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This commit is contained in:
Arvid Norberg
2004-01-19 19:36:55 +00:00
parent eda50ceeb5
commit b9c3db8a07
14 changed files with 231 additions and 101 deletions
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5
docs/index.html
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@@ -4,11 +4,12 @@
<head> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="generator" content="Docutils 0.3.1: http://docutils.sourceforge.net/" /> <meta name="generator" content="Docutils 0.3.1: http://docutils.sourceforge.net/" />
<title>libtorrent</title>
<link rel="stylesheet" href="style.css" type="text/css" /> <link rel="stylesheet" href="style.css" type="text/css" />
</head> </head>
<body> <body>
<div class="document"> <div class="document" id="libtorrent">
<p><img alt="logo.png" src="logo.png" /></p> <h1 class="title">libtorrent</h1>
<table border class="menu table"> <table border class="menu table">
<colgroup> <colgroup>
<col width="26%" /> <col width="26%" />

4
docs/index.rst
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@@ -1,4 +1,6 @@
.. image:: logo.png ==========
libtorrent
==========
.. class:: menu .. class:: menu

51
docs/manual.html
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@@ -41,7 +41,7 @@
<li><a class="reference" href="#hash-failed-alert" id="id29" name="id29">hash_failed_alert</a></li> <li><a class="reference" href="#hash-failed-alert" id="id29" name="id29">hash_failed_alert</a></li>
<li><a class="reference" href="#peer-error-alert" id="id30" name="id30">peer_error_alert</a></li> <li><a class="reference" href="#peer-error-alert" id="id30" name="id30">peer_error_alert</a></li>
<li><a class="reference" href="#invalid-request-alert" id="id31" name="id31">invalid_request_alert</a></li> <li><a class="reference" href="#invalid-request-alert" id="id31" name="id31">invalid_request_alert</a></li>
<li><a class="reference" href="#chat-message-alert" id="id32" name="id32">chat_message_alert</a></li> <li><a class="reference" href="#torrent-finished-alert" id="id32" name="id32">torrent_finished_alert</a></li>
<li><a class="reference" href="#dispatcher" id="id33" name="id33">dispatcher</a></li> <li><a class="reference" href="#dispatcher" id="id33" name="id33">dispatcher</a></li>
</ul> </ul>
</li> </li>
@@ -101,7 +101,8 @@ party.</li>
of a resumed torrent. Saves the storage state, piece_picker state as well as all local of a resumed torrent. Saves the storage state, piece_picker state as well as all local
peers in a separate fast-resume file.</li> peers in a separate fast-resume file.</li>
<li>Supports the extension protocol <a class="reference" href="http://nolar.com/azureus/extended.htm">described by Nolar</a>. See <a class="reference" href="#extensions">extensions</a>.</li> <li>Supports the extension protocol <a class="reference" href="http://nolar.com/azureus/extended.htm">described by Nolar</a>. See <a class="reference" href="#extensions">extensions</a>.</li>
<li>Supports files &gt; 2 gigabytes (currently only on windows)</li> <li>Supports files &gt; 2 gigabytes (currently only on windows).</li>
<li>Supports the <tt class="literal"><span class="pre">no_peer_id=1</span></tt> extension that will ease the load off trackers.</li>
</ul> </ul>
</blockquote> </blockquote>
<p>Functions that are yet to be implemented:</p> <p>Functions that are yet to be implemented:</p>
@@ -1074,7 +1075,8 @@ struct peer_error_alert: alert
</div> </div>
<div class="section" id="invalid-request-alert"> <div class="section" id="invalid-request-alert">
<h2><a name="invalid-request-alert">invalid_request_alert</a></h2> <h2><a name="invalid-request-alert">invalid_request_alert</a></h2>
<p>Thie is a debug alert that is generated by an incoming invalid piece request.</p> <p>This is a debug alert that is generated by an incoming invalid piece request. It is
generated as severity level <tt class="literal"><span class="pre">debug</span></tt>.</p>
<pre class="literal-block"> <pre class="literal-block">
struct invalid_request_alert: alert struct invalid_request_alert: alert
{ {
@@ -1092,27 +1094,46 @@ struct invalid_request_alert: alert
}; };
</pre> </pre>
</div> </div>
<div class="section" id="chat-message-alert"> <div class="section" id="torrent-finished-alert">
<h2><a name="chat-message-alert">chat_message_alert</a></h2> <h2><a name="torrent-finished-alert">torrent_finished_alert</a></h2>
<p>This alert is generated when you receive a chat message from another peer. Chat messages <p>This alert is generated when a torrent switches from being a downloader to a seed.
are supported as an extension (&quot;chat&quot;). It is generated as severity level <tt class="literal"><span class="pre">critical</span></tt>, It will only be generated once per torrent. It contains a torrent_handle to the
even though it doesn't necessarily require any user intervention, it's high priority torrent in question. This alert is generated as severity level <tt class="literal"><span class="pre">info</span></tt>.</p>
since you would almost never want to ignore such a message. The alert class contain
a <a class="reference" href="#torrent-handle">torrent_handle</a> to the torrent in which the sender-peer is a member and the peer_id
of the sending peer.</p>
<pre class="literal-block"> <pre class="literal-block">
struct chat_message_alert: alert struct torrent_finished_alert: alert
{ {
chat_message_alert(const torrent_handle&amp; h torrent_finished_alert(
, const peer_id&amp; sender const torrent_handle&amp; h
, const std::string&amp; msg); , const std::string&amp; msg);
virtual std::auto_ptr&lt;alert&gt; clone() const; virtual std::auto_ptr&lt;alert&gt; clone() const;
torrent_handle handle; torrent_handle handle;
peer_id sender;
}; };
</pre> </pre>
<!-- chat_message_alert
- - - - - - - - - - - - - - - - - -
This alert is generated when you receive a chat message from another peer. Chat messages
are supported as an extension ("chat"). It is generated as severity level ``critical``,
even though it doesn't necessarily require any user intervention, it's high priority
since you would almost never want to ignore such a message. The alert class contain
a torrent_handle_ to the torrent in which the sender-peer is a member and the peer_id
of the sending peer.
::
struct chat_message_alert: alert
{
chat_message_alert(const torrent_handle& h
, const peer_id& sender
, const std::string& msg);
virtual std::auto_ptr<alert> clone() const;
torrent_handle handle;
peer_id sender;
}; -->
</div> </div>
<div class="section" id="dispatcher"> <div class="section" id="dispatcher">
<h2><a name="dispatcher">dispatcher</a></h2> <h2><a name="dispatcher">dispatcher</a></h2>

