static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice_buffer *read_slices, grpc_closure *cb) {
grpc_tcp *tcp = (grpc_tcp *)ep;
grpc_winsocket *handle = tcp->socket;
grpc_winsocket_callback_info *info = &handle->read_info;
int status;
DWORD bytes_read = 0;
DWORD flags = 0;
WSABUF buffer;
if (tcp->shutting_down) {
GRPC_CLOSURE_SCHED(
exec_ctx, cb,
GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
"TCP socket is shutting down", &tcp->shutdown_error, 1));
return;
}
tcp->read_cb = cb;
tcp->read_slices = read_slices;
grpc_slice_buffer_reset_and_unref_internal(exec_ctx, read_slices);
tcp->read_slice = GRPC_SLICE_MALLOC(8192);
buffer.len = (ULONG)GRPC_SLICE_LENGTH(
tcp->read_slice); // we know slice size fits in 32bit.
buffer.buf = (char *)GRPC_SLICE_START_PTR(tcp->read_slice);
TCP_REF(tcp, "read");
/* First let's try a synchronous, non-blocking read. */
status =
WSARecv(tcp->socket->socket, &buffer, 1, &bytes_read, &flags, NULL, NULL);
info->wsa_error = status == 0 ? 0 : WSAGetLastError();
/* Did we get data immediately ? Yay. */
if (info->wsa_error != WSAEWOULDBLOCK) {
info->bytes_transfered = bytes_read;
GRPC_CLOSURE_SCHED(exec_ctx, &tcp->on_read, GRPC_ERROR_NONE);
return;
}
/* Otherwise, let's retry, by queuing a read. */
memset(&tcp->socket->read_info.overlapped, 0, sizeof(OVERLAPPED));
status = WSARecv(tcp->socket->socket, &buffer, 1, &bytes_read, &flags,
&info->overlapped, NULL);
if (status != 0) {
int wsa_error = WSAGetLastError();
if (wsa_error != WSA_IO_PENDING) {
info->wsa_error = wsa_error;
GRPC_CLOSURE_SCHED(exec_ctx, &tcp->on_read,
GRPC_WSA_ERROR(info->wsa_error, "WSARecv"));
return;
}
}
grpc_socket_notify_on_read(exec_ctx, tcp->socket, &tcp->on_read);
}
bool grpc_connectivity_state_notify_on_state_change(
grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker,
grpc_connectivity_state *current, grpc_closure *notify) {
grpc_connectivity_state cur =
(grpc_connectivity_state)gpr_atm_no_barrier_load(
&tracker->current_state_atm);
if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
if (current == NULL) {
gpr_log(GPR_DEBUG, "CONWATCH: %p %s: unsubscribe notify=%p", tracker,
tracker->name, notify);
} else {
gpr_log(GPR_DEBUG, "CONWATCH: %p %s: from %s [cur=%s] notify=%p", tracker,
tracker->name, grpc_connectivity_state_name(*current),
grpc_connectivity_state_name(cur), notify);
}
}
if (current == NULL) {
grpc_connectivity_state_watcher *w = tracker->watchers;
if (w != NULL && w->notify == notify) {
GRPC_CLOSURE_SCHED(exec_ctx, notify, GRPC_ERROR_CANCELLED);
tracker->watchers = w->next;
gpr_free(w);
return false;
}
while (w != NULL) {
grpc_connectivity_state_watcher *rm_candidate = w->next;
if (rm_candidate != NULL && rm_candidate->notify == notify) {
GRPC_CLOSURE_SCHED(exec_ctx, notify, GRPC_ERROR_CANCELLED);
w->next = w->next->next;
gpr_free(rm_candidate);
return false;
}
w = w->next;
}
return false;
} else {
if (cur != *current) {
*current = cur;
GRPC_CLOSURE_SCHED(exec_ctx, notify,
GRPC_ERROR_REF(tracker->current_error));
} else {
grpc_connectivity_state_watcher *w =
(grpc_connectivity_state_watcher *)gpr_malloc(sizeof(*w));
w->current = current;
w->notify = notify;
w->next = tracker->watchers;
tracker->watchers = w;
}
return cur == GRPC_CHANNEL_IDLE;
}
}
static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
grpc_transport_op *op) {
inproc_transport *t = (inproc_transport *)gt;
INPROC_LOG(GPR_DEBUG, "perform_transport_op %p %p", t, op);
gpr_mu_lock(&t->mu->mu);
if (op->on_connectivity_state_change) {
