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Wsaenoprotoopt

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For example, the error can occur when an attempt is made to read from a file that is not open, to open an existing read-only file for writing, or to open WSAEINTR (10004) Interrupted function call. WSA_QOS_POLICY_FAILURE 11011 QoS policy failure. Handle the request as a non-fatal error (if possible), since some WinSock's can legally fail the request.

In Berkeley, this error also occurs when you are trying to name the local socket (assign local address and port number) with bind(), but Windows Sockets doesn't ascribe this error to WSAEADDRINUSE 10048 Address already in use. Either the application has not called WSAStartup or WSAStartup failed. The missing functions are getprotobyname(), getprotobynumber(), getservbyname(), and getservbyport().

Socket Error 10054

you tried to connect to the wrong destination host address the server application isn't running on the destination host the server application isn't listening on the right port. This indicates that some sort of nonrecoverable error occurred during a database lookup. WSAETIMEDOUT 10060 Connection timed out.

Berkeley description: The attempted operation is not supported for the type of object referenced. Of the two that can fail, neither of them set an error value you can retrieve from WSAGetLastError() (refer to Chapter 10, "Support Routines" for more information on any of these An invalid or inconsistent flowspec was found in the QOS structure. Socket Error 10054 Connection Reset By Peer An application used a Windows Sockets function that directly maps to a Windows function.

When it occurs, it could indicate a serious failure of your network system (i.e. What Is A Socket Error WSA_QOS_TRAFFIC_CTRL_ERROR 11014 QoS traffic control error. WinSock functions: WSAStartup() WSATRY_AGAIN (11002) Non-authoritative host not found Berkeley description: This is usually a temporary error and means that the local server did not receive a response from an authoritative Request refused: name server refuses to satisfy your query for policy reasons.

WSAEMSGSIZE (10040) Message too long. Socket Error 10049 It is unmoderated and operates on the "public virtue" system. WSAECANCELLED 10103 Call has been canceled. The explanation is simple and obvious: in order to connect to or send to a destination address, you need to provide the destination address.

What Is A Socket Error

This error may also be returned for protocol and service queries, and means that the specified name could not be found in the relevant database. An unknown or conflicting QoS style was encountered. Socket Error 10054 WSA_IO_PENDING 997 Overlapped operations will complete later. Socket Error 10053 WSA_OPERATION_ABORTED 995 Overlapped operation aborted.

The system detected an invalid pointer address in attempting to use a pointer argument of a call. WSANO_DATA 11004 Valid name, no data record of requested type. Berkeley description: Some invalid argument was supplied (for example, specifying an invalid level to the setsockopt() function). Comment 3 Wan-Teh Chang 1999-11-16 16:58:59 PST I found one relevant article in Microsoft Knowledge Base: Q131978 - HOWTO: Receive/Send Multicasts Under WinNT/Win95 Using Winsock. Socket Error 10038

For information, see the Handling Winsock Errors topic. Berkeley description: A connect or send request failed because the connected party did not properly respond after a period of time. (The timeout period is dependent on the communication protocol.) WinSock Although some WinSock implementations might not issue other errors if a connection fails, so you can handle this error as you would others that indicate connection failure. But apparently IP multicast is just not supported, as shown by the runtime error. (The OS error is 10042, WSAENOPROTOOPT, "The option is unknown or unsupported for the specified provider," which

WSAEWOULDBLOCK 10035 Resource temporarily unavailable. Wsagetlasterror 0 Typically, though, WinSock generates WSAENETUNREACH when it receives a "host unreachable" ICMP message from a router instead of WSAEHOSTUNREACH. This is not a soft error, another type of name server request may be successful.

No more results can be returned by the WSALookupServiceNext function.

Developer suggestions: to make your application more portable: with datagram sockets don't use connect() and sendto() on the same datagram socket in an application, and always "disconnect" before calling connect() more a TCP reset received from remote host). have bounds, or specific values) might return this error. Wsaeconnreset 10054 User suggestions: see WSAENETUNREACH for details WinSock functions: Additional functions: Any function that does network I/O.

Developer suggestions: If you have a network analyzer available, you can quickly check if the destination port number and host address are what you expect. An overlapped operation was canceled due to the closure of the socket, or the execution of the SIO_FLUSH command in WSAIoctl. The name you have used is not an official hostname or alias. Berkeley description: This is a temporary condition and later calls to the same routine may complete normally (also known as EAGAIN error in Berkeley Software Distribution version 4.3) WinSock description: Same

You could also try to resolve another hostname you know should work, to check that the name resolution server application is running. we don't recommend it). WSAEINVAL (10022) Invalid argument. The QoS request was rejected because the policy system couldn't allocate the requested resource within the existing policy.

An example is using a broadcast address for sendto without broadcast permission being set using setsockopt(SO_BROADCAST). An unrecognized object was found in the QoS provider-specific buffer. An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. Previou: 0x1dd1 Next: 0x3b9 Rating for Windows Wiki: 5 out of 5 stars from 75 ratings.