/*
* config_setup --
* Initialize configuration for a run.
*/
void
config_setup(void)
{
CONFIG *cp;
/* Clear any temporary values. */
config_clear();
/*
* Choose a data source type and a file type: they're interrelated (LSM
* trees are only compatible with row-store) and other items depend on
* them.
*/
if (!config_find_is_perm("data_source", strlen("data_source")))
switch (MMRAND(0, 2)) {
case 0:
config_single("data_source=file", 0);
break;
case 1:
#if 0
config_single("data_source=lsm", 0);
break;
#endif
case 2:
config_single("data_source=table", 0);
break;
}
if (!config_find_is_perm("file_type", strlen("file_type"))) {
if (strcmp(g.c_data_source, "lsm") == 0)
config_single("file_type=row", 0);
else
switch (MMRAND(0, 2)) {
case 0:
config_single("file_type=fix", 0);
break;
case 1:
config_single("file_type=var", 0);
break;
case 2:
config_single("file_type=row", 0);
break;
}
}
g.type = config_translate(g.c_file_type);
/*
* If data_source and file_type were both "permanent", we may still
* have a mismatch.
*/
if (g.type != ROW && strcmp(g.c_data_source, "lsm") == 0) {
fprintf(stderr,
"%s: lsm data_source is only compatible with row file_type\n",
g.progname);
exit(EXIT_FAILURE);
}
/* Build the object name. */
if ((g.uri = malloc(
strlen(g.c_data_source) + strlen(WT_NAME) + 2)) == NULL)
syserr("malloc");
strcpy(g.uri, g.c_data_source);
strcat(g.uri, ":");
strcat(g.uri, WT_NAME);
/* Default single-threaded half of the time. */
cp = config_find("threads", strlen("threads"));
if (!(cp->flags & C_PERM))
*cp->v = MMRAND(0, 1) ? 1: CONF_RAND(cp);
/* Fill in random values for the rest of the run. */
for (cp = c; cp->name != NULL; ++cp) {
if (cp->flags & (C_IGNORE | C_PERM | C_TEMP))
continue;
/*
* Boolean flags are 0 or 1, but only set N in 100 where the
* variable's min value is N. Set the flag if we rolled >=
* the min, 0 otherwise.
*/
if (cp->flags & C_BOOL)
*cp->v = MMRAND(1, 100) <= cp->min ? 1 : 0;
else
*cp->v = CONF_RAND(cp);
}
config_compression();
/* Clear operations values if the whole run is read-only. */
if (g.c_ops == 0)
for (cp = c; cp->name != NULL; ++cp)
if (cp->flags & C_OPS)
*cp->v = 0;
/* Multi-threaded runs cannot be replayed. */
if (g.replay && !SINGLETHREADED)
die(0, "-r is incompatible with threaded runs");
/*
* Periodically, set the delete percentage to 0 so salvage gets run,
* as long as the delete percentage isn't nailed down.
*/
if (!g.replay && g.run_cnt % 10 == 0) {
cp = config_find("delete_pct", strlen("delete_pct"));
if (cp->name != NULL &&
!(cp->flags & (C_IGNORE | C_PERM | C_TEMP)))
g.c_delete_pct = 0;
}
/* Reset the key count. */
g.key_cnt = 0;
}
/*
* config_setup --
* Initialize configuration for a run.
*/
void
config_setup(void)
{
CONFIG *cp;
/* Clear any temporary values. */
config_clear();
/*
* Choose a data source type and a file type: they're interrelated (LSM
* trees are only compatible with row-store) and other items depend on
* them.
*/
if (!config_find_is_perm("data_source", strlen("data_source")))
switch (MMRAND(1, 3)) {
case 1:
config_single("data_source=file", 0);
break;
case 2:
config_single("data_source=lsm", 0);
break;
case 3:
config_single("data_source=table", 0);
break;
}
if (!config_find_is_perm("file_type", strlen("file_type")))
switch (DATASOURCE("lsm") ? 3 : MMRAND(1, 3)) {
case 1:
config_single("file_type=fix", 0);
break;
case 2:
config_single("file_type=var", 0);
break;
case 3:
config_single("file_type=row", 0);
break;
}
config_map_file_type(g.c_file_type, &g.type);
/*
* If data_source and file_type were both "permanent", we may still
* have a mismatch.
