void LLHTTPAssetStorage::bumpTimedOutUploads()
{
// No point bumping currently running uploads if there are no others in line.
if (!(mPendingUploads.size() > mRunningUploads.size()))
{
return;
}
F64 mt_secs = LLMessageSystem::getMessageTimeSeconds();
// deletePendingRequest will modify the mRunningUploads list so we don't want to iterate over it.
request_list_t temp_running = mRunningUploads;
request_list_t::iterator it = temp_running.begin();
request_list_t::iterator end = temp_running.end();
for ( ; it != end; ++it)
{
//request_list_t::iterator curiter = iter++;
LLAssetRequest* req = *it;
if ( LL_ASSET_STORAGE_TIMEOUT < (mt_secs - req->mTime) )
{
llwarns << "Asset upload request timed out for "
<< req->getUUID() << "."
<< LLAssetType::lookup(req->getType())
<< ", bumping to the back of the line!" << llendl;
deletePendingRequest(RT_UPLOAD, req->getType(), req->getUUID());
}
}
}
// virtual
bool LLAssetStorage::deletePendingRequestImpl(LLAssetStorage::request_list_t* requests,
LLAssetType::EType asset_type,
const LLUUID& asset_id)
{
LLAssetRequest* req = findRequest(requests, asset_type, asset_id);
if (req)
{
// Remove the request from this list.
requests->remove(req);
S32 error = LL_ERR_TCP_TIMEOUT;
// Run callbacks.
if (req->mUpCallback)
{
req->mUpCallback(req->getUUID(), req->mUserData, error, LL_EXSTAT_REQUEST_DROPPED);
}
if (req->mDownCallback)
{
req->mDownCallback(mVFS, req->getUUID(), req->getType(), req->mUserData, error, LL_EXSTAT_REQUEST_DROPPED);
}
if (req->mInfoCallback)
{
LLAssetInfo info;
req->mInfoCallback(&info, req->mUserData, error);
}
delete req;
return true;
}
return false;
}
void LLAssetStorage::_cleanupRequests(BOOL all, S32 error)
{
F64 mt_secs = LLMessageSystem::getMessageTimeSeconds();
request_list_t timed_out;
S32 rt;
for (rt = 0; rt < RT_COUNT; rt++)
{
request_list_t* requests = getRequestList((ERequestType)rt);
for (request_list_t::iterator iter = requests->begin();
iter != requests->end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* tmp = *curiter;
// if all is true, we want to clean up everything
// otherwise just check for timed out requests
// EXCEPT for upload timeouts
if (all
|| ((RT_DOWNLOAD == rt)
&& LL_ASSET_STORAGE_TIMEOUT < (mt_secs - tmp->mTime)))
{
llwarns << "Asset " << getRequestName((ERequestType)rt) << " request "
<< (all ? "aborted" : "timed out") << " for "
<< tmp->getUUID() << "."
