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clixon/datastore/datastore_client.c

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/*
*
***** BEGIN LICENSE BLOCK *****
Copyright (C) 2009-2017 Olof Hagsand and Benny Holmgren
This file is part of CLIXON.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 3 or later (the "GPL"),
in which case the provisions of the GPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of the GPL, and not to allow others to
use your version of this file under the terms of Apache License version 2,
indicate your decision by deleting the provisions above and replace them with
the notice and other provisions required by the GPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the Apache License version 2 or the GPL.
***** END LICENSE BLOCK *****
* Examples:
./datastore_client -d candidate -b /usr/local/var/routing -p /home/olof/src/clixon/datastore/keyvalue/keyvalue.so -y /usr/local/share/routing/yang -m ietf-ip get /
sudo ./datastore_client -d candidate -b /usr/local/var/routing -p /home/olof/src/clixon/datastore/keyvalue/keyvalue.so -y /usr/local/share/routing/yang -m ietf-ip put merge /interfaces/interface=eth66 '<config>eth66</config>'
sudo ./datastore_client -d candidate -b /usr/local/var/routing -p /home/olof/src/clixon/datastore/keyvalue/keyvalue.so -y /usr/local/share/routing/yang -m ietf-ip put merge / '<config><interfaces><interface><name>eth0</name><enabled>true</enabled></interface></interfaces></config>'
*/
#ifdef HAVE_CONFIG_H
#include "clixon_config.h" /* generated by config & autoconf */
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include <time.h>
#include <syslog.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netinet/in.h>
/* cligen */
#include <cligen/cligen.h>
/* clicon */
#include <clixon/clixon.h>
/* Command line options to be passed to getopt(3) */
#define DATASTORE_OPTS "hDd:p:b:y:m:"
/*! usage
*/
static void
usage(char *argv0)
{
fprintf(stderr, "usage:%s <options>* [<command>]\n"
"where options are\n"
"\t-h\t\tHelp\n"
"\t-D\t\tDebug\n"
"\t-d <db>\t\tDatabase name. Default: running. Alt: candidate,startup\n"
"\t-b <dir>\tDatabase directory. Mandatory\n"
"\t-p <plugin>\tDatastore plugin. Mandatory\n"
"\t-y <dir>\tYang directory (where modules are stored). Mandatory\n"
"\t-m <module>\tYang module. Mandatory\n"
"and command is either:\n"
"\tget <xpath>\n"
"\tput (merge|replace|create|delete|remove) <xml>\n"
"\tcopy <todb>\n"
"\tlock <pid>\n"
"\tunlock\n"
"\tunlock_all <pid>\n"
"\tislocked\n"
"\texists\n"
"\tdelete\n"
"\tinit\n"
,
argv0
);
exit(0);
}
int
main(int argc, char **argv)
{
char c;
clicon_handle h;
char *argv0;
char *db = "running";
char *plugin = NULL;
char *cmd = NULL;
yang_spec *yspec = NULL;
char *yangdir = NULL;
char *yangmodule = NULL;
char *dbdir = NULL;
int ret;
int pid;
enum operation_type op;
cxobj *xt = NULL;
/* In the startup, logs to stderr & debug flag set later */
clicon_log_init(__PROGRAM__, LOG_INFO, CLICON_LOG_STDERR);
argv0 = argv[0];
/* Defaults */
if ((h = clicon_handle_init()) == NULL)
goto done;
/* getopt in two steps, first find config-file before over-riding options. */
while ((c = getopt(argc, argv, DATASTORE_OPTS)) != -1)
switch (c) {
case '?' :
case 'h' : /* help */
usage(argv0);
break;
case 'D' : /* debug */
debug = 1;
break;
case 'd': /* db symbolic: running|candidate|startup */
