+#include "ttt-error.h"
+#include "ttt-lex.h"
+#include "ttt-server.h"
+#include "ttt-socket.h"
+#include "ttt-token.h"
+
+struct _ttt_client {
+ pthread_mutex_t mutex;
+ pthread_t thread;
+
+ ttt_server_t *server;
+ int socket;
+ yyscan_t scanner;
+
+ int id;
+
+ char **request_strings;
+ int num_request_strings;
+};
+
+static void
+_free_request (ttt_client_t *client);
+
+static void
+_ttt_client_init (ttt_client_t *client,
+ ttt_server_t *server,
+ int socket)
+{
+ FILE *file;
+
+ pthread_mutex_init (&client->mutex, NULL);
+
+ client->server = server;
+ client->socket = socket;
+
+ file = xfdopen (socket, "r");
+ yylex_init(&client->scanner);
+ yyset_in (file, client->scanner);
+
+ client->request_strings = NULL;
+ client->num_request_strings = 0;
+
+ /* XXX: Probably want to register only as the result of the HELO
+ command. Not only will that match the protocol correctly, but
+ it will also eliminate a race condition here. */
+ client->id = ttt_server_register_client (server, client);
+}
+
+static void
+_ttt_client_fini (ttt_client_t *client)
+{
+ pthread_mutex_lock (&client->mutex);
+
+ ttt_server_unregister_client (client->server, client);
+
+ yylex_destroy (client->scanner);
+ shutdown (client->socket, SHUT_RDWR);
+
+ _free_request (client);
+
+ pthread_mutex_unlock (&client->mutex);
+
+ pthread_mutex_destroy (&client->mutex);
+}
+
+/* XXX: The memory management for the request strings is pretty cheesy. */
+static void
+_append_to_request (ttt_client_t *client,
+ const char *string)
+{
+ client->num_request_strings++;
+ client->request_strings =
+ xrealloc (client->request_strings,
+ client->num_request_strings * sizeof (char *));
+
+ client->request_strings[client->num_request_strings - 1] = xstrdup (string);
+}
+
+static void
+_free_request (ttt_client_t *client)
+{
+ int i;
+
+ for (i = 0; i < client->num_request_strings; i++)
+ free (client->request_strings[i]);
+
+ free (client->request_strings);
+
+ client->request_strings = NULL;
+ client->num_request_strings = 0;
+}
+
+static ttt_status_t
+_read_request (ttt_client_t *client)
+{
+ ttt_token_t token;
+
+ _free_request (client);
+
+ while (1) {
+ token = yylex (client->scanner);
+ /* Yes, EOF in two different enums is pretty ugly. */
+ if (token == TTT_TOKEN_EOF)
+ return TTT_STATUS_EOF;
+
+ if (token == TTT_TOKEN_NEWLINE) {
+ if (client->num_request_strings)
+ return TTT_STATUS_SUCCESS;
+ else
+ continue;
+ }
+
+ assert (token == TTT_TOKEN_STRING);
+
+ _append_to_request (client, yyget_text (client->scanner));
+ }
+}
+
+static ttt_error_t
+_execute_request (ttt_client_t *client)
+{
+ int i;
+
+ for (i=0; i < client->num_request_strings; i++)
+ ttt_server_broadcast (client->server, client->request_strings[i]);
+
+ return TTT_ERROR_NONE;
+}
+
+static void *
+_handle_requests_thread (void *closure)