<< LLAssetType::lookup(tmp->getType()) << llendl;
timed_out.push_front(tmp);
iter = requests->erase(curiter);
}
}
}
LLAssetInfo info;
for (request_list_t::iterator iter = timed_out.begin();
iter != timed_out.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* tmp = *curiter;
if (tmp->mUpCallback)
{
tmp->mUpCallback(tmp->getUUID(), tmp->mUserData, error, LL_EXSTAT_NONE);
}
if (tmp->mDownCallback)
{
tmp->mDownCallback(mVFS, tmp->getUUID(), tmp->getType(), tmp->mUserData, error, LL_EXSTAT_NONE);
}
if (tmp->mInfoCallback)
{
tmp->mInfoCallback(&info, tmp->mUserData, error);
}
delete tmp;
}
}
void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, void (*callback)(const char*, const LLUUID&, void *, S32, LLExtStat), void *user_data, BOOL is_priority)
{
// check for duplicates here, since we're about to fool the normal duplicate checker
for (request_list_t::iterator iter = mPendingDownloads.begin();
iter != mPendingDownloads.end(); )
{
LLAssetRequest* tmp = *iter++;
if (type == tmp->getType() &&
uuid == tmp->getUUID() &&
legacyGetDataCallback == tmp->mDownCallback &&
callback == ((LLLegacyAssetRequest *)tmp->mUserData)->mDownCallback &&
user_data == ((LLLegacyAssetRequest *)tmp->mUserData)->mUserData)
{
// this is a duplicate from the same subsystem - throw it away
llinfos << "Discarding duplicate request for UUID " << uuid << llendl;
return;
}
}
LLLegacyAssetRequest *legacy = new LLLegacyAssetRequest;
legacy->mDownCallback = callback;
legacy->mUserData = user_data;
getAssetData(uuid, type, legacyGetDataCallback, (void **)legacy,
is_priority);
}
// virtual
LLSD LLAssetStorage::getPendingDetailsImpl(const LLAssetStorage::request_list_t* requests,
LLAssetType::EType asset_type,
const std::string& detail_prefix) const
{
LLSD details;
if (requests)
{
request_list_t::const_iterator it = requests->begin();
request_list_t::const_iterator end = requests->end();
for ( ; it != end; ++it)
{
LLAssetRequest* req = *it;
if ( (LLAssetType::AT_NONE == asset_type)
|| (req->getType() == asset_type) )
{
LLSD row = req->getTerseDetails();
std::ostringstream detail;
detail << detail_prefix << "/" << LLAssetType::lookup(req->getType())
<< "/" << req->getUUID();
row["detail"] = LLURI(detail.str());
details.append(row);
}
}
}
return details;
}
void LLAssetStorage::_callUploadCallbacks(const LLUUID &uuid, LLAssetType::EType asset_type, BOOL success, LLExtStat ext_status )
{
// SJB: We process the callbacks in reverse order, I do not know if this is important,
// but I didn't want to mess with it.
request_list_t requests;
for (request_list_t::iterator iter = mPendingUploads.begin();
iter != mPendingUploads.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* req = *curiter;
if ((req->getUUID() == uuid) && (req->getType() == asset_type))
{
requests.push_front(req);
iter = mPendingUploads.erase(curiter);
}
}
for (request_list_t::iterator iter = mPendingLocalUploads.begin();
iter != mPendingLocalUploads.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* req = *curiter;
if ((req->getUUID() == uuid) && (req->getType() == asset_type))
{
requests.push_front(req);
iter = mPendingLocalUploads.erase(curiter);
}
}
for (request_list_t::iterator iter = requests.begin();
iter != requests.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* req = *curiter;
if (req->mUpCallback)
{
req->mUpCallback(uuid, req->mUserData, (success ? LL_ERR_NOERR : LL_ERR_ASSET_REQUEST_FAILED ), ext_status );
}
delete req;
}
}
// static
LLAssetRequest* LLAssetStorage::findRequest(LLAssetStorage::request_list_t* requests,
LLAssetType::EType asset_type,
const LLUUID& asset_id)
{
if (requests)
{
// Search the requests list for the asset.
request_list_t::iterator iter = requests->begin();
request_list_t::iterator end = requests->end();
for (; iter != end; ++iter)
{
LLAssetRequest* req = *iter;
if (asset_type == req->getType() &&
asset_id == req->getUUID() )
{
return req;
}
}
}
return NULL;
}
void LLAssetStorage::downloadCompleteCallback(
S32 result,
const LLUUID& file_id,
LLAssetType::EType file_type,
void* user_data, LLExtStat ext_status)
{
lldebugs << "LLAssetStorage::downloadCompleteCallback() for " << file_id
<< "," << LLAssetType::lookup(file_type) << llendl;
LLAssetRequest* req = (LLAssetRequest*)user_data;
if(!req)
{
llwarns << "LLAssetStorage::downloadCompleteCallback called without"
"a valid request." << llendl;
return;
}
if (!gAssetStorage)
{
llwarns << "LLAssetStorage::downloadCompleteCallback called without any asset system, aborting!" << llendl;
return;
}
// Inefficient since we're doing a find through a list that may have thousands of elements.
