A DynamicSupervisor responsible for managing gRPC client connections (GRPC.Client.Connection).

This supervisor allows you to dynamically start and stop gRPC client connections at runtime. Each connection is run as a separate GenServer under this supervisor, which ensures proper supervision and isolation between connections.

Starting the Supervisor

Typically, you start this supervisor as part of your application's supervision tree:

children = [
  {GRPC.Client.Supervisor, []}
]

opts = [strategy: :one_for_one, name: MyApp.Supervisor]
Supervisor.start_link(children, opts)

You can also start it manually in scripts or test environments:

{:ok, _pid} = DynamicSupervisor.start_link(strategy: :one_for_one, name: GRPC.Client.Supervisor)

Supervision Strategy

This supervisor uses :one_for_one strategy:

• If a connection process crashes, only that process is restarted.
• Other running connections remain unaffected.

Establishing a gRPC Connection

To create a new gRPC connection, you typically use the GRPC.Stub.connect/1 function, which internally starts a GRPC.Client.Connection process under this supervisor. For example:

iex> {:ok, ch} = GRPC.Stub.connect("127.0.0.1:50051")
iex> Grpc.Testing.TestService.Stub.empty_call(ch, %{})

Notes

• You can dynamically start multiple connections under the supervisor for different targets.
• Each connection runs in isolation as its own GenServer.