bool cmd_idle(struct client_command_context *cmd) { struct client *client = cmd->client; struct cmd_idle_context *ctx; ctx = p_new(cmd->pool, struct cmd_idle_context, 1); ctx->cmd = cmd; ctx->client = client; idle_add_keepalive_timeout(ctx); if (client->mailbox != NULL) mailbox_notify_changes(client->mailbox, idle_callback, ctx); client_send_line(client, "+ idling"); io_remove(&client->io); client->io = io_add(i_stream_get_fd(client->input), IO_READ, idle_client_input, ctx); cmd->func = cmd_idle_continue; cmd->context = ctx; /* check immediately if there are changes. if they came before we added mailbox-notifier, we wouldn't see them otherwise. */ if (client->mailbox != NULL) idle_sync_now(client->mailbox, ctx); return idle_client_handle_input(ctx, FALSE); }
bool cmd_idle(struct client_command_context *cmd) { struct client *client = cmd->client; struct cmd_idle_context *ctx; ctx = p_new(cmd->pool, struct cmd_idle_context, 1); ctx->cmd = cmd; ctx->client = client; idle_add_keepalive_timeout(ctx); idle_add_hibernate_timeout(ctx); if (client->mailbox != NULL) mailbox_notify_changes(client->mailbox, idle_callback, ctx); if (!client->state_import_idle_continue) client_send_line(client, "+ idling"); else { /* continuing an IDLE after hibernation */ client->state_import_idle_continue = FALSE; } io_remove(&client->io); client->io = io_add_istream(client->input, idle_client_input, ctx); cmd->func = cmd_idle_continue; cmd->context = ctx; /* check immediately if there are changes. if they came before we added mailbox-notifier, we wouldn't see them otherwise. */ if (client->mailbox != NULL) idle_sync_now(client->mailbox, ctx); return idle_client_handle_input(ctx, FALSE); }
static void idle_callback(struct mailbox *box, struct cmd_idle_context *ctx) { struct client *client = ctx->client; if (ctx->sync_ctx != NULL) ctx->sync_pending = TRUE; else { ctx->manual_cork = TRUE; idle_sync_now(box, ctx); if (client->disconnected) client_destroy(client, NULL); } }
static bool cmd_idle_continue(struct client_command_context *cmd) { struct client *client = cmd->client; struct cmd_idle_context *ctx = cmd->context; uoff_t orig_offset = client->output->offset; if (cmd->cancel) { idle_finish(ctx, FALSE, FALSE); return TRUE; } if (ctx->manual_cork) { /* we're coming from idle_callback instead of a normal I/O handler, so we'll have to do corking manually */ o_stream_cork(client->output); } if (ctx->sync_ctx != NULL) { if (imap_sync_more(ctx->sync_ctx) == 0) { /* unfinished */ if (ctx->manual_cork) { ctx->manual_cork = FALSE; o_stream_uncork(client->output); } cmd->state = CLIENT_COMMAND_STATE_WAIT_OUTPUT; return FALSE; } if (imap_sync_deinit(ctx->sync_ctx, ctx->cmd) < 0) { client_send_untagged_storage_error(client, mailbox_get_storage(client->mailbox)); mailbox_notify_changes_stop(client->mailbox); } ctx->sync_ctx = NULL; } if (client->output->offset != orig_offset && ctx->keepalive_to != NULL) idle_add_keepalive_timeout(ctx); if (ctx->sync_pending) { /* more changes occurred while we were sending changes to client */ idle_sync_now(client->mailbox, ctx); /* NOTE: this recurses back to this function, so we return here instead of doing everything twice. */ return FALSE; } cmd->state = CLIENT_COMMAND_STATE_WAIT_INPUT; if (ctx->manual_cork) { ctx->manual_cork = FALSE; o_stream_uncork(client->output); } if (client->output->closed) { idle_finish(ctx, FALSE, FALSE); return TRUE; } if (client->io == NULL) { /* input is pending */ client->io = io_add(i_stream_get_fd(client->input), IO_READ, idle_client_input, ctx); idle_client_input_more(ctx); } return FALSE; }