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authorArch Librarian <arch@canonical.com>2004-09-20 16:51:53 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:51:53 +0000
commit5cb5d8dc4318227ca3ec8976f67e8cfd2302d1ff (patch)
tree026fae4811ede2b7fc28773a8f4ef3042007fab8 /methods/http.cc
parentf01fe790891daf085b3a16ce8be3498fcc329d6e (diff)
HTTP pipelining
Author: jgg Date: 1998-12-05 04:19:01 GMT HTTP pipelining
Diffstat (limited to 'methods/http.cc')
-rw-r--r--methods/http.cc44
1 files changed, 38 insertions, 6 deletions
diff --git a/methods/http.cc b/methods/http.cc
index 29982e2d0..c52ddc458 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -1,6 +1,6 @@
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: http.cc,v 1.8 1998/11/28 20:50:10 jgg Exp $
+// $Id: http.cc,v 1.9 1998/12/05 04:19:05 jgg Exp $
/* ######################################################################
HTTP Aquire Method - This is the HTTP aquire method for APT.
@@ -880,6 +880,38 @@ void HttpMethod::SigTerm(int)
exit(100);
}
/*}}}*/
+// HttpMethod::Fetch - Fetch an item /*{{{*/
+// ---------------------------------------------------------------------
+/* This adds an item to the pipeline. We keep the pipeline at a fixed
+ depth. */
+bool HttpMethod::Fetch(FetchItem *)
+{
+ if (Server == 0)
+ return true;
+
+ // Queue the requests
+ int Depth = -1;
+ bool Tail = false;
+ for (FetchItem *I = Queue; I != 0 && Depth < 5; I = I->Next, Depth++)
+ {
+ // Make sure we stick with the same server
+ if (Server->Comp(I->Uri) == false)
+ break;
+
+ if (QueueBack == I)
+ Tail = true;
+ if (Tail == true)
+ {
+ Depth++;
+ QueueBack = I->Next;
+ SendReq(I,Server->Out);
+ continue;
+ }
+ }
+
+ return true;
+};
+ /*}}}*/
// HttpMethod::Loop - Main loop /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -888,7 +920,7 @@ int HttpMethod::Loop()
signal(SIGTERM,SigTerm);
signal(SIGINT,SigTerm);
- ServerState *Server = 0;
+ Server = 0;
int FailCounter = 0;
while (1)
@@ -926,10 +958,10 @@ int HttpMethod::Loop()
Fail();
continue;
}
-
- // Queue the request
- SendReq(Queue,Server->Out);
+ // Fill the pipeline.
+ Fetch(0);
+
// Fetch the next URL header data from the server.
switch (Server->RunHeaders())
{
@@ -954,7 +986,7 @@ int HttpMethod::Loop()
continue;
}
};
-
+
// Decide what to do.
FetchResult Res;
Res.Filename = Queue->DestFile;