void ResourceLoadScheduler::servePendingRequests(ResourceLoadPriority minimumPriority)
{
LOG(ResourceLoading, "ResourceLoadScheduler::servePendingRequests. m_suspendPendingRequestsCount=%d", m_suspendPendingRequestsCount);
if (isSuspendingPendingRequests())
return;
m_requestTimer.stop();
servePendingRequests(m_nonHTTPProtocolHost, minimumPriority);
Vector<HostInformation*> hostsToServe;
m_hosts.checkConsistency();
HostMap::iterator end = m_hosts.end();
for (HostMap::iterator iter = m_hosts.begin(); iter != end; ++iter)
hostsToServe.append(iter->value);
int size = hostsToServe.size();
for (int i = 0; i < size; ++i) {
HostInformation* host = hostsToServe[i];
if (host->hasRequests())
servePendingRequests(host, minimumPriority);
else
delete m_hosts.take(host->name());
}
}
void ResourceLoadScheduler::scheduleLoad(ResourceLoader* resourceLoader, ResourceLoadPriority priority)
{
ASSERT(resourceLoader);
ASSERT(priority != ResourceLoadPriorityUnresolved);
#if !REQUEST_MANAGEMENT_ENABLED
priority = ResourceLoadPriorityHighest;
#endif
LOG(ResourceLoading, "ResourceLoadScheduler::load resource %p '%s'", resourceLoader, resourceLoader->url().string().latin1().data());
// If there's a web archive resource for this URL, we don't need to schedule the load since it will never touch the network.
if (resourceLoader->documentLoader()->archiveResourceForURL(resourceLoader->request().url())) {
resourceLoader->start();
return;
}
HostInformation* host = hostForURL(resourceLoader->url(), CreateIfNotFound);
bool hadRequests = host->hasRequests();
host->schedule(resourceLoader, priority);
if (priority > ResourceLoadPriorityLow || !resourceLoader->url().protocolIsInHTTPFamily() || (priority == ResourceLoadPriorityLow && !hadRequests)) {
// Try to request important resources immediately.
servePendingRequests(host, priority);
return;
}
notifyDidScheduleResourceRequest(resourceLoader);
// Handle asynchronously so early low priority requests don't
// get scheduled before later high priority ones.
scheduleServePendingRequests();
}
void ResourceLoadScheduler::scheduleLoad(ResourceLoader* resourceLoader, ResourceLoadPriority priority)
{
ASSERT(resourceLoader);
ASSERT(priority != ResourceLoadPriorityUnresolved);
LOG(ResourceLoading, "ResourceLoadScheduler::load resource %p '%s'", resourceLoader, resourceLoader->url().string().latin1().data());
#if PLATFORM(IOS)
// If there's a web archive resource for this URL, we don't need to schedule the load since it will never touch the network.
if (!isSuspendingPendingRequests() && resourceLoader->documentLoader()->archiveResourceForURL(resourceLoader->iOSOriginalRequest().url())) {
resourceLoader->startLoading();
return;
}
#else
if (resourceLoader->documentLoader()->archiveResourceForURL(resourceLoader->request().url())) {
resourceLoader->start();
return;
}
#endif
#if PLATFORM(IOS)
HostInformation* host = hostForURL(resourceLoader->iOSOriginalRequest().url(), CreateIfNotFound);
#else
HostInformation* host = hostForURL(resourceLoader->url(), CreateIfNotFound);
#endif
bool hadRequests = host->hasRequests();
host->schedule(resourceLoader, priority);
#if PLATFORM(COCOA) || USE(CFNETWORK)
if (!isSuspendingPendingRequests()) {
// Serve all requests at once to keep the pipeline full at the network layer.
// FIXME: Does this code do anything useful, given that we also set maxRequestsInFlightPerHost to effectively unlimited on these platforms?
servePendingRequests(host, ResourceLoadPriorityVeryLow);
return;
}
#endif
#if PLATFORM(IOS)
if ((priority > ResourceLoadPriorityLow || !resourceLoader->iOSOriginalRequest().url().protocolIsInHTTPFamily() || (priority == ResourceLoadPriorityLow && !hadRequests)) && !isSuspendingPendingRequests()) {
// Try to request important resources immediately.
servePendingRequests(host, priority);
return;
}
#else
if (priority > ResourceLoadPriorityLow || !resourceLoader->url().protocolIsInHTTPFamily() || (priority == ResourceLoadPriorityLow && !hadRequests)) {
// Try to request important resources immediately.
servePendingRequests(host, priority);
return;
}
#endif
notifyDidScheduleResourceRequest(resourceLoader);
// Handle asynchronously so early low priority requests don't
// get scheduled before later high priority ones.
scheduleServePendingRequests();
}
void ResourceLoadScheduler::scheduleLoad(ResourceLoader* resourceLoader, ResourceLoadPriority priority)
{
ASSERT(resourceLoader);
ASSERT(priority != ResourceLoadPriorityUnresolved);
#if !REQUEST_MANAGEMENT_ENABLED
priority = ResourceLoadPriorityHighest;
#endif
LOG(ResourceLoading, "ResourceLoadScheduler::load resource %p '%s'", resourceLoader, resourceLoader->url().string().latin1().data());
HostInformation* host = hostForURL(resourceLoader->url(), CreateIfNotFound);
bool hadRequests = host->hasRequests();
host->schedule(resourceLoader, priority);
if (priority > ResourceLoadPriorityLow || !resourceLoader->url().protocolInHTTPFamily() || (priority == ResourceLoadPriorityLow && !hadRequests)) {
// Try to request important resources immediately.
servePendingRequests(host, priority);
return;
}
// Handle asynchronously so early low priority requests don't get scheduled before later high priority ones.
InspectorInstrumentation::didScheduleResourceRequest(resourceLoader->frameLoader() ? resourceLoader->frameLoader()->frame()->document() : 0, resourceLoader->url());
scheduleServePendingRequests();
}