mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-22 16:20:52 +01:00
Replace the full ejabberd_zlib into a simple exmpp_compress interface (EJAB-991)
This commit is contained in:
Badlop
parent
adc4a7f67c
commit
d1f1958dd4
2
README
2
README
@ -12,8 +12,6 @@ To compile ejabberd you need:
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Avoid R14A and R14B.
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Avoid R14A and R14B.
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- exmpp 0.9.6 or higher
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- exmpp 0.9.6 or higher
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- OpenSSL 0.9.8 or higher, for STARTTLS, SASL and SSL encryption.
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- OpenSSL 0.9.8 or higher, for STARTTLS, SASL and SSL encryption.
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- Zlib 1.2.3 or higher, for Stream Compression support
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(XEP-0138). Optional.
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- Erlang mysql library. Optional. MySQL authentication/storage.
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- Erlang mysql library. Optional. MySQL authentication/storage.
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- Erlang pgsql library. Optional. PostgreSQL authentication/storage.
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- Erlang pgsql library. Optional. PostgreSQL authentication/storage.
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- PAM library. Optional. For Pluggable Authentication Modules (PAM).
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- PAM library. Optional. For Pluggable Authentication Modules (PAM).
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@ -318,7 +318,6 @@ To compile \ejabberd{} on a `Unix-like' operating system, you need:
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Don't use R14A or R14B because \footahref{http://www.erlang.org/cgi-bin/ezmlm-cgi/4/54598}{they have a bug}.
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Don't use R14A or R14B because \footahref{http://www.erlang.org/cgi-bin/ezmlm-cgi/4/54598}{they have a bug}.
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\item exmpp 0.9.6 or higher
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\item exmpp 0.9.6 or higher
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\item OpenSSL 0.9.8 or higher, for STARTTLS, SASL and SSL encryption.
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\item OpenSSL 0.9.8 or higher, for STARTTLS, SASL and SSL encryption.
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\item Zlib 1.2.3 or higher, for Stream Compression support (\xepref{0138}). Optional.
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\item Erlang mysql library. Optional. For MySQL authentication or storage. See section \ref{compilemysql}.
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\item Erlang mysql library. Optional. For MySQL authentication or storage. See section \ref{compilemysql}.
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\item Erlang pgsql library. Optional. For PostgreSQL authentication or storage. See section \ref{compilepgsql}.
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\item Erlang pgsql library. Optional. For PostgreSQL authentication or storage. See section \ref{compilepgsql}.
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\item PAM library. Optional. For Pluggable Authentication Modules (PAM). See section \ref{pam}.
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\item PAM library. Optional. For Pluggable Authentication Modules (PAM). See section \ref{pam}.
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@ -524,7 +523,6 @@ To compile \ejabberd{} on a Microsoft Windows system, you need:
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\item \footahref{http://support.process-one.net/doc/display/EXMPP}{exmpp 0.9.5 or higher}
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\item \footahref{http://support.process-one.net/doc/display/EXMPP}{exmpp 0.9.5 or higher}
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\item \footahref{http://www.slproweb.com/products/Win32OpenSSL.html}{Shining Light OpenSSL 0.9.8d or higher}
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\item \footahref{http://www.slproweb.com/products/Win32OpenSSL.html}{Shining Light OpenSSL 0.9.8d or higher}
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(to enable SSL connections)
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(to enable SSL connections)
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\item \footahref{http://www.zlib.net/}{Zlib 1.2.3 or higher}
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\end{itemize}
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\end{itemize}
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@ -535,8 +533,6 @@ We assume that we will try to put as much library as possible into \verb|C:\sdk\
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\begin{enumerate}
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\begin{enumerate}
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\item Install Erlang emulator (for example, into \verb|C:\sdk\erl5.6.5|).
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\item Install Erlang emulator (for example, into \verb|C:\sdk\erl5.6.5|).
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\item Install OpenSSL in \verb|C:\sdk\OpenSSL| and add \verb|C:\sdk\OpenSSL\lib\VC| to your path or copy the binaries to your system directory.
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\item Install OpenSSL in \verb|C:\sdk\OpenSSL| and add \verb|C:\sdk\OpenSSL\lib\VC| to your path or copy the binaries to your system directory.
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\item Install ZLib in \verb|C:\sdk\gnuWin32|. Copy
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\verb|C:\sdk\GnuWin32\bin\zlib1.dll| to your system directory.
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\item Make sure the you can access Erlang binaries from your path. For example: \verb|set PATH=%PATH%;"C:\sdk\erl5.6.5\bin"|
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\item Make sure the you can access Erlang binaries from your path. For example: \verb|set PATH=%PATH%;"C:\sdk\erl5.6.5\bin"|
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\item Depending on how you end up actually installing the library you might need to check and tweak the paths in the file configure.erl.
