static void shutdown_server(grpc_end2end_test_fixture *f) {
if (!f->server) return;
grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
NULL).type == GRPC_OP_COMPLETE);
grpc_server_destroy(f->server);
f->server = NULL;
}
static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
size_t i;
int port = 0;
portreq *pr = arg;
int failed = 0;
grpc_httpcli_response *response = &pr->response;
if (error != GRPC_ERROR_NONE) {
failed = 1;
const char *msg = grpc_error_string(error);
gpr_log(GPR_DEBUG, "failed port pick from server: retrying [%s]", msg);
grpc_error_free_string(msg);
} else if (response->status != 200) {
failed = 1;
gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
response->status);
}
if (failed) {
grpc_httpcli_request req;
memset(&req, 0, sizeof(req));
GPR_ASSERT(pr->retries < 10);
gpr_sleep_until(gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_millis(
(int64_t)(1000.0 * (1 + pow(1.3, pr->retries) * rand() / RAND_MAX)),
GPR_TIMESPAN)));
pr->retries++;
req.host = pr->server;
req.http.path = "/get";
grpc_http_response_destroy(&pr->response);
memset(&pr->response, 0, sizeof(pr->response));
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("port_server_client/pick_retry");
grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pops, resource_quota, &req,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10),
grpc_closure_create(got_port_from_server, pr),
&pr->response);
grpc_resource_quota_internal_unref(exec_ctx, resource_quota);
return;
}
GPR_ASSERT(response);
GPR_ASSERT(response->status == 200);
for (i = 0; i < response->body_length; i++) {
GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
port = port * 10 + response->body[i] - '0';
}
GPR_ASSERT(port > 1024);
gpr_mu_lock(pr->mu);
pr->port = port;
GRPC_LOG_IF_ERROR(
"pollset_kick",
grpc_pollset_kick(grpc_polling_entity_pollset(&pr->pops), NULL));
gpr_mu_unlock(pr->mu);
}
int main(int argc, char **argv) {
grpc_channel *chan;
grpc_call *call;
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;
grpc_test_init(argc, argv);
grpc_init();
grpc_metadata_array_init(&trailing_metadata_recv);
chan = grpc_lame_client_channel_create("lampoon:national");
GPR_ASSERT(chan);
cq = grpc_completion_queue_create();
call = grpc_channel_create_call(chan, cq, "/Foo", "anywhere",
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100));
GPR_ASSERT(call);
cqv = cq_verifier_create(cq);
op = ops;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = 0;
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++;
GPR_ASSERT(GRPC_CALL_OK ==
grpc_call_start_batch(call, ops, op - ops, tag(1)));
/* the call should immediately fail */
cq_expect_completion(cqv, tag(1), 1);
cq_verify(cqv);
grpc_call_destroy(call);
grpc_channel_destroy(chan);
cq_verifier_destroy(cqv);
grpc_completion_queue_destroy(cq);
grpc_metadata_array_destroy(&trailing_metadata_recv);
gpr_free(details);
grpc_shutdown();
return 0;
}
static int pick_port_using_server(char *server) {
grpc_httpcli_context context;
grpc_httpcli_request req;
portreq pr;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure shutdown_closure;
grpc_init();
memset(&pr, 0, sizeof(pr));
memset(&req, 0, sizeof(req));
pr.pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pr.pollset, &pr.mu);
grpc_closure_init(&shutdown_closure, destroy_pollset_and_shutdown,
pr.pollset);
pr.port = -1;
pr.server = server;
pr.ctx = &context;
req.host = server;
req.path = "/get";
grpc_httpcli_context_init(&context);
grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
&pr);
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(pr.mu);
while (pr.port == -1) {
grpc_pollset_worker *worker = NULL;
grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
}
gpr_mu_unlock(pr.mu);
grpc_httpcli_context_destroy(&context);
grpc_pollset_shutdown(&exec_ctx, pr.pollset, &shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(pr.pollset);
return pr.port;
}
void test_succeeds(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
int svr_fd;
int r;
int connections_complete_before;
grpc_closure done;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_DEBUG, "test_succeeds");
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
GPR_ASSERT(0 == listen(svr_fd, 1));
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
connections_complete_before = g_connections_complete;
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
/* connect to it */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
grpc_closure_init(&done, must_succeed, NULL);
grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
(struct sockaddr *)&addr, addr_len,
gpr_inf_future(GPR_CLOCK_REALTIME));
/* await the connection */
do {
addr_len = sizeof(addr);
r = accept(svr_fd, (struct sockaddr *)&addr, &addr_len);
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r >= 0);
close(r);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
while (g_connections_complete == connections_complete_before) {
