public IEnumerable<string> GetMessagesFromQueue(QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
try
{
channel.QueueDeclarePassive(parameters.QueueName);
}
catch (OperationInterruptedException exception)
{
Console.WriteLine(exception.Message);
yield break;
}
var count = 0;
while (++count < parameters.NumberOfMessagesToRetrieve)
{
var basicGetResult = channel.BasicGet(parameters.QueueName, noAck: parameters.Purge);
if (basicGetResult == null) break; // no more messages on the queue
yield return Encoding.UTF8.GetString(basicGetResult.Body);
}
}
}
public IEnumerable <string> GetMessagesFromQueue(QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
try
{
channel.QueueDeclarePassive(parameters.QueueName);
}
catch (OperationInterruptedException exception)
{
Console.WriteLine(exception.Message);
yield break;
}
var count = 0;
while (++count < parameters.NumberOfMessagesToRetrieve)
{
var basicGetResult = channel.BasicGet(parameters.QueueName, noAck: parameters.Purge);
if (basicGetResult == null)
{
break; // no more messages on the queue
}
yield return(Encoding.UTF8.GetString(basicGetResult.Body));
}
}
}
public void Write(IEnumerable<HosepipeMessage> messages, QueueParameters parameters)
{
var count = 0;
foreach (var message in messages)
{
var uniqueFileName = SanitiseQueueName(parameters.QueueName) + "." + count.ToString();
var bodyPath = Path.Combine(parameters.MessageFilePath, uniqueFileName + ".message.txt");
var propertiesPath = Path.Combine(parameters.MessageFilePath, uniqueFileName + ".properties.txt");
var infoPath = Path.Combine(parameters.MessageFilePath, uniqueFileName + ".info.txt");
if(File.Exists(bodyPath))
{
Console.WriteLine("Overwriting existing messsage file: {0}", bodyPath);
}
try
{
File.WriteAllText(bodyPath, message.Body);
File.WriteAllText(propertiesPath, Newtonsoft.Json.JsonConvert.SerializeObject(message.Properties));
File.WriteAllText(infoPath, Newtonsoft.Json.JsonConvert.SerializeObject(message.Info));
}
catch (DirectoryNotFoundException)
{
throw new EasyNetQHosepipeException(
string.Format("Directory '{0}' does not exist", parameters.MessageFilePath));
}
count++;
}
}
public void Write(IEnumerable <HosepipeMessage> messages, QueueParameters parameters)
{
var count = 0;
foreach (var message in messages)
{
var uniqueFileName = SanitiseQueueName(parameters.QueueName) + "." + count.ToString();
var bodyPath = Path.Combine(parameters.MessageFilePath, uniqueFileName + ".message.txt");
var propertiesPath = Path.Combine(parameters.MessageFilePath, uniqueFileName + ".properties.txt");
var infoPath = Path.Combine(parameters.MessageFilePath, uniqueFileName + ".info.txt");
if (File.Exists(bodyPath))
{
Console.WriteLine("Overwriting existing messsage file: {0}", bodyPath);
}
try
{
File.WriteAllText(bodyPath, message.Body);
File.WriteAllText(propertiesPath, Newtonsoft.Json.JsonConvert.SerializeObject(message.Properties));
File.WriteAllText(infoPath, Newtonsoft.Json.JsonConvert.SerializeObject(message.Info));
}
catch (DirectoryNotFoundException)
{
throw new EasyNetQHosepipeException(
string.Format("Directory '{0}' does not exist", parameters.MessageFilePath));
}
count++;
}
}
public void Write(IEnumerable <HosepipeMessage> messages, QueueParameters parameters)
{
if (!Directory.Exists(parameters.MessagesOutputDirectory))
{
Console.WriteLine("Creating messages output directory: {0}", parameters.MessagesOutputDirectory);
Directory.CreateDirectory(parameters.MessagesOutputDirectory);
}
var count = 0;
foreach (var message in messages)
{
var uniqueFileName = SanitiseQueueName(parameters.QueueName) + "." + count;
var bodyPath = Path.Combine(parameters.MessagesOutputDirectory, uniqueFileName + ".message.txt");
var propertiesPath = Path.Combine(parameters.MessagesOutputDirectory, uniqueFileName + ".properties.txt");
var infoPath = Path.Combine(parameters.MessagesOutputDirectory, uniqueFileName + ".info.txt");
if (File.Exists(bodyPath))
{
