QtNetwork: Split out QNativeSocketEnginePrivate

The aim is to have fewer files including <windows.h>.

Pick-to: 6.5
Task-number: QTBUG-109394
Change-Id: Id9cc08f54b5daf6d7e317fad27036dc2efaacbb8
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Amir Masoud Abdol <amir.abdol@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

9 files changed, 205 insertions, 173 deletions

diff --git a/src/network/CMakeLists.txt b/src/network/CMakeLists.txt
index 24a57a8635..076100b425 100644
--- a/src/network/CMakeLists.txt
+++ b/src/network/CMakeLists.txt
@@ -40,7 +40,7 @@ qt_internal_add_module(Network
         kernel/qtnetworkglobal.h kernel/qtnetworkglobal_p.h
         socket/qabstractsocket.cpp socket/qabstractsocket.h socket/qabstractsocket_p.h
         socket/qabstractsocketengine.cpp socket/qabstractsocketengine_p.h
-        socket/qnativesocketengine.cpp socket/qnativesocketengine_p.h
+        socket/qnativesocketengine.cpp socket/qnativesocketengine_p.h socket/qnativesocketengine_p_p.h
         socket/qtcpserver.cpp socket/qtcpserver.h socket/qtcpserver_p.h
         socket/qtcpsocket.cpp socket/qtcpsocket.h socket/qtcpsocket_p.h
         socket/qudpsocket.cpp socket/qudpsocket.h
diff --git a/src/network/kernel/qnetconmonitor_darwin.mm b/src/network/kernel/qnetconmonitor_darwin.mm
index 639e267c05..60b3cd6581 100644
--- a/src/network/kernel/qnetconmonitor_darwin.mm
+++ b/src/network/kernel/qnetconmonitor_darwin.mm
@@ -1,7 +1,7 @@
 // Copyright (C) 2019 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
-#include "private/qnativesocketengine_p.h"
+#include "private/qnativesocketengine_p_p.h"
 #include "private/qnetconmonitor_p.h"
 
 #include "private/qobject_p.h"
diff --git a/src/network/socket/qnativesocketengine.cpp b/src/network/socket/qnativesocketengine.cpp
index 44efe95428..e2726be781 100644
--- a/src/network/socket/qnativesocketengine.cpp
+++ b/src/network/socket/qnativesocketengine.cpp
@@ -78,7 +78,7 @@
     \sa readDatagram(), QNetworkDatagram
 */
 
-#include "qnativesocketengine_p.h"
+#include "qnativesocketengine_p_p.h"
 
 #include <qabstracteventdispatcher.h>
 #include <qsocketnotifier.h>
diff --git a/src/network/socket/qnativesocketengine_p.h b/src/network/socket/qnativesocketengine_p.h
index 2f77c15cd2..422e7da8f2 100644
--- a/src/network/socket/qnativesocketengine_p.h
+++ b/src/network/socket/qnativesocketengine_p.h
@@ -22,11 +22,6 @@
 #include "private/qabstractsocketengine_p.h"
 #ifndef Q_OS_WIN
 #  include "qplatformdefs.h"
-#  include <netinet/in.h>
-#else
-#  include <winsock2.h>
-#  include <ws2tcpip.h>
-#  include <mswsock.h>
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -34,41 +29,7 @@ QT_BEGIN_NAMESPACE
 #ifdef Q_OS_WIN
 #  define QT_SOCKLEN_T int
 #  define QT_SOCKOPTLEN_T int
-
-// The following definitions are copied from the MinGW header mswsock.h which
-// was placed in the public domain. The WSASendMsg and WSARecvMsg functions
-// were introduced with Windows Vista, so some Win32 headers are lacking them.
-// There are no known versions of Windows CE or Embedded that contain them.
-#  ifndef WSAID_WSARECVMSG
-typedef INT (WINAPI *LPFN_WSARECVMSG)(SOCKET s, LPWSAMSG lpMsg,
-                                      LPDWORD lpdwNumberOfBytesRecvd,
-                                      LPWSAOVERLAPPED lpOverlapped,
-                                      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);
-#    define WSAID_WSARECVMSG {0xf689d7c8,0x6f1f,0x436b,{0x8a,0x53,0xe5,0x4f,0xe3,0x51,0xc3,0x22}}
-#  endif // !WSAID_WSARECVMSG
-#  ifndef WSAID_WSASENDMSG
-typedef struct {
-  LPWSAMSG lpMsg;
-  DWORD dwFlags;
-  LPDWORD lpNumberOfBytesSent;
-  LPWSAOVERLAPPED lpOverlapped;
-  LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine;
-} WSASENDMSG, *LPWSASENDMSG;
-
-typedef INT (WSAAPI *LPFN_WSASENDMSG)(SOCKET s, LPWSAMSG lpMsg, DWORD dwFlags,
-                                      LPDWORD lpNumberOfBytesSent,
-                                      LPWSAOVERLAPPED lpOverlapped,
-                                      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);
-
-#    define WSAID_WSASENDMSG {0xa441e712,0x754f,0x43ca,{0x84,0xa7,0x0d,0xee,0x44,0xcf,0x60,0x6d}}
-#  endif // !WSAID_WSASENDMSG
-#endif // Q_OS_WIN
-
-union qt_sockaddr {
-    sockaddr a;
-    sockaddr_in a4;
-    sockaddr_in6 a6;
-};
+#endif
 
