diff options
Diffstat (limited to 'tipc/nametable.c')
-rw-r--r-- | tipc/nametable.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tipc/nametable.c b/tipc/nametable.c new file mode 100644 index 0000000..b09ed5f --- /dev/null +++ b/tipc/nametable.c @@ -0,0 +1,122 @@ +/* + * nametable.c TIPC nametable functionality. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Authors: Richard Alpe <richard.alpe@ericsson.com> + */ + +#include <stdio.h> +#include <errno.h> + +#include <linux/tipc_netlink.h> +#include <linux/tipc.h> +#include <linux/genetlink.h> + +#include "cmdl.h" +#include "msg.h" +#include "nametable.h" +#include "misc.h" +#include "utils.h" + +#define PORTID_STR_LEN 45 /* Four u32 and five delimiter chars */ + +static int nametable_show_cb(const struct nlmsghdr *nlh, void *data) +{ + int *iteration = data; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *info[TIPC_NLA_MAX + 1] = {}; + struct nlattr *attrs[TIPC_NLA_NAME_TABLE_MAX + 1] = {}; + struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1] = {}; + const char *scope[] = { "", "zone", "cluster", "node" }; + char str[33] = {0,}; + + mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); + if (!info[TIPC_NLA_NAME_TABLE]) + return MNL_CB_ERROR; + + mnl_attr_parse_nested(info[TIPC_NLA_NAME_TABLE], parse_attrs, attrs); + if (!attrs[TIPC_NLA_NAME_TABLE_PUBL]) + return MNL_CB_ERROR; + + mnl_attr_parse_nested(attrs[TIPC_NLA_NAME_TABLE_PUBL], parse_attrs, publ); + if (!publ[TIPC_NLA_NAME_TABLE_PUBL]) + return MNL_CB_ERROR; + + if (!*iteration && !is_json_context()) + printf("%-10s %-10s %-10s %-8s %-10s %-33s\n", + "Type", "Lower", "Upper", "Scope", "Port", + "Node"); + (*iteration)++; + + hash2nodestr(mnl_attr_get_u32(publ[TIPC_NLA_PUBL_NODE]), str); + + open_json_object(NULL); + print_uint(PRINT_ANY, "type", "%-10u", + mnl_attr_get_u32(publ[TIPC_NLA_PUBL_TYPE])); + print_string(PRINT_FP, NULL, " ", ""); + print_uint(PRINT_ANY, "lower", "%-10u", + mnl_attr_get_u32(publ[TIPC_NLA_PUBL_LOWER])); + print_string(PRINT_FP, NULL, " ", ""); + print_uint(PRINT_ANY, "upper", "%-10u", + mnl_attr_get_u32(publ[TIPC_NLA_PUBL_UPPER])); + print_string(PRINT_FP, NULL, " ", ""); + print_string(PRINT_ANY, "scope", "%-8s", + scope[mnl_attr_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]); + print_string(PRINT_FP, NULL, " ", ""); + print_uint(PRINT_ANY, "port", "%-10u", + mnl_attr_get_u32(publ[TIPC_NLA_PUBL_REF])); + print_string(PRINT_FP, NULL, " ", ""); + print_string(PRINT_ANY, "node", "%s", str); + print_string(PRINT_FP, NULL, "\n", ""); + close_json_object(); + + return MNL_CB_OK; +} + +static int cmd_nametable_show(struct nlmsghdr *nlh, const struct cmd *cmd, + struct cmdl *cmdl, void *data) +{ + int iteration = 0; + int rc = 0; + + if (help_flag) { + fprintf(stderr, "Usage: %s nametable show\n", cmdl->argv[0]); + return -EINVAL; + } + + nlh = msg_init(TIPC_NL_NAME_TABLE_GET); + if (!nlh) { + fprintf(stderr, "error, message initialisation failed\n"); + return -1; + } + + new_json_obj(json); + rc = msg_dumpit(nlh, nametable_show_cb, &iteration); + delete_json_obj(); + + return rc; +} + +void cmd_nametable_help(struct cmdl *cmdl) +{ + fprintf(stderr, + "Usage: %s nametable COMMAND\n\n" + "COMMANDS\n" + " show - Show nametable\n", + cmdl->argv[0]); +} + +int cmd_nametable(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl, + void *data) +{ + const struct cmd cmds[] = { + { "show", cmd_nametable_show, NULL }, + { NULL } + }; + + return run_cmd(nlh, cmd, cmds, cmdl, NULL); +} |