Console.WriteLine("Overwriting existing message file: {0}", bodyPath);
}
File.WriteAllText(bodyPath, message.Body);
File.WriteAllText(propertiesPath, Newtonsoft.Json.JsonConvert.SerializeObject(message.Properties));
File.WriteAllText(infoPath, Newtonsoft.Json.JsonConvert.SerializeObject(message.Info));
count++;
}
}
public void PublishMessagesToQueue(IEnumerable <string> messages, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
try
{
channel.QueueDeclarePassive(parameters.QueueName);
}
catch (OperationInterruptedException exception)
{
Console.WriteLine(exception.Message);
return;
}
foreach (var message in messages)
{
var body = Encoding.UTF8.GetBytes(message);
var properties = channel.CreateBasicProperties();
// take advantage of the fact that every AMQP queue binds to the default ("")
// queue using its name as the routing key
channel.BasicPublish("", parameters.QueueName, properties, body);
}
}
}
public void RepublishError(Error error, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var model = connection.CreateModel())
{
try
{
if (error.Exchange != string.Empty)
{
model.ExchangeDeclarePassive(error.Exchange);
}
var properties = model.CreateBasicProperties();
error.BasicProperties.CopyTo(properties);
var body = Encoding.UTF8.GetBytes(error.Message);
model.BasicPublish(error.Exchange, error.RoutingKey, properties, body);
}
catch (OperationInterruptedException)
{
Console.WriteLine("The exchange, '{0}', described in the error message does not exist on '{1}', '{2}'",
error.Exchange, parameters.HostName, parameters.VHost);
}
}
}
public static IConnection FromParameters(QueueParameters parameters)
{
var connectionFactory = new ConnectionFactory
{
HostName = parameters.HostName,
VirtualHost = parameters.VHost,
UserName = parameters.Username,
Password = parameters.Password,
Port = parameters.HostPort
};
try
{
return(connectionFactory.CreateConnection());
}
catch (BrokerUnreachableException)
{
throw new EasyNetQHosepipeException(string.Format(
"The broker at '{0}{2}' VirtualHost '{1}', is unreachable. This message can also be caused " +
"by incorrect credentials.",
parameters.HostName,
parameters.VHost,
parameters.HostPort == -1 ? string.Empty: ":" + parameters.HostPort));
}
}
public IEnumerable <HosepipeMessage> ReadMessages(QueueParameters parameters, string messageName)
{
if (!Directory.Exists(parameters.MessageFilePath))
{
Console.WriteLine("Directory '{0}' does not exist", parameters.MessageFilePath);
yield break;
}
var bodyPattern = (messageName ?? "*") + ".*.message.txt";
foreach (var file in Directory.GetFiles(parameters.MessageFilePath, bodyPattern))
{
const string messageTag = ".message.";
var directoryName = Path.GetDirectoryName(file);
var fileName = Path.GetFileName(file);
var propertiesFileName = Path.Combine(directoryName, fileName.Replace(messageTag, ".properties."));
var infoFileName = Path.Combine(directoryName, fileName.Replace(messageTag, ".info."));
var body = File.ReadAllText(file);
var propertiesJson = File.ReadAllText(propertiesFileName);
var properties = Newtonsoft.Json.JsonConvert.DeserializeObject <MessageProperties>(propertiesJson);
var infoJson = File.ReadAllText(infoFileName);
var info = Newtonsoft.Json.JsonConvert.DeserializeObject <MessageReceivedInfo>(infoJson);
yield return(new HosepipeMessage(body, properties, info));
}
}
public IEnumerable<HosepipeMessage> ReadMessages(QueueParameters parameters, string messageName)
{
if (!Directory.Exists(parameters.MessageFilePath))
{
Console.WriteLine("Directory '{0}' does not exist", parameters.MessageFilePath);
yield break;
}
var bodyPattern = (messageName ?? "*") + ".*.message.txt";
foreach (var file in Directory.GetFiles(parameters.MessageFilePath, bodyPattern))
{
var propertiesFileName = file.Replace("message", "properties");
var infoFileName = file.Replace("message", "info");
var body = File.ReadAllText(file);
var propertiesJson = File.ReadAllText(propertiesFileName);
