Stop relying on "using namespace"

There were not many uses of this left after the move to std::exception and the move to the core library. Let's get rid of the last stragglers and reduce the risk of name collisions.
TigerVNC · Nov 22, 2024 · c3bf03d · c3bf03d
1 parent 61aa943
commit c3bf03d
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Showing 16 changed files with 192 additions and 214 deletions.
diff --git a/common/network/UnixSocket.cxx b/common/network/UnixSocket.cxx
@@ -36,7 +36,6 @@
 #include <network/UnixSocket.h>
 
 using namespace network;
-using namespace rdr;
 
 static core::LogWriter vlog("UnixSocket");
 

diff --git a/unix/vncpasswd/vncpasswd.cxx b/unix/vncpasswd/vncpasswd.cxx
@@ -42,8 +42,6 @@
 #include <pwquality.h>
 #endif
 
-using namespace rfb;
-
 char* prog;
 
 static void usage()
@@ -89,7 +87,7 @@ static int encrypt_pipe() {
     if (!result)
       break;
 
-    std::vector<uint8_t> obfuscated = obfuscate(result);
+    std::vector<uint8_t> obfuscated = rfb::obfuscate(result);
     if (fwrite(obfuscated.data(), obfuscated.size(), 1, stdout) != 1) {
       fprintf(stderr,"Writing to stdout failed\n");
       return 1;
@@ -178,7 +176,7 @@ static std::vector<uint8_t> readpassword() {
       continue;
     }
 
-    return obfuscate(first.c_str());
+    return rfb::obfuscate(first.c_str());
   }
 }
 

diff --git a/unix/x0vncserver/PollingManager.cxx b/unix/x0vncserver/PollingManager.cxx
@@ -38,8 +38,6 @@
 
 #include <x0vncserver/PollingManager.h>
 
-using namespace rfb;
-
 static core::LogWriter vlog("PollingMgr");
 
 const int PollingManager::m_pollingOrder[32] = {
@@ -126,7 +124,7 @@ void PollingManager::debugAfterPoll()
 // Search for changed rectangles on the screen.
 //
 
-void PollingManager::poll(VNCServer *server)
+void PollingManager::poll(rfb::VNCServer* server)
 {
 #ifdef DEBUG
   debugBeforePoll();
@@ -145,7 +143,7 @@ void PollingManager::poll(VNCServer *server)
 #define DBG_REPORT_CHANGES(title)
 #endif
 
-bool PollingManager::pollScreen(VNCServer *server)
+bool PollingManager::pollScreen(rfb::VNCServer* server)
 {
   if (!server)
     return false;
@@ -262,7 +260,7 @@ int PollingManager::checkColumn(int x, int y, int h, bool *pChangeFlags)
   return nTilesChanged;
 }
 
-int PollingManager::sendChanges(VNCServer *server) const
+int PollingManager::sendChanges(rfb::VNCServer* server) const
 {
   const bool *pChangeFlags = m_changeFlags;
   int nTilesChanged = 0;

diff --git a/unix/x0vncserver/XDesktop.cxx b/unix/x0vncserver/XDesktop.cxx
@@ -58,8 +58,6 @@ void vncSetGlueContext(Display *dpy, void *res);
 #include <x0vncserver/Geometry.h>
 #include <x0vncserver/XPixelBuffer.h>
 
-using namespace rfb;
-
 extern const unsigned short code_map_qnum_to_xorgevdev[];
 extern const unsigned int code_map_qnum_to_xorgevdev_len;
 
@@ -245,7 +243,7 @@ void XDesktop::poll() {
   }
 }
 
-void XDesktop::init(VNCServer* vs)
+void XDesktop::init(rfb::VNCServer* vs)
 {
   server = vs;
 }
@@ -613,9 +611,9 @@ void XDesktop::keyEvent(uint32_t keysym, uint32_t xtcode, bool down) {
 #endif
 }
 
