mirror of
https://github.com/transmission/transmission
synced 2024-12-24 08:43:27 +00:00
partial implementation of json-ipc backend: torrent start/stop/close/verify/stat/info, as are getting & setting per-torrent peer limits, upload speeds, and download speeds. this is a work in progress.
This commit is contained in:
parent
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commit
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6 changed files with 462 additions and 27 deletions
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@ -12,7 +12,7 @@
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2. Message Format
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The entire protocol is formatted in a subset of JSON that understands
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Messages are formatted in a subset of JSON that understands
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arrays, maps, strings, and whole numbers with no exponentials --
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in short, the subset of JSON easily represented in benc.
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floating-point numbers are represented as strings.
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@ -20,7 +20,7 @@
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There are only two message types: request and response. Both
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are JSON objects with two members: "headers" (described in 2.1)
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and "body" (described in 2.2-2.3).
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and "body" (described in 2.2 - 2.3).
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2.1. Headers
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@ -45,21 +45,17 @@
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3. Torrent Requests
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3.1. Common Arguments
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Most torrent requests support an "ids" argument, which is a list
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containing unique torrent ids, or torrent sha1 hash strings, or both.
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These are the torrents that the request will be applied to.
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If "ids" is omitted, the request is applied to all torrents.
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3.2. Torrent Action Requests
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3.1. Torrent Action Requests
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Request names: "torrent-start", "torrent-stop",
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"torrent-remove", "torrent-verify"
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Request arguments: 3.1's optional "ids" argument.
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Request arguments: "ids", a list of unique torrent ids, sha1 hash strings,
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or both. These are the torrents that the request will
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be applied to. If "ids" is ommitted, the request is
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applied to all torrents.
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Response arguments: none.
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3.3. Torrent Info Requests
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3.2. Torrent Info Requests
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Request name: "torrent-info".
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Request arguments: 3.1's optional "ids" argument.
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@ -118,7 +114,7 @@
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}
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}
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3.4. Torrent Status Requests
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3.3. Torrent Status Requests
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Request name is "torrent-status".
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Request arguments: 3.1's optional "ids" argument.
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@ -130,7 +126,7 @@
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(2) a new string, "announce-url", is added
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(3) a new string, "scrape-url", is added
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3.5. Adding a Torrent
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3.4. Adding a Torrent
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Request name: "torrent-add"
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Request arguments:
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@ -146,55 +142,58 @@
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The "filename" argument is required; all others are optional.
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Response arguments: 3.1's "error" if the request failed.
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Response arguments: none.
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3.6. Other torrent settings
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3.5. Other torrent settings
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Common arguments:
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string | value type & description
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-------------------+-------------------------------------------------
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"id" | int or string torrent id or hash string
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"max-peers" | int maximum number of peers
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"speed-limit-down" | int maximum download speed (in KiB/s)
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"speed-limit-up" | int maximum upload speed (in KiB/s)
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3.6.1. Mutators
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3.5.1. Mutators
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Request name: "torrent-set"
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Request arguments: "id" from 3.6, plus one or more of 3.6's other arguments
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Request arguments: 3.1's "ids", plus one or more of 3.5's arguments
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Response arguments: none
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3.6.2. Accessors
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3.5.2. Accessors
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Request name: "torrent-get"
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Request arguments: none
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Response arguments: all of 3.6's arguments
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Response arguments: "torrents", a list of torrent objects containing
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all of 3.5's arguments plus the id passed in
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by "torrent-set".
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3.7 File Priorities
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3.6 File Priorities
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Common arguments:
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string | value type & description
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-------------------+-------------------------------------------------
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"id" | int or string torrent id or hash string
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"priority-high" | array indices of one or more high-priority files
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"priority-low" | array indices of one or more low-priority files
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"priority-normal" | array indices of one or more normal-priority files
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"download" | array indices of one or more file to download
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"no-download" | array indices of one or more file to not download
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3.7.1. Mutators
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3.6.1. Mutators
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Request name: "torrent-set-file"
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Request arguments: "id" from 3.7, plus one or more of 3.7's other arguments
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Request arguments: 3.1's "ids", plus one or more of 3.6's arguments
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Response arguments: none
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3.7.2. Accessors
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3.6.2. Accessors
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Request name: "torrent-get-file"
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Request arguments: none
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Response arguments: all of 3.7's arguments
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Response arguments: list of objects, one per torrent, containing
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all of 3.6's arguments plus the id passed in
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by "torrent-set".