 namespace {
 namespace SetSALen {
@@ -163,132 +124,6 @@ private:
     Q_DISABLE_COPY_MOVE(QNativeSocketEngine)
 };
 
-class QSocketNotifier;
-
-class QNativeSocketEnginePrivate : public QAbstractSocketEnginePrivate
-{
-    Q_DECLARE_PUBLIC(QNativeSocketEngine)
-public:
-    QNativeSocketEnginePrivate();
-    ~QNativeSocketEnginePrivate();
-
-    qintptr socketDescriptor;
-
-    QSocketNotifier *readNotifier, *writeNotifier, *exceptNotifier;
-
-#if defined(Q_OS_WIN)
-    LPFN_WSASENDMSG sendmsg;
-    LPFN_WSARECVMSG recvmsg;
-#  endif
-    enum ErrorString {
-        NonBlockingInitFailedErrorString,
-        BroadcastingInitFailedErrorString,
-        NoIpV6ErrorString,
-        RemoteHostClosedErrorString,
-        TimeOutErrorString,
-        ResourceErrorString,
-        OperationUnsupportedErrorString,
-        ProtocolUnsupportedErrorString,
-        InvalidSocketErrorString,
-        HostUnreachableErrorString,
-        NetworkUnreachableErrorString,
-        AccessErrorString,
-        ConnectionTimeOutErrorString,
-        ConnectionRefusedErrorString,
-        AddressInuseErrorString,
-        AddressNotAvailableErrorString,
-        AddressProtectedErrorString,
-        DatagramTooLargeErrorString,
-        SendDatagramErrorString,
-        ReceiveDatagramErrorString,
-        WriteErrorString,
-        ReadErrorString,
-        PortInuseErrorString,
-        NotSocketErrorString,
-        InvalidProxyTypeString,
-        TemporaryErrorString,
-        NetworkDroppedConnectionErrorString,
-        ConnectionResetErrorString,
-
-        UnknownSocketErrorString = -1
-    };
-
-    void setError(QAbstractSocket::SocketError error, ErrorString errorString) const;
-    QHostAddress adjustAddressProtocol(const QHostAddress &address) const;
-
-    // native functions
-    int option(QNativeSocketEngine::SocketOption option) const;
-    bool setOption(QNativeSocketEngine::SocketOption option, int value);
-
-    bool createNewSocket(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol &protocol);
-
-    bool nativeConnect(const QHostAddress &address, quint16 port);
-    bool nativeBind(const QHostAddress &address, quint16 port);
-    bool nativeListen(int backlog);
-    qintptr nativeAccept();
-#ifndef QT_NO_NETWORKINTERFACE
-    bool nativeJoinMulticastGroup(const QHostAddress &groupAddress,
-                                  const QNetworkInterface &iface);
-    bool nativeLeaveMulticastGroup(const QHostAddress &groupAddress,
-                                   const QNetworkInterface &iface);
-    QNetworkInterface nativeMulticastInterface() const;
-    bool nativeSetMulticastInterface(const QNetworkInterface &iface);
-#endif
-    qint64 nativeBytesAvailable() const;
-
-    bool nativeHasPendingDatagrams() const;
-    qint64 nativePendingDatagramSize() const;
-    qint64 nativeReceiveDatagram(char *data, qint64 maxLength, QIpPacketHeader *header,
-                                 QAbstractSocketEngine::PacketHeaderOptions options);
-    qint64 nativeSendDatagram(const char *data, qint64 length, const QIpPacketHeader &header);
-    qint64 nativeRead(char *data, qint64 maxLength);
-    qint64 nativeWrite(const char *data, qint64 length);
-    int nativeSelect(int timeout, bool selectForRead) const;
-    int nativeSelect(int timeout, bool checkRead, bool checkWrite,
-                     bool *selectForRead, bool *selectForWrite) const;
-
-    void nativeClose();
-
-    bool checkProxy(const QHostAddress &address);
-    bool fetchConnectionParameters();
-
-#if QT_CONFIG(networkinterface)
-    static uint scopeIdFromString(const QString &scopeid)
-    { return QNetworkInterface::interfaceIndexFromName(scopeid); }
-#endif
-
-    /*! \internal
-        Sets \a address and \a port in the \a aa sockaddr structure and the size in \a sockAddrSize.
-        The address \a is converted to IPv6 if the current socket protocol is also IPv6.
-     */
-    void setPortAndAddress(quint16 port, const QHostAddress &address, qt_sockaddr *aa, QT_SOCKLEN_T *sockAddrSize)
-    {
-        if (address.protocol() == QAbstractSocket::IPv6Protocol
-            || address.protocol() == QAbstractSocket::AnyIPProtocol
-            || socketProtocol == QAbstractSocket::IPv6Protocol
-            || socketProtocol == QAbstractSocket::AnyIPProtocol) {
-            memset(&aa->a6, 0, sizeof(sockaddr_in6));
-            aa->a6.sin6_family = AF_INET6;
-#if QT_CONFIG(networkinterface)
-            aa->a6.sin6_scope_id = scopeIdFromString(address.scopeId());
-#endif
-            aa->a6.sin6_port = htons(port);
-            Q_IPV6ADDR tmp = address.toIPv6Address();
-            memcpy(&aa->a6.sin6_addr, &tmp, sizeof(tmp));
-            *sockAddrSize = sizeof(sockaddr_in6);
-            SetSALen::set(&aa->a, sizeof(sockaddr_in6));
-        } else {
-            memset(&aa->a, 0, sizeof(sockaddr_in));
-            aa->a4.sin_family = AF_INET;
-            aa->a4.sin_port = htons(port);
-            aa->a4.sin_addr.s_addr = htonl(address.toIPv4Address());
-            *sockAddrSize = sizeof(sockaddr_in);
-            SetSALen::set(&aa->a, sizeof(sockaddr_in));
-        }
-    }
-
-};
-
 QT_END_NAMESPACE
 
 #endif // QNATIVESOCKETENGINE_P_H
diff --git a/src/network/socket/qnativesocketengine_p_p.h b/src/network/socket/qnativesocketengine_p_p.h
new file mode 100644
index 0000000000..013b62ad29
--- /dev/null
+++ b/src/network/socket/qnativesocketengine_p_p.h
@@ -0,0 +1,197 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// Copyright (C) 2016 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QNATIVESOCKETENGINE_P_P_H
+#define QNATIVESOCKETENGINE_P_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qabstractsocketengine_p.h"
+#include "private/qnativesocketengine_p.h"
+
+#ifndef Q_OS_WIN
+#  include <netinet/in.h>
+#else
+#  include <winsock2.h>
+#  include <ws2tcpip.h>
+#  include <mswsock.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifdef Q_OS_WIN
+
+// The following definitions are copied from the MinGW header mswsock.h which
+// was placed in the public domain. The WSASendMsg and WSARecvMsg functions
+// were introduced with Windows Vista, so some Win32 headers are lacking them.
+// There are no known versions of Windows CE or Embedded that contain them.
+#  ifndef WSAID_WSARECVMSG
+typedef INT (WINAPI *LPFN_WSARECVMSG)(SOCKET s, LPWSAMSG lpMsg,
+                                      LPDWORD lpdwNumberOfBytesRecvd,
+                                      LPWSAOVERLAPPED lpOverlapped,
+                                      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);
+#    define WSAID_WSARECVMSG {0xf689d7c8,0x6f1f,0x436b,{0x8a,0x53,0xe5,0x4f,0xe3,0x51,0xc3,0x22}}
+#  endif // !WSAID_WSARECVMSG
+#  ifndef WSAID_WSASENDMSG
+typedef struct {
+  LPWSAMSG lpMsg;
+  DWORD dwFlags;
+  LPDWORD lpNumberOfBytesSent;
+  LPWSAOVERLAPPED lpOverlapped;
+  LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine;
+} WSASENDMSG, *LPWSASENDMSG;
+
+typedef INT (WSAAPI *LPFN_WSASENDMSG)(SOCKET s, LPWSAMSG lpMsg, DWORD dwFlags,
+                                      LPDWORD lpNumberOfBytesSent,
+                                      LPWSAOVERLAPPED lpOverlapped,
+                                      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);
+
+#    define WSAID_WSASENDMSG {0xa441e712,0x754f,0x43ca,{0x84,0xa7,0x0d,0xee,0x44,0xcf,0x60,0x6d}}
+#  endif // !WSAID_WSASENDMSG
+#endif // Q_OS_WIN
+
+union qt_sockaddr {
+    sockaddr a;
+    sockaddr_in a4;
+    sockaddr_in6 a6;
+};
+
+class QSocketNotifier;
+
+class QNativeSocketEnginePrivate : public QAbstractSocketEnginePrivate
+{
+    Q_DECLARE_PUBLIC(QNativeSocketEngine)
+public:
+    QNativeSocketEnginePrivate();
+    ~QNativeSocketEnginePrivate();
+
+    qintptr socketDescriptor;
+
+    QSocketNotifier *readNotifier, *writeNotifier, *exceptNotifier;
+
+#if defined(Q_OS_WIN)
+    LPFN_WSASENDMSG sendmsg;
+    LPFN_WSARECVMSG recvmsg;
+#  endif
+    enum ErrorString {
+        NonBlockingInitFailedErrorString,
+        BroadcastingInitFailedErrorString,
+        NoIpV6ErrorString,
+        RemoteHostClosedErrorString,
+        TimeOutErrorString,
+        ResourceErrorString,
+        OperationUnsupportedErrorString,
+        ProtocolUnsupportedErrorString,
+        InvalidSocketErrorString,
+        HostUnreachableErrorString,
+        NetworkUnreachableErrorString,
+        AccessErrorString,
+        ConnectionTimeOutErrorString,
+        ConnectionRefusedErrorString,
+        AddressInuseErrorString,
+        AddressNotAvailableErrorString,
+        AddressProtectedErrorString,
+        DatagramTooLargeErrorString,
+        SendDatagramErrorString,
+        ReceiveDatagramErrorString,
+        WriteErrorString,
+        ReadErrorString,
+        PortInuseErrorString,
+        NotSocketErrorString,
+        InvalidProxyTypeString,
+        TemporaryErrorString,
+        NetworkDroppedConnectionErrorString,
+        ConnectionResetErrorString,
+
+        UnknownSocketErrorString = -1
+    };
+
+    void setError(QAbstractSocket::SocketError error, ErrorString errorString) const;
+    QHostAddress adjustAddressProtocol(const QHostAddress &address) const;
+
+    // native functions
