You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
rocksdb/thrift/lib/cpp/transport/TTransportException.h

141 lines
4.6 KiB

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
#ifndef _THRIFT_TRANSPORT_TTRANSPORTEXCEPTION_H_
#define _THRIFT_TRANSPORT_TTRANSPORTEXCEPTION_H_ 1
#include <string>
#include "thrift/lib/cpp/Thrift.h"
namespace apache { namespace thrift { namespace transport {
/**
* Class to encapsulate all the possible types of transport errors that may
* occur in various transport systems. This provides a sort of generic
* wrapper around the shitty UNIX E_ error codes that lets a common code
* base of error handling to be used for various types of transports, i.e.
* pipes etc.
*
*/
class TTransportException : public apache::thrift::TLibraryException {
public:
/**
* Error codes for the various types of exceptions.
*/
enum TTransportExceptionType
{ UNKNOWN = 0
, NOT_OPEN = 1
, ALREADY_OPEN = 2
, TIMED_OUT = 3
, END_OF_FILE = 4
, INTERRUPTED = 5
, BAD_ARGS = 6
, CORRUPTED_DATA = 7
, INTERNAL_ERROR = 8
, NOT_SUPPORTED = 9
, INVALID_STATE = 10
, INVALID_FRAME_SIZE = 11
, SSL_ERROR = 12
};
TTransportException() :
apache::thrift::TLibraryException(),
type_(UNKNOWN), errno_(0) {}
TTransportException(TTransportExceptionType type) :
apache::thrift::TLibraryException(),
type_(type), errno_(0) {}
TTransportException(const std::string& message) :
apache::thrift::TLibraryException(message),
type_(UNKNOWN), errno_(0) {}
TTransportException(TTransportExceptionType type, const std::string& message) :
apache::thrift::TLibraryException(message),
type_(type), errno_(0) {}
TTransportException(TTransportExceptionType type,
const std::string& message,
int errno_copy) :
apache::thrift::TLibraryException(getMessage(message, errno_copy)),
type_(type), errno_(errno_copy) {}
virtual ~TTransportException() throw() {}
/**
* Returns an error code that provides information about the type of error
* that has occurred.
*
* @return Error code
*/
TTransportExceptionType getType() const throw() {
return type_;
}
virtual const char* what() const throw() {
if (message_.empty()) {
switch (type_) {
case UNKNOWN : return "TTransportException: Unknown transport exception";
case NOT_OPEN : return "TTransportException: Transport not open";
case ALREADY_OPEN : return "TTransportException: Transport already open";
case TIMED_OUT : return "TTransportException: Timed out";
case END_OF_FILE : return "TTransportException: End of file";
case INTERRUPTED : return "TTransportException: Interrupted";
case BAD_ARGS : return "TTransportException: Invalid arguments";
case CORRUPTED_DATA : return "TTransportException: Corrupted Data";
case INTERNAL_ERROR : return "TTransportException: Internal error";
case NOT_SUPPORTED : return "TTransportException: Not supported";
case INVALID_STATE : return "TTransportException: Invalid state";
case INVALID_FRAME_SIZE:
return "TTransportException: Invalid frame size";
case SSL_ERROR : return "TTransportException: SSL error";
default : return "TTransportException: (Invalid exception type)";
}
} else {
return message_.c_str();
}
}
int getErrno() const { return errno_; }
protected:
/** Just like strerror_r but returns a C++ string object. */
std::string strerror_s(int errno_copy);
/** Return a message based on the input. */
static std::string getMessage(const std::string &message,
int errno_copy) {
if (errno_copy != 0) {
return message + ": " + TOutput::strerror_s(errno_copy);
} else {
return message;
}
}
/** Error code */
TTransportExceptionType type_;
/** A copy of the errno. */
int errno_;
};
}}} // apache::thrift::transport
#endif // #ifndef _THRIFT_TRANSPORT_TTRANSPORTEXCEPTION_H_