/*
* _event_server_response_unmarshall
*
* Unmarshall contents of a event server response
*
* Returns 0 on success, -1 on error
*/
static int
_event_server_response_unmarshall(cerebro_t handle,
struct cerebro_event_server_response *res,
const char *buf,
unsigned int buflen)
{
int n, bufPtrlen, c = 0;
char *bufPtr;
if (!res || !buf || buflen < CEREBRO_EVENT_SERVER_RESPONSE_LEN)
{
CEREBRO_DBG(("invalid pointers"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
if ((n = unmarshall_int32(&(res->version), buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if ((n = unmarshall_u_int32(&(res->err_code), buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if ((n = unmarshall_u_int8(&(res->end), buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int8"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
bufPtr = res->event_name;
bufPtrlen = sizeof(res->event_name);
if ((n = unmarshall_buffer(bufPtr, bufPtrlen, buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_buffer"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if (c != CEREBRO_EVENT_SERVER_RESPONSE_LEN)
{
handle->errnum = CEREBRO_ERR_PROTOCOL;
return -1;
}
return 0;
}
/*
* _event_server_err_check
*
* Check that the version and error code are good prior to
* unmarshalling
*
* Returns 0 on success, -1 on error
*/
static int
_event_server_err_check(cerebro_t handle,
const char *buf,
unsigned int buflen)
{
int n, len = 0;
int32_t version;
u_int32_t err_code;
if ((n = unmarshall_int32(&version, buf + len, buflen - len)) < 0)
{
CEREBRO_DBG(("unmarshall_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
if (!n)
{
handle->errnum = CEREBRO_ERR_PROTOCOL;
return -1;
}
len += n;
if ((n = unmarshall_u_int32(&err_code, buf + len, buflen - len)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
if (!n)
{
handle->errnum = CEREBRO_ERR_PROTOCOL;
return -1;
}
len += n;
if (version != CEREBRO_EVENT_SERVER_PROTOCOL_VERSION)
{
handle->errnum = CEREBRO_ERR_VERSION_INCOMPATIBLE;
return -1;
}
if (err_code != CEREBRO_EVENT_SERVER_PROTOCOL_ERR_SUCCESS)
{
handle->errnum = _event_server_protocol_err_code_conversion(err_code);
return -1;
}
/* Note: We don't care about the 'end' or the 'event_name' portions
* of the response when we're just looking for an error code.
*/
return 0;
}
/*
* _metric_control_response_check
*
* Check the version and error code
*
* Returns 0 on success, -1 on error
*/
static int
_metric_control_response_check(cerebro_t handle,
const char *buf,
unsigned int buflen)
{
int n, len = 0;
int32_t version;
u_int32_t err_code;
if ((n = unmarshall_int32(&version, buf + len, buflen - len)) < 0)
{
CEREBRO_DBG(("unmarshall_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
if (!n)
{
handle->errnum = CEREBRO_ERR_PROTOCOL;
return -1;
}
len += n;
if ((n = unmarshall_u_int32(&err_code, buf + len, buflen - len)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
if (!n)
{
handle->errnum = CEREBRO_ERR_PROTOCOL;
return -1;
}
len += n;
if (version != CEREBRO_METRIC_CONTROL_PROTOCOL_VERSION)
{
handle->errnum = CEREBRO_ERR_VERSION_INCOMPATIBLE;
return -1;
}
if (err_code != CEREBRO_METRIC_CONTROL_PROTOCOL_ERR_SUCCESS)
{
handle->errnum = _metric_control_protocol_err_code_conversion(err_code);
return -1;
}
return 0;
}
int
wrap_unmarshall_u_int32(WRAPPERS_ARGS, u_int32_t *val, const char *buf, unsigned int buflen)
{
int rv;
assert(file && function);
if (!val || !buf)
WRAPPERS_ERR_INVALID_PARAMETERS("unmarshall_u_int32");
if ((rv = unmarshall_u_int32(val, buf, buflen)) < 0)
WRAPPERS_ERR_ERRNO("unmarshall_u_int32");
return rv;
}
/*
* _event_header_unmarshall
*
* Unmarshall contents of a event server event header
*
* Returns 0 on success, -1 on error
*/
static int
_event_header_unmarshall(cerebro_t handle,
struct cerebro_event *event,
const char *buf,
unsigned int buflen)
{
u_int32_t *etypePtr, *elenPtr;
int n, bufPtrlen, c = 0;
char *bufPtr;
if (!event || !buf || buflen < CEREBRO_EVENT_HEADER_LEN)
{
CEREBRO_DBG(("invalid pointers"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
if ((n = unmarshall_int32(&(event->version), buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if ((n = unmarshall_u_int32(&(event->err_code), buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
bufPtr = event->nodename;
bufPtrlen = sizeof(event->nodename);
if ((n = unmarshall_buffer(bufPtr, bufPtrlen, buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_buffer"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
bufPtr = event->event_name;
bufPtrlen = sizeof(event->event_name);
if ((n = unmarshall_buffer(bufPtr, bufPtrlen, buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_buffer"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
etypePtr = &(event->event_value_type);
if ((n = unmarshall_u_int32(etypePtr, buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
elenPtr = &(event->event_value_len);
if ((n = unmarshall_u_int32(elenPtr, buf + c, buflen - c)) < 0)
{
CEREBRO_DBG(("unmarshall_u_int32"));
handle->errnum = CEREBRO_ERR_INTERNAL;
return -1;
}
c += n;
if (c != CEREBRO_EVENT_HEADER_LEN)
{
handle->errnum = CEREBRO_ERR_PROTOCOL;
return -1;
}
return 0;
}