| 83 | } |
| 84 | |
| 85 | void SerializeHeader(const MessageLite& header, |
| 86 | size_t param_len, |
| 87 | faststring* header_buf) { |
| 88 | |
| 89 | CHECK(header.IsInitialized()) |
| 90 | << "RPC header missing fields: " << header.InitializationErrorString(); |
| 91 | |
| 92 | // Compute all the lengths for the packet. |
| 93 | size_t header_pb_len = header.ByteSizeLong(); |
| 94 | size_t header_tot_len = kMsgLengthPrefixLength // Int prefix for the total length. |
| 95 | + CodedOutputStream::VarintSize32(header_pb_len) // Varint delimiter for header PB. |
| 96 | + header_pb_len; // Length for the header PB itself. |
| 97 | size_t total_size = header_tot_len + param_len; |
| 98 | |
| 99 | header_buf->resize(header_tot_len); |
| 100 | uint8_t* dst = header_buf->data(); |
| 101 | |
| 102 | // 1. The length for the whole request, not including the 4-byte |
| 103 | // length prefix. |
| 104 | NetworkByteOrder::Store32(dst, total_size - kMsgLengthPrefixLength); |
| 105 | dst += sizeof(uint32_t); |
| 106 | |
| 107 | // 2. The varint-prefixed RequestHeader PB |
| 108 | dst = CodedOutputStream::WriteVarint32ToArray(header_pb_len, dst); |
| 109 | dst = header.SerializeWithCachedSizesToArray(dst); |
| 110 | |
| 111 | // We should have used the whole buffer we allocated. |
| 112 | CHECK_EQ(dst, header_buf->data() + header_tot_len); |
| 113 | } |
| 114 | |
| 115 | Status ParseMessage(const Slice& buf, |
| 116 | MessageLite* parsed_header, |
no test coverage detected