diff --git a/CMakeLists.txt b/CMakeLists.txt
index e78164e2285..1492eb9b78e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -388,6 +388,7 @@ endif()
add_dependencies(buildtests_c public_headers_must_be_c89)
add_dependencies(buildtests_c badreq_bad_client_test)
add_dependencies(buildtests_c connection_prefix_bad_client_test)
+add_dependencies(buildtests_c duplicate_header_bad_client_test)
add_dependencies(buildtests_c head_of_line_blocking_bad_client_test)
add_dependencies(buildtests_c headers_bad_client_test)
add_dependencies(buildtests_c initial_settings_frame_bad_client_test)
@@ -12318,6 +12319,35 @@ target_link_libraries(connection_prefix_bad_client_test
endif (gRPC_BUILD_TESTS)
if (gRPC_BUILD_TESTS)
+add_executable(duplicate_header_bad_client_test
+ test/core/bad_client/tests/duplicate_header.cc
+)
+
+
+target_include_directories(duplicate_header_bad_client_test
+ PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
+ PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
+ PRIVATE ${_gRPC_SSL_INCLUDE_DIR}
+ PRIVATE ${_gRPC_PROTOBUF_INCLUDE_DIR}
+ PRIVATE ${_gRPC_ZLIB_INCLUDE_DIR}
+ PRIVATE ${_gRPC_BENCHMARK_INCLUDE_DIR}
+ PRIVATE ${_gRPC_CARES_INCLUDE_DIR}
+ PRIVATE ${_gRPC_GFLAGS_INCLUDE_DIR}
+)
+
+target_link_libraries(duplicate_header_bad_client_test
+ ${_gRPC_SSL_LIBRARIES}
+ ${_gRPC_ALLTARGETS_LIBRARIES}
+ bad_client_test
+ grpc_test_util_unsecure
+ grpc_unsecure
+ gpr_test_util
+ gpr
+)
+
+endif (gRPC_BUILD_TESTS)
+if (gRPC_BUILD_TESTS)
+
add_executable(head_of_line_blocking_bad_client_test
test/core/bad_client/tests/head_of_line_blocking.cc
)
diff --git a/Makefile b/Makefile
index ec9f60b8f47..d379ca56668 100644
--- a/Makefile
+++ b/Makefile
@@ -1244,6 +1244,7 @@ boringssl_span_test: $(BINDIR)/$(CONFIG)/boringssl_span_test
boringssl_ssl_test: $(BINDIR)/$(CONFIG)/boringssl_ssl_test
badreq_bad_client_test: $(BINDIR)/$(CONFIG)/badreq_bad_client_test
connection_prefix_bad_client_test: $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test
+duplicate_header_bad_client_test: $(BINDIR)/$(CONFIG)/duplicate_header_bad_client_test
head_of_line_blocking_bad_client_test: $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
headers_bad_client_test: $(BINDIR)/$(CONFIG)/headers_bad_client_test
initial_settings_frame_bad_client_test: $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
@@ -1496,6 +1497,7 @@ buildtests_c: privatelibs_c \
$(BINDIR)/$(CONFIG)/public_headers_must_be_c89 \
$(BINDIR)/$(CONFIG)/badreq_bad_client_test \
$(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test \
+ $(BINDIR)/$(CONFIG)/duplicate_header_bad_client_test \
$(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test \
$(BINDIR)/$(CONFIG)/headers_bad_client_test \
$(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test \
@@ -2048,6 +2050,8 @@ test_c: buildtests_c
$(Q) $(BINDIR)/$(CONFIG)/badreq_bad_client_test || ( echo test badreq_bad_client_test failed ; exit 1 )
$(E) "[RUN] Testing connection_prefix_bad_client_test"
$(Q) $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test || ( echo test connection_prefix_bad_client_test failed ; exit 1 )
+ $(E) "[RUN] Testing duplicate_header_bad_client_test"
+ $(Q) $(BINDIR)/$(CONFIG)/duplicate_header_bad_client_test || ( echo test duplicate_header_bad_client_test failed ; exit 1 )
$(E) "[RUN] Testing head_of_line_blocking_bad_client_test"
$(Q) $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test || ( echo test head_of_line_blocking_bad_client_test failed ; exit 1 )
$(E) "[RUN] Testing headers_bad_client_test"
@@ -20101,6 +20105,26 @@ ifneq ($(NO_DEPS),true)
endif
+DUPLICATE_HEADER_BAD_CLIENT_TEST_SRC = \
+ test/core/bad_client/tests/duplicate_header.cc \
+
+DUPLICATE_HEADER_BAD_CLIENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(DUPLICATE_HEADER_BAD_CLIENT_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/duplicate_header_bad_client_test: $(DUPLICATE_HEADER_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+ $(E) "[LD] Linking $@"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(LD) $(LDFLAGS) $(DUPLICATE_HEADER_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/duplicate_header_bad_client_test
