| Commit message (Collapse) | Author | Age | Files | Lines |
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Bug fixes & code cleanups
Description:
Backport MPI-I/O changes from the development branch to the release
branch in preparation for bringing Kent's collective chunk I/O changes back.
Removed last vestiges of FPHDF5 from this branch, as it was never working
here.
Various code cleanups & syncrontizations to better align with development
branch code and reduce diffs.
Regenerate dependencies.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
IRIX64 6.5 (modi4)
h5committested
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Purpose:
__DLL__ is a keyword in some platforms and __DLL__ is also defined as a macro for windows DLL applications.
That causes problems.
Description:
Solution:
Use H5_DLL*** to replace __DLL***__ at all header files.
Change the macro defination at H5api_adpt.h.
Platforms tested:
linux2.2.18smp, irix64, solaris 2.7 and windows 2000
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Code cleanup
Description:
Get rid of IDs from internal function calls and some small cleanups from
the old-stype => generic property list conversion.
Platforms tested:
FreeBSD 4.4 (hawkwind)
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Purpose:
Implemented port hunting
Really catch SIGPIPE signals
Description:
Port hunting allows to try and bind to a successive port number
if the port number given in the filename is already used.
Because of a stupid typo in the code, SIGPIPE wasn't catched
which might have caused the sending side to hang.
Solution:
The Stream VFD's file access property list was extended by two
elements:
- maxhunt: how many successive ports to try if the one
given in the filename is already in use
Default is not to hunt for additional ports.
- port: port number which is finally used to bind a socket
This might be different to the port number
as given in the filename if port hunting is enabled.
The H5Pget_fapl_stream() can be used to obtain
this port number.
Platforms tested:
x86 Linux, Irix 32/64 bit, Dec Alpha, Unicos on T3E, AIX on SP2
Hitachi SR8000
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Update
Description:
Changed
#include <hdf_file.h>
construct to
#include "hdf_file.h"
so that the GNU compiler can more easily pick up the dependencies
which it places in the .depend and Dependencies files. Also
regenerated the Dependencies to go along with this.
Platforms tested:
Linux
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Improvment
Description:
H5config.h and H5pubconf.h are generated by configure. It does
not have the #ifndef _H5config_H ... #endif guard to prevent
duplicated definitions if it is included more than once.
It is messy to try make configure to put in those guards.
Solution:
HDF5 has set an internal rule that H5public.h includes H5pubconf.h
and H5private.h includes H5config.h. Source files should NOT include
H5config.h or H5pubconf.h directly but include it via H5public.h or
H5private.h respectively. The #ifndef ... #endif in the H5public.h
and H5private.h would prevent repeated definitions from repeated
include.
Adjusted H5FDstream.c and H5FDstream.h to follow this rule.
Platforms tested:
modi4, eirene.
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Code cleanup.
Description:
Fixed _lots_ (I mean _tons_) of warnings spit out by the gcc with the
extra warnings. Including a few show-stoppers for compression on IRIX
machines.
Solution:
Changed lots of variables' types to more sensible and consistent types,
more range-checking, more variable typecasts, etc.
Platforms tested:
FreeBSD 4.2 (hawkwind), IRIX64-64 (modi4)
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Purpose:
Port to Windows platform
Bug fix
Description:
The Stream VFD is ported to Windows now.
Also fixed a bug where an application terminated when it got a SIGPIPE
due to sending/receiving on a closed socket.
Solution:
The socket stuff is treated different under Windows when using
the MS compilers to build HDF5. They define their own socket datatype
and have closesocket() instead of close(2) to close sockets.
Also there are different header files for all the socket stuff.
So I introduced my own socket decriptor datatype in H5FDstream.h
which should be used to pass in external sockets. This datatype
is mapped to either 'int' (UNIX-type sockets) or 'SOCKET' (Windows).
In the code the error code checking was adapted according to the
socket datatype used. Also, for Windows you have to call a routine
to initialize the Socket layer before using it.
As a kind of bug fix, the process signal mask is now set to ignore
SIGPIPE signals which otherwise cause the application to terminate.
The driver read/write routines catch this and return an error code.
Platforms tested:
Windows NT, both with MS Visual C++ compiler and with GNU cc
It is interesting that when compiling with GNU cc under Windows
it is possible to use both Windows and UNIX-type sockets (either
one or the other). So I check for GNU cc and go for UNIX sockets
if possible.
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Added source files for the Stream Virtual File Driver.
Description:
The Stream VFD allows users to stream complete HDF5 files
via socket connections between different applications.
Files which were created anew are flushed to any connected client
on each H5Fflush() or H5Fclose() operation.
Files which are opened as read-only will be read from a socket
on a H5Fopen() call.
The driver's H5FDset_fapl_stream() routine allows to pass in
several parameters such as an external socket descriptor,
some socket options, and flags for broadcasting a received file.
If an external socket is provided the Stream VFD would use that
for the socket calls. Otherwise it parses the filename argument
in H5Fcreate()/H5Fopen() for a 'hostname::port' parameter.
All files processed by the Stream VFD are kept in memory
(same way as the core VFD does).
Platforms:
Tested so far under Linux, Irix 32/64bit, OSF1, Solaris, Cray Unicos,
Hitachi SR8000, IBM AIX.
Not tested under Windows yet.
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