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4. Session Status Requests
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@ -16,6 +16,7 @@ libtransmission_a_SOURCES = \
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ggets.c \
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handshake.c \
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inout.c \
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ipc.c \
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ipcparse.c \
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json.c \
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list.c \
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ggets.h \
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handshake.h \
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inout.h \
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ipc.h \
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ipcparse.h \
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list.h \
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makemeta.h \
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380
libtransmission/ipc.c
Normal file
380
libtransmission/ipc.c
Normal file
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/*
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* This file Copyright (C) 2008 Charles Kerr <charles@rebelbase.com>
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*
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* This file is licensed by the GPL version 2. Works owned by the
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* Transmission project are granted a special exemption to clause 2(b)
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* so that the bulk of its code can remain under the MIT license.
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* This exemption does not extend to derived works not owned by
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* the Transmission project.
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*
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* $Id:$
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*/
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#include "transmission.h"
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#include "bencode.h"
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#include "ipc.h"
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#include "torrent.h"
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#include "utils.h"
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/***
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****
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***/
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static tr_torrent **
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getTorrents( tr_handle * handle, tr_benc * args, int * setmeCount )
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{
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tr_torrent ** torrents = NULL;
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int torrentCount = 0;
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tr_benc * ids;
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if( tr_bencDictFindList( args, "ids", &ids ) )
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{
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int i;
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const int n = tr_bencListSize( ids );
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torrents = tr_new0( tr_torrent*, n );
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for( i=0; i<n; ++i )
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{
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tr_torrent * tor = NULL;
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tr_benc * node = tr_bencListChild( ids, i );
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int64_t id;
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const char * str;
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if( tr_bencGetInt( node, &id ) )
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tor = tr_torrentFindFromId( handle, id );
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else if( tr_bencGetStr( node, &str ) )
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tor = tr_torrentFindFromHashString( handle, str );
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if( tor )
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torrents[torrentCount++] = tor;
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}
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}
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else /* all of them */
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{
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tr_torrent * tor = NULL;
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const int n = tr_torrentCount( handle );
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torrents = tr_new0( tr_torrent*, n );
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while(( tor = tr_torrentNext( handle, tor )))
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torrents[torrentCount++] = tor;
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}
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*setmeCount = torrentCount;
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return torrents;
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}
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static const char*
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torrentStart( tr_handle * handle, tr_benc * args_in, tr_benc * args_out UNUSED )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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for( i=0; i<torrentCount; ++i )
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tr_torrentStart( torrents[i] );
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tr_free( torrents );
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return NULL;
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}
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static const char*
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torrentStop( tr_handle * handle, tr_benc * args_in, tr_benc * args_out UNUSED )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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for( i=0; i<torrentCount; ++i )
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tr_torrentStop( torrents[i] );
