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added Socket::bindToIfce()

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This commit is contained in:
hyung-hwan 2018-10-18 23:29:20 +00:00
parent d3ed032636
commit d533112788
2 changed files with 79 additions and 23 deletions
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25
qse/include/qse/si/Socket.hpp
View File

@ -83,6 +83,11 @@ public:
// bind to the ip address of the interface
int bindToIfceAddr (const qse_wchar_t* ifce, qse_uint16_t port) QSE_CPP_NOEXCEPT;
// bind to the interface device
int bindToIfce (const qse_mchar_t* ifce) QSE_CPP_NOEXCEPT;
// bind to the interface device
int bindToIfce (const qse_wchar_t* ifce) QSE_CPP_NOEXCEPT;
int listen (int backlog = 128) QSE_CPP_NOEXCEPT;
int accept (Socket* newsck, SocketAddress* newaddr, int traits = 0) QSE_CPP_NOEXCEPT;
@ -102,24 +107,24 @@ public:
qse_ssize_t receive (void* buf, qse_size_t len, SocketAddress& srcaddr) QSE_CPP_NOEXCEPT;
/* TODO: sendmsg, recvmsg */
int joinMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr);
int leaveMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr);
int joinMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr) QSE_CPP_NOEXCEPT;
int leaveMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr) QSE_CPP_NOEXCEPT;
// utility functions to retrieve network configuration information.
int getIfceIndex (const qse_mchar_t* name);
int getIfceIndex (const qse_wchar_t* name);
int getIfceIndex (const qse_mchar_t* name) QSE_CPP_NOEXCEPT;
int getIfceIndex (const qse_wchar_t* name) QSE_CPP_NOEXCEPT;
// the following 6 functions are provided for backward compatibility.
// it is limited to a single address and they may suffer race condition.
// for example, you call getIfceAddress() followed by getIfceNetmask().
// the network configuration information may change in between.
// the address/netmask pair may not be the valid fixed combination.
int getIfceAddress (const qse_mchar_t* name, SocketAddress* addr);
int getIfceAddress (const qse_wchar_t* name, SocketAddress* addr);
int getIfceNetmask (const qse_mchar_t* name, SocketAddress* addr);
int getIfceNetmask (const qse_wchar_t* name, SocketAddress* addr);
int getIfceBroadcast (const qse_mchar_t* name, SocketAddress* addr);
int getIfceBroadcast (const qse_wchar_t* name, SocketAddress* addr);
int getIfceAddress (const qse_mchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT;
int getIfceAddress (const qse_wchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT;
int getIfceNetmask (const qse_mchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT;
int getIfceNetmask (const qse_wchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT;
int getIfceBroadcast (const qse_mchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT;
int getIfceBroadcast (const qse_wchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT;
protected:
qse_sck_hnd_t handle;

