void grpc_server_start(grpc_server *server) {
listener *l;
size_t i;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GRPC_API_TRACE("grpc_server_start(server=%p)", 1, (server));
server->started = true;
size_t pollset_count = 0;
server->pollsets = gpr_malloc(sizeof(grpc_pollset *) * server->cq_count);
for (i = 0; i < server->cq_count; i++) {
if (!grpc_cq_is_non_listening_server_cq(server->cqs[i])) {
server->pollsets[pollset_count++] = grpc_cq_pollset(server->cqs[i]);
}
}
request_matcher_init(&server->unregistered_request_matcher,
server->max_requested_calls, server);
for (registered_method *rm = server->registered_methods; rm; rm = rm->next) {
request_matcher_init(&rm->request_matcher, server->max_requested_calls,
server);
}
for (l = server->listeners; l; l = l->next) {
l->start(&exec_ctx, server, l->arg, server->pollsets, pollset_count);
}
grpc_exec_ctx_finish(&exec_ctx);
}
void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call,
grpc_completion_queue *cq) {
GPR_ASSERT(cq);
call->cq = cq;
GRPC_CQ_INTERNAL_REF(cq, "bind");
grpc_call_stack_set_pollset(exec_ctx, CALL_STACK_FROM_CALL(call),
grpc_cq_pollset(cq));
}
static void server_setup_transport(void *ts, grpc_transport *transport) {
grpc_end2end_test_fixture *f = ts;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_endpoint_pair *sfd = f->fixture_data;
grpc_endpoint_add_to_pollset(&exec_ctx, sfd->server, grpc_cq_pollset(f->cq));
grpc_server_setup_transport(&exec_ctx, f->server, transport, NULL,
grpc_server_get_channel_args(f->server));
grpc_exec_ctx_finish(&exec_ctx);
}
static void partly_done(grpc_exec_ctx *exec_ctx, state_watcher *w,
bool due_to_completion, grpc_error *error) {
if (due_to_completion) {
grpc_timer_cancel(exec_ctx, &w->alarm);
} else {
grpc_channel_element *client_channel_elem = grpc_channel_stack_last_element(
grpc_channel_get_channel_stack(w->channel));
grpc_client_channel_watch_connectivity_state(
exec_ctx, client_channel_elem,
grpc_polling_entity_create_from_pollset(grpc_cq_pollset(w->cq)), NULL,
&w->on_complete, NULL);
}
gpr_mu_lock(&w->mu);
if (due_to_completion) {
if (GRPC_TRACER_ON(grpc_trace_operation_failures)) {
GRPC_LOG_IF_ERROR("watch_completion_error", GRPC_ERROR_REF(error));
}
GRPC_ERROR_UNREF(error);
error = GRPC_ERROR_NONE;
} else {
if (error == GRPC_ERROR_NONE) {
error = GRPC_ERROR_CREATE_FROM_STATIC_STRING(
"Timed out waiting for connection state change");
} else if (error == GRPC_ERROR_CANCELLED) {
error = GRPC_ERROR_NONE;
}
}
switch (w->phase) {
case WAITING:
GRPC_ERROR_REF(error);
w->error = error;
w->phase = READY_TO_CALL_BACK;
break;
case READY_TO_CALL_BACK:
if (error != GRPC_ERROR_NONE) {
GPR_ASSERT(!due_to_completion);
GRPC_ERROR_UNREF(w->error);
GRPC_ERROR_REF(error);
w->error = error;
}
w->phase = CALLING_BACK_AND_FINISHED;
grpc_cq_end_op(exec_ctx, w->cq, w->tag, w->error, finished_completion, w,
&w->completion_storage);
break;
case CALLING_BACK_AND_FINISHED:
GPR_UNREACHABLE_CODE(return );
break;
}
gpr_mu_unlock(&w->mu);
GRPC_ERROR_UNREF(error);
}
void grpc_server_start(grpc_server *server) {
listener *l;
size_t i;
server->pollsets = gpr_malloc(sizeof(grpc_pollset *) * server->cq_count);
for (i = 0; i < server->cq_count; i++) {
server->pollsets[i] = grpc_cq_pollset(server->cqs[i]);
}
for (l = server->listeners; l; l = l->next) {
