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1. Introduction
This document describes a protocol for interacting with Transmission
sessions remotely.
1.1 Terminology
The JSON terminology in RFC 4627 is used.
JSON is fairly common now, but for the benefit of
torrent developers familiar with benc:
a JSON array is equivalent to a benc list,
a JSON object is equivalent to a benc dictionary,
and a JSON object's keys are the dictionary's string keys.
1.2 Resources
The command-line utility "transmission-remote" uses this RPC API.
Several developers have reported using its --debug JSON output as
a reference when developing/debugging their own code.
2. Message Format
Messages are formatted as objects. There are two types:
requests (described in 2.1) and responses (described in 2.2).
All text MUST be UTF-8 encoded.
2.1. Requests
Requests support three keys:
(1) A required "method" string telling the name of the method to invoke
(2) An optional "arguments" object of key/value pairs
(3) An optional "tag" number used by clients to track responses.
If provided by a request, the response MUST include the same tag.
2.2. Responses
Responses support three keys:
(1) A required "result" string whose value MUST be "success" on success,
or an error string on failure.
(2) An optional "arguments" object of key/value pairs
(3) An optional "tag" number as described in 2.1.
2.3. Transport Mechanism
HTTP POSTing a JSON-encoded request is the preferred way of communicating
with a Transmission RPC server. The current Transmission implementation
has the default URL as http://host:9091/transmission/rpc. Clients
may use this as a default, but should allow the URL to be reconfigured,
since the port and path may be changed to allow mapping and/or multiple
daemons to run on a single server.
2.3.1. CSRF Protection
Most Transmission RPC servers require a X-Transmission-Session-Id
header to be sent with requests, to prevent CSRF attacks.
When your request has the wrong id -- such as when you send your first
request, or when the server expires the CSRF token -- the
Transmission RPC server will return an HTTP 409 error with the
right X-Transmission-Session-Id in its own headers.
So, the correct way to handle a 409 response is to update your
X-Transmission-Session-Id and to resend the previous request.
2.3.2. DNS Rebinding Protection
Additional check is being made on each RPC request to make sure that the
client sending the request does so using one of the allowed hostnames by
which RPC server is meant to be available.
If host whitelisting is enabled (which is true by default), Transmission
inspects the "Host:" HTTP header value (with port stripped, if any) and
matches it to one of the whitelisted names. Regardless of host whitelist
content, "localhost" and "localhost." domain names as well as all the IP
addresses are always implicitly allowed.
For more information on configuration, see settings.json documentation for
"rpc-host-whitelist-enabled" and "rpc-host-whitelist" keys.
3. Torrent Requests
3.1. Torrent Action Requests
Method name | libtransmission function
---------------------+-------------------------------------------------
"torrent-start" | tr_torrentStart
"torrent-start-now" | tr_torrentStartNow
"torrent-stop" | tr_torrentStop
"torrent-verify" | tr_torrentVerify
"torrent-reannounce" | tr_torrentManualUpdate ("ask tracker for more peers")
Request arguments: "ids", which specifies which torrents to use.
All torrents are used if the "ids" argument is omitted.
"ids" should be one of the following:
(1) an integer referring to a torrent id
(2) a list of torrent id numbers, sha1 hash strings, or both
(3) a string, "recently-active", for recently-active torrents
Response arguments: none
3.2. Torrent Mutators
Method name: "torrent-set"
Request arguments:
string | value type & description
----------------------+-------------------------------------------------
"bandwidthPriority" | number this torrent's bandwidth tr_priority_t
"downloadLimit" | number maximum download speed (KBps)
"downloadLimited" | boolean true if "downloadLimit" is honored
"files-wanted" | array indices of file(s) to download
"files-unwanted" | array indices of file(s) to not download
"honorsSessionLimits" | boolean true if session upload limits are honored
"ids" | array torrent list, as described in 3.1
"labels" | array array of string labels
"location" | string new location of the torrent's content
"peer-limit" | number maximum number of peers
"priority-high" | array indices of high-priority file(s)
"priority-low" | array indices of low-priority file(s)
"priority-normal" | array indices of normal-priority file(s)
"queuePosition" | number position of this torrent in its queue [0...n)
"seedIdleLimit" | number torrent-level number of minutes of seeding inactivity
"seedIdleMode" | number which seeding inactivity to use. See tr_idlelimit
"seedRatioLimit" | double torrent-level seeding ratio
"seedRatioMode" | number which ratio to use. See tr_ratiolimit
"trackerAdd" | array strings of announce URLs to add
"trackerRemove" | array ids of trackers to remove
"trackerReplace" | array pairs of <trackerId/new announce URLs>
"uploadLimit" | number maximum upload speed (KBps)
"uploadLimited" | boolean true if "uploadLimit" is honored
Just as an empty "ids" value is shorthand for "all ids", using an empty array
for "files-wanted", "files-unwanted", "priority-high", "priority-low", or
"priority-normal" is shorthand for saying "all files".
