Added some basic IPC functionality using wxServer, wxClient and wxConnection.

Added the -blockamount command line option for an example of usage.


git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@56 1a98c847-1fd6-4fd8-948a-caf3550aa51b

7 files changed, 101 insertions, 8 deletions

diff --git a/headers.h b/headers.h
index 45be4b65d1..fb5e3eccc3 100644
--- a/headers.h
+++ b/headers.h
@@ -24,6 +24,8 @@
 #include <wx/taskbar.h>

 #include <wx/stdpaths.h>

 #include <wx/utils.h>

+#include <wx/ipc.h>

+#include <wx/ipcbase.h>

 #include <openssl/ecdsa.h>

 #include <openssl/evp.h>

 #include <openssl/rand.h>

@@ -102,6 +104,7 @@ using namespace boost;
 #include "market.h"

 #include "uibase.h"

 #include "ui.h"

+#include "ipc.h"

 

 #include "xpm/addressbook16.xpm"

 #include "xpm/addressbook20.xpm"

diff --git a/ipc.cpp b/ipc.cpp
new file mode 100644
index 0000000000..86e57674e2
--- /dev/null
+++ b/ipc.cpp
@@ -0,0 +1,33 @@
+/*
+ * Inter-process calling functionality
+ */
+
+#include "headers.h"
+
+wxConnectionBase * CServer::OnAcceptConnection (const wxString &topic) {
+    return new CServerConnection;
+}
+
+wxConnectionBase * CClient::OnMakeConnection () {
+    return new CClientConnection;
+}
+
+// For request based handling
+const void * CServerConnection::OnRequest (const wxString &topic, const wxString &item, size_t *size, wxIPCFormat format) {
+    const char * output;
+
+    if (item == "blockamount") {
+        stringstream stream;
+        stream << nBestHeight + 1;
+        output = stream.str().c_str();
+    }
+    else
+        output = "Unknown identifier";
+    
+    return output;
+}
+
+// For event based handling
+bool CClientConnection::OnAdvise (const wxString &topic, const wxString &item, const void *data, size_t size, wxIPCFormat format) {
+    return false;
+}
\ No newline at end of file
diff --git a/ipc.h b/ipc.h
new file mode 100644
index 0000000000..777d31b2b7
--- /dev/null
+++ b/ipc.h
@@ -0,0 +1,28 @@
+#ifndef _IPC_H
+#define	_IPC_H
+
+class CServer : public wxServer {
+public:
+    wxConnectionBase * OnAcceptConnection (const wxString &topic);
+};
+
+class CClient : public wxClient {
+public:
+    wxConnectionBase * OnMakeConnection ();
+};
+
+class CServerConnection : public wxConnection {
+public:
+    const void * OnRequest (const wxString &topic, const wxString &item, size_t *size, wxIPCFormat format);
+};
+
+class CClientConnection : public wxConnection {
+public:
+    CClientConnection() : wxConnection() {}
+    ~CClientConnection() {}
+    
+    bool OnAdvise (const wxString &topic, const wxString &item, const void *data, size_t size, wxIPCFormat format);
+};
+
+#endif	/* _IPC_H */
+
diff --git a/makefile b/makefile
index 0dd622106e..efdfc7aeeb 100644
--- a/makefile
+++ b/makefile
@@ -67,10 +67,12 @@ obj/irc.o: irc.cpp                  $(HEADERS)
 obj/ui_res.o: ui.rc  rc/bitcoin.ico rc/check.ico rc/send16.bmp rc/send16mask.bmp rc/send16masknoshadow.bmp rc/send20.bmp rc/send20mask.bmp rc/addressbook16.bmp rc/addressbook16mask.bmp rc/addressbook20.bmp rc/addressbook20mask.bmp

 	windres $(WXDEFS) $(INCLUDEPATHS) -o $@ -i $<

 

+obj/ipc.o: ipc.cpp                  $(HEADERS)

+	g++ -c $(CFLAGS) -o $@ $<

 

 

 OBJS=obj/util.o obj/script.o obj/db.o obj/net.o obj/main.o obj/market.o \

-        obj/ui.o obj/uibase.o obj/sha.o obj/irc.o obj/ui_res.o

+        obj/ui.o obj/uibase.o obj/sha.o obj/irc.o obj/ui_res.o obj/ipc.o

 

 bitcoin.exe: headers.h.gch $(OBJS)

 	-kill /f bitcoin.exe

diff --git a/makefile.unix.wx2.8 b/makefile.unix.wx2.8
index b9826d6ccb..899ce29543 100644
--- a/makefile.unix.wx2.8
+++ b/makefile.unix.wx2.8
@@ -75,11 +75,12 @@ obj/sha.o: sha.cpp                  sha.h
 obj/irc.o: irc.cpp                  $(HEADERS)

 	g++ -c $(CFLAGS) -o $@ $<

 