52
docs/manual.rst
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@@ -38,7 +38,8 @@ The current state includes the following features:
of a resumed torrent. Saves the storage state, piece_picker state as well as all local of a resumed torrent. Saves the storage state, piece_picker state as well as all local
peers in a separate fast-resume file. peers in a separate fast-resume file.
* Supports the extension protocol `described by Nolar`__. See extensions_. * Supports the extension protocol `described by Nolar`__. See extensions_.
* Supports files > 2 gigabytes (currently only on windows) * Supports files > 2 gigabytes (currently only on windows).
* Supports the ``no_peer_id=1`` extension that will ease the load off trackers.
__ http://home.elp.rr.com/tur/multitracker-spec.txt __ http://home.elp.rr.com/tur/multitracker-spec.txt
.. _Azureus: http://azureus.sourceforge.net .. _Azureus: http://azureus.sourceforge.net
@@ -1127,7 +1128,8 @@ as severity level ``debug``.
invalid_request_alert invalid_request_alert
--------------------- ---------------------
Thie is a debug alert that is generated by an incoming invalid piece request. This is a debug alert that is generated by an incoming invalid piece request. It is
generated as severity level ``debug``.
:: ::
@@ -1147,32 +1149,52 @@ Thie is a debug alert that is generated by an incoming invalid piece request.
}; };
torrent_finished_alert
----------------------
chat_message_alert This alert is generated when a torrent switches from being a downloader to a seed.
------------------ It will only be generated once per torrent. It contains a torrent_handle to the
torrent in question. This alert is generated as severity level ``info``.
This alert is generated when you receive a chat message from another peer. Chat messages
are supported as an extension ("chat"). It is generated as severity level ``critical``,
even though it doesn't necessarily require any user intervention, it's high priority
since you would almost never want to ignore such a message. The alert class contain
a torrent_handle_ to the torrent in which the sender-peer is a member and the peer_id
of the sending peer.
:: ::
struct chat_message_alert: alert struct torrent_finished_alert: alert
{ {
chat_message_alert(const torrent_handle& h torrent_finished_alert(
, const peer_id& sender const torrent_handle& h
, const std::string& msg); , const std::string& msg);
virtual std::auto_ptr<alert> clone() const; virtual std::auto_ptr<alert> clone() const;
torrent_handle handle; torrent_handle handle;
peer_id sender;
}; };
.. chat_message_alert
------------------
This alert is generated when you receive a chat message from another peer. Chat messages
are supported as an extension ("chat"). It is generated as severity level ``critical``,
even though it doesn't necessarily require any user intervention, it's high priority
since you would almost never want to ignore such a message. The alert class contain
a torrent_handle_ to the torrent in which the sender-peer is a member and the peer_id
of the sending peer.
::
struct chat_message_alert: alert
{
chat_message_alert(const torrent_handle& h
, const peer_id& sender
, const std::string& msg);
virtual std::auto_ptr<alert> clone() const;
torrent_handle handle;
peer_id sender;
};
dispatcher dispatcher
---------- ----------

1
include/libtorrent/alert_types.hpp
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@@ -122,7 +122,6 @@ namespace libtorrent
peer_request request; peer_request request;
}; };
// TODO: document
struct torrent_finished_alert: alert struct torrent_finished_alert: alert
{ {
torrent_finished_alert( torrent_finished_alert(

1
include/libtorrent/entry.hpp
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@@ -65,7 +65,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <string> #include <string>
#include <stdexcept> #include <stdexcept>
#include <cassert> #include <cassert>
#include <boost/cstdint.hpp>
#include "libtorrent/size_type.hpp" #include "libtorrent/size_type.hpp"

1
include/libtorrent/stat.hpp
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@@ -36,7 +36,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <algorithm> #include <algorithm>
#include <vector> #include <vector>
#include <assert.h> #include <assert.h>
#include <boost/cstdint.hpp>
#include "libtorrent/size_type.hpp" #include "libtorrent/size_type.hpp"

1
include/libtorrent/storage.hpp
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@@ -38,7 +38,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <boost/limits.hpp> #include <boost/limits.hpp>
#include <boost/filesystem/path.hpp> #include <boost/filesystem/path.hpp>
#include <boost/thread.hpp> #include <boost/thread.hpp>
#include <boost/cstdint.hpp>
#include "libtorrent/torrent_info.hpp" #include "libtorrent/torrent_info.hpp"
#include "libtorrent/opaque_value_ptr.hpp" #include "libtorrent/opaque_value_ptr.hpp"

1
include/libtorrent/torrent.hpp
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@@ -42,7 +42,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <boost/limits.hpp> #include <boost/limits.hpp>
#include <boost/filesystem/path.hpp> #include <boost/filesystem/path.hpp>
#include <boost/date_time/posix_time/posix_time.hpp> #include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/cstdint.hpp>
#include "libtorrent/torrent_handle.hpp" #include "libtorrent/torrent_handle.hpp"
#include "libtorrent/entry.hpp" #include "libtorrent/entry.hpp"

1
include/libtorrent/torrent_handle.hpp
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@@ -35,7 +35,6 @@ POSSIBILITY OF SUCH DAMAGE.
#include <vector> #include <vector>
#include <boost/date_time/posix_time/posix_time.hpp> #include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/cstdint.hpp>
#include "libtorrent/peer_id.hpp" #include "libtorrent/peer_id.hpp"
#include "libtorrent/peer_info.hpp" #include "libtorrent/peer_info.hpp"

6
include/libtorrent/torrent_info.hpp
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@@ -36,13 +36,13 @@ POSSIBILITY OF SUCH DAMAGE.
#include <string> #include <string>
#include <vector> #include <vector>
#include <boost/cstdint.hpp> #include <boost/date_time/posix_time/posix_time.hpp>
#include "libtorrent/entry.hpp" #include "libtorrent/entry.hpp"
#include "libtorrent/socket.hpp" #include "libtorrent/socket.hpp"
#include "libtorrent/peer_id.hpp" #include "libtorrent/peer_id.hpp"
#include "libtorrent/size_type.hpp"
#include "boost/date_time/posix_time/posix_time.hpp"
/* /*
* This file declares the following functions: * This file declares the following functions:
@@ -59,7 +59,7 @@ namespace libtorrent
{ {
std::string path; std::string path;
std::string filename; std::string filename;
boost::int64_t size; size_type size;
}; };
struct announce_entry struct announce_entry

4
src/file.cpp
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@@ -59,10 +59,6 @@ namespace libtorrent
const file::seek_mode file::begin(1); const file::seek_mode file::begin(1);
const file::seek_mode file::end(2); const file::seek_mode file::end(2);
// TODO: this implementation will behave strange if
// a file is opened for both reading and writing
// and both read from and written to. Since the
// write-file position isn't updated when reading.
struct file::impl struct file::impl
{ {
impl(): m_open_mode(0) {} impl(): m_open_mode(0) {}

