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Merge pull request #1130 from ggtakec/update_multiread

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Strict processing of MultiRead method
This commit is contained in:
Takeshi Nakatani 2019-08-14 00:38:59 +09:00 committed by GitHub
commit e1886b5343
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1 changed files with 34 additions and 23 deletions
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21
src/curl.cpp
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@ -4152,14 +4152,17 @@ int S3fsMultiCurl::MultiRead()
{
int result = 0;
for(s3fscurllist_t::iterator iter = clist_req.begin(); iter != clist_req.end(); ++iter) {
for(s3fscurllist_t::iterator iter = clist_req.begin(); iter != clist_req.end(); ){
S3fsCurl* s3fscurl = *iter;
bool isRetry = false;
bool isPostpone = false;
long responseCode = -1;
if(s3fscurl->GetResponseCode(responseCode, false)){
if(400 > responseCode){
if(-1 == responseCode){
// This is a case where the processing result has not yet been updated (should be very rare).
isPostpone = true;
}else if(400 > responseCode){
// add into stat cache
if(SuccessCallback && !SuccessCallback(s3fscurl)){
S3FS_PRN_WARN("error from callback function(%s).", s3fscurl->url.c_str());
@ -4189,12 +4192,16 @@ int S3fsMultiCurl::MultiRead()
S3FS_PRN_ERR("failed a request(Unknown response code: %s)", s3fscurl->url.c_str());
}
if(isPostpone){
clist_req.erase(iter);
clist_req.push_back(s3fscurl); // Re-evaluate at the end
iter = clist_req.begin();
}else{
if(!isRetry || 0 != result){
// If an EIO error has already occurred, it will be terminated
// immediately even if retry processing is required.
s3fscurl->DestroyCurlHandle();
delete s3fscurl;
}else{
S3fsCurl* retrycurl = NULL;
@ -4213,13 +4220,17 @@ int S3fsMultiCurl::MultiRead()
delete s3fscurl;
}
}
iter = clist_req.erase(iter);
}
}
clist_req.clear();
if(0 != result){
// If an EIO error has already occurred, clear all retry objects.
for(s3fscurllist_t::iterator iter = clist_all.begin(); iter != clist_all.end(); ++iter){
delete (*iter);
S3fsCurl* s3fscurl = *iter;
s3fscurl->DestroyCurlHandle();
delete s3fscurl;
}
clist_all.clear();
}