l->start(server, l->arg, server->pollsets, server->cq_count);
}
}
void grpc_channel_watch_connectivity_state(
grpc_channel *channel, grpc_connectivity_state last_observed_state,
gpr_timespec deadline, grpc_completion_queue *cq, void *tag) {
grpc_channel_element *client_channel_elem =
grpc_channel_stack_last_element(grpc_channel_get_channel_stack(channel));
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
state_watcher *w = (state_watcher *)gpr_malloc(sizeof(*w));
GRPC_API_TRACE(
"grpc_channel_watch_connectivity_state("
"channel=%p, last_observed_state=%d, "
"deadline=gpr_timespec { tv_sec: %" PRId64
", tv_nsec: %d, clock_type: %d }, "
"cq=%p, tag=%p)",
7, (channel, (int)last_observed_state, deadline.tv_sec, deadline.tv_nsec,
(int)deadline.clock_type, cq, tag));
GPR_ASSERT(grpc_cq_begin_op(cq, tag));
gpr_mu_init(&w->mu);
GRPC_CLOSURE_INIT(&w->on_complete, watch_complete, w,
grpc_schedule_on_exec_ctx);
GRPC_CLOSURE_INIT(&w->on_timeout, timeout_complete, w,
grpc_schedule_on_exec_ctx);
w->phase = WAITING;
w->state = last_observed_state;
w->cq = cq;
w->tag = tag;
w->channel = channel;
w->error = NULL;
watcher_timer_init_arg *wa =
(watcher_timer_init_arg *)gpr_malloc(sizeof(watcher_timer_init_arg));
wa->w = w;
wa->deadline = deadline;
GRPC_CLOSURE_INIT(&w->watcher_timer_init, watcher_timer_init, wa,
grpc_schedule_on_exec_ctx);
if (client_channel_elem->filter == &grpc_client_channel_filter) {
GRPC_CHANNEL_INTERNAL_REF(channel, "watch_channel_connectivity");
grpc_client_channel_watch_connectivity_state(
&exec_ctx, client_channel_elem,
grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)), &w->state,
&w->on_complete, &w->watcher_timer_init);
} else {
abort();
}
grpc_exec_ctx_finish(&exec_ctx);
}
void grpc_server_start(grpc_server *server) {
listener *l;
size_t i;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
server->pollsets = gpr_malloc(sizeof(grpc_pollset *) * server->cq_count);
for (i = 0; i < server->cq_count; i++) {
server->pollsets[i] = grpc_cq_pollset(server->cqs[i]);
}
for (l = server->listeners; l; l = l->next) {
l->start(&exec_ctx, server, l->arg, server->pollsets, server->cq_count);
}
grpc_exec_ctx_finish(&exec_ctx);
}
void grpc_channel_ping(grpc_channel *channel, grpc_completion_queue *cq,
void *tag, void *reserved) {
grpc_transport_op op;
ping_result *pr = gpr_malloc(sizeof(*pr));
grpc_channel_element *top_elem =
grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GPR_ASSERT(reserved == NULL);
memset(&op, 0, sizeof(op));
pr->tag = tag;
pr->cq = cq;
grpc_closure_init(&pr->closure, ping_done, pr);
op.send_ping = &pr->closure;
op.bind_pollset = grpc_cq_pollset(cq);
grpc_cq_begin_op(cq, tag);
top_elem->filter->start_transport_op(&exec_ctx, top_elem, &op);
grpc_exec_ctx_finish(&exec_ctx);
}
void grpc_channel_ping(grpc_channel *channel, grpc_completion_queue *cq,
void *tag, void *reserved) {
GRPC_API_TRACE("grpc_channel_ping(channel=%p, cq=%p, tag=%p, reserved=%p)", 4,
(channel, cq, tag, reserved));
grpc_transport_op *op = grpc_make_transport_op(NULL);
ping_result *pr = gpr_malloc(sizeof(*pr));
grpc_channel_element *top_elem =
grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GPR_ASSERT(reserved == NULL);
pr->tag = tag;
pr->cq = cq;
grpc_closure_init(&pr->closure, ping_done, pr);
