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premiere-libtorrent
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logging fix

This commit is contained in:
Arvid Norberg 2010-04-14 07:16:07 +00:00
parent 1ee414f4b9
commit 954b25f356
1 changed files with 9 additions and 3 deletions
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12
include/libtorrent/debug.hpp
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@ -36,6 +36,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include <string>
#include "libtorrent/config.hpp"
#include "libtorrent/file.hpp"
#include "libtorrent/thread.hpp"
#if TORRENT_USE_IOSTREAM
#include <fstream>
@ -51,6 +52,7 @@ namespace libtorrent
// and re-opens the file for each log line
static std::ofstream log_file;
static std::string open_filename;
static mutex file_mutex;
#endif
struct logger
@ -64,7 +66,7 @@ namespace libtorrent
error_code ec;
if (!exists(dir)) create_directories(dir, ec);
m_filename = combine_path(dir, filename);
m_append = append;
m_truncate = !append;
*this << "\n\n\n*** starting log ***\n";
}
@ -73,8 +75,10 @@ namespace libtorrent
{
if (open_filename == m_filename) return;
log_file.close();
log_file.open(m_filename.c_str(), m_append ? std::ios_base::app : std::ios_base::out);
log_file.clear();
log_file.open(m_filename.c_str(), m_truncate ? std::ios_base::trunc : std::ios_base::app);
open_filename = m_filename;
m_truncate = false;
if (!log_file.good())
fprintf(stderr, "Failed to open logfile %s: %s\n", m_filename.c_str(), strerror(errno));
}
@ -84,14 +88,16 @@ namespace libtorrent
logger& operator<<(T const& v)
{
#if TORRENT_USE_IOSTREAM
mutex::scoped_lock l(file_mutex);
open();
log_file << v;
log_file.flush();
#endif
return *this;
}
std::string m_filename;
bool m_append;
bool m_truncate;
};
}