grpc_pollset_worker *worker = NULL;
grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5));
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_exec_ctx_flush(&exec_ctx);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
}
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_exec_ctx_finish(&exec_ctx);
}
static void prepare_test(int is_client) {
int port;
char *server_hostport;
grpc_op *op;
g_state.is_client = is_client;
grpc_metadata_array_init(&g_state.initial_metadata_recv);
grpc_metadata_array_init(&g_state.trailing_metadata_recv);
g_state.deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
g_state.cq = grpc_completion_queue_create(NULL);
g_state.cqv = cq_verifier_create(g_state.cq);
g_state.details = NULL;
g_state.details_capacity = 0;
if (is_client) {
/* create a call, channel to a non existant server */
g_state.chan =
grpc_insecure_channel_create("nonexistant:54321", NULL, NULL);
g_state.call = grpc_channel_create_call(
g_state.chan, NULL, GRPC_PROPAGATE_DEFAULTS, g_state.cq, "/Foo",
"nonexistant", g_state.deadline, NULL);
} else {
g_state.server = grpc_server_create(NULL, NULL);
grpc_server_register_completion_queue(g_state.server, g_state.cq, NULL);
port = grpc_pick_unused_port_or_die();
gpr_join_host_port(&server_hostport, "0.0.0.0", port);
grpc_server_add_insecure_http2_port(g_state.server, server_hostport);
grpc_server_start(g_state.server);
gpr_free(server_hostport);
gpr_join_host_port(&server_hostport, "localhost", port);
g_state.chan = grpc_insecure_channel_create(server_hostport, NULL, NULL);
gpr_free(server_hostport);
g_state.call = grpc_channel_create_call(
g_state.chan, NULL, GRPC_PROPAGATE_DEFAULTS, g_state.cq, "/Foo", "bar",
g_state.deadline, NULL);
grpc_metadata_array_init(&g_state.server_initial_metadata_recv);
grpc_call_details_init(&g_state.call_details);
op = g_state.ops;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = 0;
op->reserved = NULL;
op++;
GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(g_state.call, g_state.ops,
(size_t)(op - g_state.ops),
tag(1), NULL));
GPR_ASSERT(GRPC_CALL_OK ==
grpc_server_request_call(g_state.server, &g_state.server_call,
&g_state.call_details,
&g_state.server_initial_metadata_recv,
g_state.cq, g_state.cq, tag(101)));
cq_expect_completion(g_state.cqv, tag(101), 1);
cq_expect_completion(g_state.cqv, tag(1), 1);
cq_verify(g_state.cqv);
}
}
static void free_port_using_server(char *server, int port) {
grpc_httpcli_context context;
grpc_httpcli_request req;
freereq pr;
char *path;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure shutdown_closure;
grpc_init();
memset(&pr, 0, sizeof(pr));
memset(&req, 0, sizeof(req));
pr.pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pr.pollset, &pr.mu);
grpc_closure_init(&shutdown_closure, destroy_pollset_and_shutdown,
pr.pollset);
req.host = server;
gpr_asprintf(&path, "/drop/%d", port);
req.path = path;
grpc_httpcli_context_init(&context);
grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
&pr);
gpr_mu_lock(pr.mu);
while (!pr.done) {
grpc_pollset_worker *worker = NULL;
grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
}
gpr_mu_unlock(pr.mu);
grpc_httpcli_context_destroy(&context);
grpc_exec_ctx_finish(&exec_ctx);
grpc_pollset_shutdown(&exec_ctx, pr.pollset, &shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(pr.pollset);
gpr_free(path);
}
/* Do both reading and writing using the grpc_endpoint API.
This also includes a test of the shutdown behavior.
*/
static void read_and_write_test(grpc_endpoint_test_config config,
size_t num_bytes, size_t write_size,
size_t slice_size, int shutdown) {
struct read_and_write_test_state state;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
grpc_endpoint_test_fixture f =
begin_test(config, "read_and_write_test", slice_size);
if (shutdown) {
gpr_log(GPR_INFO, "Start read and write shutdown test");
} else {
gpr_log(GPR_INFO, "Start read and write test with %d bytes, slice size %d",
num_bytes, slice_size);
}
state.read_ep = f.client_ep;
state.write_ep = f.server_ep;
state.target_bytes = num_bytes;
state.bytes_read = 0;
state.current_write_size = write_size;
state.bytes_written = 0;
state.read_done = 0;
state.write_done = 0;
state.current_read_data = 0;
state.current_write_data = 0;
/* Get started by pretending an initial write completed */
/* NOTE: Sets up initial conditions so we can have the same write handler
for the first iteration as for later iterations. It does the right thing
even when bytes_written is unsigned. */
state.bytes_written -= state.current_write_size;
read_and_write_test_write_handler(&state, GRPC_ENDPOINT_CB_OK);
grpc_endpoint_notify_on_read(state.read_ep, read_and_write_test_read_handler,
&state);
if (shutdown) {
gpr_log(GPR_DEBUG, "shutdown read");
grpc_endpoint_shutdown(state.read_ep);
gpr_log(GPR_DEBUG, "shutdown write");
grpc_endpoint_shutdown(state.write_ep);
}
gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
while (!state.read_done || !state.write_done) {
