static void
stonith_peer_hb_callback(HA_Message * msg, void* private_data)
{
xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__);
stonith_peer_callback(xml, private_data);
free_xml(xml);
}
void
cib_ha_peer_callback(HA_Message * msg, void *private_data)
{
xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__);
cib_peer_callback(xml, private_data);
free_xml(xml);
}
xmlNode *xmlfromIPC(IPC_Channel *ch, int timeout)
{
xmlNode *xml = NULL;
HA_Message *msg = NULL;
#if HAVE_MSGFROMIPC_TIMEOUT
int ipc_rc = IPC_OK;
msg = msgfromIPC_timeout(ch, MSG_ALLOWINTR, timeout, &ipc_rc);
if(ipc_rc == IPC_TIMEOUT) {
crm_warn("No message received in the required interval (%ds)", timeout);
return NULL;
} else if(ipc_rc == IPC_BROKEN) {
crm_debug("Peer disconnected");
return NULL;
} else if(ipc_rc != IPC_OK) {
crm_err("msgfromIPC_timeout failed: rc=%d", ipc_rc);
return NULL;
} else if(msg == NULL) {
crm_err("Empty reply from msgfromIPC_timeout");
return NULL;
}
#else
static gboolean do_show_error = TRUE;
if(timeout && do_show_error) {
crm_err("Timeouts are not supported by the current heartbeat libraries");
do_show_error = FALSE;
}
msg = msgfromIPC_noauth(ch);
if(msg == NULL) {
crm_debug("Empty reply from msgfromIPC_noauth");
return NULL;
}
#endif
xml = convert_ha_message(NULL, msg, __FUNCTION__);
CRM_CHECK(xml != NULL, crm_err("Invalid ipc message"));
crm_msg_del(msg);
return xml;
}
static void
convert_ha_field(xmlNode * parent, void *msg_v, int lpc)
{
int type = 0;
const char *name = NULL;
const char *value = NULL;
xmlNode *xml = NULL;
HA_Message *msg = msg_v;
int rc = BZ_OK;
size_t orig_len = 0;
unsigned int used = 0;
char *uncompressed = NULL;
char *compressed = NULL;
int size = orig_len * 10;
CRM_CHECK(parent != NULL, return);
CRM_CHECK(msg != NULL, return);
name = msg->names[lpc];
type = cl_get_type(msg, name);
switch (type) {
case FT_STRUCT:
convert_ha_message(parent, msg->values[lpc], name);
break;
case FT_COMPRESS:
case FT_UNCOMPRESS:
convert_ha_message(parent, cl_get_struct(msg, name), name);
break;
case FT_STRING:
value = msg->values[lpc];
CRM_CHECK(value != NULL, return);
crm_trace("Converting %s/%d/%s", name, type, value[0] == '<' ? "xml" : "field");
if (value[0] != '<') {
crm_xml_add(parent, name, value);
break;
}
/* unpack xml string */
xml = string2xml(value);
if (xml == NULL) {
crm_err("Conversion of field '%s' failed", name);
return;
}
add_node_nocopy(parent, NULL, xml);
break;
case FT_BINARY:
value = cl_get_binary(msg, name, &orig_len);
size = orig_len * 10 + 1; /* +1 because an exact 10x compression factor happens occasionally */
if (orig_len < 3 || value[0] != 'B' || value[1] != 'Z' || value[2] != 'h') {
if (strstr(name, "uuid") == NULL) {
crm_err("Skipping non-bzip binary field: %s", name);
}
return;
}
compressed = calloc(1, orig_len);
memcpy(compressed, value, orig_len);
crm_trace("Trying to decompress %d bytes", (int)orig_len);
retry:
uncompressed = realloc_safe(uncompressed, size);
memset(uncompressed, 0, size);
used = size - 1; /* always leave room for a trailing '\0'
* BZ2_bzBuffToBuffDecompress won't say anything if
* the uncompressed data is exactly 'size' bytes
*/
rc = BZ2_bzBuffToBuffDecompress(uncompressed, &used, compressed, orig_len, 1, 0);
if (rc == BZ_OUTBUFF_FULL) {
size = size * 2;
/* don't try to allocate more memory than we have */
if (size > 0) {
goto retry;
}
}
if (rc != BZ_OK) {
crm_err("Decompression of %s (%d bytes) into %d failed: %d",
name, (int)orig_len, size, rc);
} else if (used >= size) {
CRM_ASSERT(used < size);
} else {
CRM_LOG_ASSERT(uncompressed[used] == 0);
uncompressed[used] = 0;
xml = string2xml(uncompressed);
}
if (xml != NULL) {
add_node_copy(parent, xml);
free_xml(xml);
}
free(uncompressed);
free(compressed);
break;
}
}