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Listener.h
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1/*
2 * Copyright (C) 2004-2025 ZNC, see the NOTICE file for details.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ZNC_LISTENER_H
18#define ZNC_LISTENER_H
19
20#include <znc/zncconfig.h>
21#include <znc/Socket.h>
22
23// Forward Declarations
24class CRealListener;
25class CConfig;
26// !Forward Declarations
27
28class CListener {
29 public:
31
32 CListener(const CString& sURIPrefix, bool bSSL, EAcceptType eAccept)
33 : m_bSSL(bSSL),
34 m_sURIPrefix(sURIPrefix),
35 m_pListener(nullptr),
36 m_eAcceptType(eAccept) {}
37
38 virtual ~CListener();
39
40 CListener(const CListener&) = delete;
41 CListener& operator=(const CListener&) = delete;
42
43 // Getters
44 bool IsSSL() const { return m_bSSL; }
46 const CString& GetURIPrefix() const { return m_sURIPrefix; }
48 // !Getters
49
50 // It doesn't make sense to change any of the settings after Listen()
51 // except this one, so don't add other setters!
52 void SetAcceptType(EAcceptType eType) { m_eAcceptType = eType; }
53
54 virtual bool Listen() = 0;
56 virtual CConfig ToConfig() const;
57
58 private:
59 protected:
60 void SetupSSL() const;
61
62 bool m_bSSL;
66};
67
68class CTCPListener : public CListener {
69 public:
70 CTCPListener(unsigned short uPort, const CString& sBindHost,
71 const CString& sURIPrefix, bool bSSL, EAddrType eAddr,
72 EAcceptType eAccept)
73 : CListener(sURIPrefix, bSSL, eAccept),
74 m_eAddr(eAddr),
75 m_uPort(uPort),
76 m_sBindHost(sBindHost) {}
78
79 CTCPListener(const CTCPListener&) = delete;
81
82 // Getters
83 EAddrType GetAddrType() const { return m_eAddr; }
84 unsigned short GetPort() const { return m_uPort; }
85 const CString& GetBindHost() const { return m_sBindHost; }
86 // !Getters
87
88 bool Listen() override;
89 CConfig ToConfig() const override;
90
91 protected:
93 unsigned short m_uPort;
95};
96
97class CUnixListener : public CListener {
98 public:
99 CUnixListener(const CString& sPath, const CString& sURIPrefix, bool bSSL,
100 EAcceptType eAccept, const CString& sGid, const CString& sMode);
102
103 CUnixListener(const CUnixListener&) = delete;
105
106 // Getters
107 const CString& GetPath() const { return m_sPath; }
108 const CString& GetGroup() const { return m_sGid; }
110 // !Getters
111
112 bool Listen() override;
113 CConfig ToConfig() const override;
114
115 protected:
119};
120
121class CRealListener : public CZNCSock {
122 public:
123 CRealListener(CListener& listener) : CZNCSock(), m_Listener(listener) {}
124 virtual ~CRealListener();
125
126 bool ConnectionFrom(const CString& sHost, unsigned short uPort) override;
127 Csock* GetSockObj(const CString& sHost, unsigned short uPort) override;
128 void SockError(int iErrno, const CString& sDescription) override;
129
130 private:
131 CListener& m_Listener;
132};
133
135 public:
136 CIncomingConnection(const CString& sHostname, unsigned short uPort,
137 CListener::EAcceptType eAcceptType,
138 const CString& sURIPrefix);
140 void ReadLine(const CString& sData) override;
141 void ReachedMaxBuffer() override;
142
143 private:
144 CListener::EAcceptType m_eAcceptType;
145 const CString m_sURIPrefix;
146};
147
148#endif // !ZNC_LISTENER_H
EAddrType
Definition Socket.h:77
Definition Config.h:36
Definition Listener.h:134
virtual ~CIncomingConnection()
Definition Listener.h:139
CIncomingConnection(const CString &sHostname, unsigned short uPort, CListener::EAcceptType eAcceptType, const CString &sURIPrefix)
void ReadLine(const CString &sData) override
void ReachedMaxBuffer() override
This WARNING event is called when your buffer for readline exceeds the warning threshold and triggers...
Definition Listener.h:28
CString m_sURIPrefix
Definition Listener.h:63
void SetupSSL() const
EAcceptType
Definition Listener.h:30
@ ACCEPT_ALL
Definition Listener.h:30
@ ACCEPT_HTTP
Definition Listener.h:30
@ ACCEPT_IRC
Definition Listener.h:30
virtual bool Listen()=0
EAcceptType m_eAcceptType
Definition Listener.h:65
CRealListener * m_pListener
Definition Listener.h:64
virtual CConfig ToConfig() const
const CString & GetURIPrefix() const
Definition Listener.h:46
EAcceptType GetAcceptType() const
Definition Listener.h:47
void SetAcceptType(EAcceptType eType)
Definition Listener.h:52
void ResetRealListener()
virtual ~CListener()
CRealListener * GetRealListener() const
Definition Listener.h:45
CListener(const CListener &)=delete
bool m_bSSL
Definition Listener.h:62
CListener & operator=(const CListener &)=delete
CListener(const CString &sURIPrefix, bool bSSL, EAcceptType eAccept)
Definition Listener.h:32
bool IsSSL() const
Definition Listener.h:44
Definition Listener.h:121
bool ConnectionFrom(const CString &sHost, unsigned short uPort) override
Csock * GetSockObj(const CString &sHost, unsigned short uPort) override
virtual ~CRealListener()
CRealListener(CListener &listener)
Definition Listener.h:123
void SockError(int iErrno, const CString &sDescription) override
String class that is used inside ZNC.
Definition ZNCString.h:50
Definition Listener.h:68
EAddrType GetAddrType() const
Definition Listener.h:83
EAddrType m_eAddr
Definition Listener.h:92
unsigned short GetPort() const
Definition Listener.h:84
CTCPListener(unsigned short uPort, const CString &sBindHost, const CString &sURIPrefix, bool bSSL, EAddrType eAddr, EAcceptType eAccept)
Definition Listener.h:70
CTCPListener(const CTCPListener &)=delete
const CString & GetBindHost() const
Definition Listener.h:85
unsigned short m_uPort
Definition Listener.h:93
CConfig ToConfig() const override
bool Listen() override
CString m_sBindHost
Definition Listener.h:94
CTCPListener & operator=(const CTCPListener &)=delete
Definition Listener.h:97
CString m_sGid
Definition Listener.h:117
const CString & GetPath() const
Definition Listener.h:107
CUnixListener(const CUnixListener &)=delete
CConfig ToConfig() const override
CUnixListener(const CString &sPath, const CString &sURIPrefix, bool bSSL, EAcceptType eAccept, const CString &sGid, const CString &sMode)
int m_iMode
Definition Listener.h:118
CUnixListener & operator=(const CUnixListener &)=delete
const CString & GetGroup() const
Definition Listener.h:108
CString GetMode() const
bool Listen() override
CString m_sPath
Definition Listener.h:116
Definition Socket.h:27
Basic socket class.
Definition Csocket.h:564