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tr_free( torrents );
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return NULL;
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}
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static const char*
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torrentClose( tr_handle * handle, tr_benc * args_in, tr_benc * args_out UNUSED )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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for( i=0; i<torrentCount; ++i )
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tr_torrentClose( torrents[i] );
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tr_free( torrents );
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return NULL;
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}
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static const char*
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torrentVerify( tr_handle * handle, tr_benc * args_in, tr_benc * args_out UNUSED )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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for( i=0; i<torrentCount; ++i )
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tr_torrentVerify( torrents[i] );
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tr_free( torrents );
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return NULL;
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}
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static const char*
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torrentStatus( tr_handle * handle, tr_benc * args_in, tr_benc * args_out )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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tr_benc * list = tr_bencDictAddList( args_out, "status", torrentCount );
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for( i=0; i<torrentCount; ++i )
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{
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tr_torrent * tor = torrents[i];
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const tr_stat * st = tr_torrentStat( tor );
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tr_benc * d = tr_bencListAddDict( list, 32 );
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tr_benc * t;
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tr_bencDictAddInt( d, "id", tor->uniqueId );
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tr_bencDictAddInt( d, "status", st->status );
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tr_bencDictAddInt( d, "error", st->error );
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tr_bencDictAddStr( d, "errorString", st->errorString );
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tr_bencDictAddDouble( d, "recheckProgress", st->recheckProgress );
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tr_bencDictAddDouble( d, "percentComplete", st->percentComplete );
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tr_bencDictAddDouble( d, "percentDone", st->percentDone );
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tr_bencDictAddDouble( d, "rateDownload", st->rateDownload );
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tr_bencDictAddDouble( d, "rateUpload", st->rateUpload );
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tr_bencDictAddDouble( d, "swarmspeed", st->swarmspeed );
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tr_bencDictAddDouble( d, "ratio", st->ratio );
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tr_bencDictAddInt( d, "eta", st->eta );
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tr_bencDictAddInt( d, "peersKnown", st->peersKnown );
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tr_bencDictAddInt( d, "peersConnected", st->peersConnected );
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tr_bencDictAddInt( d, "peersSendingToUs", st->peersSendingToUs );
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tr_bencDictAddInt( d, "peersGettingFromUs", st->peersGettingFromUs );
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tr_bencDictAddInt( d, "seeders", st->seeders );
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tr_bencDictAddInt( d, "leechers", st->leechers );
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tr_bencDictAddInt( d, "completedFromTracker", st->completedFromTracker );
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tr_bencDictAddInt( d, "manualAnnounceTime", st->manualAnnounceTime );
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tr_bencDictAddInt( d, "sizeWhenDone", st->sizeWhenDone );
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tr_bencDictAddInt( d, "leftUntilDone", st->leftUntilDone );
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tr_bencDictAddInt( d, "desiredAvailable", st->desiredAvailable );
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tr_bencDictAddInt( d, "corruptEver", st->corruptEver );
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tr_bencDictAddInt( d, "uploadedEver", st->uploadedEver );
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tr_bencDictAddInt( d, "downloadedEver", st->downloadedEver );
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tr_bencDictAddInt( d, "haveValid", st->haveValid );
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tr_bencDictAddInt( d, "haveUnchecked", st->haveUnchecked );
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tr_bencDictAddInt( d, "startDate", st->startDate );
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tr_bencDictAddInt( d, "activityDate", st->activityDate );
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t = tr_bencDictAddDict( d, "peersFrom", 4 );
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tr_bencDictAddInt( t, "cache", st->peersFrom[TR_PEER_FROM_CACHE] );
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tr_bencDictAddInt( t, "incoming", st->peersFrom[TR_PEER_FROM_INCOMING] );
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tr_bencDictAddInt( t, "pex", st->peersFrom[TR_PEER_FROM_PEX] );
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tr_bencDictAddInt( t, "tracker", st->peersFrom[TR_PEER_FROM_TRACKER] );
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t = tr_bencDictAddDict( d, "tracker_stat", 7 );
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tr_bencDictAddStr( t, "scrapeResponse", st->tracker_stat.scrapeResponse );
