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Added connect/disconnect/getopt/setopt and handle to xmldb API; Added datastore 'text'; Moved apps/dbctrl to datastore/

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This commit is contained in:
Olof hagsand 2017-04-15 13:53:58 +02:00
parent 85af4342dc
commit d26a801bc0
25 changed files with 1501 additions and 912 deletions
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51
datastore/Makefile.in
View file

@ -31,8 +31,18 @@
# ***** END LICENSE BLOCK *****
#
VPATH = @srcdir@
prefix = @prefix@
datarootdir = @datarootdir@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
exec_prefix = @exec_prefix@
bindir = @bindir@
libdir = @libdir@
dbdir = @prefix@/db
mandir = @mandir@
libexecdir = @libexecdir@
localstatedir = @localstatedir@
sysconfdir = @sysconfdir@
CC = @CC@
CFLAGS = @CFLAGS@
LDFLAGS = @LDFLAGS@
@ -40,7 +50,22 @@ LIBS = @LIBS@
with_restconf = @with_restconf@
with_keyvalue = @with_keyvalue@
SHELL = /bin/sh
SH_SUFFIX = @SH_SUFFIX@
CLIXON_MAJOR = @CLIXON_VERSION_MAJOR@
CLIXON_MINOR = @CLIXON_VERSION_MINOR@
# Use this clixon lib for linking
CLIXON_LIB = libclixon.so.$(CLIXON_MAJOR).$(CLIXON_MINOR)
# For dependency
LIBDEPS = $(top_srcdir)/lib/src/$(CLIXON_LIB)
LIBS = -L$(top_srcdir)/lib/src @LIBS@ -l:$(CLIXON_LIB)
CPPFLAGS = @CPPFLAGS@
INCLUDES = -I. -I$(top_srcdir)/lib/src -I$(top_srcdir)/lib -I$(top_srcdir)/include -I$(top_srcdir) @INCLUDES@
SUBDIRS = text
ifeq ($(with_keyvalue),yes)
@ -49,7 +74,23 @@ endif
.PHONY: all clean depend install $(SUBDIRS)
all: $(SUBDIRS)
APPSRC = datastore_client.c
APPOBJ = $(APPSRC:.c=.o)
APPL = datastore_client
all: $(SUBDIRS) $(APPL)
-include $(DESTDIR)$(datarootdir)/clixon/clixon.mk
.SUFFIXES:
.SUFFIXES: .c .o
.c.o:
$(CC) $(INCLUDES) -D__PROGRAM__=\"$(APPL)\" $(CPPFLAGS) $(CFLAGS) -c $<
$(APPL) : $(APPOBJ) $(LIBDEPS)
$(CC) $(LDFLAGS) $(APPOBJ) $(LIBS) -o $@
depend:
for i in $(SUBDIRS); \
@ -62,15 +103,19 @@ install-include:
for i in $(SUBDIRS); \
do (cd $$i ; $(MAKE) $(MFLAGS) $@); done;
install:
install: $(APPL)
install -d $(DESTDIR)$(bindir)
install $(APPL) $(DESTDIR)$(bindir)
for i in $(SUBDIRS); \
do (cd $$i; $(MAKE) $(MFLAGS) $@); done
uninstall:
rm -f $(bindir)/$(APPL)
for i in $(SUBDIRS); \
do (cd $$i; $(MAKE) $(MFLAGS) $@); done
clean:
rm -f *.core $(APPL) $(APPOBJ)
for i in $(SUBDIRS); \
do (cd $$i; $(MAKE) $(MFLAGS) $@); done

275
datastore/datastore_client.c Normal file
View file

@ -0,0 +1,275 @@
/*
*
***** 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 *****
*/
#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 (set|merge|delete) <api_path> \tXML on stdin\n"
"\tcopy <fromdb> <todb>\n"
"\tlock <pid>\n"
"\tunlock <pid>\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;
cxobj *xn;
/* 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 < 2)
usage(argv0);
if (xmldb_get(h, db, argv[1], &xt, NULL, 0) < 0)
goto done;
clicon_xml2file(stdout, xt, 0, 1);
}
else if (strcmp(cmd, "put")==0){
if (argc < 3)
usage(argv0);
if (xml_operation(argv[1], &op) < 0)
usage(argv0);
if (clicon_xml_parse_file(0, &xt, "</clicon>") < 0)
goto done;
if (xml_rootchild(xt, 0, &xn) < 0)
goto done;
if (xmldb_put(h, db, op, argv[2], xn) < 0)
goto done;
if (xt)
xml_free(xt);
}
else if (strcmp(cmd, "copy")==0){
if (argc < 3)
usage(argv0);
if (xmldb_copy(h, argv[1], argv[2]) < 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 < 2)
usage(argv0);
pid = atoi(argv[1]);
if (xmldb_unlock(h, db, pid) < 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 ((ret = xmldb_islocked(h, db)) < 0)
goto done;
fprintf(stdout, "islocked: %d\n", ret);
}
else if (strcmp(cmd, "exists")==0){
if ((ret = xmldb_exists(h, db)) < 0)
goto done;
fprintf(stdout, "exists: %d\n", ret);
}
else if (strcmp(cmd, "delete")==0){
if (xmldb_delete(h, db) < 0)
goto done;
}
else if (strcmp(cmd, "init")==0){
if (xmldb_init(h, db) < 0)
goto done;
}
done:
return 0;
}

1
datastore/keyvalue/Makefile.in
View file

@ -30,6 +30,7 @@
#
# ***** END LICENSE BLOCK *****
#
VPATH = @srcdir@
prefix = @prefix@
datarootdir = @datarootdir@
srcdir = @srcdir@

572
datastore/keyvalue/clixon_keyvalue.c
View file

@ -81,6 +81,10 @@
* - restconf
* - expand_dbvar
* - show_conf_xpath
*
* dependency on clixon handle:
* clixon_xmldb_dir()
* clicon_dbspec_yang(h)
*/
#ifdef HAVE_CONFIG_H
@ -111,6 +115,31 @@
#include "clixon_qdb.h"
#include "clixon_keyvalue.h"
#define handle(xh) (assert(kv_handle_check(xh)==0),(struct kv_handle *)(xh))
/* Magic to ensure plugin sanity. */
#define KV_HANDLE_MAGIC 0xfa61a402
/*! Internal structure of keyvalue datastore handle.
