static void test_create_channel_stack(void) {
const grpc_channel_filter filter = {
call_func,
channel_func,
sizeof(int),
call_init_func,
grpc_call_stack_ignore_set_pollset_or_pollset_set,
call_destroy_func,
sizeof(int),
channel_init_func,
channel_destroy_func,
get_peer,
grpc_channel_next_get_info,
"some_test_filter"};
const grpc_channel_filter *filters = &filter;
grpc_channel_stack *channel_stack;
grpc_call_stack *call_stack;
grpc_channel_element *channel_elem;
grpc_call_element *call_elem;
grpc_arg arg;
grpc_channel_args chan_args;
int *channel_data;
int *call_data;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_mdstr *path = grpc_mdstr_from_string("/service/method");
arg.type = GRPC_ARG_INTEGER;
arg.key = "test_key";
arg.value.integer = 42;
chan_args.num_args = 1;
chan_args.args = &arg;
channel_stack = gpr_malloc(grpc_channel_stack_size(&filters, 1));
grpc_channel_stack_init(&exec_ctx, 1, free_channel, channel_stack, &filters,
1, &chan_args, NULL, "test", channel_stack);
GPR_ASSERT(channel_stack->count == 1);
channel_elem = grpc_channel_stack_element(channel_stack, 0);
channel_data = (int *)channel_elem->channel_data;
GPR_ASSERT(*channel_data == 0);
call_stack = gpr_malloc(channel_stack->call_stack_size);
grpc_error *error =
grpc_call_stack_init(&exec_ctx, channel_stack, 1, free_call, call_stack,
NULL, NULL, path, gpr_now(GPR_CLOCK_MONOTONIC),
gpr_inf_future(GPR_CLOCK_MONOTONIC), call_stack);
GPR_ASSERT(error == GRPC_ERROR_NONE);
GPR_ASSERT(call_stack->count == 1);
call_elem = grpc_call_stack_element(call_stack, 0);
GPR_ASSERT(call_elem->filter == channel_elem->filter);
GPR_ASSERT(call_elem->channel_data == channel_elem->channel_data);
call_data = (int *)call_elem->call_data;
GPR_ASSERT(*call_data == 0);
GPR_ASSERT(*channel_data == 1);
GRPC_CALL_STACK_UNREF(&exec_ctx, call_stack, "done");
grpc_exec_ctx_flush(&exec_ctx);
GPR_ASSERT(*channel_data == 2);
GRPC_CHANNEL_STACK_UNREF(&exec_ctx, channel_stack, "done");
grpc_exec_ctx_finish(&exec_ctx);
GRPC_MDSTR_UNREF(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);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_DEBUG, "num_bytes=%d write_size=%d slice_size=%d shutdown=%d",
num_bytes, write_size, slice_size, shutdown);
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;
grpc_closure_init(&state.done_read, read_and_write_test_read_handler, &state);
grpc_closure_init(&state.done_write, read_and_write_test_write_handler,
&state);
gpr_slice_buffer_init(&state.outgoing);
gpr_slice_buffer_init(&state.incoming);
/* 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(&exec_ctx, &state, 1);
grpc_exec_ctx_finish(&exec_ctx);
grpc_endpoint_read(&exec_ctx, state.read_ep, &state.incoming,
&state.done_read);
if (shutdown) {
gpr_log(GPR_DEBUG, "shutdown read");
grpc_endpoint_shutdown(&exec_ctx, state.read_ep);
gpr_log(GPR_DEBUG, "shutdown write");
grpc_endpoint_shutdown(&exec_ctx, state.write_ep);
}
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
while (!state.read_done || !state.write_done) {
grpc_pollset_worker worker;
GPR_ASSERT(gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), deadline) < 0);
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);
end_test(config);
gpr_slice_buffer_destroy(&state.outgoing);
gpr_slice_buffer_destroy(&state.incoming);
grpc_endpoint_destroy(&exec_ctx, state.read_ep);
grpc_endpoint_destroy(&exec_ctx, state.write_ep);
grpc_exec_ctx_finish(&exec_ctx);
}
/* Takes ownership of ctx. */
static void retrieve_key_and_verify(verifier_cb_ctx *ctx) {
const char *at_sign;
grpc_httpcli_response_cb http_cb;
char *path_prefix = NULL;
const char *iss;
grpc_httpcli_request req;
memset(&req, 0, sizeof(grpc_httpcli_request));
req.use_ssl = 1;
GPR_ASSERT(ctx != NULL && ctx->header != NULL && ctx->claims != NULL);
iss = ctx->claims->iss;
if (ctx->header->kid == NULL) {
gpr_log(GPR_ERROR, "Missing kid in jose header.");
goto error;
}
if (iss == NULL) {
gpr_log(GPR_ERROR, "Missing iss in claims.");
goto error;
}
/* This code relies on:
https://openid.net/specs/openid-connect-discovery-1_0.html
Nobody seems to implement the account/email/webfinger part 2. of the spec
so we will rely instead on email/url mappings if we detect such an issuer.
Part 4, on the other hand is implemented by both google and salesforce. */
/* Very non-sophisticated way to detect an email address. Should be good
enough for now... */
at_sign = strchr(iss, '@');
if (at_sign != NULL) {
email_key_mapping *mapping;
const char *email_domain = at_sign + 1;
GPR_ASSERT(ctx->verifier != NULL);
mapping = verifier_get_mapping(ctx->verifier, email_domain);
if (mapping == NULL) {
gpr_log(GPR_ERROR, "Missing mapping for issuer email.");
goto error;
}
req.host = gpr_strdup(mapping->key_url_prefix);
path_prefix = strchr(req.host, '/');
if (path_prefix == NULL) {
gpr_asprintf(&req.path, "/%s", iss);
} else {
*(path_prefix++) = '\0';
gpr_asprintf(&req.path, "/%s/%s", path_prefix, iss);
}
http_cb = on_keys_retrieved;
} else {
req.host = gpr_strdup(strstr(iss, "https://") == iss ? iss + 8 : iss);
path_prefix = strchr(req.host, '/');
if (path_prefix == NULL) {
req.path = gpr_strdup(GRPC_OPENID_CONFIG_URL_SUFFIX);
} else {
*(path_prefix++) = 0;
gpr_asprintf(&req.path, "/%s%s", path_prefix,
GRPC_OPENID_CONFIG_URL_SUFFIX);
}
http_cb = on_openid_config_retrieved;
}
grpc_httpcli_get(
&ctx->verifier->http_ctx, ctx->pollset, &req,
gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), grpc_jwt_verifier_max_delay),
http_cb, ctx);
gpr_free(req.host);
gpr_free(req.path);
return;
error:
ctx->user_cb(ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, NULL);
verifier_cb_ctx_destroy(ctx);
}
static int is_stack_running_on_compute_engine(grpc_exec_ctx *exec_ctx) {
compute_engine_detector detector;
