X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fdiscover-server.c;h=68065895f4dc52b85ccb04633f87e7201398c950;hp=c35d27dddde4a64cfa8040eacc58481253e82417;hb=f155a58a64c660e46e74123293482561b816a39a;hpb=94af239b00f547fb5daef88b16fecdfb0146691b diff --git a/discover/discover-server.c b/discover/discover-server.c index c35d27d..6806589 100644 --- a/discover/discover-server.c +++ b/discover/discover-server.c @@ -10,26 +10,33 @@ #include #include +#include #include +#include +#include -#include "ui/common/device.h" #include "pb-protocol/pb-protocol.h" #include "list/list.h" -#include "log.h" -#include "waiter.h" #include "device-handler.h" +#include "discover-server.h" +#include "platform.h" +#include "sysinfo.h" struct discover_server { int socket; + struct waitset *waitset; struct waiter *waiter; struct list clients; struct device_handler *device_handler; }; struct client { + struct discover_server *server; struct list_item list; + struct waiter *waiter; int fd; + bool remote_closed; }; @@ -53,6 +60,9 @@ static int client_destructor(void *arg) if (client->fd >= 0) close(client->fd); + if (client->waiter) + waiter_remove(client->waiter); + list_remove(&client->list); return 0; @@ -66,30 +76,34 @@ static void print_clients(struct discover_server *server) { struct client *client; - printf("current clients [%p,%p,%p]:\n", + pb_debug("current clients [%p,%p,%p]:\n", &server->clients.head, server->clients.head.prev, server->clients.head.next); list_for_each_entry(&server->clients, client, list) - printf("\t[%p,%p,%p] client: %d\n", &client->list, + pb_debug("\t[%p,%p,%p] client: %d\n", &client->list, client->list.prev, client->list.next, client->fd); } -static int client_write_message(struct discover_server *server, +static int client_write_message( + struct discover_server *server __attribute__((unused)), struct client *client, struct pb_protocol_message *message) { int rc; + if (client->remote_closed) + return -1; + rc = pb_protocol_write_message(client->fd, message); if (rc) - talloc_free(client); + client->remote_closed = true; return rc; } -static int write_add_message(struct discover_server *server, - struct client *client, struct device *dev) +static int write_device_add_message(struct discover_server *server, + struct client *client, const struct device *dev) { struct pb_protocol_message *message; int len; @@ -97,7 +111,7 @@ static int write_add_message(struct discover_server *server, len = pb_protocol_device_len(dev); message = pb_protocol_create_message(client, - PB_PROTOCOL_ACTION_ADD, len); + PB_PROTOCOL_ACTION_DEVICE_ADD, len); if (!message) return -1; @@ -106,7 +120,25 @@ static int write_add_message(struct discover_server *server, return client_write_message(server, client, message); } -static int write_remove_message(struct discover_server *server, +static int write_boot_option_add_message(struct discover_server *server, + struct client *client, const struct boot_option *opt) +{ + struct pb_protocol_message *message; + int len; + + len = pb_protocol_boot_option_len(opt); + + message = pb_protocol_create_message(client, + PB_PROTOCOL_ACTION_BOOT_OPTION_ADD, len); + if (!message) + return -1; + + pb_protocol_serialise_boot_option(opt, message->payload, len); + + return client_write_message(server, client, message); +} + +static int write_device_remove_message(struct discover_server *server, struct client *client, char *dev_id) { struct pb_protocol_message *message; @@ -115,7 +147,7 @@ static int write_remove_message(struct discover_server *server, len = strlen(dev_id) + sizeof(uint32_t); message = pb_protocol_create_message(client, - PB_PROTOCOL_ACTION_REMOVE, len); + PB_PROTOCOL_ACTION_DEVICE_REMOVE, len); if (!message) return -1; @@ -124,44 +156,249 @@ static int write_remove_message(struct discover_server *server, return client_write_message(server, client, message); } -static int discover_server_process(void *arg) +static int write_boot_status_message(struct discover_server *server, + struct client *client, const struct boot_status *status) +{ + struct pb_protocol_message *message; + int len; + + len = pb_protocol_boot_status_len(status); + + message = pb_protocol_create_message(client, + PB_PROTOCOL_ACTION_STATUS, len); + if (!message) + return -1; + + pb_protocol_serialise_boot_status(status, message->payload, len); + + return client_write_message(server, client, message); +} + +static int write_system_info_message(struct discover_server *server, + struct client *client, const struct system_info *sysinfo) +{ + struct pb_protocol_message *message; + int len; + + len = pb_protocol_system_info_len(sysinfo); + + message = pb_protocol_create_message(client, + PB_PROTOCOL_ACTION_SYSTEM_INFO, len); + if (!message) + return -1; + + pb_protocol_serialise_system_info(sysinfo, message->payload, len); + + return client_write_message(server, client, message); +} + +static int write_config_message(struct discover_server *server, + struct client *client, const struct config *config) +{ + struct pb_protocol_message *message; + int len; + + len = pb_protocol_config_len(config); + + message = pb_protocol_create_message(client, + PB_PROTOCOL_ACTION_CONFIG, len); + if (!message) + return -1; + + pb_protocol_serialise_config(config, message->payload, len); + + return client_write_message(server, client, message); +} + +static int discover_server_process_message(void *arg) +{ + struct pb_protocol_message *message; + struct