diff mbox

[11/17] libnsdb: Remove *ldaperr argument from NSDB 5.2.2 API

Message ID 20140102202826.2964.49420.stgit@seurat.1015granger.net
State Accepted
Headers show

Commit Message

Chuck Lever Jan. 2, 2014, 8:28 p.m. UTC
Simplify the FSN resolution API by removing the *ldaperr argument.
When it is needed, the ldaperr value can be extracted with the new
nsdb_ldaperr() function.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 src/fedfsd/svc.c             |    9 +++---
 src/include/nsdb.h           |    6 +---
 src/libnsdb/fileserver.c     |   62 ++++++++++++++++++------------------------
 src/nfsref/lookup.c          |   11 +++----
 src/nsdbc/nsdb-list.c        |    5 +--
 src/nsdbc/nsdb-resolve-fsn.c |   13 ++++-----
 src/plug-ins/nfs-plugin.c    |   11 +++----
 7 files changed, 50 insertions(+), 67 deletions(-)
diff mbox

Patch

diff --git a/src/fedfsd/svc.c b/src/fedfsd/svc.c
index e531f3f..c02daad 100644
--- a/src/fedfsd/svc.c
+++ b/src/fedfsd/svc.c
@@ -849,7 +849,6 @@  fedfsd_prepare_fedfsfsl_array(const struct fedfs_fsl *fsls,
 static void
 fedfsd_svc_lookup_junction_1(SVCXPRT *xprt)
 {
-	unsigned int ldap_err = 0;
 	FedFsLookupRes result;
 	FedFsLookupResOk *resok = &result.FedFsLookupRes_u.resok;
 	FedFsLookupArgs args;
@@ -922,11 +921,11 @@  again:
 		if (result.status != FEDFS_OK)
 			break;
 
-		result.status = nsdb_resolve_fsn_s(host, NULL, fsn_uuid,
-								&fsls, &ldap_err);
+		result.status = nsdb_resolve_fsn_s(host, NULL, fsn_uuid, &fsls);
 		if (result.status == FEDFS_ERR_NSDB_LDAP_VAL) {
-			if (ldap_err != LDAP_REFERRAL) {
-				result.FedFsLookupRes_u.ldapResultCode = ldap_err;
+			if (nsdb_ldaperr(host) != LDAP_REFERRAL) {
+				result.FedFsLookupRes_u.ldapResultCode =
+							nsdb_ldaperr(host);
 				nsdb_close_nsdb(host);
 				break;
 			}
diff --git a/src/include/nsdb.h b/src/include/nsdb.h
index 2aafcb5..ea765f7 100644
--- a/src/include/nsdb.h
+++ b/src/include/nsdb.h
@@ -387,11 +387,9 @@  FedFsStatus	 nsdb_find_naming_context_s(nsdb_t host, const char *entry,
  * Resolve an FSN (5.2.2)
  */
 FedFsStatus	 nsdb_resolve_fsn_s(nsdb_t host, const char *nce,
-				const char *fsn_uuid, struct fedfs_fsl **fsls,
-				unsigned int *ldap_err);
+				const char *fsn_uuid, struct fedfs_fsl **fsls);
 FedFsStatus	 nsdb_get_fsn_s(nsdb_t host, const char *nce,
-				const char *fsn_uuid, struct fedfs_fsn **fsn,
-				unsigned int *ldap_err);
+				const char *fsn_uuid, struct fedfs_fsn **fsn);
 
 /**
  ** NSDB fileserver operations defined by this implementation
diff --git a/src/libnsdb/fileserver.c b/src/libnsdb/fileserver.c
index 222b47a..db443a6 100644
--- a/src/libnsdb/fileserver.c
+++ b/src/libnsdb/fileserver.c
@@ -1165,7 +1165,6 @@  nsdb_resolve_fsn_parse_entry(LDAP *ld, LDAPMessage *entry,
  * @param nce a NUL-terminated C string containing DN of NSDB container entry
  * @param fsn_uuid a NUL-terminated C string containing FSN UUID
  * @param fsls OUT: a list of fedfs_fsl structures
- * @param ldap_err OUT: possibly an LDAP error code
  * @return a FedFsStatus code
  *
  * ldapsearch equivalent:
@@ -1177,13 +1176,13 @@  nsdb_resolve_fsn_parse_entry(LDAP *ld, LDAPMessage *entry,
  */
 static FedFsStatus
 nsdb_resolve_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
-		struct fedfs_fsl **fsls, unsigned int *ldap_err)
+		struct fedfs_fsl **fsls)
 {
 	LDAPMessage *response, *message;
 	LDAP *ld = host->fn_ldap;
 	struct fedfs_fsl *tmp;
-	int len, rc, entries;
 	FedFsStatus retval;
+	int len, entries;
 	char *filter;
 
 	filter = malloc(128);
@@ -1200,10 +1199,11 @@  nsdb_resolve_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid
 		return FEDFS_ERR_INVAL;
 	}
 
