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RequestHandlerHandshake.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 
22 #include "Common/Compat.h"
23 #include "Common/Error.h"
24 #include "Common/Logger.h"
25 
27 #include "Common/Serialization.h"
28 
29 #include "Hyperspace/Master.h"
30 #include "Hyperspace/Protocol.h"
32 
33 using namespace Hyperspace;
34 using namespace Hypertable;
35 using namespace Serialization;
36 
38  ResponseCallback cb(m_comm, m_event);
39  size_t decode_remain = m_event->payload_len - 8;
40  const uint8_t *decode_ptr = m_event->payload + 8;
41 
42  try {
43  const char *name = decode_vstr(&decode_ptr, &decode_remain);
44  m_master->initialize_session(m_session_id, name);
45  cb.response_ok();
46  }
47  catch (Exception &e) {
48  HT_ERROR_OUT << e << HT_END;
49  cb.error(e.code(), "Error handling Hyperspace handshake");
50  }
51 }
52 
char * decode_vstr(const uint8_t **bufp, size_t *remainp)
Decode a vstr (vint64, data, null).
virtual int response_ok()
Sends a a simple success response back to the client which is just the 4-byte error code Error::OK...
Declarations for Protocol.
Hyperspace definitions
virtual void run()
Carries out the request.
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.
#define HT_ERROR_OUT
Definition: Logger.h:301
This class is used to generate and deliver standard responses back to a client.
Hypertable definitions
virtual int error(int error, const String &msg)
Sends a standard error response back to the client.
This is a generic exception class for Hypertable.
Definition: Error.h:314
Declarations for ResponseCallback.
Error codes, Exception handling, error logging.
int code() const
Returns the error code.
Definition: Error.h:391