GPR_ASSERT(gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), deadline) < 0);
grpc_pollset_work(g_pollset, deadline);
}
gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
grpc_endpoint_destroy(state.read_ep);
grpc_endpoint_destroy(state.write_ep);
end_test(config);
}
void test_times_out(void) {
struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr);
int svr_fd;
#define NUM_CLIENT_CONNECTS 10
int client_fd[NUM_CLIENT_CONNECTS];
int i;
int r;
gpr_event ev;
gpr_timespec connect_deadline;
gpr_event_init(&ev);
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
GPR_ASSERT(0 == listen(svr_fd, 1));
/* Get its address */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
/* tie up the listen buffer, which is somewhat arbitrarily sized. */
for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
client_fd[i] = socket(AF_INET, SOCK_STREAM, 0);
grpc_set_socket_nonblocking(client_fd[i], 1);
do {
r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len);
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r < 0);
GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS);
}
/* connect to dummy server address */
connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);
grpc_tcp_client_connect(must_fail, &ev, (struct sockaddr *)&addr, addr_len,
connect_deadline);
/* Make sure the event doesn't trigger early */
GPR_ASSERT(!gpr_event_wait(&ev, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(500)));
/* Now wait until it should have triggered */
sleep(1);
/* wait for the connection callback to finish */
GPR_ASSERT(gpr_event_wait(&ev, test_deadline()));
close(svr_fd);
for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
close(client_fd[i]);
}
}
// interleave waiting for an event with a timer check
static bool wait_loop(int deadline_seconds, gpr_event *ev) {
while (deadline_seconds) {
gpr_log(GPR_DEBUG, "Test: waiting for %d more seconds", deadline_seconds);
if (gpr_event_wait(ev, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1))) return true;
deadline_seconds--;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_timer_check(&exec_ctx, gpr_now(GPR_CLOCK_MONOTONIC), NULL);
grpc_exec_ctx_finish(&exec_ctx);
}
return false;
}
void bad_ssl_run(grpc_server *server) {
int shutdown_started = 0;
int shutdown_finished = 0;
grpc_event ev;
grpc_call_error error;
grpc_call *s = NULL;
grpc_call_details call_details;
grpc_metadata_array request_metadata_recv;
grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
grpc_call_details_init(&call_details);
grpc_metadata_array_init(&request_metadata_recv);
grpc_server_register_completion_queue(server, cq, NULL);
grpc_server_start(server);
error = grpc_server_request_call(server, &s, &call_details,
&request_metadata_recv, cq, cq, (void *)1);
GPR_ASSERT(GRPC_CALL_OK == error);
signal(SIGINT, sigint_handler);
while (!shutdown_finished) {
if (got_sigint && !shutdown_started) {
gpr_log(GPR_INFO, "Shutting down due to SIGINT");
grpc_server_shutdown_and_notify(server, cq, NULL);
GPR_ASSERT(grpc_completion_queue_pluck(
cq, NULL, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
.type == GRPC_OP_COMPLETE);
grpc_completion_queue_shutdown(cq);
shutdown_started = 1;
}
ev = grpc_completion_queue_next(
cq, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_micros(1000000, GPR_TIMESPAN)),
NULL);
switch (ev.type) {
case GRPC_OP_COMPLETE:
GPR_ASSERT(ev.tag == (void *)1);
GPR_ASSERT(ev.success == 0);
break;
case GRPC_QUEUE_SHUTDOWN:
GPR_ASSERT(shutdown_started);
shutdown_finished = 1;
break;
case GRPC_QUEUE_TIMEOUT:
break;
}
}
GPR_ASSERT(s == NULL);
grpc_call_details_destroy(&call_details);
grpc_metadata_array_destroy(&request_metadata_recv);
}
/* Write to a socket using the grpc_tcp API, then drain it directly.
Note that if the write does not complete immediately we need to drain the
socket in parallel with the read. */
static void write_test(size_t num_bytes, size_t slice_size) {
int sv[2];
grpc_endpoint *ep;
struct write_socket_state state;
size_t num_blocks;
gpr_slice *slices;
gpr_uint8 current_data = 0;
gpr_slice_buffer outgoing;
grpc_closure write_done_closure;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_INFO, "Start write test with %d bytes, slice size %d", num_bytes,
slice_size);
create_sockets(sv);
ep = grpc_tcp_create(grpc_fd_create(sv[1], "write_test"),
GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "test");
grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
state.ep = ep;
state.write_done = 0;
slices = allocate_blocks(num_bytes, slice_size, &num_blocks, ¤t_data);
gpr_slice_buffer_init(&outgoing);
gpr_slice_buffer_addn(&outgoing, slices, num_blocks);
grpc_closure_init(&write_done_closure, write_done, &state);
grpc_endpoint_write(&exec_ctx, ep, &outgoing, &write_done_closure);
drain_socket_blocking(sv[0], num_bytes, num_bytes);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
for (;;) {
grpc_pollset_worker worker;
if (state.write_done) {
break;
}
grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC), deadline);
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
}
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
gpr_slice_buffer_destroy(&outgoing);
grpc_endpoint_destroy(&exec_ctx, ep);
gpr_free(slices);
grpc_exec_ctx_finish(&exec_ctx);
}
static void test_connect(int n) {
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
int svrfd, clifd;
grpc_tcp_server *s = grpc_tcp_server_create();
int nconnects_before;
gpr_timespec deadline;
grpc_pollset *pollsets[1];
int i;
LOG_TEST("test_connect");
gpr_log(GPR_INFO, "clients=%d", n);
memset(&addr, 0, sizeof(addr));
addr.ss_family = AF_INET;
GPR_ASSERT(grpc_tcp_server_add_port(s, (struct sockaddr *)&addr, addr_len));
svrfd = grpc_tcp_server_get_fd(s, 0);
GPR_ASSERT(svrfd >= 0);
GPR_ASSERT(getsockname(svrfd, (struct sockaddr *)&addr, &addr_len) == 0);
GPR_ASSERT(addr_len <= sizeof(addr));
pollsets[0] = &g_pollset;
grpc_tcp_server_start(s, pollsets, 1, on_connect, NULL);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
for (i = 0; i < n; i++) {
deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
nconnects_before = g_nconnects;
clifd = socket(addr.ss_family, SOCK_STREAM, 0);
GPR_ASSERT(clifd >= 0);
gpr_log(GPR_DEBUG, "start connect");
GPR_ASSERT(connect(clifd, (struct sockaddr *)&addr, addr_len) == 0);
gpr_log(GPR_DEBUG, "wait");
while (g_nconnects == nconnects_before &&
gpr_time_cmp(deadline, gpr_now(GPR_CLOCK_REALTIME)) > 0) {
grpc_pollset_work(&g_pollset, deadline);
}
gpr_log(GPR_DEBUG, "wait done");
GPR_ASSERT(g_nconnects == nconnects_before + 1);
close(clifd);
}
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_tcp_server_destroy(s, NULL, NULL);
}
static void test_connect(int n) {
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
int svrfd, clifd;
grpc_tcp_server *s = grpc_tcp_server_create();
int nconnects_before;
gpr_timespec deadline;
int i;
LOG_TEST();
gpr_log(GPR_INFO, "clients=%d", n);
gpr_mu_lock(&mu);
memset(&addr, 0, sizeof(addr));
addr.ss_family = AF_INET;
GPR_ASSERT(grpc_tcp_server_add_port(s, (struct sockaddr *)&addr, addr_len));
svrfd = grpc_tcp_server_get_fd(s, 0);
GPR_ASSERT(svrfd >= 0);
GPR_ASSERT(getsockname(svrfd, (struct sockaddr *)&addr, &addr_len) == 0);
GPR_ASSERT(addr_len <= sizeof(addr));
grpc_tcp_server_start(s, NULL, 0, on_connect, NULL);
for (i = 0; i < n; i++) {
deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);
nconnects_before = nconnects;
clifd = socket(addr.ss_family, SOCK_STREAM, 0);
GPR_ASSERT(clifd >= 0);
GPR_ASSERT(connect(clifd, (struct sockaddr *)&addr, addr_len) == 0);
while (nconnects == nconnects_before) {
GPR_ASSERT(gpr_cv_wait(&cv, &mu, deadline) == 0);
}
GPR_ASSERT(nconnects == nconnects_before + 1);
close(clifd);
if (i != n - 1) {
sleep(1);
}
}
gpr_mu_unlock(&mu);
grpc_tcp_server_destroy(s);
}
static void test_ping(grpc_end2end_test_config config) {
grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
cq_verifier *cqv = cq_verifier_create(f.cq);
grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
int i;
config.init_client(&f, NULL, NULL);
config.init_server(&f, NULL);
grpc_channel_ping(f.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(f.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(
f.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(f.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(f.client, f.cq, tag(i), NULL);
CQ_EXPECT_COMPLETION(cqv, tag(i), 1);
cq_verify(cqv);
}
grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1);
cq_verify(cqv);
/* cleanup server */
grpc_server_destroy(f.server);
grpc_channel_destroy(f.client);
grpc_completion_queue_shutdown(f.cq);
grpc_completion_queue_destroy(f.cq);
config.tear_down_data(&f);
cq_verifier_destroy(cqv);
}
/* Write to a socket until it fills up, then read from it using the grpc_tcp
API. */
static void large_read_test(ssize_t slice_size) {
int sv[2];
grpc_endpoint *ep;
struct read_socket_state state;
ssize_t written_bytes;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
gpr_log(GPR_INFO, "Start large read test, slice size %d", slice_size);
create_sockets(sv);
ep = grpc_tcp_create(grpc_fd_create(sv[1], "large_read_test"), slice_size,
"test");
grpc_endpoint_add_to_pollset(ep, &g_pollset);
written_bytes = fill_socket(sv[0]);
gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
state.ep = ep;
state.read_bytes = 0;
state.target_read_bytes = written_bytes;
gpr_slice_buffer_init(&state.incoming);
grpc_iomgr_closure_init(&state.read_cb, read_cb, &state);
switch (grpc_endpoint_read(ep, &state.incoming, &state.read_cb)) {
case GRPC_ENDPOINT_DONE:
read_cb(&state, 1);
break;
case GRPC_ENDPOINT_ERROR:
read_cb(&state, 0);
break;
case GRPC_ENDPOINT_PENDING:
break;
}
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
while (state.read_bytes < state.target_read_bytes) {
grpc_pollset_worker worker;
grpc_pollset_work(&g_pollset, &worker, gpr_now(GPR_CLOCK_MONOTONIC),
deadline);
}
