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/*
* 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.
*/
package thrift
import (
"log"
"os"
"strconv"
)
type Flusher interface {
Flush() (err error)
}
/**
* Generic class that encapsulates the I/O layer. This is basically a thin
* wrapper around the combined functionality of Java input/output streams.
*
*/
type TTransport interface {
/**
* Queries whether the transport is open.
*
* @return True if the transport is open.
*/
IsOpen() bool
/**
* Opens the transport for reading/writing.
*
* @returns TTransportException if the transport could not be opened
*/
Open() (err error)
/**
* Closes the transport.
*/
Close() (err error)
/**
* Reads up to len bytes into buffer buf, starting att offset off.
*
* @param buf Array to read into
* @param off Index to start reading at
* @param len Maximum number of bytes to read
* @return The number of bytes actually read
* @return TTransportException if there was an error reading data
*/
Read(buf []byte) (n int, err error)
/**
* Guarantees that all of len bytes are actually read off the transport.
*
* @param buf Array to read into
* @param off Index to start reading at
* @param len Maximum number of bytes to read
* @return The number of bytes actually read, which must be equal to len
* @return TTransportException if there was an error reading data
*/
ReadAll(buf []byte) (n int, err error)
/**
* Writes the buffer to the output
*
* @param buf The output data buffer
* @return Number of bytes written
* @return TTransportException if an error occurs writing data
*/
Write(buf []byte) (n int, err error)
/**
* Flush any pending data out of a transport buffer.
*
* @return TTransportException if there was an error writing out data.
*/
Flush() (err error)
/**
* Is there more data to be read?
*
* @return True if the remote side is still alive and feeding us
*/
Peek() bool
}
/*
type TTransportBase struct {
}
func (p* TTransportBase) IsOpen() bool {
return false;
};
func (p* TTransportBase) Peek() bool {
return p.IsOpen();
}
func (p* TTransportBase) Open() error {
return NewTTransportException(UNKNOWN, "Subclasses must implement TTransportBase.Open()");
}
func (p* TTransportBase) Close() error {
return NewTTransportException(UNKNOWN, "Subclasses must implement TTransportBase.Close()");
}
func (p* TTransportBase) Read(buf []byte) (int, error) {
return 0, NewTTransportExceptionDefaultString("Subclasses must implement TTransportBase.Read()");
}
func (p* TTransportBase) ReadAll(buf []byte) (n int, err error){
ret := 0;
size := len(buf);
for (n < size) {
ret, err = p.Read(buf[n:]);
if ret <= 0 {
if err != nil {
err = NewTTransportExceptionDefaultString("Cannot read. Remote side has closed. Tried to read " + string(size) + " bytes, but only got " + string(n) + " bytes.");
}
return ret, err;
}
n += ret;
}
return n, err;
}
func (p* TTransportBase) Write(buf []byte) (int, error) {
return 0, NewTTransportExceptionDefaultString("Subclasses must implement TTransportBase.Write()");
}
func (p* TTransportBase) Flush() error {
return nil;
}
*/
/**
* Guarantees that all of len bytes are actually read off the transport.
*
* @param buf Array to read into
* @param off Index to start reading at
* @param len Maximum number of bytes to read
* @return The number of bytes actually read, which must be equal to len
* @return TTransportException if there was an error reading data
*/
func ReadAllTransport(p TTransport, buf []byte) (n int, err error) {
ret := 0
size := len(buf)
for n < size {
ret, err = p.Read(buf[n:])
if ret <= 0 {
if err != nil {
err = NewTTransportExceptionDefaultString("Cannot read. Remote side has closed. Tried to read " + strconv.Itoa(size) + " bytes, but only got " + strconv.Itoa(n) + " bytes.")
}
return ret, err
}
n += ret
}
return n, err
}
var (
LOGGER *log.Logger
)
func init() {
LOGGER = log.New(os.Stderr, "", log.Ldate|log.Ltime|log.Lshortfile)
}
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