// This is due for refactoring; we will probably change mPendingDownloads into a set.
request_list_t::iterator download_iter = std::find(gAssetStorage->mPendingDownloads.begin(),
gAssetStorage->mPendingDownloads.end(),
req);
// If the LLAssetRequest doesn't exist in the downloads queue, then it either has already been deleted
// by _cleanupRequests, or it's a transfer.
if (download_iter != gAssetStorage->mPendingDownloads.end())
{
req->setUUID(file_id);
req->setType(file_type);
}
if (LL_ERR_NOERR == result)
{
// we might have gotten a zero-size file
LLVFile vfile(gAssetStorage->mVFS, req->getUUID(), req->getType());
if (vfile.getSize() <= 0)
{
llwarns << "downloadCompleteCallback has non-existent or zero-size asset " << req->getUUID() << llendl;
result = LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE;
vfile.remove();
}
}
// find and callback ALL pending requests for this UUID
// SJB: We process the callbacks in reverse order, I do not know if this is important,
// but I didn't want to mess with it.
request_list_t requests;
for (request_list_t::iterator iter = gAssetStorage->mPendingDownloads.begin();
iter != gAssetStorage->mPendingDownloads.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* tmp = *curiter;
if ((tmp->getUUID() == file_id) && (tmp->getType()== file_type))
{
requests.push_front(tmp);
iter = gAssetStorage->mPendingDownloads.erase(curiter);
}
}
for (request_list_t::iterator iter = requests.begin();
iter != requests.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* tmp = *curiter;
if (tmp->mDownCallback)
{
tmp->mDownCallback(gAssetStorage->mVFS, req->getUUID(), req->getType(), tmp->mUserData, result, ext_status);
}
delete tmp;
}
}
// IW - uuid is passed by value to avoid side effects, please don't re-add &
void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, void (*callback)(LLVFS *vfs, const LLUUID&, LLAssetType::EType, void *, S32, LLExtStat), void *user_data, BOOL is_priority)
{
lldebugs << "LLAssetStorage::getAssetData() - " << uuid << "," << LLAssetType::lookup(type) << llendl;
if (mShutDown)
{
return; // don't get the asset or do any callbacks, we are shutting down
}
if (uuid.isNull())
{
// Special case early out for NULL uuid
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
}
return;
}
/* <edit> */
if(std::find(mBlackListedAsset.begin(),mBlackListedAsset.end(),uuid) != mBlackListedAsset.end())
{
llinfos << "Blacklisted asset " << uuid.asString() << " was trying to be accessed!!!!!!" << llendl;
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
}
return;
}
/* </edit> */
BOOL exists = mVFS->getExists(uuid, type);
LLVFile file(mVFS, uuid, type);
U32 size = exists ? file.getSize() : 0;
if (size < 1)
{
if (exists)
{
llwarns << "Asset vfile " << uuid << ":" << type << " found with bad size " << file.getSize() << ", removing" << llendl;
file.remove();
}
BOOL duplicate = FALSE;
// check to see if there's a pending download of this uuid already
for (request_list_t::iterator iter = mPendingDownloads.begin();
iter != mPendingDownloads.end(); ++iter )
{
LLAssetRequest *tmp = *iter;
if ((type == tmp->getType()) && (uuid == tmp->getUUID()))
{
if (callback == tmp->mDownCallback && user_data == tmp->mUserData)
{
// this is a duplicate from the same subsystem - throw it away
llwarns << "Discarding duplicate request for asset " << uuid
<< "." << LLAssetType::lookup(type) << llendl;
return;
}
// this is a duplicate request
// queue the request, but don't actually ask for it again
duplicate = TRUE;
}
}
if (duplicate)
{