+
+$(OBJDIR)/$(CONFIG)/test/core/bad_client/tests/duplicate_header.o: $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_duplicate_header_bad_client_test: $(DUPLICATE_HEADER_BAD_CLIENT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(DUPLICATE_HEADER_BAD_CLIENT_TEST_OBJS:.o=.dep)
+endif
+
+
HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC = \
test/core/bad_client/tests/head_of_line_blocking.cc \
diff --git a/build.yaml b/build.yaml
index 829081fd108..f688f9ef824 100644
--- a/build.yaml
+++ b/build.yaml
@@ -13,7 +13,7 @@ settings:
'#09': Per-language overrides are possible with (eg) ruby_version tag here
'#10': See the expand_version.py for all the quirks here
core_version: 6.0.0-dev
- g_stands_for: glossy
+ g_stands_for: glamorous
version: 1.10.0-dev
filegroups:
- name: census
diff --git a/requirements.txt b/requirements.txt
index c976cef4cb8..53768c6822f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
# GRPC Python setup requirements
coverage>=4.0
-cython>=0.23
+cython>=0.27
enum34>=1.0.4
futures>=2.2.0
protobuf>=3.5.0.post1
diff --git a/src/core/ext/filters/client_channel/client_channel.cc b/src/core/ext/filters/client_channel/client_channel.cc
index 49522ef3e47..6b936444307 100644
--- a/src/core/ext/filters/client_channel/client_channel.cc
+++ b/src/core/ext/filters/client_channel/client_channel.cc
@@ -1095,6 +1095,7 @@ static void pick_callback_done_locked(void* arg, grpc_error* error) {
chand, calld);
}
async_pick_done_locked(elem, GRPC_ERROR_REF(error));
+ GRPC_CALL_STACK_UNREF(calld->owning_call, "pick_callback");
}
// Takes a ref to chand->lb_policy and calls grpc_lb_policy_pick_locked().
@@ -1134,6 +1135,7 @@ static bool pick_callback_start_locked(grpc_call_element* elem) {
GRPC_CLOSURE_INIT(&calld->lb_pick_closure, pick_callback_done_locked, elem,
grpc_combiner_scheduler(chand->combiner));
calld->pick.on_complete = &calld->lb_pick_closure;
+ GRPC_CALL_STACK_REF(calld->owning_call, "pick_callback");
const bool pick_done =
grpc_lb_policy_pick_locked(chand->lb_policy, &calld->pick);
if (pick_done) {
@@ -1142,6 +1144,7 @@ static bool pick_callback_start_locked(grpc_call_element* elem) {
gpr_log(GPR_DEBUG, "chand=%p calld=%p: pick completed synchronously",
chand, calld);
}
+ GRPC_CALL_STACK_UNREF(calld->owning_call, "pick_callback");
} else {
GRPC_CALL_STACK_REF(calld->owning_call, "pick_callback_cancel");
grpc_call_combiner_set_notify_on_cancel(
diff --git a/src/core/ext/filters/max_age/max_age_filter.cc b/src/core/ext/filters/max_age/max_age_filter.cc
index 7b86e4cd6c1..a3f9780f3f6 100644
--- a/src/core/ext/filters/max_age/max_age_filter.cc
+++ b/src/core/ext/filters/max_age/max_age_filter.cc
@@ -37,6 +37,12 @@
#define MAX_CONNECTION_IDLE_INTEGER_OPTIONS \
{ DEFAULT_MAX_CONNECTION_IDLE_MS, 1, INT_MAX }
+/* States for idle_state in channel_data */
+#define MAX_IDLE_STATE_INIT ((gpr_atm)0)
+#define MAX_IDLE_STATE_SEEN_EXIT_IDLE ((gpr_atm)1)
+#define MAX_IDLE_STATE_SEEN_ENTER_IDLE ((gpr_atm)2)
+#define MAX_IDLE_STATE_TIMER_SET ((gpr_atm)3)
+
namespace {
struct channel_data {
/* We take a reference to the channel stack for the timer callback */
@@ -64,7 +70,7 @@ struct channel_data {
grpc_millis max_connection_age_grace;
/* Closure to run when the channel's idle duration reaches max_connection_idle
and should be closed gracefully */
- grpc_closure close_max_idle_channel;
+ grpc_closure max_idle_timer_cb;
/* Closure to run when the channel reaches its max age and should be closed
gracefully */
grpc_closure close_max_age_channel;
@@ -85,26 +91,117 @@ struct channel_data {
grpc_connectivity_state connectivity_state;
/* Number of active calls */
gpr_atm call_count;
+ /* TODO(zyc): C++lize this state machine */
+ /* 'idle_state' holds the states of max_idle_timer and channel idleness.
