#include <sys/un.h>
#include <asm/byteorder.h>
+#include <pb-config/pb-config.h>
#include <talloc/talloc.h>
#include <waiter/waiter.h>
#include <log/log.h>
#include "device-handler.h"
#include "discover-server.h"
+#include "sysinfo.h"
struct discover_server {
int socket;
struct client {
struct discover_server *server;
struct list_item list;
+ struct waiter *waiter;
int fd;
+ bool remote_closed;
};
if (client->fd >= 0)
close(client->fd);
+ if (client->waiter)
+ waiter_remove(client->waiter);
+
list_remove(&client->list);
return 0;
{
struct client *client;
- pb_log("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)
- pb_log("\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);
}
{
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;
}
return client_write_message(server, client, message);
}
+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;
int rc;
message = pb_protocol_read_message(client, client->fd);
- if (!message)
- return 0;
-
- if (message->action != PB_PROTOCOL_ACTION_BOOT) {
- pb_log("%s: invalid action %d\n", __func__, message->action);
+ if (!message) {
+ talloc_free(client);
return 0;
}
- 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__);
+ 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_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;
+
+ default:
+ pb_log("%s: invalid action %d\n", __func__, message->action);
return 0;
}
- device_handler_boot(client->server->device_handler, boot_command);
return 0;
}
static int discover_server_process_connection(void *arg)
{
struct discover_server *server = arg;
+ 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_device_count(server->device_handler);
const struct discover_device *device;
device = device_handler_get_device(server->device_handler, i);
- write_device_add_message(server, client, device->device);
+ rc = write_device_add_message(server, client, device->device);
+ if (rc)
+ return 0;
- list_for_each_entry(&device->boot_options, opt, list)
- discover_server_notify_boot_option_add(server,
+ list_for_each_entry(&device->boot_options, opt, list) {
+ rc = write_boot_option_add_message(server, client,
opt->option);
-
+ if (rc)
+ return 0;
+ }
}
- waiter_register(server->waitset, client->fd, WAIT_IN,
- discover_server_process_message, client);
-
return 0;
}
}
+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)
{
goto out_err;
}
- server->waiter = waiter_register(server->waitset, server->socket,
+ server->waiter = waiter_register_io(server->waitset, server->socket,
WAIT_IN, discover_server_process_connection, server);
return server;
projects / petitboot / blobdiff