grpc_httpcli_request request;
grpc_httpcli_context context;
grpc_closure destroy_closure;
/* The http call is local. If it takes more than one sec, it is for sure not
on compute engine. */
gpr_timespec max_detection_delay = gpr_time_from_seconds(1, GPR_TIMESPAN);
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &g_polling_mu);
detector.pollent = grpc_polling_entity_create_from_pollset(pollset);
detector.is_done = 0;
detector.success = 0;
memset(&detector.response, 0, sizeof(detector.response));
memset(&request, 0, sizeof(grpc_httpcli_request));
request.host = GRPC_COMPUTE_ENGINE_DETECTION_HOST;
request.http.path = "/";
grpc_httpcli_context_init(&context);
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("google_default_credentials");
grpc_httpcli_get(
exec_ctx, &context, &detector.pollent, resource_quota, &request,
gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), max_detection_delay),
grpc_closure_create(on_compute_engine_detection_http_response, &detector,
grpc_schedule_on_exec_ctx),
&detector.response);
grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
grpc_exec_ctx_flush(exec_ctx);
/* Block until we get the response. This is not ideal but this should only be
called once for the lifetime of the process by the default credentials. */
gpr_mu_lock(g_polling_mu);
while (!detector.is_done) {
grpc_pollset_worker *worker = NULL;
if (!GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(exec_ctx,
grpc_polling_entity_pollset(&detector.pollent),
&worker, gpr_now(GPR_CLOCK_MONOTONIC),
gpr_inf_future(GPR_CLOCK_MONOTONIC)))) {
detector.is_done = 1;
detector.success = 0;
}
}
gpr_mu_unlock(g_polling_mu);
grpc_httpcli_context_destroy(exec_ctx, &context);
grpc_closure_init(&destroy_closure, destroy_pollset,
grpc_polling_entity_pollset(&detector.pollent),
grpc_schedule_on_exec_ctx);
grpc_pollset_shutdown(exec_ctx,
grpc_polling_entity_pollset(&detector.pollent),
&destroy_closure);
g_polling_mu = NULL;
grpc_exec_ctx_flush(exec_ctx);
gpr_free(grpc_polling_entity_pollset(&detector.pollent));
grpc_http_response_destroy(&detector.response);
return detector.success;
}
/* Tries to issue one async connection, then schedules both an IOCP
notification request for the connection, and one timeout alert. */
void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_done,
grpc_endpoint **endpoint,
grpc_pollset_set *interested_parties,
const struct sockaddr *addr, size_t addr_len,
gpr_timespec deadline) {
SOCKET sock = INVALID_SOCKET;
BOOL success;
int status;
struct sockaddr_in6 addr6_v4mapped;
struct sockaddr_in6 local_address;
async_connect *ac;
grpc_winsocket *socket = NULL;
LPFN_CONNECTEX ConnectEx;
GUID guid = WSAID_CONNECTEX;
DWORD ioctl_num_bytes;
const char *message = NULL;
char *utf8_message;
grpc_winsocket_callback_info *info;
*endpoint = NULL;
/* Use dualstack sockets where available. */
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) {
addr = (const struct sockaddr *)&addr6_v4mapped;
addr_len = sizeof(addr6_v4mapped);
}
sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0,
WSA_FLAG_OVERLAPPED);
if (sock == INVALID_SOCKET) {
message = "Unable to create socket: %s";
goto failure;
}
if (!grpc_tcp_prepare_socket(sock)) {
message = "Unable to set socket options: %s";
goto failure;
}
/* Grab the function pointer for ConnectEx for that specific socket.
It may change depending on the interface. */
status =
WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, &guid, sizeof(guid),
&ConnectEx, sizeof(ConnectEx), &ioctl_num_bytes, NULL, NULL);
if (status != 0) {
message = "Unable to retrieve ConnectEx pointer: %s";
goto failure;
}
grpc_sockaddr_make_wildcard6(0, &local_address);
status = bind(sock, (struct sockaddr *)&local_address, sizeof(local_address));
if (status != 0) {
message = "Unable to bind socket: %s";
goto failure;
}
socket = grpc_winsocket_create(sock, "client");
info = &socket->write_info;
success =
ConnectEx(sock, addr, (int)addr_len, NULL, 0, NULL, &info->overlapped);
/* It wouldn't be unusual to get a success immediately. But we'll still get
an IOCP notification, so let's ignore it. */
if (!success) {
int error = WSAGetLastError();
if (error != ERROR_IO_PENDING) {
message = "ConnectEx failed: %s";
goto failure;
}
}
ac = gpr_malloc(sizeof(async_connect));
ac->on_done = on_done;
ac->socket = socket;
gpr_mu_init(&ac->mu);
ac->refs = 2;
ac->addr_name = grpc_sockaddr_to_uri(addr);
ac->endpoint = endpoint;
grpc_closure_init(&ac->on_connect, on_connect, ac);
grpc_timer_init(exec_ctx, &ac->alarm, deadline, on_alarm, ac,
gpr_now(GPR_CLOCK_MONOTONIC));
grpc_socket_notify_on_write(exec_ctx, socket, &ac->on_connect);
return;
failure:
utf8_message = gpr_format_message(WSAGetLastError());
gpr_log(GPR_ERROR, message, utf8_message);
gpr_free(utf8_message);
if (socket != NULL) {
grpc_winsocket_destroy(socket);
} else if (sock != INVALID_SOCKET) {
closesocket(sock);
}
grpc_exec_ctx_enqueue(exec_ctx, on_done, false, NULL);
}
static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx,
grpc_closure *closure, grpc_endpoint **ep,
grpc_pollset_set *interested_parties,
const grpc_channel_args *channel_args,
const grpc_resolved_address *addr,
gpr_timespec deadline) {
int fd;
grpc_dualstack_mode dsmode;
int err;
async_connect *ac;
grpc_resolved_address addr6_v4mapped;
grpc_resolved_address addr4_copy;
grpc_fd *fdobj;
char *name;
char *addr_str;
grpc_error *error;
*ep = NULL;
/* Use dualstack sockets where available. */
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) {
addr = &addr6_v4mapped;
}
error = grpc_create_dualstack_socket(addr, SOCK_STREAM, 0, &dsmode, &fd);
if (error != GRPC_ERROR_NONE) {
grpc_closure_sched(exec_ctx, closure, error);
return;
}
if (dsmode == GRPC_DSMODE_IPV4) {