var properties = Newtonsoft.Json.JsonConvert.DeserializeObject<MessageProperties>(propertiesJson);
var infoJson = File.ReadAllText(infoFileName);
var info = Newtonsoft.Json.JsonConvert.DeserializeObject<MessageReceivedInfo>(infoJson);
yield return new HosepipeMessage(body, properties, info);
}
}
public void PublishMessagesToQueue(IEnumerable<string> messages, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
try
{
channel.QueueDeclarePassive(parameters.QueueName);
}
catch (OperationInterruptedException exception)
{
Console.WriteLine(exception.Message);
return;
}
foreach (var message in messages)
{
var body = Encoding.UTF8.GetBytes(message);
var properties = channel.CreateBasicProperties();
// take advantage of the fact that every AMQP queue binds to the default ("")
// queue using its name as the routing key
channel.BasicPublish("", parameters.QueueName, properties, body);
}
}
}
public IEnumerable<HosepipeMessage> GetMessagesFromQueue(QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
try
{
channel.QueueDeclarePassive(parameters.QueueName);
}
catch (OperationInterruptedException exception)
{
Console.WriteLine(exception.Message);
yield break;
}
var count = 0;
while (count++ < parameters.NumberOfMessagesToRetrieve)
{
var basicGetResult = channel.BasicGet(parameters.QueueName, noAck: parameters.Purge);
if (basicGetResult == null) break; // no more messages on the queue
var properties = new MessageProperties(basicGetResult.BasicProperties);
var info = new MessageReceivedInfo(
"hosepipe",
basicGetResult.DeliveryTag,
basicGetResult.Redelivered,
basicGetResult.Exchange,
basicGetResult.RoutingKey,
parameters.QueueName);
yield return new HosepipeMessage(errorMessageSerializer.Serialize(basicGetResult.Body), properties, info);
}
}
}
public void RepublishError(Error error, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var model = connection.CreateModel())
{
try
{
if (error.Exchange != string.Empty)
{
model.ExchangeDeclarePassive(error.Exchange);
}
var properties = model.CreateBasicProperties();
error.BasicProperties.CopyTo(properties);
var body = Encoding.UTF8.GetBytes(error.Message);
model.BasicPublish(error.Exchange, error.RoutingKey, properties, body);
}
catch (OperationInterruptedException)
{
Console.WriteLine("The exchange, '{0}', described in the error message does not exist on '{1}', '{2}'",
error.Exchange, parameters.HostName, parameters.VHost);
}
}
}
public void Start(string[] args)
{
var arguments = argParser.Parse(args);
var results = new StringBuilder();
var succeeded = true;
Func <string, Action> messsage = m => () =>
{
results.AppendLine(m);
succeeded = false;
};
var parameters = new QueueParameters();
arguments.WithKey("s", a => parameters.HostName = a.Value);
arguments.WithKey("v", a => parameters.VHost = a.Value);
arguments.WithKey("u", a => parameters.Username = a.Value);
arguments.WithKey("p", a => parameters.Password = a.Value);
arguments.WithKey("o", a => parameters.MessageFilePath = a.Value);
arguments.WithTypedKeyOptional <int>("n", a => parameters.NumberOfMessagesToRetrieve = int.Parse(a.Value))
.FailWith(messsage("Invalid number of messages to retrieve"));
try
{
arguments.At(0, "dump", () => arguments.WithKey("q", a =>
{
parameters.QueueName = a.Value;
Dump(parameters);
}).FailWith(messsage("No Queue Name given")));
arguments.At(0, "insert", () => arguments.WithKey("q", a =>
{
parameters.QueueName = a.Value;
Insert(parameters);
}).FailWith(messsage("No Queue Name given")));
arguments.At(0, "err", () => ErrorDump(parameters));
arguments.At(0, "retry", () => Retry(parameters));
arguments.At(0, "?", PrintUsage);
// print usage if there are no arguments
arguments.At(0, a => {}).FailWith(PrintUsage);
}
catch (EasyNetQHosepipeException easyNetQHosepipeException)
{
Console.WriteLine("Operation Failed:");
Console.WriteLine(easyNetQHosepipeException.Message);
}
if (!succeeded)
{
Console.WriteLine("Operation failed");
Console.Write(results.ToString());
Console.WriteLine();
PrintUsage();
}
}
