ReadResponse ReadFile(const string &path, size_t size, off_t offset) {
ReadRequest request;
request.set_path(path);
request.set_size(size);
request.set_offset(offset);
ReadResponse response;
ClientContext context;
Status status = stub_->ReadFile(&context, request, &response);
if (status.ok()) {
return response;
}
// TODO: Do someting on failure here
return response;
}
status_t
Inode::WaitForReadRequest(ReadRequest& request)
{
// add the entry to wait on
thread_prepare_to_block(thread_get_current_thread(), B_CAN_INTERRUPT,
THREAD_BLOCK_TYPE_OTHER, "fifo read request");
request.SetNotified(false);
// wait
mutex_unlock(&fRequestLock);
status_t status = thread_block();
// Before going to lock again, we need to make sure no one tries to
// unblock us. Otherwise that would screw with mutex_lock().
request.SetNotified(true);
mutex_lock(&fRequestLock);
return status;
}
ReadRequest
MessageUtils::create_read_request(const vfs::Object& obj,
const uint64_t size,
const uint64_t offset)
{
ReadRequest msg;
msg.set_object_id(obj.id.str());
msg.set_object_type(static_cast<uint32_t>(obj.type));
msg.set_size(size);
msg.set_offset(offset);
msg.CheckInitialized();
return msg;
}
