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-rw-r--r--test/core/end2end/tests/write_buffering.cc280
1 files changed, 280 insertions, 0 deletions
diff --git a/test/core/end2end/tests/write_buffering.cc b/test/core/end2end/tests/write_buffering.cc
new file mode 100644
index 0000000000..5e92e598b3
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+++ b/test/core/end2end/tests/write_buffering.cc
@@ -0,0 +1,280 @@
+/*
+ *
+ * Copyright 2017 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/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+static void* tag(intptr_t t) { return (void*)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+ const char* test_name,
+ grpc_channel_args* client_args,
+ grpc_channel_args* server_args) {
+ grpc_end2end_test_fixture f;
+ gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
+ f = config.create_fixture(client_args, server_args);
+ config.init_server(&f, server_args);
+ config.init_client(&f, client_args);
+ return f;
+}
+
+static gpr_timespec n_seconds_from_now(int n) {
+ return grpc_timeout_seconds_to_deadline(n);
+}
+
+static gpr_timespec five_seconds_from_now(void) {
+ return n_seconds_from_now(5);
+}
+
+static void drain_cq(grpc_completion_queue* cq) {
+ grpc_event ev;
+ do {
+ ev = grpc_completion_queue_next(cq, five_seconds_from_now(), NULL);
+ } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture* f) {
+ if (!f->server) return;
+ grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
+ GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
+ grpc_timeout_seconds_to_deadline(5),
+ NULL)
+ .type == GRPC_OP_COMPLETE);
+ grpc_server_destroy(f->server);
+ f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture* f) {
+ if (!f->client) return;
+ grpc_channel_destroy(f->client);
+ f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture* f) {
+ shutdown_server(f);
+ shutdown_client(f);
+
+ grpc_completion_queue_shutdown(f->cq);
+ drain_cq(f->cq);
+ grpc_completion_queue_destroy(f->cq);
+ grpc_completion_queue_destroy(f->shutdown_cq);
+}
+
+/* Client sends a request with payload, server reads then returns status. */
+static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
+ grpc_call* c;
+ grpc_call* s;
+ grpc_slice request_payload_slice1 =
+ grpc_slice_from_copied_string("hello world");
+ grpc_byte_buffer* request_payload1 =
+ grpc_raw_byte_buffer_create(&request_payload_slice1, 1);
+ grpc_slice request_payload_slice2 = grpc_slice_from_copied_string("abc123");
+ grpc_byte_buffer* request_payload2 =
+ grpc_raw_byte_buffer_create(&request_payload_slice2, 1);
+ grpc_end2end_test_fixture f =
+ begin_test(config, "test_invoke_request_with_payload", NULL, NULL);
+ cq_verifier* cqv = cq_verifier_create(f.cq);
+ grpc_op ops[6];
+ grpc_op* op;
+ grpc_metadata_array initial_metadata_recv;
+ grpc_metadata_array trailing_metadata_recv;
+ grpc_metadata_array request_metadata_recv;
+ grpc_byte_buffer* request_payload_recv1 = NULL;
+ grpc_byte_buffer* request_payload_recv2 = NULL;
+ grpc_call_details call_details;
+ grpc_status_code status;
+ grpc_call_error error;
+ grpc_slice details = grpc_empty_slice();
+ int was_cancelled = 2;
+
+ gpr_timespec deadline = five_seconds_from_now();
+ c = grpc_channel_create_call(
+ f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+ grpc_slice_from_static_string("/foo"),
+ get_host_override_slice("foo.test.google.fr:1234", config), deadline,
+ NULL);
+ GPR_ASSERT(c);
+
+ grpc_metadata_array_init(&initial_metadata_recv);
+ grpc_metadata_array_init(&trailing_metadata_recv);
+ grpc_metadata_array_init(&request_metadata_recv);
+ grpc_call_details_init(&call_details);
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_SEND_INITIAL_METADATA;
+ op->data.send_initial_metadata.count = 0;
+ op++;
+ error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_RECV_INITIAL_METADATA;
+ op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
+ op->flags = 0;
+ op->reserved = NULL;
+ op++;
+ error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(2), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
