replaced unweildy GAddress functions with wxSockAddressImpl class, similarly to GSocket -> wxSocketImpl transition; share more code between IPv4 and IPv6 branches
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57635 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
294
include/wx/private/sckaddr.h
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294
include/wx/private/sckaddr.h
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@@ -0,0 +1,294 @@
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/private/sockaddr.h
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// Purpose: wxSockAddressImpl
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// Author: Vadim Zeitlin
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// Created: 2008-12-28
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// RCS-ID: $Id$
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_PRIVATE_SOCKADDR_H_
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#define _WX_PRIVATE_SOCKADDR_H_
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#ifdef __WXMSW__
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#include "wx/msw/wrapwin.h"
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#elif defined(__VMS__)
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#include <socket.h>
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struct sockaddr_un
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{
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u_char sun_len; /* sockaddr len including null */
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u_char sun_family; /* AF_UNIX */
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char sun_path[108]; /* path name (gag) */
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};
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#else // generic Unix
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <sys/un.h>
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#endif // platform
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#include <stdlib.h> // for calloc()
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// this is a wrapper for sockaddr_storage if it's available or just sockaddr
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// otherwise
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union wxSockAddressStorage
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{
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#if wxUSE_IPV6
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sockaddr_storage addr_storage;
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#endif
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sockaddr addr;
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};
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// ----------------------------------------------------------------------------
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// helpers for wxSockAddressImpl
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// ----------------------------------------------------------------------------
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// helper class mapping sockaddr_xxx types to corresponding AF_XXX values
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//
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// FIXME-VC6: we could leave the template undefined if not for VC6 which
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// absolutely does need to have a generic version defining the
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// template "interface" to compile the code below
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template <class T> struct AddressFamily { enum { value = AF_UNSPEC }; };
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template <> struct AddressFamily<sockaddr_in> { enum { value = AF_INET }; };
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#if wxUSE_IPV6
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template <> struct AddressFamily<sockaddr_in6> { enum { value = AF_INET6 }; };
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#endif // wxUSE_IPV6
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#ifdef wxHAS_UNIX_DOMAIN_SOCKETS
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template <> struct AddressFamily<sockaddr_un> { enum { value = AF_UNIX }; };
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#endif // wxHAS_UNIX_DOMAIN_SOCKETS
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// ----------------------------------------------------------------------------
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// wxSockAddressImpl
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// ----------------------------------------------------------------------------
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// Represents a socket endpoint, e.g. an (address, port) pair for PF_INET
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// sockets. It can be initialized from an existing sockaddr struct and also
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// provides access to sockaddr stored internally so that it can be easily used
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// with e.g. connect(2).
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//
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// This class also performs (synchronous, hence potentially long) name lookups
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// if necessary, i.e. if the host name strings don't contain addresses in
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// numerical form (quad dotted for IPv4 or standard hexadecimal for IPv6).
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// Notice that internally the potentially Unicode host names are encoded as
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// UTF-8 before being passed to the lookup function but the host names should
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// really be ASCII anyhow.