-ScreenSet XDesktop::computeScreenLayout()
+rfb::ScreenSet XDesktop::computeScreenLayout()
 {
-  ScreenSet layout;
+  rfb::ScreenSet layout;
   char buffer[2048];
 
 #ifdef HAVE_XRANDR
@@ -630,7 +628,7 @@ ScreenSet XDesktop::computeScreenLayout()
   XRRFreeScreenResources(res);
 
   // Adjust the layout relative to the geometry
-  ScreenSet::iterator iter, iter_next;
+  rfb::ScreenSet::iterator iter, iter_next;
   core::Point offset(-geometry->offsetLeft(), -geometry->offsetTop());
   for (iter = layout.begin();iter != layout.end();iter = iter_next) {
     iter_next = iter; ++iter_next;
@@ -713,9 +711,9 @@ unsigned int XDesktop::setScreenLayout(int fb_width, int fb_height,
   } else {
     vlog.debug("Impossible layout - trying to adjust");
 
-    ScreenSet::const_iterator firstscreen = layout.begin();
+    rfb::ScreenSet::const_iterator firstscreen = layout.begin();
     adjustedLayout.add_screen(*firstscreen);
-    ScreenSet::iterator iter = adjustedLayout.begin();
+    rfb::ScreenSet::iterator iter = adjustedLayout.begin();
     RROutput outputId = None;
 
     for (int i = 0;i < vncRandRGetOutputCount();i++) {

diff --git a/unix/x0vncserver/XPixelBuffer.cxx b/unix/x0vncserver/XPixelBuffer.cxx
@@ -34,8 +34,6 @@
 
 #include <x0vncserver/XPixelBuffer.h>
 
-using namespace rfb;
-
 XPixelBuffer::XPixelBuffer(Display *dpy, ImageFactory &factory,
                            const core::Rect& rect)
   : FullFramePixelBuffer(),
@@ -46,16 +44,16 @@ XPixelBuffer::XPixelBuffer(Display *dpy, ImageFactory &factory,
     m_offsetTop(rect.tl.y)
 {
   // Fill in the PixelFormat structure of the parent class.
-  format = PixelFormat(m_image->xim->bits_per_pixel,
-                       m_image->xim->depth,
-                       (m_image->xim->byte_order == MSBFirst),
-                       true,
-                       m_image->xim->red_mask   >> (ffs(m_image->xim->red_mask) - 1),
-                       m_image->xim->green_mask >> (ffs(m_image->xim->green_mask) - 1),
-                       m_image->xim->blue_mask  >> (ffs(m_image->xim->blue_mask) - 1),
-                       ffs(m_image->xim->red_mask) - 1,
-                       ffs(m_image->xim->green_mask) - 1,
-                       ffs(m_image->xim->blue_mask) - 1);
+  format = rfb::PixelFormat(m_image->xim->bits_per_pixel,
+                            m_image->xim->depth,
+                            (m_image->xim->byte_order == MSBFirst),
+                            true,
+                            m_image->xim->red_mask   >> (ffs(m_image->xim->red_mask) - 1),
+                            m_image->xim->green_mask >> (ffs(m_image->xim->green_mask) - 1),
+                            m_image->xim->blue_mask  >> (ffs(m_image->xim->blue_mask) - 1),
+                            ffs(m_image->xim->red_mask) - 1,
+                            ffs(m_image->xim->green_mask) - 1,
+                            ffs(m_image->xim->blue_mask) - 1);
 
   // Set up the remaining data of the parent class.
   setBuffer(rect.width(), rect.height(), (uint8_t *)m_image->xim->data,

diff --git a/unix/x0vncserver/x0vncserver.cxx b/unix/x0vncserver/x0vncserver.cxx
@@ -60,9 +60,6 @@
 
 extern char buildtime[];
 
-using namespace rfb;
-using namespace network;
-
 static core::LogWriter vlog("Main");
 
 static const char* defaultDesktopName();
@@ -144,7 +141,7 @@ static bool hasSystemdListeners()
 #endif
 }
 