*/
struct kv_handle {
int kh_magic; /* magic */
char *kh_dbdir; /* Directory of database files */
yang_spec *kh_yangspec; /* Yang spec if this datastore */
};
/*! Check struct magic number for sanity checks
* return 0 if OK, -1 if fail.
*/
static int
kv_handle_check(xmldb_handle xh)
{
/* Dont use handle macro to avoid recursion */
struct kv_handle *kh = (struct kv_handle *)(xh);
return kh->kh_magic == KV_HANDLE_MAGIC ? 0 : -1;
}
/*! Database locking for candidate and running non-persistent
* Store an integer for running and candidate containing
* the session-id of the client holding the lock.
@ -120,7 +149,7 @@ static int _candidate_locked = 0;
static int _startup_locked = 0;
/*! Translate from symbolic database name to actual filename in file-system
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Symbolic database name, eg "candidate", "running"
* @param[out] filename Filename. Unallocate after use with free()
* @retval 0 OK
@ -131,9 +160,9 @@ static int _startup_locked = 0;
* The filename reside in CLICON_XMLDB_DIR option
*/
static int
db2file(clicon_handle h,
char *db,
char **filename)
db2file(struct kv_handle *kh,
char *db,
char **filename)
{
int retval = -1;
cbuf *cb;
@ -143,8 +172,8 @@ db2file(clicon_handle h,
clicon_err(OE_XML, errno, "cbuf_new");
goto done;
}
if ((dir = clicon_xmldb_dir(h)) == NULL){
clicon_err(OE_XML, errno, "CLICON_XMLDB_DIR not set");
if ((dir = kh->kh_dbdir) == NULL){
clicon_err(OE_XML, errno, "dbdir not set");
goto done;
}
if (strcmp(db, "running") != 0 &&
@ -244,49 +273,6 @@ create_keyvalues(cxobj *x,
return retval;
}
/*! Prune everything that has not been marked
* @param[in] xt XML tree with some node marked
* @param[out] upmark Set if a child (recursively) has marked set.
* The function removes all branches that does not contain a marked child
* XXX: maybe key leafs should not be purged if list is not purged?
* XXX: consider move to clicon_xml
*/
static int
xml_tree_prune_unmarked(cxobj *xt,
int *upmark)
{
int retval = -1;
int submark;
int mark;
cxobj *x;
cxobj *xprev;
mark = 0;
x = NULL;
xprev = x = NULL;
while ((x = xml_child_each(xt, x, CX_ELMNT)) != NULL) {
if (xml_flag(x, XML_FLAG_MARK)){
mark++;
xprev = x;
continue; /* mark and stop here */
}
if (xml_tree_prune_unmarked(x, &submark) < 0)
goto done;
if (submark)
mark++;
else{ /* Safe with xml_child_each if last */
if (xml_purge(x) < 0)
goto done;
x = xprev;
}
xprev = x;
}
retval = 0;
done:
if (upmark)
*upmark = mark;
return retval;
}
/*!
* @param[in] xk xmlkey
@ -476,135 +462,116 @@ get(char *dbname,
return retval;
}
/*! Sanitize an xml tree: xml node has matching yang_stmt pointer
/*! Connect to a datastore plugin
* @retval handle Use this handle for other API calls
* @retval NULL Error
* @note You can do several connects, and have multiple connections to the same
* datastore
*/
static int
xml_sanity(cxobj *x,
void *arg)
xmldb_handle
kv_connect(void)
{
int retval = -1;
yang_stmt *ys;
struct kv_handle *kh;
xmldb_handle xh = NULL;
int size;
ys = (yang_stmt*)xml_spec(x);
if (ys==NULL){
clicon_err(OE_XML, 0, "No spec for xml node %s", xml_name(x));
size = sizeof(struct kv_handle);
if ((kh = malloc(size)) == NULL){
clicon_err(OE_UNIX, errno, "malloc");
goto done;
}
if (strstr(ys->ys_argument, xml_name(x))==NULL){
clicon_err(OE_XML, 0, "xml node name '%s' does not match yang spec arg '%s'",
xml_name(x), ys->ys_argument);
goto done;
}
retval = 0;
done:
return retval;
memset(kh, 0, size);
kh->kh_magic = KV_HANDLE_MAGIC;
xh = (xmldb_handle)kh;
done:
return xh;
}
/*! Add default values (if not set)
*/
static int
xml_default(cxobj *x,
void *arg)
/*! Disconnect from a datastore plugin and deallocate handle
* @param[in] handle Disconect and deallocate from this handle
* @retval 0 OK
*/
int
kv_disconnect(xmldb_handle xh)
{
int retval = -1;
yang_stmt *ys;
yang_stmt *y;
int i;
cxobj *xc;
cxobj *xb;
char *str;
int retval = -1;
struct kv_handle *kh = handle(xh);
ys = (yang_stmt*)xml_spec(x);
/* Check leaf defaults */
if (ys->ys_keyword == Y_CONTAINER || ys->ys_keyword == Y_LIST){
for (i=0; i<ys->ys_len; i++){
y = ys->ys_stmt[i];
if (y->ys_keyword != Y_LEAF)
continue;
assert(y->ys_cv);
if (!cv_flag(y->ys_cv, V_UNSET)){ /* Default value exists */
if (!xml_find(x, y->ys_argument)){
if ((xc = xml_new_spec(y->ys_argument, x, y)) == NULL)
goto done;
if ((xb = xml_new("body", xc)) == NULL)
goto done;
xml_type_set(xb, CX_BODY);
if ((str = cv2str_dup(y->ys_cv)) == NULL){
clicon_err(OE_UNIX, errno, "cv2str_dup");
goto done;
}
if (xml_value_set(xb, str) < 0)
goto done;
free(str);
}
}
}
}
retval = 0;
done:
return retval;
}
/*! Order XML children according to YANG
*/
static int
xml_order(cxobj *x,
void *arg)
{
int retval = -1;
yang_stmt *y;
yang_stmt *yc;
int i;
int j0;
int j;
cxobj *xc;
cxobj *xj;
char *yname; /* yang child name */
char *xname; /* xml child name */
y = (yang_stmt*)xml_spec(x);