Response arguments: none
3.3. Torrent Accessors
Method name: "torrent-get".
Request arguments:
(1) An optional "ids" array as described in 3.1.
(2) A required "fields" array of keys. (see list below)
(3) An optional "format" string specifying how to format the
"torrents" response field. Allowed values are "objects" (default)
and "table". (see "Response arguments" below)
Response arguments:
(1) A "torrents" array.
If the "format" request was "objects" (default), "torrents" will
be an array of objects, each of which contains the key/value
pairs matching the request's "fields" arg. This was the only
format before Transmission 3 and has some obvious programmer
conveniences, such as parsing directly into Javascript objects.
If the format was "table", then "torrents" will be an array of
arrays. The first row holds the keys and each remaining row holds
a torrent's values for those keys. This format is more efficient
in terms of JSON generation and JSON parsing.
(2) If the request's "ids" field was "recently-active",
a "removed" array of torrent-id numbers of recently-removed
torrents.
Note: For more information on what these fields mean, see the comments
in libtransmission/transmission.h. The "source" column here
corresponds to the data structure there.
key | type | source
----------------------------+-----------------------------+---------
activityDate | number | tr_stat
addedDate | number | tr_stat
bandwidthPriority | number | tr_priority_t
comment | string | tr_info
corruptEver | number | tr_stat
creator | string | tr_info
dateCreated | number | tr_info
desiredAvailable | number | tr_stat
doneDate | number | tr_stat
downloadDir | string | tr_torrent
downloadedEver | number | tr_stat
downloadLimit | number | tr_torrent
downloadLimited | boolean | tr_torrent
editDate | number | tr_stat
error | number | tr_stat
errorString | string | tr_stat
eta | number | tr_stat
etaIdle | number | tr_stat
files | array (see below) | n/a
fileStats | array (see below) | n/a
hashString | string | tr_info
haveUnchecked | number | tr_stat
haveValid | number | tr_stat
honorsSessionLimits | boolean | tr_torrent
id | number | tr_torrent
isFinished | boolean | tr_stat
isPrivate | boolean | tr_torrent
isStalled | boolean | tr_stat
labels | array (see below) | tr_torrent
leftUntilDone | number | tr_stat
magnetLink | string | n/a
manualAnnounceTime | number | tr_stat
maxConnectedPeers | number | tr_torrent
metadataPercentComplete | double | tr_stat
name | string | tr_info
peer-limit | number | tr_torrent
peers | array (see below) | n/a
peersConnected | number | tr_stat
peersFrom | object (see below) | n/a
peersGettingFromUs | number | tr_stat
peersSendingToUs | number | tr_stat
percentDone | double | tr_stat
pieces | string (see below) | tr_torrent
pieceCount | number | tr_info
pieceSize | number | tr_info
priorities | array (see below) | n/a
queuePosition | number | tr_stat
rateDownload (B/s) | number | tr_stat
rateUpload (B/s) | number | tr_stat
recheckProgress | double | tr_stat
secondsDownloading | number | tr_stat
secondsSeeding | number | tr_stat
seedIdleLimit | number | tr_torrent
seedIdleMode | number | tr_inactvelimit
seedRatioLimit | double | tr_torrent
seedRatioMode | number | tr_ratiolimit
sizeWhenDone | number | tr_stat
startDate | number | tr_stat
status | number | tr_stat
trackers | array (see below) | n/a
trackerStats | array (see below) | n/a
totalSize | number | tr_info
torrentFile | string | tr_info
uploadedEver | number | tr_stat
uploadLimit | number | tr_torrent
uploadLimited | boolean | tr_torrent
uploadRatio | double | tr_stat
wanted | array (see below) | n/a
webseeds | array (see below) | n/a
webseedsSendingToUs | number | tr_stat
| |
| |
-------------------+--------+-----------------------------+
files | array of objects, each containing: |
+-------------------------+------------+
| bytesCompleted | number | tr_torrent
| length | number | tr_info
| name | string | tr_info
-------------------+--------------------------------------+
