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-rw-r--r--methods/http.cc98
1 files changed, 82 insertions, 16 deletions
diff --git a/methods/http.cc b/methods/http.cc
index d9ac79912..4c773b064 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -1,6 +1,6 @@
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: http.cc,v 1.2 1998/11/01 08:07:13 jgg Exp $
+// $Id: http.cc,v 1.3 1998/11/04 07:10:49 jgg Exp $
/* ######################################################################
HTTP Aquire Method - This is the HTTP aquire method for APT.
@@ -36,6 +36,7 @@
#include <sys/time.h>
#include <utime.h>
#include <unistd.h>
+#include <signal.h>
#include <stdio.h>
// Internet stuff
@@ -47,6 +48,10 @@
#include "http.h"
/*}}}*/
+string HttpMethod::FailFile;
+int HttpMethod::FailFd = -1;
+time_t HttpMethod::FailTime = 0;
+
// CircleBuf::CircleBuf - Circular input buffer /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -258,10 +263,25 @@ bool ServerState::Open()
return true;
Close();
-
+ In.Reset();
+ Out.Reset();
+
+ // Determine the proxy setting
+ string DefProxy = _config->Find("Acquire::http::Proxy",getenv("http_proxy"));
+ string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
+ if (SpecificProxy.empty() == false)
+ {
+ if (SpecificProxy == "DIRECT")
+ Proxy = "";
+ else
+ Proxy = SpecificProxy;
+ }
+ else
+ Proxy = DefProxy;
+
+ // Determine what host and port to use based on the proxy settings
int Port = 80;
- string Host;
-
+ string Host;
if (Proxy.empty() == true)
{
if (ServerName.Port != 0)
@@ -275,6 +295,9 @@ bool ServerState::Open()
Host = Proxy.Host;
}
+ /* We used a cached address record.. Yes this is against the spec but
+ the way we have setup our rotating dns suggests that this is more
+ sensible */
if (LastHost != Host)
{
Owner->Status("Connecting to %s",Host.c_str());
@@ -312,8 +335,6 @@ bool ServerState::Close()
{
close(ServerFd);
ServerFd = -1;
- In.Reset();
- Out.Reset();
return true;
}
/*}}}*/
@@ -556,7 +577,12 @@ void HttpMethod::SendReq(FetchItem *Itm,CircleBuf &Out)
ProperHost += Buf;
}
- // Build the request
+ /* Build the request. We include a keep-alive header only for non-proxy
+ requests. This is to tweak old http/1.0 servers that do support keep-alive
+ but not HTTP/1.1 automatic keep-alive. Doing this with a proxy server
+ will glitch HTTP/1.0 proxies because they do not filter it out and
+ pass it on, HTTP/1.1 says the connection should default to keep alive
+ and we expect the proxy to do this */
if (Proxy.empty() == true)
sprintf(Buf,"GET %s HTTP/1.1\r\nHost: %s\r\nConnection: keep-alive\r\n",
Uri.Path.c_str(),ProperHost.c_str());
@@ -564,7 +590,7 @@ void HttpMethod::SendReq(FetchItem *Itm,CircleBuf &Out)
sprintf(Buf,"GET %s HTTP/1.1\r\nHost: %s\r\n",
Itm->Uri.c_str(),ProperHost.c_str());
string Req = Buf;
-
+
// Check for a partial file
struct stat SBuf;
if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
@@ -794,7 +820,11 @@ int HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
File = new FileFd(Queue->DestFile,FileFd::WriteAny);
if (_error->PendingError() == true)
return 3;
-
+
+ FailFile = Queue->DestFile;
+ FailFd = File->Fd();
+ FailTime = Srv->Date;
+
// Set the expected size
if (Srv->StartPos >= 0)
{
@@ -824,11 +854,34 @@ int HttpMethod::DealWithHeaders(FetchResult &Res,ServerState *Srv)
return 0;
}
/*}}}*/
-// HttpMethod::Loop /*{{{*/
+// HttpMethod::SigTerm - Handle a fatal signal /*{{{*/
+// ---------------------------------------------------------------------
+/* This closes and timestamps the open file. This is neccessary to get
+ resume behavoir on user abort */
+void HttpMethod::SigTerm(int)
+{
+ if (FailFd == -1)
+ exit(100);
+ close(FailFd);
+
+ // Timestamp
+ struct utimbuf UBuf;
+ time(&UBuf.actime);
+ UBuf.actime = FailTime;
+ UBuf.modtime = FailTime;
+ utime(FailFile.c_str(),&UBuf);
+
+ exit(100);
+}
+ /*}}}*/
+// HttpMethod::Loop - Main loop /*{{{*/
// ---------------------------------------------------------------------
/* */
int HttpMethod::Loop()
{
+ signal(SIGTERM,SigTerm);
+ signal(SIGINT,SigTerm);
+
ServerState *Server = 0;
int FailCounter = 0;
@@ -906,16 +959,29 @@ int HttpMethod::Loop()
URIStart(Res);
// Run the data
- if (Server->RunData() == false)
- Fail();
- else
+ bool Result = Server->RunData();
+
+ // Close the file, destroy the FD object and timestamp it
+ FailFd = -1;
+ delete File;
+ File = 0;
+
+ // Timestamp
+ struct utimbuf UBuf;
+ time(&UBuf.actime);
+ UBuf.actime = Server->Date;
+ UBuf.modtime = Server->Date;
+ utime(Queue->DestFile.c_str(),&UBuf);
+
+ // Send status to APT
+ if (Result == true)
{
Res.MD5Sum = Server->In.MD5->Result();
URIDone(Res);
}
-
- delete File;
- File = 0;
+ else
+ Fail();
+
break;
}