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/*
Tests support for CTDB IP allocation
Copyright (C) Martin Schwenke 2011
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "system/network.h"
#include <talloc.h>
#include "lib/util/debug.h"
#include "protocol/protocol.h"
#include "protocol/protocol_util.h"
#include "common/logging.h"
#include "ipalloc_read_known_ips.h"
static bool add_ip(TALLOC_CTX *mem_ctx,
struct ctdb_public_ip_list *l,
ctdb_sock_addr *addr,
uint32_t pnn)
{
l->ip = talloc_realloc(mem_ctx, l->ip,
struct ctdb_public_ip, l->num + 1);
if (l->ip == NULL) {
D_ERR(__location__ " out of memory\n");
return false;
}
l->ip[l->num].addr = *addr;
l->ip[l->num].pnn = pnn;
l->num++;
return true;
}
/* Format of each line is "IP CURRENT_PNN [ALLOWED_PNN,...]".
* If multi is true then ALLOWED_PNNs are not allowed. */
static bool read_ctdb_public_ip_info_node(bool multi,
int numnodes,
struct ctdb_public_ip_list **k,
struct ctdb_public_ip_list *known)
{
char line[1024];
ctdb_sock_addr addr;
char *t, *tok;
int pnn, n;
/* Known public IPs */
*k = talloc_zero(known, struct ctdb_public_ip_list);
if (*k == NULL) {
goto fail;
}
while (fgets(line, sizeof(line), stdin) != NULL) {
int ret;
/* Get rid of pesky newline */
if ((t = strchr(line, '\n')) != NULL) {
*t = '\0';
}
/* Exit on an empty line */
if (line[0] == '\0') {
break;
}
/* Get the IP address */
tok = strtok(line, " \t");
if (tok == NULL) {
D_WARNING("WARNING, bad line ignored :%s\n", line);
continue;
}
ret = ctdb_sock_addr_from_string(tok, &addr, false);
if (ret != 0) {
D_ERR("ERROR, bad address :%s\n", tok);
continue;
}
/* Get the PNN */
pnn = -1;
tok = strtok(NULL, " \t");
if (tok != NULL) {
pnn = (int) strtol(tok, (char **) NULL, 10);
}
if (! add_ip(*k, *k, &addr, pnn)) {
goto fail;
}
tok = strtok(NULL, " \t#");
if (tok == NULL) {
if (! multi) {
for (n = 0; n < numnodes; n++) {
if (! add_ip(known, &known[n],
&addr, pnn)) {
goto fail;
}
}
}
continue;
}
/* Handle allowed nodes for addr */
if (multi) {
D_ERR("ERROR, bad token\n");
goto fail;
}
t = strtok(tok, ",");
while (t != NULL) {
n = (int) strtol(t, (char **) NULL, 10);
if (! add_ip(known, &known[n], &addr, pnn)) {
goto fail;
}
t = strtok(NULL, ",");
}
}
return true;
fail:
TALLOC_FREE(*k);
return false;
}
struct ctdb_public_ip_list * ipalloc_read_known_ips(TALLOC_CTX *ctx,
int numnodes,
bool multi)
{
int n;
struct ctdb_public_ip_list *k;
struct ctdb_public_ip_list *known;
known = talloc_zero_array(ctx, struct ctdb_public_ip_list,
numnodes);
if (known == NULL) {
D_ERR(__location__ " out of memory\n");
goto fail;
}
if (multi) {
for (n = 0; n < numnodes; n++) {
if (! read_ctdb_public_ip_info_node(multi, numnodes,
&k, known)) {
goto fail;
}
known[n] = *k;
}
} else {
if (! read_ctdb_public_ip_info_node(multi, numnodes,
&k, known)) {
goto fail;
}
}
return known;
fail:
talloc_free(known);
return NULL;
}
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