-static int createSystemdListeners(std::list<SocketListener*> *listeners)
+static int createSystemdListeners(std::list<network::SocketListener*> *listeners)
 {
 #ifdef HAVE_LIBSYSTEMD
   int count = sd_listen_fds(0);
@@ -155,7 +152,7 @@ static int createSystemdListeners(std::list<SocketListener*> *listeners)
   }
 
   for (int i = 0; i < count; ++i)
-      listeners->push_back(new TcpListener(SD_LISTEN_FDS_START + i));
+      listeners->push_back(new network::TcpListener(SD_LISTEN_FDS_START + i));
 
   return count;
 #else
@@ -165,7 +162,7 @@ static int createSystemdListeners(std::list<SocketListener*> *listeners)
 }
 
 
-class FileTcpFilter : public TcpFilter
+class FileTcpFilter : public network::TcpFilter
 {
 
 public:
@@ -183,7 +180,7 @@ class FileTcpFilter : public TcpFilter
       free(fileName);
   }
 
-  bool verifyConnection(Socket* s) override
+  bool verifyConnection(network::Socket* s) override
   {
     if (!reloadRules()) {
       vlog.error("Could not read IP filtering rules, rejecting all clients");
@@ -336,7 +333,7 @@ int main(int argc, char** argv)
   signal(SIGINT, CleanupSignalHandler);
   signal(SIGTERM, CleanupSignalHandler);
 
-  std::list<SocketListener*> listeners;
+  std::list<network::SocketListener*> listeners;
 
   try {
     TXWindow::init(dpy,"x0vncserver");
@@ -348,7 +345,7 @@ int main(int argc, char** argv)
     }
     XDesktop desktop(dpy, &geo);
 
-    VNCServerST server(desktopName, &desktop);
+    rfb::VNCServerST server(desktopName, &desktop);
 
     if (createSystemdListeners(&listeners) > 0) {
       // When systemd is in charge of listeners, do not listen to anything else
@@ -380,7 +377,7 @@ int main(int argc, char** argv)
 
       FileTcpFilter fileTcpFilter(hostsFile);
       if (strlen(hostsFile) != 0)
-        for (SocketListener* listener : listeners)
+        for (network::SocketListener* listener : listeners)
           listener->setFilter(&fileTcpFilter);
     }
 
@@ -395,8 +392,8 @@ int main(int argc, char** argv)
       int wait_ms, nextTimeout;
       struct timeval tv;
       fd_set rfds, wfds;
-      std::list<Socket*> sockets;
-      std::list<Socket*>::iterator i;
+      std::list<network::Socket*> sockets;
+      std::list<network::Socket*>::iterator i;
 
       // Process any incoming X events
       TXWindow::handleXEvents(dpy);
@@ -405,7 +402,7 @@ int main(int argc, char** argv)
       FD_ZERO(&wfds);
 
       FD_SET(ConnectionNumber(dpy), &rfds);
-      for (SocketListener* listener : listeners)
+      for (network::SocketListener* listener : listeners)
         FD_SET(listener->getFd(), &rfds);
 
       server.getSockets(&sockets);
@@ -458,9 +455,9 @@ int main(int argc, char** argv)
       }
 
       // Accept new VNC connections
-      for (SocketListener* listener : listeners) {
+      for (network::SocketListener* listener : listeners) {
         if (FD_ISSET(listener->getFd(), &rfds)) {
-          Socket* sock = listener->accept();
+          network::Socket* sock = listener->accept();
           if (sock) {
             server.addSocket(sock);
           } else {
@@ -500,7 +497,7 @@ int main(int argc, char** argv)
   TXWindow::handleXEvents(dpy);
 
   // Run listener destructors; remove UNIX sockets etc
-  for (SocketListener* listener : listeners)
+  for (network::SocketListener* listener : listeners)
     delete listener;
 
   vlog.info("Terminated");

diff --git a/unix/xserver/hw/vnc/XserverDesktop.cc b/unix/xserver/hw/vnc/XserverDesktop.cc
@@ -60,9 +60,6 @@ void vncSetGlueContext(int screenIndex);
 void vncPresentMscEvent(uint64_t id, uint64_t msc);
 }
 
