1 files changed, 41 insertions, 0 deletions
diff --git a/fcp/client/cache/cache_manifest.proto b/fcp/client/cache/cache_manifest.proto
new file mode 100644
index 0000000..8a4ff29
--- /dev/null
+++ b/fcp/client/cache/cache_manifest.proto
@@ -0,0 +1,41 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package fcp.client.cache;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option java_package = "com.google.intelligence.fcp.client";
+option java_multiple_files = true;
+
+// Maps cache IDs to CachedResource protos containing metadata and
+// the file name of the cached resource.
+message CacheManifest {
+  // A map of `cache_id` to `CachedResource`.
+  map<string, CachedResource> cache = 1;
+}
+
+message CachedResource {
+  // Name of the file holding the cached resource.
+  string file_name = 1;
+  // Serialized metadata proto. This proto should be small.
+  google.protobuf.Any metadata = 2;
+  // Timestamp of when the cached resource should be deleted.
+  google.protobuf.Timestamp expiry_time = 3;
+  // Timestamp of when the cached resource was last accessed.
+  google.protobuf.Timestamp last_accessed_time = 4;
+}