public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
string errorMixQuery = req.Query["errormix"];
string mockServiceName = (string)req.Query["name"] ?? "Hello.Functions.PostMock";
InsightsHelper.TrackEvent(mockServiceName, req);
// if an errorMix query param is provided as an integer value between 1 and 100 (inclusive)
if (int.TryParse(errorMixQuery, out int errorMix) && errorMix > 0 && errorMix <= 100)
{
// if random number (between 0 and 100) is greater-than-equal-to (100 - errorMix)
if ((new Random().NextDouble() * 100d) >= (100 - errorMix))
{
log.LogInformation($"Returning HTTP Status 429. Errormix = {errorMix}");
return(new StatusCodeResult(429));
}
}
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
dynamic data = JsonConvert.DeserializeObject(requestBody);
return(new JsonResult(data));
}
static async Task Main(string[] args)
{
var config = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true)
//.AddEnvironmentVariables()
.Build();
var insights = InsightsHelper.InitializeTelemetryClient(
config,
"Examples.Pipeline.MessageGenerator",
$"cloudRoleInstance-{Environment.MachineName}");
int rpm = args.Length > 0 ? int.Parse(args[0]) : 60;
var client = new QueueClient(config["ServiceBusConnectionString"], config["MessageGenerator.QueueName"]);
Console.WriteLine($"Sending messages at ~{rpm} RPM to queue \"{config["MessageGenerator.QueueName"]}\".");
insights.TrackTrace($"Sending messages at {rpm} RPM to queue \"{config["MessageGenerator.QueueName"]}\".");
int errors = 0;
int i = 1;
while (1 == 1)
{
try
{
// Create a new message to send to the queue.
string messageBody = $"Message {i}";
var message = new Message(Encoding.UTF8.GetBytes(messageBody));
message.UserProperties.Add("MessageNumber", i);
// Write the body of the message to the console.
Console.WriteLine($"Sending message: {messageBody}");
// Send the message to the queue.
await client.SendAsync(message);
insights.TrackEvent(
"Examples.Pipeline.MessageGenerator/QueueMessageSent",
new Dictionary <string, string>(
message.UserProperties.Select(p => new KeyValuePair <string, string>(p.Key, p.Value.ToString()))));
}
catch (Exception exception)
{
errors++;
Console.Error.WriteLine($"Message {i} :: Exception: {exception.Message}");
insights.TrackException(exception);
if (errors > 10)
{
throw;
}
}
await Task.Delay(60000 / rpm);
i++;
}
}
static async Task Main()
{
var config = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true)
//.AddEnvironmentVariables()
.Build();
_insights = InsightsHelper.InitializeTelemetryClient(
config,
"Examples.Pipeline.ServiceBusReceiver",
$"cloudRoleInstance-{Environment.MachineName}"
);
_queueClient = new QueueClient(config["ServiceBusConnectionString"], config["ServiceBusReceiver.QueueName"]);
// Register QueueClient's MessageHandler and receive messages in a loop
RegisterOnMessageHandlerAndReceiveMessages(_queueClient);
Console.WriteLine($"Ready: {_queueClient}");
while (true)
{
await Task.Delay(200);
}
//await _queueClient.CloseAsync();
}
public IActionResult Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = null)] HttpRequest req,
ILogger log,
ExecutionContext context)
{
_config = FunctionsHelper.GetConfig(context);
_log = log;
string url = req.Query["url"];
if (!IsWhitelisted(url))
{
return(new NotFoundResult());
}
log.LogInformation($"Redirect: 302 {url}");
InsightsHelper.TrackEvents(_telemetryClient, "FunMetrics.Redirect", url, req);
return(new RedirectResult(url, false));
}
public static async Task <IEnumerable <Product> > Run(
[HttpTrigger(AuthorizationLevel.Function, "get", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
InsightsHelper.TrackEvent("products/get-modified", req);
bool.TryParse(req.Query["modified"], out bool modified);
// Mock Data
return(new Product[]
{
new Product
{
Id = "fa28f4e040f94c8da37aa9d50cf385cb",
Name = "KORIK RISE GTX",
SKUs = new SKU[]
{
new SKU
{
SkuName = "42 Black",
SuggestedRetailPrice = 150,
WholesalePrice = 75
},
new SKU
