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* storage/nfs: add timeoutMax Kellermann2014-12-152-3/+13
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* lib/nfs/Connection: unregister socket with SocketMonitor::Steal()Max Kellermann2014-12-151-1/+1
| | | | | SocketMonitor::Cancel() does not actually unregister the socket; it only disables the event.
* lib/nfs/Connection: implement mount timeoutMax Kellermann2014-12-152-2/+31
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* lib/nfs/Connection: add debug flag "in_destroy"Max Kellermann2014-12-152-0/+11
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* lib/nfs/Connection: add assertionMax Kellermann2014-12-141-0/+2
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* lib/nfs/Connection: fix reconnect after mount failureMax Kellermann2014-12-141-1/+1
| | | | | | | When mounting had not yet finished, SocketMonitor::IsDefined() was always false, due to the workaround at the beginning of the function that calls SocketMonitor::Steal(). This commit drops the IsDefined() check because it was never necessary and breaks reconnect.
* lib/nfs/Connection: fix typo in code commentMax Kellermann2014-12-141-1/+1
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* lib/nfs/Connection: fix memory leak (and assertion failure)Max Kellermann2014-12-143-0/+28
| | | | | | | | | | | nfs_destroy_context() will invoke all pending callbacks with err==-EINTR. In CancellableCallback::Callback(), this will invoke NfsConnection::DeferClose(), which however is only designed to be called from nfs_service(). In non-debug mode, this will leak memory because nfs_close_async() is never called. Workaround: before nfs_destroy_context(), invoke nfs_close_async() on all pending file handles.
* lib/nfs/Connection: move code to Service()Max Kellermann2014-12-142-12/+28
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* lib/nfs/Connection: add assertionsMax Kellermann2014-12-141-0/+2
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* lib/nfs/Connection: move code to method InternalClose()Max Kellermann2014-12-142-3/+17
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* lib/nfs/Connection: make in_service and in_event debug-only flagsMax Kellermann2014-12-142-0/+11
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* lib/nfs/Connection: fix crash while canceling a failing Open()Max Kellermann2014-12-141-2/+4
| | | | | | | The method NfsConnection::CancellableCallback::Callback() will always invoke NfsConnection::Close() on the file handle, even if the void pointer is not a nfsfh. This can happen if the Open() was not successful, e.g. when the file does not exist.
* lib/nfs/Connection: add assertionsMax Kellermann2014-12-141-0/+31
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* lib/nfs/FileReader: clean up on disconnectMax Kellermann2014-11-251-1/+1
| | | | | Avoids crash because Close() invokes a call on a destructed NfsConnection.
* lib/nfs/FileReader: move code to CancelOrClose()Max Kellermann2014-11-252-0/+16
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* lib/nfs/FileReader: reset state in OnNfsConnectionFailed()Max Kellermann2014-11-251-0/+2
| | | | | Avoid calling NfsConnection::RemoveLease(), because the lease has been removed already.
* lib/nfs/FileReader: update "state" in OnNfsError()Max Kellermann2014-11-251-0/+24
| | | | | | Clean up the "state" to indicate that there is no longer any asynchronous operation. Fixes another NFS-related crash due to cleanup of a non-existing asynchronous operation.
* lib/nfs/Manager: defer NfsConnection destructionMax Kellermann2014-11-252-9/+54
| | | | | Avoids a crash that occurs when NfsConnection::OnSocketReady() dereferences itself before returning.
* lib/nfs/Connection: broadcast error before closing connectionMax Kellermann2014-11-251-4/+4
| | | | | | During the NfsLease::OnNfsConnectionFailed() call, the old (defunct) nfs_context may be used to close file handles. Such code does not yet exist, but will be added soon to fix other bugs.
* lib/nfs/Connection: cancel DeferredMonitor on disconnectMax Kellermann2014-11-251-0/+4
| | | | | Fixes potential second mount attempt after the old connection to the NFS server was shut down.
* lib/nfs/FileReader: include Compiler.h for "final" fallbackMax Kellermann2014-11-251-0/+1
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* storage/nfs: use the libnfs async APIMax Kellermann2014-10-092-0/+169
| | | | Share the NFS connection with the NFS input plugin.
