xref: /aosp_15_r20/external/openscreen/osp/public/endpoint_request_ids.cc (revision 3f982cf4871df8771c9d4abe6e9a6f8d829b2736)
1*3f982cf4SFabien Sanglard // Copyright 2019 The Chromium Authors. All rights reserved.
2*3f982cf4SFabien Sanglard // Use of this source code is governed by a BSD-style license that can be
3*3f982cf4SFabien Sanglard // found in the LICENSE file.
4*3f982cf4SFabien Sanglard 
5*3f982cf4SFabien Sanglard #include "osp/public/endpoint_request_ids.h"
6*3f982cf4SFabien Sanglard 
7*3f982cf4SFabien Sanglard namespace openscreen {
8*3f982cf4SFabien Sanglard namespace osp {
9*3f982cf4SFabien Sanglard 
EndpointRequestIds(Role role)10*3f982cf4SFabien Sanglard EndpointRequestIds::EndpointRequestIds(Role role) : role_(role) {}
11*3f982cf4SFabien Sanglard EndpointRequestIds::~EndpointRequestIds() = default;
12*3f982cf4SFabien Sanglard 
GetNextRequestId(uint64_t endpoint_id)13*3f982cf4SFabien Sanglard uint64_t EndpointRequestIds::GetNextRequestId(uint64_t endpoint_id) {
14*3f982cf4SFabien Sanglard   uint64_t& next_request_id = request_ids_by_endpoint_id_[endpoint_id];
15*3f982cf4SFabien Sanglard   uint64_t request_id = next_request_id + (role_ == Role::kServer);
16*3f982cf4SFabien Sanglard   next_request_id += 2;
17*3f982cf4SFabien Sanglard   return request_id;
18*3f982cf4SFabien Sanglard }
19*3f982cf4SFabien Sanglard 
ResetRequestId(uint64_t endpoint_id)20*3f982cf4SFabien Sanglard void EndpointRequestIds::ResetRequestId(uint64_t endpoint_id) {
21*3f982cf4SFabien Sanglard   // TODO(crbug.com/openscreen/42): Consider using a timeout to drop the request
22*3f982cf4SFabien Sanglard   // id counter, and/or possibly set the initial value as part of the handshake.
23*3f982cf4SFabien Sanglard   request_ids_by_endpoint_id_.erase(endpoint_id);
24*3f982cf4SFabien Sanglard }
25*3f982cf4SFabien Sanglard 
Reset()26*3f982cf4SFabien Sanglard void EndpointRequestIds::Reset() {
27*3f982cf4SFabien Sanglard   request_ids_by_endpoint_id_.clear();
28*3f982cf4SFabien Sanglard }
29*3f982cf4SFabien Sanglard 
30*3f982cf4SFabien Sanglard }  // namespace osp
31*3f982cf4SFabien Sanglard }  // namespace openscreen
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