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Diffstat (limited to 'src/core/lib/surface/call.c')
-rw-r--r--src/core/lib/surface/call.c76
1 files changed, 60 insertions, 16 deletions
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 97d50a91be..7525806583 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -160,6 +160,7 @@ typedef struct {
} child_call;
struct grpc_call {
+ gpr_refcount ext_ref;
gpr_arena *arena;
grpc_completion_queue *cq;
grpc_polling_entity pollent;
@@ -170,7 +171,7 @@ struct grpc_call {
/* client or server call */
bool is_client;
- /** has grpc_call_destroy been called */
+ /** has grpc_call_unref been called */
bool destroy_called;
/** flag indicating that cancellation is inherited */
bool cancellation_is_inherited;
@@ -244,6 +245,7 @@ struct grpc_call {
};
int grpc_call_error_trace = 0;
+int grpc_compression_trace = 0;
#define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1))
#define CALL_FROM_CALL_STACK(call_stack) (((grpc_call *)(call_stack)) - 1)
@@ -282,6 +284,10 @@ static void add_init_error(grpc_error **composite, grpc_error *new) {
*composite = grpc_error_add_child(*composite, new);
}
+void *grpc_call_arena_alloc(grpc_call *call, size_t size) {
+ return gpr_arena_alloc(call->arena, size);
+}
+
static parent_call *get_or_create_parent_call(grpc_call *call) {
parent_call *p = (parent_call *)gpr_atm_acq_load(&call->parent_call_atm);
if (p == NULL) {
@@ -312,6 +318,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
gpr_arena_create(grpc_channel_get_call_size_estimate(args->channel));
call = gpr_arena_alloc(arena,
sizeof(grpc_call) + channel_stack->call_stack_size);
+ gpr_ref_init(&call->ext_ref, 1);
call->arena = arena;
*out_call = call;
call->channel = args->channel;
@@ -346,6 +353,8 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
gpr_timespec send_deadline =
gpr_convert_clock_type(args->send_deadline, GPR_CLOCK_MONOTONIC);
+ bool immediately_cancel = false;
+
if (args->parent_call != NULL) {
child_call *cc = call->child_call =
gpr_arena_alloc(arena, sizeof(child_call));
@@ -386,8 +395,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
if (args->propagation_mask & GRPC_PROPAGATE_CANCELLATION) {
call->cancellation_is_inherited = 1;
if (gpr_atm_acq_load(&args->parent_call->received_final_op_atm)) {
- cancel_with_error(exec_ctx, call, STATUS_FROM_API_OVERRIDE,
- GRPC_ERROR_CANCELLED);
+ immediately_cancel = true;
}
}
@@ -407,7 +415,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
call->send_deadline = send_deadline;
GRPC_CHANNEL_INTERNAL_REF(args->channel, "call");
- /* initial refcount dropped by grpc_call_destroy */
+ /* initial refcount dropped by grpc_call_unref */
grpc_call_element_args call_args = {
.call_stack = CALL_STACK_FROM_CALL(call),
.server_transport_data = args->server_transport_data,
@@ -422,6 +430,10 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
cancel_with_error(exec_ctx, call, STATUS_FROM_SURFACE,
GRPC_ERROR_REF(error));
}
+ if (immediately_cancel) {
+ cancel_with_error(exec_ctx, call, STATUS_FROM_API_OVERRIDE,
+ GRPC_ERROR_CANCELLED);
+ }
if (args->cq != NULL) {
GPR_ASSERT(
args->pollset_set_alternative == NULL &&
@@ -528,12 +540,16 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call,
GPR_TIMER_END("destroy_call", 0);
}
-void grpc_call_destroy(grpc_call *c) {
+void grpc_call_ref(grpc_call *c) { gpr_ref(&c->ext_ref); }
+
+void grpc_call_unref(grpc_call *c) {
+ if (!gpr_unref(&c->ext_ref)) return;
+
child_call *cc = c->child_call;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- GPR_TIMER_BEGIN("grpc_call_destroy", 0);
- GRPC_API_TRACE("grpc_call_destroy(c=%p)", 1, (c));
+ GPR_TIMER_BEGIN("grpc_call_unref", 0);
+ GRPC_API_TRACE("grpc_call_unref(c=%p)", 1, (c));
if (cc) {
parent_call *pc = get_parent_call(cc->parent);
@@ -560,7 +576,7 @@ void grpc_call_destroy(grpc_call *c) {
}
GRPC_CALL_INTERNAL_UNREF(&exec_ctx, c, "destroy");
grpc_exec_ctx_finish(&exec_ctx);
- GPR_TIMER_END("grpc_call_destroy", 0);
+ GPR_TIMER_END("grpc_call_unref", 0);
}
grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) {
@@ -1187,6 +1203,7 @@ static void finish_batch_step(grpc_exec_ctx *exec_ctx, batch_control *bctl) {
static void continue_receiving_slices(grpc_exec_ctx *exec_ctx,
batch_control *bctl) {
+ grpc_error *error;
grpc_call *call = bctl->call;
for (;;) {
size_t remaining = call->receiving_stream->length -
@@ -1198,11 +1215,22 @@ static void continue_receiving_slices(grpc_exec_ctx *exec_ctx,
finish_batch_step(exec_ctx, bctl);
return;
}
- if (grpc_byte_stream_next(exec_ctx, call->receiving_stream,
- &call->receiving_slice, remaining,
+ if (grpc_byte_stream_next(exec_ctx, call->receiving_stream, remaining,
&call->receiving_slice_ready)) {
- grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer,
- call->receiving_slice);
+ error = grpc_byte_stream_pull(exec_ctx, call->receiving_stream,
+ &call->receiving_slice);
+ if (error == GRPC_ERROR_NONE) {
+ grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer,
+ call->receiving_slice);
+ } else {
+ grpc_byte_stream_destroy(exec_ctx, call->receiving_stream);
+ call->receiving_stream = NULL;
+ grpc_byte_buffer_destroy(*call->receiving_buffer);
+ *call->receiving_buffer = NULL;
+ call->receiving_message = 0;
+ finish_batch_step(exec_ctx, bctl);
+ return;
+ }
} else {
return;
}
@@ -1213,12 +1241,24 @@ static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
grpc_error *error) {
batch_control *bctl = bctlp;
grpc_call *call = bctl->call;
+ grpc_byte_stream *bs = call->receiving_stream;
+ bool release_error = false;
if (error == GRPC_ERROR_NONE) {
- grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer,
- call->receiving_slice);
- continue_receiving_slices(exec_ctx, bctl);
- } else {
+ grpc_slice slice;
+ error = grpc_byte_stream_pull(exec_ctx, bs, &slice);
+ if (error == GRPC_ERROR_NONE) {
+ grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer,
+ slice);
+ continue_receiving_slices(exec_ctx, bctl);
+ } else {
+ /* Error returned by grpc_byte_stream_pull needs to be released manually
+ */
+ release_error = true;
+ }
+ }
+
+ if (error != GRPC_ERROR_NONE) {
if (grpc_trace_operation_failures) {
GRPC_LOG_IF_ERROR("receiving_slice_ready", GRPC_ERROR_REF(error));
}
@@ -1226,7 +1266,11 @@ static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
call->receiving_stream = NULL;
grpc_byte_buffer_destroy(*call->receiving_buffer);
*call->receiving_buffer = NULL;
+ call->receiving_message = 0;
finish_batch_step(exec_ctx, bctl);
+ if (release_error) {
+ GRPC_ERROR_UNREF(error);
+ }
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 23:27:56 +0000