98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "util/thrift_client.h"
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#include <ostream>
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#include <string>
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#include <boost/assign.hpp>
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#include "gutil/strings/substitute.h"
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#include "util/monotime.h"
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namespace doris {
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Status ThriftClientImpl::open() {
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try {
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if (!_transport->isOpen()) {
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_transport->open();
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}
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} catch (const apache::thrift::transport::TTransportException& e) {
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try {
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_transport->close();
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} catch (const apache::thrift::transport::TTransportException& e) {
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VLOG(1) << "Error closing socket to: " << ipaddress() << ":" << port()
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<< ", ignoring (" << e.what() << ")";
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}
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// In certain cases in which the remote host is overloaded, this failure can
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// happen quite frequently. Let's print this error message without the stack
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// trace as there aren't many callers of this function.
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const std::string& err_msg = strings::Substitute("Couldn't open transport for $0:$1 ($2)",
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ipaddress(), port(), e.what());
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VLOG(1) << err_msg;
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return Status::ThriftRpcError(err_msg);
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}
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return Status::OK();
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}
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Status ThriftClientImpl::open_with_retry(int num_tries, int wait_ms) {
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DCHECK_GE(wait_ms, 0);
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Status status;
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int try_count = 0L;
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while (num_tries <= 0 || try_count < num_tries) {
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++try_count;
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status = open();
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if (status.ok()) {
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return status;
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}
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LOG(INFO) << "Unable to connect to " << _ipaddress << ":" << _port;
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if (num_tries < 0) {
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LOG(INFO) << "(Attempt " << try_count << ", will retry indefinitely)";
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} else {
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LOG(INFO) << "(Attempt " << try_count << " of " << num_tries << ")";
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}
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SleepFor(MonoDelta::FromMilliseconds(wait_ms));
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}
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return status;
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}
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void ThriftClientImpl::close() {
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try {
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if (_transport.get() != nullptr && _transport->isOpen()) _transport->close();
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} catch (const apache::thrift::transport::TTransportException& e) {
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LOG(INFO) << "Error closing connection to: " << ipaddress() << ":" << port()
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<< ", ignoring (" << e.what() << ")";
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// Forcibly close the socket (since the transport may have failed to get that far
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// during close())
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try {
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if (_socket.get() != nullptr) _socket->close();
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} catch (const apache::thrift::transport::TTransportException& e) {
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LOG(INFO) << "Error closing socket to: " << ipaddress() << ":" << port()
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<< ", ignoring (" << e.what() << ")";
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}
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}
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}
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}
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