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Readdir.cc
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1 /*
2  * Copyright (C) 2007-2015 Hypertable, Inc.
3  *
4  * This file is part of Hypertable.
5  *
6  * Hypertable is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 3
9  * of the License, or any later version.
10  *
11  * Hypertable is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19  * 02110-1301, USA.
20  */
21 
26 
27 #include <Common/Compat.h>
28 
29 #include "Readdir.h"
30 
33 
35 
36 #include <Common/Error.h>
37 #include <Common/Logger.h>
38 #include <Common/Serialization.h>
39 
40 using namespace Hypertable;
41 using namespace Hypertable::FsBroker::Lib;
43 
44 void Readdir::run() {
46  const uint8_t *ptr = m_event->payload;
47  size_t remain = m_event->payload_len;
48 
49  try {
51  params.decode(&ptr, &remain);
52  m_broker->readdir(&cb, params.get_dirname());
53  }
54  catch (Exception &e) {
55  HT_ERROR_OUT << e << HT_END;
56  cb.error(e.code(), "Error handling READDIR message");
57  }
58 }
virtual void run()
Invokes the readdir function.
Definition: Readdir.cc:44
virtual void readdir(Response::Callback::Readdir *cb, const char *dname)=0
Read a directory's contents.
Broker * m_broker
Pointer to file system broker object.
Definition: Readdir.h:68
Logging routines and macros.
Compatibility Macros for C/C++.
#define HT_END
Definition: Logger.h:220
Functions to serialize/deserialize primitives to/from a memory buffer.
const char * get_dirname()
Gets directory name.
Definition: Readdir.h:61
#define HT_ERROR_OUT
Definition: Logger.h:301
virtual void decode(const uint8_t **bufp, size_t *remainp)
Reads serialized representation of object from a buffer.
Definition: Serializable.cc:70
Application handler for readdir function.
Definition: Readdir.h:48
Hypertable definitions
virtual int error(int error, const String &msg)
Sends a standard error response back to the client.
Declarations for Readdir response callback.
Comm * m_comm
Pointer to comm layer.
Definition: Readdir.h:66
This is a generic exception class for Hypertable.
Definition: Error.h:314
Declarations for Readdir request parameters.
EventPtr m_event
MESSAGE Event from which handler was initialized.
Declarations for Readdir request handler.
File system broker framework and client library.
Definition: Broker.h:44
Declarations for ResponseCallback.
Error codes, Exception handling, error logging.
Request parameters for readdir requests.
Definition: Readdir.h:46
int code() const
Returns the error code.
Definition: Error.h:391