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\item Depending on how you end up actually installing the library you might need to check and tweak the paths in the file configure.erl.
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\item While in the directory \verb|ejabberd\src| run:
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\item While in the directory \verb|ejabberd\src| run:
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@ -72,7 +72,7 @@ endif
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prefix = @prefix@
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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exec_prefix = @exec_prefix@
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SUBDIRS = stun @mod_pubsub@ @mod_muc@ @mod_proxy65@ @eldap@ @pam@ @web@ @tls@ @odbc@ @ejabberd_zlib@
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SUBDIRS = stun @mod_pubsub@ @mod_muc@ @mod_proxy65@ @eldap@ @pam@ @web@ @tls@ @odbc@
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ERLSHLIBS =
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ERLSHLIBS =
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ERLBEHAVS = cyrsasl.erl gen_mod.erl p1_fsm.erl
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ERLBEHAVS = cyrsasl.erl gen_mod.erl p1_fsm.erl
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SOURCES_ALL = $(wildcard *.erl)
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SOURCES_ALL = $(wildcard *.erl)
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@ -69,9 +69,6 @@ release : build release_clean
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mkdir $(SRC_DIR)\tls
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mkdir $(SRC_DIR)\tls
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copy tls\*.erl $(SRC_DIR)\tls
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copy tls\*.erl $(SRC_DIR)\tls
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copy tls\*.c $(SRC_DIR)\tls
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copy tls\*.c $(SRC_DIR)\tls
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mkdir $(SRC_DIR)\ejabberd_zlib
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copy ejabberd_zlib\*.erl $(SRC_DIR)\ejabberd_zlib
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copy ejabberd_zlib\*.c $(SRC_DIR)\ejabberd_zlib
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mkdir $(SRC_DIR)\web
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mkdir $(SRC_DIR)\web
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copy web\*.erl $(SRC_DIR)\web
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copy web\*.erl $(SRC_DIR)\web
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mkdir $(SRC_DIR)\odbc
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mkdir $(SRC_DIR)\odbc
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@ -103,8 +100,6 @@ all-recursive :
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nmake -nologo -f Makefile.win32
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nmake -nologo -f Makefile.win32
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cd ..\tls
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cd ..\tls
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nmake -nologo -f Makefile.win32
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nmake -nologo -f Makefile.win32
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cd ..\ejabberd_zlib
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nmake -nologo -f Makefile.win32
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cd ..\web
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cd ..\web
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nmake -nologo -f Makefile.win32
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nmake -nologo -f Makefile.win32
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cd ..\odbc
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cd ..\odbc
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@ -142,8 +137,6 @@ clean-recursive :
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nmake -nologo -f Makefile.win32 clean
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nmake -nologo -f Makefile.win32 clean
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cd ..\tls
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cd ..\tls
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nmake -nologo -f Makefile.win32 clean
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nmake -nologo -f Makefile.win32 clean
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cd ..\ejabberd_zlib
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nmake -nologo -f Makefile.win32 clean
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cd ..\web
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cd ..\web
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nmake -nologo -f Makefile.win32 clean
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nmake -nologo -f Makefile.win32 clean
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cd ..\odbc
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cd ..\odbc
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@ -1,39 +1,3 @@
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AC_DEFUN([AM_WITH_ZLIB],
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[ AC_ARG_WITH(zlib,
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[AC_HELP_STRING([--with-zlib=PREFIX], [prefix where zlib is installed])])
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if test x"$ejabberd_zlib" != x; then
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ZLIB_CFLAGS=
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ZLIB_LIBS=
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if test x"$with_zlib" != x; then
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ZLIB_CFLAGS="-I$with_zlib/include"
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ZLIB_LIBS="-L$with_zlib/lib"
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fi
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AC_CHECK_LIB(z, gzgets,
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[ ZLIB_LIBS="$ZLIB_LIBS -lz"
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zlib_found=yes ],
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[ zlib_found=no ],
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"$ZLIB_LIBS")
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if test $zlib_found = no; then
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AC_MSG_ERROR([Could not find development files of zlib library. Install them or disable `ejabberd_zlib' with: --disable-ejabberd_zlib])
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fi
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zlib_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $ZLIB_CFLAGS"
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zlib_save_CPPFLAGS="$CFLAGS"
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CPPFLAGS="$CPPFLAGS $ZLIB_CFLAGS"
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AC_CHECK_HEADERS(zlib.h, , zlib_found=no)
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if test $zlib_found = no; then
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AC_MSG_ERROR([Could not find zlib.h. Install it or disable `ejabberd_zlib' with: --disable-ejabberd_zlib])
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fi
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CFLAGS="$zlib_save_CFLAGS"
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CPPFLAGS="$zlib_save_CPPFLAGS"
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AC_SUBST(ZLIB_CFLAGS)
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AC_SUBST(ZLIB_LIBS)
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fi
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])
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AC_DEFUN([AM_WITH_PAM],
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AC_DEFUN([AM_WITH_PAM],
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[ AC_ARG_WITH(pam,
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[ AC_ARG_WITH(pam,
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[AC_HELP_STRING([--with-pam=PREFIX], [prefix where PAM is installed])])
