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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2021/05/04 06:35:19 UTC
[GitHub] [apisix] zhangwenjian opened a new issue #4177: request help: I need tcp upstream connection result as a response to tcp client
zhangwenjian opened a new issue #4177:
URL: https://github.com/apache/apisix/issues/4177
### Issue description
I use openresty as my tcp protocol gateway, you can imagine that is a rdp gateway.
The tcp client will send final server ip address after connected with gateway, and the balancer_by_lua_block will call set_current_peer to set the assigned server ip address as final backend. Then I need to response to the client that server is connected successfully or failed. But after set_current_peer returns, I don't known whether final backend server can be connected. How do to get the result and notify my client?
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[GitHub] [apisix] spacewander commented on issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #4177:
URL: https://github.com/apache/apisix/issues/4177#issuecomment-831949015
I have been heard some people did it before. Unfortunately, there is no open source code AFAIK.
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[GitHub] [apisix] zhangwenjian edited a comment on issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
zhangwenjian edited a comment on issue #4177:
URL: https://github.com/apache/apisix/issues/4177#issuecomment-831877364
to spacewander: The solution based on ngx.socket.tcp is to overide the default implemention of upstream connection in nginx? My tcp connection to upstream server will be kept running, not for every request. Is there any open source code for reference?
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[GitHub] [apisix] spacewander commented on issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #4177:
URL: https://github.com/apache/apisix/issues/4177#issuecomment-884183246
The answer is yes.
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[GitHub] [apisix] zhangwenjian commented on issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
zhangwenjian commented on issue #4177:
URL: https://github.com/apache/apisix/issues/4177#issuecomment-832369480
Someone suggests to write a nginx c module to realize a own tcp protocol gateway. Actually, the core logic of my gateway is very simple, do I need to write a new full nginx stream module?
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[GitHub] [apisix] spacewander closed issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
spacewander closed issue #4177:
URL: https://github.com/apache/apisix/issues/4177
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[GitHub] [apisix] spacewander commented on issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #4177:
URL: https://github.com/apache/apisix/issues/4177#issuecomment-831722705
This feature is not supported by Nginx's stream subsystem's proxy_pass.
But you can implement the proxy feature in Lua via `ngx.socket.tcp` and achieve it.
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[GitHub] [apisix] zhangwenjian commented on issue #4177: request help: I need tcp upstream connection result as a response to tcp client
Posted by GitBox <gi...@apache.org>.
zhangwenjian commented on issue #4177:
URL: https://github.com/apache/apisix/issues/4177#issuecomment-831877364
to spacewander: The solution based on ngx.socket.tcp is to overide the default implemention of upstream connection in nginx? Is there any open source code for reference?
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