llinfos << "Adding additional non-duplicate request for asset " << uuid
<< "." << LLAssetType::lookup(type) << llendl;
}
// This can be overridden by subclasses
_queueDataRequest(uuid, type, callback, user_data, duplicate, is_priority);
}
else
{
// we've already got the file
// theoretically, partial files w/o a pending request shouldn't happen
// unless there's a weird error
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
}
}
}
// overloaded to additionally move data to/from the webserver
void LLHTTPAssetStorage::checkForTimeouts()
{
CURLMcode mcode;
LLAssetRequest *req;
while ( (req = findNextRequest(mPendingDownloads, mRunningDownloads)) )
{
// Setup this curl download request
// We need to generate a new request here
// since the one in the list could go away
char tmp_url[MAX_STRING]; /*Flawfinder: ignore*/
char uuid_str[UUID_STR_LENGTH]; /*Flawfinder: ignore*/
req->getUUID().toString(uuid_str);
std::string base_url = getBaseURL(req->getUUID(), req->getType());
snprintf(tmp_url, sizeof(tmp_url), "%s/%36s.%s", base_url.c_str() , uuid_str, LLAssetType::lookup(req->getType())); /* Flawfinder: ignore */
LLHTTPAssetRequest *new_req = new LLHTTPAssetRequest(this, req->getUUID(),
req->getType(), RT_DOWNLOAD, tmp_url, mCurlMultiHandle);
new_req->mTmpUUID.generate();
// Sets pending download flag internally
new_req->setupCurlHandle();
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_FOLLOWLOCATION, TRUE);
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_WRITEFUNCTION, &curlDownCallback);
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_WRITEDATA, new_req->mCurlHandle);
mcode = curl_multi_add_handle(mCurlMultiHandle, new_req->mCurlHandle);
if (mcode > CURLM_OK)
{
// Failure. Deleting the pending request will remove it from the running
// queue, and push it to the end of the pending queue.
new_req->cleanupCurlHandle();
deletePendingRequest(RT_DOWNLOAD, new_req->getType(), new_req->getUUID());
break;
}
else
{
llinfos << "Requesting " << new_req->mURLBuffer << llendl;
}
}
while ( (req = findNextRequest(mPendingUploads, mRunningUploads)) )
{
// setup this curl upload request
bool do_compress = req->getType() == LLAssetType::AT_OBJECT;
char tmp_url[MAX_STRING];/*Flawfinder: ignore*/
char uuid_str[UUID_STR_LENGTH];/*Flawfinder: ignore*/
req->getUUID().toString(uuid_str);
snprintf(tmp_url, sizeof(tmp_url), /* Flawfinder: ignore */
do_compress ? "%s/%s.%s.gz" : "%s/%s.%s",
mBaseURL.c_str(), uuid_str, LLAssetType::lookup(req->getType()));
LLHTTPAssetRequest *new_req = new LLHTTPAssetRequest(this, req->getUUID(),
req->getType(), RT_UPLOAD, tmp_url, mCurlMultiHandle);
if (do_compress)
{
new_req->prepareCompressedUpload();
}
// Sets pending upload flag internally
new_req->setupCurlHandle();
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_UPLOAD, 1);
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_WRITEFUNCTION, &nullOutputCallback);
if (do_compress)
{
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_READFUNCTION,
&LLHTTPAssetRequest::curlCompressedUploadCallback);
}
else
{
LLVFile file(mVFS, req->getUUID(), req->getType());
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_INFILESIZE, file.getSize());
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_READFUNCTION,
&curlUpCallback);
}
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_READDATA, new_req->mCurlHandle);
mcode = curl_multi_add_handle(mCurlMultiHandle, new_req->mCurlHandle);
if (mcode > CURLM_OK)
{
// Failure. Deleting the pending request will remove it from the running
// queue, and push it to the end of the pending queue.