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[AC_HELP_STRING([--with-pam=PREFIX], [prefix where PAM is installed])])
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@ -36,10 +36,6 @@ AC_MOD_ENABLE(odbc, no)
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AC_MOD_ENABLE(tls, yes)
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AC_MOD_ENABLE(tls, yes)
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AC_MOD_ENABLE(web, yes)
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AC_MOD_ENABLE(web, yes)
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AC_MOD_ENABLE(ejabberd_zlib, yes)
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#locating zlib
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AM_WITH_ZLIB
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AC_MOD_ENABLE(pam, no)
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AC_MOD_ENABLE(pam, no)
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#locating PAM
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#locating PAM
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AM_WITH_PAM
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AM_WITH_PAM
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@ -107,8 +103,7 @@ AC_CONFIG_FILES([Makefile
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$make_web
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$make_web
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stun/Makefile
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stun/Makefile
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$make_tls
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$make_tls
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$make_odbc
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$make_odbc])
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$make_ejabberd_zlib])
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#openssl
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#openssl
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AM_WITH_OPENSSL
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AM_WITH_OPENSSL
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# If ssl is kerberized it need krb5.h
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# If ssl is kerberized it need krb5.h
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@ -48,7 +48,6 @@
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ejabberd_update,
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ejabberd_update,
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ejabberd_web_admin,
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ejabberd_web_admin,
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ejabberd_web,
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ejabberd_web,
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ejabberd_zlib,
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ejd2odbc,
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ejd2odbc,
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eldap,
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eldap,
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eldap_filter,
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eldap_filter,
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99
src/ejabberd_zlib.erl
Normal file
99
src/ejabberd_zlib.erl
Normal file
@ -0,0 +1,99 @@
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%%%----------------------------------------------------------------------
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%%% File : ejabberd_zlib.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : Interface to exmpp_compress
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%%% Created : 19 Jan 2006 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2011 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%----------------------------------------------------------------------
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-module(ejabberd_zlib).
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-author('alexey@process-one.net').
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-export([start/0, start_link/0,
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enable_zlib/2, disable_zlib/1,
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send/2,
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recv/2, recv/3, recv_data/2,
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setopts/2,
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get_sockmod/1,
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sockname/1, peername/1,
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controlling_process/2,
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close/1]).
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-define(DEFLATE, 1).
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-define(INFLATE, 2).
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start() ->
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exmpp_compress:start().
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start_link() ->
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exmpp_compress:start_link().
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enable_zlib(SockMod, Socket) ->
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try
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ZlibSock = exmpp_compress:enable_compression({SockMod, Socket},
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[{compress_method, zlib}]),
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{ok, ZlibSock}
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catch
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Exception ->
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{error, Exception}
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end.
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disable_zlib(ZlibSock) ->
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exmpp_compress:disable_compression(ZlibSock).
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recv(Socket, Length) ->
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recv(Socket, Length, infinity).
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recv(ZlibSock, _Length, Timeout) ->
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exmpp_compress:recv(ZlibSock, Timeout).
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recv_data(ZlibSock, Packet) ->
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exmpp_compress:recv_data(ZlibSock, Packet).
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send(ZlibSock, Packet) ->
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exmpp_compress:send(ZlibSock, Packet).
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setopts(ZlibSock, Opts) ->
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exmpp_compress:setopts(ZlibSock, Opts).
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%% Copied from exmpp/src/core/exmpp_compress.erl
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-record(compress_socket, {socket,
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packet_mode = binary,
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port
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}).
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get_sockmod(#compress_socket{socket = {SockMod, _Port}}) ->
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SockMod.
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sockname(ZlibSock) ->
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exmpp_compress:sockname(ZlibSock).
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peername(ZlibSock) ->
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exmpp_compress:peername(ZlibSock).
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controlling_process(ZlibSock, Pid) ->
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exmpp_compress:controlling_process(ZlibSock, Pid).
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close(ZlibSock) ->
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exmpp_compress:close(ZlibSock).
