--- /dev/null
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include "logging.h"
+
+#define NUM_RECORDS 1000
+
+/* We use the same seed which we saw a failure on. */
+static uint32_t fixedhash(const void *key, size_t len, uint32_t seed, void *p)
+{
+ return hash64_stable((const unsigned char *)key, len,
+ *(uint64_t *)p);
+}
+
+static bool store_records(struct ntdb_context *ntdb)
+{
+ int i;
+ NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
+ NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
+
+ for (i = 0; i < NUM_RECORDS; i++)
+ if (ntdb_store(ntdb, key, data, NTDB_REPLACE) != 0)
+ return false;
+ return true;
+}
+
+struct trav_data {
+ unsigned int calls, call_limit;
+ int low, high;
+ bool mismatch;
+ bool delete;
+ enum NTDB_ERROR delete_error;
+};
+
+static int trav(struct ntdb_context *ntdb, NTDB_DATA key, NTDB_DATA dbuf,
+ struct trav_data *td)
+{
+ int val;
+
+ td->calls++;
+ if (key.dsize != sizeof(val) || dbuf.dsize != sizeof(val)
+ || memcmp(key.dptr, dbuf.dptr, key.dsize) != 0) {
+ td->mismatch = true;
+ return -1;
+ }
+ memcpy(&val, dbuf.dptr, dbuf.dsize);
+ if (val < td->low)
+ td->low = val;
+ if (val > td->high)
+ td->high = val;
+
+ if (td->delete) {
+ td->delete_error = ntdb_delete(ntdb, key);
+ if (td->delete_error != NTDB_SUCCESS) {
+ return -1;
+ }
+ }
+
+ if (td->calls == td->call_limit)
+ return 1;
+ return 0;
+}
+
+struct trav_grow_data {
+ unsigned int calls;
+ unsigned int num_large;
+ bool mismatch;
+ enum NTDB_ERROR error;
+};
+
+static int trav_grow(struct ntdb_context *ntdb, NTDB_DATA key, NTDB_DATA dbuf,
+ struct trav_grow_data *tgd)
+{
+ int val;
+ unsigned char buffer[128] = { 0 };
+
+ tgd->calls++;
+ if (key.dsize != sizeof(val) || dbuf.dsize < sizeof(val)
+ || memcmp(key.dptr, dbuf.dptr, key.dsize) != 0) {
+ tgd->mismatch = true;
+ return -1;
+ }
+
+ if (dbuf.dsize > sizeof(val))
+ /* We must have seen this before! */
+ tgd->num_large++;
+
+ /* Make a big difference to the database. */
+ dbuf.dptr = buffer;
+ dbuf.dsize = sizeof(buffer);
+ tgd->error = ntdb_append(ntdb, key, dbuf);
+ if (tgd->error != NTDB_SUCCESS) {
+ return -1;
+ }
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ unsigned int i;
+ int num;
+ struct trav_data td;
+ struct trav_grow_data tgd;
+ struct ntdb_context *ntdb;
+ uint64_t seed = 16014841315512641303ULL;
+ int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
+ NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
+ NTDB_NOMMAP|NTDB_CONVERT };
+ union ntdb_attribute hattr = { .hash = { .base = { NTDB_ATTRIBUTE_HASH },
+ .fn = fixedhash,
+ .data = &seed } };
+
+ hattr.base.next = &tap_log_attr;
+
+ plan_tests(sizeof(flags) / sizeof(flags[0]) * 32 + 1);
+ for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+ ntdb = ntdb_open("run-traverse.ntdb", flags[i]|MAYBE_NOSYNC,
+ O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
+ ok1(ntdb);
+ if (!ntdb)
+ continue;
+
+ ok1(ntdb_traverse(ntdb, NULL, NULL) == 0);
+
+ ok1(store_records(ntdb));
+ num = ntdb_traverse(ntdb, NULL, NULL);
+ ok1(num == NUM_RECORDS);
+
+ /* Full traverse. */
+ td.calls = 0;
+ td.call_limit = UINT_MAX;
+ td.low = INT_MAX;
+ td.high = INT_MIN;
+ td.mismatch = false;
+ td.delete = false;
+
+ num = ntdb_traverse(ntdb, trav, &td);
+ ok1(num == NUM_RECORDS);
+ ok1(!td.mismatch);
+ ok1(td.calls == NUM_RECORDS);
+ ok1(td.low == 0);
+ ok1(td.high == NUM_RECORDS-1);
+
+ /* Short traverse. */
+ td.calls = 0;
+ td.call_limit = NUM_RECORDS / 2;
+ td.low = INT_MAX;
+ td.high = INT_MIN;
+ td.mismatch = false;
+ td.delete = false;
+
+ num = ntdb_traverse(ntdb, trav, &td);
+ ok1(num == NUM_RECORDS / 2);
+ ok1(!td.mismatch);
+ ok1(td.calls == NUM_RECORDS / 2);
+ ok1(td.low <= NUM_RECORDS / 2);
+ ok1(td.high > NUM_RECORDS / 2);
+ ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+ ok1(tap_log_messages == 0);
+
+ /* Deleting traverse (delete everything). */
+ td.calls = 0;
+ td.call_limit = UINT_MAX;
+ td.low = INT_MAX;
+ td.high = INT_MIN;
+ td.mismatch = false;
+ td.delete = true;
+ td.delete_error = NTDB_SUCCESS;
+ num = ntdb_traverse(ntdb, trav, &td);
+ ok1(num == NUM_RECORDS);
+ ok1(td.delete_error == NTDB_SUCCESS);
+ ok1(!td.mismatch);
+ ok1(td.calls == NUM_RECORDS);
+ ok1(td.low == 0);
+ ok1(td.high == NUM_RECORDS - 1);
+ ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+
+ /* Now it's empty! */
+ ok1(ntdb_traverse(ntdb, NULL, NULL) == 0);
+
+ /* Re-add. */
+ ok1(store_records(ntdb));
+ ok1(ntdb_traverse(ntdb, NULL, NULL) == NUM_RECORDS);
+ ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+
+ /* Grow. This will cause us to be reshuffled. */
+ tgd.calls = 0;
+ tgd.num_large = 0;
+ tgd.mismatch = false;
+ tgd.error = NTDB_SUCCESS;
+ ok1(ntdb_traverse(ntdb, trav_grow, &tgd) > 1);
+ ok1(tgd.error == 0);
+ ok1(!tgd.mismatch);
+ ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+ ok1(tgd.num_large < tgd.calls);
+ diag("growing db: %u calls, %u repeats",
+ tgd.calls, tgd.num_large);
+
+ ntdb_close(ntdb);
+ }
+
+ ok1(tap_log_messages == 0);
+ return exit_status();
+}
projects / ccan / blobdiff