deps: update grpc to 1.78.1

deps/grpc/.bazelignore

@@ -27,6 +27,7 @@ test/distrib/bazel/python
 test/distrib/bazel/python_second_test_repo
 
 # Directories build containing own BUILD files.
+test/bzlmod
 src/python/grpcio_tests/src/
 tools/distrib/python/grpcio_tools/build/
 tools/distrib/python/grpcio_tools/protobuf/

deps/grpc/.bcr/metadata.template.json

@@ -1,30 +1,12 @@
 {
     "homepage": "https://github.com/grpc/grpc",
     "maintainers": [
-        {
-            "email": "veblush@google.com",
-            "github": "veblush",
-            "name": "Esun Kim",
-            "github_user_id": 2793282
-        },
         {
             "email": "bpawan@google.com",
             "github": "pawbhard",
             "name": "Pawan Bhardwaj",
             "github_user_id": 13415978
         },
-        {
-            "email": "eostroukhov@google.com",
-            "github": "eugeneo",
-            "name": "Eugene Ostroukhov",
-            "github_user_id": 287917
-        },
-        {
-            "email": "hork@google.com",
-            "github": "drfloob",
-            "name": "Adam Heller",
-            "github_user_id": 295906
-        },
         {
             "email": "rishesh@google.com",
             "github": "rishesh007",
@@ -37,35 +19,29 @@
             "name": "Mark Roth",
             "github_user_id": 18664614
         },
-        {
-            "email": "yashkt@google.com",
-            "github": "yashykt",
-            "name": "Yash Tibrewal",
-            "github_user_id": 4181124
-        },
-        {
-            "email": "apolcyn@google.com",
-            "github": "apolcyn",
-            "name": "Alexander Polcyn",
-            "github_user_id": 9566254
-        },
         {
             "email": "sergiitk@google.com",
             "github": "sergiitk",
             "name": "Sergii Tkachenko",
             "github_user_id": 672669
         },
+        {
+            "email": "weizheyuan@google.com",
+            "github": "yuanweiz",
+            "name": "Weizhe Yuan",
+            "github_user_id": 5679340
+        },
+        {
+            "email": "asheshvidyut@google.com",
+            "github": "asheshvidyut",
+            "name": "Ashesh Vidyut",
+            "github_user_id": 134911583
+        },
         {
             "email": "ssreenithi@google.com",
             "github": "sreenithi",
             "name": "Sreenithi Sridharan",
             "github_user_id": 22791051
-        },
-        {
-            "email": "stanleycheung@google.com",
-            "github": "stanley-cheung",
-            "name": "Stanley Cheung",
-            "github_user_id": 11674202
         }
     ],
     "repository": [

deps/grpc/.clang-format

@@ -8,6 +8,22 @@ IncludeCategories:
   # ruby.h is even more first if it's included
   - Regex: '^<ruby/ruby.h>'
     Priority: -200
+  - Regex: '^("absl/)'
+    Priority: 400
+    SortPriority: 500
+  - Regex: '^"gmock/gmock.h"'
+    Priority: 400
+    SortPriority: 450
+  - Regex: '^"gtest/gtest.h"'
+    Priority: 400
+    SortPriority: 450
+  - Regex: '^<.*\.h>'
+    Priority: 200
+  - Regex: '^<.*'
+    Priority: 300
+  - Regex: '.*'
+    Priority: 400
+    SortPriority: 400
 ---
 Language: ObjC
 BasedOnStyle: Google

deps/grpc/.gitattributes

@@ -19,8 +19,7 @@ src/python/grpcio/grpc_core_dependencies.py linguist-generated=true
 src/ruby/ext/grpc/rb_grpc_imports.generated.h linguist-generated=true
 src/ruby/ext/grpc/rb_grpc_imports.generated.c linguist-generated=true
 include/grpc/module.modulemap linguist-generated=true
-test/core/security/grpc_tls_credentials_options_comparator_test.cc linguist-generated=true
-tools/distrib/python/xds_protos/** linguist-generated=true
+py_xds_protos/** linguist-generated=true
 tools/doxygen/Doxyfile.c++ linguist-generated=true
 tools/doxygen/Doxyfile.c++.internal linguist-generated=true
 tools/doxygen/Doxyfile.core linguist-generated=true
@@ -32,6 +31,7 @@ tools/run_tests/generated/sources_and_headers.json linguist-generated=true
 src/core/config/config_vars.h linguist-generated=true
 src/core/config/config_vars.cc linguist-generated=true
 src/core/credentials/transport/tls/grpc_tls_credentials_options.h linguist-generated=true
+test/core/credentials/transport/tls/grpc_tls_credentials_options_comparator_test.cc linguist-generated=true
 src/core/telemetry/stats_data.h linguist-generated=true
 src/core/telemetry/stats_data.cc linguist-generated=true
 src/core/lib/experiments/experiments.h linguist-generated=true