j0 = 0;
/* Go through xml children and ensure they are same order as yspec children */
for (i=0; i<y->ys_len; i++){
yc = y->ys_stmt[i];
if (!yang_is_syntax(yc))
continue;
yname = yc->ys_argument;
/* First go thru xml children with same name */
for (;j0<xml_child_nr(x); j0++){
xc = xml_child_i(x, j0);
if (xml_type(xc) != CX_ELMNT)
continue;
xname = xml_name(xc);
if (strcmp(xname, yname))
break;
}
/* Now we have children not with same name */
for (j=j0; j<xml_child_nr(x); j++){
xc = xml_child_i(x, j);
if (xml_type(xc) != CX_ELMNT)
continue;
xname = xml_name(xc);
if (strcmp(xname, yname))
continue;
/* reorder */
xj = xml_child_i(x, j0);
xml_child_i_set(x, j0, xc);
xml_child_i_set(x, j, xj);
j0++;
}
if (kh){
if (kh->kh_dbdir)
free(kh->kh_dbdir);
free(kh);
}
retval = 0;
// done:
return retval;
}
/*! Get value of generic plugin option. Type of value is givenby context
* @param[in] xh XMLDB handle
* @param[in] optname Option name
* @param[out] value Pointer to Value of option
* @retval 0 OK
* @retval -1 Error
*/
int
kv_getopt(xmldb_handle xh,
char *optname,
void **value)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
if (strcmp(optname, "yangspec") == 0)
*value = kh->kh_yangspec;
else if (strcmp(optname, "dbdir") == 0)
*value = kh->kh_dbdir;
else{
clicon_err(OE_PLUGIN, 0, "Option %s not implemented by plugin", optname);
goto done;
}
retval = 0;
done:
return retval;
}
/*! Set value of generic plugin option. Type of value is givenby context
* @param[in] xh XMLDB handle
* @param[in] optname Option name
* @param[in] value Value of option
* @retval 0 OK
* @retval -1 Error
*/
int
kv_setopt(xmldb_handle xh,
char *optname,
void *value)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
if (strcmp(optname, "yangspec") == 0)
kh->kh_yangspec = (yang_spec*)value;
else if (strcmp(optname, "dbdir") == 0){
if (value && (kh->kh_dbdir = strdup((char*)value)) == NULL){
clicon_err(OE_UNIX, 0, "strdup");
goto done;
}
}
else{
clicon_err(OE_PLUGIN, 0, "Option %s not implemented by plugin", optname);
goto done;
}
retval = 0;
done:
return retval;
}
/*! Get content of database using xpath. return a set of matching sub-trees
* The function returns a minimal tree that includes all sub-trees that match
* xpath.
* @param[in] dbname Name of database to search in (filename including dir path
* @param[in] xpath String with XPATH syntax. or NULL for all
* @param[in] yspec Yang specification
* @param[out] xtop Single XML tree which xvec points to. Free with xml_free()
* @param[out] xvec Vector of xml trees. Free after use.
* @param[out] xlen Length of vector.
@ -614,8 +581,7 @@ xml_order(cxobj *x,
* cxobj *xt;
* cxobj **xvec;
* size_t xlen;
* yang_spec *yspec = clicon_dbspec_yang(h);
* if (xmldb_get("running", "/interfaces/interface[name="eth"]",
* if (xmldb_get(xh, "running", "/interfaces/interface[name="eth"]",
* &xt, &xvec, &xlen) < 0)
* err;
* for (i=0; i<xlen; i++){
@ -630,16 +596,17 @@ xml_order(cxobj *x,
* @see xmldb_get
*/
int
kv_get(clicon_handle h,
char *db,
char *xpath,
cxobj **xtop,
cxobj ***xvec0,
size_t *xlen0)
kv_get(xmldb_handle xh,
char *db,
char *xpath,
cxobj **xtop,
cxobj ***xvec0,
size_t *xlen0)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
yang_spec *yspec;
char *dbname = NULL;
char *dbfile = NULL;
cxobj **xvec = NULL;
size_t xlen;
int i;
@ -647,25 +614,26 @@ kv_get(clicon_handle h,
struct db_pair *pairs;
cxobj *xt = NULL;
clicon_debug(2, "%s", __FUNCTION__);
if (db2file(h, db, &dbname) < 0)
if (db2file(kh, db, &dbfile) < 0)
goto done;
if (dbname==NULL){
clicon_err(OE_XML, 0, "dbname NULL");
if (dbfile==NULL){
clicon_err(OE_XML, 0, "dbfile NULL");
goto done;
}
if ((yspec = clicon_dbspec_yang(h)) == NULL){
if ((yspec = kh->kh_yangspec) == NULL){
clicon_err(OE_YANG, ENOENT, "No yang spec");
goto done;
}
/* Read in complete database (this can be optimized) */
if ((npairs = db_regexp(dbname, "", __FUNCTION__, &pairs, 0)) < 0)
if ((npairs = db_regexp(dbfile, "", __FUNCTION__, &pairs, 0)) < 0)
goto done;
if ((xt = xml_new_spec("clicon", NULL, yspec)) == NULL)
goto done;
/* Translate to complete xml tree */
for (i = 0; i < npairs; i++) {
if (get(dbname,
if (get(dbfile,
yspec,
pairs[i].dp_key, /* xml key */
pairs[i].dp_val, /* may be NULL */
@ -693,7 +661,6 @@ kv_get(clicon_handle h,
*xlen0 = xlen;
xlen = 0;
}
if (xml_apply(xt, CX_ELMNT, xml_default, NULL) < 0)
goto done;
/* XXX does not work for top-level */
@ -706,8 +673,8 @@ kv_get(clicon_handle h,
*xtop = xt;
retval = 0;
done:
if (dbname)
free(dbname);
if (dbfile)
free(dbfile);
if (xvec)
free(xvec);
unchunk_group(__FUNCTION__);
@ -716,7 +683,7 @@ kv_get(clicon_handle h,
}
/*! Add data to database internal recursive function
* @param[in] dbname Name of database to search in (filename incl dir path)
* @param[in] dbfile Name of database to search in (filename incl dir path)
* @param[in] xt xml-node.
