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-rw-r--r--flowtop.c245
-rw-r--r--flowtop/Makefile1
2 files changed, 141 insertions, 105 deletions
diff --git a/flowtop.c b/flowtop.c
index 402d4bc..32459aa 100644
--- a/flowtop.c
+++ b/flowtop.c
@@ -28,6 +28,7 @@
#include <fcntl.h>
#include <arpa/inet.h>
+#include "ui.h"
#include "die.h"
#include "xmalloc.h"
#include "conntrack.h"
@@ -139,6 +140,21 @@ static bool resolve_geoip = true;
static enum rate_units rate_type = RATE_BYTES;
static bool show_active_only = false;
+enum tbl_flow_col {
+ TBL_FLOW_PROCESS,
+ TBL_FLOW_PID,
+ TBL_FLOW_PROTO,
+ TBL_FLOW_STATE,
+ TBL_FLOW_TIME,
+ TBL_FLOW_ADDRESS,
+ TBL_FLOW_PORT,
+ TBL_FLOW_GEO,
+ TBL_FLOW_BYTES,
+ TBL_FLOW_RATE,
+};
+
+static struct ui_table flows_tbl;
+
static const char *short_options = "vhTUsDIS46ut:nGb";
static const struct option long_options[] = {
{"ipv4", no_argument, NULL, '4'},
@@ -878,127 +894,134 @@ static char *time2str(uint64_t tstamp, char *str, size_t len)
return str;
}
-static void print_flow_peer_info(const struct flow_entry *n, int y, int x,
- enum flow_direction dir)
+
+static const char *flow_state2str(const struct flow_entry *n)
{
- int counters_color = COLOR(YELLOW, BLACK);
- int src_color = COLOR(RED, BLACK);
- int dst_color = COLOR(BLUE, BLACK);
- int country_color = COLOR(GREEN, BLACK);
- int port_color = A_BOLD;
- const char *str = NULL;
- uint16_t port = 0;
- char tmp[128];
+ switch (n->l4_proto) {
+ case IPPROTO_TCP:
+ return tcp_state2str[n->tcp_state];
+ case IPPROTO_SCTP:
+ return sctp_state2str[n->sctp_state];
+ case IPPROTO_DCCP:
+ return dccp_state2str[n->dccp_state];
- if (show_src && dir == FLOW_DIR_SRC) {
- country_color = counters_color = src_color;
- port_color |= src_color;
- } else if (show_src && FLOW_DIR_DST) {
- country_color = counters_color = dst_color;
- port_color |= dst_color;
+ case IPPROTO_UDP:
+ case IPPROTO_UDPLITE:
+ case IPPROTO_ICMP:
+ case IPPROTO_ICMPV6:
+ default:
+ return "";
}
+}
- mvprintw(y, x, "");
-
- /* Reverse DNS/IP */
- attron(dir == FLOW_DIR_SRC ? src_color : dst_color);
- printw(" %-*.*s", 50, 50, SELFLD(dir, rev_dns_src, rev_dns_dst));
- attroff(dir == FLOW_DIR_SRC ? src_color : dst_color);
+static char *flow_port2str(const struct flow_entry *n, char *str, size_t len,
+ enum flow_direction dir)
+{
+ const char *tmp = NULL;
+ uint16_t port = 0;
- /* Application port */
port = SELFLD(dir, port_src, port_dst);
- str = NULL;
+ tmp = NULL;
switch (n->l4_proto) {
case IPPROTO_TCP:
- str = lookup_port_tcp(port);
+ tmp = lookup_port_tcp(port);
break;
case IPPROTO_UDP:
case IPPROTO_UDPLITE:
- str = lookup_port_udp(port);
+ tmp = lookup_port_udp(port);
break;
}
- if (!str && port)
- slprintf(tmp, sizeof(tmp), "%d", port);
+ if (!tmp && port)
+ slprintf(str, len, "%d", port);
else
- slprintf(tmp, sizeof(tmp), "%s", str ? str : "");
+ slprintf(str, len, "%s", tmp ? tmp : "");
+
+ return str;
+}
+
+static void print_flow_peer_info(const struct flow_entry *n, enum flow_direction dir)
+{
+ int counters_color = COLOR(YELLOW, BLACK);
+ int src_color = COLOR(RED, BLACK);
+ int dst_color = COLOR(BLUE, BLACK);
+ int country_color = COLOR(GREEN, BLACK);
+ int addr_color = dst_color;
+ int port_color = A_BOLD;
+ char tmp[128];
+
+ if (show_src && dir == FLOW_DIR_SRC) {
+ country_color = src_color;
+ counters_color = src_color;
