public static NetMQMessage ReceiveMessage(this IReceivingSocket socket, bool dontWait = false)
{
NetMQMessage message = new NetMQMessage();
socket.ReceiveMessage(message, dontWait);
return(message);
}
/// <summary>
/// Extension-method for IReceivingSocket: repeatedly call Rece on this socket, until we receive
/// a message with one 8-byte frame, which matches a specific pattern.
/// </summary>
/// <param name="socket">this socket to receive the messages from</param>
/// <returns>true if that one frame has no bits set other than in the lowest-order byte</returns>
public static bool WaitForSignal(this IReceivingSocket socket)
{
while (true)
{
var message = socket.ReceiveMessage();
if (message.FrameCount == 1 && message.First.MessageSize == 8)
{
long signalValue = message.First.ConvertToInt64();
if ((signalValue & 0x7FFFFFFFFFFFFF00L) == 0x7766554433221100L)
{
return((signalValue & 255) == 0);
}
}
}
}
/// <summary>
/// Receive a Example from the socket.
/// </summary>
public void Receive(IReceivingSocket input)
{
bool more;
if (input is RouterSocket)
{
RoutingId = input.Receive(out more);
if (!more)
{
throw new MessageException("No routing id");
}
}
else
{
RoutingId = null;
}
Msg msg = new Msg();
msg.InitEmpty();
try
{
input.Receive(ref msg, SendReceiveOptions.None);
m_offset = 0;
m_buffer = msg.Data;
more = msg.HasMore;
UInt16 signature = GetNumber2();
if (signature != (0xAAA0 | 0))
{
throw new MessageException("Invalid signature");
}
// Get message id and parse per message type
Id = (MessageId)GetNumber1();
int listSize;
int hashSize;
int chunkSize;
byte[] guidBytes;
UInt16 version;
switch (Id)
{
case MessageId.Log:
Sequence = GetNumber2();
version = GetNumber2();
if (version != 3)
{
throw new MessageException("Version is invalid");
}
Level = GetNumber1();
Event = GetNumber1();
Node = GetNumber2();
Peer = GetNumber2();
Time = GetNumber8();
Host = GetString();
Data = GetLongString();
break;
case MessageId.Structures:
Sequence = GetNumber2();
listSize = (int)GetNumber4();
Aliases = new List<string>(listSize);
while (listSize-- > 0)
{
string s = GetLongString();
Aliases.Add(s);
}
hashSize = (int)GetNumber4();
Headers = new Dictionary<string, string>();
while (hashSize-- > 0)
{
string key = GetString();
string value = GetLongString();
Headers.Add(key, value);
}
break;
case MessageId.Binary:
Sequence = GetNumber2();
GetOctets(Flags, 4);
chunkSize = (int)GetNumber4();
if (m_offset + chunkSize > m_buffer.Length)
{
throw new MessageException("PublicKey is missing data");
}
PublicKey = new byte[chunkSize];
GetOctets(PublicKey, chunkSize);
if (m_offset + 16 > m_buffer.Length)
{
throw new MessageException("Identifier is invalid");
}
guidBytes = new byte[16];
GetOctets(guidBytes, 16);
Identifier = new Guid(guidBytes);
// Get next frame off socket
if (!more)
{
throw new MessageException("Address is missing");
}
Address = input.Receive(out more);
// Get zero or more remaining frames
if (more)
Content = input.ReceiveMessage();
else
Content = new NetMQMessage();
break;
case MessageId.Types:
Sequence = GetNumber2();
ClientForename = GetString();
ClientSurname = GetString();
ClientMobile = GetString();
ClientEmail = GetString();
SupplierForename = GetString();
SupplierSurname = GetString();
SupplierMobile = GetString();
SupplierEmail = GetString();
break;
default:
throw new MessageException("Bad message id");
break;
}
}
finally
{
m_buffer = null;
msg.Close();
}
}
/// <summary>
/// Receive a Example from the socket.
/// </summary>
public void Receive(IReceivingSocket input)
{
bool more;
if (input is RouterSocket)
{
RoutingId = input.Receive(out more);
if (!more)
{
throw new MessageException("No routing id");
}
}
else
{
RoutingId = null;
}
Msg msg = new Msg();
msg.InitEmpty();
try
{
input.Receive(ref msg, SendReceiveOptions.None);
m_offset = 0;
m_buffer = msg.Data;
more = msg.HasMore;
UInt16 signature = GetNumber2();
if (signature != (0xAAA0 | 0))
{
throw new MessageException("Invalid signature");
}
// Get message id and parse per message type
Id = (MessageId)GetNumber1();
int listSize;
int hashSize;
int chunkSize;
byte[] guidBytes;
UInt16 version;
switch (Id)
{
case MessageId.Log:
Sequence = GetNumber2();
version = GetNumber2();
if (version != 3)
{
throw new MessageException("Version is invalid");
}
Level = GetNumber1();
Event = GetNumber1();
Node = GetNumber2();
Peer = GetNumber2();
Time = GetNumber8();
Host = GetString();
Data = GetLongString();
break;
case MessageId.Structures:
Sequence = GetNumber2();
listSize = (int)GetNumber4();
Aliases = new List <string>(listSize);
while (listSize-- > 0)
{
string s = GetLongString();
Aliases.Add(s);
}
hashSize = (int)GetNumber4();
Headers = new Dictionary <string, string>();
while (hashSize-- > 0)
{
string key = GetString();
string value = GetLongString();
Headers.Add(key, value);
}
break;
case MessageId.Binary:
Sequence = GetNumber2();
GetOctets(Flags, 4);
chunkSize = (int)GetNumber4();
if (m_offset + chunkSize > m_buffer.Length)
{
throw new MessageException("PublicKey is missing data");
}
PublicKey = new byte[chunkSize];
GetOctets(PublicKey, chunkSize);
if (m_offset + 16 > m_buffer.Length)
{
throw new MessageException("Identifier is invalid");
}
guidBytes = new byte[16];
GetOctets(guidBytes, 16);
Identifier = new Guid(guidBytes);
// Get next frame off socket
if (!more)
{
throw new MessageException("Address is missing");
}
Address = input.Receive(out more);
// Get zero or more remaining frames
if (more)
{
Content = input.ReceiveMessage();
}
else
{
Content = new NetMQMessage();
}
break;
case MessageId.Types:
Sequence = GetNumber2();
ClientForename = GetString();
ClientSurname = GetString();
ClientMobile = GetString();
ClientEmail = GetString();
SupplierForename = GetString();
SupplierSurname = GetString();
SupplierMobile = GetString();
SupplierEmail = GetString();
break;
default:
throw new MessageException("Bad message id");
break;
}
}
finally
{
m_buffer = null;
msg.Close();
}
}