-using namespace rfb;
-using namespace network;
-
 static core::LogWriter vlog("XserverDesktop");
 
 core::BoolParameter
@@ -88,10 +85,10 @@ XserverDesktop::XserverDesktop(int screenIndex_,
 {
   format = pf;
 
-  server = new VNCServerST(name, this);
+  server = new rfb::VNCServerST(name, this);
   setFramebuffer(width, height, fbptr, stride_);
 
-  for (SocketListener* listener : listeners)
+  for (network::SocketListener* listener : listeners)
     vncSetNotifyFd(listener->getFd(), screenIndex, true, false);
 }
 
@@ -119,7 +116,7 @@ void XserverDesktop::unblockUpdates()
 
 void XserverDesktop::setFramebuffer(int w, int h, void* fbptr, int stride_)
 {
-  ScreenSet layout;
+  rfb::ScreenSet layout;
 
   if (shadowFramebuffer) {
     delete [] shadowFramebuffer;
@@ -323,10 +320,10 @@ void XserverDesktop::handleSocketEvent(int fd, bool read, bool write)
 }
 
 bool XserverDesktop::handleListenerEvent(int fd,
-                                         std::list<SocketListener*>* sockets,
-                                         VNCServer* sockserv)
+                                         std::list<network::SocketListener*>* sockets,
+                                         rfb::VNCServer* sockserv)
 {
-  std::list<SocketListener*>::iterator i;
+  std::list<network::SocketListener*>::iterator i;
 
   for (i = sockets->begin(); i != sockets->end(); i++) {
     if ((*i)->getFd() == fd)
@@ -336,7 +333,7 @@ bool XserverDesktop::handleListenerEvent(int fd,
   if (i == sockets->end())
     return false;
 
-  Socket* sock = (*i)->accept();
+  network::Socket* sock = (*i)->accept();
   vlog.debug("New client, sock %d", sock->getFd());
   sockserv->addSocket(sock);
   vncSetNotifyFd(sock->getFd(), screenIndex, true, false);
@@ -345,11 +342,11 @@ bool XserverDesktop::handleListenerEvent(int fd,
 }
 
 bool XserverDesktop::handleSocketEvent(int fd,
-                                       VNCServer* sockserv,
+                                       rfb::VNCServer* sockserv,
                                        bool read, bool write)
 {
-  std::list<Socket*> sockets;
-  std::list<Socket*>::iterator i;
+  std::list<network::Socket*> sockets;
+  std::list<network::Socket*>::iterator i;
 
   sockserv->getSockets(&sockets);
   for (i = sockets.begin(); i != sockets.end(); i++) {
@@ -378,8 +375,8 @@ void XserverDesktop::blockHandler(int* timeout)
   vncInitInputDevice();
 
   try {
-    std::list<Socket*> sockets;
-    std::list<Socket*>::iterator i;
+    std::list<network::Socket*> sockets;
+    std::list<network::Socket*>::iterator i;
     server->getSockets(&sockets);
     for (i = sockets.begin(); i != sockets.end(); i++) {
       int fd = (*i)->getFd();
@@ -415,10 +412,12 @@ void XserverDesktop::blockHandler(int* timeout)
   }
 }
 
-void XserverDesktop::addClient(Socket* sock, bool reverse, bool viewOnly)
+void XserverDesktop::addClient(network::Socket* sock,
+                               bool reverse, bool viewOnly)
 {
   vlog.debug("New client, sock %d reverse %d",sock->getFd(),reverse);
-  server->addSocket(sock, reverse, viewOnly ? AccessView : AccessDefault);
+  server->addSocket(sock, reverse,
+                    viewOnly ? rfb::AccessView : rfb::AccessDefault);
   vncSetNotifyFd(sock->getFd(), screenIndex, true, false);
 }