boot_command *boot_command; + struct client *client = arg; + struct config *config; + char *url; + int rc; + + message = pb_protocol_read_message(client, client->fd); + + if (!message) { + talloc_free(client); + return 0; + } + + + switch (message->action) { + case PB_PROTOCOL_ACTION_BOOT: + boot_command = talloc(client, struct boot_command); + + rc = pb_protocol_deserialise_boot_command(boot_command, + message); + if (rc) { + pb_log("%s: no boot command?", __func__); + return 0; + } + + device_handler_boot(client->server->device_handler, + boot_command); + break; + + case PB_PROTOCOL_ACTION_CANCEL_DEFAULT: + device_handler_cancel_default(client->server->device_handler); + break; + + case PB_PROTOCOL_ACTION_REINIT: + device_handler_reinit(client->server->device_handler); + break; + + case PB_PROTOCOL_ACTION_CONFIG: + config = talloc_zero(client, struct config); + + rc = pb_protocol_deserialise_config(config, message); + if (rc) { + pb_log("%s: no config?", __func__); + return 0; + } + + device_handler_update_config(client->server->device_handler, + config); + break; + + case PB_PROTOCOL_ACTION_ADD_URL: + url = pb_protocol_deserialise_string((void *) client, message); + + device_handler_process_url(client->server->device_handler, + url, NULL, NULL); + break; + + default: + pb_log("%s: invalid action %d\n", __func__, message->action); + return 0; + } + + + return 0; +} + +static int discover_server_process_connection(void *arg) { struct discover_server *server = arg; - struct device *devices; + int fd, rc, i, n_devices; struct client *client; - int fd, i, n_devices; /* accept the incoming connection */ fd = accept(server->socket, NULL, 0); - if (!fd) { + if (fd < 0) { pb_log("accept: %s\n", strerror(errno)); return 0; } /* add to our list of clients */ - client = talloc(server, struct client); + client = talloc_zero(server, struct client); list_add(&server->clients, &client->list); talloc_set_destructor(client, client_destructor); client->fd = fd; + client->server = server; + client->waiter = waiter_register_io(server->waitset, client->fd, + WAIT_IN, discover_server_process_message, + client); + + /* send sysinfo to client */ + rc = write_system_info_message(server, client, system_info_get()); + if (rc) + return 0; + + /* send config to client */ + rc = write_config_message(server, client, config_get()); + if (rc) + return 0; /* send existing devices to client */ - n_devices = device_handler_get_current_devices(server->device_handler, - &devices); - for (i = 0; i < n_devices; i++) - write_add_message(server, client, &devices[i]); + n_devices = device_handler_get_device_count(server->device_handler); + for (i = 0; i < n_devices; i++) { + const struct discover_boot_option *opt; + const struct discover_device *device; + + device = device_handler_get_device(server->device_handler, i); + rc = write_device_add_message(server, client, device->device); + if (rc) + return 0; + + list_for_each_entry(&device->boot_options, opt, list) { + rc = write_boot_option_add_message(server, client, + opt->option); + if (rc) + return 0; + } + } return 0; } +void discover_server_notify_device_add(struct discover_server *server, + struct device *device) +{ + struct client *client; + + list_for_each_entry(&server->clients, client, list) + write_device_add_message(server, client, device); + +} + +void discover_server_notify_boot_option_add(struct discover_server *server, + struct boot_option *boot_option) +{ + struct client *client; + + list_for_each_entry(&server->clients, client, list) + write_boot_option_add_message(server, client, boot_option); +} + +void discover_server_notify_device_remove(struct discover_server *server, + struct device *device) +{ + struct client *client; + + list_for_each_entry(&server->clients, client, list) + write_device_remove_message(server, client, device->id); + +} + +void discover_server_notify_boot_status(struct discover_server *server, + struct boot_status *status) +{ + struct client *client; + + list_for_each_entry(&server->clients, client, list) + write_boot_status_message(server, client, status); +} + +void discover_server_notify_system_info(struct discover_server *server, + const struct system_info *sysinfo) +{ + struct client *client; + + list_for_each_entry(&server->clients, client, list) + write_system_info_message(server, client, sysinfo); +} + +void discover_server_notify_config(struct discover_server *server, + const struct config *config) +{ + struct client *client; + + list_for_each_entry(&server->clients, client, list) + write_config_message(server, client, config); +} + void discover_server_set_device_source(struct discover_server *server, struct device_handler *handler) { server->device_handler = handler; } -struct discover_server *discover_server_init(void) +struct discover_server *discover_server_init(struct waitset *waitset) { struct discover_server *server; struct sockaddr_un addr; @@ -171,6 +408,7 @@ struct discover_server *discover_server_init(void) return NULL; server->waiter = NULL; + server->waitset = waitset; list_init(&server->clients); unlink(PB_SOCKET_PATH); @@ -196,8 +434,8 @@ struct discover_server *discover_server_init(void) goto out_err; } - server->waiter = waiter_register(server->socket, WAIT_IN, - discover_server_process, server); + server->waiter = waiter_register_io(server->waitset, server->socket, + WAIT_IN, discover_server_process_connection, server); return server;