+ It can contain one of the following values:
+ +--------------------------------+----------------+---------+
+ | idle_state | max_idle_timer | channel |
+ +--------------------------------+----------------+---------+
+ | MAX_IDLE_STATE_INIT | unset | busy |
+ | MAX_IDLE_STATE_TIMER_SET | set, valid | idle |
+ | MAX_IDLE_STATE_SEEN_EXIT_IDLE | set, invalid | busy |
+ | MAX_IDLE_STATE_SEEN_ENTER_IDLE | set, invalid | idle |
+ +--------------------------------+----------------+---------+
+
+ MAX_IDLE_STATE_INIT: The initial and final state of 'idle_state'. The
+ channel has 1 or 1+ active calls, and the the timer is not set. Note that
+ we may put a virtual call to hold this state at channel initialization or
+ shutdown, so that the channel won't enter other states.
+
+ MAX_IDLE_STATE_TIMER_SET: The state after the timer is set and no calls
+ have arrived after the timer is set. The channel must have 0 active call in
+ this state. If the timer is fired in this state, we will close the channel
+ due to idleness.
+
+ MAX_IDLE_STATE_SEEN_EXIT_IDLE: The state after the timer is set and at
+ least one call has arrived after the timer is set. The channel must have 1
+ or 1+ active calls in this state. If the timer is fired in this state, we
+ won't reschudle it.
+
+ MAX_IDLE_STATE_SEEN_ENTER_IDLE: The state after the timer is set and the at
+ least one call has arrived after the timer is set, BUT the channel
+ currently has 1 or 1+ active calls. If the timer is fired in this state, we
+ will reschudle it.
+
+ max_idle_timer will not be cancelled (unless the channel is shutting down).
+ If the timer callback is called when the max_idle_timer is valid (i.e.
+ idle_state is MAX_IDLE_STATE_TIMER_SET), the channel will be closed due to
+ idleness, otherwise the channel won't be changed.
+
+ State transitions:
+ MAX_IDLE_STATE_INIT <-------3------ MAX_IDLE_STATE_SEEN_EXIT_IDLE
+ ^ | ^ ^ |
+ | | | | |
+ 1 2 +-----------4------------+ 6 7
+ | | | | |
+ | v | | v
+ MAX_IDLE_STATE_TIMER_SET <----5------ MAX_IDLE_STATE_SEEN_ENTER_IDLE
+
+ For 1, 3, 5 : See max_idle_timer_cb() function
+ For 2, 7 : See decrease_call_count() function
+ For 4, 6 : See increase_call_count() function */
+ gpr_atm idle_state;
+ /* Time when the channel finished its last outstanding call, in grpc_millis */
+ gpr_atm last_enter_idle_time_millis;
};
} // namespace
/* Increase the nubmer of active calls. Before the increasement, if there are no
calls, the max_idle_timer should be cancelled. */
static void increase_call_count(channel_data* chand) {
+ /* Exit idle */
if (gpr_atm_full_fetch_add(&chand->call_count, 1) == 0) {
- grpc_timer_cancel(&chand->max_idle_timer);
+ while (true) {
+ gpr_atm idle_state = gpr_atm_acq_load(&chand->idle_state);
+ switch (idle_state) {
+ case MAX_IDLE_STATE_TIMER_SET:
+ /* max_idle_timer_cb may have already set idle_state to
+ MAX_IDLE_STATE_INIT, in this case, we don't need to set it to
+ MAX_IDLE_STATE_SEEN_EXIT_IDLE */
+ gpr_atm_rel_cas(&chand->idle_state, MAX_IDLE_STATE_TIMER_SET,
+ MAX_IDLE_STATE_SEEN_EXIT_IDLE);
+ return;
+ case MAX_IDLE_STATE_SEEN_ENTER_IDLE:
+ gpr_atm_rel_store(&chand->idle_state, MAX_IDLE_STATE_SEEN_EXIT_IDLE);
+ return;
+ default:
+ /* try again */
+ break;
+ }
+ }
}
}
/* Decrease the nubmer of active calls. After the decrement, if there are no
calls, the max_idle_timer should be started. */
static void decrease_call_count(channel_data* chand) {
