| |
NAVIGATION
|
|
|
|
|
Direct Sound wrapper classes.
download here.
|
|
How to get sensible message from WinSock?
|
If you are network programmer (or wish to become one) you will surely
meet the WSAGetLast Message() function. Here I rewrote a simple
ReportError() function. The original one is from the Johnnie's Winsock Tutorial.
/*
Name:ReportError.cpp
Author: Aleksandar Pavlov
a.k.a Scorpion in http://cpp-home.com/forum
and http://sourcecore.net/forums
Description: this function translates error message returned by
WSAGetLastError() into something understandable.
Basic constuction got from Johnnie's Winsock Tutorial,
all error meanings are got from MS VC++ 6.0 Docs,
brought together by me.
Date: 15.02.06 15:16
Copyright: free
*/
#include <windows.h>
#include <stdio.h>
void ReportError(int errorCode, const char *whichFunc)
{
char errorMsg[100]; // Declare a buffer to hold the generated messages
char caption[50];
ZeroMemory(errorMsg, 100); // Automatically NULL-terminate the strings
ZeroMemory(caption, 50);
sprintf(caption, "Socket Error on function %s !", (char *)whichFunc);
switch(errorCode)
{case 10014:
sprintf(errorMsg, "Bad address.");//
break;
case 10022:
sprintf(errorMsg, "Invalid argument.");//
break;
case 10036:
sprintf(errorMsg, "Operation now in progress.");//
break;
case 10037:
sprintf(errorMsg, "Operation already in progress. ");//
break;
case 10038:
sprintf(errorMsg, "Socket operation on non-socket.");//
break;
case 10040:
sprintf(errorMsg, "Message too long.");//
break;
case 10048:
sprintf(errorMsg, "Address already in use.");//
break;
case 10049:
sprintf(errorMsg, "Cannot assign requested address.");//
break;
case 10050:
sprintf(errorMsg, "Network is down.");//
break;
case 10053:
sprintf(errorMsg, "Software caused connection abort.");//
break;
case 10054:
sprintf(errorMsg, "Connection reset by remote side.");//
break;
case 10055:
sprintf(errorMsg, "No buffer space available.");//
break;
case 10057:
sprintf(errorMsg, "Socket is not connected.");//
break;
case 10060:
sprintf(errorMsg, "Connection timed out.");//
break;
case 10061:
sprintf(errorMsg, "Connection refused.");//
break;
case 10064:
sprintf(errorMsg, "Host is down.");//
break;
/* case :
sprintf(errorMsg, "");
break;
*/ default:
sprintf(caption, "Socket Indication");
sprintf(errorMsg, "Call to %s returned error %d!", (char *)whichFunc, errorCode);
}
MessageBox(NULL, errorMsg, caption, MB_OK | MB_ICONERROR);// show it finally
return;
};//end of ReportError()
How to use it:
int nRet
sckt = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sckt == INVALID_SOCKET)
{
nRet = WSAGetLastError();
ReportError(nRet, "socket()");
WSACleanup(); // Shutdown Winsock
return
ERROR;
//error
}
Or:
int nRet = listen(sckt, 2);
if (nRet == SOCKET_ERROR)
{ nRet = WSAGetLastError();
ReportError(nRet, "listen()");
closesocket(sckt);
WSACleanup();
return
ERROR;
//error
}
|
|
© 2005 All Rights Reserved.
Create a
free website at Webs.com
|  |
|
