MINOR: mux-h2: report the mbuf's head and tail in "show fd"

It's useful to know how the mbuf spans over the whole area and to have
access to the first and last ones, so let's dump just this.

diff --git a/src/mux_h2.c b/src/mux_h2.c
index 1d64d261ebd1759530971fbc7cb9e1a2f9f4d23f..e727549176987765387f5b87fbd1c6b1ba9035f0 100644 (file)
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -5620,7 +5620,7 @@ static void h2_show_fd(struct buffer *msg, struct connection *conn)
        int send_cnt = 0;
        int tree_cnt = 0;
        int orph_cnt = 0;
-       struct buffer *tmbuf;
+       struct buffer *hmbuf, *tmbuf;
 
        if (!h2c)
                return;
@@ -5641,16 +5641,21 @@ static void h2_show_fd(struct buffer *msg, struct connection *conn)
                node = eb32_next(node);
        }
 
+       hmbuf = br_head(h2c->mbuf);
        tmbuf = br_tail(h2c->mbuf);
        chunk_appendf(msg, " h2c.st0=%d .err=%d .maxid=%d .lastid=%d .flg=0x%04x"
                      " .nbst=%u .nbcs=%u .fctl_cnt=%d .send_cnt=%d .tree_cnt=%d"
-                     " .orph_cnt=%d .sub=%d .dsi=%d .dbuf=%u@%p+%u/%u .msi=%d .mbuf=%u@%p+%u/%u",
+                     " .orph_cnt=%d .sub=%d .dsi=%d .dbuf=%u@%p+%u/%u .msi=%d"
+                     " .mbuf=[%u..%u|%u],h=[%u@%p+%u/%u],t=[%u@%p+%u/%u]",
                      h2c->st0, h2c->errcode, h2c->max_id, h2c->last_sid, h2c->flags,
                      h2c->nb_streams, h2c->nb_cs, fctl_cnt, send_cnt, tree_cnt, orph_cnt,
                      h2c->wait_event.events, h2c->dsi,
                      (unsigned int)b_data(&h2c->dbuf), b_orig(&h2c->dbuf),
                      (unsigned int)b_head_ofs(&h2c->dbuf), (unsigned int)b_size(&h2c->dbuf),
                      h2c->msi,
+                     br_head_idx(h2c->mbuf), br_tail_idx(h2c->mbuf), br_size(h2c->mbuf),
+                     (unsigned int)b_data(hmbuf), b_orig(hmbuf),
+                     (unsigned int)b_head_ofs(hmbuf), (unsigned int)b_size(hmbuf),
                      (unsigned int)b_data(tmbuf), b_orig(tmbuf),
                      (unsigned int)b_head_ofs(tmbuf), (unsigned int)b_size(tmbuf));