+ /* Enter idle */
if (gpr_atm_full_fetch_add(&chand->call_count, -1) == 1) {
- GRPC_CHANNEL_STACK_REF(chand->channel_stack, "max_age max_idle_timer");
- grpc_timer_init(
- &chand->max_idle_timer,
- grpc_core::ExecCtx::Get()->Now() + chand->max_connection_idle,
- &chand->close_max_idle_channel);
+ gpr_atm_no_barrier_store(&chand->last_enter_idle_time_millis,
+ (gpr_atm)grpc_core::ExecCtx::Get()->Now());
+ while (true) {
+ gpr_atm idle_state = gpr_atm_acq_load(&chand->idle_state);
+ switch (idle_state) {
+ case MAX_IDLE_STATE_INIT:
+ GRPC_CHANNEL_STACK_REF(chand->channel_stack,
+ "max_age max_idle_timer");
+ grpc_timer_init(
+ &chand->max_idle_timer,
+ grpc_core::ExecCtx::Get()->Now() + chand->max_connection_idle,
+ &chand->max_idle_timer_cb);
+ gpr_atm_rel_store(&chand->idle_state, MAX_IDLE_STATE_TIMER_SET);
+ return;
+ case MAX_IDLE_STATE_SEEN_EXIT_IDLE:
+ if (gpr_atm_rel_cas(&chand->idle_state, MAX_IDLE_STATE_SEEN_EXIT_IDLE,
+ MAX_IDLE_STATE_SEEN_ENTER_IDLE)) {
+ return;
+ }
+ break;
+ default:
+ /* try again */
+ break;
+ }
+ }
}
}
@@ -152,20 +249,58 @@ static void start_max_age_grace_timer_after_goaway_op(void* arg,
"max_age start_max_age_grace_timer_after_goaway_op");
}
-static void close_max_idle_channel(void* arg, grpc_error* error) {
+static void close_max_idle_channel(channel_data* chand) {
+ /* Prevent the max idle timer from being set again */
+ gpr_atm_no_barrier_fetch_add(&chand->call_count, 1);
+ grpc_transport_op* op = grpc_make_transport_op(nullptr);
+ op->goaway_error =
+ grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING("max_idle"),
+ GRPC_ERROR_INT_HTTP2_ERROR, GRPC_HTTP2_NO_ERROR);
+ grpc_channel_element* elem =
+ grpc_channel_stack_element(chand->channel_stack, 0);
+ elem->filter->start_transport_op(elem, op);
+}
+
+static void max_idle_timer_cb(void* arg, grpc_error* error) {
channel_data* chand = (channel_data*)arg;
if (error == GRPC_ERROR_NONE) {
- /* Prevent the max idle timer from being set again */
- gpr_atm_no_barrier_fetch_add(&chand->call_count, 1);
- grpc_transport_op* op = grpc_make_transport_op(nullptr);
- op->goaway_error =
- grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING("max_idle"),
- GRPC_ERROR_INT_HTTP2_ERROR, GRPC_HTTP2_NO_ERROR);
- grpc_channel_element* elem =
- grpc_channel_stack_element(chand->channel_stack, 0);
- elem->filter->start_transport_op(elem, op);
- } else if (error != GRPC_ERROR_CANCELLED) {
- GRPC_LOG_IF_ERROR("close_max_idle_channel", error);
+ bool try_again = true;
+ while (try_again) {
+ gpr_atm idle_state = gpr_atm_acq_load(&chand->idle_state);
+ switch (idle_state) {
+ case MAX_IDLE_STATE_TIMER_SET:
+ close_max_idle_channel(chand);
+ /* This MAX_IDLE_STATE_INIT is a final state, we don't have to check
+ * if idle_state has been changed */
+ gpr_atm_rel_store(&chand->idle_state, MAX_IDLE_STATE_INIT);
+ try_again = false;
+ break;
+ case MAX_IDLE_STATE_SEEN_EXIT_IDLE:
+ if (gpr_atm_rel_cas(&chand->idle_state, MAX_IDLE_STATE_SEEN_EXIT_IDLE,
+ MAX_IDLE_STATE_INIT)) {
+ try_again = false;
+ }
+ break;
+ case MAX_IDLE_STATE_SEEN_ENTER_IDLE:
+ GRPC_CHANNEL_STACK_REF(chand->channel_stack,
+ "max_age max_idle_timer");
+ grpc_timer_init(&chand->max_idle_timer,
+ (grpc_millis)gpr_atm_no_barrier_load(
+ &chand->last_enter_idle_time_millis) +
+ chand->max_connection_idle,
+ &chand->max_idle_timer_cb);
+ /* idle_state may have already been set to
+ MAX_IDLE_STATE_SEEN_EXIT_IDLE by increase_call_count(), in this
