diff options
Diffstat (limited to 'VNFs/DPPD-PROX/main.c')
| -rw-r--r-- | VNFs/DPPD-PROX/main.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/VNFs/DPPD-PROX/main.c b/VNFs/DPPD-PROX/main.c index 4a9ee881..e4663fee 100644 --- a/VNFs/DPPD-PROX/main.c +++ b/VNFs/DPPD-PROX/main.c @@ -18,6 +18,7 @@ #include <locale.h> #include <unistd.h> #include <signal.h> +#include <curses.h> #include <rte_cycles.h> #include <rte_atomic.h> @@ -1117,6 +1118,40 @@ static void sigterm_handler(int signum) quit(); } +static void set_term_env(void) +{ + static const char var[] = "TERM"; + static char str[] = "TERM=putty"; + char *old_value, *new_value; + int max_ver = 0, min_ver = 0, n; + + old_value = getenv(var); + + const char *ncurses_version = curses_version(); + n = sscanf(ncurses_version, "ncurses %d.%d", &max_ver, &min_ver); + if (n != 2) { + plog_info("\tUnable to extract ncurses version from %s. TERM left unchanged to %s\n", ncurses_version, old_value); + return; + } else { + plog_info("\tncurses version = %d.%d (%s)\n", max_ver, min_ver, ncurses_version); + } + + if (((max_ver > 6) || ((max_ver == 6) && (min_ver >= 1))) && (strcmp(old_value, "xterm") == 0)) { + // On recent OSes such as RHEL 8.0, ncurses(6.1) introduced support + // for ECMA-48 repeat character control. + // Some terminal emulators use TERM=xterm but do not support this feature. + // In this case, printing repeating character such as "22000000 Hz" might + // display as 220 Hz. + // Other emulattors, such as tmux, use TERM=screen, and do not exhibit the issue. + plog_info("\tChanged TERM from %s ", old_value); + putenv(str); + new_value = getenv(var); + plog_info("to %s\n", new_value); + } else { + plog_info("\tTERM left unchanged to %s\n", old_value); + } +} + int main(int argc, char **argv) { /* set en_US locale to print big numbers with ',' */ @@ -1125,10 +1160,10 @@ int main(int argc, char **argv) if (prox_parse_args(argc, argv) != 0){ prox_usage(argv[0]); } - plog_init(prox_cfg.log_name, prox_cfg.log_name_pid); plog_info("=== " PROGRAM_NAME " %s ===\n", VERSION_STR()); plog_info("\tUsing DPDK %s\n", rte_version() + sizeof(RTE_VER_PREFIX)); + set_term_env(); read_rdt_info(); if (prox_cfg.flags & DSF_LIST_TASK_MODES) { |