FB::SimpleStreamHelperPtr FB::SimpleStreamHelper::AsyncPost( const FB::BrowserHostPtr& host, const FB::URI& uri, const std::string& postdata,
const HttpCallback& callback, bool cache /*= true*/, size_t bufferSize /*= 256*1024*/ )
{
if (!host->isMainThread()) {
// This must be run from the main thread
return host->CallOnMainThread(boost::bind(&FB::SimpleStreamHelper::AsyncPost, host, uri, postdata, callback, cache, bufferSize));
}
FB::SimpleStreamHelperPtr ptr(boost::make_shared<FB::SimpleStreamHelper>(host, callback, bufferSize));
// This is kinda a weird trick; it's responsible for freeing itself, unless something decides
// to hold a reference to it.
ptr->keepReference(ptr);
FB::BrowserStreamPtr stream(host->createPostStream(uri.toString(), ptr, postdata, true, false, bufferSize));
return ptr;
}
FB::HttpStreamResponsePtr FB::SimpleStreamHelper::SynchronousPost( const FB::BrowserHostPtr& host,
const FB::URI& uri, const std::string& postdata, const bool cache /*= true*/, const size_t bufferSize /*= 128*1024*/ )
{
// Do not call this on the main thread.
assert(!host->isMainThread());
SyncHTTPHelper helper;
try {
FB::HttpCallback cb(boost::bind(&SyncHTTPHelper::getURLCallback, &helper, _1, _2, _3, _4));
FB::SimpleStreamHelperPtr ptr = AsyncPost(host, uri, postdata, cb, cache, bufferSize);
helper.setPtr(ptr);
helper.waitForDone();
} catch (const std::exception&) {
// If anything weird happens, just return NULL (to indicate failure)
return FB::HttpStreamResponsePtr();
}
return helper.m_response;
}
FB::HttpStreamResponsePtr FB::SimpleStreamHelper::SynchronousGet( const FB::BrowserHostPtr& host,
const FB::URI& uri, const bool cache /*= true*/, const size_t bufferSize /*= 128*1024*/ )
{
// We can't ever block on the main thread, so SynchronousGet can't be called from there.
// Also, if you could block the main thread, that still wouldn't work because the request
// is processed on the main thread!
assert(!host->isMainThread());
SyncGetHelper helper;
try {
FB::HttpCallback cb(boost::bind(&SyncGetHelper::getURLCallback, &helper, _1, _2, _3, _4));
FB::SimpleStreamHelperPtr ptr = AsyncGet(host, uri, cb, cache, bufferSize);
helper.setPtr(ptr);
helper.waitForDone();
} catch (const std::exception&) {
// If anything weird happens, just return NULL (to indicate failure)
return FB::HttpStreamResponsePtr();
}
return helper.m_response;
}
