[JDEV] p2p filetransfer proposal
Julian Missig
julian at jabber.org
Tue Feb 12 20:22:59 CST 2002
This does *not* comply with the jabber:iq:oob namespace, you have to
call it something else.
On Tue, 2002-02-12 at 20:45, aliban at gmx.net wrote:
> hi,
> i just wrote this paper just because i need such a thing quite soon
> for my own client.
>
> greetings, Edrin
> any comments are welcome!
> (maybe i should switch the methode of comparing the filesize to
> comparing a file checksum... any idea how to calculate this?)
>
> ###############################################
> # #
> # new File Transfer proposal #
> # #
> ###############################################
> # PROJECT HISTORY #
> # 12.02.2002 v.1.0 experimental #
> # #
> ###############################################
> # #
> # This is a description of the XML and TCP #
> # part of the file transfer used in #
> # combination with jabberFS (jabber File #
> # Sharing). #
> # The same methodes are used for filetransfer #
> # with Skabber, a jabber client for Windows #
> # #
> # This project is maintained by #
> # JID:Edrin at amessage.de #
> # #
> ###############################################
>
>
> v.1.0 experimental
>
> Faust´s IP: 12.34.56.78
> Mephisto´s IP: 66.66.66.66
>
> <connecting/> client wants the other client to open a port
> <listening/> client opened a port
> <append/> client wants only a part of a file (after byte XYZ)
> <filebytesdone>13000</filebytesdone> means that the client has
> already 13000 bytes of the file...
> <ip></ip> of the </connecting> side should be optional (if you are
> in an intranet you could
> only fill it with 192.168.0.xy and that would not be helpfull)
> <abort/> if one side wants to abort simply send a <abort/> and
> both sides will cleanup.
>
> jabberFS is a component for jabberd i´m writing soon. it will store
> filenames in a mysql database
> id="file_1" should be associated with a socket
>
>
>
> the listening should have a timeout. if the listening socket timeouts
> (nobody connected)
> it should send <timeout/>
>
> <iq type="result" to="Mephisto at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <timeout/>
> </query>
> </iq>
>
> if the </timeout> occures this might be caused because someone
> is behind a firewall and does not know it.
> you might automatically switch the connecting/listening side,
> please contact me about this case so we can discuss and
> develp this event.
>
> a running filetransfer can simply be stoped by closing the socket.
> no further xml exchange would be
> neccessary.
>
> /******************************************************************/
> SEND A FILE TO SOMEONE
> /******************************************************************/
>
> 1. SEND_PROPOSAL
> Faust wants to send a file to Mephisto
>
> <iq type="set" to="Mephisto at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <connecting/>
> <ip>12.34.56.78</ip>
> <filename>my_girl.jpg</filename>
> <filesize>35012<filesize>
> <desc>A cool girl i met yesterday.</desc>
> </query>
> </iq>
>
>
> 2.a ACCEPT SEND_PROPOSAL
> Mephisto accepts the file
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <ip>66.66.66.66</ip>
> <port>6666</port>
> <filename>my_girl.jpg</filename>
> <filesize>35012<filesize>
> <desc>A cool girl i met yesterday.</desc>
> </query>
> </iq>
>
> Mephisto accepts the file and indicates that he has already 13000
> bytes of it.
> He is listening on port 6666 and He will append the remaining
> 35012-13000 bytes
> to the part of the file he already has. He will close the tcp
> connection on port
> 6666 after he received the 35012-13000 bytes.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <append/>
> <ip>66.66.66.66</ip>
> <port>6666</port>
> <filename>my_girl.jpg</filename>
> <filesize>35012<filesize>
> <filebytesdone>13000</filebytesdone>
> <desc>A cool girl i met yesterday.</desc>
> </query>
> </iq>
>
> Mephisto is behind a firewall and responds with a connect
> indicating that Faust
> must create a listening socket.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <connecting/>
> <append/>
> <ip>66.66.66.66</ip>
> <filename>my_girl.jpg</filename>
> <filesize>35012<filesize>
> <filebytesdone>13000</filebytesdone>
> <desc>A cool girl i met yesterday.</desc>
> </query>
> </iq>
>
> <iq type="set" to="Mephisto at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <append/>
> <ip>12.34.56.78</ip>
> <port>1234</port>
> <filename>my_girl.jpg</filename>
> <filesize>35012<filesize>
> <filebytesdone>13000</filebytesdone>
> <desc>A cool girl i met yesterday.</desc>
> </query>
> </iq>
>
> 2.b DECLINE SEND_PROPOSAL
> Mephisto does not want this file.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <abort/>
> </query>
> </iq>
>
> /******************************************************************/
> GET A FILE FROM SOMEONE
> /******************************************************************/
>
> 1. GET_PROPOSAL
> Faust wants to get a file from Mephisto
>
> <iq type="get" to="Mephisto at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <connecting/>
> <ip>12.34.56.78</ip>
> <filename>song_hell.mp3</filename>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> 2.a ACCEPT GET_PROPOSAL
> Mephisto accepts it and offers the file on port 6666.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <ip>66.66.66.66</ip>
> <port>6666</port>
> <filename>song_hell.mp3</filename>
> <filesize>3050122<filesize>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> 1. GET_PROPOSAL_RESUME (resume broken file)
> Faust wants to get a file from Mephisto. He has already 66000
> bytes of the
> 3050122 bytes big file.
>
> <iq type="get" to="Mephisto at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <connecting/>
> <append/>
> <ip>12.34.56.78</ip>
> <filename>song_hell.mp3</filename>
> <filesize>3050122<filesize>
> <filebytesdone>66000</filebytesdone>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> 2.a ACCEPT GET_PROPOSAL_RESUME (resume broken file)
> Mephisto accepts it and offers this file on port 6666.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <append/>
> <ip>66.66.66.66</ip>
> <port>6666</port>
> <filename>song_hell.mp3</filename>
> <filesize>3050122<filesize>
> <filebytesdone>66000</filebytesdone>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> if Mephisto has another file with the same name but other size, he
> will offer this, too.
> Faust can deside to accept this or to send a </block>
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <ip>66.66.66.66</ip>
> <port>6666</port>
> <filename>song_hell.mp3</filename>
> <filesize>3050743<filesize>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> Mephisto is behind a firewall and responds with a connect
> indicating that Faust
> must create a listening socket.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <connecting/>
> <append/>
> <ip>66.66.66.66</ip>
> <filename>song_hell.mp3</filename>
> <filesize>3050122<filesize>
> <filebytesdone>66000</filebytesdone>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> <iq type="set" to="Mephisto at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <listening/>
> <append/>
> <ip>12.34.56.78</ip>
> <port>1234</port>
> <filename>song_hell.mp3</filename>
> <filesize>3050122<filesize>
> <filebytesdone>66000</filebytesdone>
> <desc>standart jabberFS file request</desc>
> </query>
> </iq>
>
> 2.b. DECLINE GET_PROPOSAL
> Mephisto does not want to offer or does not have this file.
>
> <iq type="result" to="Faust at goethe.de" id="file_1">
> <query xmlns="jabber:iq:oob">
> <abort/>
> </query>
> </iq>
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