private void closeConnection()
{
if (_connection != null)
{
_connection.Close();
_connection = null;
}
}
private void reopenConnection()
{
if (_connection != null)
{
return;
}
_connection = _transport.openFetch();
// Since we opened a new connection we cannot be certain
// that the system we connected to has the same exact set
// of objects available (think round-robin DNS and mirrors
// that aren't updated at the same time).
//
// We rebuild our askFor list using only the refs that the
// new connection has offered to us.
//
IDictionary <ObjectId, Ref> avail = new Dictionary <ObjectId, Ref>();
foreach (Ref r in _connection.Refs)
{
if (avail.ContainsKey(r.ObjectId))
{
avail[r.ObjectId] = r;
}
else
{
avail.Add(r.ObjectId, r);
}
}
ICollection <Ref> wants = new List <Ref>(_askFor.Values);
_askFor.Clear();
foreach (Ref want in wants)
{
Ref newRef = avail[want.ObjectId];
if (newRef != null)
{
_askFor.Add(newRef.ObjectId, newRef);
}
else
{
removeFetchHeadRecord(want.ObjectId);
removeTrackingRefUpdate(want.ObjectId);
}
}
}
private void reopenConnection()
{
if (_connection != null)
{
return;
}
_connection = _transport.openFetch();
// Since we opened a new connection we cannot be certain
// that the system we connected to has the same exact set
// of objects available (think round-robin DNS and mirrors
// that aren't updated at the same time).
//
// We rebuild our askFor list using only the refs that the
// new connection has offered to us.
//
IDictionary<ObjectId, Ref> avail = new Dictionary<ObjectId, Ref>();
foreach (Ref r in _connection.Refs)
{
avail.Add(r.ObjectId, r);
}
ICollection<Ref> wants = new List<Ref>(_askFor.Values);
_askFor.Clear();
foreach (Ref want in wants)
{
Ref newRef = avail[want.ObjectId];
if (newRef != null)
{
_askFor.Add(newRef.ObjectId, newRef);
}
else
{
removeFetchHeadRecord(want.ObjectId);
removeTrackingRefUpdate(want.ObjectId);
}
}
}
private void executeImp(ProgressMonitor monitor, FetchResult result)
{
_connection = _transport.openFetch();
try
{
result.SetAdvertisedRefs(_transport.Uri, _connection.RefsMap);
HashSet<Ref> matched = new HashSet<Ref>();
foreach (RefSpec spec in _toFetch)
{
if (spec.Source == null)
throw new TransportException("Source ref not specified for refspec: " + spec);
if (spec.Wildcard)
{
expandWildcard(spec, matched);
}
else
{
expandSingle(spec, matched);
}
}
ICollection<Ref> additionalTags = new Collection<Ref>();
TagOpt tagopt = _transport.TagOpt;
if (tagopt == TagOpt.AUTO_FOLLOW)
{
additionalTags = expandAutoFollowTags();
}
else if (tagopt == TagOpt.FETCH_TAGS)
{
expandFetchTags();
}
bool includedTags;
if (_askFor.Count != 0 && !askForIsComplete())
{
fetchObjects(monitor);
includedTags = _connection.DidFetchIncludeTags;
// Connection was used for object transfer. If we
// do another fetch we must open a new connection.
//
closeConnection();
}
else
{
includedTags = false;
}
if (tagopt == TagOpt.AUTO_FOLLOW && additionalTags.Count != 0)
{
// There are more tags that we want to follow, but
// not all were asked for on the initial request.
foreach(ObjectId key in _askFor.Keys)
{
_have.Add(key);
}
_askFor.Clear();
foreach (Ref r in additionalTags)
{
ObjectId id = r.PeeledObjectId;
if (id == null || _transport.Local.HasObject(id))
{
wantTag(r);
}
}
if (_askFor.Count != 0 && (!includedTags || !askForIsComplete()))
{
reopenConnection();
if (_askFor.Count != 0)
{
fetchObjects(monitor);
}
}
}
}
finally
{
closeConnection();
}
RevWalk.RevWalk walk = new RevWalk.RevWalk(_transport.Local);
if (_transport.RemoveDeletedRefs)
{
deleteStaleTrackingRefs(result, walk);
}
foreach (TrackingRefUpdate u in _localUpdates)
{
try
{
u.Update(walk);
result.Add(u);
}
catch (IOException err)
{
throw new TransportException("Failure updating tracking ref " + u.LocalName + ": " + err.Message, err);
}
}
if (_fetchHeadUpdates.Count != 0)
{
try
{
updateFETCH_HEAD(result);
}
catch (IOException err)
{
throw new TransportException("Failure updating FETCH_HEAD: " + err.Message, err);
}
}
}
private void closeConnection()
{
if (_connection != null)
{
_connection.Close();
_connection = null;
}
}
private void executeImp(ProgressMonitor monitor, FetchResult result)
{
_connection = _transport.openFetch();
try
{
result.SetAdvertisedRefs(_transport.Uri, _connection.RefsMap);
HashSet <Ref> matched = new HashSet <Ref>();
foreach (RefSpec spec in _toFetch)
{
if (spec.Source == null)
{
throw new TransportException("Source ref not specified for refspec: " + spec);
}
if (spec.Wildcard)
{
expandWildcard(spec, matched);
}
else
{
expandSingle(spec, matched);
}
}
ICollection <Ref> additionalTags = new Collection <Ref>();
TagOpt tagopt = _transport.TagOpt;
if (tagopt == TagOpt.AUTO_FOLLOW)
{
additionalTags = expandAutoFollowTags();
}
else if (tagopt == TagOpt.FETCH_TAGS)
{
expandFetchTags();
}
bool includedTags;
if (_askFor.Count != 0 && !askForIsComplete())
{
fetchObjects(monitor);
includedTags = _connection.DidFetchIncludeTags;
// Connection was used for object transfer. If we
// do another fetch we must open a new connection.
//
closeConnection();
}
else
{
includedTags = false;
}
if (tagopt == TagOpt.AUTO_FOLLOW && additionalTags.Count != 0)
{
// There are more tags that we want to follow, but
// not all were asked for on the initial request.
foreach (ObjectId key in _askFor.Keys)
{
_have.Add(key);
}
_askFor.Clear();
foreach (Ref r in additionalTags)
{
ObjectId id = r.PeeledObjectId;
if (id == null || _transport.Local.HasObject(id))
{
wantTag(r);
}
}
if (_askFor.Count != 0 && (!includedTags || !askForIsComplete()))
{
reopenConnection();
if (_askFor.Count != 0)
{
fetchObjects(monitor);
}
}
}
}
finally
{
closeConnection();
}
using (RevWalk.RevWalk walk = new RevWalk.RevWalk(_transport.Local))
{
if (_transport.RemoveDeletedRefs)
{
deleteStaleTrackingRefs(result, walk);
}
foreach (TrackingRefUpdate u in _localUpdates)
{
try
{
u.Update(walk);
result.Add(u);
}
catch (IOException err)
{
throw new TransportException("Failure updating tracking ref " + u.LocalName + ": " + err.Message, err);
}
}
}
if (_fetchHeadUpdates.Count != 0)
{
try
{
updateFETCH_HEAD(result);
}
catch (IOException err)
{
throw new TransportException("Failure updating FETCH_HEAD: " + err.Message, err);
}
}
}