{
SkuName = "43 Black",
SuggestedRetailPrice = 150,
WholesalePrice = 75
},
new SKU
{
SkuName = "44 Black",
SuggestedRetailPrice = 150,
WholesalePrice = 75
}
}
}
});
}
static async Task Main(string[] args)
{
Console.WriteLine("Examples.Pipeline.EventProcessor");
var config = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true)
//.AddEnvironmentVariables()
.Build();
var insights = InsightsHelper.InitializeTelemetryClient(
config,
"Examples-Pipeline-EventProcessor",
$"cloudRoleInstance-{Environment.MachineName}");
var observer = new EventProcessorObserver();
var host = InitializeEventProcessorHost(config);
await host.RegisterEventProcessorFactoryAsync(
new ForwardToQueueEventProcessorFactory(config, insights, observer),
new EventProcessorOptions
{
MaxBatchSize = 100,
PrefetchCount = 200
});
Console.WriteLine($"Ready: {host}");
while (true)
{
await Task.Delay(10000);
Console.WriteLine("============================");
Console.WriteLine(observer.GetMetricsString());
}
}
public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "head", Route = null)] HttpRequest req,
ILogger log,
ExecutionContext context)
{
_config = FunctionsHelper.GetConfig(context);
string path = req.Query["path"];
log.LogInformation($"FunMetrics.Blob.Run: {req.Method} {path}");
if (string.IsNullOrWhiteSpace(path))
{
log.LogError("Querystring param \"path\" is null, empty or missing.");
return(new NotFoundResult());
}
if (path.StartsWith('/') || !path.Contains('/'))
{
log.LogError("Querystring param \"path\" is malformed. Must be a relative path to a blob file, with no leading \"/\".");
return(new NotFoundResult());
}
var uri = new Uri($"{CloudBlobClient.BaseUri}{path}");
log.LogInformation($"FunMetrics.Blob.Run: {req.Method} {uri}");
ICloudBlob blob;
try
{
blob = await CloudBlobClient.GetBlobReferenceFromServerAsync(uri);
}
catch (StorageException ex)
{
log.LogError(ex, "Returning 404 / Not found.");
return(new NotFoundResult());
}
if (req.Method == HttpMethods.Head)
{
// HEAD - Return empty body but with headers as if GET
req.HttpContext.Response.Headers["ETag"] = blob.Properties.ETag;
req.HttpContext.Response.ContentLength = blob.Properties.Length;
req.HttpContext.Response.ContentType = blob.Properties.ContentType;
if (blob.Properties.LastModified.HasValue)
{
req.HttpContext.Response.Headers["Last-Modified"] = blob.Properties.LastModified.Value.ToString("r");
}
return(new OkResult());
}
// GET - get blob and stream to client
InsightsHelper.TrackEvents(_telemetryClient, "FunMetrics.Blob", uri.ToString(), req);
Stream stream = null;
// try local cache
#if DEBUG
string cachePath = Path.GetTempPath();
#else
string cachePath = "D:\\Local\\";
#endif
string filePath = $"{cachePath}{path.Replace("/", "__")}";
bool cacheError = false;
if (File.Exists(filePath))
{
// retry three times
for (int i = 0; i < 3; i++)
{
// get from local cache
try
{
stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
log.LogInformation($"FunMetrics.Blob.Run: Cache HIT {filePath}");
break;
}
catch (Exception ex)
{
log.LogError(ex, $"Could not open file \"{filePath}\" on attempt {i + 1}: {ex} {ex.Message}");
await Task.Delay(10);
}
cacheError = true;
}
}
if (stream == null)
{
// get from Blob
log.LogInformation($"FunMetrics.Blob.Run: Cache MISS {filePath}");
stream = new MemoryStream();
await blob.DownloadToStreamAsync(stream);
// don't try to save to cache if could not read from cache. File exists, was busy
if (!cacheError)
{
// save to cache
try
{
using (var fileStream = new FileStream(filePath, FileMode.CreateNew, FileAccess.Write))
{
stream.Seek(0, SeekOrigin.Begin);
stream.CopyTo(fileStream);
}
}
catch (Exception ex)
{
log.LogError(ex, $"Could not cache file \"{filePath}\".");
}
}
}
stream.Seek(0, SeekOrigin.Begin);
return(new FileStreamResult(stream, blob.Properties.ContentType)
{
EnableRangeProcessing = true,
EntityTag = new EntityTagHeaderValue(blob.Properties.ETag),
LastModified = blob.Properties.LastModified
});
}
