mirror of
https://github.com/transmission/transmission
synced 2024-12-25 01:03:01 +00:00
make the request/response messages a little terser. add per-torrent speed limit toggles. rename ipc -> rpc.
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48874c0619
commit
17b9dc7462
4 changed files with 96 additions and 104 deletions
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@ -18,46 +18,45 @@
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floating-point numbers are represented as strings.
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booleans are represented as integers where 0 is false and 1 is true.
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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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Messages are represented as a JSON objects. There are two types:
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requests (described in 2.1) and responses (described in 2.2).
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2.1. Headers
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2.1. Requests
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Message headers support two members:
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(1) A required "type" string whose value must be "request" or "response".
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(2) An optional "tag" integer supplied by requests for their own use.
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Responses MUST include the request tag's verbatim.
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Requests supports three keys:
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2.2. Request Body
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(1) A required "method" string telling the name of the method to invoke
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(2) An optional "arguments" object of name/value pairs
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(3) An optional "tag" integer used for clients to track responses.
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If provided by a request, the response MUST include the same tag.
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Request bodies support two members:
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(1) A required "name" string telling the name of the request.
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(2) An optional "arguments" object of name/value pairs.
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2.2. Responses
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2.3. Response Body
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Reponses support three keys:
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All response bodies support two members:
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(1) A required "result" string whose value must be "success" on success,
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and may be "no-permission", "bad-format", or "error" on failure.
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(2) An optional "arguments" object of name/value pairs.
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The contents of these arguments depend on the request's name.
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or an error string on failure.
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(2) An optional "arguments" object of name/value pairs
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(3) An optional "tag" integer as described in 2.1.
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3. Torrent Requests
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3.1. Torrent Action Requests
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Request names: "torrent-start", "torrent-stop",
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Method names: "torrent-start", "torrent-stop",
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"torrent-remove", "torrent-verify"
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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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3.2. Torrent Info Requests
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Request name: "torrent-info".
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Method name: "torrent-info".
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Request arguments: 3.1's optional "ids" argument.
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Response arguments: "info", an array of objects based on libtransmission's
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@ -70,26 +69,15 @@
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Example Request:
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{
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"headers": {
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"type": "request",
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"arguments": { "ids": [ 7, 10 ] }
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"method": "torrent-info",
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"tag": 666
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},
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"body": {
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"name": "torrent-info",
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"arguments": {
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"ids": [ 7, 10 ]
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}
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}
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}
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Example Response:
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{
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"headers": {
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"type": "response",
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"tag": 666
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}
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"body": {
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"result": "success",
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"arguments": {
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"info": [
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@ -100,7 +88,7 @@
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"pieceSize": 4096,
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"name": "Ubuntu x86_64 DVD",
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...
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}
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},
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{
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"id": 10,
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"totalSize": 2398480394,
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@ -112,11 +100,11 @@
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]
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}
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}
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}
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3.3. Torrent Status Requests
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Request name is "torrent-status".
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Method name: "torrent-status"
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Request arguments: 3.1's optional "ids" argument.
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Response arguments: "status", an array of objects based on
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@ -128,12 +116,13 @@
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3.4. Adding a Torrent
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Request name: "torrent-add"
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Method name: "torrent-add"
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Request arguments:
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string | value type & description
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-------------------+-------------------------------------------------
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"autostart" | boolean true means to auto-start torrents
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"paused" | boolean if true, don't start the torrent
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"destination" | string path to download the torrent to
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"filename" | string location of the .torrent file
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"peer-limit" | int maximum number of peers
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@ -148,20 +137,22 @@
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Common arguments:
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string | value type & description
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-------------------+-------------------------------------------------
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---------------------------+-------------------------------------------------
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"peer-limit" | 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-down-enabled" | boolean true if the download speed is limited
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"speed-limit-up" | int maximum upload speed (in KiB/s)
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"speed-limit-up-enabled" | boolean true if the upload speed is limited
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3.5.1. Mutators
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Request name: "torrent-set"
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Method name: "torrent-set"
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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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3.5.2. Accessors
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Request name: "torrent-get"
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Method name: "torrent-get"
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Request arguments: none
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Response arguments: A "torrents" list of objects containing all
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of 3.5's arguments plus the torrent's "id" int.
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@ -181,13 +172,13 @@
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3.6.1. Mutators
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Request name: "torrent-set-file"
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Method name: "torrent-set-file"
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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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3.6.2. Accessors
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Request name: "torrent-get-file"
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Method name: "torrent-get-file"
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Request arguments: none
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Response arguments: A "torrents" list of objects containing all
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of 3.6's arguments plus the torrent's "id" int.
