void
RpcVMX_LogV(const char *fmt, va_list args)
{
int payloadLen;
payloadLen = Str_Vsnprintf(RpcVMX.logBuf + RpcVMX.logOffset,
sizeof RpcVMX.logBuf - RpcVMX.logOffset,
fmt, args);
if (payloadLen < 1) {
/*
* Overflow. We need more space in the buffer. Just set the length to
* the buffer size and send the (truncated) log message.
*/
payloadLen = sizeof RpcVMX.logBuf - RpcVMX.logOffset;
}
RpcOut_SendOneRaw(RpcVMX.logBuf, RpcVMX.logOffset + payloadLen, NULL, NULL);
}
Bool
RpcOut_sendOne(char **reply, // OUT: Result
size_t *repLen, // OUT: Length of the result
char const *reqFmt, // IN: RPCI command
...) // Unspecified
{
va_list args;
Bool status;
char *request;
size_t reqLen = 0;
status = FALSE;
/* Format the request string */
va_start(args, reqFmt);
request = Str_Vasprintf(&reqLen, reqFmt, args);
va_end(args);
/*
* If Str_Vasprintf failed, write NULL into the reply if the caller wanted
* a reply back.
*/
if (request == NULL) {
if (reply) {
*reply = NULL;
}
return FALSE;
}
/*
* If the command doesn't contain a space, add one to the end to maintain
* compatibility with old VMXs.
*
* For a long time, the GuestRpc logic in the VMX was wired to expect a
* trailing space in every command, even commands without arguments. That is
* no longer true, but we must continue to add a trailing space because we
* don't know whether we're talking to an old or new VMX.
*/
if (strchr(request, ' ') == NULL) {
char *tmp;
tmp = Str_Asprintf(NULL, "%s ", request);
free(request);
request = tmp;
/*
* If Str_Asprintf failed, write NULL into reply if the caller wanted
* a reply back.
*/
if (request == NULL) {
if (reply != NULL) {
*reply = NULL;
}
return FALSE;
}
}
status = RpcOut_SendOneRaw(request, reqLen, reply, repLen);
free(request);
return status;
}
