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/** @file
ProtocolProbeSessionAccept
@section license License
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#pragma once
#include "I_SessionAccept.h"
struct ProtocolProbeSessionAcceptEnums {
/// Enumeration for related groups of protocols.
/// There is a child acceptor for each group which
/// handles finer grained stuff.
enum ProtoGroupKey {
PROTO_HTTP, ///< HTTP group (0.9-1.1)
PROTO_HTTP2, ///< HTTP 2 group
N_PROTO_GROUPS ///< Size value.
};
};
class ProtocolProbeSessionAccept : public SessionAccept, public ProtocolProbeSessionAcceptEnums
{
public:
ProtocolProbeSessionAccept() : SessionAccept(nullptr)
{
memset(endpoint, 0, sizeof(endpoint));
SET_HANDLER(&ProtocolProbeSessionAccept::mainEvent);
}
~ProtocolProbeSessionAccept() override {}
void registerEndpoint(ProtoGroupKey key, SessionAccept *ap);
bool accept(NetVConnection *, MIOBuffer *, IOBufferReader *) override;
// noncopyable
ProtocolProbeSessionAccept(const ProtocolProbeSessionAccept &) = delete; // disabled
ProtocolProbeSessionAccept &operator=(const ProtocolProbeSessionAccept &) = delete; // disabled
IpMap *proxy_protocol_ipmap = nullptr;
private:
int mainEvent(int event, void *netvc) override;
/** Child acceptors, index by @c ProtoGroupKey
We pass on the actual accept to one of these after doing protocol sniffing.
We make it one larger and leave the last entry NULL so we don't have to
do range checks on the enum value.
*/
SessionAccept *endpoint[N_PROTO_GROUPS + 1];
friend struct ProtocolProbeTrampoline;
};
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