new_req->cleanupCurlHandle();
deletePendingRequest(RT_UPLOAD, new_req->getType(), new_req->getUUID());
break;
}
else
{
llinfos << "Requesting PUT " << new_req->mURLBuffer << llendl;
}
// Pending upload will have been flagged by the request
}
while ( (req = findNextRequest(mPendingLocalUploads, mRunningLocalUploads)) )
{
// setup this curl upload request
LLVFile file(mVFS, req->getUUID(), req->getType());
char tmp_url[MAX_STRING]; /*Flawfinder: ignore*/
char uuid_str[UUID_STR_LENGTH]; /*Flawfinder: ignore*/
req->getUUID().toString(uuid_str);
// KLW - All temporary uploads are saved locally "http://localhost:12041/asset"
snprintf(tmp_url, sizeof(tmp_url), "%s/%36s.%s", mLocalBaseURL.c_str(), uuid_str, LLAssetType::lookup(req->getType())); /* Flawfinder: ignore */
LLHTTPAssetRequest *new_req = new LLHTTPAssetRequest(this, req->getUUID(),
req->getType(), RT_LOCALUPLOAD, tmp_url, mCurlMultiHandle);
new_req->mRequestingAgentID = req->mRequestingAgentID;
// Sets pending upload flag internally
new_req->setupCurlHandle();
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_PUT, 1);
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_INFILESIZE, file.getSize());
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_WRITEFUNCTION, &nullOutputCallback);
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_READFUNCTION, &curlUpCallback);
curl_easy_setopt(new_req->mCurlHandle, CURLOPT_READDATA, new_req->mCurlHandle);
mcode = curl_multi_add_handle(mCurlMultiHandle, new_req->mCurlHandle);
if (mcode > CURLM_OK)
{
// Failure. Deleting the pending request will remove it from the running
// queue, and push it to the end of the pending queue.
new_req->cleanupCurlHandle();
deletePendingRequest(RT_LOCALUPLOAD, new_req->getType(), new_req->getUUID());
break;
}
else
{
llinfos << "TAT: LLHTTPAssetStorage::checkForTimeouts() : pending local!"
<< " Requesting PUT " << new_req->mURLBuffer << llendl;
}
// Pending upload will have been flagged by the request
}
S32 count = 0;
int queue_length;
do
{
mcode = curl_multi_perform(mCurlMultiHandle, &queue_length);
count++;
} while (mcode == CURLM_CALL_MULTI_PERFORM && (count < 5));
CURLMsg *curl_msg;
do
{
curl_msg = curl_multi_info_read(mCurlMultiHandle, &queue_length);
if (curl_msg && curl_msg->msg == CURLMSG_DONE)
{
long curl_result = 0;
S32 xfer_result = 0;
LLHTTPAssetRequest *req = NULL;
curl_easy_getinfo(curl_msg->easy_handle, CURLINFO_PRIVATE, &req);
curl_easy_getinfo(curl_msg->easy_handle, CURLINFO_HTTP_CODE, &curl_result);
if (RT_UPLOAD == req->mRequestType || RT_LOCALUPLOAD == req->mRequestType)
{
if (curl_msg->data.result == CURLE_OK &&
( curl_result == HTTP_OK
|| curl_result == HTTP_PUT_OK
|| curl_result == HTTP_NO_CONTENT))
{
llinfos << "Success uploading " << req->getUUID() << " to " << req->mURLBuffer << llendl;
if (RT_LOCALUPLOAD == req->mRequestType)
{
addTempAssetData(req->getUUID(), req->mRequestingAgentID, mHostName);
}
}
else if (curl_msg->data.result == CURLE_COULDNT_CONNECT ||
curl_msg->data.result == CURLE_OPERATION_TIMEOUTED ||
curl_result == HTTP_SERVER_BAD_GATEWAY ||
curl_result == HTTP_SERVER_TEMP_UNAVAILABLE)
{
llwarns << "Re-requesting upload for " << req->getUUID() << ". Received upload error to " << req->mURLBuffer <<
" with result " << curl_easy_strerror(curl_msg->data.result) << ", http result " << curl_result << llendl;
}
else
{
llwarns << "Failure uploading " << req->getUUID() << " to " << req->mURLBuffer <<
" with result " << curl_easy_strerror(curl_msg->data.result) << ", http result " << curl_result << llendl;