deps/grpc/.pylintrc

@@ -1,4 +1,5 @@
 [MAIN]
+py-version = 3.9
 load-plugins=
 	pylint.extensions.no_self_use,
 	pylint.extensions.comparison_placement,
@@ -10,6 +11,9 @@ ignore=
 	src/python/grpcio/grpc/framework/common,
 	src/python/grpcio/grpc/framework/foundation,
 	src/python/grpcio/grpc/framework/interfaces,
+ignore-patterns=
+	.*pb2\.py,
+	.*pb2_grpc\.py,
 
 extension-pkg-whitelist=grpc._cython.cygrpc
 

deps/grpc/.pylintrc-examples

@@ -1,4 +1,5 @@
 [MAIN]
+py-version = 3.9
 load-plugins=
 	pylint.extensions.no_self_use,
 	pylint.extensions.comparison_placement,
@@ -10,6 +11,9 @@ ignore=
 	src/python/grpcio/grpc/framework/common,
 	src/python/grpcio/grpc/framework/foundation,
 	src/python/grpcio/grpc/framework/interfaces,
+ignore-patterns=
+	.*pb2\.py,
+	.*pb2_grpc\.py,
 
 [VARIABLES]
 

deps/grpc/.pylintrc-tests

@@ -1,4 +1,5 @@
 [MAIN]
+py-version = 3.9
 load-plugins=
 	pylint.extensions.no_self_use,
 	pylint.extensions.comparison_placement,
@@ -9,6 +10,9 @@ ignore=
 	src/python/grpcio_tests/tests/unit/framework,
 	src/python/grpcio_tests/tests/unit/framework/common,
 	src/python/grpcio_tests/tests/unit/framework/foundation,
+ignore-patterns=
+	.*pb2\.py,
+	.*pb2_grpc\.py,
 
 [VARIABLES]
 

deps/grpc/grpc.gyp

@@ -121,6 +121,7 @@
         'src/core/call/server_call.cc',
         'src/core/call/status_util.cc',
         'src/core/client_channel/backup_poller.cc',
+        'src/core/client_channel/buffered_call.cc',
         'src/core/client_channel/client_channel.cc',
         'src/core/client_channel/client_channel_factory.cc',
         'src/core/client_channel/client_channel_filter.cc',
@@ -256,6 +257,7 @@
         'src/core/ext/transport/chttp2/transport/frame_security.cc',
         'src/core/ext/transport/chttp2/transport/frame_settings.cc',
         'src/core/ext/transport/chttp2/transport/frame_window_update.cc',
+        'src/core/ext/transport/chttp2/transport/goaway.cc',
         'src/core/ext/transport/chttp2/transport/hpack_encoder.cc',
         'src/core/ext/transport/chttp2/transport/hpack_encoder_table.cc',
         'src/core/ext/transport/chttp2/transport/hpack_parse_result.cc',

deps/grpc/include/grpc/credentials.h

@@ -19,9 +19,12 @@
 #ifndef GRPC_CREDENTIALS_H
 #define GRPC_CREDENTIALS_H
 
-#include <grpc/grpc.h>
 #include <grpc/grpc_security_constants.h>
+#include <grpc/impl/grpc_types.h>
+#include <grpc/slice.h>
+#include <grpc/status.h>
 #include <grpc/support/port_platform.h>
+#include <grpc/support/time.h>
 #include <stdbool.h>
 
 #ifdef __cplusplus
@@ -34,6 +37,8 @@ extern "C" {
    call. These credentials can be composed with a channel credentials object
    so that they are sent with every call on this channel.  */
 
