1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PORTALLOCATOR_H_
#define _PORTALLOCATOR_H_
#include "talk/base/sigslot.h"
#include "talk/p2p/base/port.h"
#include <string>
#undef SetPort
namespace cricket {
// PortAllocator is responsible for allocating Port types for a given
// P2PSocket. It also handles port freeing.
//
// Clients can override this class to control port allocation, including
// what kinds of ports are allocated.
class PortAllocatorSession : public sigslot::has_slots<> {
public:
// Prepares an initial set of ports to try.
virtual void GetInitialPorts() = 0;
// Starts and stops the flow of additional ports to try.
virtual void StartGetAllPorts() = 0;
virtual void StopGetAllPorts() = 0;
virtual bool IsGettingAllPorts() = 0;
sigslot::signal2<PortAllocatorSession*, Port*> SignalPortReady;
sigslot::signal2<PortAllocatorSession*, const std::vector<Candidate>&> SignalCandidatesReady;
uint32 generation() { return generation_; }
void set_generation(uint32 generation) { generation_ = generation; }
private:
uint32 generation_;
};
const uint32 PORTALLOCATOR_DISABLE_UDP = 0x01;
const uint32 PORTALLOCATOR_DISABLE_STUN = 0x02;
const uint32 PORTALLOCATOR_DISABLE_RELAY = 0x04;
const uint32 PORTALLOCATOR_DISABLE_TCP = 0x08;
const uint32 PORTALLOCATOR_ENABLE_SHAKER = 0x10;
const uint32 kDefaultPortAllocatorFlags = 0;
class PortAllocator {
public:
PortAllocator() : flags_(kDefaultPortAllocatorFlags) {}
virtual PortAllocatorSession *CreateSession(const std::string &name) = 0;
uint32 flags() const { return flags_; }
void set_flags(uint32 flags) { flags_ = flags; }
const ProxyInfo& proxy() const { return proxy_; }
void set_proxy(const ProxyInfo& proxy) { proxy_ = proxy; }
protected:
uint32 flags_;
ProxyInfo proxy_;
};
} // namespace cricket
#endif // _PORTALLOCATOR_H_
|
