public void main(string[] args)
{
// ============================================================================
// http://stackoverflow.com/questions/5624934/convert-string-into-mongodb-bsondocument
string json_str = @"{
'some_str' : 'bar',
'int_arr' : [1,2,3,4,5],
'int_val' : 1,
'decimal_val' : 99.99,
'double_val' : 88.88
}";
// case 1 of 2: we convert json string to bson document
MongoDB.Bson.BsonDocument bson1
= BsonSerializer.Deserialize <BsonDocument>(json_str);
// case 2 of 2: we convert json string to bson document (same, but more elegant)
//
BsonDocument bson2 = BsonDocument.Parse(json_str);
// now we extract values from bson document. Below you'll find several examples (by different data types)
//
string some_str3 = BsonSerializer.Deserialize <string>(bson2["some_str"].ToJson());
string some_str = BsonSerializer.Deserialize <string>(bson2["some_str"].ToJson());
int[] int_arr = BsonSerializer.Deserialize <int[]>(bson2["int_arr"].ToJson());
int int_val = BsonSerializer.Deserialize <int>(bson2["int_val"].ToJson());
decimal decimal_val = BsonSerializer.Deserialize <decimal>(bson2["decimal_val"].ToJson());
double double_val = BsonSerializer.Deserialize <double>(bson2["double_val"].ToJson());
// now same action, but using Json.NET (imho this way is better (more readable and not mongo-library dependant)
// todo: if we choose this way make sure it's bson docs are really compatible with mongo bson docs.
// OR may be I like the 1st way better now ... ;)
//
JToken root = JObject.Parse(json_str);
JToken some_str2_token = root["some_str"];
string some_str2 = some_str2_token.ToString();
JToken int_arr_token = root["int_arr"];
int[] int_arr2 = JsonConvert.DeserializeObject <int[]>(int_arr_token.ToString());
JToken int_val_token = root["int_val"];
int int_val2 = JsonConvert.DeserializeObject <int>(int_val_token.ToString());
JToken decimal_val_token = root["decimal_val"];
decimal decimal_val2 = JsonConvert.DeserializeObject <decimal>(decimal_val_token.ToString());
JToken double_val_token = root["double_val"];
double double_val2 = JsonConvert.DeserializeObject <double>(double_val_token.ToString());
// noop just for breakpoint ;)
((Action)(() => { }))();
//
// ============================================================================
// [on topic of Query Mongo]
// How to deserialize a BsonDocument object back to class
// http://stackoverflow.com/questions/9478613/how-to-deserialize-a-bsondocument-object-back-to-class
//
//QueryDocument _document = new QueryDocument("key", "value");
//MongoCursor<BsonDocument> _documentsReturned =
// _collection.FindAs<BsonDocument>(_document);
//foreach (BsonDocument _document1 in _wordOntologies)
//{
// //deserialize _document1
// //?
//}
// ============================================================================
// [q] how to create new BsonDocument?
// [a]
//var document = new BsonDocument {
// { "author", "joe" },
// { "title", "yet another blog post" },
// { "text", "here is the text..." },
// { "tags", new BsonArray { "example", "joe" } },
// { "comments", new BsonArray {
// new BsonDocument { { "author", "jim" }, { "comment", "I disagree" } },
// new BsonDocument { { "author", "nancy" }, { "comment", "Good post" } }
// }}
//};
//// ============================================================================
// MongoDB C# - Getting BsonDocument for an Element that doesn't exist
// http://stackoverflow.com/questions/6628794/mongodb-c-sharp-getting-bsondocument-for-an-element-that-doesnt-exist
// There is also an overload that lets you provide a default value:
//
// BsonDocument document;
// var firstName = (string)document["FirstName", null];
// // or
// var firstName = (string)document["FirstName", "N/A"];
//
// OR
//
// var b = new BsonDocument();
// var exists = b.Contains("asdfasdf");
//// ============================================================================
//MyGlobals.args = args;
// .... and then in any other place in app we can access global args:
//string[] args = MyGlobals.args;
string storage_service_config_json = "";
string rabbitmq_config_json = "";
string mongodb_config_json = "";
var p = new OptionSet()
{
{ "c|storage-service-config=", "path to storage_service json configuration file",
v => storage_service_config_json = v },