* lib/nfs/Connection: reduce Error instance allocationsMax Kellermann2014-10-091-3/+2
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* lib/nfs/Glue: add assertionMax Kellermann2014-10-091-0/+1
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* lib/nfs/Connection: add methods {Open,Read,Close}Directory()Max Kellermann2014-10-072-0/+53
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* lib/nfs/Connection: add method Stat(path)Max Kellermann2014-10-072-0/+33
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* lib/nfs/Connection: make GetEventLoop() publicMax Kellermann2014-10-061-4/+4
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* lib/nfs/Base: kludge to reduce number of NFS mountsMax Kellermann2014-10-053-7/+124
| | | | | | | Creating a NfsStorage sets its own export_name as the "base". Now NfsFileReader can use this information to derive the export_name to be mounted, instead of guessing. This solves the "too many connection" problem on the NFS server while updating the database.
* lib/nfs/FileReader: postpone the nfs_close_async() callMax Kellermann2014-10-014-6/+92
| | | | | | If an async opertion is in progress, nfs_close_async() will make libnfs crash because the RPC callback will dereference an object that was freed by nfs_close_async().
* lib/nfs/Connection: fix memory leak when cancelling Open()Max Kellermann2014-10-012-5/+23
| | | | Close the newly allocated file handle passed to the callback.
* lib/nfs/Connection: remove MutexMax Kellermann2014-10-012-18/+12
| | | | | All locks are currenly held from only a single thread (the IOThread) and thus we don't need the Mutex.
* lib/nfs/Connection: add method GetEventLoop()Max Kellermann2014-10-012-1/+5
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* lib/nfs/Connection: remove obsolete flag postponed_destroyMax Kellermann2014-10-012-18/+2
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* lib/nfs/Connection: remove deprecated move constructor workaroundMax Kellermann2014-10-011-16/+0
| | | | | Not used anymore because NfsManager now uses boost::intrusive::set instead of std::map.
* lib/nfs/Manager: use boost::intrusive::mapMax Kellermann2014-10-012-37/+78
| | | | | Reduce overhead for storing the key twice, and more overhead while looking up the connection to remove it after a failure.
* lib/nfs/Glue: add assertionMax Kellermann2014-10-011-0/+4
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* lib/nfs/Glue: destruct the NfsManager in the I/O threadMax Kellermann2014-10-013-5/+8
| | | | | This allows eliminating the indirection code from the NfsConnection destructor.
* lib/nfs/Glue: eliminate class NfsGlueMax Kellermann2014-10-011-17/+1
| | | | It's just a useless wrapper for class NfsManager.
* lib/nfs/Cancellable: use boost::intrusive::listMax Kellermann2014-10-013-40/+18
| | | | | Reduce Remove() overhead because we don't have to walk the list to find an iterator by reference.
* nfs/Connection: check for disappearing libnfs socketMax Kellermann2014-08-311-0/+18
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* nfs/Connection: use only BroadcastError()Max Kellermann2014-08-311-4/+1
| | | | | Since BroadcastError() calls BroadcastMountError(), there's no need to check mount_finished here.
* nfs/Connection: nfs_get_fd() can return -1Max Kellermann2014-08-311-0/+3
| | | | | While reconnecting to the NFS server, the socket is -1, because there is no socket. Fixes a potential crash (assertion failure).
* nfs/Connection: use nfs_get_error() for mount errorMax Kellermann2014-08-311-2/+3
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* nfs/Connection: fix assertion failureMax Kellermann2014-08-311-1/+3
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* *: add missing Compiler.h includesMax Kellermann2014-08-301-0/+1
| | | | Necessary for "final" on gcc 4.6.
* lib/nfs/Connection: include poll.hMax Kellermann2014-06-301-0/+2
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* lib/nfs/Manager: gcc 4.7 compatibility hackMax Kellermann2014-06-173-0/+32
| | | | std::map::emplace() is only available from gcc 4.8 on.
* input/nfs: use the asynchronous libnfs APIMax Kellermann2014-06-1711-0/+1398
| | | | More robust and cancellable.
* input/nfs: move nfs_domain to lib/nfs/Domain.cxxMax Kellermann2014-02-082-0/+51
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