grpc_connectivity_state_notify_on_state_change(
exec_ctx, &t->connectivity, op->connectivity_state,
op->on_connectivity_state_change);
}
if (op->set_accept_stream) {
t->accept_stream_cb = op->set_accept_stream_fn;
t->accept_stream_data = op->set_accept_stream_user_data;
}
if (op->on_consumed) {
GRPC_CLOSURE_SCHED(exec_ctx, op->on_consumed, GRPC_ERROR_NONE);
}
bool do_close = false;
if (op->goaway_error != GRPC_ERROR_NONE) {
do_close = true;
GRPC_ERROR_UNREF(op->goaway_error);
}
if (op->disconnect_with_error != GRPC_ERROR_NONE) {
do_close = true;
GRPC_ERROR_UNREF(op->disconnect_with_error);
}
if (do_close) {
close_transport_locked(exec_ctx, t);
}
gpr_mu_unlock(&t->mu->mu);
}
/* Asynchronous callback from the IOCP, or the background thread. */
static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) {
grpc_tcp *tcp = tcpp;
grpc_closure *cb = tcp->read_cb;
grpc_winsocket *socket = tcp->socket;
grpc_slice sub;
grpc_winsocket_callback_info *info = &socket->read_info;
GRPC_ERROR_REF(error);
if (error == GRPC_ERROR_NONE) {
if (info->wsa_error != 0 && !tcp->shutting_down) {
char *utf8_message = gpr_format_message(info->wsa_error);
error = GRPC_ERROR_CREATE_FROM_COPIED_STRING(utf8_message);
gpr_free(utf8_message);
grpc_slice_unref_internal(exec_ctx, tcp->read_slice);
} else {
if (info->bytes_transfered != 0 && !tcp->shutting_down) {
sub = grpc_slice_sub_no_ref(tcp->read_slice, 0, info->bytes_transfered);
grpc_slice_buffer_add(tcp->read_slices, sub);
} else {
grpc_slice_unref_internal(exec_ctx, tcp->read_slice);
error = tcp->shutting_down
? GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
"TCP stream shutting down", &tcp->shutdown_error, 1)
: GRPC_ERROR_CREATE_FROM_STATIC_STRING("End of TCP stream");
}
}
}
tcp->read_cb = NULL;
TCP_UNREF(exec_ctx, tcp, "read");
GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
}
static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice_buffer *slices, grpc_closure *cb) {
half *m = (half *)ep;
gpr_mu_lock(&m->parent->mu);
if (m->parent->shutdown) {
GRPC_CLOSURE_SCHED(
exec_ctx, cb, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Already shutdown"));
} else if (m->read_buffer.count > 0) {
grpc_slice_buffer_swap(&m->read_buffer, slices);
GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
} else {
m->on_read = cb;
m->on_read_out = slices;
}
gpr_mu_unlock(&m->parent->mu);
}
// If the handshake failed or we're shutting down, clean up and invoke the
// callback with the error.
static void security_handshake_failed_locked(grpc_exec_ctx *exec_ctx,
security_handshaker *h,
grpc_error *error) {
if (error == GRPC_ERROR_NONE) {
// If we were shut down after the handshake succeeded but before an
// endpoint callback was invoked, we need to generate our own error.
error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Handshaker shutdown");
}
const char *msg = grpc_error_string(error);
gpr_log(GPR_DEBUG, "Security handshake failed: %s", msg);
if (!h->shutdown) {
// TODO(ctiller): It is currently necessary to shutdown endpoints
// before destroying them, even if we know that there are no
// pending read/write callbacks. This should be fixed, at which
// point this can be removed.
grpc_endpoint_shutdown(exec_ctx, h->args->endpoint, GRPC_ERROR_REF(error));
// Not shutting down, so the write failed. Clean up before
// invoking the callback.
cleanup_args_for_failure_locked(exec_ctx, h);
// Set shutdown to true so that subsequent calls to
// security_handshaker_shutdown() do nothing.
h->shutdown = true;
}
// Invoke callback.