GPR_ASSERT(state.read_bytes == state.target_read_bytes);
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
gpr_slice_buffer_destroy(&state.incoming);
grpc_endpoint_destroy(ep);
}
static void shutdown_during_write_test(grpc_endpoint_test_config config,
size_t slice_size) {
/* test that shutdown with a pending write creates no leaks */
gpr_timespec deadline;
size_t size;
size_t nblocks;
int current_data = 1;
shutdown_during_write_test_state read_st;
shutdown_during_write_test_state write_st;
gpr_slice *slices;
grpc_endpoint_test_fixture f = begin_test(config, __FUNCTION__, slice_size);
gpr_log(GPR_INFO, "testing shutdown during a write");
read_st.ep = f.client_ep;
write_st.ep = f.server_ep;
gpr_event_init(&read_st.ev);
gpr_event_init(&write_st.ev);
grpc_endpoint_notify_on_read(
read_st.ep, shutdown_during_write_test_read_handler, &read_st);
for (size = 1;; size *= 2) {
slices = allocate_blocks(size, 1, &nblocks, ¤t_data);
switch (grpc_endpoint_write(write_st.ep, slices, nblocks,
shutdown_during_write_test_write_handler,
&write_st)) {
case GRPC_ENDPOINT_WRITE_DONE:
break;
case GRPC_ENDPOINT_WRITE_ERROR:
gpr_log(GPR_ERROR, "error writing");
abort();
case GRPC_ENDPOINT_WRITE_PENDING:
grpc_endpoint_shutdown(write_st.ep);
deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
GPR_ASSERT(gpr_event_wait(&write_st.ev, deadline));
grpc_endpoint_destroy(write_st.ep);
GPR_ASSERT(gpr_event_wait(&read_st.ev, deadline));
gpr_free(slices);
end_test(config);
return;
}
gpr_free(slices);
}
gpr_log(GPR_ERROR, "should never reach here");
abort();
}
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);
}
static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
const grpc_httpcli_response *response) {
size_t i;
int port = 0;
portreq *pr = arg;
int failed = 0;
if (!response) {
failed = 1;
gpr_log(GPR_DEBUG,
"failed port pick from server: retrying [response=NULL]");
} else if (response->status != 200) {
failed = 1;
gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
response->status);
}
if (failed) {
grpc_httpcli_request req;
memset(&req, 0, sizeof(req));
GPR_ASSERT(pr->retries < 10);
gpr_sleep_until(gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_millis(
(int64_t)(1000.0 * (1 + pow(1.3, pr->retries) * rand() / RAND_MAX)),
GPR_TIMESPAN)));
pr->retries++;
req.host = pr->server;
req.http.path = "/get";
grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pops, &req,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
pr);
return;
}
GPR_ASSERT(response);
GPR_ASSERT(response->status == 200);
for (i = 0; i < response->body_length; i++) {
GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
port = port * 10 + response->body[i] - '0';
}
GPR_ASSERT(port > 1024);
gpr_mu_lock(pr->mu);
pr->port = port;
grpc_pollset_kick(grpc_polling_entity_pollset(&pr->pops), NULL);
gpr_mu_unlock(pr->mu);
}
/* Write to a socket until it fills up, then read from it using the grpc_tcp
API. */
static void large_read_test(size_t slice_size) {
int sv[2];
grpc_endpoint *ep;
struct read_socket_state state;
ssize_t written_bytes;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_INFO, "Start large read test, slice size %d", slice_size);
create_sockets(sv);
ep = grpc_tcp_create(grpc_fd_create(sv[1], "large_read_test"), slice_size,
"test");
grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
written_bytes = fill_socket(sv[0]);
gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
state.ep = ep;
state.read_bytes = 0;
state.target_read_bytes = (size_t)written_bytes;
gpr_slice_buffer_init(&state.incoming);
grpc_closure_init(&state.read_cb, read_cb, &state);
grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
while (state.read_bytes < state.target_read_bytes) {
grpc_pollset_worker worker;
grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC), deadline);
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
}
GPR_ASSERT(state.read_bytes == state.target_read_bytes);
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
gpr_slice_buffer_destroy(&state.incoming);
grpc_endpoint_destroy(&exec_ctx, ep);
grpc_exec_ctx_finish(&exec_ctx);
}
void cq_verify(cq_verifier *v) {
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
grpc_event ev;
expectation *e;
char *s;
gpr_strvec have_tags;
gpr_strvec_init(&have_tags);
while (v->expect.next != &v->expect) {
ev = grpc_completion_queue_next(v->cq, deadline, NULL);
if (ev.type == GRPC_QUEUE_TIMEOUT) {
fail_no_event_received(v);
break;
}
for (e = v->expect.next; e != &v->expect; e = e->next) {
gpr_asprintf(&s, " %p", e->tag);
gpr_strvec_add(&have_tags, s);
if (e->tag == ev.tag) {
verify_matches(e, &ev);
e->next->prev = e->prev;
e->prev->next = e->next;
gpr_free(e);
break;
}
}
if (e == &v->expect) {
s = grpc_event_string(&ev);
gpr_log(GPR_ERROR, "event not found: %s", s);
gpr_free(s);
s = gpr_strvec_flatten(&have_tags, NULL);
gpr_log(GPR_ERROR, "have tags:%s", s);
gpr_free(s);
gpr_strvec_destroy(&have_tags);
abort();
}
}
gpr_strvec_destroy(&have_tags);