op->send_ping = &pr->closure;
op->bind_pollset = grpc_cq_pollset(cq);
grpc_cq_begin_op(cq, tag);
top_elem->filter->start_transport_op(&exec_ctx, top_elem, op);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_transport_setup_result grpc_server_setup_transport(
grpc_server *s, grpc_transport *transport,
grpc_channel_filter const **extra_filters, size_t num_extra_filters,
grpc_mdctx *mdctx) {
size_t num_filters = s->channel_filter_count + num_extra_filters + 1;
grpc_channel_filter const **filters =
gpr_malloc(sizeof(grpc_channel_filter *) * num_filters);
size_t i;
size_t num_registered_methods;
size_t alloc;
registered_method *rm;
channel_registered_method *crm;
grpc_channel *channel;
channel_data *chand;
grpc_mdstr *host;
grpc_mdstr *method;
gpr_uint32 hash;
gpr_uint32 slots;
gpr_uint32 probes;
gpr_uint32 max_probes = 0;
grpc_transport_setup_result result;
for (i = 0; i < s->channel_filter_count; i++) {
filters[i] = s->channel_filters[i];
}
for (; i < s->channel_filter_count + num_extra_filters; i++) {
filters[i] = extra_filters[i - s->channel_filter_count];
}
filters[i] = &grpc_connected_channel_filter;
for (i = 0; i < s->cq_count; i++) {
grpc_transport_add_to_pollset(transport, grpc_cq_pollset(s->cqs[i]));
}
channel = grpc_channel_create_from_filters(filters, num_filters,
s->channel_args, mdctx, 0);
chand = (channel_data *)grpc_channel_stack_element(
grpc_channel_get_channel_stack(channel), 0)
->channel_data;
chand->server = s;
server_ref(s);
chand->channel = channel;
num_registered_methods = 0;
for (rm = s->registered_methods; rm; rm = rm->next) {
num_registered_methods++;
}
/* build a lookup table phrased in terms of mdstr's in this channels context
to quickly find registered methods */
if (num_registered_methods > 0) {
slots = 2 * num_registered_methods;
alloc = sizeof(channel_registered_method) * slots;
chand->registered_methods = gpr_malloc(alloc);
memset(chand->registered_methods, 0, alloc);
for (rm = s->registered_methods; rm; rm = rm->next) {
host = rm->host ? grpc_mdstr_from_string(mdctx, rm->host) : NULL;
method = grpc_mdstr_from_string(mdctx, rm->method);
hash = GRPC_MDSTR_KV_HASH(host ? host->hash : 0, method->hash);
for (probes = 0; chand->registered_methods[(hash + probes) % slots]
.server_registered_method != NULL;
probes++)
;
if (probes > max_probes) max_probes = probes;
crm = &chand->registered_methods[(hash + probes) % slots];
crm->server_registered_method = rm;
crm->host = host;
crm->method = method;
}
chand->registered_method_slots = slots;
chand->registered_method_max_probes = max_probes;
}
result = grpc_connected_channel_bind_transport(
grpc_channel_get_channel_stack(channel), transport);
gpr_mu_lock(&s->mu);
chand->next = &s->root_channel_data;
chand->prev = chand->next->prev;
chand->next->prev = chand->prev->next = chand;
gpr_mu_unlock(&s->mu);
gpr_free(filters);
return result;
}
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();
}
static void enact_send_action(grpc_call *call, send_action sa) {
grpc_ioreq_data data;
grpc_call_op op;
size_t i;
gpr_uint32 flags = 0;
char status_str[GPR_LTOA_MIN_BUFSIZE];
switch (sa) {
case SEND_NOTHING:
abort();
break;
case SEND_BUFFERED_INITIAL_METADATA:
flags |= GRPC_WRITE_BUFFER_HINT;
/* fallthrough */
case SEND_INITIAL_METADATA:
data = call->request_data[GRPC_IOREQ_SEND_INITIAL_METADATA];
for (i = 0; i < data.send_metadata.count; i++) {
const grpc_metadata *md = &data.send_metadata.metadata[i];
send_metadata(call,
grpc_mdelem_from_string_and_buffer(
call->metadata_context, md->key,
(const gpr_uint8 *)md->value, md->value_length));
}
op.type = GRPC_SEND_START;
op.dir = GRPC_CALL_DOWN;
op.flags = flags;
op.data.start.pollset = grpc_cq_pollset(call->cq);
op.done_cb = finish_start_step;
op.user_data = call;
grpc_call_execute_op(call, &op);
break;
case SEND_BUFFERED_MESSAGE:
flags |= GRPC_WRITE_BUFFER_HINT;
/* fallthrough */
case SEND_MESSAGE:
data = call->request_data[GRPC_IOREQ_SEND_MESSAGE];
op.type = GRPC_SEND_MESSAGE;
op.dir = GRPC_CALL_DOWN;
op.flags = flags;
op.data.message = data.send_message;
op.done_cb = finish_write_step;
op.user_data = call;
grpc_call_execute_op(call, &op);
break;
case SEND_TRAILING_METADATA_AND_FINISH:
/* send trailing metadata */
data = call->request_data[GRPC_IOREQ_SEND_TRAILING_METADATA];
for (i = 0; i < data.send_metadata.count; i++) {
const grpc_metadata *md = &data.send_metadata.metadata[i];
send_metadata(call,
grpc_mdelem_from_string_and_buffer(
call->metadata_context, md->key,
(const gpr_uint8 *)md->value, md->value_length));
}
/* send status */
/* TODO(ctiller): cache common status values */
data = call->request_data[GRPC_IOREQ_SEND_STATUS];
gpr_ltoa(data.send_status.code, status_str);
send_metadata(
call,
grpc_mdelem_from_metadata_strings(
call->metadata_context,
grpc_mdstr_ref(grpc_channel_get_status_string(call->channel)),
grpc_mdstr_from_string(call->metadata_context, status_str)));
if (data.send_status.details) {
send_metadata(
call,
grpc_mdelem_from_metadata_strings(
call->metadata_context,
grpc_mdstr_ref(grpc_channel_get_message_string(call->channel)),
grpc_mdstr_from_string(call->metadata_context,
data.send_status.details)));
}
/* fallthrough: see choose_send_action for details */
case SEND_FINISH:
op.type = GRPC_SEND_FINISH;
op.dir = GRPC_CALL_DOWN;
op.flags = 0;
op.done_cb = finish_finish_step;
op.user_data = call;
grpc_call_execute_op(call, &op);
break;
}
}
void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
const char *client_payload,
size_t client_payload_length, gpr_uint32 flags) {
grpc_endpoint_pair sfd;
thd_args a;
gpr_thd_id id;
char *hex;
grpc_transport *transport;
grpc_mdctx *mdctx = grpc_mdctx_create();
gpr_slice slice =
gpr_slice_from_copied_buffer(client_payload, client_payload_length);
hex = gpr_dump(client_payload, client_payload_length,
GPR_DUMP_HEX | GPR_DUMP_ASCII);
/* Add a debug log */
gpr_log(GPR_INFO, "TEST: %s", hex);
gpr_free(hex);
/* Init grpc */
grpc_init();
/* Create endpoints */
sfd = grpc_iomgr_create_endpoint_pair("fixture", 65536);
/* Create server, completion events */
a.server = grpc_server_create_from_filters(NULL, 0, NULL);
a.cq = grpc_completion_queue_create(NULL);
gpr_event_init(&a.done_thd);
gpr_event_init(&a.done_write);
a.validator = validator;
grpc_server_register_completion_queue(a.server, a.cq, NULL);
grpc_server_start(a.server);
transport = grpc_create_chttp2_transport(NULL, sfd.server, mdctx, 0);
server_setup_transport(&a, transport, mdctx);
grpc_chttp2_transport_start_reading(transport, NULL, 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)));
if (flags & GRPC_BAD_CLIENT_DISCONNECT) {