-	rc = nsdb_search_nsdb_all_s(ld, nce, LDAP_SCOPE_SUBTREE,
-						filter, &response);
+	host->fn_ldaperr = nsdb_search_nsdb_all_s(ld, nce,
+							LDAP_SCOPE_SUBTREE,
+							filter, &response);
 	free(filter);
-	switch (rc) {
+	switch (host->fn_ldaperr) {
 	case LDAP_SUCCESS:
 	case LDAP_REFERRAL:
 		break;
@@ -1213,8 +1213,7 @@  nsdb_resolve_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid
 		return FEDFS_ERR_NSDB_NOFSN;
 	default:
 		xlog(D_GENERAL, "%s: LDAP search failed: %s",
-			__func__, ldap_err2string(rc));
-		*ldap_err = rc;
+			__func__, ldap_err2string(host->fn_ldaperr));
 		return FEDFS_ERR_NSDB_LDAP_VAL;
 	}
 	if (response == NULL) {
@@ -1243,7 +1242,7 @@  nsdb_resolve_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid
 		case LDAP_RES_SEARCH_RESULT:
 			retval = nsdb_parse_result(ld, message,
 							&host->fn_referrals,
-							ldap_err);
+							&host->fn_ldaperr);
 			break;
 		default:
 			xlog(L_ERROR, "%s: Unrecognized LDAP message type",
@@ -1274,7 +1273,6 @@  nsdb_resolve_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid
  * @param nce a NUL-terminated C string containing DN of NSDB container entry
  * @param fsn_uuid a NUL-terminated C string containing FSN UUID
  * @param fsls OUT: a list of fedfs_fsl structures
- * @param ldap_err OUT: possibly an LDAP error code
  * @return a FedFsStatus code
  *
  * If caller did not provide an NCE, discover one by querying the NSDB.
@@ -1283,7 +1281,7 @@  nsdb_resolve_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid
  */
 FedFsStatus
 nsdb_resolve_fsn_s(nsdb_t host, const char *nce, const char *fsn_uuid,
-		struct fedfs_fsl **fsls, unsigned int *ldap_err)
+		struct fedfs_fsl **fsls)
 {
 	char **contexts, **nce_list;
 	FedFsStatus retval;
@@ -1299,24 +1297,22 @@  nsdb_resolve_fsn_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 		return FEDFS_ERR_INVAL;
 	}
 
-	if (fsls == NULL || ldap_err == NULL) {
+	if (fsls == NULL) {
 		xlog(L_ERROR, "%s: Invalid parameter", __func__);
 		return FEDFS_ERR_INVAL;
 	}
 
 	if (nce != NULL)
 		return nsdb_resolve_fsn_find_entry_s(host, nce,
-						fsn_uuid, fsls, ldap_err);
+							fsn_uuid, fsls);
 
 	/*
 	 * Caller did not provide an nce.  Generate a list
 	 * of the server's NSDB container entries.
 	 */
 	retval = nsdb_get_naming_contexts_s(host, &contexts);
-	if (retval != FEDFS_OK) {
-		*ldap_err = (unsigned int)nsdb_ldaperr(host);
+	if (retval != FEDFS_OK)
 		return retval;
-	}
 
 	for (i = 0; contexts[i] != NULL; i++);
 	nce_list = calloc(i + 1, sizeof(char *));
@@ -1338,8 +1334,7 @@  nsdb_resolve_fsn_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 
 	for (j = 0; nce_list[j] != NULL; j++) {
 		retval = nsdb_resolve_fsn_find_entry_s(host, nce_list[j],
-							fsn_uuid, fsls,
-							ldap_err);
+							fsn_uuid, fsls);
 		if (retval == FEDFS_OK)
 			break;
 	}
@@ -1488,7 +1483,6 @@  nsdb_get_fsn_parse_entry(LDAP *ld, LDAPMessage *entry,
  * @param nce a NUL-terminated C string containing DN of NSDB container entry
  * @param fsn_uuid a NUL-terminated C string containing FSN UUID
  * @param fsn OUT: a fedfs_fsn structures
- * @param ldap_err OUT: possibly an LDAP error code
  * @return a FedFsStatus code
  *
  * Caller must free the returned "fsn" using nsdb_free_fedfs_fsn().
@@ -1502,13 +1496,13 @@  nsdb_get_fsn_parse_entry(LDAP *ld, LDAPMessage *entry,
  */
 static FedFsStatus
 nsdb_get_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
-		struct fedfs_fsn **fsn, unsigned int *ldap_err)
+		struct fedfs_fsn **fsn)
 {
 	LDAPMessage *response, *message;
 	LDAP *ld = host->fn_ldap;
 	struct fedfs_fsn *tmp;
-	int len, rc, entries;
 	FedFsStatus retval;
+	int len, entries;
 	char *filter;
 
