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Update GSock

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This commit is contained in:
Kirigaya Kazuto 2018-05-05 15:37:50 +08:00
parent eb2337ae22
commit 6aebdca0bc
2 changed files with 156 additions and 213 deletions
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290
gsock.cpp
View File

@ -71,121 +71,90 @@ public:
}
} _init_winsock2_2_obj;
struct sock::_impl
struct vsock::_impl
{
int sfd;
sockaddr_in saddr;
bool created;
int sfd;
bool created;
};
sock::sock() : _pp(new _impl)
vsock::vsock() : _vp(new _impl)
{
myliblog("sock::sock() %p", this);
_pp->created=false;
_vp->created=false;
}
//private
sock::sock(int SocketValue) : _pp(new _impl)
vsock::vsock(vsock&& v)
{
myliblog("sock::sock(int) %p\n",this);
_pp->created=true;
_pp->sfd=SocketValue;
_vp=v._vp;
v._vp=nullptr;
}
sock::sock(sock&& tmp)
vsock& vsock::operator = (vsock&& v)
{
myliblog("sock::sock(sock&&) %p <- %p \n",this,&tmp);
_pp=tmp._pp;
tmp._pp=nullptr;
this->~vsock();
_vp=v._vp;
v._vp=nullptr;
return *this;
}
sock& sock::operator = (sock&& tmp)
vsock::~vsock()
{
myliblog("sock::operator = (sock&&) %p <= %p\n",this,&tmp);
if(_pp)
{
if(_pp->created)
{
myliblog("Socket closed: [%d] in %p\n",_pp->sfd,this);
closesocket(_pp->sfd);
}
delete _pp;
}
_pp=tmp._pp;
tmp._pp=nullptr;
return *this;
}
sock::~sock()
{
myliblog("sock::~sock() %p\n",this);
if(_pp)
{
if(_pp->created)
{
myliblog("Socket closed: [%d] in %p\n",_pp->sfd,this);
closesocket(_pp->sfd);
}
delete _pp;
}
if(_vp)
{
if(_vp->created)
{
myliblog("Socket closed: [%d] in %p\n",_vp->sfd,this);
closesocket(_vp->sfd);
_vp->created=false;
}
delete _vp;
_vp=nullptr;
}
}
int sock::connect(const std::string& IPStr,int Port)
{
myliblog("sock::connect() %p\n",this);
if(_pp->created)
if(_vp->created)
{
return -2;
}
_pp->sfd=socket(AF_INET,SOCK_STREAM,0);
if(_pp->sfd<0)
_vp->sfd=socket(AF_INET,SOCK_STREAM,0);
if(_vp->sfd<0)
{
myliblog("socket() returns %d. WSAGetLastError: %d\n",_pp->sfd,WSAGetLastError());
myliblog("socket() returns %d. WSAGetLastError: %d\n",_vp->sfd,WSAGetLastError());
return -3;
}
myliblog("Socket created: [%d] in %p\n",_pp->sfd,this);
_pp->created=true;
// refs
int& sfd=_pp->sfd;
sockaddr_in& saddr=_pp->saddr;
_vp->created=true;
struct sockaddr_in saddr;
memset(&saddr,0,sizeof(saddr));
saddr.sin_addr.s_addr=inet_addr(IPStr.c_str());
saddr.sin_port=htons(Port);
saddr.sin_family=AF_INET;
return ::connect(sfd,(sockaddr*)&saddr,sizeof(saddr));
return ::connect(_vp->sfd,(sockaddr*)&saddr,sizeof(saddr));
}
int sock::send(const void* Buffer,int Length)
{
return ::send(_pp->sfd,(const char*)Buffer,Length,0);
return ::send(_vp->sfd,(const char*)Buffer,Length,0);
}
int sock::recv(void* Buffer,int MaxToRecv)
{
return ::recv(_pp->sfd,(char*)Buffer,MaxToRecv,0);
return ::recv(_vp->sfd,(char*)Buffer,MaxToRecv,0);
}
int sock::getsendtime(int& _out_Second, int& _out_uSecond)
{
// refs
int& sfd=_pp->sfd;
struct timeval outtime;
socklen_t _not_used_t;
int ret=getsockopt(sfd,SOL_SOCKET,SO_SNDTIMEO,(char*)&outtime,&_not_used_t);
int ret=getsockopt(_vp->sfd,SOL_SOCKET,SO_SNDTIMEO,(char*)&outtime,&_not_used_t);
if(ret<0) return ret;
/// We don't know why, but on Windows, 1 Second means 1000.