if (!optarg)
usage(argv0);
db = optarg;
break;
case 'p': /* datastore plugin */
if (!optarg)
usage(argv0);
plugin = optarg;
break;
case 'b': /* db directory */
if (!optarg)
usage(argv0);
dbdir = optarg;
break;
case 'y': /* Yang directory */
if (!optarg)
usage(argv0);
yangdir = optarg;
break;
case 'm': /* Yang module */
if (!optarg)
usage(argv0);
yangmodule = optarg;
break;
}
/*
* Logs, error and debug to stderr, set debug level
*/
clicon_log_init(__PROGRAM__, debug?LOG_DEBUG:LOG_INFO, CLICON_LOG_STDERR);
clicon_debug_init(debug, NULL);
argc -= optind;
argv += optind;
if (argc < 1)
usage(argv0);
cmd = argv[0];
if (plugin == NULL){
clicon_err(OE_DB, 0, "Missing plugin -p option");
goto done;
}
if (dbdir == NULL){
clicon_err(OE_DB, 0, "Missing dbdir -b option");
goto done;
}
if (yangdir == NULL){
clicon_err(OE_YANG, 0, "Missing yangdir -y option");
goto done;
}
if (yangmodule == NULL){
clicon_err(OE_YANG, 0, "Missing yang module -m option");
goto done;
}
/* Load datastore plugin */
if (xmldb_plugin_load(h, plugin) < 0)
goto done;
/* Connect to plugin to get a handle */
if (xmldb_connect(h) < 0)
goto done;
/* Create yang spec */
if ((yspec = yspec_new()) == NULL)
goto done;
/* Parse yang spec from given file */
if (yang_parse(h, yangdir, yangmodule, NULL, yspec) < 0)
goto done;
/* Set database directory option */
if (xmldb_setopt(h, "dbdir", dbdir) < 0)
goto done;
/* Set yang spec option */
if (xmldb_setopt(h, "yangspec", yspec) < 0)
goto done;
if (strcmp(cmd, "get")==0){
if (argc != 1 && argc != 2)
usage(argv0);
if (xmldb_get(h, db, argc==2?argv[1]:"/", &xt) < 0)
goto done;
clicon_xml2file(stdout, xt, 0, 0);
fprintf(stdout, "\n");
}
else if (strcmp(cmd, "put")==0){
if (argc != 3){
clicon_err(OE_DB, 0, "Unexpected nr of args: %d", argc);
usage(argv0);
}
if (xml_operation(argv[1], &op) < 0){
clicon_err(OE_DB, 0, "Unrecognized operation: %s", argv[1]);
usage(argv0);
}
if (clicon_xml_parse_str(argv[2], &xt) < 0)
goto done;
if (xml_rootchild(xt, 0, &xt) < 0)
goto done;
if (xmldb_put(h, db, op, xt) < 0)
goto done;
}
else if (strcmp(cmd, "copy")==0){
if (argc != 2)
usage(argv0);
if (xmldb_copy(h, db, argv[1]) < 0)
goto done;
}
else if (strcmp(cmd, "lock")==0){
if (argc != 2)
usage(argv0);
pid = atoi(argv[1]);
if (xmldb_lock(h, db, pid) < 0)
goto done;
}
else if (strcmp(cmd, "unlock")==0){
if (argc != 1)
usage(argv0);
if (xmldb_unlock(h, db) < 0)
goto done;
}
else if (strcmp(cmd, "unlock_all")==0){
if (argc != 2)
usage(argv0);
pid = atoi(argv[1]);
if (xmldb_unlock_all(h, pid) < 0)
goto done;
}
else if (strcmp(cmd, "islocked")==0){
if (argc != 1)
usage(argv0);
if ((ret = xmldb_islocked(h, db)) < 0)
goto done;
fprintf(stdout, "islocked: %d\n", ret);
}
else if (strcmp(cmd, "exists")==0){
if (argc != 1)
usage(argv0);
if ((ret = xmldb_exists(h, db)) < 0)
goto done;
fprintf(stdout, "exists: %d\n", ret);
}
else if (strcmp(cmd, "delete")==0){
if (argc != 1)
usage(argv0);
if (xmldb_delete(h, db) < 0)
goto done;
}
else if (strcmp(cmd, "init")==0){
if (argc != 1)
usage(argv0);
if (xmldb_create(h, db) < 0)
goto done;
}
else{
clicon_err(OE_DB, 0, "Unrecognized command: %s", cmd);
usage(argv0);
}
if (xmldb_disconnect(h) < 0)
goto done;
if (xmldb_plugin_unload(h) < 0)
goto done;
done:
if (xt)
xml_free(xt);
if (h)
clicon_handle_exit(h);
if (yspec)
yspec_free(yspec);
return 0;
}
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