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tr_bencDictAddStr( t, "announceResponse", st->tracker_stat.announceResponse );
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tr_bencDictAddInt( t, "lastScrapeTime", st->tracker_stat.lastScrapeTime );
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tr_bencDictAddInt( t, "nextScrapeTime", st->tracker_stat.nextScrapeTime );
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tr_bencDictAddInt( t, "lastAnnounceTime", st->tracker_stat.lastAnnounceTime );
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tr_bencDictAddInt( t, "nextAnnounceTime", st->tracker_stat.nextAnnounceTime );
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tr_bencDictAddInt( t, "nextManualAnnounceTime", st->tracker_stat.nextManualAnnounceTime );
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}
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/* cleanup */
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tr_free( torrents );
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return NULL;
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}
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static void
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addFiles( const tr_info * info, tr_benc * files )
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{
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unsigned int i;
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for( i=0; i<info->fileCount; ++i )
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{
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const tr_file * file = &info->files[i];
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tr_benc * d = tr_bencListAddDict( files, 4 );
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tr_bencDictAddInt( d, "length", file->length );
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tr_bencDictAddStr( d, "name", file->name );
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tr_bencDictAddInt( d, "priority", file->priority );
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tr_bencDictAddInt( d, "dnd", file->dnd );
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}
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}
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static void
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addTrackers( const tr_info * info, tr_benc * trackers )
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{
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int i;
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for( i=0; i<info->trackerCount; ++i )
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{
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const tr_tracker_info * t = &info->trackers[i];
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tr_benc * d = tr_bencListAddDict( trackers, 3 );
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tr_bencDictAddInt( d, "tier", t->tier );
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tr_bencDictAddStr( d, "announce", t->announce );
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tr_bencDictAddStr( d, "scrape", t->scrape );
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}
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}
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static const char*
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torrentInfo( tr_handle * handle, tr_benc * args_in, tr_benc * args_out )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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tr_benc * list = tr_bencDictAddList( args_out, "status", torrentCount );
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for( i=0; i<torrentCount; ++i )
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{
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tr_torrent * tor = torrents[i];
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const tr_info * inf = tr_torrentInfo( tor );
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tr_benc * d = tr_bencListAddDict( list, 13 );
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tr_bencDictAddStr( d, "torrent", inf->torrent );
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tr_bencDictAddStr( d, "hashString", inf->hashString );
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tr_bencDictAddStr( d, "name", inf->name );
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tr_bencDictAddStr( d, "comment", inf->comment ? inf->comment : "" );
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tr_bencDictAddStr( d, "creator", inf->creator ? inf->creator : "" );
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tr_bencDictAddInt( d, "isPrivate", inf->isPrivate );
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tr_bencDictAddInt( d, "isMultifile", inf->isMultifile );
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tr_bencDictAddInt( d, "dateCreated", inf->dateCreated );
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tr_bencDictAddInt( d, "pieceSize", inf->pieceSize );
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tr_bencDictAddInt( d, "pieceCount", inf->pieceCount );
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tr_bencDictAddInt( d, "totalSize", inf->totalSize );
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addFiles ( inf, tr_bencDictAddList( d, "files", inf->fileCount ) );
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addTrackers( inf, tr_bencDictAddList( d, "files", inf->trackerCount ) );
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}
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/* cleanup */
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tr_free( torrents );
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return NULL;
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}
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static const char*
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torrentGet( tr_handle * handle, tr_benc * args_in, tr_benc * args_out )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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tr_benc * list = tr_bencDictAddList( args_out, "torrents", torrentCount );
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for( i=0; i<torrentCount; ++i )
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{
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tr_torrent * tor = torrents[i];
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tr_benc * d = tr_bencListAddDict( list, 3 );