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class wxSockAddressImpl
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{
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public:
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// as this is passed to socket() it should be a PF_XXX and not AF_XXX (even
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// though they're the same in practice)
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enum Family
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{
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FAMILY_INET = PF_INET,
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#if wxUSE_IPV6
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FAMILY_INET6 = PF_INET6,
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#endif
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#ifdef wxHAS_UNIX_DOMAIN_SOCKETS
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FAMILY_UNIX = PF_UNIX,
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#endif
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FAMILY_UNSPEC = PF_UNSPEC
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};
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// default ctor creates uninitialized object, use one of CreateXXX() below
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wxSockAddressImpl()
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{
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InitUnspec();
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}
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// ctor from an existing sockaddr
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wxSockAddressImpl(const sockaddr& addr, int len)
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{
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switch ( addr.sa_family )
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{
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case PF_INET:
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#if wxUSE_IPV6
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case PF_INET6:
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#endif
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#ifdef wxHAS_UNIX_DOMAIN_SOCKETS
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case PF_UNIX:
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#endif
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m_family = static_cast<Family>(addr.sa_family);
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break;
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default:
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wxFAIL_MSG( "unsupported socket address family" );
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InitUnspec();
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return;
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}
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InitFromSockaddr(addr, len);
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}
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// copy ctor and assignment operators
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wxSockAddressImpl(const wxSockAddressImpl& other)
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{
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InitFromOther(other);
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}
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wxSockAddressImpl& operator=(const wxSockAddressImpl& other)
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{
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free(m_addr);
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InitFromOther(other);
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return *this;
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}
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// dtor frees the memory used by m_addr
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~wxSockAddressImpl()
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{
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free(m_addr);
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}
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// reset the address to the initial uninitialized state
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void Clear()
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{
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free(m_addr);
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InitUnspec();
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}
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// initialize the address to be of specific address family, it must be
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// currently uninitialized (you may call Clear() to achieve this)
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void CreateINET();
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void CreateINET6();
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#ifdef wxHAS_UNIX_DOMAIN_SOCKETS
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void CreateUnix();
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#endif // wxHAS_UNIX_DOMAIN_SOCKETS
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// simple accessors
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Family GetFamily() const { return m_family; }
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bool Is(Family family) const { return m_family == family; }
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bool IsOk() const { return m_family != FAMILY_UNSPEC; }
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const sockaddr *GetAddr() const { return m_addr; }
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sockaddr *GetWritableAddr() { return m_addr; }
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int GetLen() const { return m_len; }
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// accessors for INET or INET6 address families
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#if wxUSE_IPV6
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#define CALL_IPV4_OR_6(func, args) \
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Is(FAMILY_INET6) ? func##6(args) : func##4(args)
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#define CALL_IPV4_OR_6_VOID(func) \
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Is(FAMILY_INET6) ? func##6() : func##4()
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#else
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#define CALL_IPV4_OR_6(func, args) func##4(args)
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#define CALL_IPV4_OR_6_VOID(func) func##4()
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#endif // IPv6 support on/off
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wxString GetHostName() const;
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bool SetHostName(const wxString& name)
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{
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return CALL_IPV4_OR_6(SetHostName, (name));
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}
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wxUint16 GetPort() const { return CALL_IPV4_OR_6_VOID(GetPort); }
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bool SetPort(wxUint16 port) { return CALL_IPV4_OR_6(SetPort, (port)); }
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bool SetPortName(const wxString& name, const char *protocol);
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bool SetToAnyAddress() { return CALL_IPV4_OR_6_VOID(SetToAnyAddress); }
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#undef CALL_IPV4_OR_6
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// accessors for INET addresses only
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bool GetHostAddress(wxUint32 *address) const;
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bool SetHostAddress(wxUint32 address);
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bool SetToBroadcastAddress() { return SetHostAddress(INADDR_BROADCAST); }
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// accessors for INET6 addresses only
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#if wxUSE_IPV6
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bool GetHostAddress(in6_addr *address) const;
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bool SetHostAddress(const in6_addr& address);
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#endif // wxUSE_IPV6
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#ifdef wxHAS_UNIX_DOMAIN_SOCKETS
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// methods valid for Unix address family addresses only
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bool SetPath(const wxString& path);
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wxString GetPath() const;
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#endif // wxHAS_UNIX_DOMAIN_SOCKETS
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private:
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void DoAlloc(int len)
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{
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m_addr = static_cast<sockaddr *>(calloc(1, len));
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m_len = len;
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}
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// FIXME-VC6: VC6 doesn't grok Foo<T>() call syntax so we need the extra
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// dummy parameter of type T, use the macros in sckaddr.cpp to
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// hide it
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template <class T>
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T *Alloc(T *)
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{
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DoAlloc(sizeof(T));
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return reinterpret_cast<T *>(m_addr);
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}
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template <class T>
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T *Get(T *) const
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{
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wxCHECK_MSG( static_cast<int>(m_family) == AddressFamily<T>::value,
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NULL,
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"socket address family mismatch" );
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return reinterpret_cast<T *>(m_addr);
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}
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void InitUnspec()
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{
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m_family = FAMILY_UNSPEC;
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m_addr = NULL;
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m_len = 0;
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}
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void InitFromSockaddr(const sockaddr& addr, int len)
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{
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DoAlloc(len);
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memcpy(m_addr, &addr, len);
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}
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void InitFromOther(const wxSockAddressImpl& other)
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{
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m_family = other.m_family;
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if ( other.m_addr )
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{
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InitFromSockaddr(*other.m_addr, other.m_len);
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}
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else // no address to copy
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{
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m_addr = NULL;
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m_len = 0;
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}
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}
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// IPv4/6 implementations of public functions
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bool SetHostName4(const wxString& name);
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bool SetPort4(wxUint16 port);
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wxUint16 GetPort4() const;
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bool SetToAnyAddress4() { return SetHostAddress(INADDR_ANY); }
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#if wxUSE_IPV6
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bool SetHostName6(const wxString& name);
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bool SetPort6(wxUint16 port);
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wxUint16 GetPort6() const;
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bool SetToAnyAddress6();
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#endif // wxUSE_IPV6
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Family m_family;
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sockaddr *m_addr;
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int m_len;
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};
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#endif // _WX_PRIVATE_SOCKADDR_H_
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@@ -42,6 +42,7 @@
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#if wxUSE_SOCKETS
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#include "wx/socket.h"
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#include "wx/private/sckaddr.h"
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#include <stddef.h>
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@@ -90,23 +91,8 @@
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#define SOCKET_ERROR (-1)
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#endif
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#if wxUSE_IPV6
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typedef struct sockaddr_storage wxSockAddr;
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#else
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typedef struct sockaddr wxSockAddr;
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#endif
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enum GAddressType
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{
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wxSOCKET_NOFAMILY = 0,
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wxSOCKET_INET,
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wxSOCKET_INET6,
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wxSOCKET_UNIX
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};
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typedef int wxSocketEventFlags;
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struct GAddress;
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class wxSocketImpl;
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/*
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@@ -200,16 +186,16 @@ public:
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m_initialSendBufferSize = send;
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}
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wxSocketError SetLocal(GAddress *address);
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wxSocketError SetPeer(GAddress *address);
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wxSocketError SetLocal(const wxSockAddressImpl& address);
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wxSocketError SetPeer(const wxSockAddressImpl& address);
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// accessors
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// ---------
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bool IsServer() const { return m_server; }
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GAddress *GetLocal();
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GAddress *GetPeer();
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const wxSockAddressImpl& GetLocal(); // non const as may update m_local
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const wxSockAddressImpl& GetPeer() const { return m_peer; }
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wxSocketError GetError() const { return m_error; }
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bool IsOk() const { return m_error == wxSOCKET_NOERROR; }
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@@ -303,8 +289,8 @@ public:
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int m_initialRecvBufferSize;
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int m_initialSendBufferSize;
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GAddress *m_local;
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GAddress *m_peer;
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wxSockAddressImpl m_local,
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m_peer;
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wxSocketError m_error;
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bool m_stream;
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@@ -332,7 +318,7 @@ private:
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// check that the socket wasn't created yet and that the given address
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// (either m_local or m_peer depending on the socket kind) is valid and
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// set m_error and return false if this is not the case
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bool PreCreateCheck(GAddress *addr);
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bool PreCreateCheck(const wxSockAddressImpl& addr);
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// set the given socket option: this just wraps setsockopt(SOL_SOCKET)
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int SetSocketOption(int optname, int optval)
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@@ -378,79 +364,6 @@ private:
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#include "wx/unix/private/sockunix.h"
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#endif
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/* GAddress */
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// TODO: make GAddress a real class instead of this mix of C and C++
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// Represents a socket endpoint, i.e. -- in spite of its name -- not an address
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// but an (address, port) pair
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struct GAddress
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{
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struct sockaddr *m_addr;
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size_t m_len;
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GAddressType m_family;
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int m_realfamily;
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wxSocketError m_error;
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};
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GAddress *GAddress_new();
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GAddress *GAddress_copy(GAddress *address);
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void GAddress_destroy(GAddress *address);
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void GAddress_SetFamily(GAddress *address, GAddressType type);
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GAddressType GAddress_GetFamily(GAddress *address);
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/* The use of any of the next functions will set the address family to
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* the specific one. For example if you use GAddress_INET_SetHostName,
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* address family will be implicitly set to AF_INET.
