Esempio n. 1
0
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();
}
Esempio n. 2
0
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();
}
Esempio n. 3
0
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();
}