// note: this method will run on a thread from the ThreadPool
private void QueryNodeWorkItem(
object parameters
)
{
// this method has to work at a very low level because the connection pool isn't set up yet
var args = (QueryNodeParameters)parameters;
var response = new QueryNodeResponse {
Address = args.Address, EndPoint = args.EndPoint
};
try {
var connection = new MongoConnection(null, args.EndPoint); // no connection pool
try {
var isMasterCommand = new CommandDocument("ismaster", 1);
var isMasterResult = connection.RunCommand(server, "admin.$cmd", QueryFlags.SlaveOk, isMasterCommand);
response.IsMasterResult = isMasterResult;
response.Connection = connection; // might become the first connection in the connection pool
response.IsPrimary = isMasterResult.Response["ismaster", false].ToBoolean();
response.MaxDocumentSize = isMasterResult.Response["maxBsonObjectSize", server.MaxDocumentSize].ToInt32();
response.MaxMessageLength = Math.Max(MongoDefaults.MaxMessageLength, response.MaxDocumentSize + 1024); // derived from maxDocumentSize
if (server.Settings.ReplicaSetName != null)
{
var getStatusCommand = new CommandDocument("replSetGetStatus", 1);
var getStatusResult = connection.RunCommand(server, "admin.$cmd", QueryFlags.SlaveOk, getStatusCommand);
var replicaSetName = getStatusResult.Response["set"].AsString;
if (replicaSetName != server.Settings.ReplicaSetName)
{
var message = string.Format("Host {0} belongs to a different replica set: {1}", args.EndPoint, replicaSetName);
throw new MongoConnectionException(message);
}
}
} catch {
try { connection.Close(); } catch { } // ignore exceptions
throw;
}
} catch (Exception ex) {
response.Exception = ex;
}
args.ResponseQueue.Enqueue(response);
}
private List <MongoServerAddress> GetHostAddresses(
QueryNodeResponse response
)
{
if (!response.IsMasterResult.Response.Contains("hosts"))
{
var message = string.Format("Server is not a member of a replica set: {0}", response.Address);
throw new MongoConnectionException(message);
}
var nodes = new List <MongoServerAddress>();
foreach (BsonString host in response.IsMasterResult.Response["hosts"].AsBsonArray.Values)
{
var address = MongoServerAddress.Parse(host.Value);
nodes.Add(address);
}
return(nodes);
}
private List<MongoServerAddress> GetHostAddresses(
QueryNodeResponse response
) {
if (!response.IsMasterResult.Response.Contains("hosts")) {
var message = string.Format("Server is not a member of a replica set: {0}", response.Address);
throw new MongoConnectionException(message);
}
var nodes = new List<MongoServerAddress>();
foreach (BsonString host in response.IsMasterResult.Response["hosts"].AsBsonArray.Values) {
var address = MongoServerAddress.Parse(host.Value);
nodes.Add(address);
}
return nodes;
}
// note: this method will run on a thread from the ThreadPool
private void QueryNodeWorkItem(
object parameters
) {
// this method has to work at a very low level because the connection pool isn't set up yet
var args = (QueryNodeParameters) parameters;
var response = new QueryNodeResponse { Address = args.Address, EndPoint = args.EndPoint };
try {
var connection = new MongoConnection(null, args.EndPoint); // no connection pool
try {
var isMasterCommand = new CommandDocument("ismaster", 1);
var isMasterResult = connection.RunCommand(server, "admin.$cmd", QueryFlags.SlaveOk, isMasterCommand);
response.IsMasterResult = isMasterResult;
response.Connection = connection; // might become the first connection in the connection pool
response.IsPrimary = isMasterResult.Response["ismaster", false].ToBoolean();
response.MaxDocumentSize = isMasterResult.Response["maxBsonObjectSize", server.MaxDocumentSize].ToInt32();
response.MaxMessageLength = Math.Max(MongoDefaults.MaxMessageLength, response.MaxDocumentSize + 1024); // derived from maxDocumentSize
if (server.Settings.ReplicaSetName != null) {
var getStatusCommand = new CommandDocument("replSetGetStatus", 1);
var getStatusResult = connection.RunCommand(server, "admin.$cmd", QueryFlags.SlaveOk, getStatusCommand);
var replicaSetName = getStatusResult.Response["set"].AsString;
if (replicaSetName != server.Settings.ReplicaSetName) {
var message = string.Format("Host {0} belongs to a different replica set: {1}", args.EndPoint, replicaSetName);
throw new MongoConnectionException(message);
}
}
} catch {
try { connection.Close(); } catch { } // ignore exceptions
throw;
}
} catch (Exception ex) {
response.Exception = ex;
}
args.ResponseQueue.Enqueue(response);
}
// note: this method will run on a thread from the ThreadPool
private void QueryNodeWorkItem(
object parameters
)
{
// this method has to work at a very low level because the connection pool isn't set up yet
var args = (QueryNodeParameters) parameters;
var response = new QueryNodeResponse { Address = args.Address };
try {
var connection = new MongoConnection(null, args.Address); // no connection pool
try {
var isMasterCommand = new BsonDocument("ismaster", 1);
var isMasterResult = connection.RunCommand("admin.$cmd", QueryFlags.SlaveOk, isMasterCommand);
response.IsMasterResult = isMasterResult;
response.Connection = connection; // might become the first connection in the connection pool
response.IsPrimary = isMasterResult["ismaster", false].ToBoolean();
if (url.ReplicaSetName != null) {
var getStatusCommand = new BsonDocument("replSetGetStatus", 1);
var getStatusResult = connection.RunCommand("admin.$cmd", QueryFlags.SlaveOk, getStatusCommand);
var replicaSetName = getStatusResult["set"].AsString;
if (replicaSetName != url.ReplicaSetName) {
var message = string.Format("Host {0} belongs to a different replica set: {1}", args.Address, replicaSetName);
throw new MongoConnectionException(message);
}
}
} catch {
try { connection.Close(); } catch { } // ignore exceptions
throw;
}
} catch (Exception ex) {
response.Exception = ex;
}
args.ResponseQueue.Enqueue(response);
}
