X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=ui%2Fcommon%2Fdiscover-client.h;h=68be8a52c3be81e5d8adf4a2177eb50d7602cb16;hp=50bea6cbe085db39026eb3cbad9142d8093c12a6;hb=66bf929fa97fabb70198455f9eec2e9ccf0661fa;hpb=5b71bc5697e403b586ec313148e652406b5426b6 diff --git a/ui/common/discover-client.h b/ui/common/discover-client.h index 50bea6c..68be8a5 100644 --- a/ui/common/discover-client.h +++ b/ui/common/discover-client.h @@ -1,28 +1,82 @@ #ifndef _DISCOVER_CLIENT_H #define _DISCOVER_CLIENT_H -#include +#include +#include struct discover_client; -struct discover_client_ops { - int (*add_device)(struct device *); - void (*remove_device)(char *); +struct pb_boot_data { + char *image; + char *initrd; + char *dtb; + char *args; }; -struct discover_client *discover_client_init(struct discover_client_ops *ops); +/** + * struct discover_client_ops - Application supplied client info. + * @device_add: PB_PROTOCOL_ACTION_ADD event callback. + * @device_remove: PB_PROTOCOL_ACTION_REMOVE event callback. + * @cb_arg: Client managed convenience variable passed to callbacks. + * + * The discover client holds talloc references to the devices (and the + * devices' boot options), so callbacks may store boot options and devices + * as long as the client remains allocated. + * + * The boot_status and system_info structs are allocated by the client, + * and will be free()ed after the callback is invoked. If the callback + * stores these structures for usage beyond the duration of the callback, + * it must talloc_steal() them. + */ + +struct discover_client_ops { + int (*device_add)(struct device *device, void *arg); + int (*boot_option_add)(struct device *dev, struct boot_option *option, + void *arg); + void (*device_remove)(struct device *device, void *arg); + void (*update_status)(struct boot_status *status, void *arg); + void (*update_sysinfo)(struct system_info *sysinfo, void *arg); + void (*update_config)(struct config *sysinfo, void *arg); + void *cb_arg; +}; -int discover_client_get_fd(struct discover_client *client); +struct discover_client *discover_client_init(struct waitset *waitset, + const struct discover_client_ops *ops, void *cb_arg); void discover_client_destroy(struct discover_client *client); /** - * Process data from the server. + * Get the number of devices that the discover client has stored. This + * is the set of devices that have been added and not removed * - * Will read from the client socket, and call add_device on any discovered - * devices. - * + * @param client The discover client + * @return The number of devices that have been added. + */ +int discover_client_device_count(struct discover_client *client); + +/** + * Get the device at a specific index. + * @param client A pointer to the discover client + * @param index The index of the device to retrieve + * @return The device at the specified index, or NULL if none exists + */ +struct device *discover_client_get_device(struct discover_client *client, + int index); + +/* Tell the discover server to boot an image + * @param client A pointer to the discover client + * @param boot_command The command to boot + */ +int discover_client_boot(struct discover_client *client, + const struct device *device, + const struct boot_option *boot_option, + const struct pb_boot_data *data); + +/* Tell the discover server to cancel the default boot option, if any */ -int discover_client_process(struct discover_client *client); +int discover_client_cancel_default(struct discover_client *client); +/* Send new configuration data to the discover server */ +int discover_client_send_config(struct discover_client *client, + struct config *config); #endif