+ case, we don't need to set it to MAX_IDLE_STATE_TIMER_SET */
+ gpr_atm_rel_cas(&chand->idle_state, MAX_IDLE_STATE_SEEN_ENTER_IDLE,
+ MAX_IDLE_STATE_TIMER_SET);
+ try_again = false;
+ break;
+ default:
+ /* try again */
+ break;
+ }
+ }
}
GRPC_CHANNEL_STACK_UNREF(chand->channel_stack, "max_age max_idle_timer");
}
@@ -288,6 +423,9 @@ static grpc_error* init_channel_elem(grpc_channel_element* elem,
chand->max_connection_idle = DEFAULT_MAX_CONNECTION_IDLE_MS == INT_MAX
? GRPC_MILLIS_INF_FUTURE
: DEFAULT_MAX_CONNECTION_IDLE_MS;
+ chand->idle_state = MAX_IDLE_STATE_INIT;
+ gpr_atm_no_barrier_store(&chand->last_enter_idle_time_millis,
+ GRPC_MILLIS_INF_PAST);
for (size_t i = 0; i < args->channel_args->num_args; ++i) {
if (0 == strcmp(args->channel_args->args[i].key,
GRPC_ARG_MAX_CONNECTION_AGE_MS)) {
@@ -311,8 +449,8 @@ static grpc_error* init_channel_elem(grpc_channel_element* elem,
value == INT_MAX ? GRPC_MILLIS_INF_FUTURE : value;
}
}
- GRPC_CLOSURE_INIT(&chand->close_max_idle_channel, close_max_idle_channel,
- chand, grpc_schedule_on_exec_ctx);
+ GRPC_CLOSURE_INIT(&chand->max_idle_timer_cb, max_idle_timer_cb, chand,
+ grpc_schedule_on_exec_ctx);
GRPC_CLOSURE_INIT(&chand->close_max_age_channel, close_max_age_channel, chand,
grpc_schedule_on_exec_ctx);
GRPC_CLOSURE_INIT(&chand->force_close_max_age_channel,
diff --git a/src/core/lib/security/transport/client_auth_filter.cc b/src/core/lib/security/transport/client_auth_filter.cc
index 16814d25988..802503c8686 100644
--- a/src/core/lib/security/transport/client_auth_filter.cc
+++ b/src/core/lib/security/transport/client_auth_filter.cc
@@ -118,6 +118,7 @@ static void on_credentials_metadata(void* arg, grpc_error* input_error) {
grpc_transport_stream_op_batch_finish_with_failure(batch, error,
calld->call_combiner);
}
+ GRPC_CALL_STACK_UNREF(calld->owning_call, "get_request_metadata");
}
void grpc_auth_metadata_context_build(
@@ -208,7 +209,7 @@ static void send_security_metadata(grpc_call_element* elem,
chand->auth_context, &calld->auth_md_context);
GPR_ASSERT(calld->pollent != nullptr);
-
+ GRPC_CALL_STACK_REF(calld->owning_call, "get_request_metadata");
GRPC_CLOSURE_INIT(&calld->async_result_closure, on_credentials_metadata,
batch, grpc_schedule_on_exec_ctx);
grpc_error* error = GRPC_ERROR_NONE;
@@ -250,6 +251,7 @@ static void on_host_checked(void* arg, grpc_error* error) {
calld->call_combiner);
gpr_free(error_msg);
}
+ GRPC_CALL_STACK_UNREF(calld->owning_call, "check_call_host");
}
static void cancel_check_call_host(void* arg, grpc_error* error) {
@@ -312,6 +314,7 @@ static void auth_start_transport_stream_op_batch(
}
if (calld->have_host) {
batch->handler_private.extra_arg = elem;
+ GRPC_CALL_STACK_REF(calld->owning_call, "check_call_host");
GRPC_CLOSURE_INIT(&calld->async_result_closure, on_host_checked, batch,
grpc_schedule_on_exec_ctx);
char* call_host = grpc_slice_to_c_string(calld->host);
diff --git a/src/core/lib/surface/call.cc b/src/core/lib/surface/call.cc
index f2096d89375..b538cc02120 100644
--- a/src/core/lib/surface/call.cc
+++ b/src/core/lib/surface/call.cc
@@ -1032,6 +1032,7 @@ static grpc_stream_compression_algorithm decode_stream_compression(
static void publish_app_metadata(grpc_call* call, grpc_metadata_batch* b,
int is_trailing) {
if (b->list.count == 0) return;
+ if (is_trailing && call->buffered_metadata[1] == nullptr) return;
GPR_TIMER_SCOPE("publish_app_metadata", 0);