fileStats | a file's non-constant properties. |
| array of tr_info.filecount objects, |
| each containing: |
+-------------------------+------------+
| bytesCompleted | number | tr_torrent
| wanted | boolean | tr_info
| priority | number | tr_info
-------------------+--------------------------------------+
labels | an array of strings: |
+-------------------------+------------+
| label | string | tr_torrent
-------------------+--------------------------------------+
peers | array of objects, each containing: |
+-------------------------+------------+
| address | string | tr_peer_stat
| clientName | string | tr_peer_stat
| clientIsChoked | boolean | tr_peer_stat
| clientIsInterested | boolean | tr_peer_stat
| flagStr | string | tr_peer_stat
| isDownloadingFrom | boolean | tr_peer_stat
| isEncrypted | boolean | tr_peer_stat
| isIncoming | boolean | tr_peer_stat
| isUploadingTo | boolean | tr_peer_stat
| isUTP | boolean | tr_peer_stat
| peerIsChoked | boolean | tr_peer_stat
| peerIsInterested | boolean | tr_peer_stat
| port | number | tr_peer_stat
| progress | double | tr_peer_stat
| rateToClient (B/s) | number | tr_peer_stat
| rateToPeer (B/s) | number | tr_peer_stat
-------------------+--------------------------------------+
peersFrom | an object containing: |
+-------------------------+------------+
| fromCache | number | tr_stat
| fromDht | number | tr_stat
| fromIncoming | number | tr_stat
| fromLpd | number | tr_stat
| fromLtep | number | tr_stat
| fromPex | number | tr_stat
| fromTracker | number | tr_stat
-------------------+--------------------------------------+
pieces | A bitfield holding pieceCount flags | tr_torrent
| which are set to 'true' if we have |
| the piece matching that position. |
| JSON doesn't allow raw binary data, |
| so this is a base64-encoded string. |
-------------------+--------------------------------------+
priorities | an array of tr_info.filecount | tr_info
| numbers. each is the tr_priority_t |
| mode for the corresponding file. |
-------------------+--------------------------------------+
trackers | array of objects, each containing: |
+-------------------------+------------+
| announce | string | tr_tracker_info
| id | number | tr_tracker_info
| scrape | string | tr_tracker_info
| tier | number | tr_tracker_info
-------------------+--------------------------------------+
trackerStats | array of objects, each containing: |
+-------------------------+------------+
| announce | string | tr_tracker_stat
| announceState | number | tr_tracker_stat
| downloadCount | number | tr_tracker_stat
| hasAnnounced | boolean | tr_tracker_stat
| hasScraped | boolean | tr_tracker_stat
| host | string | tr_tracker_stat
| id | number | tr_tracker_stat
| isBackup | boolean | tr_tracker_stat
| lastAnnouncePeerCount | number | tr_tracker_stat
| lastAnnounceResult | string | tr_tracker_stat
| lastAnnounceStartTime | number | tr_tracker_stat
| lastAnnounceSucceeded | boolean | tr_tracker_stat
| lastAnnounceTime | number | tr_tracker_stat
| lastAnnounceTimedOut | boolean | tr_tracker_stat
| lastScrapeResult | string | tr_tracker_stat
| lastScrapeStartTime | number | tr_tracker_stat
| lastScrapeSucceeded | boolean | tr_tracker_stat
| lastScrapeTime | number | tr_tracker_stat
| lastScrapeTimedOut | boolean | tr_tracker_stat
| leecherCount | number | tr_tracker_stat
| nextAnnounceTime | number | tr_tracker_stat
| nextScrapeTime | number | tr_tracker_stat
| scrape | string | tr_tracker_stat
| scrapeState | number | tr_tracker_stat
| seederCount | number | tr_tracker_stat
| tier | number | tr_tracker_stat
-------------------+-------------------------+------------+
wanted | an array of tr_info.fileCount | tr_info
| 'booleans' true if the corresponding |
| file is to be downloaded. |
-------------------+--------------------------------------+
webseeds | an array of strings: |
+-------------------------+------------+
| webseed | string | tr_info
+-------------------------+------------+
Example:
Say we want to get the name and total size of torrents #7 and #10.
