static void begin_call(grpc_server *server, call_data *calld,
requested_call *rc) {
grpc_ioreq_completion_func publish = publish_was_not_set;
grpc_ioreq req[2];
grpc_ioreq *r = req;
/* called once initial metadata has been read by the call, but BEFORE
the ioreq to fetch it out of the call has been executed.
This means metadata related fields can be relied on in calld, but to
fill in the metadata array passed by the client, we need to perform
an ioreq op, that should complete immediately. */
switch (rc->type) {
case LEGACY_CALL:
calld->legacy = gpr_malloc(sizeof(legacy_data));
memset(calld->legacy, 0, sizeof(legacy_data));
r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
r->data.recv_metadata = &calld->legacy->initial_metadata;
r++;
publish = publish_legacy;
break;
case BATCH_CALL:
cpstr(&rc->data.batch.details->host,
&rc->data.batch.details->host_capacity, calld->host);
cpstr(&rc->data.batch.details->method,
&rc->data.batch.details->method_capacity, calld->path);
rc->data.batch.details->deadline = calld->deadline;
grpc_call_set_completion_queue(calld->call, rc->data.batch.cq_bind);
*rc->data.batch.call = calld->call;
r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
r->data.recv_metadata = rc->data.batch.initial_metadata;
r++;
calld->cq_new = server->unregistered_cq;
publish = publish_registered_or_batch;
break;
case REGISTERED_CALL:
*rc->data.registered.deadline = calld->deadline;
grpc_call_set_completion_queue(calld->call, rc->data.registered.cq_bind);
*rc->data.registered.call = calld->call;
r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
r->data.recv_metadata = rc->data.registered.initial_metadata;
r++;
if (rc->data.registered.optional_payload) {
r->op = GRPC_IOREQ_RECV_MESSAGE;
r->data.recv_message = rc->data.registered.optional_payload;
r++;
}
calld->cq_new = rc->data.registered.registered_method->cq;
publish = publish_registered_or_batch;
break;
}
GRPC_CALL_INTERNAL_REF(calld->call, "server");
grpc_call_start_ioreq_and_call_back(calld->call, req, r - req, publish,
rc->tag);
}
static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
call_data *calld, requested_call *rc) {
grpc_ioreq_completion_func publish = publish_was_not_set;
grpc_ioreq req[2];
grpc_ioreq *r = req;
/* called once initial metadata has been read by the call, but BEFORE
the ioreq to fetch it out of the call has been executed.
This means metadata related fields can be relied on in calld, but to
fill in the metadata array passed by the client, we need to perform
an ioreq op, that should complete immediately. */
grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
*rc->call = calld->call;
calld->cq_new = rc->cq_for_notification;
switch (rc->type) {
case BATCH_CALL:
GPR_ASSERT(calld->host != NULL);
GPR_ASSERT(calld->path != NULL);
cpstr(&rc->data.batch.details->host,
&rc->data.batch.details->host_capacity, calld->host);
cpstr(&rc->data.batch.details->method,
&rc->data.batch.details->method_capacity, calld->path);
rc->data.batch.details->deadline = calld->deadline;
r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
r->data.recv_metadata = rc->data.batch.initial_metadata;
r->flags = 0;
r++;
publish = publish_registered_or_batch;
break;
case REGISTERED_CALL:
*rc->data.registered.deadline = calld->deadline;
r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
r->data.recv_metadata = rc->data.registered.initial_metadata;
r->flags = 0;
r++;
if (rc->data.registered.optional_payload) {
r->op = GRPC_IOREQ_RECV_MESSAGE;
r->data.recv_message = rc->data.registered.optional_payload;
r->flags = 0;
r++;
}
publish = publish_registered_or_batch;
break;
}
GRPC_CALL_INTERNAL_REF(calld->call, "server");
grpc_call_start_ioreq_and_call_back(exec_ctx, calld->call, req,
(size_t)(r - req), publish, rc);
}
static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
call_data *calld, requested_call *rc) {
grpc_op ops[1];
grpc_op *op = ops;
memset(ops, 0, sizeof(ops));
/* called once initial metadata has been read by the call, but BEFORE
the ioreq to fetch it out of the call has been executed.
This means metadata related fields can be relied on in calld, but to
fill in the metadata array passed by the client, we need to perform
an ioreq op, that should complete immediately. */
grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
grpc_closure_init(&rc->publish, publish_registered_or_batch, rc);
*rc->call = calld->call;
calld->cq_new = rc->cq_for_notification;
GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
switch (rc->type) {
case BATCH_CALL:
GPR_ASSERT(calld->host != NULL);
GPR_ASSERT(calld->path != NULL);
cpstr(&rc->data.batch.details->host,
&rc->data.batch.details->host_capacity, calld->host);
cpstr(&rc->data.batch.details->method,
&rc->data.batch.details->method_capacity, calld->path);
rc->data.batch.details->deadline = calld->deadline;
break;
case REGISTERED_CALL:
*rc->data.registered.deadline = calld->deadline;
if (rc->data.registered.optional_payload) {
op->op = GRPC_OP_RECV_MESSAGE;
op->data.recv_message = rc->data.registered.optional_payload;
op++;
}
break;
default:
GPR_UNREACHABLE_CODE(return );
}
GRPC_CALL_INTERNAL_REF(calld->call, "server");
grpc_call_start_batch_and_execute(exec_ctx, calld->call, ops,
(size_t)(op - ops), &rc->publish);
}
static void publish_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
call_data *calld, size_t cq_idx, requested_call *rc) {
grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
grpc_call *call = calld->call;
*rc->call = call;
calld->cq_new = server->cqs[cq_idx];
GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
switch (rc->type) {
case BATCH_CALL:
GPR_ASSERT(calld->host != NULL);
GPR_ASSERT(calld->path != NULL);
cpstr(&rc->data.batch.details->host,
&rc->data.batch.details->host_capacity, calld->host);
cpstr(&rc->data.batch.details->method,
&rc->data.batch.details->method_capacity, calld->path);
rc->data.batch.details->deadline = calld->deadline;
rc->data.batch.details->flags =
0 | (calld->recv_idempotent_request
? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
: 0);
break;
case REGISTERED_CALL:
*rc->data.registered.deadline = calld->deadline;
if (rc->data.registered.optional_payload) {
*rc->data.registered.optional_payload = calld->payload;
}
break;
default:
GPR_UNREACHABLE_CODE(return );
}
grpc_call_element *elem =
grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
channel_data *chand = elem->channel_data;
server_ref(chand->server);
grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, GRPC_ERROR_NONE,
done_request_event, rc, &rc->completion);
}
