use boost optional

Author: stuqdog

src/viam/examples/modules/complex/proto/buf.lock

@@ -4,5 +4,5 @@ deps:
   - remote: buf.build
     owner: googleapis
     repository: googleapis
-    commit: 751cbe31638d43a9bfb6162cd2352e67
-    digest: shake256:87f55470d9d124e2d1dedfe0231221f4ed7efbc55bc5268917c678e2d9b9c41573a7f9a557f6d8539044524d9fc5ca8fbb7db05eb81379d168285d76b57eb8a4
+    commit: 61b203b9a9164be9a834f58c37be6f62
+    digest: shake256:e619113001d6e284ee8a92b1561e5d4ea89a47b28bf0410815cb2fa23914df8be9f1a6a98dcf069f5bc2d829a2cfb1ac614863be45cd4f8a5ad8606c5f200224

src/viam/sdk/module/service.cpp

@@ -74,8 +74,7 @@ struct ModuleService::ServiceImpl : viam::module::v1::ModuleService::Service {
             }
         };
         try {
-            auto deadline = ctx->deadline();
-            parent.server_->add_resource(res, &deadline);
+            parent.server_->add_resource(res, ctx->deadline());
         } catch (const std::exception& exc) {
             return grpc::Status(::grpc::INTERNAL, exc.what());
         }

src/viam/sdk/rpc/server.cpp

@@ -51,11 +51,11 @@ bool deadline_exceeded(const std::chrono::system_clock::time_point& deadline) {
 }  // namespace
 
 void Server::add_resource(std::shared_ptr<Resource> resource) {
-    add_resource(std::move(resource), nullptr);
+    add_resource(std::move(resource), boost::none);
 }
 
 void Server::add_resource(std::shared_ptr<Resource> resource,
-                          std::chrono::system_clock::time_point* deadline) {
+                          boost::optional<std::chrono::system_clock::time_point> deadline) {
     if (deadline && deadline_exceeded(*deadline)) {
         throw Exception(ErrorCondition::k_general, "Deadline expired");
     }

src/viam/sdk/rpc/server.hpp

@@ -56,7 +56,7 @@ class Server {
     /// @throws `Exception` if a matching `ResourceServer` doesn't exist in the server.
     /// @throws `Exception` if the deadline is not nil and has passed
     void add_resource(std::shared_ptr<Resource> resource,
-                      std::chrono::system_clock::time_point* deadline);
+                      boost::optional<std::chrono::system_clock::time_point> deadline);
 
     /// @brief Adds a listening port to the server.
     /// @param address The address to listen at.