config: Add lang member to config
[petitboot] / discover / platform.c
1
2 #include <string.h>
3
4 #include <log/log.h>
5 #include <types/types.h>
6 #include <talloc/talloc.h>
7
8 #include "platform.h"
9
10 void                    *platform_ctx;
11 static struct platform  *platform;
12 static struct config    *config;
13
14 static const char *device_type_name(enum device_type type)
15 {
16         switch (type) {
17         case DEVICE_TYPE_DISK:
18                 return "disk";
19         case DEVICE_TYPE_OPTICAL:
20                 return "optical";
21         case DEVICE_TYPE_NETWORK:
22                 return "network";
23         case DEVICE_TYPE_ANY:
24                 return "any";
25         case DEVICE_TYPE_UNKNOWN:
26         default:
27                 return "unknown";
28         }
29 }
30
31 static void dump_config(struct config *config)
32 {
33         unsigned int i;
34
35         pb_log("configuration:\n");
36
37         if (config->autoboot_enabled)
38                 pb_log(" autoboot: enabled, %d sec\n",
39                                 config->autoboot_timeout_sec);
40         else
41                 pb_log(" autoboot: disabled\n");
42
43         if (config->network.n_interfaces || config->network.n_dns_servers)
44                 pb_log(" network configuration:\n");
45
46         if (config->safe_mode)
47                 pb_log(" safe mode: active\n");
48
49         for (i = 0; i < config->network.n_interfaces; i++) {
50                 struct interface_config *ifconf =
51                         config->network.interfaces[i];
52
53                 pb_log("  interface %02x:%02x:%02x:%02x:%02x:%02x\n",
54                                 ifconf->hwaddr[0], ifconf->hwaddr[1],
55                                 ifconf->hwaddr[2], ifconf->hwaddr[3],
56                                 ifconf->hwaddr[4], ifconf->hwaddr[5]);
57
58                 if (ifconf->ignore) {
59                         pb_log("   ignore\n");
60                         continue;
61                 }
62
63                 if (ifconf->method == CONFIG_METHOD_DHCP) {
64                         pb_log("   dhcp\n");
65
66                 } else if (ifconf->method == CONFIG_METHOD_STATIC) {
67                         pb_log("   static:\n");
68                         pb_log("    ip:  %s\n", ifconf->static_config.address);
69                         pb_log("    gw:  %s\n", ifconf->static_config.gateway);
70
71                 }
72         }
73         for (i = 0; i < config->network.n_dns_servers; i++)
74                 pb_log("  dns server %s\n", config->network.dns_servers[i]);
75
76         if (config->n_boot_priorities)
77                 pb_log(" boot priority order:\n");
78
79         for (i = 0; i < config->n_boot_priorities; i++) {
80                 struct boot_priority *prio = &config->boot_priorities[i];
81                 pb_log(" %10s: %d\n", device_type_name(prio->type),
82                                         prio->priority);
83         }
84
85         pb_log(" language: %s\n", config->lang ?: "");
86 }
87
88 void config_set_defaults(struct config *config)
89 {
90         config->autoboot_enabled = true;
91         config->autoboot_timeout_sec = 10;
92         config->autoboot_enabled = true;
93         config->network.interfaces = NULL;
94         config->network.n_interfaces = 0;
95         config->network.dns_servers = NULL;
96         config->network.n_dns_servers = 0;
97         config->boot_device = NULL;
98         config->lang = NULL;
99
100         config->n_boot_priorities = 2;
101         config->boot_priorities = talloc_array(config, struct boot_priority,
102                                                 config->n_boot_priorities);
103         config->boot_priorities[0].type = DEVICE_TYPE_NETWORK;
104         config->boot_priorities[0].priority = 2;
105         config->boot_priorities[1].type = DEVICE_TYPE_DISK;
106         config->boot_priorities[1].priority = 1;
107 }
108
109 int platform_init(void *ctx)
110 {
111         extern struct platform *__start_platforms,  *__stop_platforms;
112         struct platform **p;
113
114         platform_ctx = talloc_new(ctx);
115
116         for (p = &__start_platforms; p < &__stop_platforms; p++) {
117                 if (!(*p)->probe(*p, platform_ctx))
118                         continue;
119                 platform = *p;
120                 break;
121         }
122
123         config = talloc(platform_ctx, struct config);
124         config_set_defaults(config);
125
126         if (platform) {
127                 pb_log("Detected platform type: %s\n", platform->name);
128                 if (platform->load_config)
129                         platform->load_config(platform, config);
130         } else {
131                 pb_log("No platform type detected, some platform-specific "
132                                 "functionality will be disabled\n");
133         }
134
135         dump_config(config);
136
137         return 0;
138 }
139
140 const struct platform *platform_get(void)
141 {
142         return platform;
143 }
144
145 int config_set(struct config *newconfig)
146 {
147         int rc;
148
149         if (!platform || !platform->save_config)
150                 return -1;
151
152         if (newconfig == config)
153                 return 0;
154
155         pb_log("new configuration data received\n");
156         dump_config(newconfig);
157
158         rc = platform->save_config(platform, newconfig);
159
160         if (!rc)
161                 config = talloc_steal(platform_ctx, newconfig);
162         else
163                 pb_log("error saving new configuration; changes lost\n");
164
165         return rc;
166 }
167
168 /* A non-exported function to allow the test infrastructure to initialise
169  * (and change) the configuration variables */
170 struct parser_test;
171 struct config __attribute__((unused)) *test_config_init(
172                 struct parser_test *test);
173 struct config *test_config_init(struct parser_test *test)
174 {
175         config = talloc(test, struct config);
176         config_set_defaults(config);
177         return config;
178 }
179
180 const struct config *config_get(void)
181 {
182         return config;
183 }
184
185 void config_set_autoboot(bool autoboot_enabled)
186 {
187         config->autoboot_enabled = autoboot_enabled;
188
189         pb_log("set autoboot: %s\n",
190                         config->autoboot_enabled ? "enabled" : "disabled");
191 }
192
193 int platform_fini(void)
194 {
195         talloc_free(platform_ctx);
196         return 0;
197 }