#ifdef _WIN32
@ -201,12 +170,9 @@ int sock::getsendtime(int& _out_Second, int& _out_uSecond)
int sock::getrecvtime(int& _out_Second, int& _out_uSecond)
{
// refs
int& sfd=_pp->sfd;
struct timeval outtime;
socklen_t _not_used_t;
int ret=getsockopt(sfd,SOL_SOCKET,SO_RCVTIMEO,(char*)&outtime,&_not_used_t);
int ret=getsockopt(_vp->sfd,SOL_SOCKET,SO_RCVTIMEO,(char*)&outtime,&_not_used_t);
if(ret<0) return ret;
/// We don't know why, but on Windows, 1 Second means 1000.
#ifdef _WIN32
@ -222,9 +188,6 @@ int sock::getrecvtime(int& _out_Second, int& _out_uSecond)
int sock::setsendtime(int Second)
{
// refs
int& sfd=_pp->sfd;
struct timeval outtime;
/// We don't know why, but on Windows, 1 Second means 1000.
#ifdef _WIN32
@ -235,14 +198,11 @@ int sock::setsendtime(int Second)
outtime.tv_usec=0;
#endif
return setsockopt(sfd,SOL_SOCKET,SO_SNDTIMEO,(const char*)&outtime,sizeof(outtime));
return setsockopt(_vp->sfd,SOL_SOCKET,SO_SNDTIMEO,(const char*)&outtime,sizeof(outtime));
}
int sock::setrecvtime(int Second)
{
// refs
int& sfd=_pp->sfd;
struct timeval outtime;
/// We don't know why, but on Windows, 1 Second means 1000.
#ifdef _WIN32
@ -253,7 +213,7 @@ int sock::setrecvtime(int Second)
outtime.tv_usec=0;
#endif
return setsockopt(sfd,SOL_SOCKET,SO_RCVTIMEO,(const char*)&outtime,sizeof(outtime));
return setsockopt(_vp->sfd,SOL_SOCKET,SO_RCVTIMEO,(const char*)&outtime,sizeof(outtime));
}
//forgive me, but writing code in hospital is really not a good experience.
@ -273,108 +233,72 @@ static int _sock_getname_call(int sfd,std::string& ip,int& port,_sock_getname_ca
int sock::getlocal(std::string& IPStr,int& Port)
{
if(!(_pp->created))
if(!(_vp->created))
{
return -2;
}
return _sock_getname_call(_pp->sfd,IPStr,Port,getsockname);
return _sock_getname_call(_vp->sfd,IPStr,Port,getsockname);
}
int sock::getpeer(std::string& IPStr,int& Port)
{
if(!(_pp->created))
if(!(_vp->created))
{
return -2;
}
return _sock_getname_call(_pp->sfd,IPStr,Port,getpeername);
}
struct serversock::_impl
{
int sfd;
sockaddr_in saddr;
bool created;
};
serversock::serversock() : _pp(new _impl)
{
myliblog("serversock::serversock() %p\n",this);
_pp->created=false;
}
serversock::~serversock()
{
myliblog("serversock::~serversock() %p\n",this);
if(_pp)
{
if(_pp->created)
{
myliblog("Server-Socket closed: [%d] in %p\n",_pp->sfd,this);
closesocket(_pp->sfd);
}
delete _pp;
}
return _sock_getname_call(_vp->sfd,IPStr,Port,getpeername);
}
int serversock::bind(int Port)
{
myliblog("serversock::bind() %p\n",this);
if(_pp->created)
if(_vp->created)
{
return -2;
}
_pp->sfd=socket(AF_INET,SOCK_STREAM,0);
if(_pp->sfd<0)
_vp->sfd=socket(AF_INET,SOCK_STREAM,0);
if(_vp->sfd<0)
{
myliblog("socket() returns %d. WSAGetLastError: %d\n",_pp->sfd,WSAGetLastError());
myliblog("socket() returns %d. WSAGetLastError: %d\n",_vp->sfd,WSAGetLastError());
return -3;
}
myliblog("Socket created: [%d] in %p\n",_pp->sfd,this);
_pp->created=true;
// refs
int& sfd=_pp->sfd;
sockaddr_in& saddr=_pp->saddr;
myliblog("Socket created: [%d] in %p\n",_vp->sfd,this);
_vp->created=true;
sockaddr_in saddr;
memset(&saddr,0,sizeof(saddr));
saddr.sin_addr.s_addr=INADDR_ANY;
saddr.sin_port=htons(Port);
saddr.sin_family=AF_INET;
return ::bind(sfd,(sockaddr*)&saddr,sizeof(saddr));
return ::bind(_vp->sfd,(sockaddr*)&saddr,sizeof(saddr));
}
int serversock::set_reuse()
{
// refs
int& sfd=_pp->sfd;
int opt=1;
return setsockopt(sfd,SOL_SOCKET,SO_REUSEADDR,(const char*)&opt,sizeof(opt));
socklen_t opt=1;
return setsockopt(_vp->sfd,SOL_SOCKET,SO_REUSEADDR,(const char*)&opt,sizeof(opt));
}
int serversock::listen(int MaxCount)
{
// refs
int& sfd=_pp->sfd;
return ::listen(sfd,MaxCount);
return ::listen(_vp->sfd,MaxCount);
}
int serversock::accept(sock& _out_s)
{
if(_out_s._pp->created)
if(_out_s._vp->created)
{
/// _out_s has been connected.