+    int option(QNativeSocketEngine::SocketOption option) const;
+    bool setOption(QNativeSocketEngine::SocketOption option, int value);
+
+    bool createNewSocket(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol &protocol);
+
+    bool nativeConnect(const QHostAddress &address, quint16 port);
+    bool nativeBind(const QHostAddress &address, quint16 port);
+    bool nativeListen(int backlog);
+    qintptr nativeAccept();
+#ifndef QT_NO_NETWORKINTERFACE
+    bool nativeJoinMulticastGroup(const QHostAddress &groupAddress,
+                                  const QNetworkInterface &iface);
+    bool nativeLeaveMulticastGroup(const QHostAddress &groupAddress,
+                                   const QNetworkInterface &iface);
+    QNetworkInterface nativeMulticastInterface() const;
+    bool nativeSetMulticastInterface(const QNetworkInterface &iface);
+#endif
+    qint64 nativeBytesAvailable() const;
+
+    bool nativeHasPendingDatagrams() const;
+    qint64 nativePendingDatagramSize() const;
+    qint64 nativeReceiveDatagram(char *data, qint64 maxLength, QIpPacketHeader *header,
+                                 QAbstractSocketEngine::PacketHeaderOptions options);
+    qint64 nativeSendDatagram(const char *data, qint64 length, const QIpPacketHeader &header);
+    qint64 nativeRead(char *data, qint64 maxLength);
+    qint64 nativeWrite(const char *data, qint64 length);
+    int nativeSelect(int timeout, bool selectForRead) const;
+    int nativeSelect(int timeout, bool checkRead, bool checkWrite,
+                     bool *selectForRead, bool *selectForWrite) const;
+
+    void nativeClose();
+
+    bool checkProxy(const QHostAddress &address);
+    bool fetchConnectionParameters();
+
+#if QT_CONFIG(networkinterface)
+    static uint scopeIdFromString(const QString &scopeid)
+    { return QNetworkInterface::interfaceIndexFromName(scopeid); }
+#endif
+
+    /*! \internal
+        Sets \a address and \a port in the \a aa sockaddr structure and the size in \a sockAddrSize.
+        The address \a is converted to IPv6 if the current socket protocol is also IPv6.
+     */
+    void setPortAndAddress(quint16 port, const QHostAddress &address, qt_sockaddr *aa, QT_SOCKLEN_T *sockAddrSize)
+    {
+        if (address.protocol() == QAbstractSocket::IPv6Protocol
+            || address.protocol() == QAbstractSocket::AnyIPProtocol
+            || socketProtocol == QAbstractSocket::IPv6Protocol
+            || socketProtocol == QAbstractSocket::AnyIPProtocol) {
+            memset(&aa->a6, 0, sizeof(sockaddr_in6));
+            aa->a6.sin6_family = AF_INET6;
+#if QT_CONFIG(networkinterface)
+            aa->a6.sin6_scope_id = scopeIdFromString(address.scopeId());
+#endif
+            aa->a6.sin6_port = htons(port);
+            Q_IPV6ADDR tmp = address.toIPv6Address();
+            memcpy(&aa->a6.sin6_addr, &tmp, sizeof(tmp));
+            *sockAddrSize = sizeof(sockaddr_in6);
+            SetSALen::set(&aa->a, sizeof(sockaddr_in6));
+        } else {
+            memset(&aa->a, 0, sizeof(sockaddr_in));
+            aa->a4.sin_family = AF_INET;
+            aa->a4.sin_port = htons(port);
+            aa->a4.sin_addr.s_addr = htonl(address.toIPv4Address());
+            *sockAddrSize = sizeof(sockaddr_in);
+            SetSALen::set(&aa->a, sizeof(sockaddr_in));
+        }
+    }
+
+};
+
+QT_END_NAMESPACE
+
+#endif // QNATIVESOCKETENGINE_P_P_H
diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp
index 13db3e6232..dd3c57de1e 100644
--- a/src/network/socket/qnativesocketengine_unix.cpp
+++ b/src/network/socket/qnativesocketengine_unix.cpp
@@ -3,7 +3,7 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
 //#define QNATIVESOCKETENGINE_DEBUG
-#include "qnativesocketengine_p.h"
+#include "qnativesocketengine_p_p.h"
 #include "private/qnet_unix_p.h"
 #include "qiodevice.h"
 #include "qhostaddress.h"
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index f3a0a06668..d578e5230f 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -8,7 +8,7 @@
 #include <winsock2.h>
 #include <ws2tcpip.h>
 