grpc_endpoint_destroy(sfd.client);
sfd.client = NULL;
}
GPR_ASSERT(gpr_event_wait(&a.done_thd, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
/* Shutdown */
if (sfd.client) {
grpc_endpoint_destroy(sfd.client);
}
grpc_server_shutdown_and_notify(a.server, a.cq, NULL);
GPR_ASSERT(grpc_completion_queue_pluck(
a.cq, NULL, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)
.type == GRPC_OP_COMPLETE);
grpc_server_destroy(a.server);
grpc_completion_queue_destroy(a.cq);
grpc_shutdown();
}
void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s,
grpc_transport *transport,
grpc_channel_filter const **extra_filters,
size_t num_extra_filters,
const grpc_channel_args *args) {
size_t num_filters = s->channel_filter_count + num_extra_filters + 1;
grpc_channel_filter const **filters =
gpr_malloc(sizeof(grpc_channel_filter *) * num_filters);
size_t i;
size_t num_registered_methods;
size_t alloc;
registered_method *rm;
channel_registered_method *crm;
grpc_channel *channel;
channel_data *chand;
grpc_mdstr *host;
grpc_mdstr *method;
uint32_t hash;
size_t slots;
uint32_t probes;
uint32_t max_probes = 0;
grpc_transport_op op;
for (i = 0; i < s->channel_filter_count; i++) {
filters[i] = s->channel_filters[i];
}
for (; i < s->channel_filter_count + num_extra_filters; i++) {
filters[i] = extra_filters[i - s->channel_filter_count];
}
filters[i] = &grpc_connected_channel_filter;
for (i = 0; i < s->cq_count; i++) {
memset(&op, 0, sizeof(op));
op.bind_pollset = grpc_cq_pollset(s->cqs[i]);
grpc_transport_perform_op(exec_ctx, transport, &op);
}
channel = grpc_channel_create_from_filters(exec_ctx, NULL, filters,
num_filters, args, 0);
chand = (channel_data *)grpc_channel_stack_element(
grpc_channel_get_channel_stack(channel), 0)->channel_data;
chand->server = s;
server_ref(s);
chand->channel = channel;
num_registered_methods = 0;
for (rm = s->registered_methods; rm; rm = rm->next) {
num_registered_methods++;
}
/* build a lookup table phrased in terms of mdstr's in this channels context
to quickly find registered methods */
if (num_registered_methods > 0) {
slots = 2 * num_registered_methods;
alloc = sizeof(channel_registered_method) * slots;
chand->registered_methods = gpr_malloc(alloc);
memset(chand->registered_methods, 0, alloc);
for (rm = s->registered_methods; rm; rm = rm->next) {
host = rm->host ? grpc_mdstr_from_string(rm->host) : NULL;
method = grpc_mdstr_from_string(rm->method);
hash = GRPC_MDSTR_KV_HASH(host ? host->hash : 0, method->hash);
for (probes = 0; chand->registered_methods[(hash + probes) % slots]
.server_registered_method != NULL;
probes++)
;
if (probes > max_probes) max_probes = probes;
crm = &chand->registered_methods[(hash + probes) % slots];
crm->server_registered_method = rm;
crm->host = host;
crm->method = method;
}
GPR_ASSERT(slots <= UINT32_MAX);
chand->registered_method_slots = (uint32_t)slots;
chand->registered_method_max_probes = max_probes;
}
grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
transport);
gpr_mu_lock(&s->mu_global);
chand->next = &s->root_channel_data;
chand->prev = chand->next->prev;
chand->next->prev = chand->prev->next = chand;
gpr_mu_unlock(&s->mu_global);
gpr_free((void *)filters);
GRPC_CHANNEL_INTERNAL_REF(channel, "connectivity");
memset(&op, 0, sizeof(op));
