initializing DevMap service."); |
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104 | return -1; |
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105 | } |
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106 | |||
107 | /* Set a handler of incomming connections */ |
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108 | async_set_client_connection(devmap_client_connection); |
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109 | |||
110 | /* Register device mapper at naming service */ |
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111 | if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAP, 0, &phonead) != 0) |
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112 | return -1; |
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113 | |||
114 | async_manager(); |
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115 | /* Never reached */ |
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116 | return 0; |
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117 | } |
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118 | |||
119 | /** |
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120 | * @} |
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121 | */ |
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122 |