xfer_result = LL_ERR_ASSET_REQUEST_FAILED;
}
if (!(curl_msg->data.result == CURLE_COULDNT_CONNECT ||
curl_msg->data.result == CURLE_OPERATION_TIMEOUTED ||
curl_result == HTTP_SERVER_BAD_GATEWAY ||
curl_result == HTTP_SERVER_TEMP_UNAVAILABLE))
{
// shared upload finished callback
// in the base class, this is called from processUploadComplete
_callUploadCallbacks(req->getUUID(), req->getType(), (xfer_result == 0));
// Pending upload flag will get cleared when the request is deleted
}
}
else if (RT_DOWNLOAD == req->mRequestType)
{
if (curl_result == HTTP_OK && curl_msg->data.result == CURLE_OK)
{
if (req->mVFile && req->mVFile->getSize() > 0)
{
llinfos << "Success downloading " << req->mURLBuffer << ", size " << req->mVFile->getSize() << llendl;
req->mVFile->rename(req->getUUID(), req->getType());
}
else
{
// *TODO: if this actually indicates a bad asset on the server
// (not certain at this point), then delete it
llwarns << "Found " << req->mURLBuffer << " to be zero size" << llendl;
xfer_result = LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE;
}
}
else
{
// KLW - TAT See if an avatar owns this texture, and if so request re-upload.
llwarns << "Failure downloading " << req->mURLBuffer <<
" with result " << curl_easy_strerror(curl_msg->data.result) << ", http result " << curl_result << llendl;
xfer_result = (curl_result == HTTP_MISSING) ? LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE : LL_ERR_ASSET_REQUEST_FAILED;
if (req->mVFile)
{
req->mVFile->remove();
}
}
// call the static callback for transfer completion
// this will cleanup all requests for this asset, including ours
downloadCompleteCallback(
xfer_result,
req->getUUID(),
req->getType(),
(void *)req);
// Pending download flag will get cleared when the request is deleted
}
else
{
// nothing, just axe this request
// currently this can only mean an asset delete
}
// Deleting clears the pending upload/download flag if it's set and the request is transferring
delete req;
req = NULL;
}
} while (curl_msg && queue_length > 0);
// Cleanup
// We want to bump to the back of the line any running uploads that have timed out.
bumpTimedOutUploads();
LLAssetStorage::checkForTimeouts();
}
// IW - uuid is passed by value to avoid side effects, please don't re-add &
void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, LLGetAssetCallback callback, void *user_data, BOOL is_priority)
{
LL_DEBUGS("AssetStorage") << "LLAssetStorage::getAssetData() - " << uuid << "," << LLAssetType::lookup(type) << LL_ENDL;
LL_DEBUGS("AssetStorage") << "ASSET_TRACE requesting " << uuid << " type " << LLAssetType::lookup(type) << LL_ENDL;
if (user_data)
{
// The *user_data should not be passed without a callback to clean it up.
llassert(callback != NULL);
}
if (mShutDown)
{
LL_DEBUGS("AssetStorage") << "ASSET_TRACE cancelled " << uuid << " type " << LLAssetType::lookup(type) << " shutting down" << LL_ENDL;
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_FAILED, LL_EXSTAT_NONE);
}
return;
}
if (uuid.isNull())
{
// Special case early out for NULL uuid and for shutting down
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
}
return;
}
if(std::find(mBlackListedAsset.begin(),mBlackListedAsset.end(),uuid) != mBlackListedAsset.end())
{
LL_INFOS() << "Blacklisted asset " << uuid.asString() << " was trying to be accessed!!!!!!" << LL_ENDL;
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
}
return;
}
// Try static VFS first.