/* If we got an AF_INET socket, map the address back to IPv4. */
GPR_ASSERT(grpc_sockaddr_is_v4mapped(addr, &addr4_copy));
addr = &addr4_copy;
}
if ((error = prepare_socket(addr, fd, channel_args)) != GRPC_ERROR_NONE) {
grpc_closure_sched(exec_ctx, closure, error);
return;
}
do {
GPR_ASSERT(addr->len < ~(socklen_t)0);
err =
connect(fd, (const struct sockaddr *)addr->addr, (socklen_t)addr->len);
} while (err < 0 && errno == EINTR);
addr_str = grpc_sockaddr_to_uri(addr);
gpr_asprintf(&name, "tcp-client:%s", addr_str);
fdobj = grpc_fd_create(fd, name);
if (err >= 0) {
*ep =
grpc_tcp_client_create_from_fd(exec_ctx, fdobj, channel_args, addr_str);
grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE);
goto done;
}
if (errno != EWOULDBLOCK && errno != EINPROGRESS) {
grpc_fd_orphan(exec_ctx, fdobj, NULL, NULL, "tcp_client_connect_error");
grpc_closure_sched(exec_ctx, closure, GRPC_OS_ERROR(errno, "connect"));
goto done;
}
grpc_pollset_set_add_fd(exec_ctx, interested_parties, fdobj);
ac = gpr_malloc(sizeof(async_connect));
ac->closure = closure;
ac->ep = ep;
ac->fd = fdobj;
ac->interested_parties = interested_parties;
ac->addr_str = addr_str;
addr_str = NULL;
gpr_mu_init(&ac->mu);
ac->refs = 2;
grpc_closure_init(&ac->write_closure, on_writable, ac,
grpc_schedule_on_exec_ctx);
ac->channel_args = grpc_channel_args_copy(channel_args);
if (grpc_tcp_trace) {
gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting",
ac->addr_str);
}
gpr_mu_lock(&ac->mu);
grpc_closure_init(&ac->on_alarm, tc_on_alarm, ac, grpc_schedule_on_exec_ctx);
grpc_timer_init(exec_ctx, &ac->alarm,
gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),
&ac->on_alarm, gpr_now(GPR_CLOCK_MONOTONIC));
grpc_fd_notify_on_write(exec_ctx, ac->fd, &ac->write_closure);
gpr_mu_unlock(&ac->mu);
done:
gpr_free(name);
gpr_free(addr_str);
}
static void add_test(void) {
gpr_timespec start = gpr_now(GPR_CLOCK_REALTIME);
int i;
grpc_alarm alarms[20];
grpc_alarm_list_init(start);
memset(cb_called, 0, sizeof(cb_called));
/* 10 ms alarms. will expire in the current epoch */
for (i = 0; i < 10; i++) {
grpc_alarm_init(&alarms[i],
gpr_time_add(start, gpr_time_from_millis(10, GPR_TIMESPAN)),
cb, (void *)(gpr_intptr)i, start);
}
/* 1010 ms alarms. will expire in the next epoch */
for (i = 10; i < 20; i++) {
grpc_alarm_init(&alarms[i], gpr_time_add(start, gpr_time_from_millis(
1010, GPR_TIMESPAN)),
cb, (void *)(gpr_intptr)i, start);
}
/* collect alarms. Only the first batch should be ready. */
GPR_ASSERT(10 == grpc_alarm_check(NULL,
gpr_time_add(start, gpr_time_from_millis(
500, GPR_TIMESPAN)),
NULL));
for (i = 0; i < 20; i++) {
GPR_ASSERT(cb_called[i][1] == (i < 10));
GPR_ASSERT(cb_called[i][0] == 0);
}
GPR_ASSERT(0 == grpc_alarm_check(
NULL, gpr_time_add(
start, gpr_time_from_millis(600, GPR_TIMESPAN)),
NULL));
for (i = 0; i < 30; i++) {
GPR_ASSERT(cb_called[i][1] == (i < 10));
GPR_ASSERT(cb_called[i][0] == 0);
}
/* collect the rest of the alarms */
GPR_ASSERT(
10 == grpc_alarm_check(NULL, gpr_time_add(start, gpr_time_from_millis(
1500, GPR_TIMESPAN)),
NULL));
for (i = 0; i < 30; i++) {
GPR_ASSERT(cb_called[i][1] == (i < 20));
GPR_ASSERT(cb_called[i][0] == 0);
}
GPR_ASSERT(0 == grpc_alarm_check(NULL,
gpr_time_add(start, gpr_time_from_millis(
1600, GPR_TIMESPAN)),
NULL));
for (i = 0; i < 30; i++) {
GPR_ASSERT(cb_called[i][1] == (i < 20));
GPR_ASSERT(cb_called[i][0] == 0);
}
grpc_alarm_list_shutdown();
}
static void on_initial_header(void *tp, grpc_mdelem *md) {
grpc_chttp2_transport_parsing *transport_parsing = tp;
grpc_chttp2_stream_parsing *stream_parsing =
transport_parsing->incoming_stream;
GPR_TIMER_BEGIN("on_initial_header", 0);
GPR_ASSERT(stream_parsing);
GRPC_CHTTP2_IF_TRACING(gpr_log(
GPR_INFO, "HTTP:%d:HDR:%s: %s: %s", stream_parsing->id,
transport_parsing->is_client ? "CLI" : "SVR",
grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value)));
if (md->key == GRPC_MDSTR_GRPC_STATUS && md != GRPC_MDELEM_GRPC_STATUS_0) {
/* TODO(ctiller): check for a status like " 0" */
stream_parsing->seen_error = true;
}
if (md->key == GRPC_MDSTR_GRPC_TIMEOUT) {
gpr_timespec *cached_timeout = grpc_mdelem_get_user_data(md, free_timeout);
if (!cached_timeout) {
/* not already parsed: parse it now, and store the result away */
cached_timeout = gpr_malloc(sizeof(gpr_timespec));
if (!grpc_chttp2_decode_timeout(grpc_mdstr_as_c_string(md->value),
cached_timeout)) {
gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'",
grpc_mdstr_as_c_string(md->value));
*cached_timeout = gpr_inf_future(GPR_TIMESPAN);
}
grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
}
grpc_chttp2_incoming_metadata_buffer_set_deadline(
&stream_parsing->metadata_buffer[0],
gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), *cached_timeout));
GRPC_MDELEM_UNREF(md);
} else {
const size_t new_size =
stream_parsing->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md);
grpc_chttp2_transport_global *transport_global =
&TRANSPORT_FROM_PARSING(transport_parsing)->global;
const size_t metadata_size_limit =
transport_global->settings[GRPC_LOCAL_SETTINGS]
[GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE];
if (new_size > metadata_size_limit) {
if (!stream_parsing->exceeded_metadata_size) {
gpr_log(GPR_DEBUG,
"received initial metadata size exceeds limit (%" PRIuPTR
" vs. %" PRIuPTR ")",
new_size, metadata_size_limit);
stream_parsing->seen_error = true;
stream_parsing->exceeded_metadata_size = true;
}
GRPC_MDELEM_UNREF(md);
} else {
grpc_chttp2_incoming_metadata_buffer_add(
&stream_parsing->metadata_buffer[0], md);
}
}
grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing);
GPR_TIMER_END("on_initial_header", 0);
}
/* Test that changing the callback we use for notify_on_read actually works.