Request:
{
"arguments": {
"fields": [ "id", "name", "totalSize" ],
"ids": [ 7, 10 ]
},
"method": "torrent-get",
"tag": 39693
}
Response:
{
"arguments": {
"torrents": [
{
"id": 10,
"name": "Fedora x86_64 DVD",
"totalSize": 34983493932,
},
{
"id": 7,
"name": "Ubuntu x86_64 DVD",
"totalSize", 9923890123,
}
]
},
"result": "success",
"tag": 39693
}
3.4. Adding a Torrent
Method name: "torrent-add"
Request arguments:
key | value type & description
---------------------+-------------------------------------------------
"cookies" | string pointer to a string of one or more cookies.
"download-dir" | string path to download the torrent to
"filename" | string filename or URL of the .torrent file
"metainfo" | string base64-encoded .torrent content
"paused" | boolean if true, don't start the torrent
"peer-limit" | number maximum number of peers
"bandwidthPriority" | number torrent's bandwidth tr_priority_t
"files-wanted" | array indices of file(s) to download
"files-unwanted" | array indices of file(s) to not download
"priority-high" | array indices of high-priority file(s)
"priority-low" | array indices of low-priority file(s)
"priority-normal" | array indices of normal-priority file(s)
Either "filename" OR "metainfo" MUST be included.
All other arguments are optional.
The format of the "cookies" should be NAME=CONTENTS, where NAME is the
cookie name and CONTENTS is what the cookie should contain.
Set multiple cookies like this: "name1=content1; name2=content2;" etc.
<http://curl.haxx.se/libcurl/c/curl_easy_setopt.html#CURLOPTCOOKIE>
Response arguments: On success, a "torrent-added" object in the
form of one of 3.3's tr_info objects with the
fields for id, name, and hashString.
On failure due to a duplicate torrent existing,
a "torrent-duplicate" object in the same form.
3.5. Removing a Torrent
Method name: "torrent-remove"
Request arguments:
string | value type & description
---------------------------+-------------------------------------------------
"ids" | array torrent list, as described in 3.1
"delete-local-data" | boolean delete local data. (default: false)
Response arguments: none
3.6. Moving a Torrent
Method name: "torrent-set-location"
Request arguments:
string | value type & description
---------------------------------+-------------------------------------------------
"ids" | array torrent list, as described in 3.1
"location" | string the new torrent location
"move" | boolean if true, move from previous location.
| otherwise, search "location" for files
| (default: false)
Response arguments: none
3.7. Renaming a Torrent's Path
Method name: "torrent-rename-path"
For more information on the use of this function, see the transmission.h
documentation of tr_torrentRenamePath(). In particular, note that if this
call succeeds you'll want to update the torrent's "files" and "name" field
with torrent-get.