-

+obj/ipc.o: ipc.cpp                  $(HEADERS)

+	g++ -c $(CFLAGS) -o $@ $<

 

 

 OBJS=obj/util.o obj/script.o obj/db.o obj/net.o obj/main.o obj/market.o \

-        obj/ui.o obj/uibase.o obj/sha.o obj/irc.o

+        obj/ui.o obj/uibase.o obj/sha.o obj/irc.o obj/ipc.o

 

 bitcoin: headers.h.gch $(OBJS)

 	g++ $(CFLAGS) -o $@ $(LIBPATHS) $(OBJS) $(LIBS)

diff --git a/makefile.unix.wx2.9 b/makefile.unix.wx2.9
index 81dcbd70e9..d2c4eb5ea1 100644
--- a/makefile.unix.wx2.9
+++ b/makefile.unix.wx2.9
@@ -31,7 +31,7 @@ LIBS= \
    -l wx_gtk2u$(D)-2.9 \

  -Wl,-Bdynamic \

    -l crypto \

-   -l gtk-x11-2.0 -l gthread-2.0 -l SM

+   -l gtk-x11-2.0 -l gthread-2.0 -l SM \

 

 WXDEFS=-D__WXGTK__ -DNOPCH

 CFLAGS=-O0 -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(WXDEFS) $(INCLUDEPATHS)

@@ -75,11 +75,12 @@ obj/sha.o: sha.cpp                  sha.h
 obj/irc.o: irc.cpp                  $(HEADERS)

 	g++ -c $(CFLAGS) -o $@ $<

 

-

+obj/ipc.o: ipc.cpp                  $(HEADERS)

+	g++ -c $(CFLAGS) -o $@ $<

 

 

 OBJS=obj/util.o obj/script.o obj/db.o obj/net.o obj/main.o obj/market.o \

-        obj/ui.o obj/uibase.o obj/sha.o obj/irc.o

+        obj/ui.o obj/uibase.o obj/sha.o obj/irc.o obj/ipc.o

 

 bitcoin: headers.h.gch $(OBJS)

 	g++ $(CFLAGS) -o $@ $(LIBPATHS) $(OBJS) $(LIBS)

diff --git a/ui.cpp b/ui.cpp
index 5d93ad227f..1f22170302 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -21,6 +21,7 @@ DEFINE_EVENT_TYPE(wxEVT_REPLY3)
 

 CMainFrame* pframeMain = NULL;

 CMyTaskBarIcon* ptaskbaricon = NULL;

+CServer* pserver = NULL;

 map<string, string> mapAddressBook;

 bool fRandSendTest = false;

 void RandSend();

@@ -384,6 +385,8 @@ CMainFrame::~CMainFrame()
     pframeMain = NULL;

     delete ptaskbaricon;

     ptaskbaricon = NULL;

+    delete pserver;

+    pserver = NULL;

 }

 

 void ExitTimeout(void* parg)

@@ -1687,8 +1690,8 @@ CAboutDialog::CAboutDialog(wxWindow* parent) : CAboutDialogBase(parent)
 #if !wxUSE_UNICODE

     // Workaround until upgrade to wxWidgets supporting UTF-8

     wxString str = m_staticTextMain->GetLabel();

-    if (str.Find('Â') != wxNOT_FOUND)

-        str.Remove(str.Find('Â'), 1);

+    if (str.Find('�') != wxNOT_FOUND)

+        str.Remove(str.Find('�'), 1);

     m_staticTextMain->SetLabel(str);

 #endif

 #ifndef __WXMSW__

@@ -3548,6 +3551,26 @@ bool CMyApp::OnInit2()
         return false;

     }

 

+    if (mapArgs.count("-blockamount")) {

+        CClient client;

+        wxString hostname = "localhost";

+        wxString server = GetDataDir() + "service";

+        CClientConnection * pconnection = (CClientConnection *)client.MakeConnection(hostname, server, "ipc test");

+        string output = "";

+        if (pconnection) {

+            char * pbuffer = (char *)pconnection->Request("blockamount");

+            while (*pbuffer != '\n') {

+                output += *pbuffer;

+                pbuffer++;

+            }

+        }

+        else {

+            output = "Cannot access Bitcoin. Are you sure the program is running?\n";

+        }

+        fprintf(stderr, "%s", output.c_str());

+        return false;

+    }

+

     if (mapArgs.count("-datadir"))

         strlcpy(pszSetDataDir, mapArgs["-datadir"].c_str(), sizeof(pszSetDataDir));

 

@@ -3755,6 +3778,8 @@ bool CMyApp::OnInit2()
     if (fFirstRun)

         SetStartOnSystemStartup(true);

 

+    pserver = new CServer;

+    pserver->Create(GetDataDir() + "service");

 

     //

     // Tests