sockio_8h-source.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>sockio.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.15 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </center><hr><h1>sockio.h</h1><div class="fragment"><pre>00001 <font class="comment">//-< SOCKIO.H >------------------------------------------------------*--------*</font>00002 <font class="comment">// FastDB Version 1.0 (c) 1999 GARRET * ? *</font>00003 <font class="comment">// (Main Memory Database Management System) * /\| *</font>00004 <font class="comment">// * / \ *</font>00005 <font class="comment">// Created: 7-Jan-97 K.A. Knizhnik * / [] \ *</font>00006 <font class="comment">// Last update: 23-Apr-97 K.A. Knizhnik * GARRET *</font>00007 <font class="comment">//-------------------------------------------------------------------*--------*</font>00008 <font class="comment">// Socket abstraction</font>00009 <font class="comment">//-------------------------------------------------------------------*--------*</font>00010 00011 <font class="preprocessor">#ifndef __SOCKIO_H__</font>00012 <font class="preprocessor"></font><font class="preprocessor">#define __SOCKIO_H__</font>00013 <font class="preprocessor"></font>00014 <font class="preprocessor">#include "stdtp.h"</font>00015 <font class="preprocessor">#include <time.h></font>00016 00017 <font class="preprocessor">#define DEFAULT_CONNECT_MAX_ATTEMPTS 100</font>00018 <font class="preprocessor"></font><font class="preprocessor">#define DEFAULT_RECONNECT_TIMEOUT 1</font>00019 <font class="preprocessor"></font><font class="preprocessor">#define DEFAULT_LISTEN_QUEUE_SIZE 5</font>00020 <font class="preprocessor"></font><font class="preprocessor">#define LINGER_TIME 10</font>00021 <font class="preprocessor"></font><font class="preprocessor">#define WAIT_FOREVER ((time_t)-1)</font>00022 <font class="preprocessor"></font>00023 00024 <font class="preprocessor">#ifndef REPLICATION_SUPPORT</font>00025 <font class="preprocessor"></font><font class="preprocessor">#define SOCK_NO_DELAY 1</font>00026 <font class="preprocessor"></font><font class="preprocessor">#define SOCK_SNDBUF_SIZE 1024*1024</font>00027 <font class="preprocessor"></font><font class="preprocessor">#else</font>00028 <font class="preprocessor"></font><font class="preprocessor">#define SOCK_NO_DELAY 0</font>00029 <font class="preprocessor"></font><font class="preprocessor">#define SOCK_SNDBUF_SIZE 0</font>00030 <font class="preprocessor"></font><font class="preprocessor">#endif</font>00031 <font class="preprocessor"></font>00032 00033 00034 <font class="comment">//</font>00035 <font class="comment">// Abstract socket interface</font>00036 <font class="comment">//</font>00037 <font class="keyword">class </font>FASTDB_DLL_ENTRY socket_t { 00038 <font class="keyword">public</font>: 00039 <font class="keywordtype">bool</font> read(<font class="keywordtype">void</font>* buf, size_t size) { 00040 <font class="keywordflow">return</font> read(buf, size, size) == (int)size;00041 }00042 <font class="keyword">virtual</font> <font class="keywordtype">int</font> read(<font class="keywordtype">void</font>* buf, size_t min_size, size_t max_size, 00043 time_t timeout = WAIT_FOREVER) = 0;00044 <font class="keyword">virtual</font> <font class="keywordtype">bool</font> write(<font class="keywordtype">void</font> <font class="keyword">const</font>* buf, size_t size) = 0;00045 00046 <font class="keyword">virtual</font> <font class="keywordtype">bool</font> is_ok() = 0; 00047 <font class="keyword">virtual</font> <font class="keywordtype">void</font> get_error_text(<font class="keywordtype">char</font>* buf, size_t buf_size) = 0;00048 00049 <font class="comment">//</font>00050 <font class="comment">// This method is called by server to accept client connection</font>00051 <font class="comment">//</font>00052 <font class="keyword">virtual</font> socket_t* accept() = 0;00053 00054 <font class="comment">//</font>00055 <font class="comment">// Cancel accept operation and close socket</font>00056 <font class="comment">//</font>00057 <font class="keyword">virtual</font> <font class="keywordtype">bool</font> cancel_accept() = 0;00058 00059 <font class="comment">//</font>00060 <font class="comment">// Shutdown socket: prohibite write and read operations on socket</font>00061 <font class="comment">//</font>00062 <font class="keyword">virtual</font> <font class="keywordtype">bool</font> shutdown() = 0;00063 00064 <font class="comment">//</font>00065 <font class="comment">// Close socket</font>00066 <font class="comment">//</font>00067 <font class="keyword">virtual</font> <font class="keywordtype">bool</font> close() = 0;00068 00069 <font class="comment">//</font>00070 <font class="comment">// Get socket peer name.</font>00071 <font class="comment">// name is created using new char[]. If perr name can not be obtained NULL</font>00072 <font class="comment">// is returned and errcode is set.</font>00073 <font class="comment">//</font>00074 <font class="keyword">virtual</font> <font class="keywordtype">char</font>* get_peer_name() = 0;00075 00076 <font class="comment">//</font>00077 <font class="comment">// Create client socket connected to local or global server socket</font>00078 <font class="comment">//</font>00079 <font class="keyword">enum</font> socket_domain { 00080 sock_any_domain, <font class="comment">// domain is chosen automatically</font>00081 sock_local_domain, <font class="comment">// local domain (i.e. Unix domain socket) </font>00082 sock_global_domain <font class="comment">// global domain (i.e. INET sockets) </font>00083 };00084 00085 <font class="keyword">static</font> socket_t* connect(<font class="keywordtype">char</font> <font class="keyword">const</font>* address, 00086 socket_domain domain = sock_any_domain, 00087 <font class="keywordtype">int</font> max_attempts = DEFAULT_CONNECT_MAX_ATTEMPTS,00088 time_t timeout = DEFAULT_RECONNECT_TIMEOUT);00089 00090 <font class="comment">//</font>00091 <font class="comment">// Create local domain socket</font>00092 <font class="comment">//</font>00093 <font class="keyword">static</font> socket_t* create_local(<font class="keywordtype">char</font> <font class="keyword">const</font>* address,00094 <font class="keywordtype">int</font> listen_queue_size = 00095 DEFAULT_LISTEN_QUEUE_SIZE);00096 00097 <font class="comment">//</font>00098 <font class="comment">// Create global domain socket </font>00099 <font class="comment">//</font>00100 <font class="keyword">static</font> socket_t* create_global(<font class="keywordtype">char</font> <font class="keyword">const</font>* address,00101 <font class="keywordtype">int</font> listen_queue_size = 00102 DEFAULT_LISTEN_QUEUE_SIZE);00103 00104 <font class="keyword">virtual</font> <font class="keywordtype">int</font> get_handle() = 0;00105 00106 <font class="keyword">virtual</font> ~socket_t() {} 00107 socket_t() { state = ss_close; }00108 00109 <font class="keyword">protected</font>:00110 <font class="keyword">enum</font> { ss_open, ss_shutdown, ss_close } state;00111 };00112 00113 <font class="preprocessor">#endif</font>00114 <font class="preprocessor"></font>00115 00116 </pre></div><hr><address align="right"><small>Generated on Fri Nov 15 21:06:29 2002 for FastDB by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.15 </small></address></body></html>⌨️ 快捷键说明
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