168 lines
4.4 KiB
Lua
168 lines
4.4 KiB
Lua
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--[[
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@module libnet
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@summary libnet 在socket库基础上的同步阻塞api,socket库本身是异步非阻塞api
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@version 1.0
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@date 2023.03.16
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@author lisiqi
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]]
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local libnet = {}
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--[[
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阻塞等待网卡的网络连接上,只能用于sysplus.taskInitEx创建的任务函数中
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@api libnet.waitLink(taskName,timeout,...)
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@string 任务标志
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@int 超时时间,如果==0或者空,则没有超时一致等待
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@... 其他参数和socket.linkup一致
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@return boolean 失败或者超时返回false 成功返回true
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]]
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function libnet.waitLink(taskName, timeout, ...)
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local succ, result = socket.linkup(...)
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if not succ then
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return false
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end
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if not result then
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result = sysplus.waitMsg(taskName, socket.LINK, timeout)
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else
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return true
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end
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if type(result) == 'table' and result[2] == 0 then
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return true
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else
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return false
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end
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end
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--[[
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阻塞等待IP或者域名连接上,如果加密连接还要等握手完成,只能用于sysplus.taskInitEx创建的任务函数中
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@api libnet.connect(taskName,timeout,...)
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@string 任务标志
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@int 超时时间,如果==0或者空,则没有超时一致等待
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@... 其他参数和socket.connect一致
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@return boolean 失败或者超时返回false 成功返回true
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]]
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function libnet.connect(taskName,timeout, ... )
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local succ, result = socket.connect(...)
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if not succ then
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return false
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end
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if not result then
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result = sysplus.waitMsg(taskName, socket.ON_LINE, timeout)
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else
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return true
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end
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if type(result) == 'table' and result[2] == 0 then
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return true
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else
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return false
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end
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end
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--[[
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阻塞等待客户端连接上,只能用于sysplus.taskInitEx创建的任务函数中
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@api libnet.listen(taskName,timeout,...)
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@string 任务标志
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@int 超时时间,如果==0或者空,则没有超时一致等待
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@... 其他参数和socket.listen一致
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@return boolean 失败或者超时返回false 成功返回true
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]]
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function libnet.listen(taskName,timeout, ... )
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local succ, result = socket.listen(...)
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if not succ then
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return false
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end
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if not result then
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result = sysplus.waitMsg(taskName, socket.ON_LINE, timeout)
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else
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return true
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end
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if type(result) == 'table' and result[2] == 0 then
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return true
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else
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return false
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end
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end
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--[[
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阻塞等待数据发送完成,只能用于sysplus.taskInitEx创建的任务函数中
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@api libnet.tx(taskName,timeout,...)
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@string 任务标志
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@int 超时时间,如果==0或者空,则没有超时一直等待
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@... 其他参数和socket.tx一致
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@return boolean 失败或者超时返回false,缓冲区满了或者成功返回true
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@return boolean 缓存区是否满了
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]]
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function libnet.tx(taskName,timeout, ...)
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local succ, is_full, result = socket.tx(...)
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if not succ then
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return false, is_full
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end
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if is_full then
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return true, true
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end
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if not result then
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result = sysplus.waitMsg(taskName, socket.TX_OK, timeout)
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else
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return true, is_full
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end
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if type(result) == 'table' and result[2] == 0 then
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return true, false
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else
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return false, is_full
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end
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end
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--[[
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阻塞等待新的网络事件,只能用于sysplus.taskInitEx创建的任务函数中,可以通过sysplus.sendMsg(taskName,socket.EVENT,0)或者sys_send(taskName,socket.EVENT,0)强制退出
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@api libnet.wait(taskName,timeout, netc)
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@string 任务标志
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@int 超时时间,如果==0或者空,则没有超时一致等待
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@userdata socket.create返回的netc
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@return boolean 网络异常返回false,其他返回true
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@return boolean 超时返回false,有新的网络事件到返回true
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]]
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function libnet.wait(taskName,timeout, netc)
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local succ, result = socket.wait(netc)
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if not succ then
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return false,false
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end
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if not result then
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result = sysplus.waitMsg(taskName, socket.EVENT, timeout)
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else
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return true,true
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end
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if type(result) == 'table' then
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if result[2] == 0 then
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return true, true
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else
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return false, false
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end
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else
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return true, false
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end
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end
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--[[
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阻塞等待网络断开连接,只能用于sysplus.taskInitEx创建的任务函数中
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@api libnet.close(taskName,timeout, netc)
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@string 任务标志
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@int 超时时间,如果==0或者空,则没有超时一致等待
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@userdata socket.create返回的netc
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]]
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function libnet.close(taskName,timeout, netc)
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local succ, result = socket.discon(netc)
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if not succ then
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socket.close(netc)
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return
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end
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if not result then
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result = sysplus.waitMsg(taskName, socket.CLOSED, timeout)
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else
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socket.close(netc)
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return
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end
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socket.close(netc)
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end
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return libnet
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