 	filter = malloc(128);
@@ -1525,9 +1519,10 @@  nsdb_get_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 		return FEDFS_ERR_INVAL;
 	}
 
-	rc = nsdb_search_nsdb_all_s(ld, nce, LDAP_SCOPE_ONE, filter, &response);
+	host->fn_ldaperr = nsdb_search_nsdb_all_s(ld, nce, LDAP_SCOPE_ONE,
+							filter, &response);
 	free(filter);
-	switch (rc) {
+	switch (host->fn_ldaperr) {
 	case LDAP_SUCCESS:
 	case LDAP_REFERRAL:
 		break;
@@ -1537,8 +1532,7 @@  nsdb_get_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 		return FEDFS_ERR_NSDB_NOFSN;
 	default:
 		xlog(D_GENERAL, "%s: LDAP search failed: %s",
-			__func__, ldap_err2string(rc));
-		*ldap_err = rc;
+			__func__, ldap_err2string(host->fn_ldaperr));
 		return FEDFS_ERR_NSDB_LDAP_VAL;
 	}
 	if (response == NULL) {
@@ -1566,7 +1560,7 @@  nsdb_get_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 		case LDAP_RES_SEARCH_RESULT:
 			retval = nsdb_parse_result(ld, message,
 							&host->fn_referrals,
-							ldap_err);
+							&host->fn_ldaperr);
 			break;
 		default:
 			xlog(L_ERROR, "%s: Unrecognized LDAP message type",
@@ -1591,7 +1585,6 @@  nsdb_get_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
  * @param nce a NUL-terminated C string containing DN of NSDB container entry
  * @param fsn_uuid a NUL-terminated C string containing FSN UUID
  * @param fsn OUT: a fedfs_fsn structures
- * @param ldap_err OUT: possibly an LDAP error code
  * @return a FedFsStatus code
  *
  * If caller did not provide an NCE, discover one by querying the NSDB.
@@ -1600,7 +1593,7 @@  nsdb_get_fsn_find_entry_s(nsdb_t host, const char *nce, const char *fsn_uuid,
  */
 FedFsStatus
 nsdb_get_fsn_s(nsdb_t host, const char *nce, const char *fsn_uuid,
-		struct fedfs_fsn **fsn, unsigned int *ldap_err)
+		struct fedfs_fsn **fsn)
 {
 	char **contexts, **nce_list;
 	FedFsStatus retval;
@@ -1616,24 +1609,21 @@  nsdb_get_fsn_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 		return FEDFS_ERR_INVAL;
 	}
 
-	if (fsn == NULL || ldap_err == NULL) {
+	if (fsn == NULL) {
 		xlog(L_ERROR, "%s: Invalid parameter", __func__);
 		return FEDFS_ERR_INVAL;
 	}
 
 	if (nce != NULL)
-		return nsdb_get_fsn_find_entry_s(host, nce, fsn_uuid,
-							fsn, ldap_err);
+		return nsdb_get_fsn_find_entry_s(host, nce, fsn_uuid, fsn);
 
 	/*
 	 * Caller did not provide an nce.  Generate a list
 	 * of the server's NSDB container entries.
 	 */
 	retval = nsdb_get_naming_contexts_s(host, &contexts);
-	if (retval != FEDFS_OK) {
-		*ldap_err = (unsigned int)nsdb_ldaperr(host);
+	if (retval != FEDFS_OK)
 		return retval;
-	}
 
 	for (i = 0; contexts[i] != NULL; i++);
 	nce_list = calloc(i + 1, sizeof(char *));
@@ -1654,8 +1644,8 @@  nsdb_get_fsn_s(nsdb_t host, const char *nce, const char *fsn_uuid,
 		goto out;
 
 	for (j = 0; nce_list[j] != NULL; j++) {
-		retval = nsdb_get_fsn_find_entry_s(host, nce_list[j], fsn_uuid,
-							fsn, ldap_err);
+		retval = nsdb_get_fsn_find_entry_s(host, nce_list[j],
+							fsn_uuid, fsn);
 		if (retval == FEDFS_OK)
 			break;
 	}
diff --git a/src/nfsref/lookup.c b/src/nfsref/lookup.c
index 273663b..5f1442e 100644
--- a/src/nfsref/lookup.c
+++ b/src/nfsref/lookup.c
@@ -345,7 +345,6 @@  nfsref_lookup_resolve_fsn(const char *fsn_uuid, nsdb_t host)
 	int status = EXIT_FAILURE;
 	struct fedfs_fsl *fsls;
 	struct fedfs_fsn *fsn;
-	unsigned int ldap_err;
 	FedFsStatus retval;
 	int fsn_ttl;
 
