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1 | office | 1 | /** |
2 | * @file dhcpclient_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 <stddef.h> |
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31 | |||
32 | #include <misc/debug.h> |
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33 | #include <base/DebugObject.h> |
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34 | #include <base/BLog.h> |
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35 | #include <system/BReactor.h> |
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36 | #include <system/BSignal.h> |
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37 | #include <system/BTime.h> |
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38 | #include <system/BNetwork.h> |
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39 | #include <dhcpclient/BDHCPClient.h> |
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40 | |||
41 | BReactor reactor; |
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42 | BRandom2 random2; |
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43 | BDHCPClient dhcp; |
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44 | |||
45 | static void signal_handler (void *user); |
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46 | static void dhcp_handler (void *unused, int event); |
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47 | |||
48 | int main (int argc, char **argv) |
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49 | { |
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50 | if (argc <= 0) { |
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51 | return 1; |
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52 | } |
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53 | |||
54 | if (argc != 2) { |
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55 | printf("Usage: %s <interface>\n", argv[0]); |
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56 | goto fail0; |
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57 | } |
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58 | |||
59 | char *ifname = argv[1]; |
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60 | |||
61 | BTime_Init(); |
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62 | |||
63 | BLog_InitStdout(); |
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64 | |||
65 | if (!BNetwork_GlobalInit()) { |
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66 | DEBUG("BNetwork_GlobalInit failed"); |
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67 | goto fail1; |
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68 | } |
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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 | if (!BRandom2_Init(&random2, 0)) { |
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76 | DEBUG("BRandom2_Init failed"); |
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77 | goto fail1a; |
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78 | } |
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79 | |||
80 | if (!BSignal_Init(&reactor, signal_handler, NULL)) { |
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81 | DEBUG("BSignal_Init failed"); |
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82 | goto fail2; |
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83 | } |
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84 | |||
85 | struct BDHCPClient_opts opts = {}; |
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86 | |||
87 | if (!BDHCPClient_Init(&dhcp, ifname, opts, &reactor, &random2, dhcp_handler, NULL)) { |
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88 | DEBUG("BDHCPClient_Init failed"); |
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89 | goto fail3; |
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90 | } |
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91 | |||
92 | BReactor_Exec(&reactor); |
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93 | |||
94 | BDHCPClient_Free(&dhcp); |
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95 | fail3: |
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96 | BSignal_Finish(); |
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97 | fail2: |
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98 | BRandom2_Free(&random2); |
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99 | fail1a: |
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100 | BReactor_Free(&reactor); |
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101 | fail1: |
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102 | BLog_Free(); |
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103 | fail0: |
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104 | DebugObjectGlobal_Finish(); |
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105 | |||
106 | return 1; |
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107 | } |
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108 | |||
109 | void signal_handler (void *user) |
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110 | { |
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111 | DEBUG("termination requested"); |
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112 | |||
113 | BReactor_Quit(&reactor, 0); |
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114 | } |
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115 | |||
116 | void dhcp_handler (void *unused, int event) |
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117 | { |
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118 | switch (event) { |
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119 | case BDHCPCLIENT_EVENT_UP: { |
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120 | printf("DHCP: up"); |
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121 | |||
122 | uint32_t ip; |
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123 | uint8_t *ipb = (void *)&ip; |
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124 | |||
125 | BDHCPClient_GetClientIP(&dhcp, &ip); |
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126 | printf(" IP=%"PRIu8".%"PRIu8".%"PRIu8".%"PRIu8, ipb[0], ipb[1], ipb[2], ipb[3]); |
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127 | |||
128 | BDHCPClient_GetClientMask(&dhcp, &ip); |
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129 | printf(" Mask=%"PRIu8".%"PRIu8".%"PRIu8".%"PRIu8, ipb[0], ipb[1], ipb[2], ipb[3]); |
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130 | |||
131 | if (BDHCPClient_GetRouter(&dhcp, &ip)) { |
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132 | printf(" Router=%"PRIu8".%"PRIu8".%"PRIu8".%"PRIu8, ipb[0], ipb[1], ipb[2], ipb[3]); |
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133 | } |
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134 | |||
135 | uint32_t dns[BDHCPCLIENT_MAX_DOMAIN_NAME_SERVERS]; |
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136 | int num = BDHCPClient_GetDNS(&dhcp, dns, BDHCPCLIENT_MAX_DOMAIN_NAME_SERVERS); |
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137 | for (int i = 0; i < num; i++) { |
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138 | ip=dns[i]; |
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139 | printf(" DNS=%"PRIu8".%"PRIu8".%"PRIu8".%"PRIu8, ipb[0], ipb[1], ipb[2], ipb[3]); |
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140 | } |
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141 | |||
142 | printf("\n"); |
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143 | } break; |
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144 | |||
145 | case BDHCPCLIENT_EVENT_DOWN: { |
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146 | printf("DHCP: down\n"); |
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147 | } break; |
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148 | |||
149 | case BDHCPCLIENT_EVENT_ERROR: { |
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150 | printf("DHCP: error\n"); |
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151 | |||
152 | // exit reactor |
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153 | BReactor_Quit(&reactor, 0); |
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154 | } break; |
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155 | |||
156 | default: |
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157 | ASSERT(0); |
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158 | } |
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159 | } |