/*
* dump_json_table_begin --
* Output the JSON syntax that starts a table, along with its config.
*/
static int
dump_json_table_begin(
WT_SESSION *session, WT_CURSOR *cursor, const char *uri, const char *config)
{
WT_DECL_RET;
const char *name;
char *jsonconfig, *stripped;
jsonconfig = NULL;
/* Get the table name. */
if ((name = strchr(uri, ':')) == NULL) {
fprintf(stderr, "%s: %s: corrupted uri\n", progname, uri);
return (1);
}
++name;
if ((ret =
__wt_session_create_strip(session, config, NULL, &stripped)) != 0)
return (util_err(ret, NULL));
ret = dup_json_string(stripped, &jsonconfig);
free(stripped);
if (ret != 0)
return (util_cerr(uri, "config dup", ret));
if (printf(" \"%s\" : [\n {\n", uri) < 0)
goto eio;
if (printf(" \"config\" : \"%s\",\n", jsonconfig) < 0)
goto eio;
if ((ret = dump_json_table_cg(
session, cursor, uri, name, "colgroup:", "colgroups")) == 0) {
if (printf(",\n") < 0)
goto eio;
ret = dump_json_table_cg(
session, cursor, uri, name, "index:", "indices");
}
if (printf("\n },\n {\n \"data\" : [") < 0)
goto eio;
if (0) {
eio: ret = util_err(EIO, NULL);
}
free(jsonconfig);
return (ret);
}
/*
* print_config --
* Output a key/value URI pair by combining v1 and v2.
*/
static int
print_config(WT_SESSION *session,
const char *key, const char *v1, const char *v2)
{
WT_DECL_RET;
const char *value_ret;
/*
* The underlying call will ignore v2 if v1 is NULL -- check here and
* swap in that case.
*/
if (v1 == NULL) {
v1 = v2;
v2 = NULL;
}
if ((ret = __wt_session_create_strip(session, v1, v2, &value_ret)) != 0)
return (util_err(ret, NULL));
ret = printf("%s\n%s\n", key, value_ret);
free((char *)value_ret);
if (ret < 0)
return (util_err(EIO, NULL));
return (0);
}
/*
* dump_json_table_cg --
* Dump the column groups or indices for a table.
*/
static int
dump_json_table_cg(WT_SESSION *session, WT_CURSOR *cursor,
const char *uri, const char *name, const char *entry, const char *header)
{
WT_DECL_RET;
const char *key, *skip, *value;
int exact, once;
char *jsonconfig, *stripped;
static const char * const indent = " ";
once = 0;
if (printf(" \"%s\" : [", header) < 0)
return (util_err(EIO, NULL));
/*
* For table dumps, we're done.
*/
if (cursor == NULL) {
if (printf("]") < 0)
return (util_err(EIO, NULL));
else
return (0);
}
/*
* Search the file looking for column group and index key/value pairs:
* for each one, look up the related source information and append it
* to the base record.
*/
cursor->set_key(cursor, entry);
if ((ret = cursor->search_near(cursor, &exact)) != 0) {
if (ret == WT_NOTFOUND)
return (0);
return (util_cerr(uri, "search_near", ret));
}
if (exact >= 0)
goto match;
while ((ret = cursor->next(cursor)) == 0) {
match: if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(uri, "get_key", ret));
/* Check if we've finished the list of entries. */
if (!WT_PREFIX_MATCH(key, entry))
break;
/* Check for a table name match. */
skip = key + strlen(entry);
if (strncmp(
skip, name, strlen(name)) != 0 || skip[strlen(name)] != ':')
continue;
/* Get the value. */
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(uri, "get_value", ret));
if ((ret = __wt_session_create_strip(
session, value, NULL, &stripped)) != 0)
return (util_err(ret, NULL));
ret = dup_json_string(stripped, &jsonconfig);
free(stripped);
if (ret != 0)
return (util_cerr(uri, "config dup", ret));
ret = printf("%s\n"
"%s{\n"
"%s \"uri\" : \"%s\",\n"
"%s \"config\" : \"%s\"\n"
"%s}",
(once == 0 ? "" : ","),
indent, indent, key, indent, jsonconfig, indent);
free(jsonconfig);
if (ret < 0)
return (util_err(EIO, NULL));
once = 1;
}
if (printf("%s]", (once == 0 ? "" : "\n ")) < 0)
return (util_err(EIO, NULL));
if (ret == 0 || ret == WT_NOTFOUND)
return (0);
return (util_cerr(uri, "next", ret));
}