GRPC_CLOSURE_SCHED(exec_ctx, h->on_handshake_done, error);
}
grpc_error *grpc_chttp2_data_parser_parse(grpc_exec_ctx *exec_ctx, void *parser,
grpc_chttp2_transport *t,
grpc_chttp2_stream *s,
grpc_slice slice, int is_last) {
/* grpc_error *error = parse_inner_buffer(exec_ctx, p, t, s, slice); */
if (!s->pending_byte_stream) {
grpc_slice_ref_internal(slice);
grpc_slice_buffer_add(&s->frame_storage, slice);
grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s);
} else if (s->on_next) {
GPR_ASSERT(s->frame_storage.length == 0);
grpc_slice_ref_internal(slice);
grpc_slice_buffer_add(&s->unprocessed_incoming_frames_buffer, slice);
GRPC_CLOSURE_SCHED(exec_ctx, s->on_next, GRPC_ERROR_NONE);
s->on_next = NULL;
} else {
grpc_slice_ref_internal(slice);
grpc_slice_buffer_add(&s->frame_storage, slice);
}
if (is_last && s->received_last_frame) {
grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, false,
GRPC_ERROR_NONE);
}
return GRPC_ERROR_NONE;
}
static grpc_error *non_polling_poller_work(grpc_exec_ctx *exec_ctx,
grpc_pollset *pollset,
grpc_pollset_worker **worker,
gpr_timespec now,
gpr_timespec deadline) {
non_polling_poller *npp = (non_polling_poller *)pollset;
if (npp->shutdown) return GRPC_ERROR_NONE;
non_polling_worker w;
gpr_cv_init(&w.cv);
if (worker != NULL) *worker = (grpc_pollset_worker *)&w;
if (npp->root == NULL) {
npp->root = w.next = w.prev = &w;
} else {
w.next = npp->root;
w.prev = w.next->prev;
w.next->prev = w.prev->next = &w;
}
w.kicked = false;
while (!npp->shutdown && !w.kicked && !gpr_cv_wait(&w.cv, &npp->mu, deadline))
;
if (&w == npp->root) {
npp->root = w.next;
if (&w == npp->root) {
if (npp->shutdown) {
GRPC_CLOSURE_SCHED(exec_ctx, npp->shutdown, GRPC_ERROR_NONE);
}
npp->root = NULL;
}
}
w.next->prev = w.prev;
w.prev->next = w.next;
gpr_cv_destroy(&w.cv);
if (worker != NULL) *worker = NULL;
return GRPC_ERROR_NONE;
}
static void pollset_maybe_finish_shutdown(grpc_exec_ctx *exec_ctx,
grpc_pollset *pollset) {
if (pollset->shutdown_closure != NULL && pollset->root_worker == NULL &&
pollset->kick_alls_pending == 0) {
GRPC_CLOSURE_SCHED(exec_ctx, pollset->shutdown_closure, GRPC_ERROR_NONE);
pollset->shutdown_closure = NULL;
}
}
static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice_buffer *slices, grpc_closure *cb) {
grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
for (size_t i = 0; i < slices->count; i++) {
m->on_write(slices->slices[i]);
}
GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
}
static void fail_handshaker_do_handshake(grpc_exec_ctx *exec_ctx,
grpc_handshaker *handshaker,
grpc_tcp_server_acceptor *acceptor,
grpc_closure *on_handshake_done,
grpc_handshaker_args *args) {
GRPC_CLOSURE_SCHED(exec_ctx, on_handshake_done,
GRPC_ERROR_CREATE_FROM_STATIC_STRING(
"Failed to create security handshaker"));
}
void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure) {
pollset->shutting_down = 1;
grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
if (!pollset->is_iocp_worker) {
GRPC_CLOSURE_SCHED(exec_ctx, closure, GRPC_ERROR_NONE);
} else {
pollset->on_shutdown = closure;
}
}
static void fake_resolver_shutdown_locked(grpc_exec_ctx* exec_ctx,
grpc_resolver* resolver) {
fake_resolver* r = (fake_resolver*)resolver;
if (r->next_completion != NULL) {
*r->target_result = NULL;
