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monitor: Print out relative timestamp offset for each packet

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This commit is contained in:
Marcel Holtmann 2014-08-12 17:40:51 -07:00
parent 2749e4e4a2
commit b97c661a97
1 changed files with 96 additions and 2 deletions
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98
monitor/nlmon.c
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@ -45,6 +45,8 @@
#include "monitor/display.h"
#include "monitor/nlmon.h"
#define COLOR_TIMESTAMP COLOR_YELLOW
#define COLOR_REQUEST COLOR_BLUE
#define COLOR_RESPONSE COLOR_MAGENTA
#define COLOR_COMPLETE COLOR_MAGENTA
@ -81,6 +83,14 @@ static void nlmon_req_free(void *data)
l_free(req);
}
static time_t time_offset = ((time_t) -1);
static inline void update_time_offset(const struct timeval *tv)
{
if (tv && time_offset == ((time_t) -1))
time_offset = tv->tv_sec;
}
#define print_indent(indent, color1, prefix, title, color2, fmt, args...) \
do { \
printf("%*c%s%s%s%s" fmt "%s\n", (indent), ' ', \
@ -103,12 +113,90 @@ do { \
print_indent(4 + (level) * 4, COLOR_OFF, "", "", color, \
fmt, ## args)
#define print_space(x) printf("%*c", (x), ' ');
static void print_packet(const struct timeval *tv, char ident,
const char *color, const char *label,
const char *text, const char *extra)
{
printf("%s%c %s: %s%s %s\n", use_color() ? color : "", ident, label,
text, use_color() ? COLOR_OFF : "" ,extra);
int col = num_columns();
char line[256], ts_str[64];
int n, ts_len = 0, ts_pos = 0, len = 0, pos = 0;
if (tv) {
if (use_color()) {
n = sprintf(ts_str + ts_pos, "%s", COLOR_TIMESTAMP);
if (n > 0)
ts_pos += n;
}
n = sprintf(ts_str + ts_pos, " %lu.%06lu",
tv->tv_sec - time_offset, tv->tv_usec);
if (n > 0) {
ts_pos += n;
ts_len += n;
}
}
if (use_color()) {
n = sprintf(ts_str + ts_pos, "%s", COLOR_OFF);
if (n > 0)
ts_pos += n;
}
if (use_color()) {
n = sprintf(line + pos, "%s", color);
if (n > 0)
pos += n;
}
n = sprintf(line + pos, "%c %s", ident, label);
if (n > 0) {
pos += n;
len += n;
}
if (text) {
int extra_len = extra ? strlen(extra) : 0;
int max_len = col - len - extra_len - ts_len - 3;
n = snprintf(line + pos, max_len + 1, ": %s", text);
if (n > max_len) {
line[pos + max_len - 1] = '.';
line[pos + max_len - 2] = '.';
if (line[pos + max_len - 3] == ' ')
line[pos + max_len - 3] = '.';
n = max_len;
}
if (n > 0) {
pos += n;
len += n;
}
}
if (use_color()) {
n = sprintf(line + pos, "%s", COLOR_OFF);
if (n > 0)
pos += n;
}
if (extra) {
n = sprintf(line + pos, " %s", extra);
if (n > 0) {
pos += n;
len += n;
}
}
if (ts_len > 0) {
printf("%s", line);
if (len < col)
print_space(col - len - ts_len - 1);
printf("%s%s\n", use_color() ? COLOR_TIMESTAMP : "", ts_str);
} else
printf("%s\n", line);
}
static void print_hexdump(unsigned int level,
@ -1554,6 +1642,8 @@ void nlmon_print_rtnl(struct nlmon *nlmon, const struct timeval *tv,
uint32_t aligned_size = NLMSG_ALIGN(size);
const struct nlmsghdr *nlmsg;
update_time_offset(tv);
for (nlmsg = data; NLMSG_OK(nlmsg, aligned_size);
nlmsg = NLMSG_NEXT(nlmsg, aligned_size)) {
const struct ifinfomsg *ifi;
@ -1638,6 +1728,8 @@ void nlmon_print_genl(struct nlmon *nlmon, const struct timeval *tv,
{
const struct nlmsghdr *nlmsg;
update_time_offset(tv);
for (nlmsg = data; NLMSG_OK(nlmsg, size);
nlmsg = NLMSG_NEXT(nlmsg, size)) {
if (nlmsg->nlmsg_type == GENL_ID_CTRL)
@ -1786,6 +1878,8 @@ void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
char extra_str[16];
const char *str;
update_time_offset(tv);
sprintf(extra_str, "len %u", size);
print_packet(tv, (type == PACKET_HOST) ? '>' : '<',