@@ -378,7 +377,7 @@  again:
 	}
 
 
-	retval = nsdb_get_fsn_s(host, NULL, fsn_uuid, &fsn, &ldap_err);
+	retval = nsdb_get_fsn_s(host, NULL, fsn_uuid, &fsn);
 	switch (retval) {
 	case FEDFS_OK:
 		fsn_ttl = fsn->fn_fsnttl;
@@ -390,7 +389,7 @@  again:
 		goto out_close;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
 		xlog(L_ERROR, "%s: NSDB operation failed with %s",
-			__func__, ldap_err2string(ldap_err));
+			__func__, nsdb_ldaperr2string(host));
 		goto out_close;
 	default:
 		xlog(L_ERROR, "%s: Failed to retrieve FSN %s: %s",
@@ -398,7 +397,7 @@  again:
 		goto out_close;
 	}
 
-	retval = nsdb_resolve_fsn_s(host, NULL, fsn_uuid, &fsls, &ldap_err);
+	retval = nsdb_resolve_fsn_s(host, NULL, fsn_uuid, &fsls);
 	switch (retval) {
 	case FEDFS_OK:
 		printf("fedfsFsnUuid:\t%s\n", fsn_uuid);
@@ -419,7 +418,7 @@  again:
 			__func__, fsn_uuid);
 		break;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
-		switch (ldap_err) {
+		switch (nsdb_ldaperr(host)) {
 		case LDAP_REFERRAL:
 			retval = nfsref_lookup_follow_ldap_referral(&host);
 			if (retval == FEDFS_OK)
@@ -431,7 +430,7 @@  again:
 			break;
 		default:
 			xlog(L_ERROR, "%s: NSDB operation failed with %s",
-				__func__, ldap_err2string(ldap_err));
+				__func__, nsdb_ldaperr2string(host));
 		}
 		break;
 	default:
diff --git a/src/nsdbc/nsdb-list.c b/src/nsdbc/nsdb-list.c
index 43f3410..a24d133 100644
--- a/src/nsdbc/nsdb-list.c
+++ b/src/nsdbc/nsdb-list.c
@@ -114,12 +114,11 @@  static void
 nsdb_list_resolve_and_display_fsn(nsdb_t host, const char *nce, const char *fsn_uuid)
 {
 	struct fedfs_fsl *fsls;
-	unsigned int ldap_err;
 	FedFsStatus retval;
 
 	printf("    FSN UUID: %s\n", fsn_uuid);
 
-	retval = nsdb_resolve_fsn_s(host, nce, fsn_uuid, &fsls, &ldap_err);
+	retval = nsdb_resolve_fsn_s(host, nce, fsn_uuid, &fsls);
 	switch (retval) {
 	case FEDFS_OK:
 		nsdb_list_display_fsls(fsls);
@@ -130,7 +129,7 @@  nsdb_list_resolve_and_display_fsn(nsdb_t host, const char *nce, const char *fsn_
 		break;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
 		fprintf(stderr, "NSDB LDAP error: %s\n",
-			ldap_err2string(ldap_err));
+			nsdb_ldaperr2string(host));
 		break;
 	default:
 		fprintf(stderr, "Failed to resolve FSN UUID %s: %s\n",
diff --git a/src/nsdbc/nsdb-resolve-fsn.c b/src/nsdbc/nsdb-resolve-fsn.c
index 6baac28..ed8549d 100644
--- a/src/nsdbc/nsdb-resolve-fsn.c
+++ b/src/nsdbc/nsdb-resolve-fsn.c
@@ -250,7 +250,6 @@  main(int argc, char **argv)
 	unsigned short nsdbport;
 	struct fedfs_fsl *fsls;
 	struct fedfs_fsn *fsn;
-	unsigned int ldap_err;
 	char *nce, *fsn_uuid;
 	FedFsStatus retval;
 	int fsn_ttl, arg;
@@ -358,7 +357,7 @@  again:
 		goto out_free;
 	}
 