}
int main(int argc, char **argv) {
grpc_channel *chan;
grpc_call *call;
grpc_metadata md = {"a", "b", 1, {{NULL, NULL, NULL}}};
grpc_completion_queue *cq;
cq_verifier *cqv;
grpc_test_init(argc, argv);
grpc_init();
chan = grpc_lame_client_channel_create();
GPR_ASSERT(chan);
call = grpc_channel_create_call_old(chan, "/Foo", "anywhere",
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100));
GPR_ASSERT(call);
cq = grpc_completion_queue_create();
cqv = cq_verifier_create(cq);
/* we should be able to add metadata */
GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(call, &md, 0));
/* and invoke the call */
GPR_ASSERT(GRPC_CALL_OK == grpc_call_invoke_old(call, cq, tag(2), tag(3), 0));
/* the call should immediately fail */
cq_expect_client_metadata_read(cqv, tag(2), NULL);
cq_expect_finished(cqv, tag(3), NULL);
cq_verify(cqv);
grpc_call_destroy(call);
grpc_channel_destroy(chan);
cq_verifier_destroy(cqv);
grpc_completion_queue_destroy(cq);
grpc_shutdown();
return 0;
}
static void test_add_closure(void) {
grpc_closure c;
int done = 0;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
grpc_pollset_worker worker;
grpc_closure_init(&c, must_succeed, &done);
grpc_workqueue_push(wq, &c, 1);
grpc_workqueue_add_to_pollset(&exec_ctx, wq, &g_pollset);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
GPR_ASSERT(!done);
grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
gpr_now(deadline.clock_type), deadline);
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
GRPC_WORKQUEUE_UNREF(&exec_ctx, wq, "destroy");
grpc_exec_ctx_finish(&exec_ctx);
}
static void test_flush(void) {
grpc_closure c;
int done = 0;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
grpc_pollset_worker *worker = NULL;
grpc_closure_init(&c, must_succeed, &done);
grpc_exec_ctx_enqueue(&exec_ctx, &c, true, NULL);
grpc_workqueue_flush(&exec_ctx, wq);
grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
gpr_mu_lock(g_mu);
GPR_ASSERT(!done);
grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
deadline);
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(done);
GRPC_WORKQUEUE_UNREF(&exec_ctx, wq, "destroy");
grpc_exec_ctx_finish(&exec_ctx);
}
static gpr_timespec n_seconds_time(int n) {
return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
}
static void run_test(const char *target, size_t nops) {
grpc_channel_credentials *ssl_creds =
grpc_ssl_credentials_create(NULL, NULL, NULL);
grpc_channel *channel;
grpc_call *c;
grpc_metadata_array initial_metadata_recv;
grpc_metadata_array trailing_metadata_recv;
char *details = NULL;
size_t details_capacity = 0;
grpc_status_code status;
grpc_call_error error;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
cq_verifier *cqv = cq_verifier_create(cq);
grpc_op ops[6];
grpc_op *op;
grpc_arg ssl_name_override = {GRPC_ARG_STRING,
GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
{"foo.test.google.fr"}
};
grpc_channel_args args;
args.num_args = 1;
args.args = &ssl_name_override;
grpc_metadata_array_init(&initial_metadata_recv);
grpc_metadata_array_init(&trailing_metadata_recv);
channel = grpc_secure_channel_create(ssl_creds, target, &args, NULL);
c = grpc_channel_create_call(channel, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
"/foo", "foo.test.google.fr:1234", deadline,
NULL);
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_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++;
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_SEND_CLOSE_FROM_CLIENT;
op->flags = 0;
op->reserved = NULL;
op++;
error = grpc_call_start_batch(c, ops, nops, tag(1), NULL);
GPR_ASSERT(GRPC_CALL_OK == error);
cq_expect_completion(cqv, tag(1), 1);
cq_verify(cqv);
GPR_ASSERT(status != GRPC_STATUS_OK);
grpc_call_destroy(c);
gpr_free(details);
grpc_metadata_array_destroy(&initial_metadata_recv);
grpc_metadata_array_destroy(&trailing_metadata_recv);
grpc_channel_destroy(channel);
grpc_completion_queue_destroy(cq);
cq_verifier_destroy(cqv);
grpc_channel_credentials_release(ssl_creds);
}
static void test_receive(int number_of_clients) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
int clifd, svrfd;
grpc_udp_server *s = grpc_udp_server_create();
int i;
int number_of_reads_before;
gpr_timespec deadline;
grpc_pollset *pollsets[1];
LOG_TEST("test_receive");
gpr_log(GPR_INFO, "clients=%d", number_of_clients);
g_number_of_bytes_read = 0;
g_number_of_orphan_calls = 0;
memset(&addr, 0, sizeof(addr));
addr.ss_family = AF_INET;
GPR_ASSERT(grpc_udp_server_add_port(s, (struct sockaddr *)&addr, addr_len,
on_read, on_fd_orphaned));
svrfd = grpc_udp_server_get_fd(s, 0);
GPR_ASSERT(svrfd >= 0);
GPR_ASSERT(getsockname(svrfd, (struct sockaddr *)&addr, &addr_len) == 0);
GPR_ASSERT(addr_len <= sizeof(addr));
pollsets[0] = g_pollset;
grpc_udp_server_start(&exec_ctx, s, pollsets, 1, NULL);
gpr_mu_lock(g_mu);
for (i = 0; i < number_of_clients; i++) {
deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