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tr_bencDictAddInt( d, "max-peers", tr_torrentGetMaxConnectedPeers( tor ) );
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tr_bencDictAddInt( d, "speed-limit-down", tr_torrentGetSpeedLimit( tor, TR_DOWN ) );
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tr_bencDictAddInt( d, "speed-limit-up", tr_torrentGetSpeedLimit( tor, TR_UP ) );
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}
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tr_free( torrents );
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return NULL;
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}
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static const char*
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torrentSet( tr_handle * handle, tr_benc * args_in, tr_benc * args_out UNUSED )
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{
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int i, torrentCount;
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tr_torrent ** torrents = getTorrents( handle, args_in, &torrentCount );
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for( i=0; i<torrentCount; ++i )
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{
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int64_t tmp;
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tr_torrent * tor = torrents[i];
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if( tr_bencDictFindInt( args_in, "max-peers", &tmp ) )
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tr_torrentSetMaxConnectedPeers( tor, tmp );
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if( tr_bencDictFindInt( args_in, "speed-limit-down", &tmp ) )
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tr_torrentSetSpeedLimit( tor, TR_DOWN, tmp );
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||||
if( tr_bencDictFindInt( args_in, "speed-limit-up", &tmp ) )
|
||||
tr_torrentSetSpeedLimit( tor, TR_UP, tmp );
|
||||
}
|
||||
|
||||
tr_free( torrents );
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char*
|
||||
torrentGetFile( tr_handle * handle UNUSED, tr_benc * args_in UNUSED, tr_benc * args_out UNUSED )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char*
|
||||
torrentSetFile( tr_handle * handle UNUSED, tr_benc * args_in UNUSED, tr_benc * args_out UNUSED )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char*
|
||||
sessionSet( tr_handle * handle UNUSED, tr_benc * args_in UNUSED, tr_benc * args_out UNUSED )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char*
|
||||
sessionGet( tr_handle * handle UNUSED, tr_benc * args_in UNUSED, tr_benc * args_out UNUSED )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char*
|
||||
torrentAdd( tr_handle * handle UNUSED, tr_benc * args_in UNUSED, tr_benc * args_out UNUSED )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/***
|
||||
****
|
||||
***/
|
||||
|
||||
static char*
|
||||
request_exec( struct tr_handle * handle,
|
||||
tr_benc * request,
|
||||
int * response_len )
|
||||
{
|
||||
int64_t i;
|
||||
const char * str;
|
||||
char * out;
|
||||
tr_benc response;
|
||||
tr_benc * headers_in = NULL;
|
||||
tr_benc * body_in = NULL;
|
||||
tr_benc * args_in = NULL;
|
||||
tr_benc * headers_out = NULL;
|
||||
tr_benc * body_out = NULL;
|
||||
tr_benc * args_out = NULL;
|
||||
const char * result = NULL;
|
||||
|
||||
headers_in = tr_bencDictFind( request, "headers" );
|
||||
body_in = tr_bencDictFind( request, "body" );
|
||||
args_in = tr_bencDictFind( body_in, "args" );
|
||||
|
||||
/* build the response skeleton */
|
||||
tr_bencInitDict( &response, 2 );
|
||||
headers_out = tr_bencDictAddDict( &response, "headers", 2 );
|
||||
tr_bencDictAddStr( headers_out, "type", "response" );
|
||||
if( tr_bencDictFindInt( headers_in, "tag", &i ) )
|
||||
tr_bencDictAddInt( headers_out, "tag", i );
|
||||
body_out = tr_bencDictAddDict( &response, "body", 2 );
|
||||
args_out = tr_bencDictAddDict( body_out, "args", 0 );
|
||||
|
||||
/* parse the request */
|
||||
if( !tr_bencDictFindStr( body_in, "name", &str ) )
|
||||
result = "no request name given";
|
||||
else {
|
||||
if( !strcmp( str, "torrent-start" ) ) result = torrentStart ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-stop" ) ) result = torrentStop ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-close" ) ) result = torrentClose ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-verify" ) ) result = torrentVerify ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-status" ) ) result = torrentStatus ( handle, args_in, args_out );
|
||||
|
||||
else if( !strcmp( str, "torrent-info" ) ) result = torrentInfo ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-add" ) ) result = torrentAdd ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-set" ) ) result = torrentSet ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-get" ) ) result = torrentGet ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-set-file" ) ) result = torrentSetFile( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "torrent-get-file" ) ) result = torrentGetFile( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "session-set" ) ) result = sessionSet ( handle, args_in, args_out );
|
||||
else if( !strcmp( str, "session-get" ) ) result = sessionGet ( handle, args_in, args_out );
|
||||
else result = "request name not recognized";
|
||||
}
|
||||
|
||||
if( !result )
|
||||
result = "success";
|
||||
tr_bencDictAddStr( body_out, "result", result );
|
||||
out = tr_bencSave( &response, response_len ); /* TODO: json, not benc */
|
||||
tr_bencFree( &response );
|
||||
return out;
|
||||
}
|
||||
|
||||
char*
|
||||
tr_ipc_request_exec( struct tr_handle * handle,
|
||||
const void * request_json,
|
||||
int request_len,
|
||||
int * response_len )
|
||||
{
|
||||
tr_benc top;
|
||||
int have_content = !tr_jsonParse( request_json, (const char*)request_json + request_len, &top, NULL );
|
||||
char * ret = request_exec( handle, have_content ? &top : NULL, response_len );
|
||||
if( have_content )
|
||||
tr_bencFree( &top );
|
||||
return ret;
|
||||
}
|
24
libtransmission/ipc.h
Normal file
24
libtransmission/ipc.h
Normal file
|
@ -0,0 +1,24 @@
|
|||
/*
|
||||
* This file Copyright (C) 2008 Charles Kerr <charles@rebelbase.com>
|
||||
*
|
||||
* This file is licensed by the GPL version 2. Works owned by the
|
||||
* Transmission project are granted a special exemption to clause 2(b)
|
||||
* so that the bulk of its code can remain under the MIT license.