grpc_metadata_array* dest;
grpc_metadata* mdusr;
diff --git a/src/core/lib/surface/version.cc b/src/core/lib/surface/version.cc
index 153b6e02977..51daad0368f 100644
--- a/src/core/lib/surface/version.cc
+++ b/src/core/lib/surface/version.cc
@@ -23,4 +23,4 @@
const char* grpc_version_string(void) { return "6.0.0-dev"; }
-const char* grpc_g_stands_for(void) { return "glossy"; }
+const char* grpc_g_stands_for(void) { return "glamorous"; }
diff --git a/src/csharp/Grpc.Core/SourceLink.csproj.include b/src/csharp/Grpc.Core/SourceLink.csproj.include
index 02ae79fb893..0ec273f57e6 100755
--- a/src/csharp/Grpc.Core/SourceLink.csproj.include
+++ b/src/csharp/Grpc.Core/SourceLink.csproj.include
@@ -13,7 +13,7 @@
-
+
diff --git a/test/core/bad_client/gen_build_yaml.py b/test/core/bad_client/gen_build_yaml.py
index a8fd7772161..32afba5b1f5 100755
--- a/test/core/bad_client/gen_build_yaml.py
+++ b/test/core/bad_client/gen_build_yaml.py
@@ -27,6 +27,7 @@ default_test_options = TestOptions(False, 1.0)
BAD_CLIENT_TESTS = {
'badreq': default_test_options,
'connection_prefix': default_test_options._replace(cpu_cost=0.2),
+ 'duplicate_header': default_test_options,
'headers': default_test_options._replace(cpu_cost=0.2),
'initial_settings_frame': default_test_options._replace(cpu_cost=0.2),
'head_of_line_blocking': default_test_options,
diff --git a/test/core/bad_client/generate_tests.bzl b/test/core/bad_client/generate_tests.bzl
index b595defb8c3..b846f97181b 100755
--- a/test/core/bad_client/generate_tests.bzl
+++ b/test/core/bad_client/generate_tests.bzl
@@ -25,6 +25,7 @@ def test_options():
BAD_CLIENT_TESTS = {
'badreq': test_options(),
'connection_prefix': test_options(),
+ 'duplicate_header': test_options(),
'headers': test_options(),
'initial_settings_frame': test_options(),
'head_of_line_blocking': test_options(),
diff --git a/test/core/bad_client/tests/duplicate_header.cc b/test/core/bad_client/tests/duplicate_header.cc
new file mode 100644
index 00000000000..0d689bbb7e2
--- /dev/null
+++ b/test/core/bad_client/tests/duplicate_header.cc
@@ -0,0 +1,134 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * 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.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+
+#include
+
+#include
+
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/cq_verifier.h"
+
+#define PFX_STR \
+ "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
+ "\x00\x00\x00\x04\x00\x00\x00\x00\x00" /* settings frame */
+
+#define HEADER_STR \
+ "\x00\x00\xc9\x01\x04\x00\x00\x00\x01" /* headers: generated from \
+ simple_request.headers in this \
+ directory */ \
+ "\x10\x05:path\x08/foo/bar" \
+ "\x10\x07:scheme\x04http" \
+ "\x10\x07:method\x04POST" \
+ "\x10\x0a:authority\x09localhost" \
+ "\x10\x0c" \
+ "content-type\x10" \
+ "application/grpc" \
+ "\x10\x14grpc-accept-encoding\x15" \
+ "deflate,identity,gzip" \
+ "\x10\x02te\x08trailers" \
+ "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+
+#define PAYLOAD_STR \
+ "\x00\x00\x20\x00\x00\x00\x00\x00\x01" \
+ "\x00\x00\x00\x00"
+
+static void* tag(intptr_t t) { return (void*)t; }
+
+static void verifier(grpc_server* server, grpc_completion_queue* cq,
+ void* registered_method) {
+ grpc_call_error error;
+ grpc_call* s;
+ grpc_call_details call_details;
+ grpc_byte_buffer* request_payload_recv = nullptr;
+ grpc_op* op;
+ grpc_op ops[6];
+ cq_verifier* cqv = cq_verifier_create(cq);
