/*
* _event_marshall
*
* marshall event packet
*
* Returns length written to buffer on success, -1 on error
*/
static int
_event_marshall(struct cerebro_event *event,
char *buf,
unsigned int buflen)
{
int bufPtrlen, n, c = 0;
char *bufPtr;
assert(event && buf && buflen >= CEREBRO_EVENT_HEADER_LEN);
memset(buf, '\0', buflen);
c += Marshall_int32(event->version, buf + c, buflen - c);
c += Marshall_u_int32(event->err_code, buf + c, buflen - c);
bufPtr = event->nodename;
bufPtrlen = sizeof(event->nodename);
c += Marshall_buffer(bufPtr, bufPtrlen, buf + c, buflen - c);
bufPtr = event->event_name;
bufPtrlen = sizeof(event->event_name);
c += Marshall_buffer(bufPtr, bufPtrlen, buf + c, buflen - c);
if ((n = marshall_data(event->event_value_type,
event->event_value_len,
event->event_value,
buf + c,
buflen - c,
NULL)) < 0)
goto cleanup;
c += n;
return c;
cleanup:
return -1;
}
/*
* _metric_control_request_marshall
*
* Marshall contents of a metric control request
*
* Returns length written to buffer on success, -1 on error
*/
static int
_metric_control_request_marshall(cerebro_t handle,
struct cerebro_metric_control_request *req,
char *buf,
unsigned int buflen)
{
int n, errnum, bufPtrlen, c = 0;
char *bufPtr;
if (!buf || buflen < CEREBRO_METRIC_CONTROL_REQUEST_HEADER_LEN)
{
CEREBRO_DBG(("invalid parameters"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
memset(buf, '\0', buflen);
if ((n = marshall_int32(req->version, buf + c, buflen - c)) <= 0)
{
CEREBRO_DBG(("marshall_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if ((n = marshall_int32(req->command, buf + c, buflen - c)) <= 0)
{
CEREBRO_DBG(("marshall_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if ((n = marshall_u_int32(req->flags, buf + c, buflen - c)) <= 0)
{
CEREBRO_DBG(("marshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
bufPtr = req->metric_name;
bufPtrlen = sizeof(req->metric_name);
if ((n = marshall_buffer(bufPtr, bufPtrlen, buf + c, buflen - c)) <= 0)
{
CEREBRO_DBG(("marshall_buffer"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if ((n = marshall_data(req->metric_value_type,
req->metric_value_len,
req->metric_value,
buf + c,
buflen - c,
&errnum)) < 0)
{
handle->errnum = errnum;
return -1;
}
c += n;
return c;
}
