IX Bid Adapter: increase request size limit

modules/ixBidAdapter.js

@@ -38,7 +38,6 @@ const BANNER_TIME_TO_LIVE = 300;
 const VIDEO_TIME_TO_LIVE = 3600; // 1hr
 const NATIVE_TIME_TO_LIVE = 3600; // Since native can have video, use ttl same as video
 const NET_REVENUE = true;
-const MAX_REQUEST_SIZE = 8000;
 const MAX_REQUEST_LIMIT = 4;
 const OUTSTREAM_MINIMUM_PLAYER_SIZE = [144, 144];
 const PRICE_TO_DOLLAR_FACTOR = {
@@ -586,6 +585,12 @@ function buildRequest(validBidRequests, bidderRequest, impressions, version) {
  let userEids = eidInfo.toSend;
  const pageUrl = deepAccess(bidderRequest, 'refererInfo.page');
 
+ let MAX_REQUEST_SIZE = 8000;
+ // Modify request size limit if its FT is enabeld.
+ if (FEATURE_TOGGLES.isFeatureEnabled('pbjs_use_32kb_size_limit')) {
+ MAX_REQUEST_SIZE = 32000
+ }
+
  // RTI ids will be included in the bid request if the function getIdentityInfo() is loaded
  // and if the data for the partner exist
  if (window.headertag && typeof window.headertag.getIdentityInfo === 'function') {
@@ -642,6 +647,9 @@ function buildRequest(validBidRequests, bidderRequest, impressions, version) {
  r.ext.ixdiag.err = cachedErrors;
  }
 
+ // Add number of available imps to ixDiag.
+ r.ext.ixdiag.imps = Object.keys(impressions).length;
+
  // set source.tid to auctionId for outgoing request to Exchange.
  r.source = {
  tid: validBidRequests[0].auctionId,

test/spec/modules/ixBidAdapter_spec.js

@@ -1563,6 +1563,13 @@ describe('IndexexchangeAdapter', function () {
  expect(r.ext.ixdiag.tmax).to.be.undefined
  });
 
+ it('should set ixdiag.imps to number of impressions', function () {
+ const request = spec.buildRequests(DEFAULT_BANNER_VALID_BID)[0];
+ const r = extractPayload(request);
+
+ expect(r.ext.ixdiag.imps).to.equal(1);
+ });
+
  it('should not send information that is not part of openRTB spec v2.5 using ortb2', function () {
  const ortb2 = {
  site: {
@@ -3388,6 +3395,99 @@ describe('IndexexchangeAdapter', function () {
  expect(FEATURE_TOGGLES.isFeatureEnabled('test')).to.be.undefined;
  expect(FEATURE_TOGGLES.featureToggles).to.deep.equal({});
  });
+
+ it('should set request size limit to 32KB when its feature enabled', () => {
+ sandbox.stub(storage, 'localStorageIsEnabled').returns(true);
+ serverResponse.body.ext.features.pbjs_use_32kb_size_limit = {
+ activated: true
+ };
+ FEATURE_TOGGLES.setFeatureToggles(serverResponse);
+ const bid = utils.deepClone(DEFAULT_MULTIFORMAT_VIDEO_VALID_BID[0]);
+ bid.bidderRequestId = Array(10000).join('#');
+
+ expect(spec.isBidRequestValid(bid)).to.be.true;
+ spec.buildRequests([bid], {});
+ const lsData = JSON.parse(storage.getDataFromLocalStorage(LOCAL_STORAGE_FEATURE_TOGGLES_KEY));
+ expect(lsData.features.pbjs_use_32kb_size_limit.activated).to.be.true;
+ });
+
+ it('6 ad units should generate only 2 requests if 32kb size limit FT is enabled', function () {
+ sandbox.stub(storage, 'localStorageIsEnabled').returns(true);
+ serverResponse.body.ext.features.pbjs_use_32kb_size_limit = {
+ activated: true
+ };
+ serverResponse.body.ext.features.pbjs_enable_post = {
+ activated: true
+ };
+ FEATURE_TOGGLES.setFeatureToggles(serverResponse);
+
+ const bid1 = utils.deepClone(DEFAULT_BANNER_VALID_BID[0]);
+ bid1.mediaTypes.banner.sizes = LARGE_SET_OF_SIZES;
+ bid1.params.siteId = '121';
+ bid1.adUnitCode = 'div-gpt-1'
+ bid1.transactionId = 'tr1';
+ bid1.bidId = '2f6g5s5e';
+
+ const bid2 = utils.deepClone(bid1);
+ bid2.transactionId = 'tr2';
+
+ const bid3 = utils.deepClone(bid1);
+ bid3.transactionId = 'tr3';
+
+ const bid4 = utils.deepClone(bid1);
+ bid4.transactionId = 'tr4';
+
+ const bid5 = utils.deepClone(bid1);
+ bid5.transactionId = 'tr5';
+
+ const bid6 = utils.deepClone(bid1);
+ bid6.transactionId = 'tr6';
+
+ const requests = spec.buildRequests([bid1, bid2, bid3, bid4, bid5, bid6], DEFAULT_OPTION);
+
+ expect(requests).to.be.an('array');
+ // 32KB size limit causes only 2 requests to get generated.
+ expect(requests).to.have.lengthOf(2);
+ for (let request of requests) {
+ expect(request.method).to.equal('POST');
+ }
+ });
+
+ it('4 ad units should generate only 1 requests if 32kb size limit FT is enabled', function () {
+ sandbox.stub(storage, 'localStorageIsEnabled').returns(true);
+ serverResponse.body.ext.features.pbjs_use_32kb_size_limit = {
+ activated: true
+ };
+ serverResponse.body.ext.features.pbjs_enable_post = {
+ activated: true
+ };
+ FEATURE_TOGGLES.setFeatureToggles(serverResponse);
+
+ const bid1 = utils.deepClone(DEFAULT_BANNER_VALID_BID[0]);
+ bid1.mediaTypes.banner.sizes = LARGE_SET_OF_SIZES;
+ bid1.params.siteId = '121';
+ bid1.adUnitCode = 'div-gpt-1'
+ bid1.transactionId = 'tr1';
+ bid1.bidId = '2f6g5s5e';
+
+ const bid2 = utils.deepClone(bid1);
+ bid2.transactionId = 'tr2';
+
+ const bid3 = utils.deepClone(bid1);
+ bid3.transactionId = 'tr3';
+
+ const bid4 = utils.deepClone(bid1);
+ bid4.transactionId = 'tr4';
+
+ const requests = spec.buildRequests([bid1, bid2, bid3, bid4], DEFAULT_OPTION);
+
+ expect(requests).to.be.an('array');
+ // 32KB size limit causes only 1 requests to get generated.
+ expect(requests).to.have.lengthOf(1);
+ for (let request of requests) {
+ expect(request.method).to.equal('POST');
+ }
+ });
  });
 
  describe('LocalStorage error codes', () => {