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fix 46375 (or part of it, anyway) reading large imap messages in too small chunks r=jefft, sr=mscott

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git-svn-id: svn://10.0.0.236/trunk@82210 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
bienvenu%netscape.com
2000-11-02 02:22:13 +00:00
parent b1f4b3b7ec
commit c8a17c1ca7
1 changed files with 16 additions and 7 deletions
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23
mozilla/mailnews/imap/src/nsImapProtocol.cpp
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@@ -2220,26 +2220,35 @@ nsImapProtocol::GetArbitraryHeadersToDownload()
return rv;
}
static void PRTime2Seconds(PRTime prTime, PRInt32 *seconds)
{
PRInt64 microSecondsPerSecond, intermediateResult;
LL_I2L(microSecondsPerSecond, PR_USEC_PER_SEC);
LL_DIV(intermediateResult, prTime, microSecondsPerSecond);
LL_L2I((*seconds), intermediateResult);
}
void
nsImapProtocol::AdjustChunkSize()
{
PRInt32 t32;
PRTime deltaTime;
PRInt32 deltaInSeconds;
m_endTime = PR_Now();
LL_SUB(deltaTime, m_endTime, m_startTime);
PRTime2Seconds(deltaTime, &deltaInSeconds);
m_trackingTime = PR_FALSE;
PRTime t;
LL_SUB(t, m_endTime, m_startTime);
if (! LL_GE_ZERO(t))
if (deltaInSeconds < 0)
return; // bogus for some reason
LL_L2I(t32, t);
if (t32 <= m_tooFastTime) {
if (deltaInSeconds <= m_tooFastTime) {
m_chunkSize += m_chunkAddSize;
m_chunkThreshold = m_chunkSize + (m_chunkSize / 2);
if (m_chunkSize > m_maxChunkSize)
m_chunkSize = m_maxChunkSize;
}
else if (t32 <= m_idealTime)
else if (deltaInSeconds <= m_idealTime)
return;
else {
if (m_chunkSize > m_chunkStartSize)