{ "r|rabbitmq-config=", "path to rabbitmq json configuration file",
v => rabbitmq_config_json = v },
{ "m|mongodb-config=", "path to mongodb json configuration file",
v => mongodb_config_json = v }
};
// parse cmd-line args
List <string> extra;
try
{
extra = p.Parse(args);
}
catch (OptionException e)
{
Console.WriteLine(e.Message);
Console.WriteLine("Try `--help' for more information.");
return;
}
// get parameters documents
if (storage_service_config_json != "")
{
parameters_holder = new ResponseParametersHolder();
parameters_holder.parse_json_file(storage_service_config_json);
storage_service_parameters = parameters_holder.response_parameters;
parameters_holder = new ResponseParametersHolder();
parameters_holder.parse_json_file(rabbitmq_config_json);
rabbitmq_parameters = parameters_holder.response_parameters;
parameters_holder = new ResponseParametersHolder();
parameters_holder.parse_json_file(mongodb_config_json);
mongodb_parameters = parameters_holder.response_parameters;
//_ema_bar = Convert.ToInt32(storage_service_parameters["_ema_bar"]);
//_response_barsize_s = Convert.ToInt32(storage_service_parameters["_response_barsize_s"]);
//_stop_k = Convert.ToDouble(storage_service_parameters["_stop_k"]);
//_target_price_k = Convert.ToDouble(storage_service_parameters["_target_price_k"]);
// Custom name of response set by you
//Name = storage_service_parameters["name"];
}
// extract individual rabbitmq parameters
//
string exchange_name = rabbitmq_parameters["exchange_name"];
string exchange_type = rabbitmq_parameters["exchange_type"];
ConnectionFactory conn_factory = new ConnectionFactory();
conn_factory.HostName = rabbitmq_parameters["host_name"];
conn_factory.UserName = rabbitmq_parameters["user_name"];
conn_factory.Password = rabbitmq_parameters["password"];
// extract storage_service parameters
//
string queue_name = storage_service_parameters["queue_name"];
string routing_key = storage_service_parameters["routing_key"]; // no need to provide routing key for 'fanout' exchange. "rout";
// extract mongodb parameters
//
mongodb_connection_string = mongodb_parameters["mongodb_connection_string"];
mongodb_database_name = mongodb_parameters["mongodb_database_name"];
mongodb_collection_name = mongodb_parameters["mongodb_collection_name"];
//---------------------------------------------------------------- progress bar end --------------
// Create the thread object. This does not start the thread.
Worker_console_hartbeat_progressbar worker_console_hartbeat_progressbar = new Worker_console_hartbeat_progressbar();
Thread workerThread = new Thread(worker_console_hartbeat_progressbar.DoWork);
// Start the worker thread.
workerThread.Start();
//---------------------------------------------------------------- progress bar end --------------
System.Console.WriteLine("Welcome to storage_service (part of tradelink.afterlife)!");
System.Console.WriteLine("---------------------------------------------------------");
System.Console.WriteLine("connecting to mongodb...");
// prepare mongo
MongoClient client = new MongoClient(mongodb_connection_string);
MongoServer server = client.GetServer();
MongoDatabase database = server.GetDatabase(mongodb_database_name); // "test" is the name of the database
mongodb_collection = database.GetCollection <BsonDocument>(mongodb_collection_name);
System.Console.WriteLine("connecting to rabbitmq... wwarning: sometimes it hungs here");
// create rabbitmq connection
IConnection conn = conn_factory.CreateConnection();
// create channel
IModel chan = conn.CreateModel();
chan.ExchangeDeclare(exchange_name,
exchange_type,
false, // durable
false, // autodelete
null); // args
chan.QueueDeclare(queue_name,
false, // durable
false, // exclusive
true, // autodelete
null); // args
chan.QueueBind(queue_name, exchange_name, routing_key);
EventingBasicConsumer c_consumer = new EventingBasicConsumer {
Model = chan
};
c_consumer.Received += my_callback;
System.Console.WriteLine("ready to consume messages...");
// blocking call:
chan.BasicConsume(queue_name,
false,
c_consumer);
/*
* EventingBasicConsumer r_consumer = new EventingBasicConsumer {Model = chan};
* r_consumer.Received += rate_limit_notify;
* chan.BasicConsume("rate_limit",
* false,
