use grpcchannel alias in public headers

Author: lia-viam

src/viam/sdk/module/module.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <viam/sdk/common/grpc_client_fwd.hpp>
 #include <viam/sdk/module/handler_map.hpp>
 #include <viam/sdk/resource/resource.hpp>
 #include <viam/sdk/resource/resource_manager.hpp>
@@ -18,14 +19,14 @@ class Module {
     bool ready() const;
     const HandlerMap_& handles() const;
     HandlerMap_& mutable_handles();
-    const std::shared_ptr<grpc::Channel>& channel() const;
+    const std::shared_ptr<GrpcChannel>& channel() const;
 
    private:
     std::string name_;
     std::string addr_;
     bool ready_;
     HandlerMap_ handles_;
-    std::shared_ptr<grpc::Channel> channel_;
+    std::shared_ptr<GrpcChannel> channel_;
 };
 
 }  // namespace sdk

src/viam/sdk/registry/registry.hpp

@@ -10,19 +10,14 @@
 #include <grpcpp/impl/service_type.h>
 #include <grpcpp/server.h>
 
+#include <viam/sdk/common/grpc_client_fwd.hpp>
 #include <viam/sdk/config/resource.hpp>
 #include <viam/sdk/resource/resource.hpp>
 #include <viam/sdk/resource/resource_api.hpp>
 #include <viam/sdk/resource/resource_manager.hpp>
 #include <viam/sdk/resource/resource_server_base.hpp>
 #include <viam/sdk/rpc/server.hpp>
 
-namespace grpc {
-
-class Channel;
-
-}
-
 namespace viam {
 namespace sdk {
 
@@ -60,7 +55,7 @@ class ResourceClientRegistration {
     /// @param channel A channel connected to the client.
     /// @return A `shared_ptr` to the resource client.
     virtual std::shared_ptr<Resource> create_rpc_client(
-        std::string name, std::shared_ptr<grpc::Channel> channel) const = 0;
+        std::string name, std::shared_ptr<GrpcChannel> channel) const = 0;
 };
 
 // TODO(RSDK-6616): instead of std::functions, consider making these functions
@@ -130,7 +125,7 @@ class Registry {
             using ResourceClientRegistration::ResourceClientRegistration;
 
             std::shared_ptr<Resource> create_rpc_client(
-                std::string name, std::shared_ptr<grpc::Channel> chan) const override {
+                std::string name, std::shared_ptr<GrpcChannel> chan) const override {
                 return std::make_shared<ResourceClientT>(std::move(name), std::move(chan));
             }
         };

src/viam/sdk/robot/client.hpp

@@ -6,6 +6,7 @@
 #include <string>
 #include <thread>
 
+#include <viam/sdk/common/grpc_client_fwd.hpp>
 #include <viam/sdk/common/pose.hpp>
 #include <viam/sdk/common/utils.hpp>
 #include <viam/sdk/common/world_state.hpp>
@@ -148,7 +149,7 @@ class RobotClient {
     std::vector<std::shared_ptr<std::thread>> threads_;
     std::atomic<bool> should_refresh_;
     unsigned int refresh_interval_;
-    std::shared_ptr<grpc::Channel> channel_;
+    std::shared_ptr<GrpcChannel> channel_;
     std::shared_ptr<ViamChannel> viam_channel_;
     bool should_close_channel_;
     struct impl;

src/viam/sdk/rpc/dial.hpp

@@ -5,11 +5,7 @@
 
 #include <boost/optional.hpp>
 
-namespace grpc {
-
-class Channel;
-
-}
+#include <viam/sdk/common/grpc_client_fwd.hpp>
 
 namespace viam {
 namespace sdk {
@@ -18,14 +14,14 @@ class DialOptions;
 class ViamChannel {
    public:
     void close();
-    ViamChannel(std::shared_ptr<grpc::Channel> channel, const char* path, void* runtime);
+    ViamChannel(std::shared_ptr<GrpcChannel> channel, const char* path, void* runtime);
     static std::shared_ptr<ViamChannel> dial(const char* uri,
                                              const boost::optional<DialOptions>& options);
 
-    const std::shared_ptr<grpc::Channel>& channel() const;
+    const std::shared_ptr<GrpcChannel>& channel() const;
 
    private:
-    std::shared_ptr<grpc::Channel> channel_;
+    std::shared_ptr<GrpcChannel> channel_;
     const char* path_;
     bool closed_;
     void* rust_runtime_;