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/*
Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2010
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 "config.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <strings.h>
#include <rpc/xdr.h>
#include "dlinklist.h"
#include "nfs.h"
#include "libnfs-raw.h"
#include "libnfs-private.h"
struct rpc_context *rpc_init_context(void)
{
struct rpc_context *rpc;
rpc = malloc(sizeof(struct rpc_context));
if (rpc == NULL) {
printf("Failed to allocate rpc context\n");
return NULL;
}
bzero(rpc, sizeof(struct rpc_context));
rpc->encodebuflen = 65536;
rpc->encodebuf = malloc(rpc->encodebuflen);
if (rpc->encodebuf == NULL) {
printf("Failed to allocate a buffer for rpc encoding\n");
free(rpc);
return NULL;
}
rpc->auth = authunix_create_default();
if (rpc->auth == NULL) {
printf("failed to create authunix\n");
free(rpc->encodebuf);
free(rpc);
return NULL;
}
rpc->xid = 1;
rpc->fd = -1;
return rpc;
}
void rpc_set_auth(struct rpc_context *rpc, struct AUTH *auth)
{
if (rpc->auth != NULL) {
auth_destroy(rpc->auth);
}
rpc->auth = auth;
}
void rpc_set_error(struct rpc_context *rpc, char *error_string, ...)
{
va_list ap;
char *str;
if (rpc->error_string != NULL) {
free(rpc->error_string);
}
va_start(ap, error_string);
vasprintf(&str, error_string, ap);
rpc->error_string = str;
va_end(ap);
}
char *rpc_get_error(struct rpc_context *rpc)
{
return rpc->error_string;
}
void rpc_error_all_pdus(struct rpc_context *rpc, char *error)
{
struct rpc_pdu *pdu;
while((pdu = rpc->outqueue) != NULL) {
pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data);
DLIST_REMOVE(rpc->outqueue, pdu);
rpc_free_pdu(rpc, pdu);
}
while((pdu = rpc->waitpdu) != NULL) {
pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data);
DLIST_REMOVE(rpc->waitpdu, pdu);
rpc_free_pdu(rpc, pdu);
}
}
void rpc_destroy_context(struct rpc_context *rpc)
{
struct rpc_pdu *pdu;
while((pdu = rpc->outqueue) != NULL) {
pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data);
DLIST_REMOVE(rpc->outqueue, pdu);
rpc_free_pdu(rpc, pdu);
}
while((pdu = rpc->waitpdu) != NULL) {
pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data);
DLIST_REMOVE(rpc->waitpdu, pdu);
rpc_free_pdu(rpc, pdu);
}
auth_destroy(rpc->auth);
rpc->auth =NULL;
if (rpc->fd != -1) {
close(rpc->fd);
}
if (rpc->encodebuf != NULL) {
free(rpc->encodebuf);
rpc->encodebuf = NULL;
}
if (rpc->error_string != NULL) {
free(rpc->error_string);
rpc->error_string = NULL;
}
free(rpc);
}
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