+ grpc_metadata_array request_metadata_recv;
+ int was_cancelled = 2;
+
+ grpc_call_details_init(&call_details);
+ grpc_metadata_array_init(&request_metadata_recv);
+
+ error = grpc_server_request_call(server, &s, &call_details,
+ &request_metadata_recv, cq, cq, tag(101));
+ GPR_ASSERT(GRPC_CALL_OK == error);
+ CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
+ cq_verify(cqv);
+
+ GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.host, "localhost"));
+ GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo/bar"));
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_SEND_INITIAL_METADATA;
+ op->data.send_initial_metadata.count = 0;
+ op->flags = 0;
+ op->reserved = nullptr;
+ op++;
+ op->op = GRPC_OP_RECV_MESSAGE;
+ op->data.recv_message.recv_message = &request_payload_recv;
+ op->flags = 0;
+ op->reserved = nullptr;
+ op++;
+ error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), nullptr);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
+ cq_verify(cqv);
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+ op->data.recv_close_on_server.cancelled = &was_cancelled;
+ op->flags = 0;
+ op->reserved = nullptr;
+ op++;
+ op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+ op->data.send_status_from_server.trailing_metadata_count = 0;
+ op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+ grpc_slice status_details = grpc_slice_from_static_string("xyz");
+ op->data.send_status_from_server.status_details = &status_details;
+ op->flags = 0;
+ op->reserved = nullptr;
+ op++;
+ error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), nullptr);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ CQ_EXPECT_COMPLETION(cqv, tag(103), 1);
+
+ grpc_metadata_array_destroy(&request_metadata_recv);
+ grpc_call_details_destroy(&call_details);
+ grpc_call_unref(s);
+ cq_verifier_destroy(cqv);
+}
+
+int main(int argc, char** argv) {
+ grpc_test_init(argc, argv);
+ grpc_init();
+
+ /* Verify that sending multiple headers doesn't segfault */
+ GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr,
+ PFX_STR HEADER_STR HEADER_STR PAYLOAD_STR, 0);
+ GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr,
+ PFX_STR HEADER_STR HEADER_STR HEADER_STR PAYLOAD_STR,
+ 0);
+ grpc_shutdown();
+ return 0;
+}
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index e65ce0c13e4..910f3c1c132 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -5116,6 +5116,24 @@
"third_party": false,
"type": "target"
},
+ {
+ "deps": [
+ "bad_client_test",
+ "gpr",
+ "gpr_test_util",
+ "grpc_test_util_unsecure",
+ "grpc_unsecure"
+ ],
+ "headers": [],
+ "is_filegroup": false,
+ "language": "c",
+ "name": "duplicate_header_bad_client_test",
+ "src": [
+ "test/core/bad_client/tests/duplicate_header.cc"
+ ],
+ "third_party": false,
+ "type": "target"
+ },
{
"deps": [
"bad_client_test",
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index 87c0e260b3e..a1763920441 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -4698,6 +4698,32 @@
],
"uses_polling": true
},
+ {
+ "args": [],
+ "benchmark": false,
+ "ci_platforms": [
+ "linux",
+ "mac",
+ "posix",
+ "windows"
+ ],
+ "cpu_cost": 1.0,
+ "exclude_configs": [],
+ "exclude_iomgrs": [
+ "uv"
+ ],
+ "flaky": false,
+ "gtest": false,
+ "language": "c",
+ "name": "duplicate_header_bad_client_test",
+ "platforms": [
+ "linux",
+ "mac",
+ "posix",
+ "windows"
+ ],
+ "uses_polling": true
+ },
{
"args": [],
"benchmark": false,