+ port_color |= src_color;
+ addr_color = src_color;
+ } else if (show_src && FLOW_DIR_DST) {
+ country_color = dst_color;
+ counters_color = dst_color;
+ port_color |= dst_color;
+ addr_color = dst_color;
+ }
+
+ ui_table_col_color_set(&flows_tbl, TBL_FLOW_ADDRESS, addr_color);
+ ui_table_col_color_set(&flows_tbl, TBL_FLOW_PORT, port_color);
+ ui_table_col_color_set(&flows_tbl, TBL_FLOW_GEO, country_color);
+ ui_table_col_color_set(&flows_tbl, TBL_FLOW_BYTES, counters_color);
+ ui_table_col_color_set(&flows_tbl, TBL_FLOW_RATE, counters_color);
+
+ /* Reverse DNS/IP */
+ ui_table_row_print(&flows_tbl, TBL_FLOW_ADDRESS,
+ SELFLD(dir, rev_dns_src, rev_dns_dst));
- attron(port_color);
- printw(" %-*.*s", 8, 8, tmp);
- attroff(port_color);
+ /* Application port */
+ ui_table_row_print(&flows_tbl, TBL_FLOW_PORT,
+ flow_port2str(n, tmp, sizeof(tmp), dir));
- /* Country code */
- attron(country_color);
- printw(" %-*.*s", 3, 3, SELFLD(dir, country_code_src, country_code_dst));
- attroff(country_color);
+ /* GEO */
+ ui_table_row_print(&flows_tbl, TBL_FLOW_GEO,
+ SELFLD(dir, country_code_src, country_code_dst));
/* Bytes */
- attron(counters_color);
- printw(" %*.*s", 10, 10,
- bandw2str(SELFLD(dir, bytes_src, bytes_dst),
- tmp, sizeof(tmp) - 1));
- attroff(counters_color);
-
- /* Rate */
- attron(counters_color);
- printw(" %*.*s", 10, 10,
- rate2str(SELFLD(dir, rate_bytes_src, rate_bytes_dst),
- tmp, sizeof(tmp) - 1));
- attroff(counters_color);
+ ui_table_row_print(&flows_tbl, TBL_FLOW_BYTES,
+ bandw2str(SELFLD(dir, bytes_src, bytes_dst),
+ tmp, sizeof(tmp) - 1));
+
+ /* Rate bytes */
+ ui_table_row_print(&flows_tbl, TBL_FLOW_RATE,
+ rate2str(SELFLD(dir, rate_bytes_src, rate_bytes_dst),
+ tmp, sizeof(tmp) - 1));
}
static void draw_flow_entry(WINDOW *scr, const struct flow_entry *n, int line)
{
- const char *str = NULL;
char tmp[128];
- mvwprintw(scr, line, 0, "");
+ ui_table_row_add(&flows_tbl);
/* Application */
- COLOR_ON(YELLOW, BLACK);
- printw("%-*.*s", 10, 10, n->procname);
- COLOR_OFF(YELLOW, BLACK);
+ ui_table_row_print(&flows_tbl, TBL_FLOW_PROCESS, n->procname);
/* PID */
slprintf(tmp, sizeof(tmp), "%.d", n->procnum);
- attron(A_BOLD);
- printw("%-*.*s", 7, 7, tmp);
- attroff(A_BOLD);
+ ui_table_row_print(&flows_tbl, TBL_FLOW_PID, tmp);
/* L4 protocol */
- printw(" %-*.*s", 6, 6, l4proto2str[n->l4_proto]);
+ ui_table_row_print(&flows_tbl, TBL_FLOW_PROTO, l4proto2str[n->l4_proto]);
/* L4 protocol state */
- COLOR_ON(YELLOW, BLACK);
- switch (n->l4_proto) {
- case IPPROTO_TCP:
- str = tcp_state2str[n->tcp_state];
- break;
- case IPPROTO_SCTP:
- str = sctp_state2str[n->sctp_state];
- break;
- case IPPROTO_DCCP:
- str = dccp_state2str[n->dccp_state];
- break;
- case IPPROTO_UDP:
- case IPPROTO_UDPLITE:
- case IPPROTO_ICMP:
- case IPPROTO_ICMPV6:
- str = "";
- break;
- }
- COLOR_OFF(YELLOW, BLACK);
- printw(" %-*.*s", 11, 11, str);
- attroff(COLOR_PAIR(3));
- COLOR_OFF(YELLOW, BLACK);
+ ui_table_row_print(&flows_tbl, TBL_FLOW_STATE, flow_state2str(n));
/* Time */
- printw(" %*.*s", 4, 4, time2str(n->timestamp_start, tmp, sizeof(tmp)));
+ time2str(n->timestamp_start, tmp, sizeof(tmp));
+ ui_table_row_print(&flows_tbl, TBL_FLOW_TIME, tmp);
+
+ print_flow_peer_info(n, show_src ? FLOW_DIR_SRC : FLOW_DIR_DST);
+
+ if (show_src) {
+ ui_table_row_add(&flows_tbl);