op.set_accept_stream = accept_stream;
op.set_accept_stream_user_data = chand;
op.on_connectivity_state_change = &chand->channel_connectivity_changed;
op.connectivity_state = &chand->connectivity_state;
op.disconnect = gpr_atm_acq_load(&s->shutdown_flag) != 0;
grpc_transport_perform_op(exec_ctx, transport, &op);
}
static int fill_send_ops(grpc_call *call, grpc_transport_op *op) {
grpc_ioreq_data data;
grpc_metadata_batch mdb;
size_t i;
char status_str[GPR_LTOA_MIN_BUFSIZE];
GPR_ASSERT(op->send_ops == NULL);
switch (call->write_state) {
case WRITE_STATE_INITIAL:
if (!is_op_live(call, GRPC_IOREQ_SEND_INITIAL_METADATA)) {
break;
}
data = call->request_data[GRPC_IOREQ_SEND_INITIAL_METADATA];
mdb.list = chain_metadata_from_app(call, data.send_metadata.count,
data.send_metadata.metadata);
mdb.garbage.head = mdb.garbage.tail = NULL;
mdb.deadline = call->send_deadline;
for (i = 0; i < call->send_initial_metadata_count; i++) {
grpc_metadata_batch_link_head(&mdb, &call->send_initial_metadata[i]);
}
grpc_sopb_add_metadata(&call->send_ops, mdb);
op->send_ops = &call->send_ops;
op->bind_pollset = grpc_cq_pollset(call->cq);
call->last_send_contains |= 1 << GRPC_IOREQ_SEND_INITIAL_METADATA;
call->write_state = WRITE_STATE_STARTED;
call->send_initial_metadata_count = 0;
/* fall through intended */
case WRITE_STATE_STARTED:
if (is_op_live(call, GRPC_IOREQ_SEND_MESSAGE)) {
data = call->request_data[GRPC_IOREQ_SEND_MESSAGE];
grpc_sopb_add_begin_message(
&call->send_ops, grpc_byte_buffer_length(data.send_message), 0);
copy_byte_buffer_to_stream_ops(data.send_message, &call->send_ops);
op->send_ops = &call->send_ops;
call->last_send_contains |= 1 << GRPC_IOREQ_SEND_MESSAGE;
}
if (is_op_live(call, GRPC_IOREQ_SEND_CLOSE)) {
op->is_last_send = 1;
op->send_ops = &call->send_ops;
call->last_send_contains |= 1 << GRPC_IOREQ_SEND_CLOSE;
call->write_state = WRITE_STATE_WRITE_CLOSED;
if (!call->is_client) {
/* send trailing metadata */
data = call->request_data[GRPC_IOREQ_SEND_TRAILING_METADATA];
mdb.list = chain_metadata_from_app(call, data.send_metadata.count,
data.send_metadata.metadata);
mdb.garbage.head = mdb.garbage.tail = NULL;
mdb.deadline = gpr_inf_future;
/* send status */
/* TODO(ctiller): cache common status values */
data = call->request_data[GRPC_IOREQ_SEND_STATUS];
gpr_ltoa(data.send_status.code, status_str);
grpc_metadata_batch_add_tail(
&mdb, &call->status_link,
grpc_mdelem_from_metadata_strings(
call->metadata_context,
grpc_mdstr_ref(grpc_channel_get_status_string(call->channel)),
grpc_mdstr_from_string(call->metadata_context, status_str)));
if (data.send_status.details) {
grpc_metadata_batch_add_tail(
&mdb, &call->details_link,
grpc_mdelem_from_metadata_strings(
call->metadata_context,
grpc_mdstr_ref(
grpc_channel_get_message_string(call->channel)),
grpc_mdstr_from_string(call->metadata_context,
data.send_status.details)));
}
grpc_sopb_add_metadata(&call->send_ops, mdb);
}
}
break;
case WRITE_STATE_WRITE_CLOSED:
break;
}
if (op->send_ops) {
op->on_done_send = call_on_done_send;
op->send_user_data = call;
}
return op->send_ops != NULL;
}
grpc_call *grpc_call_create(grpc_channel *channel, grpc_call *parent_call,
uint32_t propagation_mask,
grpc_completion_queue *cq,
const void *server_transport_data,
grpc_mdelem **add_initial_metadata,
size_t add_initial_metadata_count,
