static int need_more_data(grpc_call *call) {
return is_op_live(call, GRPC_IOREQ_RECV_INITIAL_METADATA) ||
(is_op_live(call, GRPC_IOREQ_RECV_MESSAGE) && grpc_bbq_empty(&call->incoming_queue)) ||
is_op_live(call, GRPC_IOREQ_RECV_TRAILING_METADATA) ||
is_op_live(call, GRPC_IOREQ_RECV_STATUS) ||
is_op_live(call, GRPC_IOREQ_RECV_STATUS_DETAILS) ||
(is_op_live(call, GRPC_IOREQ_RECV_CLOSE) &&
grpc_bbq_empty(&call->incoming_queue)) ||
(call->write_state == WRITE_STATE_INITIAL && !call->is_client &&
call->read_state < READ_STATE_GOT_INITIAL_METADATA);
}
void grpc_call_internal_unref(grpc_call *c, const char *reason,
int allow_immediate_deletion) {
gpr_log(GPR_DEBUG, "CALL: unref %p %d -> %d [%s]", c,
c->internal_refcount.count, c->internal_refcount.count - 1, reason);
#else
void grpc_call_internal_unref(grpc_call *c, int allow_immediate_deletion) {
#endif
if (gpr_unref(&c->internal_refcount)) {
if (allow_immediate_deletion) {
destroy_call(c, 1);
} else {
grpc_iomgr_add_callback(destroy_call, c);
}
}
}
static void set_status_code(grpc_call *call, status_source source,
gpr_uint32 status) {
call->status[source].is_set = 1;
call->status[source].code = status;
if (status != GRPC_STATUS_OK && !grpc_bbq_empty(&call->incoming_queue)) {
grpc_bbq_flush(&call->incoming_queue);
}
}
static void finish_read_ops(grpc_call *call) {
int empty;
if (is_op_live(call, GRPC_IOREQ_RECV_MESSAGE)) {
empty =
(NULL == (*call->request_data[GRPC_IOREQ_RECV_MESSAGE].recv_message =
grpc_bbq_pop(&call->incoming_queue)));
if (!empty) {
finish_live_ioreq_op(call, GRPC_IOREQ_RECV_MESSAGE, GRPC_OP_OK);
empty = grpc_bbq_empty(&call->incoming_queue);
}
} else {
empty = grpc_bbq_empty(&call->incoming_queue);
}
switch (call->read_state) {
case READ_STATE_STREAM_CLOSED:
if (empty) {
finish_ioreq_op(call, GRPC_IOREQ_RECV_CLOSE, GRPC_OP_OK);
}
/* fallthrough */
case READ_STATE_READ_CLOSED:
if (empty) {
finish_ioreq_op(call, GRPC_IOREQ_RECV_MESSAGE, GRPC_OP_OK);
}
finish_ioreq_op(call, GRPC_IOREQ_RECV_STATUS, GRPC_OP_OK);
finish_ioreq_op(call, GRPC_IOREQ_RECV_STATUS_DETAILS, GRPC_OP_OK);
finish_ioreq_op(call, GRPC_IOREQ_RECV_TRAILING_METADATA, GRPC_OP_OK);
/* fallthrough */
case READ_STATE_GOT_INITIAL_METADATA:
finish_ioreq_op(call, GRPC_IOREQ_RECV_INITIAL_METADATA, GRPC_OP_OK);
/* fallthrough */
case READ_STATE_INITIAL:
/* do nothing */
break;
}
}
static void set_status_code(grpc_call *call, status_source source,
gpr_uint32 status) {
int flush;
call->status[source].is_set = 1;
call->status[source].code = status;
if (call->is_client) {
flush = status == GRPC_STATUS_CANCELLED;
} else {
flush = status != GRPC_STATUS_OK;
}
if (flush && !grpc_bbq_empty(&call->incoming_queue)) {
grpc_bbq_flush(&call->incoming_queue);
}
}