Note that we have two different but almost identical callbacks above -- the
point is to have two different function pointers and two different data
pointers and make sure that changing both really works. */
static void test_grpc_fd_change(void) {
grpc_fd *em_fd;
fd_change_data a, b;
int flags;
int sv[2];
char data;
ssize_t result;
grpc_closure first_closure;
grpc_closure second_closure;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GRPC_CLOSURE_INIT(&first_closure, first_read_callback, &a,
grpc_schedule_on_exec_ctx);
GRPC_CLOSURE_INIT(&second_closure, second_read_callback, &b,
grpc_schedule_on_exec_ctx);
init_change_data(&a);
init_change_data(&b);
GPR_ASSERT(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
flags = fcntl(sv[0], F_GETFL, 0);
GPR_ASSERT(fcntl(sv[0], F_SETFL, flags | O_NONBLOCK) == 0);
flags = fcntl(sv[1], F_GETFL, 0);
GPR_ASSERT(fcntl(sv[1], F_SETFL, flags | O_NONBLOCK) == 0);
em_fd = grpc_fd_create(sv[0], "test_grpc_fd_change");
grpc_pollset_add_fd(&exec_ctx, g_pollset, em_fd);
/* Register the first callback, then make its FD readable */
grpc_fd_notify_on_read(&exec_ctx, em_fd, &first_closure);
data = 0;
result = write(sv[1], &data, 1);
GPR_ASSERT(result == 1);
/* And now wait for it to run. */
gpr_mu_lock(g_mu);
while (a.cb_that_ran == NULL) {
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),
gpr_inf_future(GPR_CLOCK_MONOTONIC))));
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(g_mu);
}
GPR_ASSERT(a.cb_that_ran == first_read_callback);
gpr_mu_unlock(g_mu);
/* And drain the socket so we can generate a new read edge */
result = read(sv[0], &data, 1);
GPR_ASSERT(result == 1);
/* Now register a second callback with distinct change data, and do the same
thing again. */
grpc_fd_notify_on_read(&exec_ctx, em_fd, &second_closure);
data = 0;
result = write(sv[1], &data, 1);
GPR_ASSERT(result == 1);
gpr_mu_lock(g_mu);
while (b.cb_that_ran == NULL) {
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),
gpr_inf_future(GPR_CLOCK_MONOTONIC))));
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(g_mu);
}
/* Except now we verify that second_read_callback ran instead */
GPR_ASSERT(b.cb_that_ran == second_read_callback);
gpr_mu_unlock(g_mu);
grpc_fd_orphan(&exec_ctx, em_fd, NULL, NULL, "d");
grpc_exec_ctx_finish(&exec_ctx);
destroy_change_data(&a);
destroy_change_data(&b);
close(sv[1]);
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
srand(gpr_now().tv_nsec);
test_multiple_writers_circular_log();
return 0;
}
/**
* Returns the current time as a timeval object
* @return Timeval The current time
*/
PHP_METHOD(Timeval, now) {
grpc_php_wrap_timeval(gpr_now(GPR_CLOCK_REALTIME), return_value);
RETURN_DESTROY_ZVAL(return_value);
}
void grpc_mdctx_global_init(void) {
size_t i, j;
if (!g_forced_hash_seed) {
g_hash_seed = (uint32_t)gpr_now(GPR_CLOCK_REALTIME).tv_nsec;
}
g_static_strtab_maxprobe = 0;
g_static_mdtab_maxprobe = 0;
/* build static tables */
memset(g_static_mdtab, 0, sizeof(g_static_mdtab));
memset(g_static_strtab, 0, sizeof(g_static_strtab));
for (i = 0; i < GRPC_STATIC_MDSTR_COUNT; i++) {
grpc_mdstr *elem = &grpc_static_mdstr_table[i];
const char *str = grpc_static_metadata_strings[i];
uint32_t hash = gpr_murmur_hash3(str, strlen(str), g_hash_seed);
*(gpr_slice *)&elem->slice = gpr_slice_from_static_string(str);
*(uint32_t *)&elem->hash = hash;
for (j = 0;; j++) {
size_t idx = (hash + j) % GPR_ARRAY_SIZE(g_static_strtab);
if (g_static_strtab[idx] == NULL) {
g_static_strtab[idx] = &grpc_static_mdstr_table[i];
break;
}
}
if (j > g_static_strtab_maxprobe) {
g_static_strtab_maxprobe = j;
}
}
for (i = 0; i < GRPC_STATIC_MDELEM_COUNT; i++) {
grpc_mdelem *elem = &grpc_static_mdelem_table[i];
grpc_mdstr *key =
&grpc_static_mdstr_table[grpc_static_metadata_elem_indices[2 * i + 0]];
grpc_mdstr *value =
&grpc_static_mdstr_table[grpc_static_metadata_elem_indices[2 * i + 1]];
uint32_t hash = GRPC_MDSTR_KV_HASH(key->hash, value->hash);
*(grpc_mdstr **)&elem->key = key;
*(grpc_mdstr **)&elem->value = value;
for (j = 0;; j++) {
size_t idx = (hash + j) % GPR_ARRAY_SIZE(g_static_mdtab);
if (g_static_mdtab[idx] == NULL) {
g_static_mdtab[idx] = elem;
break;
}
}
if (j > g_static_mdtab_maxprobe) {
g_static_mdtab_maxprobe = j;
}
}
/* initialize shards */
for (i = 0; i < STRTAB_SHARD_COUNT; i++) {
strtab_shard *shard = &g_strtab_shard[i];
gpr_mu_init(&shard->mu);
shard->count = 0;
shard->capacity = INITIAL_STRTAB_CAPACITY;
shard->strs = gpr_malloc(sizeof(*shard->strs) * shard->capacity);
memset(shard->strs, 0, sizeof(*shard->strs) * shard->capacity);
}
for (i = 0; i < MDTAB_SHARD_COUNT; i++) {
mdtab_shard *shard = &g_mdtab_shard[i];
gpr_mu_init(&shard->mu);
shard->count = 0;
gpr_atm_no_barrier_store(&shard->free_estimate, 0);
shard->capacity = INITIAL_MDTAB_CAPACITY;
shard->elems = gpr_malloc(sizeof(*shard->elems) * shard->capacity);
memset(shard->elems, 0, sizeof(*shard->elems) * shard->capacity);
}
}
grpc_mdctx *grpc_mdctx_create(void) {
/* This seed is used to prevent remote connections from controlling hash table
* collisions. It needs to be somewhat unpredictable to a remote connection.
*/
return grpc_mdctx_create_with_seed(gpr_now().tv_nsec);
}
static gpr_timespec n_millis_time(int n) {
return gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_millis(n, GPR_TIMESPAN));
}
int main(int argc, char **argv) {
grpc_closure destroyed;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_subprocess *server;
char *me = argv[0];
char *lslash = strrchr(me, '/');
char *args[5];
int port = grpc_pick_unused_port_or_die();
int arg_shift = 0;
/* figure out where we are */
char *root;
if (lslash) {
root = gpr_malloc((size_t)(lslash - me + 1));
memcpy(root, me, (size_t)(lslash - me));
root[lslash - me] = 0;
} else {
root = gpr_strdup(".");
}
GPR_ASSERT(argc <= 2);
if (argc == 2) {
args[0] = gpr_strdup(argv[1]);
} else {
arg_shift = 1;
gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
}
/* start the server */
args[1 + arg_shift] = "--port";
gpr_asprintf(&args[2 + arg_shift], "%d", port);
args[3 + arg_shift] = "--ssl";
server = gpr_subprocess_create(4 + arg_shift, (const char **)args);
GPR_ASSERT(server);
gpr_free(args[0]);
if (arg_shift) gpr_free(args[1]);
gpr_free(args[2 + arg_shift]);
gpr_free(root);
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_seconds(5, GPR_TIMESPAN)));
