tdb: delete from CCAN.

[ccan] / ccan / tdb / test / run-open-during-transaction.c

diff --git a/ccan/tdb/test/run-open-during-transaction.c b/ccan/tdb/test/run-open-during-transaction.c
deleted file mode 100644 (file)
index e7feb03..0000000
--- a/ccan/tdb/test/run-open-during-transaction.c
+++ /dev/null
@@ -1,186 +0,0 @@
-#define _XOPEN_SOURCE 500
-#include <unistd.h>
-#include "lock-tracking.h"
-
-static ssize_t pwrite_check(int fd, const void *buf, size_t count, off_t offset);
-static ssize_t write_check(int fd, const void *buf, size_t count);
-static int ftruncate_check(int fd, off_t length);
-
-#define pwrite pwrite_check
-#define write write_check
-#define fcntl fcntl_with_lockcheck
-#define ftruncate ftruncate_check
-
-#include <ccan/tdb/tdb.h>
-#include <ccan/tdb/io.c>
-#include <ccan/tdb/tdb.c>
-#include <ccan/tdb/lock.c>
-#include <ccan/tdb/freelist.c>
-#include <ccan/tdb/traverse.c>
-#include <ccan/tdb/transaction.c>
-#include <ccan/tdb/error.c>
-#include <ccan/tdb/open.c>
-#include <ccan/tdb/check.c>
-#include <ccan/tdb/hash.c>
-#include <ccan/tap/tap.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <stdarg.h>
-#include <err.h>
-#include "external-agent.h"
-#include "logging.h"
-
-static struct agent *agent;
-static bool opened;
-static int errors = 0;
-static bool clear_if_first;
-#define TEST_DBNAME "run-open-during-transaction.tdb"
-
-#undef write
-#undef pwrite
-#undef fcntl
-#undef ftruncate
-
-static bool is_same(const char *snapshot, const char *latest, off_t len)
-{
-       unsigned i;
-
-       for (i = 0; i < len; i++) {
-               if (snapshot[i] != latest[i])
-                       return false;
-       }
-       return true;
-}
-
-static bool compare_file(int fd, const char *snapshot, off_t snapshot_len)
-{
-       char *contents;
-       bool same;
-
-       /* over-length read serves as length check. */
-       contents = malloc(snapshot_len+1);
-       same = pread(fd, contents, snapshot_len+1, 0) == snapshot_len
-               && is_same(snapshot, contents, snapshot_len);
-       free(contents);
-       return same;
-}
-
-static void check_file_intact(int fd)
-{
-       enum agent_return ret;
-       struct stat st;
-       char *contents;
-
-       fstat(fd, &st);
-       contents = malloc(st.st_size);
-       if (pread(fd, contents, st.st_size, 0) != st.st_size) {
-               diag("Read fail");
-               errors++;
-               return;
-       }
-
-       /* Ask agent to open file. */
-       ret = external_agent_operation(agent, clear_if_first ?
-                                      OPEN_WITH_CLEAR_IF_FIRST :
-                                      OPEN,
-                                      TEST_DBNAME);
-
-       /* It's OK to open it, but it must not have changed! */
-       if (!compare_file(fd, contents, st.st_size)) {
-               diag("Agent changed file after opening %s",
-                    agent_return_name(ret));
-               errors++;
-       }
-
-       if (ret == SUCCESS) {
-               ret = external_agent_operation(agent, CLOSE, NULL);
-               if (ret != SUCCESS) {
-                       diag("Agent failed to close tdb: %s",
-                            agent_return_name(ret));
-                       errors++;
-               }
-       } else if (ret != WOULD_HAVE_BLOCKED) {
-               diag("Agent opening file gave %s",
-                    agent_return_name(ret));
-               errors++;
-       }
-
-       free(contents);
-}
-
-static void after_unlock(int fd)
-{
-       if (opened)
-               check_file_intact(fd);
-}
-       
-static ssize_t pwrite_check(int fd,
-                           const void *buf, size_t count, off_t offset)
-{
-       if (opened)
-               check_file_intact(fd);
-
-       return pwrite(fd, buf, count, offset);
-}
-
-static ssize_t write_check(int fd, const void *buf, size_t count)
-{
-       if (opened)
-               check_file_intact(fd);
-
-       return write(fd, buf, count);
-}
-
-static int ftruncate_check(int fd, off_t length)
-{
-       if (opened)
-               check_file_intact(fd);
-
-       return ftruncate(fd, length);
-
-}
-
-int main(int argc, char *argv[])
-{
-       const int flags[] = { TDB_DEFAULT,
-                             TDB_CLEAR_IF_FIRST,
-                             TDB_NOMMAP, 
-                             TDB_CLEAR_IF_FIRST | TDB_NOMMAP };
-       int i;
-       struct tdb_context *tdb;
-       TDB_DATA key, data;
-
-       plan_tests(20);
-       agent = prepare_external_agent();
-       if (!agent)
-               err(1, "preparing agent");
-
-       unlock_callback = after_unlock;
-       for (i = 0; i < sizeof(flags)/sizeof(flags[0]); i++) {
-               clear_if_first = (flags[i] & TDB_CLEAR_IF_FIRST);
-               diag("Test with %s and %s\n",
-                    clear_if_first ? "CLEAR" : "DEFAULT",
-                    (flags[i] & TDB_NOMMAP) ? "no mmap" : "mmap");
-               unlink(TEST_DBNAME);
-               tdb = tdb_open_ex(TEST_DBNAME, 1024, flags[i],
-                                 O_CREAT|O_TRUNC|O_RDWR, 0600,
-                                 &taplogctx, NULL);
-               ok1(tdb);
-
-               opened = true;
-               ok1(tdb_transaction_start(tdb) == 0);
-               key.dsize = strlen("hi");
-               key.dptr = (void *)"hi";
-               data.dptr = (void *)"world";
-               data.dsize = strlen("world");
-
-               ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
-               ok1(tdb_transaction_commit(tdb) == 0);
-               ok(!errors, "We had %u open errors", errors);
-
-               opened = false;
-               tdb_close(tdb);
-       }
-
-       return exit_status();
-}