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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 1.2.18 --><center><a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; </center><hr><h1>sockio.h</h1><div class="fragment"><pre>00001 <span class="comment">//-&lt; SOCKIO.H &gt;------------------------------------------------------*--------*</span>00002 <span class="comment">// FastDB                    Version 1.0         (c) 1999  GARRET    *     ?  *</span>00003 <span class="comment">// (Main Memory Database Management System)                          *   /\|  *</span>00004 <span class="comment">//                                                                   *  /  \  *</span>00005 <span class="comment">//                          Created:      7-Jan-97    K.A. Knizhnik  * / [] \ *</span>00006 <span class="comment">//                          Last update: 23-Apr-97    K.A. Knizhnik  * GARRET *</span>00007 <span class="comment">//-------------------------------------------------------------------*--------*</span>00008 <span class="comment">// Socket abstraction</span>00009 <span class="comment">//-------------------------------------------------------------------*--------*</span>00010 00011 <span class="preprocessor">#ifndef __SOCKIO_H__</span>00012 <span class="preprocessor"></span><span class="preprocessor">#define __SOCKIO_H__</span>00013 <span class="preprocessor"></span>00014 <span class="preprocessor">#include "stdtp.h"</span>00015 00016 BEGIN_FASTDB_NAMESPACE00017 00018 <span class="preprocessor">#define DEFAULT_CONNECT_MAX_ATTEMPTS 100</span>00019 <span class="preprocessor"></span><span class="preprocessor">#define DEFAULT_RECONNECT_TIMEOUT    1</span>00020 <span class="preprocessor"></span><span class="preprocessor">#define DEFAULT_LISTEN_QUEUE_SIZE    5</span>00021 <span class="preprocessor"></span><span class="preprocessor">#define WAIT_FOREVER                 ((time_t)-1)</span>00022 <span class="preprocessor"></span>00023 <span class="preprocessor">#ifndef LINGER_TIME</span>00024 <span class="preprocessor"></span><span class="preprocessor">#define LINGER_TIME                  10</span>00025 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00026 <span class="preprocessor"></span>00027 <span class="preprocessor">#ifndef SOCK_NO_DELAY </span>00028 <span class="preprocessor"></span><span class="preprocessor">#ifndef REPLICATION_SUPPORT</span>00029 <span class="preprocessor"></span><span class="preprocessor">#define SOCK_NO_DELAY                1</span>00030 <span class="preprocessor"></span><span class="preprocessor">#else</span>00031 <span class="preprocessor"></span><span class="preprocessor">#define SOCK_NO_DELAY                0</span>00032 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00033 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00034 <span class="preprocessor"></span>00035 <span class="preprocessor">#ifndef SOCK_SNDBUF_SIZE</span>00036 <span class="preprocessor"></span><span class="preprocessor">#define SOCK_SNDBUF_SIZE             0</span>00037 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00038 <span class="preprocessor"></span>00039 <span class="preprocessor">#ifndef SOCK_LINGER</span>00040 <span class="preprocessor"></span><span class="preprocessor">#define SOCK_LINGER                  0</span>00041 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00042 <span class="preprocessor"></span>00043 00044 <span class="comment">//</span>00045 <span class="comment">// Abstract socket interface</span>00046 <span class="comment">//</span>00047 <span class="keyword">class </span>FASTDB_DLL_ENTRY socket_t { 00048   <span class="keyword">public</span>: 00049     <span class="keywordtype">bool</span>              read(<span class="keywordtype">void</span>* buf, size_t size) { 00050         <span class="keywordflow">return</span> read(buf, size, size) == (int)size;00051     }00052     <span class="keyword">virtual</span> <span class="keywordtype">int</span>       read(<span class="keywordtype">void</span>* buf, size_t min_size, size_t max_size, 00053                            time_t timeout = WAIT_FOREVER) = 0;00054     <span class="keyword">virtual</span> <span class="keywordtype">bool</span>      write(<span class="keywordtype">void</span> <span class="keyword">const</span>* buf, size_t size) = 0;00055 00056     <span class="keyword">virtual</span> <span class="keywordtype">bool</span>      