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@ -210,13 +201,13 @@
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4.2. Mutators
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Request name: "session-set"
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Method name: "session-set"
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Request arguments: one or more of 4.1's arguments
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Response arguments: none
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4.2. Accessors
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Request name: "session-get"
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Method name: "session-get"
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Request arguments: none
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Response arguments: all of 4.1's arguments
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@ -16,7 +16,6 @@ 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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@ -33,6 +32,7 @@ libtransmission_a_SOURCES = \
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publish.c \
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ratecontrol.c \
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resume.c \
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rpc.c \
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session.c \
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stats.c \
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torrent.c \
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@ -57,7 +57,6 @@ noinst_HEADERS = \
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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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@ -74,6 +73,7 @@ noinst_HEADERS = \
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publish.h \
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ratecontrol.h \
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resume.h \
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rpc.h \
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session.h \
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stats.h \
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torrent.h \
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@ -15,7 +15,7 @@
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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 "rpc.h"
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#include "torrent.h"
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#include "utils.h"
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@ -245,14 +245,20 @@ torrentGet( tr_handle * handle, tr_benc * args_in, tr_benc * args_out )
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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, 4 );
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tr_benc * d = tr_bencListAddDict( list, 6 );
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tr_bencDictAddInt( d, "id", tor->uniqueId );
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tr_bencDictAddInt( d, "peer-limit",
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tr_torrentGetPeerLimit( tor ) );
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tr_bencDictAddInt( d, "speed-limit-down",
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tr_torrentGetSpeedLimit( tor, TR_DOWN ) );
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tr_bencDictAddInt( d, "speed-limit-down-enabled",
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tr_torrentGetSpeedMode( tor, TR_DOWN )
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== TR_SPEEDLIMIT_SINGLE );
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tr_bencDictAddInt( d, "speed-limit-up",
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tr_torrentGetSpeedLimit( tor, TR_UP ) );
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tr_bencDictAddInt( d, "speed-limit-up-enabled",
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tr_torrentGetSpeedMode( tor, TR_UP )
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== TR_SPEEDLIMIT_SINGLE );
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}
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tr_free( torrents );
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tr_torrentSetPeerLimit( 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-down-enabled", &tmp ) )
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tr_torrentSetSpeedMode( tor, TR_DOWN, tmp ? TR_SPEEDLIMIT_SINGLE
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: TR_SPEEDLIMIT_GLOBAL );
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if( tr_bencDictFindInt( args_in, "speed-limit-up", &tmp ) )
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tr_torrentSetSpeedLimit( tor, TR_UP, tmp );
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if( tr_bencDictFindInt( args_in, "speed-limit-up-enabled", &tmp ) )
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tr_torrentSetSpeedMode( tor, TR_UP, tmp ? TR_SPEEDLIMIT_SINGLE
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: TR_SPEEDLIMIT_GLOBAL );
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}
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tr_free( torrents );
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ctor = tr_ctorNew( h );
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tr_ctorSetMetainfoFromFile( ctor, filename );
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if( tr_bencDictFindInt( args_in, "autostart", &i ) )
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tr_ctorSetPaused( ctor, TR_FORCE, !i );
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if( tr_bencDictFindInt( args_in, "paused", &i ) )
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tr_ctorSetPaused( ctor, TR_FORCE, i );
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if( tr_bencDictFindInt( args_in, "peer-limit", &i ) )
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tr_ctorSetPeerLimit( ctor, TR_FORCE, i );
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if( tr_bencDictFindStr( args_in, "destination", &str ) )
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@ -538,7 +550,7 @@ typedef const char* (handler)( tr_handle*, tr_benc*, tr_benc* );
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struct request_handler
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{
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const char * name;
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const char * method;
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handler * func;
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} request_handlers[] = {
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{ "torrent-start", torrentStart },
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const char * str;
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char * out;
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tr_benc response;
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tr_benc * headers_in = NULL;
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tr_benc * body_in = NULL;
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tr_benc * args_in = NULL;
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tr_benc * headers_out = NULL;
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tr_benc * body_out = NULL;
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tr_benc * args_in = tr_bencDictFind( request, "args" );
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tr_benc * args_out = NULL;
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const char * result = NULL;
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headers_in = tr_bencDictFind( request, "headers" );
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body_in = tr_bencDictFind( request, "body" );
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args_in = tr_bencDictFind( body_in, "args" );
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/* build the response skeleton */
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tr_bencInitDict( &response, 2 );
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headers_out = tr_bencDictAddDict( &response, "headers", 2 );
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tr_bencDictAddStr( headers_out, "type", "response" );
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if( tr_bencDictFindInt( headers_in, "tag", &i ) )
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tr_bencDictAddInt( headers_out, "tag", i );
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body_out = tr_bencDictAddDict( &response, "body", 2 );
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args_out = tr_bencDictAddDict( body_out, "args", 0 );
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tr_bencInitDict( &response, 3 );
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if( tr_bencDictFindInt( request, "tag", &i ) )
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tr_bencDictAddInt( request, "tag", i );
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args_out = tr_bencDictAddDict( &response, "args", 0 );
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/* parse the request */
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if( !tr_bencDictFindStr( body_in, "name", &str ) )
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result = "no request name given";
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if( !tr_bencDictFindStr( request, "method", &str ) )
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result = "no method name";
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else {
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const int n = TR_N_ELEMENTS( request_handlers );
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for( i=0; i<n; ++i )
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if( !strcmp( str, request_handlers[i].name ) )
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if( !strcmp( str, request_handlers[i].method ) )
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break;
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result = i==n
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? "request name not recognized"
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? "method name not recognized"
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: (*request_handlers[i].func)( handle, args_in, args_out );
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}
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/* serialize & return the response */
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if( !result )
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result = "success";
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tr_bencDictAddStr( body_out, "result", result );
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out = tr_bencSave( &response, response_len ); /* TODO: json, not benc */
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tr_bencDictAddStr( &response, "result", result );
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out = tr_bencSaveAsJSON( &response, response_len );
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tr_bencFree( &response );
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return out;
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}
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char*
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tr_ipc_request_exec( struct tr_handle * handle,
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tr_rpc_request_exec( struct tr_handle * handle,
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const void * request_json,
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int request_len,
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int * response_len )
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@ -10,13 +10,13 @@
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* $Id:$
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*/
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#ifndef TR_IPC_H
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#define TR_IPC_H
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#ifndef TR_RPC_H
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#define TR_RPC_H
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struct tr_handle;
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char*
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tr_ipc_request_exec( struct tr_handle * handle,
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tr_rpc_request_exec( struct tr_handle * handle,
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const void * request_json,
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int request_len,
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int * response_len );
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