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1 | office | 1 | /** |
2 | * @file ncdudevmanager_test.c |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. 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 | * 2. 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 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | #include <stdio.h> |
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33 | |||
34 | #include <misc/debug.h> |
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35 | #include <system/BTime.h> |
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36 | #include <base/BLog.h> |
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37 | #include <system/BReactor.h> |
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38 | #include <system/BUnixSignal.h> |
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39 | #include <system/BProcess.h> |
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40 | #include <system/BNetwork.h> |
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41 | #include <udevmonitor/NCDUdevManager.h> |
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42 | |||
43 | BReactor reactor; |
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44 | BUnixSignal usignal; |
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45 | BProcessManager manager; |
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46 | NCDUdevManager umanager; |
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47 | NCDUdevClient client; |
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48 | |||
49 | static void signal_handler (void *user, int signo); |
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50 | static void client_handler (void *unused, char *devpath, int have_map, BStringMap map); |
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51 | |||
52 | int main (int argc, char **argv) |
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53 | { |
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54 | if (!(argc == 1 || (argc == 2 && !strcmp(argv[1], "--no-udev")))) { |
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55 | fprintf(stderr, "Usage: %s [--no-udev]\n", (argc > 0 ? argv[0] : NULL)); |
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56 | goto fail0; |
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57 | } |
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58 | |||
59 | int no_udev = (argc == 2); |
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60 | |||
61 | if (!BNetwork_GlobalInit()) { |
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62 | DEBUG("BNetwork_GlobalInit failed"); |
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63 | goto fail0; |
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64 | } |
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65 | |||
66 | BTime_Init(); |
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67 | |||
68 | BLog_InitStdout(); |
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69 | |||
70 | if (!BReactor_Init(&reactor)) { |
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71 | DEBUG("BReactor_Init failed"); |
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72 | goto fail1; |
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73 | } |
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74 | |||
75 | sigset_t set; |
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76 | sigemptyset(&set); |
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77 | sigaddset(&set, SIGINT); |
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78 | sigaddset(&set, SIGTERM); |
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79 | sigaddset(&set, SIGHUP); |
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80 | if (!BUnixSignal_Init(&usignal, &reactor, set, signal_handler, NULL)) { |
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81 | fprintf(stderr, "BUnixSignal_Init failed\n"); |
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82 | goto fail2; |
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83 | } |
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84 | |||
85 | if (!BProcessManager_Init(&manager, &reactor)) { |
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86 | DEBUG("BProcessManager_Init failed"); |
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87 | goto fail3; |
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88 | } |
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89 | |||
90 | NCDUdevManager_Init(&umanager, no_udev, &reactor, &manager); |
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91 | |||
92 | NCDUdevClient_Init(&client, &umanager, NULL, client_handler); |
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93 | |||
94 | BReactor_Exec(&reactor); |
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95 | |||
96 | NCDUdevClient_Free(&client); |
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97 | |||
98 | NCDUdevManager_Free(&umanager); |
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99 | |||
100 | BProcessManager_Free(&manager); |
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101 | fail3: |
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102 | BUnixSignal_Free(&usignal, 0); |
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103 | fail2: |
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104 | BReactor_Free(&reactor); |
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105 | fail1: |
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106 | BLog_Free(); |
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107 | fail0: |
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108 | DebugObjectGlobal_Finish(); |
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109 | |||
110 | return 1; |
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111 | } |
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112 | |||
113 | static void signal_handler (void *user, int signo) |
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114 | { |
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115 | if (signo == SIGHUP) { |
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116 | fprintf(stderr, "received SIGHUP, restarting client\n"); |
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117 | |||
118 | NCDUdevClient_Free(&client); |
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119 | NCDUdevClient_Init(&client, &umanager, NULL, client_handler); |
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120 | } else { |
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121 | fprintf(stderr, "received %s, exiting\n", (signo == SIGINT ? "SIGINT" : "SIGTERM")); |
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122 | |||
123 | // exit event loop |
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124 | BReactor_Quit(&reactor, 1); |
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125 | } |
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126 | } |
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127 | |||
128 | void client_handler (void *unused, char *devpath, int have_map, BStringMap map) |
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129 | { |
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130 | printf("event %s\n", devpath); |
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131 | |||
132 | if (!have_map) { |
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133 | printf(" no map\n"); |
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134 | } else { |
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135 | printf(" map:\n"); |
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136 | |||
137 | const char *name = BStringMap_First(&map); |
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138 | while (name) { |
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139 | printf(" %s=%s\n", name, BStringMap_Get(&map, name)); |
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140 | name = BStringMap_Next(&map, name); |
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141 | } |
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142 | } |
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143 | |||
144 | const BStringMap *cache_map = NCDUdevManager_Query(&umanager, devpath); |
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145 | if (!cache_map) { |
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146 | printf(" no cache\n"); |
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147 | } else { |
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148 | printf(" cache:\n"); |
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149 | |||
150 | const char *name = BStringMap_First(cache_map); |
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151 | while (name) { |
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152 | printf(" %s=%s\n", name, BStringMap_Get(cache_map, name)); |
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153 | name = BStringMap_Next(cache_map, name); |
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154 | } |
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155 | } |
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156 | |||
157 | if (have_map) { |
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158 | BStringMap_Free(&map); |
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159 | } |
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160 | free(devpath); |
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161 | } |