is_ok() = 0; 00057     <span class="keyword">virtual</span> <span class="keywordtype">void</span>      get_error_text(<span class="keywordtype">char</span>* buf, size_t buf_size) = 0;00058 00059     <span class="comment">//</span>00060     <span class="comment">// This method is called by server to accept client connection</span>00061     <span class="comment">//</span>00062     <span class="keyword">virtual</span> socket_t* accept() = 0;00063 00064     <span class="comment">//</span>00065     <span class="comment">// Cancel accept operation and close socket</span>00066     <span class="comment">//</span>00067     <span class="keyword">virtual</span> <span class="keywordtype">bool</span>      cancel_accept() = 0;00068 00069     <span class="comment">//</span>00070     <span class="comment">// Shutdown socket: prohibite write and read operations on socket</span>00071     <span class="comment">//</span>00072     <span class="keyword">virtual</span> <span class="keywordtype">bool</span>      shutdown() = 0;00073 00074     <span class="comment">//</span>00075     <span class="comment">// Close socket</span>00076     <span class="comment">//</span>00077     <span class="keyword">virtual</span> <span class="keywordtype">bool</span>      close() = 0;00078 00079     <span class="comment">//</span>00080     <span class="comment">// Get socket peer name.</span>00081     <span class="comment">// name is created using new char[]. If perr name can not be obtained NULL</span>00082     <span class="comment">// is returned and errcode is set.</span>00083     <span class="comment">//</span>00084     <span class="keyword">virtual</span> <span class="keywordtype">char</span>*     get_peer_name() = 0;00085 00086     <span class="comment">//</span>00087     <span class="comment">// Create client socket connected to local or global server socket</span>00088     <span class="comment">//</span>00089     <span class="keyword">enum</span> socket_domain { 00090         sock_any_domain,   <span class="comment">// domain is chosen automatically</span>00091         sock_local_domain, <span class="comment">// local domain (i.e. Unix domain socket) </span>00092         sock_global_domain <span class="comment">// global domain (i.e. INET sockets) </span>00093     };00094 00095     <span class="keyword">static</span> socket_t*  connect(<span class="keywordtype">char</span> <span class="keyword">const</span>* address, 00096                               socket_domain domain = sock_any_domain, 00097                               <span class="keywordtype">int</span> max_attempts = DEFAULT_CONNECT_MAX_ATTEMPTS,00098                               time_t timeout = DEFAULT_RECONNECT_TIMEOUT);00099     00100     <span class="comment">//</span>00101     <span class="comment">// Create local domain socket</span>00102     <span class="comment">//</span>00103     <span class="keyword">static</span> socket_t*  create_local(<span class="keywordtype">char</span> <span class="keyword">const</span>* address,00104                                    <span class="keywordtype">int</span> listen_queue_size = 00105                                        DEFAULT_LISTEN_QUEUE_SIZE);00106 00107     <span class="comment">//</span>00108     <span class="comment">// Create global domain socket </span>00109     <span class="comment">//</span>00110     <span class="keyword">static</span> socket_t*  create_global(<span class="keywordtype">char</span> <span class="keyword">const</span>* address,00111                                    <span class="keywordtype">int</span> listen_queue_size = 00112                                        DEFAULT_LISTEN_QUEUE_SIZE);00113 00114     <span class="keyword">virtual</span> <span class="keywordtype">int</span> get_handle() = 0;00115 00116     <span class="keyword">virtual</span> ~socket_t() {} 00117     socket_t() { state = ss_close; }00118 00119   <span class="keyword">protected</span>:00120     <span class="keyword">enum</span> { ss_open, ss_shutdown, ss_close } state;00121 };00122 00123 END_FASTDB_NAMESPACE00124 00125 <span class="preprocessor">#endif</span>00126 <span class="preprocessor"></span>00127 00128 </pre></div><hr><address style="align: right;"><small>Generated on Mon Oct 23 13:23:58 2006 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>1.2.18 </small></address></body></html>
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