[Development] Add possibility to define viewer/server specific parameters via

Configuration class. Change needed viewer/server code appropriately.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4032 3789f03b-4d11-0410-bbf8-ca57d06f2519

common/rfb/Configuration.cxx

@@ -22,7 +22,6 @@
 #include <stdlib.h>
 #include <ctype.h>
 #include <string.h>
-#include <assert.h>
 #ifdef WIN32
 #define strcasecmp _stricmp
 #define strncasecmp _strnicmp
@@ -55,14 +54,28 @@ using namespace rfb;
 static LogWriter vlog("Config");
 
 
-// -=- The Global Configuration object
+// -=- The Global/server/viewer Configuration objects
 Configuration* Configuration::global_ = 0;
+Configuration* Configuration::server_ = 0;
+Configuration* Configuration::viewer_ = 0;
+
 Configuration* Configuration::global() {
   if (!global_)
     global_ = new Configuration("Global");
   return global_;
 }
 
+Configuration* Configuration::server() {
+  if (!server_)
+    server_ = new Configuration("Server");
+  return server_;
+}
+
+Configuration* Configuration::viewer() {
+  if (!viewer_)
+    viewer_ = new Configuration("Viewer");
+  return viewer_;
+}
 
 // -=- Configuration implementation
 
@@ -196,10 +209,21 @@ void Configuration::list(int width, int nameWidth) {
 
 // -=- VoidParameter
 
-VoidParameter::VoidParameter(const char* name_, const char* desc_, Configuration* conf)
-  : immutable(false), _hasBeenSet(false), name(name_), description(desc_) {
-  if (!conf)
-    conf = Configuration::global();
+VoidParameter::VoidParameter(const char* name_, const char* desc_,
+			     ConfigurationObject co)
+  : immutable(false), _hasBeenSet(false), name(name_), description(desc_)
+{
+  Configuration *conf = NULL;
+
+  switch (co) {
+  case ConfGlobal: conf = Configuration::global();
+    break;
+  case ConfServer: conf = Configuration::server();
+    break;
+  case ConfViewer: conf = Configuration::viewer();
+    break;
+  }
+
   _next = conf->head;
   conf->head = this;
 }
@@ -244,8 +268,8 @@ VoidParameter::hasBeenSet() {
 // -=- AliasParameter
 
 AliasParameter::AliasParameter(const char* name_, const char* desc_,
-                               VoidParameter* param_, Configuration* conf)
-  : VoidParameter(name_, desc_, conf), param(param_) {
+                               VoidParameter* param_, ConfigurationObject co)
+  : VoidParameter(name_, desc_, co), param(param_) {
 }
 
 bool
@@ -279,8 +303,9 @@ AliasParameter::setImmutable() {
 
 // -=- BoolParameter
 
-BoolParameter::BoolParameter(const char* name_, const char* desc_, bool v, Configuration* conf)
-: VoidParameter(name_, desc_, conf), value(v), def_value(v) {
+BoolParameter::BoolParameter(const char* name_, const char* desc_, bool v,
+			     ConfigurationObject co)
+: VoidParameter(name_, desc_, co), value(v), def_value(v) {
 }
 
 bool
@@ -333,8 +358,8 @@ BoolParameter::operator bool() const {
 // -=- IntParameter
 
 IntParameter::IntParameter(const char* name_, const char* desc_, int v,
-                           int minValue_, int maxValue_, Configuration* conf)
-  : VoidParameter(name_, desc_, conf), value(v), def_value(v),
+                           int minValue_, int maxValue_, ConfigurationObject co)
+  : VoidParameter(name_, desc_, co), value(v), def_value(v),
     minValue(minValue_), maxValue(maxValue_)
 {
 }
@@ -380,8 +405,8 @@ IntParameter::operator int() const {
 // -=- StringParameter
 
