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MINOR: mux_h2: add stat for total count of connections/streams
Add counters for total number of http2 connections/stream since haproxy startup. Contrary to open_conn/stream, they are never reset to zero.
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parent
2ac34d97a6
commit
e7b891f7d3
28
src/mux_h2.c
28
src/mux_h2.c
@ -393,6 +393,8 @@ enum {
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H2_ST_OPEN_CONN,
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H2_ST_OPEN_STREAM,
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H2_ST_TOTAL_CONN,
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H2_ST_TOTAL_STREAM,
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H2_STATS_COUNT /* must be the last member of the enum */
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};
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@ -418,10 +420,14 @@ static struct name_desc h2_stats[] = {
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[H2_ST_GOAWAY_RESP] = { .name = "h2_goaway_resp",
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.desc = "Total number of GOAWAY sent on detected error" },
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[H2_ST_OPEN_CONN] = { .name = "h2_open_connections",
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.desc = "Count of currently open connections" },
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[H2_ST_OPEN_STREAM] = { .name = "h2_backend_open_streams",
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.desc = "Count of currently open streams" },
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[H2_ST_OPEN_CONN] = { .name = "h2_open_connections",
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.desc = "Count of currently open connections" },
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[H2_ST_OPEN_STREAM] = { .name = "h2_backend_open_streams",
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.desc = "Count of currently open streams" },
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[H2_ST_TOTAL_CONN] = { .name = "h2_open_connections",
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.desc = "Total number of connections" },
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[H2_ST_TOTAL_STREAM] = { .name = "h2_backend_open_streams",
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.desc = "Total number of streams" },
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};
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static struct h2_counters {
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@ -436,8 +442,10 @@ static struct h2_counters {
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long long rst_stream_resp; /* total number of RST_STREAM frame sent on error */
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long long goaway_resp; /* total number of GOAWAY frame sent on error */
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long long open_conns; /* count of currently open connections */
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long long open_streams; /* count of currently open streams */
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long long open_conns; /* count of currently open connections */
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long long open_streams; /* count of currently open streams */
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long long total_conns; /* total number of connections */
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long long total_streams; /* total number of streams */
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} h2_counters;
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static void h2_fill_stats(void *data, struct field *stats)
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@ -455,8 +463,10 @@ static void h2_fill_stats(void *data, struct field *stats)
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stats[H2_ST_RST_STREAM_RESP] = mkf_u64(FN_COUNTER, counters->rst_stream_resp);
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stats[H2_ST_GOAWAY_RESP] = mkf_u64(FN_COUNTER, counters->goaway_resp);
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stats[H2_ST_OPEN_CONN] = mkf_u64(FN_GAUGE, counters->open_conns);
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stats[H2_ST_OPEN_STREAM] = mkf_u64(FN_GAUGE, counters->open_streams);
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stats[H2_ST_OPEN_CONN] = mkf_u64(FN_GAUGE, counters->open_conns);
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stats[H2_ST_OPEN_STREAM] = mkf_u64(FN_GAUGE, counters->open_streams);
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stats[H2_ST_TOTAL_CONN] = mkf_u64(FN_COUNTER, counters->total_conns);
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stats[H2_ST_TOTAL_STREAM] = mkf_u64(FN_COUNTER, counters->total_streams);
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}
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static struct stats_module h2_stats_module = {
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@ -989,6 +999,7 @@ static int h2_init(struct connection *conn, struct proxy *prx, struct session *s
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}
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HA_ATOMIC_ADD(&h2c->px_counters->open_conns, 1);
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HA_ATOMIC_ADD(&h2c->px_counters->total_conns, 1);
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/* prepare to read something */
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h2c_restart_reading(h2c, 1);
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@ -1448,6 +1459,7 @@ static struct h2s *h2s_new(struct h2c *h2c, int id)
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h2c->stream_cnt++;
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HA_ATOMIC_ADD(&h2c->px_counters->open_streams, 1);
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HA_ATOMIC_ADD(&h2c->px_counters->total_streams, 1);
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TRACE_LEAVE(H2_EV_H2S_NEW, h2c->conn, h2s);
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return h2s;
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