* r_consumer);
*/
}
public void main(string[] args)
{
// ============================================================================
// http://stackoverflow.com/questions/5624934/convert-string-into-mongodb-bsondocument
string json_str = @"{
'some_str' : 'bar',
'int_arr' : [1,2,3,4,5],
'int_val' : 1,
'decimal_val' : 99.99,
'double_val' : 88.88
}";
// case 1 of 2: we convert json string to bson document
MongoDB.Bson.BsonDocument bson1
= BsonSerializer.Deserialize<BsonDocument>(json_str);
// case 2 of 2: we convert json string to bson document (same, but more elegant)
//
BsonDocument bson2 = BsonDocument.Parse(json_str);
// now we extract values from bson document. Below you'll find several examples (by different data types)
//
string some_str3 = BsonSerializer.Deserialize<string>(bson2["some_str"].ToJson());
string some_str = BsonSerializer.Deserialize<string>(bson2["some_str"].ToJson());
int[] int_arr = BsonSerializer.Deserialize<int[]>(bson2["int_arr"].ToJson());
int int_val = BsonSerializer.Deserialize<int>(bson2["int_val"].ToJson());
decimal decimal_val = BsonSerializer.Deserialize<decimal>(bson2["decimal_val"].ToJson());
double double_val = BsonSerializer.Deserialize<double>(bson2["double_val"].ToJson());
// now same action, but using Json.NET (imho this way is better (more readable and not mongo-library dependant)
// todo: if we choose this way make sure it's bson docs are really compatible with mongo bson docs.
// OR may be I like the 1st way better now ... ;)
//
JToken root = JObject.Parse(json_str);
JToken some_str2_token = root["some_str"];
string some_str2 = some_str2_token.ToString();
JToken int_arr_token = root["int_arr"];
int[] int_arr2 = JsonConvert.DeserializeObject<int[]>(int_arr_token.ToString());
JToken int_val_token = root["int_val"];
int int_val2 = JsonConvert.DeserializeObject<int>(int_val_token.ToString());
JToken decimal_val_token = root["decimal_val"];
decimal decimal_val2 = JsonConvert.DeserializeObject<decimal>(decimal_val_token.ToString());
JToken double_val_token = root["double_val"];
double double_val2 = JsonConvert.DeserializeObject<double>(double_val_token.ToString());
// noop just for breakpoint ;)
((Action)(() => { }))();
//
// ============================================================================
// [on topic of Query Mongo]
// How to deserialize a BsonDocument object back to class
// http://stackoverflow.com/questions/9478613/how-to-deserialize-a-bsondocument-object-back-to-class
//
//QueryDocument _document = new QueryDocument("key", "value");
//MongoCursor<BsonDocument> _documentsReturned =
// _collection.FindAs<BsonDocument>(_document);
//foreach (BsonDocument _document1 in _wordOntologies)
//{
// //deserialize _document1
// //?
//}
// ============================================================================
// [q] how to create new BsonDocument?
// [a]
//var document = new BsonDocument {
// { "author", "joe" },
// { "title", "yet another blog post" },
// { "text", "here is the text..." },
// { "tags", new BsonArray { "example", "joe" } },
// { "comments", new BsonArray {
// new BsonDocument { { "author", "jim" }, { "comment", "I disagree" } },
// new BsonDocument { { "author", "nancy" }, { "comment", "Good post" } }
// }}
//};
//// ============================================================================
// MongoDB C# - Getting BsonDocument for an Element that doesn't exist
// http://stackoverflow.com/questions/6628794/mongodb-c-sharp-getting-bsondocument-for-an-element-that-doesnt-exist
// There is also an overload that lets you provide a default value:
//
// BsonDocument document;
// var firstName = (string)document["FirstName", null];
// // or
// var firstName = (string)document["FirstName", "N/A"];
//
// OR
//
// var b = new BsonDocument();
// var exists = b.Contains("asdfasdf");
//// ============================================================================
//MyGlobals.args = args;
// .... and then in any other place in app we can access global args:
//string[] args = MyGlobals.args;
string storage_service_config_json = "";
string rabbitmq_config_json = "";
string mongodb_config_json = "";
var p = new OptionSet() {
{ "c|storage-service-config=", "path to storage_service json configuration file",