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@ -1,81 +0,0 @@
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CC = @CC@
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CFLAGS = @CFLAGS@
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CPPFLAGS = @CPPFLAGS@
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LDFLAGS = @LDFLAGS@
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LIBS = @LIBS@
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ZLIB_CFLAGS = @ZLIB_CFLAGS@
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ZLIB_LIBS = @ZLIB_LIBS@
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ERLANG_CFLAGS = @ERLANG_CFLAGS@
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ERLANG_LIBS = @ERLANG_LIBS@
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# Assume Linux-style dynamic library flags
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DYNAMIC_LIB_CFLAGS = -fpic -shared
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ifeq ($(shell uname),Darwin)
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DYNAMIC_LIB_CFLAGS = -fPIC -bundle -flat_namespace -undefined suppress
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endif
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ifeq ($(shell uname),SunOs)
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DYNAMIC_LIB_CFLAGS = -KPIC -G -z text
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endif
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EFLAGS += -I ..
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EFLAGS += -pz ..
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# make debug=true to compile Erlang module with debug informations.
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ifdef debug
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EFLAGS+=+debug_info +export_all
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endif
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ERLSHLIBS = ../ejabberd_zlib_drv.so
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OUTDIR = ..
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SOURCES = $(wildcard *.erl)
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BEAMS = $(addprefix $(OUTDIR)/,$(SOURCES:.erl=.beam))
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all: $(BEAMS) $(ERLSHLIBS)
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$(OUTDIR)/%.beam: %.erl
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@ERLC@ -W $(EFLAGS) -o $(OUTDIR) $<
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#all: $(ERLSHLIBS)
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# erl -s make all report "{outdir, \"..\"}" -noinput -s erlang halt
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$(ERLSHLIBS): ../%.so: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) \
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$(subst ../,,$(subst .so,.c,$@)) \
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$(LIBS) \
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$(ZLIB_LIBS) \
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$(ZLIB_CFLAGS) \
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$(ERLANG_LIBS) \
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$(ERLANG_CFLAGS) \
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-o $@ \
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$(DYNAMIC_LIB_CFLAGS)
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clean:
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rm -f $(BEAMS) $(ERLSHLIBS)
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distclean: clean
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rm -f Makefile
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TAGS:
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|
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etags *.erl
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DEVDOCDIR=../../doc/devdoc
|
|
||||||
DDTDIR=..
|
|
||||||
HTMLS = $(SOURCES:%.erl=../../doc/devdoc/%.html)
|
|
||||||
ERLHTMLS = $(SOURCES:%.erl=../../doc/devdoc/%.erl.html)
|
|
||||||
SVGS = $(SOURCES:%.erl=../../doc/devdoc/%.svg)
|
|
||||||
|
|
||||||
devdoc: $(HTMLS) $(ERLHTMLS) $(SVGS)
|
|
||||||
|
|
||||||
$(DEVDOCDIR)/%.erl.html: %.erl
|
|
||||||
@ERL@ -noshell -pa $(DEVDOCDIR) -run escobar_run file $< $(DDTDIR) -s init stop
|
|
||||||
|
|
||||||
$(DEVDOCDIR)/%.html: %.erl
|
|
||||||
@ERL@ -noshell -run edoc_run file $< \
|
|
||||||
'[{dir,"$(DDTDIR)"},{packages,false},{todo,true},{private,true},{def,{vsn,"$(VSN)"}},{stylesheet,"process-one.css"},{overview,"overview.edoc"}]' -s init stop
|
|
||||||
|
|
||||||
$(DEVDOCDIR)/%.svg: %.erl
|
|
||||||
@ERL@ -noshell -pa $(DEVDOCDIR) -run funrelg dir $< $(DDTDIR) -s init stop
|
|
||||||
|
|
||||||
@ -1,36 +0,0 @@
|
|||||||
|
|
||||||
include ..\Makefile.inc
|
|
||||||
|
|
||||||
EFLAGS = -I .. -pz ..
|
|
||||||
|
|
||||||
OUTDIR = ..
