From 01a7cd79111cf0d8fc67c91454f147d5213634f1 Mon Sep 17 00:00:00 2001
From: Chris Ball <chris@printf.net>
Date: Wed, 13 May 2015 16:37:38 -0400
Subject: Use webtorrent's deps instead of webtorrent itself

---
 git-remote-gitswarm | 28 ++++++++++++++++++----------
 gitswarmd           | 23 ++++++++++++++++++++---
 2 files changed, 38 insertions(+), 13 deletions(-)

diff --git a/git-remote-gitswarm b/git-remote-gitswarm
index 99c97b2..517de84 100755
--- a/git-remote-gitswarm
+++ b/git-remote-gitswarm
@@ -1,7 +1,10 @@
 #!/usr/bin/env node
 
+var DHT = require('bittorrent-dht')
 var exec = require('child_process').exec
-var WebTorrent = require('webtorrent')
+var magnet = require('magnet-uri')
+var Swarm = require('bittorrent-swarm')
+var ut_gitswarm = require('ut_gitswarm')
 
 // We use console.warn (stderr) because git ignores our writes to stdout.
 url = process.argv[3].replace(/^gitswarm:/i, 'git:')
@@ -29,16 +32,21 @@ exec('git ls-remote ' + url + ' HEAD', function (err, stdout, stderr) {
     
   console.warn("Okay, we want to get: " + ref)  
 
-  var client = new WebTorrent()
+  var dht = new DHT()
   var magnetUri = 'magnet:?xt=urn:btih:' + ref
+  var parsed = magnet(magnetUri)
+  dht.on('ready', function () {
+    dht.lookup(parsed.infoHash)
+  })
+  dht.on('peer', function (addr, hash, from) {
+    console.error(addr, hash, from)
+    swarm.addPeer(addr)
+  })
 
-  client.add(magnetUri, function (torrent) {
-    // Got torrent metadata!
-    console.log('Torrent info hash:', torrent.infoHash)
-
-    torrent.files.forEach(function (file) {
-      // Get a url for each file
-      console.log(file)
-    })
+  var swarm = new Swarm(parsed.infoHash, 'cafebabecafebabecafecafebabecafebabecafe')
+  swarm.on('wire', function(wire) {
+    console.error('we got a wire')
+    wire.use('ut_gitswarm')
+    //wire.ut_gitswarm.askforsha(parsed.infoHash)
   })
 })
diff --git a/gitswarmd b/gitswarmd
index 960b4d8..4ec7fb5 100755
--- a/gitswarmd
+++ b/gitswarmd
@@ -1,9 +1,14 @@
 #!/usr/bin/env node
 
-var spawn = require('child_process').spawn
+var DHT = require('bittorrent-dht')
 var glob = require('glob')
+var magnet = require('magnet-uri')
+var net = require('net')
+var Protocol = require('bittorrent-protocol')
+var spawn = require('child_process').spawn
+var Swarm = require('bittorrent-swarm')
 var WebTorrent = require('webtorrent')
-var DHT = require('bittorrent-dht')
+var ut_gitswarm = require('ut_gitswarm')
 
 function die (error) {
   console.error(error)
@@ -30,12 +35,14 @@ repos.forEach(function (repo) {
       arr = line.toString().split(' ')
       if (arr.length == 2) {
         var sha = arr[0].toString()
+        // First four chars are git-upload-pack's length-of-line metadata.
+        sha = sha.substring(4)
         var ref = arr[1].toString()
         if (ref.search(/^refs\/heads\//) !== -1 || ref.search(/^refs\/remotes\//) !== -1) {
           console.log('Announcing ' + sha + ' for ref ' + ref + ' on repo ' + repo)
           announcedRefs[sha] = repo
           console.log(announcedRefs)
-          dht.announce(sha, 20000, function (err) {
+          dht.announce(sha, 30000, function (err) {
             if (err !== null)
               console.log('Announced ' + sha)
           })
@@ -52,4 +59,14 @@ repos.forEach(function (repo) {
   })
 })
 
+net.createServer(function (socket) {
+  var wire = new Protocol()
+  socket.pipe(wire).pipe(socket)
+  wire.on('handshake', function (infoHash, peerId) {
+    console.log('Received handshake for ' + infoHash)
+    wire.handshake(new Buffer(infoHash), new Buffer(peerId))
+    wire.use('ut_gitswarm')
+  })
+}).listen(30000)
+
 
-- 
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