From patchwork Sun Oct 21 22:55:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sven Eckelmann X-Patchwork-Id: 17531 X-Patchwork-Delegate: sw@simonwunderlich.de Return-Path: X-Original-To: patchwork@open-mesh.org Delivered-To: patchwork@open-mesh.org Received: from open-mesh.org (localhost [IPv6:::1]) by open-mesh.org (Postfix) with ESMTP id F404C8310F; Mon, 22 Oct 2018 00:56:55 +0200 (CEST) Authentication-Results: open-mesh.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=narfation.org header.i=@narfation.org header.b="hfmk1ysO"; dkim-atps=neutral Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=79.140.41.39; helo=v3-1039.vlinux.de; envelope-from=sven@narfation.org; receiver= Received: from v3-1039.vlinux.de (narfation.org [79.140.41.39]) by open-mesh.org (Postfix) with ESMTPS id C3FEC83083 for ; Mon, 22 Oct 2018 00:56:08 +0200 (CEST) Received: from sven-desktop.home.narfation.org (p200300C593D704FD0000000000008096.dip0.t-ipconnect.de [IPv6:2003:c5:93d7:4fd::8096]) by v3-1039.vlinux.de (Postfix) with ESMTPSA id CCDEF110127; Mon, 22 Oct 2018 00:56:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=narfation.org; s=20121; t=1540162568; bh=8ktmEJjoaI0ucyCEnBGd6330z42fPgybijbCVfs0dAE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hfmk1ysOvgyKfKkMEX+AOKLIYxCGhdir5cbVp2ZNDS/NKfkbCBGpSAp1SJbF+3CKz LF3li/RGkqd+/7QbXQHfqePBFlJbeIw0oedqhDcF+Uv0CMD9UGKEYOigR6v6slevka ravN3A8SovadebpflxLsqhm9DAHnsRCs0qnPc468= From: Sven Eckelmann To: b.a.t.m.a.n@lists.open-mesh.org Date: Mon, 22 Oct 2018 00:55:06 +0200 Message-Id: <20181021225524.8155-21-sven@narfation.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181021225524.8155-1-sven@narfation.org> References: <20181021225524.8155-1-sven@narfation.org> MIME-Version: 1.0 Subject: [B.A.T.M.A.N.] [PATCH 20/38] batctl: Move dat_cache debug table to own file X-BeenThere: b.a.t.m.a.n@lists.open-mesh.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking Errors-To: b.a.t.m.a.n-bounces@lists.open-mesh.org Sender: "B.A.T.M.A.N" The netlink.c file contains to many different functions and mixes helper functions with actual command implementations. The debug table commands should be placed in separate files to better group the command specific code sections together. Signed-off-by: Sven Eckelmann --- Makefile | 1 + dat_cache.c | 145 ++++++++++++++++++++++++++++++++++++++++++++++++++++ debug.c | 9 ---- netlink.c | 96 ---------------------------------- netlink.h | 2 - 5 files changed, 146 insertions(+), 107 deletions(-) create mode 100644 dat_cache.c diff --git a/Makefile b/Makefile index cdc5948..648c7bc 100755 --- a/Makefile +++ b/Makefile @@ -35,6 +35,7 @@ ifeq ($(CONFIG_BATCTL_BISECT),y) OBJ += $(OBJ_BISECT) endif OBJ += claimtable.o +OBJ += dat_cache.o OBJ += debugfs.o OBJ += debug.o OBJ += functions.o diff --git a/dat_cache.c b/dat_cache.c new file mode 100644 index 0000000..39f8f18 --- /dev/null +++ b/dat_cache.c @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors: + * + * Marek Lindner + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA + * + * License-Filename: LICENSES/preferred/GPL-2.0 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "batadv_packet.h" +#include "batman_adv.h" +#include "bat-hosts.h" +#include "debug.h" +#include "functions.h" +#include "main.h" +#include "netlink.h" + +static const int dat_cache_mandatory[] = { + BATADV_ATTR_DAT_CACHE_IP4ADDRESS, + BATADV_ATTR_DAT_CACHE_HWADDRESS, + BATADV_ATTR_DAT_CACHE_VID, + BATADV_ATTR_LAST_SEEN_MSECS, +}; + +static int dat_cache_callback(struct nl_msg *msg, void *arg) +{ + int last_seen_msecs, last_seen_secs, last_seen_mins; + struct nlattr *attrs[BATADV_ATTR_MAX+1]; + struct nlmsghdr *nlh = nlmsg_hdr(msg); + struct print_opts *opts = arg; + struct bat_host *bat_host; + struct genlmsghdr *ghdr; + struct in_addr in_addr; + uint8_t *hwaddr; + int16_t vid; + char *addr; + + if (!genlmsg_valid_hdr(nlh, 0)) { + fputs("Received invalid data from kernel.