private void ErrorDump(QueueParameters parameters)
{
if (parameters.QueueName == null)
{
parameters.QueueName = conventions.ErrorQueueNamingConvention(null);
}
Dump(parameters);
}
public void RetryErrors(IEnumerable<HosepipeMessage> rawErrorMessages, QueueParameters parameters)
{
foreach (var rawErrorMessage in rawErrorMessages)
{
var error = serializer.BytesToMessage<Error>(errorMessageSerializer.Deserialize(rawErrorMessage.Body));
RepublishError(error, parameters);
}
}
private void ErrorDump(QueueParameters parameters)
{
if (parameters.QueueName == null)
{
parameters.QueueName = conventions.ErrorQueueNamingConvention(new MessageReceivedInfo());
}
Dump(parameters);
}
public void RetryErrors(IEnumerable <HosepipeMessage> rawErrorMessages, QueueParameters parameters)
{
foreach (var rawErrorMessage in rawErrorMessages)
{
var error = serializer.BytesToMessage <Error>(Encoding.UTF8.GetBytes(rawErrorMessage.Body));
RepublishError(error, parameters);
}
}
public void RetryErrors(IEnumerable <HosepipeMessage> rawErrorMessages, QueueParameters parameters)
{
foreach (var rawErrorMessage in rawErrorMessages)
{
var error = (Error)serializer.BytesToMessage(typeof(Error), errorMessageSerializer.Deserialize(rawErrorMessage.Body));
RepublishError(error, parameters);
}
}
public void RetryErrors(IEnumerable<string> rawErrorMessages, QueueParameters parameters)
{
foreach (var rawErrorMessage in rawErrorMessages)
{
var error = serializer.BytesToMessage<Error>(Encoding.UTF8.GetBytes(rawErrorMessage));
RepublishError(error, parameters);
}
}
private void Dump(QueueParameters parameters)
{
var count = 0;
messageWriter.Write(WithEach(queueRetreival.GetMessagesFromQueue(parameters), () => count++), parameters);
Console.WriteLine("{0} Messages from queue '{1}'\r\noutput to directory '{2}'",
count, parameters.QueueName, parameters.MessagesOutputDirectory);
}
public void Start(string[] args)
{
var arguments = argParser.Parse(args);
var results = new StringBuilder();
var succeeded = true;
Func<string, Action> messsage = m => () =>
{
results.AppendLine(m);
succeeded = false;
};
var parameters = new QueueParameters();
arguments.WithKey("s", a => parameters.HostName = a.Value);
arguments.WithKey("v", a => parameters.VHost = a.Value);
arguments.WithKey("u", a => parameters.Username = a.Value);
arguments.WithKey("p", a => parameters.Password = a.Value);
arguments.WithKey("o", a => parameters.MessageFilePath = a.Value);
arguments.WithKey("q", a => parameters.QueueName = a.Value);
arguments.WithTypedKeyOptional<int>("n", a => parameters.NumberOfMessagesToRetrieve = int.Parse(a.Value))
.FailWith(messsage("Invalid number of messages to retrieve"));
arguments.WithTypedKeyOptional<bool>("x", a => parameters.Purge = bool.Parse(a.Value))
.FailWith(messsage("Invalid purge (x) parameter"));
try
{
arguments.At(0, "dump", () => arguments.WithKey("q", a =>
{
parameters.QueueName = a.Value;
Dump(parameters);
}).FailWith(messsage("No Queue Name given")));
arguments.At(0, "insert", () => Insert(parameters));
arguments.At(0, "err", () => ErrorDump(parameters));
arguments.At(0, "retry", () => Retry(parameters));
arguments.At(0, "?", PrintUsage);
// print usage if there are no arguments
arguments.At(0, a => {}).FailWith(PrintUsage);
}
catch (EasyNetQHosepipeException easyNetQHosepipeException)
{
Console.WriteLine("Operation Failed:");
Console.WriteLine(easyNetQHosepipeException.Message);
}
if(!succeeded)
{
Console.WriteLine("Operation failed");
Console.Write(results.ToString());
Console.WriteLine();
PrintUsage();
}
}
private void Insert(QueueParameters parameters)
{
var count = 0;
queueInsertion.PublishMessagesToQueue(
WithEach(messageReader.ReadMessages(parameters), () => count++), parameters);
Console.WriteLine("{0} Messages from directory '{1}'\r\ninserted into queue '{2}'",
count, parameters.MessagesOutputDirectory, parameters.QueueName);
}
public void RepublishError(Error error, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParameters(parameters))
