Typically, though, WinSock generates WSAENETUNREACH when it receives a "host unreachable" ICMP message from a router instead of WSAEHOSTUNREACH. The WinSock API does not provide any way to select specific name resolution protocols, server address, or record type. If so, then the application might have had a problem resolving the name. In some cases these errors are platform dependent. check my blog
We appreciate your feedback. WSAECONNRESET 10054 Connection reset by peer. WSAEWOULDBLOCK (10035) Operation would blockThis is a temporary condition and later calls to the same routine may complete normally. The specified class was not found. https://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx
Handle the request as a non-fatal error (if possible), since some WinSock's can legally fail the request. Try reconnecting at a later time.WSAECONNABORTED (10053) Software caused connection abort A connection abort was caused internal to your host machine. It may also indicate you are not closing the applications properly.
By calling shutdown a partial close of a socket is requested, which is a signal that sending or receiving, or both have been discontinued. 10060 WSAETIMEDOUT Connection timed out. The behavior may vary: some WinSocks might complete in background, and others may require another call to closesocket to complete. The software caused a connection abort because there is no space on the socket's queue and the socket cannot receive further connections. Socket Error 10049 WSAEADDRINUSE 10048 Address already in use.
User suggestions: Two of the same types of server applications cannot use the same port on the same machine. Winsock Error 10053 Developer suggestion: are you trying to use an optional feature? You cannot use more than one WinSock implementation simultaneously. http://www.elbiah.de/hamster/doc/ref/errwinsock.htm Berkeley description: The protocol has not been configured into the system, or no implementation for it exists.
WSAEALREADY 10037 Operation already in progress. Socket Error 10054 Connection Reset By Peer WSEACCES 10013 Permission denied. If so, is there an older DLL in a directory in the path ahead of the directory containing the newer DLL? The usual example for this is a host name-to-address translation attempt (using gethostbyname or WSAAsyncGetHostByName) which uses the DNS (Domain Name Server).
An application used a Windows Sockets function, which directly maps to a Win32 function. try this This error is returned from operations on nonblocking sockets that cannot be completed immediately, for example recv when no data is queued to be read from the socket. Socket Error 10054 For example, this error is returned if sendto is called with the remote address of ADDR_ANY. What Is A Socket Error The application has tried to determine the status of an overlapped operation, which is not yet completed.
This error is returned from operations on nonblocking sockets that cannot be completed immediately, for example recv when no data is queued to be read from the socket. http://jactionscripters.com/socket-error/winsock-error-997.php WSAENAMETOOLONG 10063 Name too long. An operation was attempted on a nonblocking socket with an operation already in progress - that is, calling connect a second time on a nonblocking socket that is already connecting, or User suggestions: Did you enter a destination hostname? Winsock Error Windows 7
A blocking operation was interrupted by a call to WSACancelBlockingCall. we don't recommend it). The call has been canceled. news It could also occur if an application opens and closes sockets often, but doesn't properly close the sockets (so it leaves them open, as "orphans").
It would also timeout if a (FIN)ish TCP packet is not ACK'd (and even if the FIN is ACK'd, it will eventually timeout if a FIN is not returned). Winsock Error 10061 User suggestions: There may be too many Winsock applications running simultaneously, but this is unlikely since most network systems have many socket handles available. WSA_QOS_EFLOWCOUNT 11023 Incorrect QoS flow count.
Berkeley description: Some invalid argument was supplied (for example, specifying an invalid level to the setsockopt() function). Here is a useable macro: #define MAKEWORD(low, high) ((WORD)(((BYTE)(low)) | (((WORD)((BYTE)(high))) << 8))) WinSock functions: WSAStartup(). [Go to Top] Errors in Numerical Order WSABASEERR (0) No Error WSAEINTR (10004) Interrupted system In other words, the Winsock you are using is not supported by the program you are using. Socket Error Codes Linux A connect request was made on an already-connected socket.
An invalid QoS filter type was used. WSA_QOS_ESHAPERATEOBJ 11030 Invalid QoS shaping rate object. This error indicates that the key (name, address, and so on) was not found. More about the author Developer suggestions: Every application that uses non-blocking sockets must be prepared for this error on any call to the functions mentioned below.
This could indicate a serious failure of the network system (that is, the protocol stack that the Windows Sockets DLL runs over), the network interface, or the local network itself. WSASYSNOTREADY 10091 Network subsystem is unavailable. WinSock description: Similar to Berkeley. Under MS-DOS versions 3.0 and later, EACCES may also indicate a locking or sharing violation.
To recover the orphaned sockets, you can try closing the application and restarting it to recover the open sockets; you may have to end all WinSock applications (to force an unload WinSock functions: recv(), recvfrom(), send(), sendto() WSAENAMETOOLONG (10063) File name too long. Note: this error may also result if you are trying to send a multicast packet and the default gateway does not support multicast (check your interface configuration). Developers should consider handling the referenced errors similarly.
Handle the request as a non-fatal error (if possible), since some WinSock's can legally fail the request. Microsoft C description: Bad file number. WinSock description: Same as Berkeley, except WinSock doesn't support the sendmsg() function, and some WinSock implementations are not so strict as to require an application with a datagram socket to "disconnect"--by WinSock description: The current WinSock implementation does not support the Windows Sockets specification version requested by the application.
User suggestions: Some network systems have commands to report statistics. There are only a few possible causes for this error: you tried to connect to the wrong port. WinSock functions: With a datastream socket: connect() and FD_CONNECT WSAAsyncelect() notification message.
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