|
|
||||||
BEAMS = ..\ejabberd_zlib.beam
|
|
||||||
|
|
||||||
SOURCE = ejabberd_zlib_drv.c
|
|
||||||
OBJECT = ejabberd_zlib_drv.o
|
|
||||||
DLL = $(OUTDIR)\ejabberd_zlib_drv.dll
|
|
||||||
|
|
||||||
ALL : $(DLL) $(BEAMS)
|
|
||||||
|
|
||||||
CLEAN :
|
|
||||||
-@erase $(DLL)
|
|
||||||
-@erase $(OUTDIR)\ejabberd_zlib_drv.exp
|
|
||||||
-@erase $(OUTDIR)\ejabberd_zlib_drv.lib
|
|
||||||
-@erase $(OBJECT)
|
|
||||||
-@erase $(BEAMS)
|
|
||||||
|
|
||||||
$(OUTDIR)\ejabberd_zlib.beam : ejabberd_zlib.erl
|
|
||||||
erlc -W $(EFLAGS) -o $(OUTDIR) ejabberd_zlib.erl
|
|
||||||
|
|
||||||
CC=cl.exe
|
|
||||||
CC_FLAGS=-nologo -D__WIN32__ -DWIN32 -DWINDOWS -D_WIN32 -DNT -MD -Ox -I"$(ERLANG_DIR)\usr\include" -I"$(EI_DIR)\include" -I"$(ZLIB_DIR)\include"
|
|
||||||
|
|
||||||
LD=link.exe
|
|
||||||
LD_FLAGS=-release -nologo -incremental:no -dll "$(EI_DIR)\lib\ei_md.lib" "$(EI_DIR)\lib\erl_interface_md.lib" "$(ZLIB_LIB)" MSVCRT.LIB kernel32.lib advapi32.lib gdi32.lib user32.lib comctl32.lib comdlg32.lib shell32.lib
|
|
||||||
|
|
||||||
$(DLL) : $(OBJECT)
|
|
||||||
$(LD) $(LD_FLAGS) -out:$(DLL) $(OBJECT)
|
|
||||||
|
|
||||||
$(OBJECT) : $(SOURCE)
|
|
||||||
$(CC) $(CC_FLAGS) -c -Fo$(OBJECT) $(SOURCE)
|
|
||||||
|
|
||||||
@ -1,193 +0,0 @@
|
|||||||
%%%----------------------------------------------------------------------
|
|
||||||
%%% File : ejabberd_zlib.erl
|
|
||||||
%%% Author : Alexey Shchepin <alexey@process-one.net>
|
|
||||||
%%% Purpose : Interface to zlib
|
|
||||||
%%% Created : 19 Jan 2006 by Alexey Shchepin <alexey@process-one.net>
|
|
||||||
%%%
|
|
||||||
%%%
|
|
||||||
%%% ejabberd, Copyright (C) 2002-2011 ProcessOne
|
|
||||||
%%%
|
|
||||||
%%% This program is free software; you can redistribute it and/or
|
|
||||||
%%% modify it under the terms of the GNU General Public License as
|
|
||||||
%%% published by the Free Software Foundation; either version 2 of the
|
|
||||||
%%% License, or (at your option) any later version.
|
|
||||||
%%%
|
|
||||||
%%% This program is distributed in the hope that it will be useful,
|
|
||||||
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
||||||
%%% General Public License for more details.
|
|
||||||
%%%
|
|
||||||
%%% You should have received a copy of the GNU General Public License
|
|
||||||
%%% along with this program; if not, write to the Free Software
|
|
||||||
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
||||||
%%% 02111-1307 USA
|
|
||||||
%%%
|
|
||||||
%%%----------------------------------------------------------------------
|
|
||||||
|
|
||||||
-module(ejabberd_zlib).
|
|
||||||
-author('alexey@process-one.net').
|
|
||||||
|
|
||||||
-behaviour(gen_server).
|
|
||||||
|
|
||||||
-export([start/0, start_link/0,
|
|
||||||
enable_zlib/2, disable_zlib/1,
|
|
||||||
send/2,
|
|
||||||
recv/2, recv/3, recv_data/2,
|
|
||||||
setopts/2,
|
|
||||||
sockname/1, peername/1,
|
|
||||||
get_sockmod/1,
|
|
||||||
controlling_process/2,
|
|
||||||
close/1]).
|
|
||||||
|
|
||||||
%% Internal exports, call-back functions.
|
|
||||||
-export([init/1,
|
|
||||||
handle_call/3,
|
|
||||||
handle_cast/2,
|
|
||||||
handle_info/2,
|
|
||||||
code_change/3,
|
|
||||||
terminate/2]).
|
|
||||||
|
|
||||||
-define(DEFLATE, 1).
|
|
||||||
-define(INFLATE, 2).
|
|
||||||
|
|
||||||
-record(zlibsock, {sockmod, socket, zlibport}).
|
|
||||||
|
|
||||||
start() ->
|
|
||||||
gen_server:start({local, ?MODULE}, ?MODULE, [], []).
|
|
||||||
|
|
||||||
start_link() ->
|
|
||||||
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
|
|
||||||
|
|
||||||
init([]) ->
|
|
||||||
case erl_ddll:load_driver(ejabberd:get_so_path(), ejabberd_zlib_drv) of
|
|
||||||
ok -> ok;
|
|
||||||
{error, already_loaded} -> ok
|
|
||||||
end,
|
|
||||||
Port = open_port({spawn, "ejabberd_zlib_drv"}, [binary]),
|
|
||||||
{ok, Port}.
|
|
||||||
|
|
||||||
|
|
||||||
%%% --------------------------------------------------------
|
|
||||||
%%% The call-back functions.
|
|
||||||
%%% --------------------------------------------------------
|
|
||||||
|
|
||||||
handle_call(_, _, State) ->
|
|
||||||
{noreply, State}.
|
|
||||||
|
|
||||||
handle_cast(_, State) ->
|
|
||||||
{noreply, State}.
