/* Called either:
- in response to an API call (or similar) from above, to send something
- a network event (or similar) from below, to receive something
op contains type and call direction information, in addition to the data
that is being sent or received. */
static void compress_start_transport_stream_op(grpc_call_element *elem,
grpc_transport_stream_op *op) {
if (op->send_ops && op->send_ops->nops > 0) {
process_send_ops(elem, op->send_ops);
}
/* pass control down the stack */
grpc_call_next_op(elem, op);
}
/* Constructor for call_data */
static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
const void *server_transport_data,
grpc_transport_stream_op *initial_op) {
/* grab pointers to our data from the call element */
call_data *calld = elem->call_data;
/* initialize members */
gpr_slice_buffer_init(&calld->slices);
calld->has_compression_algorithm = 0;
calld->written_initial_metadata = 0; /* GPR_FALSE */
if (initial_op) {
if (initial_op->send_ops && initial_op->send_ops->nops > 0) {
process_send_ops(elem, initial_op->send_ops);
}
}
}