* @param[in] ys Yang statement corresponding to xml-node
* @param[in] op OP_MERGE, OP_REPLACE, OP_REMOVE, etc
@ -726,7 +693,7 @@ kv_get(clicon_handle h,
* @note XXX op only supports merge
*/
static int
put(char *dbname,
put(char *dbfile,
cxobj *xt,
yang_stmt *ys,
enum operation_type op,
@ -774,7 +741,7 @@ put(char *dbname,
/* Write to database, key and a vector of variables */
switch (op){
case OP_CREATE:
if ((exists = db_exists(dbname, xk)) < 0)
if ((exists = db_exists(dbfile, xk)) < 0)
goto done;
if (exists == 1){
clicon_err(OE_DB, 0, "OP_CREATE: %s already exists in database", xk);
@ -782,18 +749,18 @@ put(char *dbname,
}
case OP_MERGE:
case OP_REPLACE:
if (db_set(dbname, xk, body?body:NULL, body?strlen(body)+1:0) < 0)
if (db_set(dbfile, xk, body?body:NULL, body?strlen(body)+1:0) < 0)
goto done;
break;
case OP_DELETE:
if ((exists = db_exists(dbname, xk)) < 0)
if ((exists = db_exists(dbfile, xk)) < 0)
goto done;
if (exists == 0){
clicon_err(OE_DB, 0, "OP_DELETE: %s does not exists in database", xk);
goto done;
}
case OP_REMOVE:
if (db_del(dbname, xk) < 0)
if (db_del(dbfile, xk) < 0)
goto done;
break;
case OP_NONE:
@ -805,7 +772,7 @@ put(char *dbname,
clicon_err(OE_UNIX, 0, "No yang node found: %s", xml_name(x));
goto done;
}
if (put(dbname, x, y, op, xk) < 0)
if (put(dbfile, x, y, op, xk) < 0)
goto done;
}
retval = 0;
@ -818,7 +785,7 @@ put(char *dbname,
}
/*! Modify database provided an XML database key and an operation
* @param[in] h CLICON handle
* @param[in] kh Keyvalue handle
* @param[in] db Database name
* @param[in] op OP_MERGE, OP_REPLACE, OP_REMOVE, etc
* @param[in] xk XML Key, eg /aa/bb=17/name
@ -833,7 +800,7 @@ put(char *dbname,
* @see xmldb_put with xml-tree, no path
*/
static int
xmldb_put_xkey(clicon_handle h,
xmldb_put_xkey(struct kv_handle *kh,
char *db,
enum operation_type op,
char *xk,
@ -865,8 +832,11 @@ xmldb_put_xkey(clicon_handle h,
yang_spec *yspec;
char *filename = NULL;
yspec = clicon_dbspec_yang(h);
if (db2file(h, db, &filename) < 0)
if ((yspec = kh->kh_yangspec) == NULL){
clicon_err(OE_YANG, ENOENT, "No yang spec");
goto done;
}
if (db2file(kh, db, &filename) < 0)
goto done;
if (xk == NULL || *xk!='/'){
clicon_err(OE_DB, 0, "Invalid key: %s", xk);
@ -1045,7 +1015,7 @@ xmldb_put_xkey(clicon_handle h,
/*! Modify database provided an xml tree, a restconf api_path and an operation
*
* @param[in] h CLICON handle
* @param[in] kh Keyvalue handle
* @param[in] db running or candidate
* @param[in] op OP_MERGE: just add it.
* OP_REPLACE: first delete whole database
@ -1063,7 +1033,7 @@ xmldb_put_xkey(clicon_handle h,
* @see xmldb_put
*/
static int
xmldb_put_restconf_api_path(clicon_handle h,
xmldb_put_restconf_api_path(struct kv_handle *kh,
char *db,
enum operation_type op,
char *api_path,
@ -1092,8 +1062,11 @@ xmldb_put_restconf_api_path(clicon_handle h,
char *key;
char *keys;
yspec = clicon_dbspec_yang(h);
if (db2file(h, db, &filename) < 0)
if ((yspec = kh->kh_yangspec) == NULL){
clicon_err(OE_YANG, ENOENT, "No yang spec");
goto done;
}
if (db2file(kh, db, &filename) < 0)
goto done;
if (api_path == NULL || *api_path!='/'){
clicon_err(OE_DB, 0, "Invalid api path: %s", api_path);
@ -1260,7 +1233,7 @@ xmldb_put_restconf_api_path(clicon_handle h,
/*! Modify database provided an xml tree and an operation
*
* @param[in] h CLICON handle
* @param[in] xh XMLDB handle
* @param[in] db running or candidate
* @param[in] xt xml-tree. Top-level symbol is dummy
* @param[in] op OP_MERGE: just add it.
@ -1280,22 +1253,26 @@ xmldb_put_restconf_api_path(clicon_handle h,
* @see xmldb_put_xkey for single key
*/
int
kv_put(clicon_handle h,
kv_put(xmldb_handle xh,
char *db,
enum operation_type op,
char *api_path,
cxobj *xt)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
cxobj *x = NULL;
yang_stmt *ys;
yang_spec *yspec;
char *dbfilename = NULL;
if (xml_child_nr(xt)==0 || xml_body(xt)!= NULL)
return xmldb_put_xkey(h, db, op, api_path, xml_body(xt));
yspec = clicon_dbspec_yang(h);
if (db2file(h, db, &dbfilename) < 0)
return xmldb_put_xkey(kh, db, op, api_path, xml_body(xt));
if ((yspec = kh->kh_yangspec) == NULL){
clicon_err(OE_YANG, ENOENT, "No yang spec");
goto done;
}
if (db2file(kh, db, &dbfilename) < 0)
goto done;
if (op == OP_REPLACE){
if (db_delete(dbfilename) < 0)
@ -1305,7 +1282,7 @@ kv_put(clicon_handle h,
}
while ((x = xml_child_each(xt, x, CX_ELMNT)) != NULL){
if (api_path && strlen(api_path)){
if (xmldb_put_restconf_api_path(h, db, op, api_path, x) < 0)
if (xmldb_put_restconf_api_path(kh, db, op, api_path, x) < 0)
goto done;
continue;
}
@ -1328,58 +1305,27 @@ kv_put(clicon_handle h,
return retval;
}
/*! Raw dump of database, just keys and values, no xml interpretation
* @param[in] f File
* @param[in] dbfile File-name of database. This is a local file
* @param[in] rxkey Key regexp, eg "^.*$"
* @note This function can only be called locally.