|
|
||||||
|
|
||||||
handle_info({'EXIT', Port, Reason}, Port) ->
|
|
||||||
{stop, {port_died, Reason}, Port};
|
|
||||||
|
|
||||||
handle_info({'EXIT', _Pid, _Reason}, Port) ->
|
|
||||||
{noreply, Port};
|
|
||||||
|
|
||||||
handle_info(_, State) ->
|
|
||||||
{noreply, State}.
|
|
||||||
|
|
||||||
code_change(_OldVsn, State, _Extra) ->
|
|
||||||
{ok, State}.
|
|
||||||
|
|
||||||
terminate(_Reason, Port) ->
|
|
||||||
Port ! {self, close},
|
|
||||||
ok.
|
|
||||||
|
|
||||||
|
|
||||||
enable_zlib(SockMod, Socket) ->
|
|
||||||
case erl_ddll:load_driver(ejabberd:get_so_path(), ejabberd_zlib_drv) of
|
|
||||||
ok -> ok;
|
|
||||||
{error, already_loaded} -> ok
|
|
||||||
end,
|
|
||||||
Port = open_port({spawn, "ejabberd_zlib_drv"}, [binary]),
|
|
||||||
{ok, #zlibsock{sockmod = SockMod, socket = Socket, zlibport = Port}}.
|
|
||||||
|
|
||||||
disable_zlib(#zlibsock{sockmod = SockMod, socket = Socket, zlibport = Port}) ->
|
|
||||||
port_close(Port),
|
|
||||||
{SockMod, Socket}.
|
|
||||||
|
|
||||||
recv(Socket, Length) ->
|
|
||||||
recv(Socket, Length, infinity).
|
|
||||||
recv(#zlibsock{sockmod = SockMod, socket = Socket} = ZlibSock,
|
|
||||||
Length, Timeout) ->
|
|
||||||
case SockMod:recv(Socket, Length, Timeout) of
|
|
||||||
{ok, Packet} ->
|
|
||||||
recv_data(ZlibSock, Packet);
|
|
||||||
{error, _Reason} = Error ->
|
|
||||||
Error
|
|
||||||
end.
|
|
||||||
|
|
||||||
recv_data(#zlibsock{sockmod = SockMod, socket = Socket} = ZlibSock, Packet) ->
|
|
||||||
case SockMod of
|
|
||||||
gen_tcp ->
|
|
||||||
recv_data2(ZlibSock, Packet);
|
|
||||||
_ ->
|
|
||||||
case SockMod:recv_data(Socket, Packet) of
|
|
||||||
{ok, Packet2} ->
|
|
||||||
recv_data2(ZlibSock, Packet2);
|
|
||||||
Error ->
|
|
||||||
Error
|
|
||||||
end
|
|
||||||
end.
|
|
||||||
|
|
||||||
recv_data2(ZlibSock, Packet) ->
|
|
||||||
case catch recv_data1(ZlibSock, Packet) of
|
|
||||||
{'EXIT', Reason} ->
|
|
||||||
{error, Reason};
|
|
||||||
Res ->
|
|
||||||
Res
|
|
||||||
end.
|
|
||||||
|
|
||||||
recv_data1(#zlibsock{zlibport = Port} = _ZlibSock, Packet) ->
|
|
||||||
case port_control(Port, ?INFLATE, Packet) of
|
|
||||||
<<0, In/binary>> ->
|
|
||||||
{ok, In};
|
|
||||||
<<1, Error/binary>> ->
|
|
||||||
{error, binary_to_list(Error)}
|
|
||||||
end.
|
|
||||||
|
|
||||||
send(#zlibsock{sockmod = SockMod, socket = Socket, zlibport = Port},
|
|
||||||
Packet) ->
|
|
||||||
case port_control(Port, ?DEFLATE, Packet) of
|
|
||||||
<<0, Out/binary>> ->
|
|
||||||
SockMod:send(Socket, Out);
|
|
||||||
<<1, Error/binary>> ->
|
|
||||||
{error, binary_to_list(Error)}
|
|
||||||
end.
|
|
||||||
|
|
||||||
|
|
||||||
setopts(#zlibsock{sockmod = SockMod, socket = Socket}, Opts) ->
|
|
||||||
case SockMod of
|
|
||||||
gen_tcp ->
|
|
||||||
inet:setopts(Socket, Opts);
|
|
||||||
_ ->
|
|
||||||
SockMod:setopts(Socket, Opts)
|
|
||||||
end.
|
|
||||||
|
|
||||||
sockname(#zlibsock{sockmod = SockMod, socket = Socket}) ->
|
|
||||||
case SockMod of
|
|
||||||
gen_tcp ->
|
|
||||||
inet:sockname(Socket);
|
|
||||||
_ ->
|
|
||||||
SockMod:sockname(Socket)
|
|
||||||
end.
|
|
||||||
|
|
||||||
get_sockmod(#zlibsock{sockmod = SockMod}) ->
|
|
||||||
SockMod.
|
|
||||||
|
|
||||||
peername(#zlibsock{sockmod = SockMod, socket = Socket}) ->
|
|
||||||
case SockMod of
|
|
||||||
gen_tcp ->
|
|
||||||
inet:peername(Socket);
|
|
||||||
_ ->
|
|
||||||
SockMod:peername(Socket)
|
|
||||||
end.
|
|
||||||
|
|
||||||
controlling_process(#zlibsock{sockmod = SockMod, socket = Socket}, Pid) ->
|
|
||||||
SockMod:controlling_process(Socket, Pid).
|
|
||||||
|
|
||||||
close(#zlibsock{sockmod = SockMod, socket = Socket, zlibport = Port}) ->
|
|
||||||
SockMod:close(Socket),
|
|
||||||
port_close(Port).
|
|
||||||
|
|
||||||
|
|
||||||
@ -1,189 +0,0 @@
|
|||||||
/*
|
|
||||||
* ejabberd, Copyright (C) 2002-2011 ProcessOne
|
|
||||||
*
|
|
||||||
* This program is free software; you can redistribute it and/or
|
|
||||||
* modify it under the terms of the GNU General Public License as
|
|
||||||
* published by the Free Software Foundation; either version 2 of the
|
|
||||||
* License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
||||||
* General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU General Public License
|
|
||||||
* along with this program; if not, write to the Free Software
|
|
||||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
||||||
* 02111-1307 USA
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <erl_driver.h>
|
|
||||||
#include <zlib.h>
|
|
||||||
|
|
||||||
|
|
||||||
#define BUF_SIZE 1024
|
|
||||||
|
|
||||||
typedef struct {
|
|
||||||
ErlDrvPort port;
|
|
||||||
z_stream *d_stream;
|
|
||||||
z_stream *i_stream;
|
|
||||||
} ejabberd_zlib_data;
|
|
||||||
|
|
||||||
|
|
||||||
static ErlDrvData ejabberd_zlib_drv_start(ErlDrvPort port, char *buff)
|
|
||||||
{
|
|
||||||
ejabberd_zlib_data *d =
|
|
||||||
(ejabberd_zlib_data *)driver_alloc(sizeof(ejabberd_zlib_data));
|
|
||||||
d->port = port;
|
|
||||||
|
|
||||||
d->d_stream = (z_stream *)malloc(sizeof(z_stream));
|
|
||||||
|
|
||||||
d->d_stream->zalloc = (alloc_func)0;
|
|
||||||
d->d_stream->zfree = (free_func)0;
|
|
||||||
d->d_stream->opaque = (voidpf)0;
|
|
||||||
|
|
||||||
deflateInit(d->d_stream, Z_DEFAULT_COMPRESSION);
|
|
||||||
|
|
||||||
d->i_stream = (z_stream *)malloc(sizeof(z_stream));
|
|
||||||
|
|
||||||
d->i_stream->zalloc = (alloc_func)0;
|
|
||||||
d->i_stream->zfree = (free_func)0;
|
|
||||||
d->i_stream->opaque = (voidpf)0;
|
|
||||||
|
|
||||||
inflateInit(d->i_stream);
|
|
||||||
|
|
||||||
set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY);
|
|
||||||
|
|
||||||
return (ErlDrvData)d;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void ejabberd_zlib_drv_stop(ErlDrvData handle)
|
|
||||||
{
|
|
||||||
ejabberd_zlib_data *d = (ejabberd_zlib_data *)handle;
|
|
||||||
|
|
||||||
deflateEnd(d->d_stream);
|
|
||||||
free(d->d_stream);
|
|
||||||
|
|
||||||
inflateEnd(d->i_stream);
|
|
||||||
free(d->i_stream);
|
|
||||||
|
|
||||||
driver_free((char *)handle);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
#define DEFLATE 1
|
|
||||||
#define INFLATE 2
|
|
||||||
|
|
||||||
#define die_unless(cond, errstr) \
|
|
||||||
if (!(cond)) \
|
|
||||||
{ \
|
|
||||||
rlen = strlen(errstr) + 1; \
|
|
||||||
b = driver_realloc_binary(b, rlen); \
|
|
||||||
b->orig_bytes[0] = 1; \
|
|
||||||
strncpy(b->orig_bytes + 1, errstr, rlen - 1); \
|
|
||||||
*rbuf = (char *)b; \
|
|
||||||
return rlen; \
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static int ejabberd_zlib_drv_control(ErlDrvData handle,