gpr_timespec send_deadline) {
size_t i, j;
grpc_channel_stack *channel_stack = grpc_channel_get_channel_stack(channel);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_call *call;
GPR_TIMER_BEGIN("grpc_call_create", 0);
call = gpr_malloc(sizeof(grpc_call) + channel_stack->call_stack_size);
memset(call, 0, sizeof(grpc_call));
gpr_mu_init(&call->mu);
call->channel = channel;
call->cq = cq;
call->parent = parent_call;
call->is_client = server_transport_data == NULL;
if (call->is_client) {
GPR_ASSERT(add_initial_metadata_count < MAX_SEND_EXTRA_METADATA_COUNT);
for (i = 0; i < add_initial_metadata_count; i++) {
call->send_extra_metadata[i].md = add_initial_metadata[i];
}
call->send_extra_metadata_count = (int)add_initial_metadata_count;
} else {
GPR_ASSERT(add_initial_metadata_count == 0);
call->send_extra_metadata_count = 0;
}
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
call->metadata_batch[i][j].deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
}
}
call->send_deadline = send_deadline;
GRPC_CHANNEL_INTERNAL_REF(channel, "call");
/* initial refcount dropped by grpc_call_destroy */
grpc_call_stack_init(&exec_ctx, channel_stack, 1, destroy_call, call,
call->context, server_transport_data,
CALL_STACK_FROM_CALL(call));
if (cq != NULL) {
GRPC_CQ_INTERNAL_REF(cq, "bind");
grpc_call_stack_set_pollset(&exec_ctx, CALL_STACK_FROM_CALL(call),
grpc_cq_pollset(cq));
}
if (parent_call != NULL) {
GRPC_CALL_INTERNAL_REF(parent_call, "child");
GPR_ASSERT(call->is_client);
GPR_ASSERT(!parent_call->is_client);
gpr_mu_lock(&parent_call->mu);
if (propagation_mask & GRPC_PROPAGATE_DEADLINE) {
send_deadline = gpr_time_min(
gpr_convert_clock_type(send_deadline,
parent_call->send_deadline.clock_type),
parent_call->send_deadline);
}
/* for now GRPC_PROPAGATE_TRACING_CONTEXT *MUST* be passed with
* GRPC_PROPAGATE_STATS_CONTEXT */
/* TODO(ctiller): This should change to use the appropriate census start_op
* call. */
if (propagation_mask & GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT) {
GPR_ASSERT(propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT);
grpc_call_context_set(call, GRPC_CONTEXT_TRACING,
parent_call->context[GRPC_CONTEXT_TRACING].value,
NULL);
} else {
GPR_ASSERT(propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT);
}
if (propagation_mask & GRPC_PROPAGATE_CANCELLATION) {
call->cancellation_is_inherited = 1;
}
if (parent_call->first_child == NULL) {
parent_call->first_child = call;
call->sibling_next = call->sibling_prev = call;
} else {
call->sibling_next = parent_call->first_child;
call->sibling_prev = parent_call->first_child->sibling_prev;
call->sibling_next->sibling_prev = call->sibling_prev->sibling_next =
call;
}
gpr_mu_unlock(&parent_call->mu);
}
if (gpr_time_cmp(send_deadline, gpr_inf_future(send_deadline.clock_type)) !=
0) {
set_deadline_alarm(&exec_ctx, call, send_deadline);
}
grpc_exec_ctx_finish(&exec_ctx);
GPR_TIMER_END("grpc_call_create", 0);
return call;
}
static void test_pollset_conversion(void) {
grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
GPR_ASSERT(grpc_cq_from_pollset(grpc_cq_pollset(cq)) == cq);
shutdown_and_destroy(cq);
}
void grpc_run_bad_client_test(
grpc_bad_client_server_side_validator server_validator,
grpc_bad_client_client_stream_validator client_validator,
