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Suppress "Expect:" header for POST and PUT. No longer use CURLOPT_COPYPOSTFIELDS.

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For POST and PUT, libcurl adds by default a "Expect: 100-continue"
header and wait for the server to reply with a 100 response.
However, since the server never does that (LL comment in the
code "I'm not sure what it means") it's up to libcurl to continue
anyway after a while and that part is apparently bugged, causing
people not to be able to login sometimes. But suppressing the
header, libcurl doesn't wait for it and we worked around this bug.

The commit introduces a much improved CurlEasyRequest::setPost
method that enforces the above for POST, but that also no longer
uses CURLOPT_COPYPOSTFIELDS (but CURLOPT_POSTFIELDS), no longer
making a copy of the body of what we are going to send to the server.
Instead it uses a new object, derived from AIPostField, to keep track
of this data and to dispose of it once the transaction is complete
(and no sooner).

Copied from llcorehttp, we now also always set a "Connection:
keep-alive" and "Keep-alive: 300" header for POST.
This was already done for texture downloads (HttpOpRequest),
but now we do it always :p. Might need to be changed in the
future, but currently those headers are ignored by the server
anyway.
This commit is contained in:
Aleric Inglewood
2012-08-12 16:34:20 +02:00
parent 2fbe7ab6ce
commit 304fa05094
7 changed files with 91 additions and 53 deletions
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14
indra/llmessage/llurlrequest.cpp
View File

@@ -526,6 +526,7 @@ bool LLURLRequest::configure()
curlEasyRequest_w->setopt(CURLOPT_FOLLOWLOCATION, 1);
rv = true;
break;
case HTTP_GET:
curlEasyRequest_w->setopt(CURLOPT_HTTPGET, 1);
curlEasyRequest_w->setopt(CURLOPT_FOLLOWLOCATION, 1);
@@ -538,24 +539,15 @@ bool LLURLRequest::configure()
case HTTP_PUT:
// Disable the expect http 1.1 extension. POST and PUT default
// to turning this on, and I am not too sure what it means.
addHeader("Expect:");
curlEasyRequest_w->addHeader("Expect:");
curlEasyRequest_w->setopt(CURLOPT_UPLOAD, 1);
curlEasyRequest_w->setopt(CURLOPT_INFILESIZE, bytes);
rv = true;
break;
case HTTP_POST:
// Disable the expect http 1.1 extension. POST and PUT default
// to turning this on, and I am not too sure what it means.
addHeader("Expect:");
// Disable the content type http header.
// *FIX: what should it be?
addHeader("Content-Type:");
// Set the handle for an http post
curlEasyRequest_w->setPost(NULL, bytes);
curlEasyRequest_w->setPost(bytes);
// Set Accept-Encoding to allow response compression
curlEasyRequest_w->setoptString(CURLOPT_ENCODING, "");