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*/
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wxSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname);
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wxSocketError GAddress_INET_SetBroadcastAddress(GAddress *address);
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wxSocketError GAddress_INET_SetAnyAddress(GAddress *address);
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wxSocketError GAddress_INET_SetHostAddress(GAddress *address,
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unsigned long hostaddr);
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wxSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
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const char *protocol);
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wxSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port);
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wxSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname,
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size_t sbuf);
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unsigned long GAddress_INET_GetHostAddress(GAddress *address);
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unsigned short GAddress_INET_GetPort(GAddress *address);
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wxSocketError _GAddress_translate_from(GAddress *address,
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struct sockaddr *addr, int len);
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wxSocketError _GAddress_translate_to (GAddress *address,
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struct sockaddr **addr, int *len);
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wxSocketError _GAddress_Init_INET(GAddress *address);
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#if wxUSE_IPV6
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wxSocketError GAddress_INET6_SetHostName(GAddress *address, const char *hostname);
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wxSocketError GAddress_INET6_SetAnyAddress(GAddress *address);
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wxSocketError GAddress_INET6_SetHostAddress(GAddress *address,
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struct in6_addr hostaddr);
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wxSocketError GAddress_INET6_SetPortName(GAddress *address, const char *port,
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const char *protocol);
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wxSocketError GAddress_INET6_SetPort(GAddress *address, unsigned short port);
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wxSocketError GAddress_INET6_GetHostName(GAddress *address, char *hostname,
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size_t sbuf);
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wxSocketError GAddress_INET6_GetHostAddress(GAddress *address,struct in6_addr *hostaddr);
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unsigned short GAddress_INET6_GetPort(GAddress *address);
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#endif // wxUSE_IPV6
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// these functions are available under all platforms but only implemented under
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// Unix ones, elsewhere they just return wxSOCKET_INVADDR
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wxSocketError _GAddress_Init_UNIX(GAddress *address);
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wxSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path);
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wxSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf);
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#endif /* wxUSE_SOCKETS */
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#endif /* _WX_PRIVATE_SOCKET_H_ */
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|
@@ -18,18 +18,19 @@
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#include "wx/string.h"
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struct GAddress;
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class wxSockAddressImpl;
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// Any socket address kind
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class WXDLLIMPEXP_NET wxSockAddress : public wxObject
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{
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public:
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enum
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enum Family
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{
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IPV4 = 1,
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IPV6 = 2,
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UNIX = 3
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} Addr;
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NONE,
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IPV4,
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IPV6,
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UNIX
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};
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wxSockAddress();
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wxSockAddress(const wxSockAddress& other);
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@@ -38,7 +39,7 @@ public:
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wxSockAddress& operator=(const wxSockAddress& other);
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virtual void Clear();
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virtual int Type() = 0;
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virtual Family Type() = 0;
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||||
|
||||
// we need to be able to create copies of the addresses polymorphically