 StringParameter::StringParameter(const char* name_, const char* desc_,
-                                 const char* v, Configuration* conf)
-  : VoidParameter(name_, desc_, conf), value(strDup(v)), def_value(v)
+                                 const char* v, ConfigurationObject co)
+  : VoidParameter(name_, desc_, co), value(strDup(v)), def_value(v)
 {
   if (!v) {
     fprintf(stderr,"Default value <null> for %s not allowed\n",name_);
@@ -415,8 +440,9 @@ char* StringParameter::getValueStr() const {
 
 // -=- BinaryParameter
 
-BinaryParameter::BinaryParameter(const char* name_, const char* desc_, const void* v, int l, Configuration* conf)
-: VoidParameter(name_, desc_, conf), value(0), length(0), def_value((char*)v), def_length(l) {
+BinaryParameter::BinaryParameter(const char* name_, const char* desc_,
+				 const void* v, int l, ConfigurationObject co)
+: VoidParameter(name_, desc_, co), value(0), length(0), def_value((char*)v), def_length(l) {
   if (l) {
     value = new char[l];
     length = l;

common/rfb/Configuration.h

@@ -49,6 +49,8 @@ namespace rfb {
   class VoidParameter;
   struct ParameterIterator;
 
+  enum ConfigurationObject { ConfGlobal, ConfServer, ConfViewer };
+
   // -=- Configuration
   //     Class used to access parameters.
 
@@ -98,6 +100,10 @@ namespace rfb {
     //       global() is called when only the main thread is running.
     static Configuration* global();
 
+    // Enable server/viewer specific parameters
+    static void enableServerParams() { global()->appendConfiguration(server()); }
+    static void enableViewerParams() { global()->appendConfiguration(viewer()); }
+
     // - Container for process-wide Global parameters
     static bool setParam(const char* param, const char* value, bool immutable=false) {
       return global()->set(param, value, immutable);
@@ -110,9 +116,11 @@ namespace rfb {
       return global()->set(name, len, val, immutable);
     }
     static VoidParameter* getParam(const char* param) { return global()->get(param); }
-    static void listParams(int width=79, int nameWidth=10) { global()->list(width, nameWidth); }
+    static void listParams(int width=79, int nameWidth=10) {
+      global()->list(width, nameWidth);
+    }
 
-  protected:
+  private:
     friend class VoidParameter;
     friend struct ParameterIterator;
 
@@ -127,6 +135,22 @@ namespace rfb {
 
     // The process-wide, Global Configuration object
     static Configuration* global_;
+
+    // The server only Configuration object
+    static Configuration* server_;
+
+    // The viewer only Configuration object
+    static Configuration* viewer_;
+
+    // Get server/viewer specific configuration object
+    static Configuration* server();
+    static Configuration* viewer();
+
+    // Append configuration object to this instance.
+    // NOTE: conf instance can be only one configuration object
+    void appendConfiguration(Configuration *conf) {
+      conf->_next = _next; _next = conf;
+    }
   };
 
   // -=- VoidParameter
@@ -134,7 +158,7 @@ namespace rfb {
 
   class VoidParameter {
   public:
-    VoidParameter(const char* name_, const char* desc_, Configuration* conf=0);
+    VoidParameter(const char* name_, const char* desc_, ConfigurationObject co=ConfGlobal);
     virtual  ~VoidParameter();
     const char* getName() const;
     const char* getDescription() const;
@@ -162,7 +186,8 @@ namespace rfb {
 
   class AliasParameter : public VoidParameter {
   public:
-    AliasParameter(const char* name_, const char* desc_,VoidParameter* param_, Configuration* conf=0);
+    AliasParameter(const char* name_, const char* desc_,VoidParameter* param_,
+		   ConfigurationObject co=ConfGlobal);
     virtual bool setParam(const char* value);
     virtual bool setParam();
     virtual char* getDefaultStr() const;
@@ -175,7 +200,8 @@ namespace rfb {
 
