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166 lines (135 loc) · 6.12 KB
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/*
* Tencent is pleased to support the open source community by making Pebble available.
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*
*/
#include "common/log.h"
#include "framework/dr/common/dr_define.h"
#include "framework/dr/protocol/protocol.h"
#include "framework/dr/transport/buffer_transport.h"
#include "framework/pebble_rpc.h"
#include "framework/rpc_plugin.inh"
#include "src/framework/protobuf_rpc_head.h"
namespace pebble {
int32_t ProtoBufRpcPlugin::HeadEncode(const RpcHead& rpc_head, uint8_t* buff, uint32_t buff_len) {
if (NULL == buff || 0 == buff_len) {
PLOG_ERROR("invalid param buff = %p, buff_len = %u", buff, buff_len);
return kRPC_INVALID_PARAM;
}
dr::protocol::TProtocol* encoder = m_pebble_rpc->GetCodec(PebbleRpc::kBORROW);
if (NULL == encoder) {
return kPEBBLE_RPC_UNKNOWN_CODEC_TYPE;
}
(static_cast<dr::transport::TMemoryBuffer*>(encoder->getTransport().get()))->
resetBuffer(buff, buff_len, dr::transport::TMemoryBuffer::OBSERVE);
int32_t len = -1;
try {
// 1. ProtoBufRpcHead赋值
ProtoBufRpcHead pb_head;
// pb_head.version = rpc_head.m_version; // 暂时不需要版本号
pb_head.msg_type = rpc_head.m_message_type;
pb_head.session_id = rpc_head.m_session_id;
pb_head.function_name = rpc_head.m_function_name;
// 2. 序列化ProtoBufRpcHead，考虑到性能不使用write(buff, bufflen)接口
len = pb_head.write(encoder);
} catch (TException e) {
PLOG_ERROR_N_EVERY_SECOND(1, "catch exception : %s", e.what());
return kPEBBLE_RPC_ENCODE_HEAD_FAILED;
}
return len;
}
int32_t ProtoBufRpcPlugin::HeadDecode(const uint8_t* buff, uint32_t buff_len, RpcHead* rpc_head) {
if (NULL == buff || 0 == buff_len || NULL == rpc_head) {
PLOG_ERROR("invalid param buff = %p, buff_len = %u, rpchead = %p", buff, buff_len, rpc_head);
return kRPC_INVALID_PARAM;
}
dr::protocol::TProtocol* decoder = m_pebble_rpc->GetCodec(PebbleRpc::kBORROW);
if (NULL == decoder) {
return kPEBBLE_RPC_UNKNOWN_CODEC_TYPE;
}
(static_cast<dr::transport::TMemoryBuffer*>(decoder->getTransport().get()))->
resetBuffer(const_cast<uint8_t*>(buff), buff_len, dr::transport::TMemoryBuffer::OBSERVE);
// 解消息头
int32_t head_len = -1;
try {
// 1. 反序列化ProtoBufRpcHead
ProtoBufRpcHead pb_head;
head_len = pb_head.read(decoder);
// 2. 给rpc_head赋值
if (pb_head.__isset.version) {
rpc_head->m_version = pb_head.version;
}
rpc_head->m_message_type = pb_head.msg_type;
rpc_head->m_session_id = pb_head.session_id;
rpc_head->m_function_name = pb_head.function_name;
} catch (TException e) {
PLOG_ERROR_N_EVERY_SECOND(1, "catch exception : %s", e.what());
return kPEBBLE_RPC_DECODE_HEAD_FAILED;
}
if (rpc_head->m_message_type < kRPC_CALL
|| rpc_head->m_message_type > kRPC_ONEWAY) {
PLOG_ERROR_N_EVERY_SECOND(1, "message type error %d", rpc_head->m_message_type);
return kRPC_UNKNOWN_TYPE;
}
return head_len;
}
int32_t ThriftRpcPlugin::HeadEncode(const RpcHead& rpc_head, uint8_t* buff, uint32_t buff_len) {
if (NULL == buff || 0 == buff_len) {
PLOG_ERROR("invalid param buff = %p, buff_len = %u", buff, buff_len);
return kRPC_INVALID_PARAM;
}
dr::protocol::TProtocol* encoder = m_pebble_rpc->GetCodec(PebbleRpc::kBORROW);
if (NULL == encoder) {
return kPEBBLE_RPC_UNKNOWN_CODEC_TYPE;
}
(static_cast<dr::transport::TMemoryBuffer*>(encoder->getTransport().get()))->
resetBuffer(buff, buff_len, dr::transport::TMemoryBuffer::OBSERVE);
int32_t len = -1;
try {
len = encoder->writeMessageBegin(rpc_head.m_function_name,
static_cast<pebble::dr::protocol::TMessageType>(rpc_head.m_message_type),
rpc_head.m_session_id);
} catch (TException e) {
PLOG_ERROR_N_EVERY_SECOND(1, "catch exception : %s", e.what());
return kPEBBLE_RPC_ENCODE_HEAD_FAILED;
}
return len;
}
int32_t ThriftRpcPlugin::HeadDecode(const uint8_t* buff, uint32_t buff_len, RpcHead* rpc_head) {
if (NULL == buff || 0 == buff_len || NULL == rpc_head) {
PLOG_ERROR("invalid param buff = %p, buff_len = %u, rpchead = %p", buff, buff_len, rpc_head);
return kRPC_INVALID_PARAM;
}
dr::protocol::TProtocol* decoder = m_pebble_rpc->GetCodec(PebbleRpc::kBORROW);
if (NULL == decoder) {
return kPEBBLE_RPC_UNKNOWN_CODEC_TYPE;
}
(static_cast<dr::transport::TMemoryBuffer*>(decoder->getTransport().get()))->
resetBuffer(const_cast<uint8_t*>(buff), buff_len, dr::transport::TMemoryBuffer::OBSERVE);
// 解消息头
int32_t head_len = -1;
try {
int64_t seqid = 0;
pebble::dr::protocol::TMessageType msg_type = pebble::dr::protocol::T_EXCEPTION;
head_len = decoder->readMessageBegin(rpc_head->m_function_name, msg_type, seqid);
rpc_head->m_message_type = static_cast<int32_t>(msg_type);
rpc_head->m_session_id = static_cast<uint64_t>(seqid);
} catch (TException e) {
PLOG_ERROR_N_EVERY_SECOND(1, "catch exception : %s", e.what());
return kPEBBLE_RPC_DECODE_HEAD_FAILED;
}
if (rpc_head->m_message_type < dr::protocol::T_CALL
|| rpc_head->m_message_type > dr::protocol::T_ONEWAY) {
PLOG_ERROR_N_EVERY_SECOND(1, "message type error %d", rpc_head->m_message_type);
return kPEBBLE_RPC_MSG_TYPE_ERROR;
}
return head_len;
}
} // namespace pebble