198
src/file_win.cpp
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@@ -1,55 +1,117 @@
#include <windows.h> /*
#include "libtorrent/file.hpp"
Copyright (c) 2003, Magnus Jonsson
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include "libtorrent/file.hpp"
#include <sstream>
#include <windows.h>
#define DWORD_MAX 0xffffffffu #define DWORD_MAX 0xffffffffu
namespace libtorrent { namespace
{
void throw_exception(const char* thrower)
{
char buffer[1024];
int err = GetLastError();
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, err, 0, buffer, 0, 0);
std::stringstream s;
s << thrower << ": " << buffer;
throw libtorrent::file_error(s.str());
}
}
namespace libtorrent
{
struct file::impl : boost::noncopyable struct file::impl : boost::noncopyable
{ {
enum open_flags { read_flag=1, enum open_flags
write_flag=2 }; {
enum seek_mode { seek_begin=FILE_BEGIN, read_flag = 1,
seek_from_here=FILE_CURRENT, write_flag = 2
seek_end=FILE_END }; };
enum seek_mode
{
seek_begin = FILE_BEGIN,
seek_from_here = FILE_CURRENT,
seek_end = FILE_END
};
impl() impl()
{ {
m_file_handle=INVALID_HANDLE_VALUE; m_file_handle = INVALID_HANDLE_VALUE;
} }
void open(const char *file_name, open_flags flags) void open(const char *file_name, open_flags flags)
{ {
assert(file_name); assert(file_name);
assert(flags&(read_flag|write_flag)); assert(flags & (read_flag | write_flag));
DWORD access_mask=0; DWORD access_mask = 0;
if (flags&read_flag) if (flags & read_flag)
access_mask|=GENERIC_READ; access_mask |= GENERIC_READ;
if (flags&write_flag) if (flags & write_flag)
access_mask|=GENERIC_WRITE; access_mask |= GENERIC_WRITE;
assert(access_mask&(GENERIC_READ|GENERIC_WRITE)); assert(access_mask & (GENERIC_READ | GENERIC_WRITE));
HANDLE new_handle=CreateFile(file_name,access_mask,FILE_SHARE_READ,NULL, HANDLE new_handle = CreateFile(
OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL); file_name
, access_mask
, FILE_SHARE_READ
, NULL
, OPEN_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL);
if (new_handle==INVALID_HANDLE_VALUE) if (new_handle == INVALID_HANDLE_VALUE)
{ {
throw file_error("could not open file"); std::stringstream s;
s << "couldn't open file '" << file_name << "'";
throw file_error(s.str());
} }
// will only close old file if the open succeeded // will only close old file if the open succeeded
close(); close();
m_file_handle=new_handle; m_file_handle = new_handle;
} }
void close() void close()
{ {
if (m_file_handle!=INVALID_HANDLE_VALUE) if (m_file_handle != INVALID_HANDLE_VALUE)
{ {
CloseHandle(m_file_handle); CloseHandle(m_file_handle);
m_file_handle=INVALID_HANDLE_VALUE; m_file_handle = INVALID_HANDLE_VALUE;
} }
} }
@@ -61,13 +123,20 @@ namespace libtorrent {
size_type write(const char* buffer, size_type num_bytes) size_type write(const char* buffer, size_type num_bytes)
{ {
assert(buffer); assert(buffer);
assert(num_bytes>0); assert(num_bytes > 0);
assert((DWORD)num_bytes==num_bytes); assert((DWORD)num_bytes == num_bytes);
DWORD bytes_written=0; DWORD bytes_written = 0;
if (num_bytes!=0) if (num_bytes != 0)
{ {
if (FALSE == WriteFile(m_file_handle,buffer,(DWORD)num_bytes,&bytes_written,NULL)) if (FALSE == WriteFile(
throw file_error("file::impl::write: couldn't write to file"); m_file_handle
, buffer
, (DWORD)num_bytes
, &bytes_written
, NULL))
{
throw_exception("file::write");
}
} }
return bytes_written; return bytes_written;
} }
@@ -75,59 +144,84 @@ namespace libtorrent {
size_type read(char* buffer, size_type num_bytes) size_type read(char* buffer, size_type num_bytes)
{ {
assert(buffer); assert(buffer);
assert(num_bytes>0); assert(num_bytes > 0);
assert((DWORD)num_bytes==num_bytes); assert((DWORD)num_bytes == num_bytes);
DWORD bytes_read=0; DWORD bytes_read = 0;
if (num_bytes!=0) if (num_bytes != 0)
{ {
if (FALSE == ReadFile(m_file_handle,buffer,(DWORD)num_bytes,&bytes_read,NULL)) if (FALSE == ReadFile(