return -2;
}
sock s;
socklen_t tmp=sizeof(s._pp->saddr);
int ret=::accept(_pp->sfd,(sockaddr*)&(s._pp->saddr),&tmp);
sock s; /// empty socket.
sockaddr_in saddr;
socklen_t saddrsz=sizeof(saddr);
int ret=::accept(_vp->sfd,(sockaddr*)&(saddr),&saddrsz);
if(ret<0)
{
/// accept() call failed.
@ -383,10 +307,10 @@ int serversock::accept(sock& _out_s)
}
else
{
s._pp->sfd=ret;
s._pp->created=true;
s._vp->sfd=ret;
s._vp->created=true;
myliblog("Socket opened: [%d] in %p by serversock %p\n",s._pp->sfd,&s,this);
myliblog("Socket opened: [%d] in %p by serversock %p\n",s._vp->sfd,&s,this);
/// Move resource.
_out_s=std::move(s);
@ -394,42 +318,38 @@ int serversock::accept(sock& _out_s)
}
}
struct udpsock::_impl
udpsock::udpsock()
{
int sfd;
int lastErr;
};
udpsock::udpsock() : _pp(new _impl)
{
_pp->sfd = socket(AF_INET, SOCK_DGRAM, 0);
_pp->lastErr = 0;
_vp->sfd = socket(AF_INET, SOCK_DGRAM, 0);
_vp->created = true;
}
udpsock::udpsock(udpsock&& x)
int udpsock::connect(const std::string& IPStr,int Port)
{
_pp = x._pp;
x._pp = nullptr;
sockaddr_in saddr;
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_port = htons(Port);
saddr.sin_addr.s_addr = inet_addr(IPStr.c_str());
return ::connect(_vp->sfd,(const sockaddr*)&saddr,sizeof(saddr));
}
udpsock& udpsock::operator=(udpsock&& x)
int udpsock::broadcast_at(int Port)
{
if (_pp)
{
// Clean up itself.
this->~udpsock();
}
_pp = x._pp;
x._pp = nullptr;
return *this;
sockaddr_in saddr;
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_port = htons(Port);
saddr.sin_addr.s_addr = INADDR_BROADCAST;
return ::connect(_vp->sfd,(const sockaddr*)&saddr,sizeof(saddr));
}
udpsock::~udpsock()
int udpsock::set_broadcast()
{
closesocket(_pp->sfd);
delete _pp;
socklen_t opt=1;
return ::setsockopt(_vp->sfd,SOL_SOCKET,SO_BROADCAST,(const char*)&opt,sizeof(opt));
}
int udpsock::bind(int Port)
@ -439,7 +359,7 @@ int udpsock::bind(int Port)
saddr.sin_family = AF_INET;
saddr.sin_port = htons(Port);
saddr.sin_addr.s_addr = INADDR_ANY;
return ::bind(_pp->sfd, (const sockaddr*)&saddr, sizeof(saddr));
return ::bind(_vp->sfd, (const sockaddr*)&saddr, sizeof(saddr));
}
int udpsock::sendto(const std::string& IPStr, int Port, const void* buffer, int length)
@ -449,31 +369,43 @@ int udpsock::sendto(const std::string& IPStr, int Port, const void* buffer, int
saddr.sin_family = AF_INET;
saddr.sin_port = htons(Port);
saddr.sin_addr.s_addr = inet_addr(IPStr.c_str());
return ::sendto(_pp->sfd, (const char*)buffer, length, 0, (const sockaddr*)&saddr, sizeof(saddr));
return ::sendto(_vp->sfd, (const char*)buffer, length, 0, (const sockaddr*)&saddr, sizeof(saddr));
}
int udpsock::recvfrom(std::string& fromIP, void* buffer, int bufferLength)
int udpsock::broadcast(int Port,const void* buffer,int length)
{
sockaddr_in saddr;
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_port = htons(Port);
saddr.sin_addr.s_addr = INADDR_BROADCAST;
return ::sendto(_vp->sfd, (const char*)buffer, length, 0, (const sockaddr*)&saddr, sizeof(saddr));
}
int udpsock::recvfrom(std::string& fromIP, int& fromPort, void* buffer, int bufferLength)
{
sockaddr_in saddr;
socklen_t saddrlen = sizeof(saddr);
int ret = ::recvfrom(_pp->sfd, (char*)buffer, bufferLength, 0, (sockaddr*)&saddr, &saddrlen);
int ret = ::recvfrom(_vp->sfd, (char*)buffer, bufferLength, 0, (sockaddr*)&saddr, &saddrlen);
if (ret < 0)
{
#ifdef _WIN32
_pp->lastErr = WSAGetLastError();
#else
_pp->lastErr = errno;
#endif
return ret; /// don't bother errno.
