int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
grpc_test_only_set_metadata_hash_seed(0);
struct grpc_memory_counters counters;
if (squelch) gpr_set_log_function(dont_log);
grpc_memory_counters_init();
grpc_init();
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_endpoint *mock_endpoint = grpc_mock_endpoint_create(discard_write);
grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
grpc_transport *transport =
grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 1);
grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
grpc_channel *channel = grpc_channel_create(
&exec_ctx, "test-target", NULL, GRPC_CLIENT_DIRECT_CHANNEL, transport);
grpc_call *call =
grpc_channel_create_call(channel, NULL, 0, cq, "/foo", "localhost",
gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
grpc_metadata_array initial_metadata_recv;
grpc_metadata_array_init(&initial_metadata_recv);
grpc_byte_buffer *response_payload_recv = NULL;
grpc_metadata_array trailing_metadata_recv;
grpc_metadata_array_init(&trailing_metadata_recv);
grpc_status_code status;
char *details = NULL;
size_t details_capacity = 0;
grpc_op ops[6];
memset(ops, 0, sizeof(ops));
grpc_op *op = ops;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_INITIAL_METADATA;
op->data.recv_initial_metadata = &initial_metadata_recv;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_MESSAGE;
op->data.recv_message = &response_payload_recv;
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->data.recv_status_on_client.status_details_capacity = &details_capacity;
op->flags = 0;
op->reserved = NULL;
op++;
grpc_call_error error =
grpc_call_start_batch(call, ops, (size_t)(op - ops), tag(1), NULL);
int requested_calls = 1;
GPR_ASSERT(GRPC_CALL_OK == error);
grpc_mock_endpoint_put_read(
&exec_ctx, mock_endpoint,
gpr_slice_from_copied_buffer((const char *)data, size));
grpc_event ev;
while (1) {
grpc_exec_ctx_flush(&exec_ctx);
ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
switch (ev.type) {
case GRPC_QUEUE_TIMEOUT:
goto done;
case GRPC_QUEUE_SHUTDOWN:
break;
case GRPC_OP_COMPLETE:
requested_calls--;
break;
}
}
done:
if (requested_calls) {
grpc_call_cancel(call, NULL);
}
for (int i = 0; i < requested_calls; i++) {
ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
}
grpc_completion_queue_shutdown(cq);
for (int i = 0; i < requested_calls; i++) {
ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
}
grpc_call_destroy(call);
grpc_completion_queue_destroy(cq);
grpc_metadata_array_destroy(&initial_metadata_recv);
grpc_metadata_array_destroy(&trailing_metadata_recv);
gpr_free(details);
grpc_channel_destroy(channel);
if (response_payload_recv != NULL) {
grpc_byte_buffer_destroy(response_payload_recv);
}
grpc_shutdown();
counters = grpc_memory_counters_snapshot();
grpc_memory_counters_destroy();
GPR_ASSERT(counters.total_size_relative == 0);
return 0;
}
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
grpc_test_only_set_slice_hash_seed(0);
struct grpc_memory_counters counters;
if (squelch) gpr_set_log_function(dont_log);
if (leak_check) grpc_memory_counters_init();
grpc_init();
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_executor_set_threading(&exec_ctx, false);
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("server_fuzzer");
grpc_endpoint *mock_endpoint =
grpc_mock_endpoint_create(discard_write, resource_quota);
grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
grpc_mock_endpoint_put_read(
&exec_ctx, mock_endpoint,
grpc_slice_from_copied_buffer((const char *)data, size));
grpc_server *server = grpc_server_create(NULL, NULL);
grpc_completion_queue *cq = grpc_completion_queue_create_for_next(NULL);
grpc_server_register_completion_queue(server, cq, NULL);
// TODO(ctiller): add registered methods (one for POST, one for PUT)
// void *registered_method =
// grpc_server_register_method(server, "/reg", NULL, 0);
grpc_server_start(server);
grpc_transport *transport =
grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 0);
grpc_server_setup_transport(&exec_ctx, server, transport, NULL, NULL);
grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL);
grpc_call *call1 = NULL;
grpc_call_details call_details1;
grpc_metadata_array request_metadata1;
grpc_call_details_init(&call_details1);
grpc_metadata_array_init(&request_metadata1);
int requested_calls = 0;
GPR_ASSERT(GRPC_CALL_OK ==
grpc_server_request_call(server, &call1, &call_details1,
&request_metadata1, cq, cq, tag(1)));
requested_calls++;
grpc_event ev;
while (1) {
grpc_exec_ctx_flush(&exec_ctx);
ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
switch (ev.type) {
case GRPC_QUEUE_TIMEOUT:
goto done;
case GRPC_QUEUE_SHUTDOWN:
break;
case GRPC_OP_COMPLETE:
switch (detag(ev.tag)) {
case 1:
requested_calls--;
// TODO(ctiller): keep reading that call!
break;
}
}
}
done:
if (call1 != NULL) grpc_call_unref(call1);
grpc_call_details_destroy(&call_details1);
grpc_metadata_array_destroy(&request_metadata1);
grpc_server_shutdown_and_notify(server, cq, tag(0xdead));
grpc_server_cancel_all_calls(server);
for (int i = 0; i <= requested_calls; i++) {
ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
}
grpc_completion_queue_shutdown(cq);
for (int i = 0; i <= requested_calls; i++) {
ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
}
grpc_server_destroy(server);
grpc_completion_queue_destroy(cq);
grpc_shutdown();
if (leak_check) {
counters = grpc_memory_counters_snapshot();
grpc_memory_counters_destroy();
GPR_ASSERT(counters.total_size_relative == 0);
}
return 0;
}