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Clixon 4.4 three compile-time options: MOVE_TRANS_END for changing transaction-end callbacks; STATE_ORDERED_BY_SYSTEM to make state data system ordered; XML_MERGE_TWO_ROUNDS to improve xml_merge performance.

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This commit is contained in:
Olof hagsand 2020-04-02 14:28:58 +02:00
parent 5535239363
commit 662d6b0a3f
19 changed files with 483 additions and 61 deletions
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63
apps/backend/backend_commit.c
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@ -349,6 +349,30 @@ startup_commit(clicon_handle h,
/* 8. Call plugin transaction commit callbacks */
if (plugin_transaction_commit(h, td) < 0)
goto done;
#ifdef MOVE_TRANS_END
/* 10. Call plugin transaction end callbacks */
plugin_transaction_end(h, td);
/* Clear cached trees from default values and marking */
if (xmldb_get0_clear(h, td->td_target) < 0)
goto done;
/* [Delete and] create running db */
if (xmldb_exists(h, "running") == 1){
if (xmldb_delete(h, "running") != 0 && errno != ENOENT)
goto done;;
}
if (xmldb_create(h, "running") < 0)
goto done;
/* 9, write (potentially modified) tree to running
* XXX note here startup is copied to candidate, which may confuse everything
* XXX default values are overwritten
*/
if ((ret = xmldb_put(h, "running", OP_REPLACE, td->td_target,
clicon_username_get(h), cbret)) < 0)
goto done;
if (ret == 0)
goto fail;
#else
/* Clear cached trees from default values and marking */
if (xmldb_get0_clear(h, td->td_target) < 0)
goto done;
@ -371,6 +395,7 @@ startup_commit(clicon_handle h,
goto fail;
/* 10. Call plugin transaction end callbacks */
plugin_transaction_end(h, td);
#endif /* MOVE_TRANS_END */
retval = 1;
done:
if (td){
@ -541,6 +566,31 @@ candidate_commit(clicon_handle h,
if (plugin_transaction_commit(h, td) < 0)
goto done;
#ifdef MOVE_TRANS_END
/* 9. Call plugin transaction end callbacks */
plugin_transaction_end(h, td);
/* Clear cached trees from default values and marking */
if (xmldb_get0_clear(h, td->td_target) < 0)
goto done;
if (xmldb_get0_clear(h, td->td_src) < 0)
goto done;
/* 8. Success: Copy candidate to running
*/
if (xmldb_copy(h, candidate, "running") < 0)
goto done;
/* Here pointers to old (source) tree are obsolete */
if (td->td_dvec){
td->td_dlen = 0;
free(td->td_dvec);
td->td_dvec = NULL;
}
if (td->td_scvec){
free(td->td_scvec);
td->td_scvec = NULL;
}
#else
/* Clear cached trees from default values and marking */
if (xmldb_get0_clear(h, td->td_target) < 0)
goto done;
@ -574,6 +624,8 @@ candidate_commit(clicon_handle h,
/* 9. Call plugin transaction end callbacks */
plugin_transaction_end(h, td);
#endif /* MOVE_TRANS_END */
retval = 1;
done:
/* In case of failure (or error), call plugin transaction termination callbacks */
@ -773,9 +825,17 @@ from_client_validate(clicon_handle h,
goto done;
goto ok;
}
#ifdef MOVE_TRANS_END
/* Call plugin transaction end callbacks */
plugin_transaction_end(h, td);
/* Clear cached trees from default values and marking */
if (xmldb_get0_clear(h, td->td_target) < 0)
if (xmldb_get0_clear(h, td->td_src) < 0 ||
xmldb_get0_clear(h, td->td_target) < 0){
plugin_transaction_abort(h, td);
goto done;
}
cprintf(cbret, "<rpc-reply><ok/></rpc-reply>");
#else /* MOVE_TRANS_END */
if (xmldb_get0_clear(h, td->td_src) < 0 ||
xmldb_get0_clear(h, td->td_target) < 0){
plugin_transaction_abort(h, td);
@ -793,6 +853,7 @@ from_client_validate(clicon_handle h,
cprintf(cbret, "<rpc-reply><ok/></rpc-reply>");
/* Call plugin transaction end callbacks */
plugin_transaction_end(h, td);
#endif /* MOVE_TRANS_END */
ok:
retval = 0;
done: