[Misc] Add necessary things for privacy (#33078)

src/core/lib/experiments/experiments.cc

@@ -62,6 +62,10 @@ const char* const description_event_engine_dns =
     "If set, use EventEngine DNSResolver for client channel resolution";
 const char* const description_work_stealing =
     "If set, use a work stealing thread pool implementation in EventEngine";
+const char* const description_client_privacy = "If set, client privacy";
+const char* const description_canary_client_privacy =
+    "If set, canary client privacy";
+const char* const description_server_privacy = "If set, server privacy";
 }  // namespace
 
 namespace grpc_core {
@@ -91,6 +95,9 @@ const ExperimentMetadata g_experiment_metadata[] = {
     {"trace_record_callops", description_trace_record_callops, false, true},
     {"event_engine_dns", description_event_engine_dns, false, false},
     {"work_stealing", description_work_stealing, false, false},
+    {"client_privacy", description_client_privacy, false, false},
+    {"canary_client_privacy", description_canary_client_privacy, false, false},
+    {"server_privacy", description_server_privacy, false, false},
 };
 
 }  // namespace grpc_core

src/core/lib/experiments/experiments.h

@@ -76,6 +76,9 @@ inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
 inline bool IsTraceRecordCallopsEnabled() { return false; }
 inline bool IsEventEngineDnsEnabled() { return false; }
 inline bool IsWorkStealingEnabled() { return false; }
+inline bool IsClientPrivacyEnabled() { return false; }
+inline bool IsCanaryClientPrivacyEnabled() { return false; }
+inline bool IsServerPrivacyEnabled() { return false; }
 #else
 #define GRPC_EXPERIMENT_IS_INCLUDED_TCP_FRAME_SIZE_TUNING
 inline bool IsTcpFrameSizeTuningEnabled() { return IsExperimentEnabled(0); }
@@ -121,8 +124,14 @@ inline bool IsTraceRecordCallopsEnabled() { return IsExperimentEnabled(14); }
 inline bool IsEventEngineDnsEnabled() { return IsExperimentEnabled(15); }
 #define GRPC_EXPERIMENT_IS_INCLUDED_WORK_STEALING
 inline bool IsWorkStealingEnabled() { return IsExperimentEnabled(16); }
+#define GRPC_EXPERIMENT_IS_INCLUDED_CLIENT_PRIVACY
+inline bool IsClientPrivacyEnabled() { return IsExperimentEnabled(17); }
+#define GRPC_EXPERIMENT_IS_INCLUDED_CANARY_CLIENT_PRIVACY
+inline bool IsCanaryClientPrivacyEnabled() { return IsExperimentEnabled(18); }
+#define GRPC_EXPERIMENT_IS_INCLUDED_SERVER_PRIVACY
+inline bool IsServerPrivacyEnabled() { return IsExperimentEnabled(19); }
 
-constexpr const size_t kNumExperiments = 17;
+constexpr const size_t kNumExperiments = 20;
 extern const ExperimentMetadata g_experiment_metadata[kNumExperiments];
 
 #endif

src/core/lib/experiments/experiments.yaml

@@ -46,13 +46,13 @@
     number of bytes have been read over the socket.
     Buffers are also allocated according to estimated RPC sizes.
   default: false
-  expiry: 2023/03/01
+  expiry: 2023/06/01
   owner: vigneshbabu@google.com
   test_tags: ["endpoint_test", "flow_control_test"]
 - name: tcp_rcv_lowat
   description: Use SO_RCVLOWAT to avoid wakeups on the read path.
   default: false
-  expiry: 2023/03/01
+  expiry: 2023/06/01
   owner: vigneshbabu@google.com
   test_tags: ["endpoint_test", "flow_control_test"]
 - name: peer_state_based_framing
@@ -61,31 +61,31 @@
     on the peer's memory pressure which is reflected in its max http2 frame
     size.
   default: false
-  expiry: 2023/03/01
+  expiry: 2023/06/01
   owner: vigneshbabu@google.com
   test_tags: ["flow_control_test"]
 - name: flow_control_fixes
   description: Various fixes for flow control, max frame size setting.
   default: true
-  expiry: 2023/04/01
+  expiry: 2023/06/01
   owner: ctiller@google.com
   test_tags: ["flow_control_test"]
 - name: memory_pressure_controller
   description: New memory pressure controller
   default: false
-  expiry: 2023/03/01
+  expiry: 2023/06/01
   owner: ctiller@google.com
   test_tags: [resource_quota_test]
 - name: unconstrained_max_quota_buffer_size
   description: Discard the cap on the max free pool size for one memory allocator
   default: false
-  expiry: 2023/03/01
+  expiry: 2023/06/01
   owner: ctiller@google.com
   test_tags: [resource_quota_test]
 - name: event_engine_client
   description: Use EventEngine clients instead of iomgr's grpc_tcp_client
   default: false
-  expiry: 2023/04/13
+  expiry: 2023/06/13
   owner: hork@google.com
   test_tags: ["core_end2end_test", "event_engine_client_test"]
 - name: monitoring_experiment
@@ -99,13 +99,13 @@
     If set, use the new gRPC promise based call code when it's appropriate
     (ie when all filters in a stack are promise based)
   default: false
-  expiry: 2023/03/01
+  expiry: 2023/06/01
   owner: ctiller@google.com
   test_tags: ["core_end2end_test", "lame_client_test"]
 - name: free_large_allocator
   description: If set, return all free bytes from a "big" allocator
   default: false
-  expiry: 2023/04/01
+  expiry: 2023/11/01
   owner: alishananda@google.com
   test_tags: [resource_quota_test]
 - name: promise_based_server_call
@@ -126,7 +126,7 @@
 - name: event_engine_listener
   description: Use EventEngine listeners instead of iomgr's grpc_tcp_server
   default: false
-  expiry: 2023/05/13
+  expiry: 2023/06/13
   owner: vigneshbabu@google.com
   test_tags: ["event_engine_listener_test"]
 - name: schedule_cancellation_over_write
@@ -157,3 +157,27 @@
   owner: hork@google.com
   test_tags: []
   allow_in_fuzzing_config: false
+- name: client_privacy
+  description:
+    If set, client privacy
+  default: false
+  expiry: 2023/11/01
+  owner: alishananda@google.com
+  test_tags: []
+  allow_in_fuzzing_config: false
+- name: canary_client_privacy
+  description:
+    If set, canary client privacy
+  default: false
+  expiry: 2023/11/01
+  owner: alishananda@google.com
+  test_tags: []
+  allow_in_fuzzing_config: false
+- name: server_privacy
+  description:
+    If set, server privacy
+  default: false
+  expiry: 2023/11/01
+  owner: alishananda@google.com
+  test_tags: []
+  allow_in_fuzzing_config: false