/**
* This method gets all necessary information for a system to construct a NSH header and
* associated overlay packet to target the first service hop of a Rendered Service Path
*
* <p>
*
* @param input RPC input including a Rendered Service Path name
* @return RPC output including a renderedServicePathFirstHop.
*/
@Override
public Future<RpcResult<ReadRenderedServicePathFirstHopOutput>> readRenderedServicePathFirstHop(
ReadRenderedServicePathFirstHopInput input) {
RenderedServicePathFirstHop renderedServicePathFirstHop = null;
RpcResultBuilder<ReadRenderedServicePathFirstHopOutput> rpcResultBuilder;
renderedServicePathFirstHop =
SfcProviderRenderedPathAPI.readRenderedServicePathFirstHop(input.getName());
ReadRenderedServicePathFirstHopOutput renderedServicePathFirstHopOutput = null;
if (renderedServicePathFirstHop != null) {
ReadRenderedServicePathFirstHopOutputBuilder renderedServicePathFirstHopOutputBuilder =
new ReadRenderedServicePathFirstHopOutputBuilder();
renderedServicePathFirstHopOutputBuilder.setRenderedServicePathFirstHop(
renderedServicePathFirstHop);
renderedServicePathFirstHopOutput = renderedServicePathFirstHopOutputBuilder.build();
rpcResultBuilder = RpcResultBuilder.success(renderedServicePathFirstHopOutput);
} else {
String message = "Error Reading RSP First Hop from DataStore: " + input.getName();
rpcResultBuilder =
RpcResultBuilder.<ReadRenderedServicePathFirstHopOutput>failed()
.withError(ErrorType.APPLICATION, message);
}
return Futures.immediateFuture(rpcResultBuilder.build());
}
@Override
public Future<RpcResult<DeleteRenderedPathOutput>> deleteRenderedPath(
DeleteRenderedPathInput input) {
boolean ret;
RpcResultBuilder<DeleteRenderedPathOutput> rpcResultBuilder;
// If a RSP is deleted we delete both SF and SFF operational states.
SfcProviderServiceForwarderAPI.deletePathFromServiceForwarderStateExecutor(input.getName());
SfcProviderServiceFunctionAPI.deleteServicePathFromServiceFunctionStateExecutor(
input.getName());
ret = SfcProviderRenderedPathAPI.deleteRenderedServicePathExecutor(input.getName());
DeleteRenderedPathOutputBuilder deleteRenderedPathOutputBuilder =
new DeleteRenderedPathOutputBuilder();
deleteRenderedPathOutputBuilder.setResult(ret);
if (ret) {
rpcResultBuilder = RpcResultBuilder.success(deleteRenderedPathOutputBuilder.build());
} else {
String message = "Error Deleting Rendered Service Path: " + input.getName();
rpcResultBuilder =
RpcResultBuilder.<DeleteRenderedPathOutput>failed()
.withError(ErrorType.APPLICATION, message);
}
return Futures.immediateFuture(rpcResultBuilder.build());
}
@Override
public RpcResult<TransactionStatus> apply(final DOMRpcResult input) {
if (isSuccess(input)) {
return RpcResultBuilder.success(TransactionStatus.COMMITED).build();
} else {
final RpcResultBuilder<TransactionStatus> failed = RpcResultBuilder.failed();
for (final RpcError rpcError : input.getErrors()) {
failed.withError(
rpcError.getErrorType(),
rpcError.getTag(),
rpcError.getMessage(),
rpcError.getApplicationTag(),
rpcError.getInfo(),
rpcError.getCause());
}
return failed.build();
}
}
/**
* This method reads all the necessary information for the first hop of a Rendered Service Path by
* ServiceFunctionTypeIdentity list.
*
* <p>
*
* @param input RPC input including a ServiceFunctionTypeIdentity list
* @return RPC output including a renderedServicePathFirstHop.
*/
@Override
public Future<RpcResult<ReadRspFirstHopBySftListOutput>> readRspFirstHopBySftList(
ReadRspFirstHopBySftListInput input) {
RenderedServicePathFirstHop renderedServicePathFirstHop = null;
renderedServicePathFirstHop =
SfcProviderRenderedPathAPI.readRspFirstHopBySftList(input.getSfst(), input.getSftList());
ReadRspFirstHopBySftListOutput readRspFirstHopBySftListOutput = null;
if (renderedServicePathFirstHop != null) {
ReadRspFirstHopBySftListOutputBuilder readRspFirstHopBySftListOutputBuilder =
new ReadRspFirstHopBySftListOutputBuilder();
readRspFirstHopBySftListOutputBuilder.setRenderedServicePathFirstHop(
renderedServicePathFirstHop);
readRspFirstHopBySftListOutput = readRspFirstHopBySftListOutputBuilder.build();
}
RpcResultBuilder<ReadRspFirstHopBySftListOutput> rpcResultBuilder =
RpcResultBuilder.success(readRspFirstHopBySftListOutput);
return Futures.immediateFuture(rpcResultBuilder.build());
}