Request arguments:
string | value type & description
---------------------------------+-------------------------------------------------
"ids" | array the torrent torrent list, as described in 3.1
| (must only be 1 torrent)
"path" | string the path to the file or folder that will be renamed
"name" | string the file or folder's new name
Response arguments: "path", "name", and "id", holding the torrent ID integer
4. Session Requests
4.1. Session Arguments
string | value type | description
---------------------------------+------------+-------------------------------------
"alt-speed-down" | number | max global download speed (KBps)
"alt-speed-enabled" | boolean | true means use the alt speeds
"alt-speed-time-begin" | number | when to turn on alt speeds (units: minutes after midnight)
"alt-speed-time-enabled" | boolean | true means the scheduled on/off times are used
"alt-speed-time-end" | number | when to turn off alt speeds (units: same)
"alt-speed-time-day" | number | what day(s) to turn on alt speeds (look at tr_sched_day)
"alt-speed-up" | number | max global upload speed (KBps)
"blocklist-url" | string | location of the blocklist to use for "blocklist-update"
"blocklist-enabled" | boolean | true means enabled
"blocklist-size" | number | number of rules in the blocklist
"cache-size-mb" | number | maximum size of the disk cache (MB)
"config-dir" | string | location of transmission's configuration directory
"download-dir" | string | default path to download torrents
"download-queue-size" | number | max number of torrents to download at once (see download-queue-enabled)
"download-queue-enabled" | boolean | if true, limit how many torrents can be downloaded at once
"dht-enabled" | boolean | true means allow dht in public torrents
"encryption" | string | "required", "preferred", "tolerated"
"idle-seeding-limit" | number | torrents we're seeding will be stopped if they're idle for this long
"idle-seeding-limit-enabled" | boolean | true if the seeding inactivity limit is honored by default
"incomplete-dir" | string | path for incomplete torrents, when enabled
"incomplete-dir-enabled" | boolean | true means keep torrents in incomplete-dir until done
"lpd-enabled" | boolean | true means allow Local Peer Discovery in public torrents
"peer-limit-global" | number | maximum global number of peers
"peer-limit-per-torrent" | number | maximum global number of peers
"pex-enabled" | boolean | true means allow pex in public torrents
"peer-port" | number | port number
"peer-port-random-on-start" | boolean | true means pick a random peer port on launch
"port-forwarding-enabled" | boolean | true means enabled
"queue-stalled-enabled" | boolean | whether or not to consider idle torrents as stalled
"queue-stalled-minutes" | number | torrents that are idle for N minuets aren't counted toward seed-queue-size or download-queue-size
"rename-partial-files" | boolean | true means append ".part" to incomplete files
"rpc-version" | number | the current RPC API version
"rpc-version-minimum" | number | the minimum RPC API version supported
"script-torrent-done-filename" | string | filename of the script to run
"script-torrent-done-enabled" | boolean | whether or not to call the "done" script
"seedRatioLimit" | double | the default seed ratio for torrents to use
"seedRatioLimited" | boolean | true if seedRatioLimit is honored by default
"seed-queue-size" | number | max number of torrents to uploaded at once (see seed-queue-enabled)
"seed-queue-enabled" | boolean | if true, limit how many torrents can be uploaded at once
"speed-limit-down" | number | max global download speed (KBps)
"speed-limit-down-enabled" | boolean | true means enabled
"speed-limit-up" | number | max global upload speed (KBps)
"speed-limit-up-enabled" | boolean | true means enabled
"start-added-torrents" | boolean | true means added torrents will be started right away
"trash-original-torrent-files" | boolean | true means the .torrent file of added torrents will be deleted
"units" | object | see below
"utp-enabled" | boolean | true means allow utp
"version" | string | long version string "$version ($revision)"
---------------------------------+------------+-----------------------------+
units | object containing: |
+--------------+--------+------------------+
| speed-units | array | 4 strings: KB/s, MB/s, GB/s, TB/s
| speed-bytes | number | number of bytes in a KB (1000 for kB; 1024 for KiB)
| size-units | array | 4 strings: KB/s, MB/s, GB/s, TB/s
| size-bytes | number | number of bytes in a KB (1000 for kB; 1024 for KiB)
| memory-units | array | 4 strings: KB/s, MB/s, GB/s, TB/s
| memory-bytes | number | number of bytes in a KB (1000 for kB; 1024 for KiB)
+--------------+--------+------------------+
"rpc-version" indicates the RPC interface version supported by the RPC server.