*/
int
kv_dump(FILE *f,
char *dbfilename,
char *rxkey)
{
int retval = -1;
int npairs;
struct db_pair *pairs;
/* Default is match all */
if (rxkey == NULL)
rxkey = "^.*$";
/* Get all keys/values for vector */
if ((npairs = db_regexp(dbfilename, rxkey, __FUNCTION__, &pairs, 0)) < 0)
goto done;
for (npairs--; npairs >= 0; npairs--)
fprintf(f, "%s %s\n", pairs[npairs].dp_key,
pairs[npairs].dp_val?pairs[npairs].dp_val:"");
retval = 0;
done:
unchunk_group(__FUNCTION__);
return retval;
}
/*! Copy database from db1 to db2
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] from Source database copy
* @param[in] to Destination database
* @retval -1 Error
* @retval 0 OK
*/
int
kv_copy(clicon_handle h,
kv_copy(xmldb_handle xh,
char *from,
char *to)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
char *fromfile = NULL;
char *tofile = NULL;
/* XXX lock */
if (db2file(h, from, &fromfile) < 0)
if (db2file(kh, from, &fromfile) < 0)
goto done;
if (db2file(h, to, &tofile) < 0)
if (db2file(kh, to, &tofile) < 0)
goto done;
if (clicon_file_copy(fromfile, tofile) < 0)
goto done;
@ -1393,17 +1339,19 @@ kv_copy(clicon_handle h,
}
/*! Lock database
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @param[in] pid Process id
* @retval -1 Error
* @retval 0 OK
*/
int
kv_lock(clicon_handle h,
kv_lock(xmldb_handle xh,
char *db,
int pid)
{
// struct kv_handle *kh = handle(xh);
if (strcmp("running", db) == 0)
_running_locked = pid;
else if (strcmp("candidate", db) == 0)
@ -1415,7 +1363,7 @@ kv_lock(clicon_handle h,
}
/*! Unlock database
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @param[in] pid Process id
* @retval -1 Error
@ -1423,10 +1371,12 @@ kv_lock(clicon_handle h,
* Assume all sanity checks have been made
*/
int
kv_unlock(clicon_handle h,
kv_unlock(xmldb_handle xh,
char *db,
int pid)
{
// struct kv_handle *kh = handle(xh);
if (strcmp("running", db) == 0)
_running_locked = 0;
else if (strcmp("candidate", db) == 0)
@ -1437,15 +1387,17 @@ kv_unlock(clicon_handle h,
}
/*! Unlock all databases locked by pid (eg process dies)
* @param[in] h Clicon handle
* @param[in] pid Process / Session id
* @retval -1 Error
* @retval 0 Ok
* @param[in] xh XMLDB handle
* @param[in] pid Process / Session id
* @retval -1 Error
* @retval 0 Ok
*/
int
kv_unlock_all(clicon_handle h,
kv_unlock_all(xmldb_handle xh,
int pid)
{
// struct kv_handle *kh = handle(xh);
if (_running_locked == pid)
_running_locked = 0;
if (_candidate_locked == pid)
@ -1456,16 +1408,18 @@ kv_unlock_all(clicon_handle h,
}
/*! Check if database is locked
* @param[in] h Clicon handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 Not locked
* @retval >0 Id of locker
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 Not locked
* @retval >0 Id of locker
*/
int
kv_islocked(clicon_handle h,
kv_islocked(xmldb_handle xh,
char *db)
{
// struct kv_handle *kh = handle(xh);
if (strcmp("running", db) == 0)
return (_running_locked);
else if (strcmp("candidate", db) == 0)
@ -1476,21 +1430,22 @@ kv_islocked(clicon_handle h,
}
/*! Check if db exists
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 No it does not exist
* @retval 1 Yes it exists
*/
int
kv_exists(clicon_handle h,
kv_exists(xmldb_handle xh,
char *db)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
char *filename = NULL;
struct stat sb;
if (db2file(h, db, &filename) < 0)
if (db2file(kh, db, &filename) < 0)
goto done;
if (lstat(filename, &sb) < 0)
retval = 0;
@ -1503,19 +1458,20 @@ kv_exists(clicon_handle h,
}
/*! Delete database. Remove file
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 OK
*/
int
kv_delete(clicon_handle h,
kv_delete(xmldb_handle xh,
char *db)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
char *filename = NULL;
if (db2file(h, db, &filename) < 0)
if (db2file(kh, db, &filename) < 0)
goto done;
if (db_delete(filename) < 0)
goto done;
@ -1527,19 +1483,20 @@ kv_delete(clicon_handle h,
}
/*! Initialize database
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval 0 OK
* @retval -1 Error
*/
int
kv_init(clicon_handle h,
kv_init(xmldb_handle xh,
char *db)
{
int retval = -1;
struct kv_handle *kh = handle(xh);
char *filename = NULL;
if (db2file(h, db, &filename) < 0)
if (db2file(kh, db, &filename) < 0)
goto done;
if (db_init(filename) < 0)
goto done;
@ -1578,9 +1535,12 @@ static const struct xmldb_api api = {
XMLDB_API_MAGIC,
clixon_xmldb_plugin_init,
kv_plugin_exit,
kv_connect,
kv_disconnect,
kv_getopt,
kv_setopt,
kv_get,
kv_put,
kv_dump,
kv_copy,
kv_lock,
kv_unlock,
@ -1598,80 +1558,46 @@ static const struct xmldb_api api = {
* Usage: clicon_xpath [<xpath>]
* read xml from input
* Example compile:
gcc -g -o xmldb -I. -I../clixon ./clixon_xmldb.c -lclixon -lcligen
gcc -g -o keyvalue -I. -I../../lib ./clixon_keyvalue.c clixon_chunk.c clixon_qdb.c -lclixon -lcligen -lqdbm
*/
static int
usage(char *argv0)
{
fprintf(stderr, "usage:\n%s\tget <db> <yangdir> <yangmod> [<xpath>]\t\txml on stdin\n", argv0);
fprintf(stderr, "\tput <db> <yangdir> <yangmod> set|merge|delete\txml to stdout\n");
exit(0);
}
/*! Raw dump of database, just keys and values, no xml interpretation
* @param[in] f File
* @param[in] dbfile File-name of database. This is a local file
* @param[in] rxkey Key regexp, eg "^.*$"
* @note This function can only be called locally.