using (var model = connection.CreateModel())
{
var properties = model.CreateBasicProperties();
error.BasicProperties.CopyTo(properties);
var body = errorMessageSerializer.Deserialize(error.Message);
model.BasicPublish("", error.Queue, true, properties, body);
}
}
private void Retry(QueueParameters parameters)
{
var count = 0;
errorRetry.RetryErrors(
WithEach(
messageReader.ReadMessages(parameters, DefaultConsumerErrorStrategy.EasyNetQErrorQueue),
() => count++),
parameters);
Console.WriteLine("{0} Error messages from directory '{1}' republished",
count, parameters.MessageFilePath);
}
private void Retry(QueueParameters parameters)
{
var count = 0;
errorRetry.RetryErrors(
WithEach(
messageReader.ReadMessages(parameters, conventions.ErrorQueueNamingConvention()),
() => count++),
parameters);
Console.WriteLine("{0} Error messages from directory '{1}' republished",
count, parameters.MessageFilePath);
}
private void Retry(QueueParameters parameters)
{
var count = 0;
var queueName = parameters.QueueName ?? conventions.ErrorQueueNamingConvention(null);
errorRetry.RetryErrors(
WithEach(messageReader.ReadMessages(parameters, queueName), () => count++), parameters
);
Console.WriteLine(
"{0} error messages from directory '{1}' were republished", count, parameters.MessagesOutputDirectory
);
}
public void Start(string[] args)
{
var arguments = argParser.Parse(args);
var parameters = new QueueParameters();
arguments.WithKey("s", a => parameters.HostName = a.Value);
arguments.WithKey("sp", a => parameters.HostPort = Convert.ToInt32(a.Value));
arguments.WithKey("v", a => parameters.VHost = a.Value);
arguments.WithKey("u", a => parameters.Username = a.Value);
arguments.WithKey("p", a => parameters.Password = a.Value);
arguments.WithKey("o", a => parameters.MessagesOutputDirectory = a.Value);
arguments.WithKey("q", a => parameters.QueueName = a.Value);
arguments.WithTypedKeyOptional <int>("n", a => parameters.NumberOfMessagesToRetrieve = int.Parse(a.Value))
.FailWith(messsage("Invalid number of messages to retrieve"));
arguments.WithTypedKeyOptional <bool>("x", a => parameters.Purge = bool.Parse(a.Value))
.FailWith(messsage("Invalid purge (x) parameter"));
try
{
arguments.At(0, "dump", () => arguments.WithKey("q", a =>
{
parameters.QueueName = a.Value;
Dump(parameters);
}).FailWith(messsage("No Queue Name given")));
arguments.At(0, "insert", () => Insert(parameters));
arguments.At(0, "err", () => ErrorDump(parameters));
arguments.At(0, "retry", () => Retry(parameters));
arguments.At(0, "?", PrintUsage);
// print usage if there are no arguments
arguments.At(0, a => {}).FailWith(PrintUsage);
}
catch (EasyNetQHosepipeException easyNetQHosepipeException)
{
Console.WriteLine("Operation Failed:");
Console.WriteLine(easyNetQHosepipeException.Message);
}
if (!succeeded)
{
Console.WriteLine("Operation failed");
Console.Write(results.ToString());
Console.WriteLine();
PrintUsage();
}
}
public IEnumerable<string> ReadMessages(QueueParameters parameters, string messageName)
{
if (!Directory.Exists(parameters.MessageFilePath))
{
Console.WriteLine("Directory '{0}' does not exist", parameters.MessageFilePath);
yield break;
}
var pattern = (messageName ?? "*") + ".*.message.txt";
foreach (var file in Directory.GetFiles(parameters.MessageFilePath, pattern))
{
yield return File.ReadAllText(file);
}
}
public IEnumerable <string> ReadMessages(QueueParameters parameters, string messageName)
{
if (!Directory.Exists(parameters.MessageFilePath))
{
Console.WriteLine("Directory '{0}' does not exist", parameters.MessageFilePath);
yield break;
}
var pattern = (messageName ?? "*") + ".*.message.txt";
foreach (var file in Directory.GetFiles(parameters.MessageFilePath, pattern))
{
yield return(File.ReadAllText(file));
}
}
public void PublishMessagesToQueue(IEnumerable <HosepipeMessage> messages, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
foreach (var message in messages)