|
|
||||||
unsigned int command,
|
|
||||||
char *buf, int len,
|
|
||||||
char **rbuf, int rlen)
|
|
||||||
{
|
|
||||||
ejabberd_zlib_data *d = (ejabberd_zlib_data *)handle;
|
|
||||||
int err;
|
|
||||||
int size;
|
|
||||||
ErlDrvBinary *b;
|
|
||||||
|
|
||||||
switch (command)
|
|
||||||
{
|
|
||||||
case DEFLATE:
|
|
||||||
size = BUF_SIZE + 1;
|
|
||||||
rlen = 1;
|
|
||||||
b = driver_alloc_binary(size);
|
|
||||||
b->orig_bytes[0] = 0;
|
|
||||||
|
|
||||||
d->d_stream->next_in = (unsigned char *)buf;
|
|
||||||
d->d_stream->avail_in = len;
|
|
||||||
d->d_stream->avail_out = 0;
|
|
||||||
err = Z_OK;
|
|
||||||
|
|
||||||
while (err == Z_OK && d->d_stream->avail_out == 0)
|
|
||||||
{
|
|
||||||
d->d_stream->next_out = (unsigned char *)b->orig_bytes + rlen;
|
|
||||||
d->d_stream->avail_out = BUF_SIZE;
|
|
||||||
|
|
||||||
err = deflate(d->d_stream, Z_SYNC_FLUSH);
|
|
||||||
die_unless((err == Z_OK) || (err == Z_STREAM_END),
|
|
||||||
"Deflate error");
|
|
||||||
|
|
||||||
rlen += (BUF_SIZE - d->d_stream->avail_out);
|
|
||||||
size += (BUF_SIZE - d->d_stream->avail_out);
|
|
||||||
b = driver_realloc_binary(b, size);
|
|
||||||
}
|
|
||||||
b = driver_realloc_binary(b, rlen);
|
|
||||||
*rbuf = (char *)b;
|
|
||||||
return rlen;
|
|
||||||
case INFLATE:
|
|
||||||
size = BUF_SIZE + 1;
|
|
||||||
rlen = 1;
|
|
||||||
b = driver_alloc_binary(size);
|
|
||||||
b->orig_bytes[0] = 0;
|
|
||||||
|
|
||||||
if (len > 0) {
|
|
||||||
d->i_stream->next_in = (unsigned char *)buf;
|
|
||||||
d->i_stream->avail_in = len;
|
|
||||||
d->i_stream->avail_out = 0;
|
|
||||||
err = Z_OK;
|
|
||||||
|
|
||||||
while (err == Z_OK && d->i_stream->avail_out == 0)
|
|
||||||
{
|
|
||||||
d->i_stream->next_out = (unsigned char *)b->orig_bytes + rlen;
|
|
||||||
d->i_stream->avail_out = BUF_SIZE;
|
|
||||||
|
|
||||||
err = inflate(d->i_stream, Z_SYNC_FLUSH);
|
|
||||||
die_unless((err == Z_OK) || (err == Z_STREAM_END),
|
|
||||||
"Inflate error");
|
|
||||||
|
|
||||||
rlen += (BUF_SIZE - d->i_stream->avail_out);
|
|
||||||
size += (BUF_SIZE - d->i_stream->avail_out);
|
|
||||||
b = driver_realloc_binary(b, size);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
b = driver_realloc_binary(b, rlen);
|
|
||||||
*rbuf = (char *)b;
|
|
||||||
return rlen;
|
|
||||||
}
|
|
||||||
|
|
||||||
b = driver_alloc_binary(1);
|
|
||||||
b->orig_bytes[0] = 0;
|
|
||||||
*rbuf = (char *)b;
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
ErlDrvEntry ejabberd_zlib_driver_entry = {
|
|
||||||
NULL, /* F_PTR init, N/A */
|
|
||||||
ejabberd_zlib_drv_start, /* L_PTR start, called when port is opened */
|
|
||||||
ejabberd_zlib_drv_stop, /* F_PTR stop, called when port is closed */
|
|
||||||
NULL, /* F_PTR output, called when erlang has sent */
|
|
||||||
NULL, /* F_PTR ready_input, called when input descriptor ready */
|
|
||||||
NULL, /* F_PTR ready_output, called when output descriptor ready */
|
|
||||||
"ejabberd_zlib_drv", /* char *driver_name, the argument to open_port */
|
|
||||||
NULL, /* F_PTR finish, called when unloaded */
|
|
||||||
NULL, /* handle */
|
|
||||||
ejabberd_zlib_drv_control, /* F_PTR control, port_command callback */
|
|
||||||
NULL, /* F_PTR timeout, reserved */
|
|
||||||
NULL /* F_PTR outputv, reserved */
|
|
||||||
};
|
|
||||||
|
|
||||||
DRIVER_INIT(ejabberd_zlib_drv) /* must match name in driver_entry */
|
|
||||||
{
|
|
||||||
return &ejabberd_zlib_driver_entry;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user