X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxserver.h;h=18623578d81294a1bb72d0cfbdfcf0cadff38dc4;hb=a617e0d978b460f5529737da1f1c73088e45a6eb;hp=9dcdf99d65570e7c8a1861dbb2145992659e4362;hpb=a8a90bf854958562ddf588e3eddbc2b7cfa7f976;p=lyx.git

diff --git a/src/lyxserver.h b/src/lyxserver.h
index 9dcdf99d65..18623578d8 100644
--- a/src/lyxserver.h
+++ b/src/lyxserver.h
@@ -1,22 +1,23 @@
 // -*- C++ -*-
-/* This file is part of
-* ======================================================
-* 
-*           LyX, The Document Processor
-*        
-*           Copyright (C) 1995 Matthias Ettrich
-*           Copyright (C) 1995-1998 The LyX Team.
-*
-*======================================================*/
+/**
+ * \file lyxserver.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
 
 #ifndef LYXSERVER_H
 #define LYXSERVER_H
 
-#ifdef __GNUG__
-#pragma interface
-#endif
+#include <boost/signals/trackable.hpp>
+
+
+namespace lyx {
 
-#include "LString.h"
 class LyXFunc;
 class LyXServer;
 
@@ -29,19 +30,17 @@ class LyXServer;
  This class encapsulates all the dirty communication and thus provides
  a clean string interface.
  */
-class LyXComm
-{
+class LyXComm : public boost::signals::trackable {
 public:
 	/** When we receive a message, we send it to a client.
 	  This is one of the small things that would have been a lot
 	  cleaner with a Signal/Slot thing.
 	 */
-	typedef void (*ClientCallbackfct)(LyXServer *, string const &);
+	typedef void (*ClientCallbackfct)(LyXServer *, std::string const &);
 
 	/// Construct with pipe-basename and callback to receive messages
-	LyXComm(string const &pip, LyXServer * cli, ClientCallbackfct ccb = 0)
-		:pipename(pip), client(cli), clientcb(ccb)
-	{
+	LyXComm(std::string const & pip, LyXServer * cli, ClientCallbackfct ccb = 0)
+		: pipename(pip), client(cli), clientcb(ccb) {
 		ready = false;
 		openConnection();
 	}
@@ -51,19 +50,34 @@ public:
 		closeConnection();
 	}
 
+	/// clean up in emergency
+	void emergencyCleanup();
+
 	/// Send message
-	void send(string const &);
+	void send(std::string const &);
 
-	/// We receive messages via XForms through this callback
-	static void callback(int fd, void *v);
+	/// asynch ready-to-be-read notification
+	void read_ready();
 
 private:
+	/// the filename of the in pipe
+	std::string const inPipeName() const;
+
+	/// the filename of the out pipe
+	std::string const outPipeName() const;
+
 	/// Open pipes
 	void openConnection();
-	
+
 	/// Close pipes
 	void closeConnection();
 
+	/// start a pipe
+	int startPipe(std::string const &, bool);
+
+	/// finish a pipe
+	void endPipe(int &, std::string const &, bool);
+
 	/// This is -1 if not open
 	int infd;
 
@@ -74,7 +88,7 @@ private:
 	bool ready;
 
 	/// Base of pipename including path
-	string pipename;
+	std::string pipename;
 
 	/// The client
 	LyXServer * client;
@@ -85,39 +99,56 @@ private:
 
 
 /* --- prototypes -------------------------------------------------------- */
-class LyXServer
-{
+///
+class LyXServer {
 public:
 	// FIXME IN 0.13
 	// Hack! This should be changed in 0.13
 
-	/// The lyx server should not take an argument "LyXFunc" but this is
+	// The lyx server should not take an argument "LyXFunc" but this is
 	// how it will be done for 0.12. In 0.13 we must write a non-gui
 	// bufferview.
-        // IMO lyxserver is atypical, and for the moment the only one, non-gui
-        // bufferview. We just have to find a way to handle situations like if
-        // lyxserver is using a buffer that is being edited with a bufferview.
-        // With a common buffer list this is not a problem, maybe. (Alejandro)
-	LyXServer(LyXFunc *f, string const &pip)
-		: numclients(0), func(f), pipes(pip, (this), callback)
-	{ }
-        /// 
+	// IMO lyxserver is atypical, and for the moment the only one, non-gui
+	// bufferview. We just have to find a way to handle situations like if
+	// lyxserver is using a buffer that is being edited with a bufferview.
+	// With a common buffer list this is not a problem, maybe. (Alejandro)
+	///
+	LyXServer(LyXFunc * f, std::string const & pip)
+		: numclients(0), func(f), pipes(pip, (this), callback) {}
+	///
 	~LyXServer();
 	///
-	void notifyClient(string const &);
+	void notifyClient(std::string const &);
+
+	/// whilst crashing etc.
+	void emergencyCleanup() {
+		pipes.emergencyCleanup();
+	}
+
 private:
 	///
-	static void callback(LyXServer *, string const & msg);
+	static void callback(LyXServer *, std::string const & msg);
 	/// Names and number of current clients
-	enum { MAX_CLIENTS = 10 };
-	string clients[MAX_CLIENTS];
+	enum {
+		///
+		MAX_CLIENTS = 10
+	};
+	///
+	std::string clients[MAX_CLIENTS];
+	///
 	int numclients;
 	///
-	LyXFunc *func;
+	LyXFunc * func;
 	///
 	LyXComm pipes;
 };
 
+/// Implementation is in lyx_main.C
+extern LyXServer & theLyXServer();
+
+
+} // namespace lyx
+
 #endif /* _LYXSERVER_H_ */
 
 /* === End of File: lyxserver.h ========================================== */