This patch adds the new "-u" and "-m" options for the local and global translation table output to only display announced unicast or multicast mac addresses to enhance readability.
Signed-off-by: Linus Lüssing <[email protected]> --- debug.c | 32 +++++++++++++++++++++++++++++++- functions.c | 22 ++++++++++++++++++++++ functions.h | 2 ++ man/batctl.8 | 2 ++ 4 files changed, 57 insertions(+), 1 deletion(-) diff --git a/debug.c b/debug.c index 6836857..acf452b 100644 --- a/debug.c +++ b/debug.c @@ -91,6 +91,10 @@ static void debug_table_usage(int debug_table) if (debug_table == BATCTL_TABLE_ORIGINATORS) fprintf(stderr, " \t -t timeout interval - don't print originators not seen for x.y seconds \n"); + if (debug_table == BATCTL_TABLE_TRANSLOCAL || + debug_table == BATCTL_TABLE_TRANSGLOBAL) { + fprintf(stderr, " \t -u|-m print unicast or multicast mac addresses only\n"); + } } int handle_debug_table(char *mesh_iface, int debug_table, int argc, char **argv) @@ -102,7 +106,7 @@ int handle_debug_table(char *mesh_iface, int debug_table, int argc, char **argv) float watch_interval = 1; opterr = 0; - while ((optchar = getopt(argc, argv, "hnw:t:H")) != -1) { + while ((optchar = getopt(argc, argv, "hnw:t:Hum")) != -1) { switch (optchar) { case 'h': debug_table_usage(debug_table); @@ -138,6 +142,26 @@ int handle_debug_table(char *mesh_iface, int debug_table, int argc, char **argv) case 'H': read_opt |= SKIP_HEADER; break; + case 'u': + if (debug_table != BATCTL_TABLE_TRANSLOCAL && + debug_table != BATCTL_TABLE_TRANSGLOBAL) { + fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); + debug_table_usage(debug_table); + return EXIT_FAILURE; + } + + read_opt |= UNICAST_ONLY; + break; + case 'm': + if (debug_table != BATCTL_TABLE_TRANSLOCAL && + debug_table != BATCTL_TABLE_TRANSGLOBAL) { + fprintf(stderr, "Error - unrecognised option '-%c'\n", optchar); + debug_table_usage(debug_table); + return EXIT_FAILURE; + } + + read_opt |= MULTICAST_ONLY; + break; case '?': if (optopt == 't') fprintf(stderr, "Error - option '-t' needs a number as argument\n"); @@ -156,6 +180,12 @@ int handle_debug_table(char *mesh_iface, int debug_table, int argc, char **argv) } } + if (read_opt & UNICAST_ONLY && read_opt & MULTICAST_ONLY) { + fprintf(stderr, "Error - '-u' and '-m' are exclusive options\n"); + debug_table_usage(debug_table); + return EXIT_FAILURE; + } + debugfs_mnt = debugfs_mount(NULL); if (!debugfs_mnt) { fprintf(stderr, "Error - can't mount or find debugfs\n"); diff --git a/functions.c b/functions.c index 36804bd..117dcff 100644 --- a/functions.c +++ b/functions.c @@ -175,6 +175,14 @@ static void file_open_problem_dbg(const char *dir, const char *fname, } } +static int str_is_mcast_addr(char *addr) +{ + struct ether_addr *mac_addr = ether_aton(addr); + + return !mac_addr ? 0 : + mac_addr->ether_addr_octet[0] & 0x01; +} + int read_file(const char *dir, const char *fname, int read_opt, float orig_timeout, float watch_interval, size_t header_lines) { @@ -224,6 +232,20 @@ read: && (last_seen > orig_timeout)) continue; + /* translation table: skip multicast */ + if (line > header_lines && + read_opt & UNICAST_ONLY && + strlen(line_ptr) > strlen(" * xx:xx:xx:") && + str_is_mcast_addr(line_ptr+3)) + continue; + + /* translation table: skip unicast */ + if (line > header_lines && + read_opt & MULTICAST_ONLY && + strlen(line_ptr) > strlen(" * xx:xx:xx:") && + !str_is_mcast_addr(line_ptr+3)) + continue; + if (!(read_opt & USE_BAT_HOSTS)) { printf("%s", line_ptr); continue; diff --git a/functions.h b/functions.h index 14ba525..43c3d9c 100644 --- a/functions.h +++ b/functions.h @@ -57,6 +57,8 @@ enum { NO_OLD_ORIGS = 0x40, COMPAT_FILTER = 0x80, SKIP_HEADER = 0x100, + UNICAST_ONLY = 0x200, + MULTICAST_ONLY = 0x400, }; #endif diff --git a/man/batctl.8 b/man/batctl.8 index a8e8868..6b43d5e 100644 --- a/man/batctl.8 +++ b/man/batctl.8 @@ -178,6 +178,8 @@ All of the debug tables support the following options: The originator table also supports the "\-t" filter option to remove all originators from the output that have not been seen for the specified amount of seconds (with optional decimal places). +The local and global translation tables also support the "\-u" and "\-m" option to only display unicast or multicast translation table announcements respectively. + List of debug tables: .RS 10 \- originators|o -- 1.7.10.4