+ f.server, &s, &call_details,
+ &request_metadata_recv, f.cq, f.cq, tag(101)));
+ CQ_EXPECT_COMPLETION(cqv, tag(1), true); /* send message is buffered */
+ CQ_EXPECT_COMPLETION(cqv, tag(101), true);
+ cq_verify(cqv);
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_SEND_MESSAGE;
+ op->data.send_message.send_message = request_payload1;
+ op->flags = GRPC_WRITE_BUFFER_HINT;
+ op++;
+ error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(3), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_SEND_INITIAL_METADATA;
+ op->data.send_initial_metadata.count = 0;
+ op++;
+ error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ /* recv message should not succeed yet - it's buffered at the client still */
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_RECV_MESSAGE;
+ op->data.recv_message.recv_message = &request_payload_recv1;
+ op++;
+ error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ CQ_EXPECT_COMPLETION(cqv, tag(2), true);
+ CQ_EXPECT_COMPLETION(cqv, tag(3), true);
+ CQ_EXPECT_COMPLETION(cqv, tag(102), true);
+ cq_verify(cqv);
+
+ /* send another message, this time not buffered */
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_SEND_MESSAGE;
+ op->data.send_message.send_message = request_payload2;
+ op->flags = 0;
+ op++;
+ error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(4), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ /* now the first send should match up with the first recv */
+ CQ_EXPECT_COMPLETION(cqv, tag(103), true);
+ CQ_EXPECT_COMPLETION(cqv, tag(4), true);
+ cq_verify(cqv);
+
+ /* and the next recv should be ready immediately also */
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_RECV_MESSAGE;
+ op->data.recv_message.recv_message = &request_payload_recv2;
+ op++;
+ error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(104), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ CQ_EXPECT_COMPLETION(cqv, tag(104), true);
+ cq_verify(cqv);
+
+ memset(ops, 0, sizeof(ops));
+ op = ops;
+ op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+ op->flags = 0;
+ op->reserved = NULL;
+ op++;
+ op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+ op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+ op->data.recv_status_on_client.status = &status;
+ op->data.recv_status_on_client.status_details = &details;
+ op->flags = 0;
+ op->reserved = NULL;
+ op++;
+ error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(4), NULL);
+
+ 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 = NULL;
+ 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_OK;
+ 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 = NULL;
+ op++;
+ error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(105), NULL);
+ GPR_ASSERT(GRPC_CALL_OK == error);
+
+ CQ_EXPECT_COMPLETION(cqv, tag(105), 1);
+ CQ_EXPECT_COMPLETION(cqv, tag(4), 1);
+ cq_verify(cqv);
+
+ GPR_ASSERT(status == GRPC_STATUS_OK);
+ GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
+ GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
+ validate_host_override_string("foo.test.google.fr:1234", call_details.host,
+ config);
+ GPR_ASSERT(was_cancelled == 0);
+ GPR_ASSERT(byte_buffer_eq_string(request_payload_recv1, "hello world"));
+ GPR_ASSERT(byte_buffer_eq_string(request_payload_recv2, "abc123"));
+
+ grpc_slice_unref(details);
+ grpc_metadata_array_destroy(&initial_metadata_recv);
+ grpc_metadata_array_destroy(&trailing_metadata_recv);
+ grpc_metadata_array_destroy(&request_metadata_recv);
+ grpc_call_details_destroy(&call_details);
+
+ grpc_call_unref(c);
+ grpc_call_unref(s);
+
+ cq_verifier_destroy(cqv);
+
+ grpc_byte_buffer_destroy(request_payload1);
+ grpc_byte_buffer_destroy(request_payload_recv1);
+ grpc_byte_buffer_destroy(request_payload2);
+ grpc_byte_buffer_destroy(request_payload_recv2);
+
+ end_test(&f);
+ config.tear_down_data(&f);
+}
+
+void write_buffering(grpc_end2end_test_config config) {
+ test_invoke_request_with_payload(config);
+}
+
+void write_buffering_pre_init(void) {}