28   Transfer,
30 } from './transfer';
33   [key: number]: Transfer;
47  *  When created, a Manager starts a separate thread in which transfer
64    * @param{ServiceClient} service: the pw_rpc transfer service
69    * be longer to account for transfer handler initialization
82    * @throws Throws an error when the transfer fails to complete.
90         `Read transfer for resource ${resourceId} already exists`,
93     const transfer = new ReadTransfer(  constant
101     this.startReadTransfer(transfer);
103     const status = await transfer.done;
105     delete this.readTransfers[transfer.id];
107       throw new TransferError(transfer.id, transfer.status);
109     return transfer.data;
112   /** Begins a new read transfer, opening the stream if it isn't. */
113   startReadTransfer(transfer: Transfer): void {
114     this.readTransfers[transfer.id] = transfer;
119     console.debug(`Starting new read transfer ${transfer.id}`);
120     transfer.begin();
134     const transfer = new WriteTransfer(  constant
143     this.startWriteTransfer(transfer);
145     const status = await transfer.done;
147     delete this.writeTransfers[transfer.id];
148     if (transfer.status !== Status.OK) {
149       throw new TransferError(transfer.id, transfer.status);
161   /** Begins a new write transfer, opening the stream if it isn't */
162   startWriteTransfer(transfer: Transfer): void {
163     this.writeTransfers[transfer.id] = transfer;
169     console.debug(`Starting new write transfer ${transfer.id}`);
170     transfer.begin();
210       // server resets during an active transfer. Re-open the stream to
222       const transfer = this.readTransfers[key];  constant
223       transfer.abort(Status.INTERNAL);
233       // server resets during an active transfer. Re-open the stream to
243         const transfer = this.writeTransfers[key];  constant
244         transfer.abort(Status.INTERNAL);
254    * The chunk is dispatched to an active transfer based on its ID. If the
255    * transfer indicates that it is complete, the provided completion callback
259     const transfer = transfers[chunk.getTransferId()];  constant
260     if (transfer === undefined) {
262         `TransferManager received chunk for unknown transfer ${chunk.getTransferId()}`,
266     transfer.handleChunk(chunk);
271  * Exception raised when a transfer fails.
273  * Stores the ID of the failed transfer and the error that occured.
280     super(`Transfer ${id} failed with status ${Status[status]}`);