int
Ganglia_value_send( Ganglia_metric gmetric, Ganglia_udp_send_channels send_channels )
{
int len, i;
XDR x;
char gmetricmsg[GANGLIA_MAX_MESSAGE_LEN];
Ganglia_value_msg msg;
const apr_array_header_t *arr;
const apr_table_entry_t *elts;
const char *spoof = SPOOF;
apr_pool_t *gm_pool=(apr_pool_t*)gmetric->pool;
if (myhost[0] == '\0')
apr_gethostname( (char*)myhost, APRMAXHOSTLEN+1, gm_pool);
msg.id = gmetric_string;
msg.Ganglia_value_msg_u.gstr.metric_id.host = apr_pstrdup (gm_pool, (char*)myhost);
msg.Ganglia_value_msg_u.gstr.metric_id.name = apr_pstrdup (gm_pool, gmetric->msg->name);
msg.Ganglia_value_msg_u.gstr.metric_id.spoof = FALSE;
msg.Ganglia_value_msg_u.gstr.fmt = apr_pstrdup (gm_pool, "%s");
msg.Ganglia_value_msg_u.gstr.str = apr_pstrdup (gm_pool, gmetric->value);
arr = apr_table_elts(gmetric->extra);
elts = (const apr_table_entry_t *)arr->elts;
/* add all of the metadata to the packet */
for (i = 0; i < arr->nelts; ++i) {
if (elts[i].key == NULL)
continue;
/* Replace the host name with the spoof host if it exists in the metadata */
if ((apr_toupper(elts[i].key[0]) == spoof[0]) && strcasecmp(SPOOF_HOST, elts[i].key) == 0)
{
msg.Ganglia_value_msg_u.gstr.metric_id.host = apr_pstrdup (gm_pool, elts[i].val);
msg.Ganglia_value_msg_u.gstr.metric_id.spoof = TRUE;
}
if ((apr_toupper(elts[i].key[0]) == spoof[0]) && strcasecmp(SPOOF_HEARTBEAT, elts[i].key) == 0)
{
msg.Ganglia_value_msg_u.gstr.metric_id.name = apr_pstrdup (gm_pool, "heartbeat");
msg.Ganglia_value_msg_u.gstr.metric_id.spoof = TRUE;
}
}
/* Send the message */
xdrmem_create(&x, gmetricmsg, GANGLIA_MAX_MESSAGE_LEN, XDR_ENCODE);
if(!xdr_Ganglia_value_msg(&x, &msg))
{
return 1;
}
len = xdr_getpos(&x);
/* Send the encoded data along...*/
return Ganglia_udp_send_message( send_channels, gmetricmsg, len);
}
static int mc_handle_metric (void *buffer, size_t buffer_size) /* {{{ */
{
XDR xdr;
Ganglia_msg_formats format;
xdrmem_create (&xdr, buffer, buffer_size, XDR_DECODE);
xdr_Ganglia_msg_formats (&xdr, &format);
xdr_setpos (&xdr, 0);
switch (format)
{
case gmetric_ushort:
case gmetric_short:
case gmetric_int:
case gmetric_uint:
case gmetric_string:
case gmetric_float:
case gmetric_double:
{
Ganglia_value_msg msg;
memset (&msg, 0, sizeof (msg));
if (xdr_Ganglia_value_msg (&xdr, &msg))
mc_handle_value_msg (&msg);
break;
}
case gmetadata_full:
case gmetadata_request:
{
Ganglia_metadata_msg msg;
memset (&msg, 0, sizeof (msg));
if (xdr_Ganglia_metadata_msg (&xdr, &msg))
mc_handle_metadata_msg (&msg);
break;
}
default:
DEBUG ("gmond plugin: Unknown format: %i", format);
return (-1);
} /* switch (format) */
return (0);
} /* }}} int mc_handle_metric */
