/*
* Get all the servers --> VAR_allServers
*/
static void
addServer(char **name)
{
int ii, jj;
int flag;
confirm_var(VAR_allServers);
for (ii = 0; name[ii]; ii++)
{
flag = TRUE;
for (jj = 0; aval(VAR_allServers)[jj]; jj++)
{
if (strcmp(name[ii], aval(VAR_allServers)[jj]) != 0)
continue;
else
{
flag = FALSE;
break;
}
}
if (flag)
add_val(find_var(VAR_allServers), name[ii]);
}
}
/*
* Parse line and filter only pre-defined variables.
*
* This blocks any unknow variables to be build within pgxc_ctl structure.
*/
static void
parse_line_select(char *line, char *selectThis[])
{
char *varname;
char *val;
pgxc_ctl_var *newv;
int ii;
line = get_word(line, &varname);
if (!varname || varname[0] == '#')
return;
for (ii = 0; selectThis[ii]; ii++)
{
if (strcmp(varname, selectThis[ii]) == 0)
{
if (!(newv = confirm_var(varname)))
return;
while((line = get_word(line, &val)))
{
if (val)
add_val(newv, val);
}
}
}
}
/*
* If pad is NULL, then "none" will be padded.
* Returns *val if success, NULL if failed
*/
void assign_arrayEl(char *name, int idx, char *val, char *pad)
{
pgxc_ctl_var *var = confirm_var(name);
if (pad == NULL)
pad = "none";
/*
* Pad if needed
*/
extendVar(name, idx+1, pad);
Free(var->val[idx]);
var->val[idx] = Strdup(val);
}
static void checkConfiguredAndSize(char *names[], char *msg)
{
int ii;
int sz0;
for (ii = 0; names[ii]; ii++)
{
checkIfVarIsConfigured(names[ii]);
confirm_var(names[ii]);
}
sz0 = arraySizeName(names[0]);
for (ii = 1; names[ii]; ii++)
{
if (arraySizeName(names[ii]) != sz0)
{
anyConfigErrors = TRUE;
elog(ERROR, "ERROR: Number of elements in %s definitions are different %s and %s. Check your configuration\n", msg, names[0], names[ii]);
}
}
}
/*
* Parse line and create/update a variable.
*/
static void parse_line(char *line)
{
char *varname;
char *val;
pgxc_ctl_var *newv;
line = get_word(line, &varname);
if (!varname)
return;
if (!(newv = confirm_var(varname)))
return;
reset_value(newv);
while((line = get_word(line, &val)))
{
if (val)
{
add_val(newv, val);
}
}
}
/*
* Scans initial configuration and set up "not configured" things.
*
* If, for example, gtm proxy is not configured,
* we set gtmProxy variable to "n".
*
* When gtmProxy varieble is already set to "n", remove gtm_proxy
* configuration information.
*
* Similar handling will be done for gtm slave, coordinator slaves
* and datanode slaves.
*/
void handle_no_slaves()
{
int is_empty;
int ii;
/* GTM Slave */
if (!find_var(VAR_gtmSlave))
reset_var_val(VAR_gtmSlave, "n");
if (!isVarYes(VAR_gtmSlave))
emptyGtmSlave();
else
{
confirm_var(VAR_gtmSlaveServer);
if (!sval(VAR_gtmSlaveServer) || is_none(sval(VAR_gtmSlaveServer)))
{
emptyGtmSlave();
reset_var_val(VAR_gtmSlaveServer, "n");
}
}
/* GTM Proxy */
if (!find_var(VAR_gtmProxy))
reset_var_val(VAR_gtmProxy, "n");
if (!isVarYes(VAR_gtmProxy))
emptyGtmProxies();
else
{
is_empty = TRUE;
for (ii = 0; aval(VAR_gtmProxyServers)[ii]; ii++)
{
if (is_none(aval(VAR_gtmProxyServers)[ii]))
continue;
else
{
is_empty = FALSE;
break;
}
}
if (is_empty)
{
reset_var_val(VAR_gtmProxy, "n");
emptyGtmProxies();
}
}
/* Coordinator Slaves */
if (!find_var(VAR_coordSlave))
reset_var_val(VAR_coordSlave, "n");
if (!isVarYes(VAR_coordSlave))
emptyCoordSlaves();
else
{
is_empty = TRUE;
if (find_var(VAR_coordSlaveServers))
{
for (ii = 0; aval(VAR_coordSlaveServers)[ii]; ii++)
{
if (is_none(aval(VAR_coordSlaveServers)[ii]))
continue;
else
{
is_empty = FALSE;
break;
}
}
if (is_empty)
{
reset_var_val(VAR_coordSlave, "n");
emptyCoordSlaves();
}
}
else
{
elog(WARNING, "WARNING: coordSlaveServers variable not found where coordSlave is set to \"y\"\n");
reset_var_val(VAR_coordSlave, "n");
emptyCoordSlaves();
}
}
/* Datanode Slaves */
if (!find_var(VAR_datanodeSlave))
reset_var_val(VAR_datanodeSlave, "n");
if (!isVarYes(VAR_datanodeSlave))
emptyDatanodeSlaves();
else
{
is_empty = TRUE;
if (find_var(VAR_datanodeSlaveServers))
{
for (ii = 0; aval(VAR_datanodeSlaveServers)[ii]; ii++)
{
if (is_none(aval(VAR_datanodeSlaveServers)[ii]))
continue;
else
{
is_empty = FALSE;
break;
}
}
if (is_empty)
{
reset_var_val(VAR_datanodeSlave, "n");
emptyDatanodeSlaves();
}
}
else
{
elog(WARNING, "WARNING: datanodeSlaveServers variable not found where datanodeSlave is set to \"y\"\n");
reset_var_val(VAR_datanodeSlave, "n");
emptyDatanodeSlaves();
}
}
}
void reset_var(char *name)
{
confirm_var(name);
reset_value(find_var(name));
}