| // Copyright 2020 Google LLC. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package internal |
| |
| import ( |
| "google.golang.org/grpc" |
| ) |
| |
| // ConnPool is a pool of grpc.ClientConns. |
| type ConnPool interface { |
| // Conn returns a ClientConn from the pool. |
| // |
| // Conns aren't returned to the pool. |
| Conn() *grpc.ClientConn |
| |
| // Num returns the number of connections in the pool. |
| // |
| // It will always return the same value. |
| Num() int |
| |
| // Close closes every ClientConn in the pool. |
| // |
| // The error returned by Close may be a single error or multiple errors. |
| Close() error |
| |
| // ConnPool implements grpc.ClientConnInterface to enable it to be used directly with generated proto stubs. |
| grpc.ClientConnInterface |
| } |