*/
int
main(int argc, char **argv)
main(int argc,
char **argv)
{
cxobj *xt;
cxobj *xn;
char *xpath;
enum operation_type op;
char *cmd;
char *db;
char *yangdir;
char *yangmod;
yang_spec *yspec = NULL;
clicon_handle h;
int retval = -1;
int npairs;
struct db_pair *pairs;
char *rxkey = NULL;
char *dbfilename;
if ((h = clicon_handle_init()) == NULL)
goto done;
clicon_log_init("xmldb", LOG_DEBUG, CLICON_LOG_STDERR);
if (argc < 4){
usage(argv[0]);
if (argc != 2 && argc != 3){
fprintf(stderr, "usage: %s <dbfile> [rxkey]\n", argv[0]);
goto done;
}
cmd = argv[1];
db = argv[2];
yangdir = argv[3];
yangmod = argv[4];
db_init(db);
if ((yspec = yspec_new()) == NULL)
goto done
if (yang_parse(h, yangdir, yangmod, NULL, yspec) < 0)
goto done;
if (strcmp(cmd, "get")==0){
if (argc < 5)
usage(argv[0]);
xpath = argc>5?argv[5]:NULL;
if (xmldb_get(h, db, xpath, &xt, NULL, NULL) < 0)
goto done;
clicon_xml2file(stdout, xt, 0, 1);
}
dbfilename = argv[1];
if (argc == 3)
rxkey = argv[2];
else
if (strcmp(cmd, "put")==0){
if (argc != 6)
usage(argv[0]);
if (clicon_xml_parse_file(0, &xt, "</clicon>") < 0)
goto done;
if (xml_rootchild(xt, 0, &xn) < 0)
goto done;
if (strcmp(argv[5], "set") == 0)
op = OP_REPLACE;
else
if (strcmp(argv[4], "merge") == 0)
op = OP_MERGE;
else if (strcmp(argv[5], "delete") == 0)
op = OP_REMOVE;
else
usage(argv[0]);
if (xmldb_put(h, db, op, NULL, xn) < 0)
goto done;
}
else
usage(argv[0]);
printf("\n");
rxkey = "^.*$"; /* Default is match all */
/* Get all keys/values for vector */
if ((npairs = db_regexp(dbfilename, rxkey, __FUNCTION__, &pairs, 0)) < 0)
goto done;
for (npairs--; npairs >= 0; npairs--)
fprintf(stdout, "%s %s\n", pairs[npairs].dp_key,
pairs[npairs].dp_val?pairs[npairs].dp_val:"");
retval = 0;
done:
return 0;
unchunk_group(__FUNCTION__);
return retval;
}
#endif /* Test program */

20
datastore/keyvalue/clixon_keyvalue.h
View file

@ -39,18 +39,18 @@
/*
* Prototypes
*/
int kv_get(clicon_handle h, char *db, char *xpath,
int kv_get(xmldb_handle h, char *db, char *xpath,
cxobj **xtop, cxobj ***xvec, size_t *xlen);
int kv_put(clicon_handle h, char *db, enum operation_type op,
int kv_put(xmldb_handle h, char *db, enum operation_type op,
char *api_path, cxobj *xt);
int kv_dump(FILE *f, char *dbfilename, char *rxkey);
int kv_copy(clicon_handle h, char *from, char *to);
int kv_lock(clicon_handle h, char *db, int pid);
int kv_unlock(clicon_handle h, char *db, int pid);
int kv_unlock_all(clicon_handle h, int pid);
int kv_islocked(clicon_handle h, char *db);
int kv_exists(clicon_handle h, char *db);
int kv_delete(clicon_handle h, char *db);
int kv_init(clicon_handle h, char *db);
int kv_copy(xmldb_handle h, char *from, char *to);
int kv_lock(xmldb_handle h, char *db, int pid);
int kv_unlock(xmldb_handle h, char *db, int pid);
int kv_unlock_all(xmldb_handle h, int pid);
int kv_islocked(xmldb_handle h, char *db);
int kv_exists(xmldb_handle h, char *db);
int kv_delete(xmldb_handle h, char *db);
int kv_init(xmldb_handle h, char *db);
#endif /* _CLIXON_KEYVALUE_H */

334
datastore/text/clixon_xmldb_text.c
View file

@ -44,11 +44,13 @@
#include <limits.h>
#include <fnmatch.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <assert.h>
#include <syslog.h>
#include <syslog.h>
#include <fcntl.h>
/* cligen */
#include <cligen/cligen.h>
@ -58,16 +60,42 @@
#include "clixon_xmldb_text.h"
#define handle(xh) (assert(text_handle_check(xh)==0),(struct text_handle *)(xh))
/* Magic to ensure plugin sanity. */
#define TEXT_HANDLE_MAGIC 0x7f54da29
/*! Internal structure of text datastore handle.
*/
struct text_handle {
int th_magic; /* magic */
char *th_dbdir; /* Directory of database files */
yang_spec *th_yangspec; /* Yang spec if this datastore */
};
/*! Check struct magic number for sanity checks
* return 0 if OK, -1 if fail.
*/
static int
text_handle_check(xmldb_handle xh)
{
/* Dont use handle macro to avoid recursion */
struct text_handle *th = (struct text_handle *)(xh);
return th->th_magic == TEXT_HANDLE_MAGIC ? 0 : -1;
}
/*! Database locking for candidate and running non-persistent
* Store an integer for running and candidate containing
* the session-id of the client holding the lock.
