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Implement temporary table for interation of caches too.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@22831 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-04-07 11:47:46 +00:00
parent 7c68a6db5b
commit 9ec27909a6
1 changed files with 70 additions and 10 deletions
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80
lib/krb5/scache.c
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@@ -175,6 +175,15 @@ scc_free(krb5_scache *s)
free(s); free(s);
} }
#define TRACEME
#ifdef TRACEME
static void
trace(void* ptr, const char * str)
{
printf("SQL: %s\n", str);
}
#endif
static krb5_error_code static krb5_error_code
prepare_stmt(krb5_context context, sqlite3 *db, sqlite3_stmt **stmt, const char *str) prepare_stmt(krb5_context context, sqlite3 *db, sqlite3_stmt **stmt, const char *str)
{ {
@@ -221,6 +230,10 @@ default_db(krb5_context context, sqlite3 **db)
return ENOENT; return ENOENT;
} }
#ifdef TRACEME
sqlite3_trace(*db, trace, NULL);
#endif
return 0; return 0;
} }
@@ -349,15 +362,6 @@ create_cache(krb5_context context, krb5_scache *s)
return 0; return 0;
} }
#define TRACEME
#ifdef TRACEME
static void
trace(void* ptr, const char * str)
{
printf("SQL: %s\n", str);
}
#endif
static krb5_error_code static krb5_error_code
make_database(krb5_context context, krb5_scache *s) make_database(krb5_context context, krb5_scache *s)
{ {
@@ -1016,6 +1020,7 @@ scc_set_flags(krb5_context context,
} }
struct cache_iter { struct cache_iter {
char *drop;
sqlite3 *db; sqlite3 *db;
sqlite3_stmt *stmt; sqlite3_stmt *stmt;
}; };
@@ -1025,6 +1030,7 @@ scc_get_cache_first(krb5_context context, krb5_cc_cursor *cursor)
{ {
struct cache_iter *ctx; struct cache_iter *ctx;
krb5_error_code ret; krb5_error_code ret;
char *name, *str;
*cursor = NULL; *cursor = NULL;
@@ -1040,9 +1046,61 @@ scc_get_cache_first(krb5_context context, krb5_cc_cursor *cursor)
return ret; return ret;
} }
ret = prepare_stmt(context, ctx->db, &ctx->stmt,"SELECT name FROM caches"); asprintf(&name, "cacheIteration%luPid%d",
(unsigned long)ctx, (int)getpid());
if (name == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
sqlite3_close(ctx->db);
free(ctx);
return ENOMEM;
}
asprintf(&ctx->drop, "DROP TABLE %s", name);
if (ctx->drop == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
sqlite3_close(ctx->db);
free(name);
free(ctx);
return ENOMEM;
}
asprintf(&str, "CREATE TEMPORARY TABLE %s AS SELECT name FROM caches",
name);
if (str == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
sqlite3_close(ctx->db);
free(name);
free(ctx->drop);
free(ctx);
return ENOMEM;
}
ret = exec_stmt(context, ctx->db, str, KRB5_CC_IO);
free(str);
if (ret) { if (ret) {
sqlite3_close(ctx->db); sqlite3_close(ctx->db);
free(name);
free(ctx->drop);
free(ctx);
return ret;
}
asprintf(&str, "SELECT name FROM %s", name);
free(name);
if (str == NULL) {
exec_stmt(context, ctx->db, ctx->drop, 0);
sqlite3_close(ctx->db);
free(name);
free(ctx->drop);
free(ctx);
return ENOMEM;
}
ret = prepare_stmt(context, ctx->db, &ctx->stmt, str);
if (ret) {
exec_stmt(context, ctx->db, ctx->drop, 0);
sqlite3_close(ctx->db);
free(ctx->drop);
free(ctx); free(ctx);
return ret; return ret;
} }
@@ -1090,8 +1148,10 @@ scc_end_cache_get(krb5_context context, krb5_cc_cursor cursor)
{ {
struct cache_iter *ctx = cursor; struct cache_iter *ctx = cursor;
exec_stmt(context, ctx->db, ctx->drop, 0);
sqlite3_finalize(ctx->stmt); sqlite3_finalize(ctx->stmt);
sqlite3_close(ctx->db); sqlite3_close(ctx->db);
free(ctx->drop);
free(ctx); free(ctx);
return 0; return 0;
} }