It is incremented when a new version of Transmission changes the RPC interface.
"rpc-version-minimum" indicates the oldest API supported by the RPC server.
It is changes when a new version of Transmission changes the RPC interface
in a way that is not backwards compatible. There are no plans for this
to be common behavior.
4.1.1. Mutators
Method name: "session-set"
Request arguments: one or more of 4.1's arguments, except: "blocklist-size",
"config-dir", "rpc-version", "rpc-version-minimum",
"version", and "session-id"
Response arguments: none
4.1.2. Accessors
Method name: "session-get"
Request arguments: an optional "fields" array of keys (see 4.1)
Response arguments: key/value pairs matching the request's "fields"
argument if present, or all supported fields (see 4.1) otherwise.
4.2. Session Statistics
Method name: "session-stats"
Request arguments: none
Response arguments:
string | value type
---------------------------+-------------------------------------------------
"activeTorrentCount" | number
"downloadSpeed" | number
"pausedTorrentCount" | number
"torrentCount" | number
"uploadSpeed" | number
---------------------------+-------------------------------+
"cumulative-stats" | object, containing: |
+------------------+------------+
| uploadedBytes | number | tr_session_stats
| downloadedBytes | number | tr_session_stats
| filesAdded | number | tr_session_stats
| sessionCount | number | tr_session_stats
| secondsActive | number | tr_session_stats
---------------------------+-------------------------------+
"current-stats" | object, containing: |
+------------------+------------+
| uploadedBytes | number | tr_session_stats
| downloadedBytes | number | tr_session_stats
| filesAdded | number | tr_session_stats
| sessionCount | number | tr_session_stats
| secondsActive | number | tr_session_stats
4.3. Blocklist
Method name: "blocklist-update"
Request arguments: none
Response arguments: a number "blocklist-size"
4.4. Port Checking
This method tests to see if your incoming peer port is accessible
from the outside world.
Method name: "port-test"
Request arguments: none
Response arguments: a bool, "port-is-open"
4.5. Session shutdown
This method tells the transmission session to shut down.
Method name: "session-close"
Request arguments: none
Response arguments: none
4.6. Queue Movement Requests
Method name | libtransmission function
---------------------+-------------------------------------------------
"queue-move-top" | tr_torrentQueueMoveTop()
"queue-move-up" | tr_torrentQueueMoveUp()
"queue-move-down" | tr_torrentQueueMoveDown()
"queue-move-bottom" | tr_torrentQueueMoveBottom()
Request arguments:
string | value type & description
------------+----------------------------------------------------------
"ids" | array torrent list, as described in 3.1.
Response arguments: none
4.7. Free Space
This method tests how much free space is available in a
client-specified folder.