|
||||
* This exemption does not extend to derived works not owned by
|
||||
* the Transmission project.
|
||||
*
|
||||
* $Id:$
|
||||
*/
|
||||
|
||||
#ifndef TR_IPC_H
|
||||
#define TR_IPC_H
|
||||
|
||||
struct tr_handle;
|
||||
|
||||
char*
|
||||
tr_ipc_request_exec( struct tr_handle * handle,
|
||||
const void * request_json,
|
||||
int request_len,
|
||||
int * response_len );
|
||||
|
||||
#endif
|
|
@ -53,6 +53,30 @@
|
|||
****
|
||||
***/
|
||||
|
||||
tr_torrent*
|
||||
tr_torrentFindFromId( tr_handle * handle, int id )
|
||||
{
|
||||
tr_torrent * tor = NULL;
|
||||
|
||||
while(( tor = tr_torrentNext( handle, tor )))
|
||||
if( tor->uniqueId == id )
|
||||
return tor;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
tr_torrent*
|
||||
tr_torrentFindFromHashString( tr_handle * handle, const char * str )
|
||||
{
|
||||
tr_torrent * tor = NULL;
|
||||
|
||||
while(( tor = tr_torrentNext( handle, tor )))
|
||||
if( !strcmp( str, tor->info.hashString ) )
|
||||
return tor;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int
|
||||
tr_torrentExists( const tr_handle * handle,
|
||||
const uint8_t * torrentHash )
|
||||
|
@ -368,10 +392,12 @@ torrentRealInit( tr_handle * h,
|
|||
uint64_t loaded;
|
||||
uint64_t t;
|
||||
tr_info * info = &tor->info;
|
||||
static int nextUniqueId = 1;
|
||||
|
||||
tr_globalLock( h );
|
||||
|
||||
tor->handle = h;
|
||||
tor->uniqueId = nextUniqueId++;
|
||||
|
||||
randomizeTiers( info );
|
||||
|
||||
|
|
|
@ -49,7 +49,9 @@ int tr_torrentIsSeed ( const tr_torrent * );
|
|||
void tr_torrentChangeMyPort ( tr_torrent * );
|
||||
|
||||
int tr_torrentExists( const tr_handle *, const uint8_t * );
|
||||
tr_torrent* tr_torrentFindFromId( tr_handle *, int id );
|
||||
tr_torrent* tr_torrentFindFromHash( tr_handle *, const uint8_t * );
|
||||
tr_torrent* tr_torrentFindFromHashString( tr_handle *, const char * );
|
||||
tr_torrent* tr_torrentFindFromObfuscatedHash( tr_handle *, const uint8_t* );
|
||||
|
||||
void tr_torrentGetRates( const tr_torrent *, float * toClient, float * toPeer );
|
||||
|
@ -178,6 +180,8 @@ struct tr_torrent
|
|||
tr_stat stats;
|
||||
|
||||
tr_torrent * next;
|
||||
|
||||
int uniqueId;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in a new issue