{
var body = Encoding.UTF8.GetBytes(message.Body);
var properties = new BasicProperties();
message.Properties.CopyTo(properties);
channel.BasicPublish(message.Info.Exchange, message.Info.RoutingKey, properties, body);
}
}
}
public void PublishMessagesToQueue(IEnumerable<HosepipeMessage> messages, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParamters(parameters))
using (var channel = connection.CreateModel())
{
foreach (var message in messages)
{
var body = Encoding.UTF8.GetBytes(message.Body);
var properties = new BasicProperties();
message.Properties.CopyTo(properties);
channel.BasicPublish(message.Info.Exchange, message.Info.RoutingKey, properties, body);
}
}
}
public void PublishMessagesToQueue(IEnumerable <HosepipeMessage> messages, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParameters(parameters))
using (var channel = connection.CreateModel())
{
foreach (var message in messages)
{
var body = errorMessageSerializer.Deserialize(message.Body);
var properties = channel.CreateBasicProperties();
message.Properties.CopyTo(properties);
channel.BasicPublish(message.Info.Exchange, message.Info.RoutingKey, true, properties, body);
}
}
}
public void RetryErrors(IEnumerable <HosepipeMessage> rawErrorMessages, QueueParameters parameters)
{
using var connection = HosepipeConnection.FromParameters(parameters);
using var model = connection.CreateModel();
model.ConfirmSelect();
foreach (var rawErrorMessage in rawErrorMessages)
{
var error = (Error)serializer.BytesToMessage(typeof(Error), errorMessageSerializer.Deserialize(rawErrorMessage.Body));
var properties = model.CreateBasicProperties();
error.BasicProperties.CopyTo(properties);
var body = errorMessageSerializer.Deserialize(error.Message);
model.BasicPublish("", error.Queue, true, properties, body);
model.WaitForConfirmsOrDie();
}
}
public void PublishMessagesToQueue(IEnumerable <HosepipeMessage> messages, QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParameters(parameters))
using (var channel = connection.CreateModel())
{
foreach (var message in messages)
{
var body = errorMessageSerializer.Deserialize(message.Body);
var properties = channel.CreateBasicProperties();
message.Properties.CopyTo(properties);
var queueName = string.IsNullOrEmpty(parameters.QueueName)
? message.Info.Queue
: parameters.QueueName;
channel.BasicPublish("", queueName, true, properties, body);
}
}
}
public static IConnection FromParamters(QueueParameters parameters)
{
var connectionFactory = new ConnectionFactory
{
HostName = parameters.HostName,
VirtualHost = parameters.VHost,
UserName = parameters.Username,
Password = parameters.Password
};
try
{
return connectionFactory.CreateConnection();
}
catch (BrokerUnreachableException)
{
throw new EasyNetQHosepipeException(string.Format(
"The broker at '{0}', VirtualHost '{1}', is unreachable. This message can also be caused " +
"by incorrect credentials.",
parameters.HostName,
parameters.VHost));
}
}
public void RetryErrors(IEnumerable <HosepipeMessage> rawErrorMessages, QueueParameters parameters)
{
using var connection = HosepipeConnection.FromParameters(parameters);
using var model = connection.CreateModel();
model.ConfirmSelect();
var errors = rawErrorMessages
.Select(x => (Error)serializer.BytesToMessage(typeof(Error), errorMessageSerializer.Deserialize(x.Body)))
.ToArray();
var tempExchangeName = DeclareTemporaryExchange(model);
try
{
RouteMessagesToExchange(model, tempExchangeName, errors);
PublishMessages(model, tempExchangeName, errors);
}
finally
{
model.ExchangeDelete(tempExchangeName);
}
}
public void Write(IEnumerable<string> messages, QueueParameters parameters)
{
var count = 0;
foreach (string message in messages)
{
var fileName = parameters.QueueName + "." + count.ToString() + ".message.txt";
var path = Path.Combine(parameters.MessageFilePath, fileName);
if(File.Exists(path))
{
Console.WriteLine("Overwriting existing messsage file: {0}", path);
}
try
{