grpc_test_init(argc, argv);
grpc_init();
grpc_httpcli_context_init(&g_context);
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &g_mu);
g_pops = grpc_polling_entity_create_from_pollset(pollset);
test_get(port);
test_post(port);
grpc_httpcli_context_destroy(&g_context);
grpc_closure_init(&destroyed, destroy_pops, &g_pops);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&g_pops),
&destroyed);
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
gpr_free(grpc_polling_entity_pollset(&g_pops));
gpr_subprocess_destroy(server);
return 0;
}
void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
grpc_endpoint **ep,
grpc_pollset_set *interested_parties,
const struct sockaddr *addr, size_t addr_len,
gpr_timespec deadline) {
int fd;
grpc_dualstack_mode dsmode;
int err;
async_connect *ac;
struct sockaddr_in6 addr6_v4mapped;
struct sockaddr_in addr4_copy;
grpc_fd *fdobj;
char *name;
char *addr_str;
*ep = NULL;
/* Use dualstack sockets where available. */
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) {
addr = (const struct sockaddr *)&addr6_v4mapped;
addr_len = sizeof(addr6_v4mapped);
}
fd = grpc_create_dualstack_socket(addr, SOCK_STREAM, 0, &dsmode);
if (fd < 0) {
gpr_log(GPR_ERROR, "Unable to create socket: %s", strerror(errno));
}
if (dsmode == GRPC_DSMODE_IPV4) {
/* If we got an AF_INET socket, map the address back to IPv4. */
GPR_ASSERT(grpc_sockaddr_is_v4mapped(addr, &addr4_copy));
addr = (struct sockaddr *)&addr4_copy;
addr_len = sizeof(addr4_copy);
}
if (!prepare_socket(addr, fd)) {
grpc_exec_ctx_enqueue(exec_ctx, closure, 0);
return;
}
do {
GPR_ASSERT(addr_len < ~(socklen_t)0);
err = connect(fd, addr, (socklen_t)addr_len);
} while (err < 0 && errno == EINTR);
addr_str = grpc_sockaddr_to_uri(addr);
gpr_asprintf(&name, "tcp-client:%s", addr_str);
fdobj = grpc_fd_create(fd, name);
if (err >= 0) {
*ep = grpc_tcp_create(fdobj, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, addr_str);
grpc_exec_ctx_enqueue(exec_ctx, closure, 1);
goto done;
}
if (errno != EWOULDBLOCK && errno != EINPROGRESS) {
gpr_log(GPR_ERROR, "connect error to '%s': %s", addr_str, strerror(errno));
grpc_fd_orphan(exec_ctx, fdobj, NULL, "tcp_client_connect_error");
grpc_exec_ctx_enqueue(exec_ctx, closure, 0);
goto done;
}
grpc_pollset_set_add_fd(exec_ctx, interested_parties, fdobj);
ac = gpr_malloc(sizeof(async_connect));
ac->closure = closure;
ac->ep = ep;
ac->fd = fdobj;
ac->interested_parties = interested_parties;
ac->addr_str = addr_str;
addr_str = NULL;
gpr_mu_init(&ac->mu);
ac->refs = 2;
ac->write_closure.cb = on_writable;
ac->write_closure.cb_arg = ac;
if (grpc_tcp_trace) {
gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting",
ac->addr_str);
}
gpr_mu_lock(&ac->mu);
grpc_alarm_init(exec_ctx, &ac->alarm,
gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),
tc_on_alarm, ac, gpr_now(GPR_CLOCK_MONOTONIC));
grpc_fd_notify_on_write(exec_ctx, ac->fd, &ac->write_closure);
gpr_mu_unlock(&ac->mu);
done:
gpr_free(name);
gpr_free(addr_str);
}
static void test_code(void) {
/* iomgr.h */
grpc_iomgr_init();
grpc_iomgr_shutdown();
/* closure.h */
grpc_closure closure;
closure.cb = NULL;
closure.cb_arg = NULL;
closure.final_data = 0;
grpc_closure_list closure_list = GRPC_CLOSURE_LIST_INIT;
closure_list.head = NULL;
closure_list.tail = NULL;
grpc_closure_init(&closure, NULL, NULL);
grpc_closure_create(NULL, NULL);
grpc_closure_list_move(NULL, NULL);
grpc_closure_list_add(NULL, NULL, true);
bool x = grpc_closure_list_empty(closure_list);
grpc_closure_next(&closure);
/* exec_ctx.h */
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_exec_ctx_flush(&exec_ctx);
grpc_exec_ctx_finish(&exec_ctx);
grpc_exec_ctx_enqueue(&exec_ctx, &closure, x, NULL);
grpc_exec_ctx_enqueue_list(&exec_ctx, &closure_list, NULL);
/* endpoint.h */
grpc_endpoint endpoint;
grpc_endpoint_vtable vtable = {
grpc_endpoint_read, grpc_endpoint_write,
grpc_endpoint_add_to_pollset, grpc_endpoint_add_to_pollset_set,
grpc_endpoint_shutdown, grpc_endpoint_destroy,
grpc_endpoint_get_peer};
endpoint.vtable = &vtable;
grpc_endpoint_read(&exec_ctx, &endpoint, NULL, NULL);
grpc_endpoint_get_peer(&endpoint);
grpc_endpoint_write(&exec_ctx, &endpoint, NULL, NULL);
grpc_endpoint_shutdown(&exec_ctx, &endpoint);
grpc_endpoint_destroy(&exec_ctx, &endpoint);
grpc_endpoint_add_to_pollset(&exec_ctx, &endpoint, NULL);
grpc_endpoint_add_to_pollset_set(&exec_ctx, &endpoint, NULL);
/* executor.h */
grpc_executor_init();
grpc_executor_enqueue(&closure, x);
grpc_executor_shutdown();
/* pollset.h */
grpc_pollset_size();
grpc_pollset_init(NULL, NULL);
grpc_pollset_shutdown(NULL, NULL, NULL);
grpc_pollset_reset(NULL);
grpc_pollset_destroy(NULL);
grpc_pollset_work(NULL, NULL, NULL, gpr_now(GPR_CLOCK_REALTIME),
gpr_now(GPR_CLOCK_MONOTONIC));
grpc_pollset_kick(NULL, NULL);
}
/* Tries to issue one async connection, then schedules both an IOCP
notification request for the connection, and one timeout alert. */
void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_done,
grpc_endpoint **endpoint,
grpc_pollset_set *interested_parties,
const grpc_channel_args *channel_args,
const grpc_resolved_address *addr,
gpr_timespec deadline) {
SOCKET sock = INVALID_SOCKET;
BOOL success;
int status;
grpc_resolved_address addr6_v4mapped;
grpc_resolved_address local_address;
async_connect *ac;
grpc_winsocket *socket = NULL;
LPFN_CONNECTEX ConnectEx;
GUID guid = WSAID_CONNECTEX;
DWORD ioctl_num_bytes;
grpc_winsocket_callback_info *info;
grpc_error *error = GRPC_ERROR_NONE;
grpc_resource_quota *resource_quota = grpc_resource_quota_create(NULL);
if (channel_args != NULL) {
for (size_t i = 0; i < channel_args->num_args; i++) {
if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) {
grpc_resource_quota_internal_unref(exec_ctx, resource_quota);
resource_quota = grpc_resource_quota_internal_ref(
channel_args->args[i].value.pointer.p);
}
}
}
*endpoint = NULL;
/* Use dualstack sockets where available. */
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) {
addr = &addr6_v4mapped;
}
sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0,
WSA_FLAG_OVERLAPPED);
if (sock == INVALID_SOCKET) {
error = GRPC_WSA_ERROR(WSAGetLastError(), "WSASocket");
goto failure;
}
error = grpc_tcp_prepare_socket(sock);
if (error != GRPC_ERROR_NONE) {
goto failure;
}
/* Grab the function pointer for ConnectEx for that specific socket.