   class BoolParameter : public VoidParameter {
   public:
-    BoolParameter(const char* name_, const char* desc_, bool v, Configuration* conf=0);
+    BoolParameter(const char* name_, const char* desc_, bool v,
+		  ConfigurationObject co=ConfGlobal);
     virtual bool setParam(const char* value);
     virtual bool setParam();
     virtual void setParam(bool b);
@@ -191,7 +217,8 @@ namespace rfb {
   class IntParameter : public VoidParameter {
   public:
     IntParameter(const char* name_, const char* desc_, int v,
-                 int minValue=INT_MIN, int maxValue=INT_MAX, Configuration* conf=0);
+                 int minValue=INT_MIN, int maxValue=INT_MAX,
+		 ConfigurationObject co=ConfGlobal);
     virtual bool setParam(const char* value);
     virtual bool setParam(int v);
     virtual char* getDefaultStr() const;
@@ -207,7 +234,8 @@ namespace rfb {
   public:
     // StringParameter contains a null-terminated string, which CANNOT
     // be Null, and so neither can the default value!
-    StringParameter(const char* name_, const char* desc_, const char* v, Configuration* conf=0);
+    StringParameter(const char* name_, const char* desc_, const char* v,
+		    ConfigurationObject co=ConfGlobal);
     virtual ~StringParameter();
     virtual bool setParam(const char* value);
     virtual char* getDefaultStr() const;
@@ -223,7 +251,8 @@ namespace rfb {
 
   class BinaryParameter : public VoidParameter {
   public:
-    BinaryParameter(const char* name_, const char* desc_, const void* v, int l, Configuration* conf=0);
+    BinaryParameter(const char* name_, const char* desc_, const void* v, int l,
+		    ConfigurationObject co=ConfGlobal);
     virtual ~BinaryParameter();
     virtual bool setParam(const char* value);
     virtual void setParam(const void* v, int l);

unix/vncviewer/vncviewer.cxx

@@ -303,6 +303,8 @@ int main(int argc, char** argv)
   char* vncServerName = 0;
   Display* dpy = 0;
 
+  Configuration::enableViewerParams();
+
   for (int i = 1; i < argc; i++) {
     if (Configuration::setParam(argv[i]))
       continue;

unix/x0vncserver/x0vncserver.cxx

@@ -398,6 +398,8 @@ int main(int argc, char** argv)
   programName = argv[0];
   Display* dpy;
 
+  Configuration::enableServerParams();
+
   for (int i = 1; i < argc; i++) {
     if (Configuration::setParam(argv[i]))
       continue;

unix/xserver/hw/vnc/xf86vncModule.cc

@@ -83,6 +83,7 @@ static void vncExtensionInitWithParams(INITARGS)
 {
   rfb::initStdIOLoggers();
   rfb::LogWriter::setLogParams("*:stderr:30");
+  rfb::Configuration::enableServerParams();
 
   for (int scr = 0; scr < screenInfo.numScreens; scr++) {
     ScrnInfoPtr pScrn = xf86Screens[scr];

unix/xserver/hw/vnc/xvnc.cc

@@ -335,6 +335,7 @@ ddxProcessArgument(int argc, char *argv[], int i)
 	firstTime = FALSE;
 	rfb::initStdIOLoggers();
 	rfb::LogWriter::setLogParams("*:stderr:30");
+	rfb::Configuration::enableServerParams();
     }
 
     if (argv[i][0] ==  ':')

win/vncviewer/vncviewer.cxx

@@ -106,7 +106,7 @@ programUsage() {
   printf("\nLog destinations:\n");
   Logger::listLoggers();
   printf("\nParameters:\n");
-  Configuration::listParams();
+  Configuration::listParams(ConfViewer);
   printf("Press Enter/Return key to continue\n");
   getchar();
   exit(1);

win/winvnc/winvnc.cxx

@@ -81,7 +81,7 @@ static void programUsage() {
   printf("\nLog destinations:\n");
   Logger::listLoggers();
   printf("\nAvailable configuration parameters:\n");
-  Configuration::listParams();
+  Configuration::listParams(ConfServer);
 }
 
 static void MsgBoxOrLog(const char* msg, bool isError=false) {