throw file_error("file::impl::read: couldn't write to file"); m_file_handle
, buffer
, (DWORD)num_bytes
, &bytes_read
, NULL))
{
throw_exception("file::read");
}
} }
return bytes_read; return bytes_read;
} }
void seek(size_type pos, seek_mode from_where) void seek(size_type pos, seek_mode from_where)
{ {
assert(pos>=0); assert(pos >= 0);
LARGE_INTEGER offs; LARGE_INTEGER offs;
offs.QuadPart=pos; offs.QuadPart = pos;
// FILE_CURRENT // FILE_CURRENT
// FILE_END // FILE_END
if (FALSE == SetFilePointerEx(m_file_handle,offs,&offs,from_where)) if (FALSE == SetFilePointerEx(
throw file_error("file::impl::seek: error"); m_file_handle
, offs
, &offs
, from_where))
{
throw_exception("file::seek");
}
} }
size_type tell() size_type tell()
{ {
LARGE_INTEGER offs; LARGE_INTEGER offs;
offs.QuadPart=0; offs.QuadPart = 0;
// is there any other way to get offset? // is there any other way to get offset?
if (FALSE == SetFilePointerEx(m_file_handle,offs,&offs,FILE_CURRENT)) if (FALSE == SetFilePointerEx(
throw file_error("file::impl::tell: error"); m_file_handle
, offs
, &offs
, FILE_CURRENT))
{
throw_exception("file::tell");
}
size_type pos=offs.QuadPart; size_type pos=offs.QuadPart;
assert(pos>=0); assert(pos>=0);
return pos; return pos;
} }
/*
size_type size() size_type size()
{ {
LARGE_INTEGER s; LARGE_INTEGER s;
if (FALSE == GetFileSizeEx(m_file_handle,&s)) if (FALSE == GetFileSizeEx(m_file_handle, &s))
throw file_error("file::impl::size: error"); {
throw_exception("file::size");
}
size_type size=s.QuadPart; size_type size = s.QuadPart;
assert(size>=0); assert(size >= 0);
return size; return size;
} }
*/
private: private:
HANDLE m_file_handle; HANDLE m_file_handle;
}; };
} }
namespace libtorrent { namespace libtorrent
{
const file::seek_mode file::begin(file::impl::seek_begin); const file::seek_mode file::begin(file::impl::seek_begin);
const file::seek_mode file::end(file::impl::seek_end); const file::seek_mode file::end(file::impl::seek_end);
@@ -151,7 +245,7 @@ namespace libtorrent {
void file::open(boost::filesystem::path const& p, open_mode m) void file::open(boost::filesystem::path const& p, open_mode m)
{ {
m_impl->open(p.native_file_string().c_str(),impl::open_flags(m.m_mask)); m_impl->open(p.native_file_string().c_str(), impl::open_flags(m.m_mask));
} }
void file::close() void file::close()
@@ -161,12 +255,12 @@ namespace libtorrent {
size_type file::write(const char* buffer, size_type num_bytes) size_type file::write(const char* buffer, size_type num_bytes)
{ {
return m_impl->write(buffer,num_bytes); return m_impl->write(buffer, num_bytes);
} }
size_type file::read(char* buffer, size_type num_bytes) size_type file::read(char* buffer, size_type num_bytes)
{ {
return m_impl->read(buffer,num_bytes); return m_impl->read(buffer, num_bytes);
} }
void file::seek(size_type pos, seek_mode m) void file::seek(size_type pos, seek_mode m)
@@ -178,4 +272,4 @@ namespace libtorrent {
{ {
return m_impl->tell(); return m_impl->tell();
} }
} }

6
src/peer_connection.cpp
View File

@@ -680,7 +680,7 @@ namespace libtorrent
m_torrent->filesystem().write(&m_recv_buffer[9], p.piece, p.start, p.length); m_torrent->filesystem().write(&m_recv_buffer[9], p.piece, p.start, p.length);
bool was_seed = is_seed(); bool was_seed = m_torrent->is_seed();
picker.mark_as_finished(block_finished, m_socket->sender()); picker.mark_as_finished(block_finished, m_socket->sender());
@@ -702,10 +702,10 @@ namespace libtorrent
} }
m_torrent->get_policy().piece_finished(p.piece, verified); m_torrent->get_policy().piece_finished(p.piece, verified);
if (!was_seed && is_seed()) if (!was_seed && m_torrent->is_seed())
{ {
assert(verified); assert(verified);
if (m_torrent->alerts().should_post(alert::warning)) if (m_torrent->alerts().should_post(alert::info))
{ {
m_torrent->alerts().post_alert(torrent_finished_alert( m_torrent->alerts().post_alert(torrent_finished_alert(
m_torrent->get_handle() m_torrent->get_handle()