-#include "qnativesocketengine_p.h"
+#include "qnativesocketengine_p_p.h"
 
 #include <qabstracteventdispatcher.h>
 #include <qsocketnotifier.h>
diff --git a/src/plugins/tls/openssl/qdtls_openssl.cpp b/src/plugins/tls/openssl/qdtls_openssl.cpp
index cf0b42a82f..d34cfe7c64 100644
--- a/src/plugins/tls/openssl/qdtls_openssl.cpp
+++ b/src/plugins/tls/openssl/qdtls_openssl.cpp
@@ -5,7 +5,7 @@
 #define NOMINMAX
 #endif // NOMINMAX
 
-#include <QtNetwork/private/qnativesocketengine_p.h>
+#include <QtNetwork/private/qnativesocketengine_p_p.h>
 
 #include "qsslsocket_openssl_symbols_p.h"
 #include "qdtls_openssl_p.h"
diff --git a/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp b/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
index 5838f99970..7b1b0ad666 100644
--- a/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
+++ b/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
@@ -23,7 +23,7 @@
 
 #define PLATFORMSOCKETENGINE QNativeSocketEngine
 #define PLATFORMSOCKETENGINESTRING "QNativeSocketEngine"
-#include <private/qnativesocketengine_p.h>
+#include <private/qnativesocketengine_p_p.h>
 
 #include <qstringlist.h>