Method name: "free-space"
Request arguments:
string | value type & description
------------+----------------------------------------------------------
"path" | string the directory to query
Response arguments:
string | value type & description
------------+----------------------------------------------------------
"path" | string same as the Request argument
"size-bytes"| number the size, in bytes, of the free space in that directory
5.0. Protocol Versions
The following changes have been made to the RPC interface:
RPC | Release | Backwards | |
Vers. | Version | Compat? | Method | Description
------+---------+-----------+----------------------+-------------------------------
1 | 1.30 | n/a | n/a | Initial version
------+---------+-----------+----------------------+-------------------------------
2 | 1.34 | yes | torrent-get | new arg "peers"
------+---------+-----------+----------------------+-------------------------------
3 | 1.41 | yes | torrent-get | added "port" to "peers"
| | yes | torrent-get | new arg "downloaders"
| | yes | session-get | new arg "version"
| | yes | torrent-remove | new method
------+---------+-----------+----------------------+-------------------------------
4 | 1.50 | yes | session-get | new arg "rpc-version"
| | yes | session-get | new arg "rpc-version-minimum"
| | yes | session-stats | added "cumulative-stats"
| | yes | session-stats | added "current-stats"
| | yes | torrent-get | new arg "downloadDir"
------+---------+-----------+----------------------+-------------------------------
5 | 1.60 | yes | | new method "torrent-reannounce"
| | yes | | new method "blocklist-update"
| | yes | | new method "port-test"
| | | |
| | yes | session-get | new arg "alt-speed-begin"
| | yes | session-get | new arg "alt-speed-down"
| | yes | session-get | new arg "alt-speed-enabled"
| | yes | session-get | new arg "alt-speed-end"
| | yes | session-get | new arg "alt-speed-time-enabled"
| | yes | session-get | new arg "alt-speed-up"
| | yes | session-get | new arg "blocklist-enabled"
| | yes | session-get | new arg "blocklist-size"
| | yes | session-get | new arg "peer-limit-per-torrent"
| | yes | session-get | new arg "seedRatioLimit"
| | yes | session-get | new arg "seedRatioLimited"
| | NO | session-get | renamed "pex-allowed" to "pex-enabled"
| | NO | session-get | renamed "port" to "peer-port"
| | NO | session-get | renamed "peer-limit" to "peer-limit-global"
| | | |
| | yes | torrent-add | new arg "files-unwanted"
| | yes | torrent-add | new arg "files-wanted"
| | yes | torrent-add | new arg "priority-high"
| | yes | torrent-add | new arg "priority-low"
| | yes | torrent-add | new arg "priority-normal"
| | | |
| | yes | torrent-set | new arg "bandwidthPriority"
| | yes | torrent-set | new arg "honorsSessionLimits"
| | yes | torrent-set | new arg "seedRatioLimit"
| | yes | torrent-set | new arg "seedRatioLimited"
| | NO | torrent-set | renamed "speed-limit-down" to "downloadLimit"
| | NO | torrent-set | renamed "speed-limit-down-enabled" to "downloadLimited"
| | NO | torrent-set | renamed "speed-limit-up" to "uploadLimit"
| | NO | torrent-set | renamed "speed-limit-up-enabled" to "uploadLimited"
| | | |
| | yes | torrent-get | new arg "bandwidthPriority"
| | yes | torrent-get | new arg "fileStats"
| | yes | torrent-get | new arg "honorsSessionLimits"
| | yes | torrent-get | new arg "percentDone"
| | yes | torrent-get | new arg "pieces"
| | yes | torrent-get | new arg "seedRatioLimit"
| | yes | torrent-get | new arg "seedRatioMode"
| | yes | torrent-get | new arg "torrentFile"
| | yes | torrent-get | new ids option "recently-active"
| | NO | torrent-get | removed arg "downloadLimitMode"
| | NO | torrent-get | removed arg "uploadLimitMode"
------+---------+-----------+----------------------+-------------------------------
6 | 1.70 | yes | | new "method torrent-set-location"
------+---------+-----------+----------------------+-------------------------------
7 | 1.80 | NO | torrent-get | removed arg "announceResponse"
| | NO | torrent-get | removed arg "announceURL"
| | NO | torrent-get | removed arg "downloaders"
| | NO | torrent-get | removed arg "lastAnnounceTime"
| | NO | torrent-get | removed arg "lastScrapeTime"
| | NO | torrent-get | removed arg "leechers"
| | NO | torrent-get | removed arg "nextAnnounceTime"
| | NO | torrent-get | removed arg "nextScrapeTime"
| | NO | torrent-get | removed arg "scrapeResponse"
| | NO | torrent-get | removed arg "scrapeURL"