number_of_reads_before = g_number_of_reads;
/* Create a socket, send a packet to the UDP server. */
clifd = socket(addr.ss_family, SOCK_DGRAM, 0);
GPR_ASSERT(clifd >= 0);
GPR_ASSERT(connect(clifd, (struct sockaddr *)&addr, addr_len) == 0);
GPR_ASSERT(5 == write(clifd, "hello", 5));
while (g_number_of_reads == number_of_reads_before &&
gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) {
grpc_pollset_worker *worker = NULL;
GPR_ASSERT(GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(&exec_ctx, g_pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC), deadline)));
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(g_mu);
}
GPR_ASSERT(g_number_of_reads == number_of_reads_before + 1);
close(clifd);
}
GPR_ASSERT(g_number_of_bytes_read == 5 * number_of_clients);
gpr_mu_unlock(g_mu);
grpc_udp_server_destroy(&exec_ctx, s, NULL);
grpc_exec_ctx_finish(&exec_ctx);
/* The server had a single FD, which should have been orphaned. */
GPR_ASSERT(g_number_of_orphan_calls == 1);
}
/** Returns connection sequence (server indices), which must be freed */
static int *perform_request(servers_fixture *f, grpc_channel *client,
request_data *rdata, const test_spec *spec) {
grpc_call *c;
int s_idx;
int *s_valid;
grpc_op ops[6];
grpc_op *op;
int was_cancelled;
size_t i, iter_num;
grpc_event ev;
int read_tag;
int *connection_sequence;
int completed_client;
s_valid = gpr_malloc(sizeof(int) * f->num_servers);
connection_sequence = gpr_malloc(sizeof(int) * spec->num_iters);
for (iter_num = 0; iter_num < spec->num_iters; iter_num++) {
cq_verifier *cqv = cq_verifier_create(f->cq);
rdata->details = NULL;
rdata->details_capacity = 0;
was_cancelled = 2;
for (i = 0; i < f->num_servers; i++) {
if (spec->kill_at[iter_num][i] != 0) {
kill_server(f, i);
} else if (spec->revive_at[iter_num][i] != 0) {
/* killing takes precedence */
revive_server(f, rdata, i);
}
}
connection_sequence[iter_num] = -1;
grpc_metadata_array_init(&rdata->initial_metadata_recv);
grpc_metadata_array_init(&rdata->trailing_metadata_recv);
for (i = 0; i < f->num_servers; i++) {
grpc_call_details_init(&rdata->call_details[i]);
}
memset(s_valid, 0, f->num_servers * sizeof(int));
c = grpc_channel_create_call(client, NULL, GRPC_PROPAGATE_DEFAULTS, f->cq,
"/foo", "foo.test.google.fr",
gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
GPR_ASSERT(c);
completed_client = 0;
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 = &rdata->initial_metadata_recv;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
op->data.recv_status_on_client.trailing_metadata =
&rdata->trailing_metadata_recv;
op->data.recv_status_on_client.status = &rdata->status;
op->data.recv_status_on_client.status_details = &rdata->details;
op->data.recv_status_on_client.status_details_capacity =
&rdata->details_capacity;
op->flags = 0;
op->reserved = NULL;
op++;
GPR_ASSERT(GRPC_CALL_OK ==
grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL));
s_idx = -1;
while ((ev = grpc_completion_queue_next(
f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL))
.type != GRPC_QUEUE_TIMEOUT) {
GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
read_tag = ((int)(gpr_intptr)ev.tag);
gpr_log(GPR_DEBUG, "EVENT: success:%d, type:%d, tag:%d iter:%d",
ev.success, ev.type, read_tag, iter_num);
if (ev.success && read_tag >= 1000) {
GPR_ASSERT(s_idx == -1); /* only one server must reply */
/* only server notifications for non-shutdown events */
s_idx = read_tag - 1000;
s_valid[s_idx] = 1;
connection_sequence[iter_num] = s_idx;
break;
} else if (read_tag == 1) {
gpr_log(GPR_DEBUG, "client timed out");
GPR_ASSERT(ev.success);
completed_client = 1;
}
}
if (s_idx >= 0) {
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_STATUS_FROM_SERVER;
op->data.send_status_from_server.trailing_metadata_count = 0;
op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
op->data.send_status_from_server.status_details = "xyz";
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
op->data.recv_close_on_server.cancelled = &was_cancelled;
op->flags = 0;
op->reserved = NULL;
op++;
GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(f->server_calls[s_idx],
ops, (size_t)(op - ops),
tag(102), NULL));
cq_expect_completion(cqv, tag(102), 1);
if (!completed_client) {
cq_expect_completion(cqv, tag(1), 1);
}
cq_verify(cqv);
gpr_log(GPR_DEBUG, "status=%d; %s", rdata->status, rdata->details);
GPR_ASSERT(rdata->status == GRPC_STATUS_UNIMPLEMENTED);
GPR_ASSERT(0 == strcmp(rdata->details, "xyz"));
GPR_ASSERT(0 == strcmp(rdata->call_details[s_idx].method, "/foo"));
GPR_ASSERT(0 ==
strcmp(rdata->call_details[s_idx].host, "foo.test.google.fr"));
GPR_ASSERT(was_cancelled == 1);
grpc_call_destroy(f->server_calls[s_idx]);
/* ask for the next request on this server */
GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
f->servers[s_idx], &f->server_calls[s_idx],
&rdata->call_details[s_idx],
&f->request_metadata_recv[s_idx], f->cq,
f->cq, tag(1000 + (int)s_idx)));
} else { /* no response from server */