-	retval = nsdb_get_fsn_s(host, nce, fsn_uuid, &fsn, &ldap_err);
+	retval = nsdb_get_fsn_s(host, nce, fsn_uuid, &fsn);
 	switch (retval) {
 	case FEDFS_OK:
 		fsn_ttl = fsn->fn_fsnttl;
@@ -375,7 +374,7 @@  again:
 		fprintf(stderr, "Failed to find FSN %s\n", fsn_uuid);
 		goto out_close;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
-		switch (ldap_err) {
+		switch (nsdb_ldaperr(host)) {
 		case LDAP_REFERRAL:
 			retval = nsdb_resolve_fsn_follow_ldap_referral(&host);
 			if (retval == FEDFS_OK)
@@ -387,7 +386,7 @@  again:
 			break;
 		default:
 			fprintf(stderr, "NSDB LDAP error: %s\n",
-				ldap_err2string(ldap_err));
+				nsdb_ldaperr2string(host));
 		}
 		goto out_close;
 	default:
@@ -397,7 +396,7 @@  again:
 		goto out_close;
 	}
 
-	retval = nsdb_resolve_fsn_s(host, nce, fsn_uuid, &fsls, &ldap_err);
+	retval = nsdb_resolve_fsn_s(host, nce, fsn_uuid, &fsls);
 	switch (retval) {
 	case FEDFS_OK:
 		printf("For FSN UUID: %s\n", fsn_uuid);
@@ -421,14 +420,14 @@  again:
 		fprintf(stderr, "Failed to find FSN %s\n", fsn_uuid);
 		break;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
-		if (ldap_err == LDAP_REFERRAL) {
+		if (nsdb_ldaperr(host) == LDAP_REFERRAL) {
 			retval = nsdb_resolve_fsn_follow_ldap_referral(&host);
 			if (retval != FEDFS_OK)
 				break;
 			goto again;
 		}
 		fprintf(stderr, "NSDB LDAP error: %s\n",
-			ldap_err2string(ldap_err));
+			nsdb_ldaperr2string(host));
 		break;
 	default:
 		fprintf(stderr, "FedFsStatus code "
diff --git a/src/plug-ins/nfs-plugin.c b/src/plug-ins/nfs-plugin.c
index 25e97e2..f214c09 100644
--- a/src/plug-ins/nfs-plugin.c
+++ b/src/plug-ins/nfs-plugin.c
@@ -390,7 +390,6 @@  nfs_jp_resolve_fsn(const char *fsn_uuid, nsdb_t host,
 	enum jp_status status = JP_NSDBREMOTE;
 	struct fedfs_fsl *fsls;
 	struct fedfs_fsn *fsn;
-	unsigned int ldap_err;
 	FedFsStatus retval;
 	int fsn_ttl;
 
@@ -419,7 +418,7 @@  again:
 		return JP_NSDBLOCAL;
 	}
 
-	retval = nsdb_get_fsn_s(host, NULL, fsn_uuid, &fsn, &ldap_err);
+	retval = nsdb_get_fsn_s(host, NULL, fsn_uuid, &fsn);
 	switch (retval) {
 	case FEDFS_OK:
 		fsn_ttl = fsn->fn_fsnttl;
@@ -434,7 +433,7 @@  again:
 			__func__, fsn_uuid);
 		goto out_close;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
-		switch (ldap_err) {
+		switch (nsdb_ldaperr(host)) {
 		case LDAP_REFERRAL:
 			retval = nfs_jp_follow_ldap_referral(&host);
 			if (retval == FEDFS_OK)
@@ -446,7 +445,7 @@  again:
 			break;
 		default:
 			nfs_jp_debug("%s: NSDB operation failed with %s\n",
-				__func__, ldap_err2string(ldap_err));
+				__func__, nsdb_ldaperr2string(host));
 		}
 		goto out_close;
 	default:
@@ -455,7 +454,7 @@  again:
 		goto out_close;
 	}
 
-	retval = nsdb_resolve_fsn_s(host, NULL, fsn_uuid, &fsls, &ldap_err);
+	retval = nsdb_resolve_fsn_s(host, NULL, fsn_uuid, &fsls);
 	switch (retval) {
 	case FEDFS_OK:
 		status = nfs_jp_convert_fedfs_fsls(fsls, new);
@@ -475,7 +474,7 @@  again:
 		break;
 	case FEDFS_ERR_NSDB_LDAP_VAL:
 		nfs_jp_debug("%s: NSDB operation failed with %s\n",
-			__func__, ldap_err2string(ldap_err));
+			__func__, nsdb_ldaperr2string(host));
 		break;
 	default:
 		nfs_jp_debug("%s: Failed to resolve FSN %s: %s\n",