static void test_pending_calls(size_t concurrent_calls) {
size_t i;
grpc_call **calls;
grpc_channel *client;
request_data rdata;
servers_fixture *f;
test_spec *spec = test_spec_create(0, 4);
rdata.call_details =
gpr_malloc(sizeof(grpc_call_details) * spec->num_servers);
f = setup_servers("127.0.0.1", &rdata, spec->num_servers);
client = create_client(f);
calls = perform_multirequest(f, client, concurrent_calls);
grpc_call_cancel(
calls[0],
NULL); /* exercise the cancel pick path whilst there are pending picks */
gpr_free(rdata.call_details);
grpc_channel_destroy(client); /* calls the LB's shutdown func */
/* destroy the calls after the channel so that they are still around for the
* LB's shutdown func to process */
for (i = 0; i < concurrent_calls; i++) {
grpc_call_destroy(calls[i]);
}
gpr_free(calls);
teardown_servers(f);
test_spec_destroy(spec);
}
static void test_ping() {
grpc_channel *client;
request_data rdata;
servers_fixture *f;
cq_verifier *cqv;
grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
const size_t num_servers = 1;
int i;
rdata.call_details = gpr_malloc(sizeof(grpc_call_details) * num_servers);
f = setup_servers("127.0.0.1", &rdata, num_servers);
cqv = cq_verifier_create(f->cq);
client = create_client(f);
grpc_channel_ping(client, f->cq, tag(0), NULL);
cq_expect_completion(cqv, tag(0), 0);
/* check that we're still in idle, and start connecting */
GPR_ASSERT(grpc_channel_check_connectivity_state(client, 1) ==
GRPC_CHANNEL_IDLE);
/* we'll go through some set of transitions (some might be missed), until
READY is reached */
while (state != GRPC_CHANNEL_READY) {
grpc_channel_watch_connectivity_state(
client, state, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), f->cq, tag(99));
cq_expect_completion(cqv, tag(99), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_READY ||
state == GRPC_CHANNEL_CONNECTING ||
state == GRPC_CHANNEL_TRANSIENT_FAILURE);
}
for (i = 1; i <= 5; i++) {
grpc_channel_ping(client, f->cq, tag(i), NULL);
cq_expect_completion(cqv, tag(i), 1);
cq_verify(cqv);
}
gpr_free(rdata.call_details);
grpc_channel_destroy(client);
teardown_servers(f);
cq_verifier_destroy(cqv);
}
void run_spec(const test_spec *spec) {
grpc_channel *client;
char *client_hostport;
char *servers_hostports_str;
request_data rdata;
servers_fixture *f;
grpc_channel_args args;
grpc_arg arg_array[2];
rdata.call_details =
gpr_malloc(sizeof(grpc_call_details) * spec->num_servers);
f = setup_servers("127.0.0.1", &rdata, spec->num_servers);
/* Create client. */
servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
f->num_servers, ",", NULL);
gpr_asprintf(&client_hostport, "ipv4:%s", servers_hostports_str);
arg_array[0].type = GRPC_ARG_INTEGER;
arg_array[0].key = "grpc.testing.fixed_reconnect_backoff_ms";
arg_array[0].value.integer = RETRY_TIMEOUT;
arg_array[1].type = GRPC_ARG_STRING;
arg_array[1].key = GRPC_ARG_LB_POLICY_NAME;
arg_array[1].value.string = "round_robin";
args.num_args = 2;
args.args = arg_array;
client = grpc_insecure_channel_create(client_hostport, &args, NULL);
gpr_log(GPR_INFO, "Testing '%s' with servers=%s client=%s", spec->description,
servers_hostports_str, client_hostport);
const request_sequences sequences = perform_request(f, client, &rdata, spec);
spec->verifier(f, client, &sequences, spec->num_iters);
gpr_free(client_hostport);
gpr_free(servers_hostports_str);
gpr_free(rdata.call_details);
request_sequences_destroy(&sequences);
grpc_channel_destroy(client); /* calls the LB's shutdown func */
teardown_servers(f);
}
void run_spec(const test_spec *spec) {
grpc_channel *client;
char *client_hostport;
char *servers_hostports_str;
int *actual_connection_sequence;
request_data rdata;
servers_fixture *f;
grpc_channel_args args;
grpc_arg arg;
rdata.call_details =
gpr_malloc(sizeof(grpc_call_details) * spec->num_servers);
f = setup_servers("127.0.0.1", &rdata, spec->num_servers);
/* Create client. */
servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
f->num_servers, ",", NULL);
gpr_asprintf(&client_hostport, "ipv4:%s?lb_policy=round_robin",
servers_hostports_str);
arg.type = GRPC_ARG_INTEGER;
arg.key = "grpc.testing.fixed_reconnect_backoff";
arg.value.integer = 100;
args.num_args = 1;
args.args = &arg;
client = grpc_insecure_channel_create(client_hostport, &args, NULL);
gpr_log(GPR_INFO, "Testing '%s' with servers=%s client=%s", spec->description,
servers_hostports_str, client_hostport);
actual_connection_sequence = perform_request(f, client, &rdata, spec);
spec->verifier(f, client, actual_connection_sequence, spec->num_iters);
gpr_free(client_hostport);
gpr_free(servers_hostports_str);
gpr_free(actual_connection_sequence);
gpr_free(rdata.call_details);
grpc_channel_destroy(client); /* calls the LB's shutdown func */
teardown_servers(f);
}
