Exemplo n.º 1
0
 /// <summary>
 /// A simple function that takes a string and does a ToUpper
 /// </summary>
 /// <param name="input"></param>
 /// <param name="context"></param>
 /// <returns></returns>
 public void FunctionHandler(Amazon.Lambda.SQSEvents.SQSEvent sqsEvent, ILambdaContext context)
 {
     try
     {
         PollTracks.Poll(sqsEvent, context, false);
     }
     catch (Exception e)
     {
         context.Logger.LogLine(e.Message);
         context.Logger.LogLine(e.StackTrace);
     }
 }
Exemplo n.º 2
0
        /// <summary>
        /// A simple function that takes a string and does a ToUpper
        /// </summary>
        /// <param name="input"></param>
        /// <param name="context"></param>
        /// <returns></returns>
        public void FunctionHandler(Amazon.Lambda.SQSEvents.SQSEvent sqsEvent, ILambdaContext context)
        {
            string storageConnectionString;

            if (!ssmParameterManager.TryGetValue(Constants.StorageConnectionStringSSMPath, out storageConnectionString))
            {
                throw new Exception("Storage connection path not defined.");
            }
            else
            {
                Console.WriteLine($"Storage connection path is set at '{storageConnectionString}'");
            }

            if (!S3Manager.CheckS3Parameters())
            {
                return;
            }

            // Check whether the connection string can be parsed.
            if (CloudStorageAccount.TryParse(storageConnectionString, out storageAccount))
            {
                foreach (var record in sqsEvent.Records)
                {
                    if (string.IsNullOrEmpty(record.Body))
                    {
                        continue;
                    }

                    var copyItem = JsonConvert.DeserializeObject <CopyItem>(record.Body);

                    if (copyItem == null || copyItem.BlobItem == null)
                    {
                        continue;
                    }

                    Console.WriteLine($"Trying to download item {copyItem.BlobItem.BlobName} from Azure blob storage to S3.");
                    using (MemoryStream msS3Stream = new MemoryStream())
                        using (BufferedStream stmS3 = new BufferedStream(msS3Stream))
                        {
                            AzureManager.GetBlobStream(storageAccount, copyItem.BlobItem.ContainerName, copyItem.BlobItem.BlobName, stmS3);
                            S3Manager.PutObject(copyItem.BlobItem.BlobName, stmS3);
                            Console.WriteLine($"Successfully copied item {copyItem.BlobItem.BlobName} to S3");
                        }
                }
            }
            else
            {
                throw new Exception("Azure storage account not properly configured.");
            }
        }
Exemplo n.º 3
0
 /// <summary>
 /// A simple function that takes a string and does a ToUpper
 /// </summary>
 /// <param name="input"></param>
 /// <param name="context"></param>
 /// <returns></returns>
 public void FunctionHandler(Amazon.Lambda.SQSEvents.SQSEvent sqsEvent, ILambdaContext context)
 {
     PollTracks.Poll(sqsEvent, context, false);
 }
Exemplo n.º 4
0
        public static void Poll(Amazon.Lambda.SQSEvents.SQSEvent sqsEvent, ILambdaContext context, bool isFirstRun)
        {
            int trackId = 0;

            if (isFirstRun == false)
            {
                if (sqsEvent.Records.Count != 1)
                {
                    throw new Exception(string.Format("Recived {0} records to process. Only 1 is supported.", sqsEvent.Records.Count));
                }

                var idObject = JsonConvert.DeserializeObject <JsonInt>(sqsEvent.Records[0].Body);

                if (idObject != null && idObject.TrackId > 0)
                {
                    trackId = idObject.TrackId;
                }
                else
                {
                    throw new Exception("There was an error parsing the lambda input");
                }
            }
            else
            {
                trackId = 1;
            }

            //Processing to many tracks at once kills the reflex central server. This ensurs we give them time to breath between requests.
            int NumberOfTracksToEvaluate = 25;

            context.Logger.LogLine(string.Format("Beginning to poll reflex central profile ids {0} - {1}", trackId, trackId + NumberOfTracksToEvaluate));
            ReflexCentralParser parser = new ReflexCentralParser();


            List <Track> tracks = new List <Track>(NumberOfTracksToEvaluate);

            for (int i = 0; i < NumberOfTracksToEvaluate; ++i)
            {
                context.Logger.LogLine(string.Format("Attempting to parse track id {0}", trackId));
                var track = parser.ParseTrack(string.Format("http://reflex-central.com/track_profile.php?track_id={0}", trackId));
                if (track != null)
                {
                    context.Logger.LogLine(string.Format("Found track at id {0}. Adding it to the track list", trackId));
                    tracks.Add(track);
                }
                else
                {
                    context.Logger.LogLine(string.Format("No track found at id {0}", trackId));
                }
                ++trackId;
            }

            context.Logger.LogLine(string.Format("{0} tracks were returned from reflex central", tracks.Count));
            if (tracks.Count > 0)
            {
                context.Logger.LogLine("Pulling list of current tracks from our databse.");
                var existingTrackNames = TrackDataUtility.GetThirdPartyTrackNames();
                var newTracks          = tracks.Where(t => existingTrackNames.Any(e => e == t.TrackName) == false).ToArray();

                context.Logger.LogLine("Pulling list of current tracks from our databse.");
                foreach (var track in newTracks)
                {
                    context.Logger.LogLine(string.Format("Sending new track ({0}) to be prcoessed UploadReflexTrackToS3 lambda.", track.TrackName));
                    HttpUtility.Post("https://spptqssmj8.execute-api.us-east-1.amazonaws.com/test/processtrack", track);
                }

                if (newTracks.Length == 0)
                {
                    context.Logger.LogLine(string.Format("No new tracks to process in the current batch ({0} - {1}).", trackId, trackId + NumberOfTracksToEvaluate));
                }
                context.Logger.LogLine(string.Format("Kicking off another polling job beginning with profile id {0}.", trackId));
                HttpUtility.Post("https://spptqssmj8.execute-api.us-east-1.amazonaws.com/test/pollreflexcentral", new JsonInt {
                    TrackId = trackId
                });
            }
            else
            {
                context.Logger.LogLine("No more profile pages to poll.");
                context.Logger.LogLine("Polling complete!");
            }
        }