1 /*
2 grive: an GPL program to sync a local directory with Google Drive
3 Copyright (C) 2012 Wan Wai Ho
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation version 2
8 of the License.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19
20 #include "ResponseLog.hh"
21
22 #include "util/log/Log.hh"
23 #include "util/DateTime.hh"
24
25 #include <cassert>
26
27 namespace gr { namespace http {
28
ResponseLog(const std::string & prefix,const std::string & suffix)29 ResponseLog::ResponseLog(
30 const std::string& prefix,
31 const std::string& suffix )
32 {
33 Reset( prefix, suffix ) ;
34 }
35
Write(const char * data,std::size_t count)36 std::size_t ResponseLog::Write( const char *data, std::size_t count )
37 {
38 if ( m_enabled )
39 {
40 assert( m_log.rdbuf() != 0 ) ;
41 m_log.rdbuf()->sputn( data, count ) ;
42 m_log.flush();
43 }
44 return count;
45 }
46
Read(char * data,std::size_t count)47 std::size_t ResponseLog::Read( char *data, std::size_t count )
48 {
49 return 0 ;
50 }
51
Filename(const std::string & prefix,const std::string & suffix)52 std::string ResponseLog::Filename( const std::string& prefix, const std::string& suffix )
53 {
54 return prefix + DateTime::Now().Format( "%F.%H%M%S" ) + suffix ;
55 }
56
Reset(const std::string & prefix,const std::string & suffix)57 void ResponseLog::Reset( const std::string& prefix, const std::string& suffix )
58 {
59 if ( m_log.is_open() )
60 m_log.close() ;
61
62 const std::string fname = Filename( prefix, suffix ) ;
63
64 // reset previous stream state. don't care if file can be opened
65 // successfully previously
66 m_log.clear() ;
67
68 // re-open the file
69 m_log.open( fname.c_str() ) ;
70 if ( m_log )
71 {
72 Trace( "logging HTTP response: %1%", fname ) ;
73 m_enabled = true ;
74 }
75 else
76 {
77 Trace( "cannot open log file %1%", fname ) ;
78 m_enabled = false ;
79 }
80 }
81
82 }} // end of namespace
83