GRPC_CLOSURE_SCHED(
exec_ctx, r->next_completion,
GRPC_ERROR_CREATE_FROM_STATIC_STRING("Resolver Shutdown"));
r->next_completion = NULL;
}
}
static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx,
sockaddr_resolver *r) {
if (r->next_completion != NULL && !r->published) {
r->published = true;
grpc_arg arg = grpc_lb_addresses_create_channel_arg(r->addresses);
*r->target_result =
grpc_channel_args_copy_and_add(r->channel_args, &arg, 1);
GRPC_CLOSURE_SCHED(exec_ctx, r->next_completion, GRPC_ERROR_NONE);
r->next_completion = NULL;
}
}
static void fake_resolver_maybe_finish_next_locked(grpc_exec_ctx* exec_ctx,
fake_resolver* r) {
if (r->next_completion != NULL && r->next_results != NULL) {
*r->target_result =
grpc_channel_args_union(r->next_results, r->channel_args);
grpc_channel_args_destroy(exec_ctx, r->next_results);
r->next_results = NULL;
GRPC_CLOSURE_SCHED(exec_ctx, r->next_completion, GRPC_ERROR_NONE);
r->next_completion = NULL;
}
}
void grpc_fake_resolver_response_generator_set_response(
grpc_exec_ctx* exec_ctx, grpc_fake_resolver_response_generator* generator,
grpc_channel_args* next_response) {
GPR_ASSERT(generator->resolver != NULL);
generator->next_response = grpc_channel_args_copy(next_response);
GRPC_CLOSURE_SCHED(
exec_ctx, GRPC_CLOSURE_CREATE(set_response_cb, generator,
grpc_combiner_scheduler(
generator->resolver->base.combiner)),
GRPC_ERROR_NONE);
}
static void on_peer_checked(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
security_handshaker *h = arg;
gpr_mu_lock(&h->mu);
if (error != GRPC_ERROR_NONE || h->shutdown) {
security_handshake_failed_locked(exec_ctx, h, GRPC_ERROR_REF(error));
goto done;
}
// Create frame protector.
tsi_frame_protector *protector;
tsi_result result = tsi_handshaker_result_create_frame_protector(
h->handshaker_result, NULL, &protector);
if (result != TSI_OK) {
error = grpc_set_tsi_error_result(
GRPC_ERROR_CREATE_FROM_STATIC_STRING("Frame protector creation failed"),
result);
security_handshake_failed_locked(exec_ctx, h, error);
goto done;
}
// Get unused bytes.
unsigned char *unused_bytes = NULL;
size_t unused_bytes_size = 0;
result = tsi_handshaker_result_get_unused_bytes(
h->handshaker_result, &unused_bytes, &unused_bytes_size);
// Create secure endpoint.
if (unused_bytes_size > 0) {
grpc_slice slice =
grpc_slice_from_copied_buffer((char *)unused_bytes, unused_bytes_size);
h->args->endpoint =
grpc_secure_endpoint_create(protector, h->args->endpoint, &slice, 1);
grpc_slice_unref_internal(exec_ctx, slice);
} else {
h->args->endpoint =
grpc_secure_endpoint_create(protector, h->args->endpoint, NULL, 0);
}
tsi_handshaker_result_destroy(h->handshaker_result);
h->handshaker_result = NULL;
// Clear out the read buffer before it gets passed to the transport.
grpc_slice_buffer_reset_and_unref_internal(exec_ctx, h->args->read_buffer);
// Add auth context to channel args.
grpc_arg auth_context_arg = grpc_auth_context_to_arg(h->auth_context);
grpc_channel_args *tmp_args = h->args->args;
h->args->args =
grpc_channel_args_copy_and_add(tmp_args, &auth_context_arg, 1);
grpc_channel_args_destroy(exec_ctx, tmp_args);
// Invoke callback.
GRPC_CLOSURE_SCHED(exec_ctx, h->on_handshake_done, GRPC_ERROR_NONE);
// Set shutdown to true so that subsequent calls to
// security_handshaker_shutdown() do nothing.
