PHP的socket连接到服务端模版,socket服务端
在整理新框架的时候,发现对于一些缓存数据,需要对外的接口访问,而比较方便的是php的接口,所以临时研究了下php如何连接java服务端。
先贴上代码:<span class="pun"></span><span class="pln">php</span>
<span class="pln">require_once </span><span class="str">'CRC16.php'</span><span class="pun">;</span>
<span class="com">/*-----------------------------</span>
<span class="com"> | 向服务器发送数据包</span>
<span class="com"> ------------------------------*/</span>
<span class="kwd">class</span><span class="typ">Server</span><span class="pun">{</span>
<span class="com">//发送数据包</span>
<span class="kwd">public</span><span class="kwd">static</span><span class="kwd">function</span><span class="pln"> sendPacket</span><span class="pun">(</span><span class="pln">$packet</span><span class="pun">,</span><span class="pln"> $host</span><span class="pun">,</span><span class="pln"> $port</span><span class="pun">)</span><span class="pun">{</span>
<span class="pln"> $protocol </span><span class="pun">=</span><span class="str">'tcp'</span><span class="pun">;</span>
<span class="pln"> $get_prot </span><span class="pun">=</span><span class="pln"> getprotobyname </span><span class="pun">(</span><span class="pln"> $protocol </span><span class="pun">);</span>
<span class="com">//创建socket</span>
<span class="pln"> $socket </span><span class="pun">=</span><span class="pln"> socket_create </span><span class="pun">(</span><span class="pln"> AF_INET</span><span class="pun">,</span><span class="pln"> SOCK_STREAM</span><span class="pun">,</span><span class="pln"> $get_prot </span><span class="pun">);</span>
<span class="com">//建立连接</span>
<span class="pln"> $conn </span><span class="pun">=</span><span class="pln"> socket_connect </span><span class="pun">(</span><span class="pln"> $socket</span><span class="pun">,</span><span class="pln"> $host</span><span class="pun">,</span><span class="pln"> $port </span><span class="pun">);</span>
<span class="kwd">if</span><span class="pun">(!</span><span class="pln">$conn</span><span class="pun">){</span>
<span class="pln"> socket_close</span><span class="pun">(</span><span class="pln">$socket</span><span class="pun">);</span>
<span class="kwd">exit</span><span class="pun">(</span><span class="str">"socket connect failed!"</span><span class="pun">);</span>
<span class="pun">}</span>
<span class="pln"> $buffer </span><span class="pun">=</span><span class="lit">@socket_read</span><span class="pun">(</span><span class="pln">$socket</span><span class="pun">,</span><span class="lit">9</span><span class="pun">,</span><span class="pln"> PHP_NORMAL_READ</span><span class="pun">);</span>
<span class="pln"> $crcCode </span><span class="pun">=</span><span class="pun">(</span><span class="pln">ord</span><span class="pun">(</span><span class="pln">$buffer</span><span class="pun">[</span><span class="lit">7</span><span class="pun">])<span class="lit">8</span><span class="pun">)+</span><span class="pln">ord</span><span class="pun">(</span><span class="pln">$buffer</span><span class="pun">[</span><span class="lit">8</span><span class="pun">]);</span></span>
<span class="pln"> $len </span><span class="pun">=</span><span class="pln"> strlen</span><span class="pun">(</span><span class="pln">$packet</span><span class="pun">);</span>
<span class="pln"> $newpacket </span><span class="pun">=</span><span class="pln"> CRC16</span><span class="pun">::</span><span class="pln">encode</span><span class="pun">(</span><span class="pln">$packet</span><span class="pun">,</span><span class="pln"> $crcCode</span><span class="pun">,</span><span class="lit">4</span><span class="pun">);</span>
<span class="pln"> socket_send </span><span class="pun">(</span><span class="pln"> $socket</span><span class="pun">,</span><span class="pln"> $newpacket</span><span class="pun">,</span><span class="pln"> $len</span><span class="pun">,</span><span class="lit">0</span><span class="pun">);</span>
<span class="com">//等待接受</span>
<span class="pln"> $head </span><span class="pun">=</span><span class="lit">@socket_read</span><span class="pun">(</span><span class="pln">$socket</span><span class="pun">,</span><span class="lit">4</span><span class="pun">,</span><span class="pln">PHP_NORMAL_READ</span><span class="pun">);</span>
<span class="pln"> $len </span><span class="pun">=</span><span class="pun">(</span><span class="pln">ord</span><span class="pun">(</span><span class="pln">$head</span><span class="pun">[</span><span class="lit">0</span><span class="pun">])<span class="lit">24</span><span class="pun">)+(</span><span class="pln">ord</span><span class="pun">(</span><span class="pln">$head</span><span class="pun">[</span><span class="lit">1</span><span class="pun">])<span class="lit">16</span><span class="pun">)+(</span><span class="pln">ord</span><span class="pun">(</span><span class="pln">$head</span><span class="pun">[</span><span class="lit">2</span><span class="pun">])<span class="lit">8</span><span class="pun">)+</span><span class="pln">ord</span><span class="pun">(</span><span class="pln">$head</span><span class="pun">[</span><span class="lit">3</span><span class="pun">]);</span></span></span></span>
<span class="pln"> $content </span><span class="pun">=</span><span class="lit">@socket_read</span><span class="pun">(</span><span class="pln">$socket</span><span class="pun">,</span><span class="pln">$len</span><span class="pun">-</span><span class="lit">4</span><span class="pun">,</span><span class="pln">PHP_NORMAL_READ</span><span class="pun">);</span>
<span class="pln"> socket_close </span><span class="pun">(</span><span class="pln"> $socket </span><span class="pun">);</span>
<span class="kwd">return</span><span class="pln"> substr</span><span class="pun">(</span><span class="pln">$content</span><span class="pun">,</span><span class="lit">3</span><span class="pun">);</span>
<span class="pun">}</span>
<span class="kwd">public</span><span class="kwd">static</span><span class="kwd">function</span><span class="pln"> packet</span><span class="pun">(</span><span class="pln">$group</span><span class="pun">,</span><span class="pln">$cmd</span><span class="pun">,</span><span class="pln">$message</span><span class="pun">){</span>
<span class="pln"> $size </span><span class="pun">=</span><span class="pln"> strlen</span><span class="pun">(</span><span class="pln">$message</span><span class="pun">)+</span><span class="lit">8</span><span class="pun">;</span>
<span class="pln"> $str </span><span class="pun">=</span><span class="str">''</span><span class="pun">;</span>
<span class="pln"> $str </span><span class="pun">.=</span><span class="kwd">self</span><span class="pun">::</span><span class="pln">writeInt</span><span class="pun">(</span><span class="pln">$size</span><span class="pun">);</span>
<span class="pln"> $str </span><span class="pun">.=</span><span class="kwd">self</span><span class="pun">::</span><span class="pln">writeByte</span><span class="pun">(</span><span class="lit">0</span><span class="pun">);</span>
<span class="pln"> $str </span><span class="pun">.=</span><span class="kwd">self</span><span class="pun">::</span><span class="pln">writeByte</span><span class="pun">(</span><span class="pln">$group</span><span class="pun">);</span>
<span class="pln"> $str </span><span class="pun">.=</span><span class="kwd">self</span><span class="pun">::</span><span class="pln">writeByte</span><span class="pun">(</span><span class="pln">$cmd</span><span class="pun">);</span>
<span class="pln"> $str </span><span class="pun">.=</span><span class="kwd">self</span><span class="pun">::</span><span class="pln">writeByte</span><span class="pun">(</span><span class="lit">1</span><span class="pun">);</span>
<span class="pln"> $str </span><span class="pun">.=</span><span class="pln"> $message</span><span class="pun">;</span>
<span class="kwd">return</span><span class="pln"> $str</span><span class="pun">;</span>
<span class="pun">}</span>
<span class="com">//写进2个byte的数据</span>
<span class="kwd">private</span><span class="kwd">static</span><span class="kwd">function</span><span class="pln"> writeShort</span><span class="pun">(</span><span class="pln">$s</span><span class="pun">)</span><span class="pun">{</span>
<span class="kwd">return</span><span class="pln"> pack </span><span class="pun">(</span><span class="str">"n"</span><span class="pun">,</span><span class="pln"> $s </span><span class="pun">);</span>
<span class="pun">}</span>
<span class="com">//写进4个byte的数据</span>
<span class="kwd">private</span><span class="kwd">static</span><span class="kwd">function</span><span class="pln"> writeInt</span><span class="pun">(</span><span class="pln">$N</span><span class="pun">)</span><span class="pun">{</span>
<span class="kwd">return</span><span class="pln"> pack </span><span class="pun">(</span><span class="str">"N"</span><span class="pun">,</span><span class="pln"> $N </span><span class="pun">);</span>
<span class="pun">}</span>
<span class="com">//写进1个byte的数据</span>
<span class="kwd">private</span><span class="kwd">static</span><span class="kwd">function</span><span class="pln"> writeByte</span><span class="pun">(</span><span class="pln">$b</span><span class="pun">)</span><span class="pun">{</span>
<span class="kwd">return</span><span class="pln"> pack </span><span class="pun">(</span><span class="str">"c"</span><span class="pun">,</span><span class="pln"> $b </span><span class="pun">);</span>
<span class="pun">}</span>
<span class="pun">}</span>
服务器提供数据缓冲区,并提供一种用户识别机制。以此来给聊天用户双方发送相应的信息。
看似用户与用户之间的通信实质上是用户在与服务器通信。
我的一点理解
查一下端口把
성명
본 글의 내용은 네티즌들의 자발적인 기여로 작성되었으며, 저작권은 원저작자에게 있습니다. 본 사이트는 이에 상응하는 법적 책임을 지지 않습니다. 표절이나 침해가 의심되는 콘텐츠를 발견한 경우 admin@php.cn으로 문의하세요.

