/* HTErrorSysAdd
**
** Add a system error message to the error list in HTRequest. syscall
** is the name of the system call, e.g. "close". The message put to the
** list is that corresponds to the errno. This function also replaces
** HTInetStatus, which is called from within.
**
** See also HTErrorAdd.
**
** Returns always < 0
*/
PUBLIC int HTErrorSysAdd ARGS4(HTRequest *, request,
HTErrSeverity, severity,
BOOL, ignore,
char *, syscall)
{
if (!request) {
if (TRACE) fprintf(stderr, "HTErrorSys.. Bad argument!\n");
return -1;
}
if (syscall) {
HTInetStatus(syscall);
} else
HTInetStatus("Unspecified System Call");
{
char temp[100];
char *errmsg = NULL;
sprintf(temp, error_info[HTERR_SYSTEM].msg, syscall);
StrAllocCopy(errmsg, temp);
StrAllocCat(errmsg, HTErrnoString());
HTErrorAdd(request, severity, ignore, HTERR_SYSTEM, (void *) errmsg,
(int) strlen(errmsg), syscall);
free(errmsg);
}
return (-HTERR_SYSTEM);
}
/*
** For a given socket, reqister a request structure, a set of operations,
** a HTEventCallback function, and a priority. For this implementation,
** we allow only a single HTEventCallback function for all operations.
** and the priority field is ignored.
*/
PUBLIC int HTEventList_register (SOCKET s, HTEventType type, HTEvent * event)
{
int newset = 0;
SockEvents * sockp;
HTTRACE(THD_TRACE, "Event....... Register socket %d, request %p handler %p type %s at priority %d\n" _
s _ (void *) event->request _
(void *) event->cbf _ HTEvent_type2str(type) _
(unsigned) event->priority);
if (s==INVSOC || HTEvent_INDEX(type) >= HTEvent_TYPES)
return 0;
/*
** Insert socket into appropriate file descriptor set. We also make sure
** that it is registered in the global set.
*/
HTTRACE(THD_TRACE, "Event....... Registering socket for %s\n" _ HTEvent_type2str(type));
sockp = SockEvents_get(s, SockEvents_mayCreate);
sockp->s = s;
sockp->events[HTEvent_INDEX(type)] = event;
newset = EventList_remaining(sockp);
#ifdef WWW_WIN_ASYNC
if (WSAAsyncSelect(s, HTSocketWin, HTwinMsg, HTEvent_BITS(newset)) < 0) {
HTTRACE(THD_TRACE, "Event....... WSAAsyncSelect returned `%s'!" _ HTErrnoString(socerrno));
return HT_ERROR;
}
#else /* WWW_WIN_ASYNC */
FD_SET(s, FdArray+HTEvent_INDEX(type));
HTTRACEDATA((char *) FdArray+HTEvent_INDEX(type), 8, "HTEventList_register: (s:%d)" _ s);
if (s > MaxSock) {
MaxSock = s ;
HTTRACE(THD_TRACE, "Event....... New value for MaxSock is %d\n" _ MaxSock);
}
#endif /* !WWW_WIN_ASYNC */
/*
** If the timeout has been set (relative in millis) then we register
** a new timeout for this event unless we already have a timer.
*/
if (event->millis >= 0) {
sockp->timeouts[HTEvent_INDEX(type)] =
HTTimer_new(sockp->timeouts[HTEvent_INDEX(type)],
EventListTimerHandler, sockp, event->millis, YES, YES);
}
return HT_OK;
}