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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#pragma once
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#include "../acl_cpp_define.hpp"
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#include "../stdlib/noncopyable.hpp"
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#include <map>
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#if !defined(ACL_CLIENT_ONLY) && !defined(ACL_BEANSTALK_DISABLE)
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namespace acl {
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class beanstalk;
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class locker;
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/**
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* beanstalk 客户端连接池，可以同时连接不同的 beanstalkd 服务器，
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* 每个 beanstalkd 有多个连接，内部自动加锁；但不控制连接数限制，
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* 用户应自行控制连接池的最大连接上限
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*/
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class ACL_CPP_API beanstalk_pool : public noncopyable
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{
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public:
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beanstalk_pool();
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~beanstalk_pool();
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/**
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* 从连接池中取得一个 beanstalkd 的客户端连接
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* @param addr {const char*} beanstalkd 服务地址(domain:port)
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* @param clean_watch {bool} 在取得连接对象后是否自动取消所有的
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* 已关注队列
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* @param conn_timeout {int} 连接 beanstalkd 的超时时间
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* @return {beanstalk*} 返回非空表示正常，否则表示出错
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*/
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beanstalk* peek(const char* addr, bool clean_watch = true,
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int conn_timeout = 60);
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/**
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* 将不用的 beanstalkd 连接放回到连接池中
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* @param client {beanstalk*} beanstalkd 客户端连接
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* @param clean_watch {bool} 是否取消已经关注的队列
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* @param keep {bool} 如果为 true 则将 client 放回至连接池，
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* 否则释放该连接
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*/
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void put(beanstalk* client, bool clean_watch = true,
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bool keep = true);
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private:
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locker* lock_;
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typedef std::multimap<string, beanstalk*> bspool;
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typedef bspool::const_iterator pool_cit;
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typedef bspool::iterator pool_it;
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typedef std::pair<pool_it, pool_it> pool_range;
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bspool pool_;
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};
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} // namespace acl
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#endif // !defined(ACL_CLIENT_ONLY) && !defined(ACL_BEANSTALK_DISABLE)
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