| /* $Id$ |
| * |
| * 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 __ETCHTCPOPTION_H__ |
| #define __ETCHTCPOPTION_H__ |
| |
| #include "util/EtchURL.h" |
| |
| class EtchTcpOption { |
| public: |
| |
| EtchTcpOption(EtchURL *url); |
| |
| virtual ~EtchTcpOption(); |
| |
| /** |
| * Term on the uri which specifies the output buffer size in bytes. The term |
| * string is "TcpTransport.bufferSize". The value is an integer between 0 |
| * and 65536. The default is 0, which means no output buffering. |
| */ |
| const static EtchString& BUFFER_SIZE(); |
| |
| /** |
| * Term on the uri which specifies the keep alive flag. The term string is |
| * "TcpTransport.keepAlive". The value is "true" or "false". The default is |
| * "false". Here keep alive refers to TCP specified keep alive, which is not |
| * the same as any application level keep alive. |
| */ |
| const static EtchString& KEEP_ALIVE(); |
| |
| /** |
| * Term on the uri which specifies the linger on close time in seconds. The |
| * term string is "TcpTransport.lingerTime". The value is an integer between |
| * -1 and 65535. The default is 30. The value -1 means "no linger on close". |
| * The value determines how long close will wait for buffered but |
| * unacknowledged data to be delivered. When the time expires, the |
| * connection will be forcefully closed. (The difference between a linger of |
| * -1 and a linger of 0 is subtle, but comes down to a close with a linger |
| * of -1 means perform forceful close while a close with a linger of 0 means |
| * perform a graceful close if there is no buffered data and a forceful |
| * close if there is buffered data. A forceful close is send RST, while a |
| * graceful close means send FIN and wait for FINACK.) |
| */ |
| const static EtchString& LINGER_TIME(); |
| |
| /** |
| * Term on the uri which specifies the no delay flag. The term string is |
| * "TcpTransport.noDelay". The value is "true" or "false". The default is |
| * "true". When true, the operating system will make a best effort to |
| * transmit data ASAP. When false, data might be delayed somewhat in order |
| * to allow for more efficient transmission by combining packets (see |
| * Nagle's Algorithm). |
| */ |
| const static EtchString& NO_DELAY(); |
| |
| /** |
| * Term on the uri which specifies the reconnect delay in milliseconds. The |
| * term string is "TcpTransport.reconnectDelay". The value is an integer >= |
| * 0. The default is 0. The value 0 means no automatic reconnection is |
| * desired. |
| */ |
| const static EtchString& RECONNECT_DELAY(); |
| |
| private: |
| |
| capu::bool_t isValidNumber(const char * str, capu::int32_t len); |
| |
| capu::bool_t checkBufferSize(capu::int32_t size); |
| |
| capu::bool_t checkLingerTime(capu::int32_t lingertime); |
| |
| capu::bool_t checkReconnectDelay(capu::int32_t delay); |
| |
| capu::int32_t mBufferSize; |
| |
| capu::int32_t mLingerTime; |
| |
| capu::int32_t mReconnectDelay; |
| |
| capu::int32_t mKeepAlive; |
| |
| capu::int32_t mNoDelay; |
| |
| public: |
| capu::int32_t getBufferSize(); |
| |
| capu::int32_t getLingerTime(); |
| |
| capu::int32_t getReconnectDelay(); |
| |
| capu::int32_t getKeepAlive(); |
| |
| capu::int32_t getNoDelay(); |
| |
| |
| |
| }; |
| |
| #endif /* ETCHTCPOPTION_H */ |
| |