h->shutdown = true;
done:
gpr_mu_unlock(&h->mu);
security_handshaker_unref(exec_ctx, h);
}
static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice_buffer *slices, grpc_closure *cb) {
grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
gpr_mu_lock(&m->mu);
if (m->read_buffer.count > 0) {
grpc_slice_buffer_swap(&m->read_buffer, slices);
GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
} else {
m->on_read = cb;
m->on_read_out = slices;
}
gpr_mu_unlock(&m->mu);
}
static void call_resolver_next_after_locking(grpc_exec_ctx *exec_ctx,
grpc_resolver *resolver,
grpc_channel_args **result,
grpc_closure *on_complete) {
next_args *a = gpr_malloc(sizeof(*a));
a->resolver = resolver;
a->result = result;
a->on_complete = on_complete;
GRPC_CLOSURE_SCHED(exec_ctx, GRPC_CLOSURE_CREATE(
call_resolver_next_now_lock_taken, a,
grpc_combiner_scheduler(resolver->combiner)),
GRPC_ERROR_NONE);
}
static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_error *why) {
half *m = (half *)ep;
gpr_mu_lock(&m->parent->mu);
m->parent->shutdown = true;
if (m->on_read) {
GRPC_CLOSURE_SCHED(
exec_ctx, m->on_read,
GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING("Shutdown", &why, 1));
m->on_read = NULL;
}
m = other_half(m);
if (m->on_read) {
GRPC_CLOSURE_SCHED(
exec_ctx, m->on_read,
GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING("Shutdown", &why, 1));
m->on_read = NULL;
}
gpr_mu_unlock(&m->parent->mu);
grpc_resource_user_shutdown(exec_ctx, m->resource_user);
GRPC_ERROR_UNREF(why);
}
void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice slice) {
grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
gpr_mu_lock(&m->mu);
if (m->on_read != NULL) {
grpc_slice_buffer_add(m->on_read_out, slice);
GRPC_CLOSURE_SCHED(exec_ctx, m->on_read, GRPC_ERROR_NONE);
m->on_read = NULL;
} else {
grpc_slice_buffer_add(&m->read_buffer, slice);
}
gpr_mu_unlock(&m->mu);
}
/* Callback to be passed to grpc_executor to asynch-ify
* grpc_blocking_resolve_address */
static void do_request_thread(grpc_exec_ctx *exec_ctx, void *rp,
grpc_error *error) {
request *r = rp;
if (error == GRPC_ERROR_NONE) {
error =
grpc_blocking_resolve_address(r->name, r->default_port, r->addresses);
} else {
GRPC_ERROR_REF(error);
}
GRPC_CLOSURE_SCHED(exec_ctx, r->on_done, error);
gpr_free(r->name);
gpr_free(r->default_port);
gpr_free(r);
}
void grpc_transport_stream_op_batch_finish_with_failure(
grpc_exec_ctx *exec_ctx, grpc_transport_stream_op_batch *batch,
grpc_error *error) {
if (batch->send_message) {
grpc_byte_stream_destroy(exec_ctx,
batch->payload->send_message.send_message);
}
if (batch->recv_message) {
GRPC_CLOSURE_SCHED(exec_ctx,
batch->payload->recv_message.recv_message_ready,
GRPC_ERROR_REF(error));
}
if (batch->recv_initial_metadata) {
GRPC_CLOSURE_SCHED(
exec_ctx,
batch->payload->recv_initial_metadata.recv_initial_metadata_ready,
GRPC_ERROR_REF(error));
}
GRPC_CLOSURE_SCHED(exec_ctx, batch->on_complete, error);
if (batch->cancel_stream) {
GRPC_ERROR_UNREF(batch->payload->cancel_stream.cancel_error);
}
}
static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
const char *default_port,
grpc_pollset_set *interested_parties,
grpc_closure *on_done,
grpc_resolved_addresses **addresses) {
request *r = gpr_malloc(sizeof(request));
GRPC_CLOSURE_INIT(&r->request_closure, do_request_thread, r,
grpc_executor_scheduler(GRPC_EXECUTOR_SHORT));
r->name = gpr_strdup(name);
r->default_port = gpr_strdup(default_port);
r->on_done = on_done;
r->addresses = addresses;
GRPC_CLOSURE_SCHED(exec_ctx, &r->request_closure, GRPC_ERROR_NONE);
}
void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure) {
GPR_ASSERT(!pollset->shutting_down);
GRPC_UV_ASSERT_SAME_THREAD();
pollset->shutting_down = 1;
if (grpc_pollset_work_run_loop) {
// Drain any pending UV callbacks without blocking
