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84 lines
2.7 KiB
84 lines
2.7 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unordered_map>
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#include "l2cap/cid.h"
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#include "l2cap/classic/internal/link.h"
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#include "l2cap/classic/security_policy.h"
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#include "l2cap/internal/dynamic_channel_impl.h"
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#include "l2cap/internal/sender.h"
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#include "l2cap/psm.h"
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#include "os/handler.h"
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#include "os/log.h"
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namespace bluetooth {
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namespace l2cap {
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namespace internal {
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DynamicChannelImpl::DynamicChannelImpl(Psm psm, Cid cid, Cid remote_cid, l2cap::internal::ILink* link,
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os::Handler* l2cap_handler)
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: psm_(psm), cid_(cid), remote_cid_(remote_cid), link_(link), l2cap_handler_(l2cap_handler),
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device_(link->GetDevice()) {
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ASSERT(cid_ > 0);
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ASSERT(remote_cid_ > 0);
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ASSERT(link_ != nullptr);
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ASSERT(l2cap_handler_ != nullptr);
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}
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hci::AddressWithType DynamicChannelImpl::GetDevice() const {
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return device_;
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}
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void DynamicChannelImpl::RegisterOnCloseCallback(DynamicChannel::OnCloseCallback on_close_callback) {
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ASSERT_LOG(on_close_callback_.IsEmpty(), "OnCloseCallback can only be registered once");
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// If channel is already closed, call the callback immediately without saving it
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if (closed_) {
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on_close_callback.Invoke(close_reason_);
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return;
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}
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on_close_callback_ = std::move(on_close_callback);
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}
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void DynamicChannelImpl::Close() {
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if (link_ == nullptr) {
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LOG_ERROR("Channel is already closed");
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return;
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}
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link_->SendDisconnectionRequest(cid_, remote_cid_);
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}
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void DynamicChannelImpl::OnClosed(hci::ErrorCode status) {
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ASSERT_LOG(!closed_, "Device %s Cid 0x%x closed twice, old status 0x%x, new status 0x%x", device_.ToString().c_str(),
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cid_, static_cast<int>(close_reason_), static_cast<int>(status));
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closed_ = true;
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close_reason_ = status;
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link_ = nullptr;
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l2cap_handler_ = nullptr;
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on_close_callback_.InvokeIfNotEmpty(close_reason_);
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on_close_callback_ = {};
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}
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std::string DynamicChannelImpl::ToString() {
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std::ostringstream ss;
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ss << "Device " << device_ << "Psm 0x" << std::hex << psm_ << " Cid 0x" << std::hex << cid_;
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return ss.str();
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}
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} // namespace internal
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} // namespace l2cap
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} // namespace bluetooth
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