| | NO | torrent-get | removed arg "seeders"
| | NO | torrent-get | removed arg "timesCompleted"
| | NO | torrent-get | removed arg "swarmSpeed"
| | yes | torrent-get | new arg "magnetLink"
| | yes | torrent-get | new arg "metadataPercentComplete"
| | yes | torrent-get | new arg "trackerStats"
| | yes | session-set | new arg "incomplete-dir"
| | yes | session-set | new arg "incomplete-dir-enabled"
------+---------+-----------+----------------------+-------------------------------
8 | 1.90 | yes | session-set | new arg "rename-partial-files"
| | yes | session-get | new arg "rename-partial-files"
| | yes | session-get | new arg "config-dir"
| | yes | torrent-add | new arg "bandwidthPriority"
| | yes | torrent-get | new trackerStats arg "lastAnnounceTimedOut"
------+---------+-----------+----------------------+-------------------------------
8 | 1.92 | yes | torrent-get | new trackerStats arg "lastScrapeTimedOut"
------+---------+-----------+----------------------+-------------------------------
9 | 2.00 | yes | session-set | new arg "start-added-torrents"
| | yes | session-set | new arg "trash-original-torrent-files"
| | yes | session-get | new arg "start-added-torrents"
| | yes | session-get | new arg "trash-original-torrent-files"
| | yes | torrent-get | new arg "isFinished"
------+---------+-----------+----------------------+-------------------------------
10 | 2.10 | yes | session-get | new arg "cache-size-mb"
| | yes | torrent-set | new arg "trackerAdd"
| | yes | torrent-set | new arg "trackerRemove"
| | yes | torrent-set | new arg "trackerReplace"
| | yes | session-set | new arg "idle-seeding-limit"
| | yes | session-set | new arg "idle-seeding-limit-enabled"
| | yes | session-get | new arg "units"
| | yes | torrent-set | new arg "seedIdleLimit"
| | yes | torrent-set | new arg "seedIdleMode"
------+---------+-----------+----------------------+-------------------------------
11 | 2.12 | yes | session-get | new arg "blocklist-url"
| | yes | session-set | new arg "blocklist-url"
------+---------+-----------+----------------------+-------------------------------
12 | 2.20 | yes | session-get | new arg "download-dir-free-space"
| | yes | session-close | new method
------+---------+-----------+----------------------+-------------------------------
13 | 2.30 | yes | session-get | new arg "isUTP" to the "peers" list
| | yes | torrent-add | new arg "cookies"
| | NO | torrent-get | removed arg "peersKnown"
------+---------+-----------+----------------------+-------------------------------
14 | 2.40 | NO | torrent-get | values of "status" field changed
| | yes | torrent-get | new arg "queuePosition"
| | yes | torrent-get | new arg "isStalled"
| | yes | torrent-get | new arg "fromLpd" in peersFrom
| | yes | torrent-set | new arg "queuePosition"
| | yes | session-set | new arg "download-queue-size"
| | yes | session-set | new arg "download-queue-enabled"
| | yes | session-set | new arg "seed-queue-size"
| | yes | session-set | new arg "seed-queue-enabled"
| | yes | session-set | new arg "queue-stalled-enabled"
| | yes | session-set | new arg "queue-stalled-minutes"
| | yes | | new method "queue-move-top"
| | yes | | new method "queue-move-up"
| | yes | | new method "queue-move-down"
| | yes | | new method "queue-move-bottom"
| | yes | | new method "torrent-start-now"
------+---------+-----------+----------------------+-------------------------------
15 | 2.80 | yes | torrent-get | new arg "etaIdle"
| | yes | torrent-rename-path | new method
| | yes | free-space | new method
| | yes | torrent-add | new return arg "torrent-duplicate"
------+---------+-----------+----------------------+-------------------------------
16 | 3.00 | yes | session-get | new request arg "fields"
| | yes | session-get | new arg "session-id"
| | yes | torrent-get | new arg "labels"
| | yes | torrent-set | new arg "labels"
| | yes | torrent-set | new arg "editDate"
| | yes | torrent-get | new arg "format"
5.1. Upcoming Breakage
These features will be removed three months after 2.80's release:
1. session-get's 'download-dir-free-space' argument will be removed.
Its functionality has been superceded by the 'free-space' method.
2. HTTP POSTs to http://server:port/transmission/upload will fail.
This was an undocumented hack to allow web clients to add files without
client-side access to the file. This functionality is superceded by
using HTML5's FileReader object + the documented 'torrent-add' method.
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