uv_run(uv_default_loop(), UV_RUN_NOWAIT);
} else {
// kick the loop once
uv_timer_start(dummy_uv_handle, dummy_timer_cb, 0, 0);
}
GRPC_CLOSURE_SCHED(exec_ctx, closure, GRPC_ERROR_NONE);
}
static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice_buffer *slices, grpc_closure *cb) {
half *m = other_half((half *)ep);
gpr_mu_lock(&m->parent->mu);
grpc_error *error = GRPC_ERROR_NONE;
m->parent->stats->num_writes++;
if (m->parent->shutdown) {
error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Endpoint already shutdown");
} else if (m->on_read != NULL) {
for (size_t i = 0; i < slices->count; i++) {
grpc_slice_buffer_add(m->on_read_out, grpc_slice_copy(slices->slices[i]));
}
GRPC_CLOSURE_SCHED(exec_ctx, m->on_read, GRPC_ERROR_NONE);
m->on_read = NULL;
} else {
for (size_t i = 0; i < slices->count; i++) {
grpc_slice_buffer_add(&m->read_buffer,
grpc_slice_copy(slices->slices[i]));
}
}
gpr_mu_unlock(&m->parent->mu);
GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
}
static void call_read_cb(grpc_exec_ctx *exec_ctx, secure_endpoint *ep,
grpc_error *error) {
if (GRPC_TRACER_ON(grpc_trace_secure_endpoint)) {
size_t i;
for (i = 0; i < ep->read_buffer->count; i++) {
char *data = grpc_dump_slice(ep->read_buffer->slices[i],
GPR_DUMP_HEX | GPR_DUMP_ASCII);
gpr_log(GPR_DEBUG, "READ %p: %s", ep, data);
gpr_free(data);
}
}
ep->read_buffer = NULL;
GRPC_CLOSURE_SCHED(exec_ctx, ep->read_cb, error);
SECURE_ENDPOINT_UNREF(exec_ctx, ep, "read");
}
static void really_destroy_stream(grpc_exec_ctx *exec_ctx, inproc_stream *s) {
INPROC_LOG(GPR_DEBUG, "really_destroy_stream %p", s);
slice_buffer_list_destroy(exec_ctx, &s->to_read_message);
slice_buffer_list_destroy(exec_ctx, &s->write_buffer_message);
GRPC_ERROR_UNREF(s->write_buffer_cancel_error);
GRPC_ERROR_UNREF(s->cancel_self_error);
GRPC_ERROR_UNREF(s->cancel_other_error);
unref_transport(exec_ctx, s->t);
if (s->closure_at_destroy) {
GRPC_CLOSURE_SCHED(exec_ctx, s->closure_at_destroy, GRPC_ERROR_NONE);
}
}
static void non_polling_poller_shutdown(grpc_exec_ctx *exec_ctx,
grpc_pollset *pollset,
grpc_closure *closure) {
non_polling_poller *p = (non_polling_poller *)pollset;
GPR_ASSERT(closure != NULL);
p->shutdown = closure;
if (p->root == NULL) {
GRPC_CLOSURE_SCHED(exec_ctx, closure, GRPC_ERROR_NONE);
} else {
non_polling_worker *w = p->root;
do {
gpr_cv_signal(&w->cv);
w = w->next;
} while (w != p->root);
}
}
void grpc_connectivity_state_set(grpc_exec_ctx *exec_ctx,
grpc_connectivity_state_tracker *tracker,
grpc_connectivity_state state,
grpc_error *error, const char *reason) {
grpc_connectivity_state cur =
(grpc_connectivity_state)gpr_atm_no_barrier_load(
&tracker->current_state_atm);
grpc_connectivity_state_watcher *w;
if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
const char *error_string = grpc_error_string(error);
gpr_log(GPR_DEBUG, "SET: %p %s: %s --> %s [%s] error=%p %s", tracker,
tracker->name, grpc_connectivity_state_name(cur),
grpc_connectivity_state_name(state), reason, error, error_string);
}
switch (state) {
case GRPC_CHANNEL_INIT:
case GRPC_CHANNEL_CONNECTING:
case GRPC_CHANNEL_IDLE:
case GRPC_CHANNEL_READY:
GPR_ASSERT(error == GRPC_ERROR_NONE);
break;
case GRPC_CHANNEL_SHUTDOWN:
case GRPC_CHANNEL_TRANSIENT_FAILURE:
GPR_ASSERT(error != GRPC_ERROR_NONE);
break;
}
GRPC_ERROR_UNREF(tracker->current_error);
tracker->current_error = error;
if (cur == state) {
return;
}
GPR_ASSERT(cur != GRPC_CHANNEL_SHUTDOWN);
gpr_atm_no_barrier_store(&tracker->current_state_atm, state);
while ((w = tracker->watchers) != NULL) {
*w->current = state;
tracker->watchers = w->next;
if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
gpr_log(GPR_DEBUG, "NOTIFY: %p %s: %p", tracker, tracker->name,
w->notify);
}
GRPC_CLOSURE_SCHED(exec_ctx, w->notify,
GRPC_ERROR_REF(tracker->current_error));
gpr_free(w);
}
}