tcp_proxy: convert TCP proxy to use TCP connection pool #4066
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Converts TcpProxy::Filter and WebSocket::WsHandlerImpl to use Tcp::ConnectionPool to obtain connections. Much of the stats handling and connection timeouts are handled by the connection pool. Stats were manually verified by comparing stats produced by the tcp_proxy_integration_test with and without the connection pool change. This reapplies an earlier changed reverted due to envoyproxy#4043. That bug is fixed by performing the connection pools state management before forwarding callbacks. *Risk Level*: medium *Testing*: unit/integration testing *Docs Changes*: n/a *Release Notes*: n/a *Fixes*: envoyproxy#4043 Signed-off-by: Stephan Zuercher <stephan@turbinelabs.io>
…arding callbacks and tracking whether the connection has been invalidated or not (allowing the callback to use the connection to e.g., obtain a dispatcher). Signed-off-by: Stephan Zuercher <stephan@turbinelabs.io>
zuercher
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Converts TcpProxy::Filter and WebSocket::WsHandlerImpl to use Tcp::ConnectionPool to obtain connections. Much of the stats handling and connection timeouts are handled by the connection pool. Stats were manually verified by comparing stats produced by the tcp_proxy_integration_test with and without the connection pool change. This reapplies an earlier changed reverted due to envoyproxy#4066. That bug is fixed by performing the connection pools state management before forwarding callbacks. *Risk Level*: medium *Testing*: unit/integration testing *Docs Changes*: n/a *Release Notes*: n/a *Fixes*: envoyproxy#4066 Signed-off-by: Stephan Zuercher <stephan@turbinelabs.io>
zuercher
added a commit
to turbinelabs/envoy
that referenced
this pull request
Aug 6, 2018
…arding callbacks and tracking whether the connection has been invalidated or not (allowing the callback to use the connection to e.g., obtain a dispatcher). Signed-off-by: Stephan Zuercher <stephan@turbinelabs.io>
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Converts TcpProxy::Filter and WebSocket::WsHandlerImpl to use
Tcp::ConnectionPool to obtain connections. Much of the stats
handling and connection timeouts are handled by the connection
pool.
Stats were manually verified by comparing stats produced by
the tcp_proxy_integration_test with and without the connection
pool change.
This reapplies an earlier changed reverted due to #4043. That
bug is fixed by performing the connection pools state management
before forwarding callbacks.
Risk Level: medium
Testing: unit/integration testing
Docs Changes: n/a
Release Notes: n/a
Fixes: #4043
Signed-off-by: Stephan Zuercher stephan@turbinelabs.io