* @note This should probably be on file-system
*/
static int _running_locked = 0;
static int _candidate_locked = 0;
static int _startup_locked = 0;
/*! Translate from symbolic database name to actual filename in file-system
* @param[in] h Clicon handle
* @param[in] th text handle handle
* @param[in] db Symbolic database name, eg "candidate", "running"
* @param[out] filename Filename. Unallocate after use with free()
* @retval 0 OK
@ -78,9 +106,9 @@ static int _startup_locked = 0;
* The filename reside in CLICON_XMLDB_DIR option
*/
static int
db2file(clicon_handle h,
char *db,
char **filename)
db2file(struct text_handle *th,
char *db,
char **filename)
{
int retval = -1;
cbuf *cb;
@ -90,8 +118,8 @@ db2file(clicon_handle h,
clicon_err(OE_XML, errno, "cbuf_new");
goto done;
}
if ((dir = clicon_xmldb_dir(h)) == NULL){
clicon_err(OE_XML, errno, "CLICON_XMLDB_DIR not set");
if ((dir = th->th_dbdir) == NULL){
clicon_err(OE_XML, errno, "dbdir not set");
goto done;
}
if (strcmp(db, "running") != 0 &&
@ -113,12 +141,116 @@ db2file(clicon_handle h,
return retval;
}
/*! Connect to a datastore plugin
* @retval handle Use this handle for other API calls
* @retval NULL Error
*/
xmldb_handle
text_connect(void)
{
struct text_handle *th;
xmldb_handle xh = NULL;
int size;
size = sizeof(struct text_handle);
if ((th = malloc(size)) == NULL){
clicon_err(OE_UNIX, errno, "malloc");
goto done;
}
memset(th, 0, size);
th->th_magic = TEXT_HANDLE_MAGIC;
xh = (xmldb_handle)th;
done:
return xh;
}
/*! Disconnect from to a datastore plugin and deallocate handle
* @param[in] xh XMLDB handle, disconect and deallocate from this handle
* @retval 0 OK
*/
int
text_disconnect(xmldb_handle xh)
{
int retval = -1;
struct text_handle *th = handle(xh);
if (th){
if (th->th_dbdir)
free(th->th_dbdir);
free(th);
}
retval = 0;
// done:
return retval;
}
/*! Get value of generic plugin option. Type of value is givenby context
* @param[in] xh XMLDB handle
* @param[in] optname Option name
* @param[out] value Pointer to Value of option
* @retval 0 OK
* @retval -1 Error
*/
int
text_getopt(xmldb_handle xh,
char *optname,
void **value)
{
int retval = -1;
struct text_handle *th = handle(xh);
if (strcmp(optname, "yangspec") == 0)
*value = th->th_yangspec;
else if (strcmp(optname, "dbdir") == 0)
*value = th->th_dbdir;
else{
clicon_err(OE_PLUGIN, 0, "Option %s not implemented by plugin", optname);
goto done;
}
retval = 0;
done:
return retval;
}
/*! Set value of generic plugin option. Type of value is givenby context
* @param[in] xh XMLDB handle
* @param[in] optname Option name
* @param[in] value Value of option
* @retval 0 OK
* @retval -1 Error
*/
int
text_setopt(xmldb_handle xh,
char *optname,
void *value)
{
int retval = -1;
struct text_handle *th = handle(xh);
if (strcmp(optname, "yangspec") == 0)
th->th_yangspec = (yang_spec*)value;
else if (strcmp(optname, "dbdir") == 0){
if (value && (th->th_dbdir = strdup((char*)value)) == NULL){
clicon_err(OE_UNIX, 0, "strdup");
goto done;
}
}
else{
clicon_err(OE_PLUGIN, 0, "Option %s not implemented by plugin", optname);
goto done;
}
retval = 0;
done:
return retval;
}
/*! Get content of database using xpath. return a set of matching sub-trees
* The function returns a minimal tree that includes all sub-trees that match
* xpath.
* @param[in] xh XMLDB handle
* @param[in] dbname Name of database to search in (filename including dir path
* @param[in] xpath String with XPATH syntax. or NULL for all
* @param[in] yspec Yang specification
* @param[out] xtop Single XML tree which xvec points to. Free with xml_free()
* @param[out] xvec Vector of xml trees. Free after use.
* @param[out] xlen Length of vector.
@ -128,8 +260,7 @@ db2file(clicon_handle h,
* cxobj *xt;
* cxobj **xvec;
* size_t xlen;
* yang_spec *yspec = clicon_dbspec_yang(h);
* if (xmldb_get("running", "/interfaces/interface[name="eth"]",
* if (xmldb_get(xh, "running", "/interfaces/interface[name="eth"]",
* &xt, &xvec, &xlen) < 0)
* err;
* for (i=0; i<xlen; i++){
@ -144,25 +275,85 @@ db2file(clicon_handle h,
* @see xmldb_get
*/
int
text_get(clicon_handle h,
char *db,
char *xpath,
cxobj **xtop,
cxobj ***xvec0,
size_t *xlen0)
text_get(xmldb_handle xh,
char *db,
char *xpath,
cxobj **xtop,
cxobj ***xvec0,
size_t *xlen0)
{
int retval = -1;
char *dbfile = NULL;
yang_spec *yspec;
cxobj *xt = NULL;
int fd = -1;
cxobj **xvec = NULL;
size_t xlen;
int i;
struct text_handle *th = handle(xh);
if (db2file(th, db, &dbfile) < 0)
goto done;
if (dbfile==NULL){
clicon_err(OE_XML, 0, "dbfile NULL");
goto done;
}
if ((yspec = th->th_yangspec) == NULL){
clicon_err(OE_YANG, ENOENT, "No yang spec");
goto done;
}
if ((fd = open(dbfile, O_RDONLY)) < 0){
clicon_err(OE_UNIX, errno, "open(%s)", dbfile);
goto done;
}
if ((clicon_xml_parse_file(fd, &xt, "</clicon>")) < 0)
goto done;
/* XXX Maybe the below is general function and should be moved to xmldb? */
if (xpath_vec(xt, xpath?xpath:"/", &xvec, &xlen) < 0)
goto done;
/* If vectors are specified then filter out everything else,
* otherwise return complete tree.
*/
if (xvec != NULL){
for (i=0; i<xlen; i++)
xml_flag_set(xvec[i], XML_FLAG_MARK);
}
/* Top is special case */
if (!xml_flag(xt, XML_FLAG_MARK))
if (xml_tree_prune_unmarked(xt, NULL) < 0)
goto done;
if (xml_apply(xt, CX_ELMNT, (xml_applyfn_t*)xml_flag_reset, (void*)XML_FLAG_MARK) < 0)
goto done;
if (xvec0 && xlen0){
*xvec0 = xvec;
xvec = NULL;
*xlen0 = xlen;
xlen = 0;
}
if (xml_apply(xt, CX_ELMNT, xml_default, NULL) < 0)
goto done;
/* XXX does not work for top-level */
if (xml_apply(xt, CX_ELMNT, xml_order, NULL) < 0)
goto done;
if (xml_apply(xt, CX_ELMNT, xml_sanity, NULL) < 0)
goto done;
if (debug>1)
clicon_xml2file(stderr, xt, 0, 1);
*xtop = xt;
retval = 0;
// done:
done:
// xml_free(xt);
if (fd != -1)
close(fd);
return retval;
}
/*! Modify database provided an xml tree and an operation
*
* @param[in] h CLICON handle
* @param[in] xh XMLDB handle
* @param[in] db running or candidate
* @param[in] xt xml-tree. Top-level symbol is dummy
* @param[in] op OP_MERGE: just add it.