+typedef struct grpc_server_credentials grpc_server_credentials;
+typedef struct grpc_channel_credentials grpc_channel_credentials;
 typedef struct grpc_call_credentials grpc_call_credentials;
 typedef struct grpc_auth_context grpc_auth_context;
 

deps/grpc/include/grpc/event_engine/memory_allocator.h

@@ -50,6 +50,8 @@ class MemoryAllocator {
   MemoryAllocator(MemoryAllocator&&) = default;
   MemoryAllocator& operator=(MemoryAllocator&&) = default;
 
+  bool IsValid() const { return allocator_ != nullptr; }
+
   /// Drop the underlying allocator and make this an empty object.
   /// The object will not be usable after this call unless it's a valid
   /// allocator is moved into it.

deps/grpc/include/grpc/event_engine/memory_request.h

@@ -17,6 +17,8 @@
 #include <grpc/support/port_platform.h>
 #include <stddef.h>
 
+#include <string>
+
 #include "absl/strings/string_view.h"
 
 namespace grpc_event_engine {

deps/grpc/include/grpc/impl/channel_arg_names.h

@@ -384,6 +384,11 @@
  *  Note that this works only with the "ares" DNS resolver; it isn't supported
  *  by the "native" DNS resolver. Boolean valued. Defaults to false. */
 #define GRPC_ARG_DNS_ENABLE_SRV_QUERIES "grpc.dns_enable_srv_queries"
+/** The cap for max_connections_per_subchannel when set via service
+ *  config.  If the configured value is higher than this, it will be
+ *  capped at this value.  Defaults to 10. */
+#define GRPC_ARG_MAX_CONNECTIONS_PER_SUBCHANNEL_CAP \
+  "grpc.max_connections_per_subchannel_cap"
 /** If set, determines an upper bound on the number of milliseconds that the
  * c-ares based DNS resolver will wait on queries before cancelling them.
  * The default value is 120,000ms. Setting this to "0" will disable the

deps/grpc/include/grpc/support/metrics.h

@@ -15,11 +15,17 @@
 #ifndef GRPC_SUPPORT_METRICS_H
 #define GRPC_SUPPORT_METRICS_H
 
-#include <grpc/event_engine/endpoint_config.h>
 #include <grpc/support/port_platform.h>
 
 #include "absl/strings/string_view.h"
 
+// Forward declaration for EndpointConfig
+namespace grpc_event_engine {
+namespace experimental {
+class EndpointConfig;  // Forward declaration
+}  // namespace experimental
+}  // namespace grpc_event_engine
+
 namespace grpc_core {
 namespace experimental {
 

deps/grpc/include/grpcpp/channel.h

@@ -74,6 +74,9 @@ class Channel final : public grpc::ChannelInterface,
   /// not available.
   std::string GetServiceConfigJSON() const;
 
+  grpc_event_engine::experimental::MemoryAllocator* memory_allocator()
+      const override;
+
  private:
   template <class InputMessage, class OutputMessage>
   friend class grpc::internal::BlockingUnaryCallImpl;

deps/grpc/include/grpcpp/ext/csm_observability.h

@@ -24,10 +24,10 @@
 
 #include <memory>
 
+#include "opentelemetry/metrics/meter_provider.h"
 #include "absl/functional/any_invocable.h"
 #include "absl/status/statusor.h"
 #include "absl/strings/string_view.h"
-#include "opentelemetry/metrics/meter_provider.h"
 
 namespace grpc {
 

deps/grpc/include/grpcpp/ext/otel_plugin.h

@@ -28,13 +28,13 @@
 
 #include <memory>
 
+#include "opentelemetry/context/propagation/text_map_propagator.h"
+#include "opentelemetry/metrics/meter_provider.h"
+#include "opentelemetry/trace/tracer_provider.h"
 #include "absl/functional/any_invocable.h"
 #include "absl/status/status.h"
 #include "absl/status/statusor.h"
 #include "absl/strings/string_view.h"
-#include "opentelemetry/context/propagation/text_map_propagator.h"
-#include "opentelemetry/metrics/meter_provider.h"
-#include "opentelemetry/trace/tracer_provider.h"
 
 namespace grpc {
 namespace internal {