\n", stderr); + exit(1); + } + + ghdr = nlmsg_data(nlh); + + if (ghdr->cmd != BATADV_CMD_GET_DAT_CACHE) + return NL_OK; + + if (nla_parse(attrs, BATADV_ATTR_MAX, genlmsg_attrdata(ghdr, 0), + genlmsg_len(ghdr), batadv_netlink_policy)) { + fputs("Received invalid data from kernel.\n", stderr); + exit(1); + } + + if (missing_mandatory_attrs(attrs, dat_cache_mandatory, + ARRAY_SIZE(dat_cache_mandatory))) { + fputs("Missing attributes from kernel\n", stderr); + exit(1); + } + + in_addr.s_addr = nla_get_u32(attrs[BATADV_ATTR_DAT_CACHE_IP4ADDRESS]); + addr = inet_ntoa(in_addr); + hwaddr = nla_data(attrs[BATADV_ATTR_DAT_CACHE_HWADDRESS]); + vid = nla_get_u16(attrs[BATADV_ATTR_DAT_CACHE_VID]); + + last_seen_msecs = nla_get_u32(attrs[BATADV_ATTR_LAST_SEEN_MSECS]); + last_seen_mins = last_seen_msecs / 60000; + last_seen_msecs = last_seen_msecs % 60000; + last_seen_secs = last_seen_msecs / 1000; + + if (opts->read_opt & MULTICAST_ONLY && !(addr[0] & 0x01)) + return NL_OK; + + if (opts->read_opt & UNICAST_ONLY && (addr[0] & 0x01)) + return NL_OK; + + printf(" * %15s ", addr); + + bat_host = bat_hosts_find_by_mac((char *)hwaddr); + if (!(opts->read_opt & USE_BAT_HOSTS) || !bat_host) + printf("%02x:%02x:%02x:%02x:%02x:%02x ", + hwaddr[0], hwaddr[1], hwaddr[2], + hwaddr[3], hwaddr[4], hwaddr[5]); + else + printf("%17s ", bat_host->name); + + printf("%4i %6i:%02i\n", + BATADV_PRINT_VID(vid), last_seen_mins, last_seen_secs); + + return NL_OK; +} + +static int netlink_print_dat_cache(char *mesh_iface, char *orig_iface, + int read_opts, float orig_timeout, + float watch_interval) +{ + char *header; + int ret; + + ret = asprintf(&header, "Distributed ARP Table (%s):\n%s\n", + mesh_iface, + " IPv4 MAC VID last-seen"); + + if (ret < 0) + return ret; + + ret = netlink_print_common(mesh_iface, orig_iface, read_opts, + orig_timeout, watch_interval, header, + BATADV_CMD_GET_DAT_CACHE, + dat_cache_callback); + + free(header); + return ret; +} + +static struct debug_table_data batctl_debug_table_dat_cache = { + .debugfs_name = DEBUG_DAT_CACHE, + .header_lines = 2, + .netlink_fn = netlink_print_dat_cache, +}; + +COMMAND_NAMED(DEBUGTABLE, dat_cache, "dc", handle_debug_table, + COMMAND_FLAG_MESH_IFACE, &batctl_debug_table_dat_cache, ""); diff --git a/debug.c b/debug.c index c8a2845..29c8252 100644 --- a/debug.c +++ b/debug.c @@ -251,15 +251,6 @@ static struct debug_table_data batctl_debug_table_transglobal = { COMMAND_NAMED(DEBUGTABLE, transglobal, "tg", handle_debug_table, COMMAND_FLAG_MESH_IFACE, &batctl_debug_table_transglobal, ""); -static struct debug_table_data batctl_debug_table_dat_cache = { - .debugfs_name = DEBUG_DAT_CACHE, - .header_lines = 2, - .netlink_fn = netlink_print_dat_cache, -}; - -COMMAND_NAMED(DEBUGTABLE, dat_cache, "dc", handle_debug_table, - COMMAND_FLAG_MESH_IFACE, &batctl_debug_table_dat_cache, ""); - static struct debug_table_data batctl_debug_table_nc_nodes = { .debugfs_name = DEBUG_NC_NODES, .header_lines = 0, diff --git a/netlink.c b/netlink.c index 4d3c6f8..42fe4a0 100644 --- a/netlink.c +++ b/netlink.c @@ -964,80 +964,6 @@ static int gateways_callback(struct nl_msg *msg, void *arg) return NL_OK; } -static const int dat_cache_mandatory[] = { - BATADV_ATTR_DAT_CACHE_IP4ADDRESS, - BATADV_ATTR_DAT_CACHE_HWADDRESS, - BATADV_ATTR_DAT_CACHE_VID, - BATADV_ATTR_LAST_SEEN_MSECS, -}; - -static int dat_cache_callback(struct nl_msg *msg, void *arg) -{ - int last_seen_msecs, last_seen_secs, last_seen_mins; - struct nlattr *attrs[BATADV_ATTR_MAX+1]; - struct nlmsghdr *nlh = nlmsg_hdr(msg); - struct print_opts *opts = arg; - struct bat_host *bat_host; - struct genlmsghdr *ghdr; - struct in_addr in_addr; - uint8_t *hwaddr; - int16_t vid; - char *addr; - - if (!genlmsg_valid_hdr(nlh, 0)) { - fputs("Received invalid data from kernel.\n", stderr); - exit(1); - } - - ghdr = nlmsg_data(nlh); - - if (ghdr->cmd != BATADV_CMD_GET_DAT_CACHE) - return NL_OK; - - if (nla_parse(attrs, BATADV_ATTR_MAX, genlmsg_attrdata(ghdr, 0), - genlmsg_len(ghdr), batadv_netlink_policy)) { - fputs("Received invalid data from kernel.\n", stderr); - exit(1); - } - - if (missing_mandatory_attrs(attrs, dat_cache_mandatory, - ARRAY_SIZE(dat_cache_mandatory))) { - fputs("Missing attributes from kernel\n", stderr); - exit(1); - } - - in_addr.s_addr = nla_get_u32(attrs[BATADV_ATTR_DAT_CACHE_IP4ADDRESS]); - addr = inet_ntoa(in_addr); - hwaddr = nla_data(attrs[BATADV_ATTR_DAT_CACHE_HWADDRESS]); - vid = nla_get_u16(attrs[BATADV_ATTR_DAT_CACHE_VID]); - - last_seen_msecs = nla_get_u32(attrs[BATADV_ATTR_LAST_SEEN_MSECS]); - last_seen_mins = last_seen_msecs / 60000; - last_seen_msecs = last_seen_msecs % 60000; - last_seen_secs = last_seen_msecs / 1000; - - if (opts->read_opt & MULTICAST_ONLY && !(addr[0] & 0x01)) - return NL_OK; - - if (opts->read_opt & UNICAST_ONLY && (addr[0] & 0x01)) - return NL_OK; - - printf(" * %15s ", addr); - - bat_host = bat_hosts_find_by_mac((char *)hwaddr); - if (!(opts->read_opt & USE_BAT_HOSTS) || !bat_host) - printf("%02x:%02x:%02x:%02x:%02x:%02x ", - hwaddr[0], hwaddr[1], hwaddr[2], - hwaddr[3], hwaddr[4], hwaddr[5]); - else - printf("%17s ", bat_host->name); - - printf("%4i %6i:%02i\n", - BATADV_PRINT_VID(vid), last_seen_mins, last_seen_secs); - - return NL_OK; -} - static const int mcast_flags_mandatory[] = { BATADV_ATTR_ORIG_ADDRESS, }; @@ -1315,28 +1241,6 @@ int netlink_print_gateways(char *mesh_iface, char *orig_iface, int read_opts, gateways_callback); } -int netlink_print_dat_cache(char *mesh_iface, char *orig_iface, int read_opts, - float orig_timeout, float watch_interval) -{ - char *header; - int ret; - - ret = asprintf(&header, "Distributed ARP Table (%s):\n%s\n", - mesh_iface, - " IPv4 MAC VID last-seen"); - - if (ret < 0) - return ret; - - ret = netlink_print_common(mesh_iface, orig_iface, read_opts, - orig_timeout, watch_interval, header, - BATADV_CMD_GET_DAT_CACHE, - dat_cache_callback); - - free(header); - return ret; -} - int netlink_print_mcast_flags(char *mesh_iface, char *orig_iface, int read_opts, float orig_timeout, float watch_interval) { diff --git a/netlink.h b/netlink.h index 514dfa3..7549838 100644 --- a/netlink.h +++ b/netlink.h @@ -51,8 +51,6 @@ int netlink_print_translocal(char *mesh_iface, char *orig_iface, int read_opt, float orig_timeout, float watch_interval); int netlink_print_gateways(char *mesh_iface, char *orig_iface, int read_opt, float orig_timeout, float watch_interval); -int netlink_print_dat_cache(char *mesh_iface, char *orig_iface, int read_opt, - float orig_timeout, float watch_interval); int netlink_print_mcast_flags(char *mesh_iface, char *orig_iface, int read_opt, float orig_timeout, float watch_interval);