nfs: initial import.

[ccan] / ccan / nfs / init.c

diff --git a/ccan/nfs/init.c b/ccan/nfs/init.c
new file mode 100644 (file)
index 0000000..ae0c787
--- /dev/null
+++ b/ccan/nfs/init.c
@@ -0,0 +1,143 @@
+/* 
+   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/>.
+*/
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <string.h>
+#include <strings.h>
+#include <rpc/xdr.h>
+#include "dlinklist.h"
+#include "libnfs.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);
+}
+
+