grpc_call_cancel(c, NULL);
if (!completed_client) {
cq_expect_completion(cqv, tag(1), 1);
cq_verify(cqv);
}
}
GPR_ASSERT(grpc_completion_queue_next(
f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(200), NULL).type == GRPC_QUEUE_TIMEOUT);
grpc_metadata_array_destroy(&rdata->initial_metadata_recv);
grpc_metadata_array_destroy(&rdata->trailing_metadata_recv);
cq_verifier_destroy(cqv);
grpc_call_destroy(c);
for (i = 0; i < f->num_servers; i++) {
grpc_call_details_destroy(&rdata->call_details[i]);
}
gpr_free(rdata->details);
}
gpr_free(s_valid);
return connection_sequence;
}
void grpc_run_bad_client_test(const char *name, const char *client_payload,
size_t client_payload_length,
grpc_bad_client_server_side_validator validator) {
grpc_endpoint_pair sfd;
thd_args a;
gpr_thd_id id;
gpr_slice slice =
gpr_slice_from_copied_buffer(client_payload, client_payload_length);
/* Add a debug log */
gpr_log(GPR_INFO, "TEST: %s", name);
/* Init grpc */
grpc_init();
/* Create endpoints */
sfd = grpc_iomgr_create_endpoint_pair(65536);
/* Create server, completion events */
a.server = grpc_server_create_from_filters(NULL, 0, NULL);
a.cq = grpc_completion_queue_create();
gpr_event_init(&a.done_thd);
gpr_event_init(&a.done_write);
a.validator = validator;
grpc_server_register_completion_queue(a.server, a.cq);
grpc_server_start(a.server);
grpc_create_chttp2_transport(server_setup_transport, &a, NULL, sfd.server,
NULL, 0, grpc_mdctx_create(), 0);
/* Bind everything into the same pollset */
grpc_endpoint_add_to_pollset(sfd.client, grpc_cq_pollset(a.cq));
grpc_endpoint_add_to_pollset(sfd.server, grpc_cq_pollset(a.cq));
/* Check a ground truth */
GPR_ASSERT(grpc_server_has_open_connections(a.server));
/* Start validator */
gpr_thd_new(&id, thd_func, &a, NULL);
/* Write data */
switch (grpc_endpoint_write(sfd.client, &slice, 1, done_write, &a)) {
case GRPC_ENDPOINT_WRITE_DONE:
done_write(&a, 1);
break;
case GRPC_ENDPOINT_WRITE_PENDING:
break;
case GRPC_ENDPOINT_WRITE_ERROR:
done_write(&a, 0);
break;
}
/* Await completion */
GPR_ASSERT(
gpr_event_wait(&a.done_write, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
GPR_ASSERT(gpr_event_wait(&a.done_thd, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
/* Shutdown */
grpc_endpoint_destroy(sfd.client);
grpc_server_destroy(a.server);
grpc_completion_queue_destroy(a.cq);
grpc_shutdown();
}
int main(int argc, char **argv) {
gpr_slice slice = gpr_slice_from_copied_string("x");
double start, stop;
unsigned i;
char *fake_argv[1];
int payload_size = 1;
int secure = 0;
char *target = "localhost:443";
gpr_cmdline *cl;
grpc_event event;
char *scenario_name = "ping-pong-request";
scenario sc = {NULL, NULL, NULL};
gpr_timers_set_log_filename("latency_trace.fling_client.txt");
grpc_init();
GPR_ASSERT(argc >= 1);
fake_argv[0] = argv[0];
grpc_test_init(1, fake_argv);
cl = gpr_cmdline_create("fling client");
gpr_cmdline_add_int(cl, "payload_size", "Size of the payload to send",
&payload_size);
gpr_cmdline_add_string(cl, "target", "Target host:port", &target);
gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure);
gpr_cmdline_add_string(cl, "scenario", "Scenario", &scenario_name);
gpr_cmdline_parse(cl, argc, argv);
gpr_cmdline_destroy(cl);
for (i = 0; i < GPR_ARRAY_SIZE(scenarios); i++) {
if (0 == strcmp(scenarios[i].name, scenario_name)) {
sc = scenarios[i];
}
}
if (!sc.name) {
fprintf(stderr, "unsupported scenario '%s'. Valid are:", scenario_name);
for (i = 0; i < GPR_ARRAY_SIZE(scenarios); i++) {
fprintf(stderr, " %s", scenarios[i].name);
}
return 1;
}
channel = grpc_insecure_channel_create(target, NULL, NULL);
cq = grpc_completion_queue_create(NULL);
the_buffer = grpc_raw_byte_buffer_create(&slice, (size_t)payload_size);
histogram = gpr_histogram_create(0.01, 60e9);
sc.init();
gpr_timespec end_warmup = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3);
gpr_timespec end_profiling = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(30);
while (gpr_time_cmp(gpr_now(end_warmup.clock_type), end_warmup) < 0) {
sc.do_one_step();
}
gpr_log(GPR_INFO, "start profiling");
grpc_profiler_start("client.prof");
while (gpr_time_cmp(gpr_now(end_profiling.clock_type), end_profiling) < 0) {
start = now();
sc.do_one_step();
stop = now();
gpr_histogram_add(histogram, stop - start);
}
grpc_profiler_stop();
if (call) {
grpc_call_destroy(call);
}
grpc_channel_destroy(channel);
grpc_completion_queue_shutdown(cq);
do {
event = grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
NULL);
} while (event.type != GRPC_QUEUE_SHUTDOWN);
grpc_completion_queue_destroy(cq);
grpc_byte_buffer_destroy(the_buffer);
gpr_slice_unref(slice);
gpr_log(GPR_INFO, "latency (50/95/99/99.9): %f/%f/%f/%f",
gpr_histogram_percentile(histogram, 50),
gpr_histogram_percentile(histogram, 95),
gpr_histogram_percentile(histogram, 99),
gpr_histogram_percentile(histogram, 99.9));
gpr_histogram_destroy(histogram);
grpc_shutdown();
return 0;
}