@ -182,30 +373,14 @@ text_get(clicon_handle h,
* @see xmldb_put_xkey for single key
*/
int
text_put(clicon_handle h,
text_put(xmldb_handle xh,
char *db,
enum operation_type op,
char *api_path,
cxobj *xt)
{
int retval = -1;
retval = 0;
// done:
return retval;
}
/*! Raw dump of database, just keys and values, no xml interpretation
* @param[in] f File
* @param[in] dbfile File-name of database. This is a local file
* @param[in] rxkey Key regexp, eg "^.*$"
* @note This function can only be called locally.
*/
int
text_dump(FILE *f,
char *dbfilename,
char *rxkey)
{
int retval = -1;
int retval = -1;
// struct text_handle *th = handle(xh);
retval = 0;
// done:
@ -213,35 +388,39 @@ text_dump(FILE *f,
}
/*! Copy database from db1 to db2
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] from Source database copy
* @param[in] to Destination database
* @retval -1 Error
* @retval 0 OK
*/
int
text_copy(clicon_handle h,
char *from,
char *to)
text_copy(xmldb_handle xh,
char *from,
char *to)
{
int retval = -1;
int retval = -1;
// struct text_handle *th = handle(xh);
retval = 0;
// done:
return retval;
}
/*! Lock database
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @param[in] pid Process id
* @retval -1 Error
* @retval 0 OK
*/
int
text_lock(clicon_handle h,
char *db,
int pid)
text_lock(xmldb_handle xh,
char *db,
int pid)
{
// struct text_handle *th = handle(xh);
if (strcmp("running", db) == 0)
_running_locked = pid;
else if (strcmp("candidate", db) == 0)
@ -253,7 +432,7 @@ text_lock(clicon_handle h,
}
/*! Unlock database
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @param[in] pid Process id
* @retval -1 Error
@ -261,10 +440,12 @@ text_lock(clicon_handle h,
* Assume all sanity checks have been made
*/
int
text_unlock(clicon_handle h,
char *db,
int pid)
text_unlock(xmldb_handle xh,
char *db,
int pid)
{
// struct text_handle *th = handle(xh);
if (strcmp("running", db) == 0)
_running_locked = 0;
else if (strcmp("candidate", db) == 0)
@ -275,15 +456,17 @@ text_unlock(clicon_handle h,
}
/*! Unlock all databases locked by pid (eg process dies)
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] pid Process / Session id
* @retval -1 Error
* @retval 0 Ok
*/
int
text_unlock_all(clicon_handle h,
int pid)
text_unlock_all(xmldb_handle xh,
int pid)
{
// struct text_handle *th = handle(xh);
if (_running_locked == pid)
_running_locked = 0;
if (_candidate_locked == pid)
@ -294,16 +477,18 @@ text_unlock_all(clicon_handle h,
}
/*! Check if database is locked
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 Not locked
* @retval >0 Id of locker
*/
int
text_islocked(clicon_handle h,
char *db)
text_islocked(xmldb_handle xh,
char *db)
{
// struct text_handle *th = handle(xh);
if (strcmp("running", db) == 0)
return (_running_locked);
else if (strcmp("candidate", db) == 0)
@ -314,21 +499,23 @@ text_islocked(clicon_handle h,
}
/*! Check if db exists
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 No it does not exist
* @retval 1 Yes it exists
*/
int
text_exists(clicon_handle h,
char *db)
text_exists(xmldb_handle xh,
char *db)
{
int retval = -1;
char *filename = NULL;
struct stat sb;
if (db2file(h, db, &filename) < 0)
int retval = -1;
struct text_handle *th = handle(xh);
char *filename = NULL;
struct stat sb;
if (db2file(th, db, &filename) < 0)
goto done;
if (lstat(filename, &sb) < 0)
retval = 0;
@ -341,16 +528,17 @@ text_exists(clicon_handle h,
}
/*! Delete database. Remove file
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval -1 Error
* @retval 0 OK
*/
int
text_delete(clicon_handle h,
char *db)
text_delete(xmldb_handle xh,
char *db)
{
int retval = -1;
int retval = -1;
// struct text_handle *th = handle(xh);
retval = 0;
// done:
@ -358,16 +546,17 @@ text_delete(clicon_handle h,
}
/*! Initialize database
* @param[in] h Clicon handle
* @param[in] xh XMLDB handle
* @param[in] db Database
* @retval 0 OK
* @retval -1 Error
*/
int
text_init(clicon_handle h,
text_init(xmldb_handle xh,
char *db)
{
int retval = -1;
// struct text_handle *th = handle(xh);
retval = 0;
// done:
@ -402,9 +591,12 @@ static const struct xmldb_api api = {
XMLDB_API_MAGIC,
clixon_xmldb_plugin_init,
text_plugin_exit,
text_connect,
text_disconnect,
text_getopt,
text_setopt,
text_get,
text_put,
text_dump,
text_copy,
text_lock,
text_unlock,

20
datastore/text/clixon_xmldb_text.h
View file

@ -39,18 +39,18 @@
/*
* Prototypes
*/
int text_get(clicon_handle h, char *db, char *xpath,
int text_get(xmldb_handle h, char *db, char *xpath,
cxobj **xtop, cxobj ***xvec, size_t *xlen);
int text_put(clicon_handle h, char *db, enum operation_type op,
int text_put(xmldb_handle h, char *db, enum operation_type op,
char *api_path, cxobj *xt);
int text_dump(FILE *f, char *dbfilename, char *rxkey);
int text_copy(clicon_handle h, char *from, char *to);
int text_lock(clicon_handle h, char *db, int pid);
int text_unlock(clicon_handle h, char *db, int pid);
int text_unlock_all(clicon_handle h, int pid);
int text_islocked(clicon_handle h, char *db);
int text_exists(clicon_handle h, char *db);
int text_delete(clicon_handle h, char *db);
int text_init(clicon_handle h, char *db);
int text_copy(xmldb_handle h, char *from, char *to);
int text_lock(xmldb_handle h, char *db, int pid);
int text_unlock(xmldb_handle h, char *db, int pid);
int text_unlock_all(xmldb_handle h, int pid);
int text_islocked(xmldb_handle h, char *db);
int text_exists(xmldb_handle h, char *db);
int text_delete(xmldb_handle h, char *db);
int text_init(xmldb_handle h, char *db);
#endif /* _CLIXON_XMLDB_TEXT_H */