File.WriteAllText(path, message);
}
catch (DirectoryNotFoundException)
{
throw new EasyNetQHosepipeException(
string.Format("Directory '{0}' does not exist", parameters.MessageFilePath));
}
count++;
}
}
public IEnumerable <HosepipeMessage> GetMessagesFromQueue(QueueParameters parameters)
{
using (var connection = HosepipeConnection.FromParameters(parameters))
using (var channel = connection.CreateModel())
{
try
{
channel.QueueDeclarePassive(parameters.QueueName);
}
catch (OperationInterruptedException exception)
{
Console.WriteLine(exception.Message);
yield break;
}
var count = 0;
while (count++ < parameters.NumberOfMessagesToRetrieve)
{
var basicGetResult = channel.BasicGet(parameters.QueueName, parameters.Purge);
if (basicGetResult == null)
{
break; // no more messages on the queue
}
var properties = new MessageProperties(basicGetResult.BasicProperties);
var info = new MessageReceivedInfo(
"hosepipe",
basicGetResult.DeliveryTag,
basicGetResult.Redelivered,
basicGetResult.Exchange,
basicGetResult.RoutingKey,
parameters.QueueName
);
yield return(new HosepipeMessage(errorMessageSerializer.Serialize(basicGetResult.Body.ToArray()), properties, info));
}
}
}
public void Write(IEnumerable <string> messages, QueueParameters parameters)
{
var count = 0;
foreach (string message in messages)
{
var fileName = SanitiseQueueName(parameters.QueueName) + "." + count.ToString() + ".message.txt";
var path = Path.Combine(parameters.MessageFilePath, fileName);
if (File.Exists(path))
{
Console.WriteLine("Overwriting existing messsage file: {0}", path);
}
try
{
File.WriteAllText(path, message);
}
catch (DirectoryNotFoundException)
{
throw new EasyNetQHosepipeException(
string.Format("Directory '{0}' does not exist", parameters.MessageFilePath));
}
count++;
}
}
public IEnumerable<string> ReadMessages(QueueParameters parameters)
{
return ReadMessages(parameters, null);
}
public IEnumerable<HosepipeMessage> ReadMessages(QueueParameters parameters)
{
return ReadMessages(parameters, null);
}
public IEnumerable <string> ReadMessages(QueueParameters parameters)
{
return(ReadMessages(parameters, null));
}
private void Retry(QueueParameters parameters)
{
var count = 0;
errorRetry.RetryErrors(
WithEach(
messageReader.ReadMessages(parameters, conventions.ErrorQueueNamingConvention()),
() => count++),
parameters);
Console.WriteLine("{0} Error messages from directory '{1}' republished",
count, parameters.MessageFilePath);
}
private void Insert(QueueParameters parameters)
{
var count = 0;
queueInsertion.PublishMessagesToQueue(
WithEach(messageReader.ReadMessages(parameters), () => count++), parameters);
Console.WriteLine("{0} Messages from directory '{1}'\r\ninserted into queue '{2}'",
count, parameters.MessageFilePath, parameters.QueueName);
}
private void ErrorDump(QueueParameters parameters)
{
parameters.QueueName = conventions.ErrorQueueNamingConvention();
Dump(parameters);
}
private void Dump(QueueParameters parameters)
{
var count = 0;
messageWriter.Write(WithEach(queueRetreival.GetMessagesFromQueue(parameters), () => count++), parameters);
Console.WriteLine("{0} Messages from queue '{1}'\r\noutput to directory '{2}'",
count, parameters.QueueName, parameters.MessageFilePath);
}
private void Retry(QueueParameters parameters)
{
var count = 0;
errorRetry.RetryErrors(
WithEach(
messageReader.ReadMessages(parameters, DefaultConsumerErrorStrategy.EasyNetQErrorQueue),
() => count++),
parameters);
Console.WriteLine("{0} Error messages from directory '{1}' republished",
count, parameters.MessageFilePath);
}
private void ErrorDump(QueueParameters parameters)
{
parameters.QueueName = DefaultConsumerErrorStrategy.EasyNetQErrorQueue;
Dump(parameters);
}
private void ErrorDump(QueueParameters parameters)
{
parameters.QueueName = conventions.ErrorQueueNamingConvention();
Dump(parameters);
}
public IEnumerable <HosepipeMessage> ReadMessages(QueueParameters parameters)
{
return(ReadMessages(parameters, null));
}
