initial commit

2025-09-01 20:47:58 +08:00
commit 12c51b5ddb
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+//
+// SocketAddressImpl.h
+//
+// Library: Net
+// Package: NetCore
+// Module:  SocketAddressImpl
+//
+// Definition of the SocketAddressImpl class.
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Net_SocketAddressImpl_INCLUDED
+#define Net_SocketAddressImpl_INCLUDED
+
+
+#include "Poco/Net/Net.h"
+#include "Poco/Net/SocketDefs.h"
+#include "Poco/Net/IPAddress.h"
+#include "Poco/RefCountedObject.h"
+
+
+namespace Poco {
+namespace Net {
+namespace Impl {
+
+
+class Net_API SocketAddressImpl : public Poco::RefCountedObject
+{
+public:
+	typedef AddressFamily::Family Family;
+
+	virtual ~SocketAddressImpl();
+
+	virtual IPAddress host() const = 0;
+	virtual UInt16 port() const = 0;
+	virtual poco_socklen_t length() const = 0;
+	virtual const struct sockaddr* addr() const = 0;
+	virtual int af() const = 0;
+	virtual Family family() const = 0;
+	virtual std::string toString() const = 0;
+
+protected:
+	SocketAddressImpl();
+
+private:
+	SocketAddressImpl(const SocketAddressImpl&);
+	SocketAddressImpl& operator = (const SocketAddressImpl&);
+};
+
+
+class Net_API IPv4SocketAddressImpl: public SocketAddressImpl
+{
+public:
+	IPv4SocketAddressImpl();
+	IPv4SocketAddressImpl(const struct sockaddr_in* addr);
+	IPv4SocketAddressImpl(const void* addr, UInt16 port);
+	IPAddress host() const;
+	UInt16 port() const;
+	poco_socklen_t length() const;
+	const struct sockaddr* addr() const;
+	int af() const;
+	Family family() const;
+	std::string toString() const;
+
+private:
+	struct sockaddr_in _addr;
+};
+
+
+//
+// inlines
+//
+
+inline IPAddress IPv4SocketAddressImpl::host() const
+{
+	return IPAddress(&_addr.sin_addr, sizeof(_addr.sin_addr));
+}
+
+
+inline UInt16 IPv4SocketAddressImpl::port() const
+{
+	return _addr.sin_port;
+}
+
+
+inline poco_socklen_t IPv4SocketAddressImpl::length() const
+{
+	return sizeof(_addr);
+}
+
+
+inline const struct sockaddr* IPv4SocketAddressImpl::addr() const
+{
+	return reinterpret_cast<const struct sockaddr*>(&_addr);
+}
+
+
+inline int IPv4SocketAddressImpl::af() const
+{
+	return _addr.sin_family;
+}
+
+
+inline SocketAddressImpl::Family IPv4SocketAddressImpl::family() const
+{
+	return AddressFamily::IPv4;
+}
+
+
+#if defined(POCO_HAVE_IPv6)
+
+
+class Net_API IPv6SocketAddressImpl: public SocketAddressImpl
+{
+public:
+	IPv6SocketAddressImpl(const struct sockaddr_in6* addr);
+	IPv6SocketAddressImpl(const void* addr, UInt16 port);
+	IPv6SocketAddressImpl(const void* addr, UInt16 port, UInt32 scope);
+	IPAddress host() const;
+	UInt16 port() const;
+	poco_socklen_t length() const;
+	const struct sockaddr* addr() const;
+	int af() const;
+	Family family() const;
+	std::string toString() const;
+
+private:
+	struct sockaddr_in6 _addr;
+};
+
+
+//
+// inlines
+//
+
+inline IPAddress IPv6SocketAddressImpl::host() const
+{
+	return IPAddress(&_addr.sin6_addr, sizeof(_addr.sin6_addr), _addr.sin6_scope_id);
+}
+
+
+inline UInt16 IPv6SocketAddressImpl::port() const
+{
+	return _addr.sin6_port;
+}
+
+
+inline poco_socklen_t IPv6SocketAddressImpl::length() const
+{
+	return sizeof(_addr);
+}
+
+
+inline const struct sockaddr* IPv6SocketAddressImpl::addr() const
+{
+	return reinterpret_cast<const struct sockaddr*>(&_addr);
+}
+
+
+inline int IPv6SocketAddressImpl::af() const
+{
+	return _addr.sin6_family;
+}
+
+
+inline SocketAddressImpl::Family IPv6SocketAddressImpl::family() const
+{
+	return AddressFamily::IPv6;
+}
+
+
+#endif // POCO_HAVE_IPv6
+
+
+#if defined(POCO_OS_FAMILY_UNIX)
+
+
+class Net_API LocalSocketAddressImpl: public SocketAddressImpl
+{
+public:
+	LocalSocketAddressImpl(const struct sockaddr_un* addr);
+	LocalSocketAddressImpl(const char* path);
+	LocalSocketAddressImpl(const char* path, std::size_t length);
+	~LocalSocketAddressImpl();
+	IPAddress host() const;
+	UInt16 port() const;
+	poco_socklen_t length() const;
+	const struct sockaddr* addr() const;
+	int af() const;
+	Family family() const;
+	const char* path() const;
+	std::string toString() const;
+
+private:
+	struct sockaddr_un* _pAddr;
+		// Note: We allocate struct sockaddr_un on the heap, otherwise we would
+		// waste a lot of memory due to small object optimization in SocketAddress.
+};
+
+
+//
+// inlines
+//
+
+inline IPAddress LocalSocketAddressImpl::host() const
+{
+	throw Poco::InvalidAccessException("local socket address does not have host IP address");
+}
+
+
+inline UInt16 LocalSocketAddressImpl::port() const
+{
+	throw Poco::InvalidAccessException("local socket address does not have port number");
+}
+
+
+inline poco_socklen_t LocalSocketAddressImpl::length() const
+{
+	return sizeof(struct sockaddr_un);
+}
+
+
+inline const struct sockaddr* LocalSocketAddressImpl::addr() const
+{
+	return reinterpret_cast<const struct sockaddr*>(_pAddr);
+}
+
+
+inline int LocalSocketAddressImpl::af() const
+{
+	return _pAddr->sun_family;
+}
+
+
+inline SocketAddressImpl::Family LocalSocketAddressImpl::family() const
+{
+	return AddressFamily::UNIX_LOCAL;
+}
+
+
+inline const char* LocalSocketAddressImpl::path() const
+{
+	return _pAddr->sun_path;
+}
+
+
+#endif // POCO_OS_FAMILY_UNIX
+
+
+} } } // namespace Poco::Net::Impl
+
+
+#endif // Net_SocketAddressImpl_INCLUDED