Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2025-02-27 12:50:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 679090 - Disable IPv6 for backup connections to workaround problems about broken IPv6 connectivity; f=mcmanus r=biesi

Browse Source
This commit is contained in:
Masatoshi Kimura 2011-08-27 11:49:40 +01:00
parent 3c6c1791d8
commit 567cdedfaa
4 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
modules/libpref/src/init/all.js
View File

@ -778,6 +778,10 @@ pref("network.http.qos", 0);
// connection.
pref("network.http.connection-retry-timeout", 250);
// Disable IPv6 for backup connections to workaround problems about broken
// IPv6 connectivity.
pref("network.http.fast-fallback-to-IPv4", false);
// default values for FTP
// in a DSCP environment this should be 40 (0x28, or AF11), per RFC-4594,
// Section 4.8 "High-Throughput Data Service Class", and 80 (0x50, or AF22)

2
netwerk/protocol/http/nsHttpConnectionMgr.cpp
View File

@ -1368,7 +1368,7 @@ nsHalfOpenSocket::SetupStreams(nsISocketTransport **transport,
// IPv6 on the backup connection gives them a much better user experience
// with dual-stack hosts, though they still pay the 250ms delay for each new
// connection. This strategy is also known as "happy eyeballs".
if (isBackup)
if (isBackup && gHttpHandler->FastFallbackToIPv4())
tmpFlags |= nsISocketTransport::DISABLE_IPV6;
socketTransport->SetConnectionFlags(tmpFlags);

7
netwerk/protocol/http/nsHttpHandler.cpp
View File

@ -170,6 +170,7 @@ nsHttpHandler::nsHttpHandler()
, mCapabilities(NS_HTTP_ALLOW_KEEPALIVE)
, mProxyCapabilities(NS_HTTP_ALLOW_KEEPALIVE)
, mReferrerLevel(0xff) // by default we always send a referrer
, mFastFallbackToIPv4(PR_FALSE)
, mIdleTimeout(10)
, mMaxRequestAttempts(10)
, mMaxRequestDelay(10)
@ -898,6 +899,12 @@ nsHttpHandler::PrefsChanged(nsIPrefBranch *prefs, const char *pref)
mIdleSynTimeout = (PRUint16) NS_CLAMP(val, 0, 3000);
}
if (PREF_CHANGED(HTTP_PREF("fast-fallback-to-IPv4"))) {
rv = prefs->GetBoolPref(HTTP_PREF("fast-fallback-to-IPv4"), &cVar);
if (NS_SUCCEEDED(rv))
mFastFallbackToIPv4 = cVar;
}
if (PREF_CHANGED(HTTP_PREF("version"))) {
nsXPIDLCString httpVersion;
prefs->GetCharPref(HTTP_PREF("version"), getter_Copies(httpVersion));

5
netwerk/protocol/http/nsHttpHandler.h
View File

@ -107,7 +107,8 @@ public:
PRUint32 PhishyUserPassLength() { return mPhishyUserPassLength; }
PRUint8 GetQoSBits() { return mQoSBits; }
PRUint16 GetIdleSynTimeout() { return mIdleSynTimeout; }
PRBool FastFallbackToIPv4() { return mFastFallbackToIPv4; }
PRBool IsPersistentHttpsCachingEnabled() { return mEnablePersistentHttpsCaching; }
PRBool PromptTempRedirect() { return mPromptTempRedirect; }
@ -259,6 +260,8 @@ private:
PRUint8 mProxyCapabilities;
PRUint8 mReferrerLevel;
PRPackedBool mFastFallbackToIPv4;
PRUint16 mIdleTimeout;
PRUint16 mMaxRequestAttempts;
PRUint16 mMaxRequestDelay;