int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_fake_resolver_init(); // Registers the "test" scheme.
grpc_init();
test_fake_resolver();
grpc_shutdown();
return 0;
}
static void run_test(bool wait_for_ready, bool use_service_config) {
grpc_channel *chan;
grpc_call *call;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
grpc_completion_queue *cq;
cq_verifier *cqv;
grpc_op ops[6];
grpc_op *op;
grpc_metadata_array trailing_metadata_recv;
grpc_status_code status;
char *details = NULL;
size_t details_capacity = 0;
gpr_log(GPR_INFO, "TEST: wait_for_ready=%d use_service_config=%d",
wait_for_ready, use_service_config);
grpc_fake_resolver_init();
grpc_init();
grpc_metadata_array_init(&trailing_metadata_recv);
cq = grpc_completion_queue_create(NULL);
cqv = cq_verifier_create(cq);
/* create a call, channel to a port which will refuse connection */
int port = grpc_pick_unused_port_or_die();
char *addr;
gpr_join_host_port(&addr, "127.0.0.1", port);
if (use_service_config) {
GPR_ASSERT(wait_for_ready);
char *server_uri;
gpr_asprintf(&server_uri,
"test:%s?method_name=/service/method&wait_for_ready=1", addr);
gpr_free(addr);
addr = server_uri;
}
gpr_log(GPR_INFO, "server: %s", addr);
chan = grpc_insecure_channel_create(addr, NULL, NULL);
call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
"/service/method", "nonexistant", deadline,
NULL);
gpr_free(addr);
memset(ops, 0, sizeof(ops));
op = ops;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = (wait_for_ready && !use_service_config)
? GRPC_INITIAL_METADATA_WAIT_FOR_READY
: 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++;
GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(
call, ops, (size_t)(op - ops), tag(1), NULL));
/* verify that all tags get completed */
CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
cq_verify(cqv);
if (wait_for_ready) {
GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
} else {
GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
}
grpc_completion_queue_shutdown(cq);
while (
grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
.type != GRPC_QUEUE_SHUTDOWN)
;
grpc_completion_queue_destroy(cq);
grpc_call_destroy(call);
grpc_channel_destroy(chan);
cq_verifier_destroy(cqv);
gpr_free(details);
grpc_metadata_array_destroy(&trailing_metadata_recv);
grpc_shutdown();
}
