io.grpc.internal

Class TransportFrameUtil

java.lang.Object

io.grpc.internal.TransportFrameUtil

public final class TransportFrameUtil
extends Object

Utility functions for transport layer framing.

Within a given transport frame we reserve the first byte to indicate the type of compression used for the contents of the transport frame.

Method Summary

Modifier and Type	Method and Description
static byte[][]	toHttp2Headers(Metadata headers) Transform the given headers to a format where only spec-compliant ASCII characters are allowed.
static byte[][]	toRawSerializedHeaders(byte[][] http2Headers) Transform HTTP/2-compliant headers to the raw serialized format which can be deserialized by metadata marshallers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

toHttp2Headers

public static byte[][] toHttp2Headers(Metadata headers)

Transform the given headers to a format where only spec-compliant ASCII characters are allowed. Binary header values are encoded by Base64 in the result.

Returns:

the interleaved keys and values.

toRawSerializedHeaders

public static byte[][] toRawSerializedHeaders(byte[][] http2Headers)

Transform HTTP/2-compliant headers to the raw serialized format which can be deserialized by metadata marshallers. It decodes the Base64-encoded binary headers.

Parameters:

http2Headers - the interleaved keys and values of HTTP/2-compliant headers

Returns:

the interleaved keys and values in the raw serialized format