- print_flow_peer_info(n, line, 41, show_src ? FLOW_DIR_SRC : FLOW_DIR_DST);
- if (show_src)
- print_flow_peer_info(n, line + 1, 41, FLOW_DIR_DST);
+ print_flow_peer_info(n, FLOW_DIR_DST);
+ }
}
static inline bool presenter_flow_wrong_state(struct flow_entry *n)
@@ -1061,27 +1084,6 @@ static inline bool presenter_flow_wrong_state(struct flow_entry *n)
return true;
}
-static void draw_flows_header(WINDOW *scr, int line)
-{
- COLOR_ON(BLACK, GREEN);
-
- mvwprintw(scr, line, 0, "%-*.*s", cols, cols, "");
- mvwprintw(scr, line, 0, "");
-
- wprintw(scr, "%-*.*s", 10, 10, "PROCESS");
- wprintw(scr, "%-*.*s", 7, 7, "PID");
- wprintw(scr, " %-*.*s", 6, 6, "PROTO");
- wprintw(scr, " %-*.*s", 11, 11, "STATE");
- wprintw(scr, " %*.*s", 4, 4, "TIME");
- wprintw(scr, " %-*.*s", 50, 50, "ADDRESS");
- wprintw(scr, " %-*.*s", 8, 8, "PORT");
- wprintw(scr, " %-*.*s", 3, 3, "GEO");
- wprintw(scr, " %*.*s", 10, 10, "BYTES");
- wprintw(scr, " %*.*s", 10, 10, "RATE");
-
- COLOR_OFF(BLACK, GREEN);
-}
-
static void draw_flows(WINDOW *screen, struct flow_list *fl,
int skip_lines)
{
@@ -1101,7 +1103,8 @@ static void draw_flows(WINDOW *screen, struct flow_list *fl,
mvwprintw(screen, line, 2, "(No sessions! "
"Is netfilter running?)");
- draw_flows_header(screen, line - 1);
+ ui_table_clear(&flows_tbl);
+ ui_table_header_print(&flows_tbl);
for (; n; n = rcu_dereference(n->next)) {
if (!n->is_visible)
@@ -1246,6 +1249,34 @@ static void show_option_toggle(int opt)
}
}
+static void flows_table_init(struct ui_table *tbl)
+{
+ ui_table_init(tbl);
+
+ ui_table_pos_set(tbl, 3, 0);
+
+ ui_table_col_add(tbl, TBL_FLOW_PROCESS, "PROCESS", 13);
+ ui_table_col_add(tbl, TBL_FLOW_PID, "PID", 7);
+ ui_table_col_add(tbl, TBL_FLOW_PROTO, "PROTO", 6);
+ ui_table_col_add(tbl, TBL_FLOW_STATE, "STATE", 11);
+ ui_table_col_add(tbl, TBL_FLOW_TIME, "TIME", 4);
+ ui_table_col_add(tbl, TBL_FLOW_ADDRESS, "ADDRESS", 50);
+ ui_table_col_add(tbl, TBL_FLOW_PORT, "PORT", 8);
+ ui_table_col_add(tbl, TBL_FLOW_GEO, "GEO", 3);
+ ui_table_col_add(tbl, TBL_FLOW_BYTES, "BYTES", 10);
+ ui_table_col_add(tbl, TBL_FLOW_RATE, "RATE", 10);
+
+ ui_table_col_align_set(tbl, TBL_FLOW_TIME, UI_ALIGN_RIGHT);
+ ui_table_col_align_set(tbl, TBL_FLOW_BYTES, UI_ALIGN_RIGHT);
+ ui_table_col_align_set(tbl, TBL_FLOW_RATE, UI_ALIGN_RIGHT);
+
+ ui_table_col_color_set(tbl, TBL_FLOW_PROCESS, COLOR(YELLOW, BLACK));
+ ui_table_col_color_set(tbl, TBL_FLOW_PID, A_BOLD);
+ ui_table_col_color_set(tbl, TBL_FLOW_STATE, COLOR(YELLOW, BLACK));
+
+ ui_table_header_color_set(&flows_tbl, COLOR(BLACK, GREEN));
+}
+
static void presenter(void)
{
int time_sleep_us = 200000;
@@ -1265,6 +1296,8 @@ static void presenter(void)
INIT_COLOR(GREEN, BLACK);
INIT_COLOR(BLACK, GREEN);
+ flows_table_init(&flows_tbl);
+
rcu_register_thread();
while (!sigint) {
bool redraw_flows = true;
@@ -1349,6 +1382,8 @@ static void presenter(void)
}
rcu_unregister_thread();
+ ui_table_uninit(&flows_tbl);
+
screen_end();
lookup_cleanup(LT_PORTS_UDP);
lookup_cleanup(LT_PORTS_TCP);
diff --git a/flowtop/Makefile b/flowtop/Makefile
index ddb031c..effe7eb 100644
--- a/flowtop/Makefile
+++ b/flowtop/Makefile
@@ -22,6 +22,7 @@ flowtop-objs = xmalloc.o \
screen.o \
die.o \
sysctl.o \
+ ui.o \
flowtop.o
ifeq ($(CONFIG_GEOIP), 1)
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-02 22:18:39 +0000