Nagram/TMessagesProj/jni/voip/libtgvoip/os/posix/NetworkSocketPosix.h
2020-09-30 16:48:47 +03:00

78 lines
2.4 KiB
C++

//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_NETWORKSOCKETPOSIX_H
#define LIBTGVOIP_NETWORKSOCKETPOSIX_H
#include "../../NetworkSocket.h"
#include "../../Buffers.h"
#include <vector>
#include <sys/select.h>
#include <pthread.h>
namespace tgvoip {
class SocketSelectCancellerPosix : public SocketSelectCanceller{
friend class NetworkSocketPosix;
public:
SocketSelectCancellerPosix();
virtual ~SocketSelectCancellerPosix();
virtual void CancelSelect();
private:
int pipeRead;
int pipeWrite;
};
class NetworkSocketPosix : public NetworkSocket{
public:
NetworkSocketPosix(NetworkProtocol protocol);
virtual ~NetworkSocketPosix();
virtual void Send(NetworkPacket* packet) override;
virtual void Receive(NetworkPacket* packet) override;
virtual void Open() override;
virtual void Close() override;
virtual void Connect(const NetworkAddress* address, uint16_t port) override;
virtual std::string GetLocalInterfaceInfo(IPv4Address* v4addr, IPv6Address* v6addr) override;
virtual void OnActiveInterfaceChanged() override;
virtual uint16_t GetLocalPort() override;
static std::string V4AddressToString(uint32_t address);
static std::string V6AddressToString(const unsigned char address[16]);
static uint32_t StringToV4Address(std::string address);
static void StringToV6Address(std::string address, unsigned char* out);
static IPv4Address* ResolveDomainName(std::string name);
static bool Select(std::vector<NetworkSocket*>& readFds, std::vector<NetworkSocket*>& writeFds, std::vector<NetworkSocket*>& errorFds, SocketSelectCanceller* canceller);
virtual NetworkAddress *GetConnectedAddress() override;
virtual uint16_t GetConnectedPort() override;
virtual void SetTimeouts(int sendTimeout, int recvTimeout) override;
virtual bool OnReadyToSend() override;
protected:
virtual void SetMaxPriority() override;
private:
static int GetDescriptorFromSocket(NetworkSocket* socket);
int fd;
bool needUpdateNat64Prefix;
bool nat64Present;
double switchToV6at;
bool isV4Available;
bool useTCP;
bool closing;
IPv4Address lastRecvdV4;
IPv6Address lastRecvdV6;
NetworkAddress* tcpConnectedAddress;
uint16_t tcpConnectedPort;
Buffer* pendingOutgoingPacket=NULL;
};
}
#endif //LIBTGVOIP_NETWORKSOCKETPOSIX_H