From: mmalmi@cc.hut.fi
Date: Thu, 04 Feb 2010 19:47:36 +0200
To: Satoshi Nakamoto <satoshin@gmx.com>
Subject: Re: Bitcoin API

> Is there any way to find out what the missing shared libraries are?  It
> would help to know.

This is what "ldd bitcoin" says:

         linux-gate.so.1 =>  (0xf778c000)
         libcrypto.so.0.9.8 => /usr/lib32/i686/cmov/libcrypto.so.0.9.8  
(0xf762a000)
         libgtk-x11-2.0.so.0 => not found
         libgthread-2.0.so.0 => not found
         libSM.so.6 => /usr/lib32/libSM.so.6 (0xf7621000)
         libstdc++.so.6 => /usr/lib32/libstdc++.so.6 (0xf7533000)
         libm.so.6 => /lib32/libm.so.6 (0xf750f000)
         libgcc_s.so.1 => /usr/lib32/libgcc_s.so.1 (0xf7502000)
         libc.so.6 => /lib32/libc.so.6 (0xf73b0000)
         libdl.so.2 => /lib32/libdl.so.2 (0xf73ac000)
         libgdk-x11-2.0.so.0 => not found
         libXinerama.so.1 => /usr/lib32/libXinerama.so.1 (0xf73a8000)
         libgdk_pixbuf-2.0.so.0 => not found
         libX11.so.6 => /usr/lib32/libX11.so.6 (0xf72b9000)
         libpango-1.0.so.0 => not found
         libgobject-2.0.so.0 => not found
         libglib-2.0.so.0 => not found
         libpthread.so.0 => /lib32/libpthread.so.0 (0xf72a1000)
         libpng12.so.0 => /usr/lib32/libpng12.so.0 (0xf727e000)
         libz.so.1 => /usr/lib32/libz.so.1 (0xf7269000)
         libICE.so.6 => /usr/lib32/libICE.so.6 (0xf7251000)
         /lib/ld-linux.so.2 (0xf778d000)
         libXext.so.6 => /usr/lib32/libXext.so.6 (0xf7243000)
         libxcb-xlib.so.0 => /usr/lib32/libxcb-xlib.so.0 (0xf7241000)
         libxcb.so.1 => /usr/lib32/libxcb.so.1 (0xf7229000)
         libXau.so.6 => /usr/lib32/libXau.so.6 (0xf7226000)
         libXdmcp.so.6 => /usr/lib32/libXdmcp.so.6 (0xf7220000)

Notfounds seem to be gtk-libraries indeed. I have those files in my  
/usr/lib folder, but maybe they're ignored because they're 64bit, or  
maybe only /usr/lib32 is searched. I haven't tested on other 64bit  
machines.

> My 64-bit (debug stripped) executable is attached.  It includes
> untested changes that are not in SVN yet: UI changes and the wallet
> fSpent flag resync stuff.

The package doesn't open, it says "not in gzip format".

> Is it possible to open a socket that can only be accessed locally?

Yes, you can use IPC sockets ("Unix domain sockets") which are local  
only. That's done in the wx-api by using a filename in place of a port  
number. I committed an example of how the wxServer-Client  
communication is used, you can revert if you want to. Now there's the  
-blockamount command line option which asks the running instance for  
the block chain length.

I think this command line method could already be used from PHP, but  
it might be lighter if php itself could call the socket server  
directly. The wx's IPC overview mentions wxSocketEvent, wxSocketBase,  
wxSocketClient and wxSocketServer as being "Classes for the low-level  
TCP/IP API", which might be easier to use from php than what I used  
now (wxServer, wxClient, wxConnection). I'll look more into it.