It may change depending on the interface. */
status =
WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, &guid, sizeof(guid),
&ConnectEx, sizeof(ConnectEx), &ioctl_num_bytes, NULL, NULL);
if (status != 0) {
error = GRPC_WSA_ERROR(WSAGetLastError(),
"WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER)");
goto failure;
}
grpc_sockaddr_make_wildcard6(0, &local_address);
status = bind(sock, (struct sockaddr *)&local_address.addr,
(int)local_address.len);
if (status != 0) {
error = GRPC_WSA_ERROR(WSAGetLastError(), "bind");
goto failure;
}
socket = grpc_winsocket_create(sock, "client");
info = &socket->write_info;
success = ConnectEx(sock, (struct sockaddr *)&addr->addr, (int)addr->len,
NULL, 0, NULL, &info->overlapped);
/* It wouldn't be unusual to get a success immediately. But we'll still get
an IOCP notification, so let's ignore it. */
if (!success) {
int last_error = WSAGetLastError();
if (last_error != ERROR_IO_PENDING) {
error = GRPC_WSA_ERROR(last_error, "ConnectEx");
goto failure;
}
}
ac = gpr_malloc(sizeof(async_connect));
ac->on_done = on_done;
ac->socket = socket;
gpr_mu_init(&ac->mu);
ac->refs = 2;
ac->addr_name = grpc_sockaddr_to_uri(addr);
ac->endpoint = endpoint;
ac->resource_quota = resource_quota;
grpc_closure_init(&ac->on_connect, on_connect, ac);
grpc_timer_init(exec_ctx, &ac->alarm, deadline, on_alarm, ac,
gpr_now(GPR_CLOCK_MONOTONIC));
grpc_socket_notify_on_write(exec_ctx, socket, &ac->on_connect);
return;
failure:
GPR_ASSERT(error != GRPC_ERROR_NONE);
char *target_uri = grpc_sockaddr_to_uri(addr);
grpc_error *final_error = grpc_error_set_str(
GRPC_ERROR_CREATE_REFERENCING("Failed to connect", &error, 1),
GRPC_ERROR_STR_TARGET_ADDRESS, target_uri);
GRPC_ERROR_UNREF(error);
if (socket != NULL) {
grpc_winsocket_destroy(socket);
} else if (sock != INVALID_SOCKET) {
closesocket(sock);
}
grpc_resource_quota_internal_unref(exec_ctx, resource_quota);
grpc_exec_ctx_sched(exec_ctx, on_done, final_error, NULL);
}
static double now(void) {
gpr_timespec tv = gpr_now(GPR_CLOCK_REALTIME);
return 1e9 * (double)tv.tv_sec + (double)tv.tv_nsec;
}
int main(int argc, char **argv) {
grpc_event *ev;
call_state *s;
char *addr_buf = NULL;
gpr_cmdline *cl;
int shutdown_started = 0;
int shutdown_finished = 0;
int secure = 0;
char *addr = NULL;
char *fake_argv[1];
#define MAX_ARGS 4
grpc_arg arge[MAX_ARGS];
grpc_arg *e;
grpc_channel_args args = {0, NULL};
grpc_http_server_page home_page = {"/", "text/html",
"<head>\n"
"<title>Echo Server</title>\n"
"</head>\n"
"<body>\n"
"Welcome to the world of the future!\n"
"</body>\n"};
GPR_ASSERT(argc >= 1);
fake_argv[0] = argv[0];
grpc_test_init(1, fake_argv);
grpc_init();
srand(clock());
memset(arge, 0, sizeof(arge));
args.args = arge;
cl = gpr_cmdline_create("echo server");
gpr_cmdline_add_string(cl, "bind", "Bind host:port", &addr);
gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure);
gpr_cmdline_parse(cl, argc, argv);
gpr_cmdline_destroy(cl);
e = &arge[args.num_args++];
e->type = GRPC_ARG_POINTER;
e->key = GRPC_ARG_SERVE_OVER_HTTP;
e->value.pointer.p = &home_page;
if (addr == NULL) {
gpr_join_host_port(&addr_buf, "::", grpc_pick_unused_port_or_die());
addr = addr_buf;
}
gpr_log(GPR_INFO, "creating server on: %s", addr);
cq = grpc_completion_queue_create();
if (secure) {
grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
test_server1_cert};
grpc_server_credentials *ssl_creds =
grpc_ssl_server_credentials_create(NULL, &pem_key_cert_pair, 1);
server = grpc_secure_server_create(ssl_creds, cq, &args);
GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr));
grpc_server_credentials_release(ssl_creds);
} else {
server = grpc_server_create(cq, &args);
GPR_ASSERT(grpc_server_add_http2_port(server, addr));
}
grpc_server_start(server);
gpr_free(addr_buf);
addr = addr_buf = NULL;
request_call();
signal(SIGINT, sigint_handler);
while (!shutdown_finished) {
if (got_sigint && !shutdown_started) {
gpr_log(GPR_INFO, "Shutting down due to SIGINT");
grpc_server_shutdown(server);
grpc_completion_queue_shutdown(cq);
shutdown_started = 1;
}
ev = grpc_completion_queue_next(
cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(1)));
if (!ev) continue;
s = ev->tag;
switch (ev->type) {
case GRPC_SERVER_RPC_NEW:
if (ev->call != NULL) {
/* initial ops are already started in request_call */
grpc_call_server_accept_old(ev->call, cq, s);
grpc_call_server_end_initial_metadata_old(ev->call,
GRPC_WRITE_BUFFER_HINT);
GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK);
request_call();
} else {
GPR_ASSERT(shutdown_started);
gpr_free(s);
}
break;
case GRPC_WRITE_ACCEPTED:
GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK);
GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK);
break;
case GRPC_READ:
if (ev->data.read) {
assert_read_ok(ev->tag, ev->data.read);
GPR_ASSERT(grpc_call_start_write_old(ev->call, ev->data.read, s,
GRPC_WRITE_BUFFER_HINT) ==
GRPC_CALL_OK);
} else {
GPR_ASSERT(grpc_call_start_write_status_old(ev->call, GRPC_STATUS_OK,
NULL, s) == GRPC_CALL_OK);
}
break;
case GRPC_FINISH_ACCEPTED:
case GRPC_FINISHED:
if (gpr_unref(&s->pending_ops)) {
grpc_call_destroy(ev->call);
gpr_free(s);
}
break;
case GRPC_QUEUE_SHUTDOWN:
GPR_ASSERT(shutdown_started);
shutdown_finished = 1;
break;
default:
GPR_ASSERT(0);
}
grpc_event_finish(ev);
}
grpc_server_destroy(server);
grpc_completion_queue_destroy(cq);
grpc_shutdown();
return 0;
}
void grpc_tcp_client_connect(void (*cb)(void *arg, grpc_endpoint *ep),
void *arg, const struct sockaddr *addr,
int addr_len, gpr_timespec deadline) {
int fd;
grpc_dualstack_mode dsmode;
int err;
async_connect *ac;
struct sockaddr_in6 addr6_v4mapped;
struct sockaddr_in addr4_copy;
/* Use dualstack sockets where available. */
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) {
addr = (const struct sockaddr *)&addr6_v4mapped;
addr_len = sizeof(addr6_v4mapped);
}
fd = grpc_create_dualstack_socket(addr, SOCK_STREAM, 0, &dsmode);
if (fd < 0) {
gpr_log(GPR_ERROR, "Unable to create socket: %s", strerror(errno));
}
if (dsmode == GRPC_DSMODE_IPV4) {
/* If we got an AF_INET socket, map the address back to IPv4. */
GPR_ASSERT(grpc_sockaddr_is_v4mapped(addr, &addr4_copy));
addr = (struct sockaddr *)&addr4_copy;
addr_len = sizeof(addr4_copy);