77
qse/lib/si/Socket.cpp
View File

@ -322,6 +322,57 @@ int Socket::bindToIfceAddr (const qse_wchar_t* ifce, qse_uint16_t port) QSE_CPP_
return this->bind(addr);
}
int Socket::bindToIfce (const qse_mchar_t* ifce) QSE_CPP_NOEXCEPT
{
#if defined(SO_BINDTODEVICE)
if (!ifce)
{
return this->setOption (SOL_SOCKET, SO_BINDTODEVICE, QSE_NULL, 0);
}
else
{
struct ifreq ifr;
QSE_MEMSET (&ifr, 0, QSE_SIZEOF(ifr));
qse_size_t mlen = qse_mbsxcpy (ifr.ifr_name, QSE_COUNTOF(ifr.ifr_name), ifce);
if (ifce[mlen] != QSE_MT('\0'))
{
this->setErrorCode (E_EINVAL);
return -1;
}
return this->setOption (SOL_SOCKET, SO_BINDTODEVICE, (char*)&ifr, QSE_SIZEOF(ifr));
}
#else
this->setErrorCode (E_ENOIMPL);
return -1;
#endif
}
int Socket::bindToIfce (const qse_wchar_t* ifce) QSE_CPP_NOEXCEPT
{
#if defined(SO_BINDTODEVICE)
if (!ifce)
{
return this->setOption (SOL_SOCKET, SO_BINDTODEVICE, QSE_NULL, 0);
}
else
{
struct ifreq ifr;
QSE_MEMSET (&ifr, 0, QSE_SIZEOF(ifr));
qse_size_t wlen, mlen = QSE_COUNTOF(ifr.ifr_name);
if (qse_wcstombs(ifce, &wlen, ifr.ifr_name, &mlen) <= -1 || ifce[wlen] != QSE_WT('\0'))
{
this->setErrorCode (E_EINVAL);
return -1;
}
return this->setOption (SOL_SOCKET, SO_BINDTODEVICE, (char*)&ifr, QSE_SIZEOF(ifr));
}
#else
this->setErrorCode (E_ENOIMPL);
return -1;
#endif
}
int Socket::listen (int backlog) QSE_CPP_NOEXCEPT
{
QSE_ASSERT (this->handle != QSE_INVALID_SCKHND);
@ -605,7 +656,7 @@ qse_ssize_t Socket::receive (void* buf, qse_size_t len, SocketAddress& srcaddr)
return n;
}
int Socket::joinMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr)
int Socket::joinMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr) QSE_CPP_NOEXCEPT
{
int family = mcaddr.getFamily(); // ((struct sockaddr*)mcaddr.getAddrPtr())->sa_family
@ -647,7 +698,7 @@ int Socket::joinMulticastGroup (const SocketAddress& mcaddr, const SocketAddress
return -1;
}
int Socket::leaveMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr)
int Socket::leaveMulticastGroup (const SocketAddress& mcaddr, const SocketAddress& ifaddr) QSE_CPP_NOEXCEPT
{
int family = mcaddr.getFamily(); // ((struct sockaddr*)mcaddr.getAddrPtr())->sa_family
@ -688,7 +739,7 @@ int Socket::leaveMulticastGroup (const SocketAddress& mcaddr, const SocketAddres
return -1;
}
int Socket::getIfceIndex (const qse_mchar_t* name)
int Socket::getIfceIndex (const qse_mchar_t* name) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFINDEX)
struct ifreq ifr;
@ -718,7 +769,7 @@ int Socket::getIfceIndex (const qse_mchar_t* name)
#endif
}
int Socket::getIfceIndex (const qse_wchar_t* name)
int Socket::getIfceIndex (const qse_wchar_t* name) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFINDEX)
struct ifreq ifr;
@ -749,7 +800,7 @@ int Socket::getIfceIndex (const qse_wchar_t* name)
#endif
}
int Socket::getIfceAddress (const qse_mchar_t* name, SocketAddress* addr)
int Socket::getIfceAddress (const qse_mchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFADDR)
return this->get_ifce_address(SIOCGIFADDR, name, false, addr);
@ -759,7 +810,7 @@ int Socket::getIfceAddress (const qse_mchar_t* name, SocketAddress* addr)
#endif
}
int Socket::getIfceAddress (const qse_wchar_t* name, SocketAddress* addr)
int Socket::getIfceAddress (const qse_wchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFADDR)
return this->get_ifce_address(SIOCGIFADDR, name, true, addr);
@ -769,7 +820,7 @@ int Socket::getIfceAddress (const qse_wchar_t* name, SocketAddress* addr)
#endif
}
int Socket::getIfceNetmask(const qse_mchar_t* name, SocketAddress* addr)
int Socket::getIfceNetmask(const qse_mchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFNETMASK)
return this->get_ifce_address(SIOCGIFNETMASK, name, false, addr);
@ -779,7 +830,7 @@ int Socket::getIfceNetmask(const qse_mchar_t* name, SocketAddress* addr)
#endif
}
int Socket::getIfceNetmask (const qse_wchar_t* name, SocketAddress* addr)
int Socket::getIfceNetmask (const qse_wchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFNETMASK)
return this->get_ifce_address(SIOCGIFNETMASK, name, true, addr);
@ -789,7 +840,7 @@ int Socket::getIfceNetmask (const qse_wchar_t* name, SocketAddress* addr)
#endif
}
int Socket::getIfceBroadcast(const qse_mchar_t* name, SocketAddress* addr)
int Socket::getIfceBroadcast(const qse_mchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFBRDADDR)
return this->get_ifce_address(SIOCGIFBRDADDR, name, false, addr);
@ -799,7 +850,7 @@ int Socket::getIfceBroadcast(const qse_mchar_t* name, SocketAddress* addr)
#endif
}
int Socket::getIfceBroadcast (const qse_wchar_t* name, SocketAddress* addr)
int Socket::getIfceBroadcast (const qse_wchar_t* name, SocketAddress* addr) QSE_CPP_NOEXCEPT
{
#if defined(SIOCGIFBRDADDR)
return this->get_ifce_address(SIOCGIFBRDADDR, name, true, addr);
@ -826,7 +877,7 @@ int Socket::get_ifce_address (int cmd, const void* name, bool wchar, SocketAddre
}
else
{
qse_size_t mlen = qse_mbsxcpy (ifr.ifr_name, QSE_COUNTOF(ifr.ifr_name), (const qse_mchar_t*)name);
qse_size_t mlen = qse_mbsxcpy(ifr.ifr_name, QSE_COUNTOF(ifr.ifr_name), (const qse_mchar_t*)name);
if (((const qse_mchar_t*)name)[mlen] != QSE_MT('\0'))
{
this->setErrorCode (E_EINVAL);
@ -840,7 +891,7 @@ int Socket::get_ifce_address (int cmd, const void* name, bool wchar, SocketAddre
{
for (struct ifaddrs* ife = ifa; ife; ife = ife->ifa_next)
{
if (qse_mbscmp (ifr.ifr_name, ife->ifa_name) != 0) continue;
if (qse_mbscmp(ifr.ifr_name, ife->ifa_name) != 0) continue;
struct sockaddr* sa = QSE_NULL;
@ -874,7 +925,7 @@ int Socket::get_ifce_address (int cmd, const void* name, bool wchar, SocketAddre
}
#endif
if (::ioctl (this->handle, cmd, &ifr) == -1)
if (::ioctl(this->handle, cmd, &ifr) == -1)
{
this->setErrorCode (syserr_to_errnum(errno));
return -1;