*/
if (DATASOURCE("lsm") && g.type != ROW) {
fprintf(stderr,
"%s: lsm data_source is only compatible with row file_type\n",
g.progname);
exit(EXIT_FAILURE);
}
/*
* Build the top-level object name: we're overloading data_source in
* our configuration, LSM or KVS devices are "tables", but files are
* tested as well.
*/
if ((g.uri = malloc(256)) == NULL)
syserr("malloc");
strcpy(g.uri, DATASOURCE("file") ? "file:" : "table:");
if (DATASOURCE("helium"))
strcat(g.uri, "dev1/");
strcat(g.uri, WT_NAME);
/* Default single-threaded 10% of the time. */
cp = config_find("threads", strlen("threads"));
if (!(cp->flags & C_PERM))
*cp->v = MMRAND(1, 100) < 10 ? 1: CONF_RAND(cp);
/* Fill in random values for the rest of the run. */
for (cp = c; cp->name != NULL; ++cp) {
if (cp->flags & (C_IGNORE | C_PERM | C_TEMP))
continue;
/*
* Boolean flags are 0 or 1, but only set N in 100 where the
* variable's min value is N. Set the flag if we rolled >=
* the min, 0 otherwise.
*/
if (cp->flags & C_BOOL)
*cp->v = MMRAND(1, 100) <= cp->min ? 1 : 0;
else
*cp->v = CONF_RAND(cp);
}
/* Required shared libraries. */
if (DATASOURCE("helium") && access(HELIUM_PATH, R_OK) != 0)
die(errno, "Levyx/helium shared library: %s", HELIUM_PATH);
if (DATASOURCE("kvsbdb") && access(KVS_BDB_PATH, R_OK) != 0)
die(errno, "kvsbdb shared library: %s", KVS_BDB_PATH);
/* Some data-sources don't support user-specified collations. */
if (DATASOURCE("helium") || DATASOURCE("kvsbdb"))
g.c_reverse = 0;
config_checksum();
config_compression();
/* Clear operations values if the whole run is read-only. */
if (g.c_ops == 0)
for (cp = c; cp->name != NULL; ++cp)
if (cp->flags & C_OPS)
*cp->v = 0;
/*
* Periodically, set the delete percentage to 0 so salvage gets run,
* as long as the delete percentage isn't nailed down.
*/
if (!g.replay && g.run_cnt % 10 == 0) {
cp = config_find("delete_pct", strlen("delete_pct"));
if (cp->name != NULL &&
!(cp->flags & (C_IGNORE | C_PERM | C_TEMP)))
g.c_delete_pct = 0;
}
/*
* If this is an LSM run, set the cache size and crank up the insert
* percentage.
*/
if (DATASOURCE("lsm")) {
cp = config_find("cache", strlen("cache"));
if (!(cp->flags & C_PERM))
g.c_cache = 30 * g.c_chunk_size;
cp = config_find("insert_pct", strlen("insert_pct"));
if (cp->name != NULL &&
!(cp->flags & (C_IGNORE | C_PERM | C_TEMP)))
g.c_insert_pct = MMRAND(50, 85);
}
/*
* Key/value minimum/maximum are related, correct unless specified by
* the configuration.
*/
cp = config_find("key_min", strlen("key_min"));
if (!(cp->flags & C_PERM) && g.c_key_min > g.c_key_max)
g.c_key_min = g.c_key_max;
cp = config_find("key_max", strlen("key_max"));
if (!(cp->flags & C_PERM) && g.c_key_max < g.c_key_min)
g.c_key_max = g.c_key_min;
if (g.c_key_min > g.c_key_max)
die(EINVAL, "key_min may not be larger than key_max");
cp = config_find("value_min", strlen("value_min"));
if (!(cp->flags & C_PERM) && g.c_value_min > g.c_value_max)
g.c_value_min = g.c_value_max;
cp = config_find("value_max", strlen("value_max"));
if (!(cp->flags & C_PERM) && g.c_value_max < g.c_value_min)
g.c_value_max = g.c_value_min;
if (g.c_value_min > g.c_value_max)
die(EINVAL, "value_min may not be larger than value_max");
/* Reset the key count. */
g.key_cnt = 0;
}