핫 AI 도구

Undresser.AI Undress
사실적인 누드 사진을 만들기 위한 AI 기반 앱

AI Clothes Remover
사진에서 옷을 제거하는 온라인 AI 도구입니다.

Undress AI Tool
무료로 이미지를 벗다

Clothoff.io
AI 옷 제거제

AI Hentai Generator
AI Hentai를 무료로 생성하십시오.

인기 기사
R.E.P.O. 에너지 결정과 그들이하는 일 (노란색 크리스탈)
4 몇 주 전By尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. 최고의 그래픽 설정
4 몇 주 전By尊渡假赌尊渡假赌尊渡假赌
어 ass 신 크리드 그림자 : 조개 수수께끼 솔루션
2 몇 주 전ByDDD
R.E.P.O. 아무도들을 수없는 경우 오디오를 수정하는 방법
4 몇 주 전By尊渡假赌尊渡假赌尊渡假赌
WWE 2K25 : Myrise에서 모든 것을 잠금 해제하는 방법
1 몇 달 전By尊渡假赌尊渡假赌尊渡假赌

뜨거운 도구

Atom Editor Mac 버전 다운로드
가장 인기 있는 오픈 소스 편집기

메모장++7.3.1
사용하기 쉬운 무료 코드 편집기

ZendStudio 13.5.1 맥
강력한 PHP 통합 개발 환경

VSCode Windows 64비트 다운로드
Microsoft에서 출시한 강력한 무료 IDE 편집기

WebStorm Mac 버전
유용한 JavaScript 개발 도구