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||||
// (i.e. without knowing the exact address class)
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||||
@@ -46,11 +47,11 @@ public:
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||||
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||||
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||||
// implementation only, don't use
|
||||
GAddress *GetAddress() const { return m_address; }
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||||
void SetAddress(GAddress *address);
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||||
const wxSockAddressImpl& GetAddress() const { return *m_impl; }
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||||
void SetAddress(const wxSockAddressImpl& address);
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||||
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||||
protected:
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||||
GAddress *m_address;
|
||||
wxSockAddressImpl *m_impl;
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||||
|
||||
private:
|
||||
void Init();
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||||
@@ -61,24 +62,47 @@ private:
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||||
class WXDLLIMPEXP_NET wxIPaddress : public wxSockAddress
|
||||
{
|
||||
public:
|
||||
wxIPaddress();
|
||||
wxIPaddress(const wxIPaddress& other);
|
||||
virtual ~wxIPaddress();
|
||||
wxIPaddress() : wxSockAddress() { }
|
||||
wxIPaddress(const wxIPaddress& other)
|
||||
: wxSockAddress(other),
|
||||
m_origHostname(other.m_origHostname)
|
||||
{
|
||||
}
|
||||
|
||||
virtual bool Hostname(const wxString& name) = 0;
|
||||
virtual bool Service(const wxString& name) = 0;
|
||||
virtual bool Service(unsigned short port) = 0;
|
||||
bool operator==(const wxIPaddress& addr) const;
|
||||
|
||||
virtual bool LocalHost() = 0;
|
||||
bool Hostname(const wxString& name);
|
||||
bool Service(const wxString& name);
|
||||
bool Service(unsigned short port);
|
||||
|
||||
bool LocalHost();
|
||||
virtual bool IsLocalHost() const = 0;
|
||||
|
||||
virtual bool AnyAddress() = 0;
|
||||
virtual bool BroadcastAddress() = 0;
|
||||
bool AnyAddress();
|
||||
|
||||
virtual wxString IPAddress() const = 0;
|
||||
|
||||
virtual wxString Hostname() const = 0;
|
||||
virtual unsigned short Service() const = 0;
|
||||
wxString Hostname() const;
|
||||
unsigned short Service() const;
|
||||
|
||||
wxString OrigHostname() const { return m_origHostname; }
|
||||
|
||||
protected:
|
||||
// get m_impl initialized to the right family if it hadn't been done yet
|
||||
wxSockAddressImpl& GetImpl();
|
||||
const wxSockAddressImpl& GetImpl() const
|
||||
{
|
||||
return const_cast<wxIPaddress *>(this)->GetImpl();
|
||||
}
|
||||
|
||||
// host name originally passed to Hostname()
|
||||
wxString m_origHostname;
|
||||
|
||||
private:
|
||||
// create the wxSockAddressImpl object of the correct family if it's
|
||||
// currently uninitialized
|
||||
virtual void DoInitImpl() = 0;
|
||||
|
||||
|
||||
DECLARE_ABSTRACT_CLASS(wxIPaddress)
|
||||
};
|
||||
@@ -87,47 +111,29 @@ public:
|
||||
class WXDLLIMPEXP_NET wxIPV4address : public wxIPaddress
|
||||
{
|
||||
public:
|
||||
wxIPV4address();
|
||||
wxIPV4address(const wxIPV4address& other);
|
||||
virtual ~wxIPV4address();
|
||||
|
||||
bool operator==(const wxIPV4address& addr) const;
|
||||
wxIPV4address() : wxIPaddress() { }
|
||||
wxIPV4address(const wxIPV4address& other) : wxIPaddress(other) { }
|
||||
|
||||
// implement wxSockAddress pure virtuals:
|
||||
virtual int Type() { return wxSockAddress::IPV4; }
|
||||
virtual wxSockAddress *Clone() const;
|
||||
virtual Family Type() { return IPV4; }
|
||||
virtual wxSockAddress *Clone() const { return new wxIPV4address(*this); }
|
||||
|
||||
|
||||
// implement wxIPaddress pure virtuals:
|
||||
|
||||
// handles the usual dotted quad format too
|
||||
virtual bool Hostname(const wxString& name);
|
||||
virtual bool Service(const wxString& name);
|
||||
virtual bool Service(unsigned short port);
|
||||
|
||||
// localhost (127.0.0.1)
|
||||
virtual bool LocalHost();
|
||||
virtual bool IsLocalHost() const;
|
||||
|
||||
// any (0.0.0.0)
|
||||
virtual bool AnyAddress();
|
||||
// all (255.255.255.255)
|
||||
virtual bool BroadcastAddress();
|
||||
|
||||
// a.b.c.d
|
||||
virtual wxString IPAddress() const;
|
||||
|
||||
virtual wxString Hostname() const;
|
||||
virtual unsigned short Service() const;
|
||||
|
||||
|
||||
// IPv4-specific methods:
|
||||
|
||||
bool Hostname(unsigned long addr);
|
||||
wxString OrigHostname() { return m_origHostname; }
|
||||
|
||||
bool BroadcastAddress();
|
||||
|
||||
using wxIPaddress::Hostname;
|
||||
|
||||
private:
|
||||
wxString m_origHostname;
|
||||
virtual void DoInitImpl();
|
||||
|
||||
DECLARE_DYNAMIC_CLASS(wxIPV4address)
|
||||
};
|
||||
@@ -139,78 +145,63 @@ private:
|
||||
class WXDLLIMPEXP_NET wxIPV6address : public wxIPaddress
|
||||
{
|
||||
public:
|
||||
wxIPV6address();
|
||||
wxIPV6address(const wxIPV6address& other);
|
||||
virtual ~wxIPV6address();
|
||||
wxIPV6address() : wxIPaddress() { }
|
||||
wxIPV6address(const wxIPV6address& other) : wxIPaddress(other) { }
|
||||
|
||||
// implement wxSockAddress pure virtuals:
|
||||
|
||||
virtual int Type() { return wxSockAddress::IPV6; }
|
||||
virtual Family Type() { return IPV6; }
|
||||
virtual wxSockAddress *Clone() const { return new wxIPV6address(*this); }
|
||||
|
||||
|
||||
// implement wxIPaddress pure virtuals:
|
||||
|
||||
virtual bool Hostname(const wxString& name);
|
||||
virtual bool Service(const wxString& name);
|
||||
virtual bool Service(unsigned short port);
|
||||
|
||||
// localhost (0000:0000:0000:0000:0000:0000:0000:0001 (::1))
|
||||
virtual bool LocalHost();
|
||||
virtual bool IsLocalHost() const;
|
||||
|
||||
// any (0000:0000:0000:0000:0000:0000:0000:0000 (::))
|
||||
virtual bool AnyAddress();
|
||||
// all (?)
