unisock_8h-source.html
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<hr><h1>unisock.h</h1><div class="fragment"><pre>00001 <span class="comment">//-< UNISOCK.H >-----------------------------------------------------*--------*</span>
00002 <span class="comment">// FastDB Version 1.0 (c) 1997 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: 7-Jan-97 K.A. Knizhnik * GARRET *</span>
00007 <span class="comment">//-------------------------------------------------------------------*--------*</span>
00008 <span class="comment">// Unix socket </span>
00009 <span class="comment">//-------------------------------------------------------------------*--------*</span>
00010
00011 <span class="preprocessor">#ifndef __UNISOCK_H__</span>
00012 <span class="preprocessor"></span><span class="preprocessor">#define __UNISOCK_H__</span>
00013 <span class="preprocessor"></span>
00014 <span class="preprocessor">#include "sockio.h"</span>
00015
00016 BEGIN_FASTDB_NAMESPACE
00017
00018 <span class="keyword">class </span>unix_socket : <span class="keyword">public</span> socket_t {
00019 <span class="keyword">protected</span>:
00020 <span class="keywordtype">int</span> fd;
00021 <span class="keywordtype">int</span> errcode; <span class="comment">// error code of last failed operation </span>
00022 <span class="keywordtype">char</span>* address; <span class="comment">// host address</span>
00023 socket_domain domain; <span class="comment">// Unix domain or INET socket</span>
00024 <span class="keywordtype">bool</span> create_file; <span class="comment">// Unix domain sockets use files for connection</span>
00025
00026 <span class="keyword">enum</span> error_codes {
00027 ok = 0,
00028 not_opened = -1,
00029 bad_address = -2,
00030 connection_failed = -3,
00031 broken_pipe = -4,
00032 invalid_access_mode = -5
00033 };
00034
00035 <span class="keyword">public</span>:
00036 <span class="comment">//</span>
00037 <span class="comment">// Directory for Unix Domain socket files. This directory should be </span>
00038 <span class="comment">// either empty or be terminated with "/". Dafault value is "/tmp/"</span>
00039 <span class="comment">//</span>
00040 <span class="keyword">static</span> <span class="keywordtype">char</span>* unix_socket_dir;
00041
00042 <span class="keywordtype">bool</span> open(<span class="keywordtype">int</span> listen_queue_size);
00043 <span class="keywordtype">bool</span> connect(<span class="keywordtype">int</span> max_attempts, time_t timeout);
00044
00045 <span class="keywordtype">int</span> read(<span class="keywordtype">void</span>* buf, size_t min_size, size_t max_size, time_t timeout);
00046 <span class="keywordtype">bool</span> write(<span class="keywordtype">void</span> <span class="keyword">const</span>* buf, size_t size, time_t timeout);
00047
00048 <span class="keywordtype">bool</span> is_ok();
00049 <span class="keywordtype">bool</span> shutdown();
00050 <span class="keywordtype">bool</span> close();
00051 <span class="keywordtype">char</span>* get_peer_name();
00052 <span class="keywordtype">void</span> get_error_text(<span class="keywordtype">char</span>* buf, size_t buf_size);
00053
00054 socket_t* accept();
00055 <span class="keywordtype">bool</span> cancel_accept();
00056
00057 <span class="keywordtype">int</span> get_handle();
00058
00059 unix_socket(<span class="keyword">const</span> <span class="keywordtype">char</span>* address, socket_domain domain);
00060 unix_socket(<span class="keywordtype">int</span> new_fd);
00061
00062 ~unix_socket();
00063 };
00064
00065 END_FASTDB_NAMESPACE
00066
00067 <span class="preprocessor">#endif</span>
00068 <span class="preprocessor"></span>
00069
00070
00071
00072
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