}
if (!prepare_socket(addr, fd)) {
cb(arg, NULL);
return;
}
do {
err = connect(fd, addr, addr_len);
} while (err < 0 && errno == EINTR);
if (err >= 0) {
gpr_log(GPR_DEBUG, "instant connect");
cb(arg,
grpc_tcp_create(grpc_fd_create(fd), GRPC_TCP_DEFAULT_READ_SLICE_SIZE));
return;
}
if (errno != EWOULDBLOCK && errno != EINPROGRESS) {
gpr_log(GPR_ERROR, "connect error: %s", strerror(errno));
close(fd);
cb(arg, NULL);
return;
}
ac = gpr_malloc(sizeof(async_connect));
ac->cb = cb;
ac->cb_arg = arg;
ac->fd = grpc_fd_create(fd);
gpr_mu_init(&ac->mu);
ac->refs = 2;
ac->write_closure.cb = on_writable;
ac->write_closure.cb_arg = ac;
grpc_alarm_init(&ac->alarm, deadline, on_alarm, ac, gpr_now());
grpc_fd_notify_on_write(ac->fd, &ac->write_closure);
}
GPR_EXPORT gpr_timespec GPR_CALLTYPE gprsharp_now(gpr_clock_type clock_type) {
return gpr_now(clock_type);
}
census_timestamp census_start_rpc_op_timestamp(void) {
census_timestamp ct;
/* TODO(aveitch): assumes gpr_timespec implementation of census_timestamp. */
ct.ts = gpr_now(GPR_CLOCK_MONOTONIC);
return ct;
}
void grpc_iomgr_shutdown(void) {
grpc_iomgr_closure *closure;
gpr_timespec shutdown_deadline = gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_seconds(10, GPR_TIMESPAN));
gpr_timespec last_warning_time = gpr_now(GPR_CLOCK_REALTIME);
gpr_mu_lock(&g_mu);
g_shutdown = 1;
while (g_cbs_head != NULL || g_root_object.next != &g_root_object) {
if (gpr_time_cmp(
gpr_time_sub(gpr_now(GPR_CLOCK_REALTIME), last_warning_time),
gpr_time_from_seconds(1, GPR_TIMESPAN)) >= 0) {
if (g_cbs_head != NULL && g_root_object.next != &g_root_object) {
gpr_log(GPR_DEBUG,
"Waiting for %d iomgr objects to be destroyed and executing "
"final callbacks",
count_objects());
} else if (g_cbs_head != NULL) {
gpr_log(GPR_DEBUG, "Executing final iomgr callbacks");
} else {
gpr_log(GPR_DEBUG, "Waiting for %d iomgr objects to be destroyed",
count_objects());
}
last_warning_time = gpr_now(GPR_CLOCK_REALTIME);
}
if (g_cbs_head) {
do {
closure = g_cbs_head;
g_cbs_head = closure->next;
if (!g_cbs_head) g_cbs_tail = NULL;
gpr_mu_unlock(&g_mu);
closure->cb(closure->cb_arg, 0);
gpr_mu_lock(&g_mu);
} while (g_cbs_head);
continue;
}
if (grpc_alarm_check(&g_mu, gpr_inf_future(GPR_CLOCK_MONOTONIC), NULL)) {
continue;
}
if (g_root_object.next != &g_root_object) {
int timeout = 0;
while (g_cbs_head == NULL) {
gpr_timespec short_deadline = gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_millis(100, GPR_TIMESPAN));
if (gpr_cv_wait(&g_rcv, &g_mu, short_deadline) && g_cbs_head == NULL) {
if (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), shutdown_deadline) > 0) {
timeout = 1;
break;
}
}
}
if (timeout) {
gpr_log(GPR_DEBUG,
"Failed to free %d iomgr objects before shutdown deadline: "
"memory leaks are likely",
count_objects());
dump_objects("LEAKED");
break;
}
}
}
gpr_mu_unlock(&g_mu);
grpc_kick_poller();
gpr_event_wait(&g_background_callback_executor_done,
gpr_inf_future(GPR_CLOCK_REALTIME));
grpc_alarm_list_shutdown();
grpc_iomgr_platform_shutdown();
gpr_mu_destroy(&g_mu);
gpr_cv_destroy(&g_rcv);
}
// Simple request via a server filter that saves the reported latency value.
static void test_request(grpc_end2end_test_config config) {
grpc_call *c;
grpc_call *s;
grpc_slice request_payload_slice =
grpc_slice_from_copied_string("hello world");
grpc_byte_buffer *request_payload =
grpc_raw_byte_buffer_create(&request_payload_slice, 1);
grpc_end2end_test_fixture f =
begin_test(config, "filter_latency", 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_recv = NULL;
grpc_call_details call_details;
grpc_status_code status;
grpc_call_error error;
grpc_slice details;
int was_cancelled = 2;
gpr_mu_lock(&g_mu);
g_client_latency = gpr_time_0(GPR_TIMESPAN);
g_server_latency = gpr_time_0(GPR_TIMESPAN);
gpr_mu_unlock(&g_mu);
const gpr_timespec start_time = gpr_now(GPR_CLOCK_MONOTONIC);
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", 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->data.send_initial_metadata.metadata = NULL;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_SEND_MESSAGE;
op->data.send_message.send_message = request_payload;
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.recv_initial_metadata = &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 = &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(1), NULL);
GPR_ASSERT(GRPC_CALL_OK == error);
error =
grpc_server_request_call(f.server, &s, &call_details,
&request_metadata_recv, f.cq, f.cq, tag(101));
GPR_ASSERT(GRPC_CALL_OK == error);
CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
cq_verify(cqv);
memset(ops, 0, sizeof(ops));
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;
grpc_slice status_string = grpc_slice_from_static_string("xyz");
op->data.send_status_from_server.status_details = &status_string;
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++;
error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
GPR_ASSERT(GRPC_CALL_OK == error);
CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
cq_verify(cqv);
GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
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(s);
grpc_call_unref(c);
cq_verifier_destroy(cqv);
grpc_byte_buffer_destroy(request_payload);
grpc_byte_buffer_destroy(request_payload_recv);
end_test(&f);
config.tear_down_data(&f);
const gpr_timespec end_time = gpr_now(GPR_CLOCK_MONOTONIC);
const gpr_timespec max_latency = gpr_time_sub(end_time, start_time);
// Perform checks after test tear-down
// Guards against the case that there's outstanding channel-related work on a
// call prior to verification
gpr_mu_lock(&g_mu);
GPR_ASSERT(gpr_time_cmp(max_latency, g_client_latency) >= 0);
GPR_ASSERT(gpr_time_cmp(gpr_time_0(GPR_TIMESPAN), g_client_latency) <= 0);
GPR_ASSERT(gpr_time_cmp(max_latency, g_server_latency) >= 0);
GPR_ASSERT(gpr_time_cmp(gpr_time_0(GPR_TIMESPAN), g_server_latency) <= 0);
// Server latency should always be smaller than client latency, however since
// we only calculate latency at destruction time, and that might mean that we
// need to wait for outstanding channel-related work, this isn't verifiable
// right now (the server MAY hold on to the call for longer than the client).