v => storage_service_config_json = v},
{"r|rabbitmq-config=", "path to rabbitmq json configuration file",
v => rabbitmq_config_json = v},
{"m|mongodb-config=", "path to mongodb json configuration file",
v => mongodb_config_json = v}
};
// parse cmd-line args
List<string> extra;
try
{
extra = p.Parse(args);
}
catch (OptionException e)
{
Console.WriteLine(e.Message);
Console.WriteLine("Try `--help' for more information.");
return;
}
// get parameters documents
if (storage_service_config_json != "")
{
parameters_holder = new ResponseParametersHolder();
parameters_holder.parse_json_file(storage_service_config_json);
storage_service_parameters = parameters_holder.response_parameters;
parameters_holder = new ResponseParametersHolder();
parameters_holder.parse_json_file(rabbitmq_config_json);
rabbitmq_parameters = parameters_holder.response_parameters;
parameters_holder = new ResponseParametersHolder();
parameters_holder.parse_json_file(mongodb_config_json);
mongodb_parameters = parameters_holder.response_parameters;
//_ema_bar = Convert.ToInt32(storage_service_parameters["_ema_bar"]);
//_response_barsize_s = Convert.ToInt32(storage_service_parameters["_response_barsize_s"]);
//_stop_k = Convert.ToDouble(storage_service_parameters["_stop_k"]);
//_target_price_k = Convert.ToDouble(storage_service_parameters["_target_price_k"]);
// Custom name of response set by you
//Name = storage_service_parameters["name"];
}
// extract individual rabbitmq parameters
//
string exchange_name = rabbitmq_parameters["exchange_name"];
string exchange_type = rabbitmq_parameters["exchange_type"];
ConnectionFactory conn_factory = new ConnectionFactory();
conn_factory.HostName = rabbitmq_parameters["host_name"];
conn_factory.UserName = rabbitmq_parameters["user_name"];
conn_factory.Password = rabbitmq_parameters["password"];
// extract storage_service parameters
//
string queue_name = storage_service_parameters["queue_name"];
string routing_key = storage_service_parameters["routing_key"]; // no need to provide routing key for 'fanout' exchange. "rout";
// extract mongodb parameters
//
mongodb_connection_string = mongodb_parameters["mongodb_connection_string"];
mongodb_database_name = mongodb_parameters["mongodb_database_name"];
mongodb_collection_name = mongodb_parameters["mongodb_collection_name"];
//---------------------------------------------------------------- progress bar end --------------
// Create the thread object. This does not start the thread.
Worker_console_hartbeat_progressbar worker_console_hartbeat_progressbar = new Worker_console_hartbeat_progressbar();
Thread workerThread = new Thread(worker_console_hartbeat_progressbar.DoWork);
// Start the worker thread.
workerThread.Start();
//---------------------------------------------------------------- progress bar end --------------
System.Console.WriteLine("Welcome to storage_service (part of tradelink.afterlife)!");
System.Console.WriteLine("---------------------------------------------------------");
System.Console.WriteLine("connecting to mongodb...");
// prepare mongo
MongoClient client = new MongoClient(mongodb_connection_string);
MongoServer server = client.GetServer();
MongoDatabase database = server.GetDatabase(mongodb_database_name); // "test" is the name of the database
mongodb_collection = database.GetCollection<BsonDocument>(mongodb_collection_name);
System.Console.WriteLine("connecting to rabbitmq... wwarning: sometimes it hungs here");
// create rabbitmq connection
IConnection conn = conn_factory.CreateConnection();
// create channel
IModel chan = conn.CreateModel();
chan.ExchangeDeclare(exchange_name,
exchange_type,
false, // durable
false, // autodelete
null); // args
chan.QueueDeclare(queue_name,
false, // durable
false, // exclusive
true, // autodelete
null); // args
chan.QueueBind(queue_name, exchange_name, routing_key);
EventingBasicConsumer c_consumer = new EventingBasicConsumer { Model = chan };
c_consumer.Received += my_callback;
System.Console.WriteLine("ready to consume messages...");
// blocking call:
chan.BasicConsume(queue_name,
false,
c_consumer);
/*
EventingBasicConsumer r_consumer = new EventingBasicConsumer {Model = chan};
r_consumer.Received += rate_limit_notify;
chan.BasicConsume("rate_limit",
false,
r_consumer);
*/
}