}
fromIP = inet_ntoa(saddr.sin_addr);
fromPort = ntohs(saddr.sin_port);
return ret;
}
int udpsock::getlasterror()
int udpsock::send(const void* buffer,int length)
{
return _pp->lastErr;
return ::send(_vp->sfd,(const char*)buffer,length,0);
}
int udpsock::recv(void* buffer,int bufferLength)
{
return ::recv(_vp->sfd,(char*)buffer,bufferLength,0);
}
int DNSResolve(const std::string& HostName, std::string& _out_IPStr)

79
gsock.h
View File

@ -9,16 +9,25 @@
#include <cstdint>
#include <string>
class sock
class vsock
{
protected:
vsock();
vsock(const vsock&)=delete;
vsock& operator = (const vsock&)=delete;
vsock(vsock&&);
vsock& operator = (vsock&&);
~vsock();
vsock(int);
struct _impl;
_impl* _vp;
};
class sock : public vsock
{
public:
sock();
sock(const sock&)=delete;
sock& operator = (const sock&)=delete;
sock(sock&&);
sock& operator = (sock&&);
~sock();
/// Return:
/// 0: Connection Established. No Error.
/// -1: connect() call error. See errno.
@ -49,25 +58,13 @@ public:
/// -2: Socket not created.
int getlocal(std::string& IPStr,int& Port);
int getpeer(std::string& IPStr,int& Port);
private:
sock(int);
friend class serversock;
struct _impl;
_impl* _pp;
};
class serversock
class serversock : public vsock
{
public:
serversock();
serversock(const serversock&)=delete;
serversock& operator = (const serversock&) =delete;
serversock(serversock&&)=delete;
serversock& operator = (serversock&&) =delete;
~serversock();
/// Return:
/// 0: Bind Succeed. No Error.
/// -1: bind() call error. See errno.
@ -86,30 +83,44 @@ public:
/// -1: accept() call error. See errno.
/// -2: _out_s is a connected socket, which should not be passed in.
int accept(sock& _out_s);
private:
struct _impl;
_impl* _pp;
};
class udpsock
class udpsock : public vsock
{
public:
udpsock();
udpsock(const udpsock&) = delete;
udpsock& operator = (const udpsock&) = delete;
udpsock(udpsock&&);
udpsock& operator = (udpsock&&);
~udpsock();
/// Use udp socket as tcp socket. (but of course it is not).
/// connect call just copy the target socket data to kernel. See connect() for more info.
int connect(const std::string& IPStr,int Port);
int broadcast_at(int Port);
/// Must be called in broadcast mode.
int set_broadcast();
/// Explict bind() call is only need when you have to receive data.
int bind(int Port);
int sendto(const std::string& IPStr, int Port, const void* buffer, int length);
int broadcast(int Port,const void* buffer,int length);
/// Must call bind() before calling recvfrom().
int recvfrom(std::string& fromIP, void* buffer, int bufferLength);
int recvfrom(std::string& fromIP, int& fromPort, void* buffer, int bufferLength);
int getlasterror();
/// send() and recv() should only be called after connect(). Or it will fail.
int send(const void* buffer,int length);
int recv(void* buffer,int bufferLength);
};
/// Select
class selector
{
public:
selector();
void clear();
void add_read(const vsock&);
void add_write(const vsock&);
void add_error(const vsock&);
int select(int);
private:
struct _impl;
_impl* _pp;