Async Server - Provide an option to start reactor outside StartTcpServer function

[dhoomakethu]

Versions

• Python: 2.7 - 3.x
• OS: NA
• Pymodbus: 1.4.0
• Modbus Hardware (if used): NA

Pymodbus Specific

• Server: tcp/rtu/ascii -async

Description

reactor.run() is invoked as part of StartTcpServer, StartUdpServer, StartSerialServer when running async servers. An option to be provided to defer reactor.run() call so that it could be called at some other place .

Reported/Suggested by @memetb on gitter

[dhoomakethu]

Fixed as part of v.1.5.0, refer releases or dev branch