const char *client_payload, size_t client_payload_length, uint32_t flags) {
grpc_endpoint_pair sfd;
thd_args a;
gpr_thd_id id;
char *hex;
grpc_transport *transport;
gpr_slice slice =
gpr_slice_from_copied_buffer(client_payload, client_payload_length);
gpr_slice_buffer outgoing;
grpc_closure done_write_closure;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
hex = gpr_dump(client_payload, client_payload_length,
GPR_DUMP_HEX | GPR_DUMP_ASCII);
/* Add a debug log */
gpr_log(GPR_INFO, "TEST: %s", hex);
gpr_free(hex);
/* Init grpc */
grpc_init();
/* Create endpoints */
sfd = grpc_iomgr_create_endpoint_pair("fixture", 65536);
/* Create server, completion events */
a.server = grpc_server_create(NULL, NULL);
a.cq = grpc_completion_queue_create(NULL);
gpr_event_init(&a.done_thd);
gpr_event_init(&a.done_write);
a.validator = server_validator;
grpc_server_register_completion_queue(a.server, a.cq, NULL);
a.registered_method =
grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD,
GRPC_BAD_CLIENT_REGISTERED_HOST,
GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
grpc_server_start(a.server);
transport = grpc_create_chttp2_transport(&exec_ctx, NULL, sfd.server, 0);
server_setup_transport(&a, transport);
grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL);
grpc_exec_ctx_finish(&exec_ctx);
/* Bind everything into the same pollset */
grpc_endpoint_add_to_pollset(&exec_ctx, sfd.client, grpc_cq_pollset(a.cq));
grpc_endpoint_add_to_pollset(&exec_ctx, 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);
gpr_slice_buffer_init(&outgoing);
gpr_slice_buffer_add(&outgoing, slice);
grpc_closure_init(&done_write_closure, done_write, &a);
/* Write data */
grpc_endpoint_write(&exec_ctx, sfd.client, &outgoing, &done_write_closure);
grpc_exec_ctx_finish(&exec_ctx);
/* Await completion */
GPR_ASSERT(
gpr_event_wait(&a.done_write, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
if (flags & GRPC_BAD_CLIENT_DISCONNECT) {
grpc_endpoint_shutdown(&exec_ctx, sfd.client);
grpc_endpoint_destroy(&exec_ctx, sfd.client);
grpc_exec_ctx_finish(&exec_ctx);
sfd.client = NULL;
}
GPR_ASSERT(gpr_event_wait(&a.done_thd, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
if (sfd.client != NULL) {
// Validate client stream, if requested.
if (client_validator != NULL) {
read_args args;
args.validator = client_validator;
gpr_slice_buffer_init(&args.incoming);
gpr_event_init(&args.read_done);
grpc_closure read_done_closure;
grpc_closure_init(&read_done_closure, read_done, &args);
grpc_endpoint_read(&exec_ctx, sfd.client, &args.incoming,
&read_done_closure);
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(
gpr_event_wait(&args.read_done, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)));
gpr_slice_buffer_destroy(&args.incoming);
}
// Shutdown.
grpc_endpoint_shutdown(&exec_ctx, sfd.client);
grpc_endpoint_destroy(&exec_ctx, sfd.client);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_server_shutdown_and_notify(a.server, a.cq, NULL);
GPR_ASSERT(grpc_completion_queue_pluck(
a.cq, NULL, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)
.type == GRPC_OP_COMPLETE);
grpc_server_destroy(a.server);
grpc_completion_queue_destroy(a.cq);
gpr_slice_buffer_destroy(&outgoing);
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
}