// GPR_ASSERT(gpr_time_cmp(g_server_latency, g_client_latency) < 0);
gpr_mu_unlock(&g_mu);
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
srand(gpr_now(GPR_CLOCK_REALTIME).tv_nsec);
test_multiple_writers();
return 0;
}
static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
grpc_mdelem md) {
grpc_chttp2_transport *t = (grpc_chttp2_transport *)tp;
grpc_chttp2_stream *s = t->incoming_stream;
GPR_TIMER_BEGIN("on_initial_header", 0);
GPR_ASSERT(s != NULL);
if (GRPC_TRACER_ON(grpc_http_trace)) {
char *key = grpc_slice_to_c_string(GRPC_MDKEY(md));
char *value =
grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII);
gpr_log(GPR_INFO, "HTTP:%d:HDR:%s: %s: %s", s->id,
t->is_client ? "CLI" : "SVR", key, value);
gpr_free(key);
gpr_free(value);
}
if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_STATUS) &&
!grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_0)) {
/* TODO(ctiller): check for a status like " 0" */
s->seen_error = true;
}
if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_TIMEOUT)) {
gpr_timespec *cached_timeout =
(gpr_timespec *)grpc_mdelem_get_user_data(md, free_timeout);
gpr_timespec timeout;
if (cached_timeout == NULL) {
/* not already parsed: parse it now, and store the result away */
cached_timeout = (gpr_timespec *)gpr_malloc(sizeof(gpr_timespec));
if (!grpc_http2_decode_timeout(GRPC_MDVALUE(md), cached_timeout)) {
char *val = grpc_slice_to_c_string(GRPC_MDVALUE(md));
gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'", val);
gpr_free(val);
*cached_timeout = gpr_inf_future(GPR_TIMESPAN);
}
timeout = *cached_timeout;
grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
} else {
timeout = *cached_timeout;
}
grpc_chttp2_incoming_metadata_buffer_set_deadline(
&s->metadata_buffer[0],
gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), timeout));
GRPC_MDELEM_UNREF(exec_ctx, md);
} else {
const size_t new_size = s->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md);
const size_t metadata_size_limit =
t->settings[GRPC_ACKED_SETTINGS]
[GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE];
if (new_size > metadata_size_limit) {
gpr_log(GPR_DEBUG,
"received initial metadata size exceeds limit (%" PRIuPTR
" vs. %" PRIuPTR ")",
new_size, metadata_size_limit);
grpc_chttp2_cancel_stream(
exec_ctx, t, s,
grpc_error_set_int(
GRPC_ERROR_CREATE_FROM_STATIC_STRING(
"received initial metadata size exceeds limit"),
GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED));
grpc_chttp2_parsing_become_skip_parser(exec_ctx, t);
s->seen_error = true;
GRPC_MDELEM_UNREF(exec_ctx, md);
} else {
grpc_error *error = grpc_chttp2_incoming_metadata_buffer_add(
exec_ctx, &s->metadata_buffer[0], md);
if (error != GRPC_ERROR_NONE) {
grpc_chttp2_cancel_stream(exec_ctx, t, s, error);
grpc_chttp2_parsing_become_skip_parser(exec_ctx, t);
s->seen_error = true;
GRPC_MDELEM_UNREF(exec_ctx, md);
}
}
}
GPR_TIMER_END("on_initial_header", 0);
}
static gpr_timespec n_sec_deadline(int seconds) {
return gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_seconds(seconds, GPR_TIMESPAN));
}
static void test_connectivity(grpc_end2end_test_config config) {
grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
grpc_connectivity_state state;
cq_verifier *cqv = cq_verifier_create(f.cq);
child_events ce;
gpr_thd_options thdopt = gpr_thd_options_default();
gpr_thd_id thdid;
config.init_client(&f, NULL);
ce.channel = f.client;
ce.cq = f.cq;
gpr_event_init(&ce.started);
gpr_thd_options_set_joinable(&thdopt);
GPR_ASSERT(gpr_thd_new(&thdid, child_thread, &ce, &thdopt));
gpr_event_wait(&ce.started, gpr_inf_future(GPR_CLOCK_MONOTONIC));
/* channels should start life in IDLE, and stay there */
GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) ==
GRPC_CHANNEL_IDLE);
gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100));
GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) ==
GRPC_CHANNEL_IDLE);
/* start watching for a change */
gpr_log(GPR_DEBUG, "watching");
grpc_channel_watch_connectivity_state(
f.client, GRPC_CHANNEL_IDLE, gpr_now(GPR_CLOCK_MONOTONIC), f.cq, tag(1));
/* eventually the child thread completion should trigger */
gpr_thd_join(thdid);
/* check that we're still in idle, and start connecting */
GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) ==
GRPC_CHANNEL_IDLE);
/* start watching for a change */
grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_IDLE,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
f.cq, tag(2));
/* and now the watch should trigger */
cq_expect_completion(cqv, tag(2), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
state == GRPC_CHANNEL_CONNECTING);
/* quickly followed by a transition to TRANSIENT_FAILURE */
grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_CONNECTING,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
f.cq, tag(3));
cq_expect_completion(cqv, tag(3), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
state == GRPC_CHANNEL_CONNECTING);
gpr_log(GPR_DEBUG, "*** STARTING SERVER ***");
/* now let's bring up a server to connect to */
config.init_server(&f, NULL);
gpr_log(GPR_DEBUG, "*** STARTED SERVER ***");
/* 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(4));
cq_expect_completion(cqv, tag(4), 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);
}
/* bring down the server again */
/* we should go immediately to TRANSIENT_FAILURE */
gpr_log(GPR_DEBUG, "*** SHUTTING DOWN SERVER ***");
grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_READY,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
f.cq, tag(5));
grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
cq_expect_completion(cqv, tag(5), 1);
cq_expect_completion(cqv, tag(0xdead), 1);
cq_verify(cqv);
state = grpc_channel_check_connectivity_state(f.client, 0);
GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE);
/* cleanup server */
grpc_server_destroy(f.server);
gpr_log(GPR_DEBUG, "*** SHUTDOWN 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);
}
/* Do a read_test, then release fd and try to read/write again. Verify that
grpc_tcp_fd() is available before the fd is released. */
static void release_fd_test(size_t num_bytes, size_t slice_size) {
int sv[2];
grpc_endpoint *ep;
struct read_socket_state state;
size_t written_bytes;
int fd;
gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure fd_released_cb;
int fd_released_done = 0;
grpc_closure_init(&fd_released_cb, &on_fd_released, &fd_released_done);
gpr_log(GPR_INFO, "Release fd read_test of size %d, slice size %d", num_bytes,
slice_size);
create_sockets(sv);
ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), slice_size, "test");
GPR_ASSERT(grpc_tcp_fd(ep) == sv[1] && sv[1] >= 0);
grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
written_bytes = fill_socket_partial(sv[0], num_bytes);
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_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 = NULL;
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_tcp_destroy_and_release_fd(&exec_ctx, ep, &fd, &fd_released_cb);
gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
while (!fd_released_done) {
grpc_pollset_worker *worker = NULL;
grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
gpr_now(GPR_CLOCK_MONOTONIC), deadline);
}
gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
GPR_ASSERT(fd_released_done == 1);
GPR_ASSERT(fd == sv[1]);
grpc_exec_ctx_finish(&exec_ctx);
written_bytes = fill_socket_partial(sv[0], num_bytes);
drain_socket_blocking(fd, written_bytes, written_bytes);
written_bytes = fill_socket_partial(fd, num_bytes);
drain_socket_blocking(sv[0], written_bytes, written_bytes);
close(fd);
}