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<html><head><meta http-equiv="Content-Language" content="en-us"><meta http-equiv="Content-Type" content="text/html; charset=windows-1252"><title>UDT Reference</title></head><body><table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" width="100%" id="table2" bgcolor="#99CCFF" bordercolor="#99CCFF"> <tr> <td width="100%"><font face="Verdana" size="2"><i> UDT Reference: </i></font> <i><font face="Verdana" size="2">Error Codes</font></i></td> </tr></table><h1><font face="Verdana" size="4">Error Code List</font></h1><p><font face="Verdana" size="2">All UDT API will return an error upon a failed operation. Particularly, UDT defines UDT::INVALID_SOCK and UDT::ERROR as error returned values. (several routines return false as error value.) Application should check the return value against these two constants.</font></p> <table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" id="table1" bordercolordark="#C0C0C0" bordercolorlight="#C0C0C0" width="100%"> <tr> <th align="center" bgcolor="#C0C0C0" width="133"> <font face="Verdana" size="2">Error Code</font></th> <th align="center" bgcolor="#C0C0C0" width="812"><b> <font face="Verdana" size="2">Comment</font></b></th> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">0</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1"> success operation.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">1000</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">connection setup failure.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">1001</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">server does not exist.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">1002</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">connection request was rejected by server.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">1003</font></td> <td width="812"> <font face="Verdana" size="1">could not create/configure UDP socket.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">1004</font></td> <td width="812"> <font face="Verdana" size="1">connection request was aborted due to security reasons.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">2000</font></td> <td width="812"> <font face="Verdana" size="1">connection failure.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">2001</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">connection was broken.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">2002</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">connection does not exist.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">3000</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">system resource failure.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">3001</font></td> <td width="812"> <font face="Verdana" size="1">could not create new threads.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">3002</font></td> <td width="812"> <font face="Verdana" size="1">could not allocate memory buffers.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">4000</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">file access error.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">4001</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">file access error, invalid read offset.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">4002</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">file access error, do not have read privilege.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">4003</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">file access error, invalid write offset.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">4004</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">file access error, do not have write privilege.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5000</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">operation not supported.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5001</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">cannot execute the operation on bound socket.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5002</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">cannot execute the operation on connected socket.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5003</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">bad parameters.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5004</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">invalid UDT socket descriptor.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5005</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">cannot listen on unbound socket.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">5006</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">(accept) socket is not in listening state.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">5007</font></td> <td width="812"> <font face="Verdana" size="1">rendezvous connect process does not allow listen and accept call.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">5008</font></td> <td width="812"> <font face="Verdana" size="1">the rendezvous set up processing is enabled; bind should be called before connect.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">5009</font></td> <td width="812"> <font face="Verdana" size="1">operation not supported in SOCK_STREAM mode.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">5010</font></td> <td width="812"> <font face="Verdana" size="1">operation not supported in SOCK_DGRAM mode.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">6000</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">non-blocking call failure.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">6001</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">no buffer available for sending.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">6002</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">no data available for reading.</font></td> </tr> <tr> <td width="133"> <font face="Verdana" size="1">6003</font></td> <td width="812"> <font face="Verdana" size="1">no buffer available for the non-blocking recv call.</font></td> </tr> <tr> <td width="133"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">6004</font></td> <td width="812"> <p style="margin-top: 1; margin-bottom: 1"><font face="Verdana" size="1">an overlapped recv is in progress.</font></td> </tr> </table></body></html>⌨️ 快捷键说明
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