|
||||
virtual bool BroadcastAddress();
|
||||
|
||||
// 3ffe:ffff:0100:f101:0210:a4ff:fee3:9566
|
||||
virtual wxString IPAddress() const;
|
||||
|
||||
virtual wxString Hostname() const;
|
||||
virtual unsigned short Service() const;
|
||||
|
||||
|
||||
// IPv6-specific methods:
|
||||
|
||||
bool Hostname(unsigned char addr[16]);
|
||||
|
||||
using wxIPaddress::Hostname;
|
||||
|
||||
private:
|
||||
wxString m_origHostname;
|
||||
virtual void DoInitImpl();
|
||||
|
||||
DECLARE_DYNAMIC_CLASS(wxIPV6address)
|
||||
};
|
||||
|
||||
#endif // wxUSE_IPV6
|
||||
|
||||
#if defined(__UNIX__) && !defined(__WINE__)
|
||||
|
||||
#include <sys/socket.h>
|
||||
#ifndef __VMS__
|
||||
#include <sys/un.h>
|
||||
// Unix domain sockets are only available under, well, Unix
|
||||
#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__)
|
||||
#define wxHAS_UNIX_DOMAIN_SOCKETS
|
||||
#endif
|
||||
|
||||
#ifdef wxHAS_UNIX_DOMAIN_SOCKETS
|
||||
|
||||
// A Unix domain socket address
|
||||
class WXDLLIMPEXP_NET wxUNIXaddress : public wxSockAddress
|
||||
{
|
||||
public:
|
||||
wxUNIXaddress();
|
||||
wxUNIXaddress(const wxUNIXaddress& other);
|
||||
virtual ~wxUNIXaddress();
|
||||
wxUNIXaddress() : wxSockAddress() { }
|
||||
wxUNIXaddress(const wxUNIXaddress& other) : wxSockAddress(other) { }
|
||||
|
||||
void Filename(const wxString& name);
|
||||
wxString Filename();
|
||||
wxString Filename() const;
|
||||
|
||||
virtual int Type() { return wxSockAddress::UNIX; }
|
||||
virtual Family Type() { return UNIX; }
|
||||
virtual wxSockAddress *Clone() const { return new wxUNIXaddress(*this); }
|
||||
|
||||
private:
|
||||
struct sockaddr_un *m_addr;
|
||||
wxSockAddressImpl& GetUNIX();
|
||||
const wxSockAddressImpl& GetUNIX() const
|
||||
{
|
||||
return const_cast<wxUNIXaddress *>(this)->GetUNIX();
|
||||
}
|
||||
|
||||
DECLARE_DYNAMIC_CLASS(wxUNIXaddress)
|
||||
};
|
||||
|
||||
#endif // __UNIX__
|
||||
#endif // wxHAS_UNIX_DOMAIN_SOCKETS
|
||||
|
||||
#endif // wxUSE_SOCKETS
|
||||
|
||||
|
Reference in New Issue
Block a user