if (findInStaticVFSAndInvokeCallback(uuid,type,callback,user_data))
{
LL_DEBUGS("AssetStorage") << "ASSET_TRACE asset " << uuid << " found in static VFS" << LL_ENDL;
return;
}
BOOL exists = mVFS->getExists(uuid, type);
LLVFile file(mVFS, uuid, type);
U32 size = exists ? file.getSize() : 0;
if (size > 0)
{
// we've already got the file
// theoretically, partial files w/o a pending request shouldn't happen
// unless there's a weird error
if (callback)
{
callback(mVFS, uuid, type, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
}
LL_DEBUGS("AssetStorage") << "ASSET_TRACE asset " << uuid << " found in VFS" << LL_ENDL;
}
else
{
if (exists)
{
LL_WARNS() << "Asset vfile " << uuid << ":" << type << " found with bad size " << file.getSize() << ", removing" << LL_ENDL;
file.remove();
}
BOOL duplicate = FALSE;
// check to see if there's a pending download of this uuid already
for (request_list_t::iterator iter = mPendingDownloads.begin();
iter != mPendingDownloads.end(); ++iter )
{
LLAssetRequest *tmp = *iter;
if ((type == tmp->getType()) && (uuid == tmp->getUUID()))
{
if (callback == tmp->mDownCallback && user_data == tmp->mUserData)
{
// this is a duplicate from the same subsystem - throw it away
LL_WARNS() << "Discarding duplicate request for asset " << uuid
<< "." << LLAssetType::lookup(type) << LL_ENDL;
return;
}
// this is a duplicate request
// queue the request, but don't actually ask for it again
duplicate = TRUE;
}
}
if (duplicate)
{
LL_DEBUGS("AssetStorage") << "Adding additional non-duplicate request for asset " << uuid
<< "." << LLAssetType::lookup(type) << LL_ENDL;
}
// This can be overridden by subclasses
_queueDataRequest(uuid, type, callback, user_data, duplicate, is_priority);
}
}
void LLAssetStorage::downloadCompleteCallback(
S32 result,
const LLUUID& file_id,
LLAssetType::EType file_type,
void* user_data, LLExtStat ext_status)
{
lldebugs << "LLAssetStorage::downloadCompleteCallback() for " << file_id
<< "," << LLAssetType::lookup(file_type) << llendl;
LLAssetRequest* req = (LLAssetRequest*)user_data;
if(!req)
{
llwarns << "LLAssetStorage::downloadCompleteCallback called without"
"a valid request." << llendl;
return;
}
if (!gAssetStorage)
{
llwarns << "LLAssetStorage::downloadCompleteCallback called without any asset system, aborting!" << llendl;
return;
}
req->setUUID(file_id);
req->setType(file_type);
if (LL_ERR_NOERR == result)
{
// we might have gotten a zero-size file
LLVFile vfile(gAssetStorage->mVFS, req->getUUID(), req->getType());
if (vfile.getSize() <= 0)
{
llwarns << "downloadCompleteCallback has non-existent or zero-size asset " << req->getUUID() << llendl;
result = LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE;
vfile.remove();
}
}
// find and callback ALL pending requests for this UUID
// SJB: We process the callbacks in reverse order, I do not know if this is important,
// but I didn't want to mess with it.
request_list_t requests;
for (request_list_t::iterator iter = gAssetStorage->mPendingDownloads.begin();
iter != gAssetStorage->mPendingDownloads.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* tmp = *curiter;
if ((tmp->getUUID() == req->getUUID()) && (tmp->getType()== req->getType()))
{
requests.push_front(tmp);
iter = gAssetStorage->mPendingDownloads.erase(curiter);
}
}
for (request_list_t::iterator iter = requests.begin();
iter != requests.end(); )
{
request_list_t::iterator curiter = iter++;
LLAssetRequest* tmp = *curiter;
if (tmp->mDownCallback)
{
tmp->mDownCallback(gAssetStorage->mVFS, req->getUUID(), req->getType(), tmp->mUserData, result, ext_status);
}
delete tmp;
}
}
