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MINOR: flags/mux-h1: decode H1C and H1S flags

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The new functions h1c_show_flags() and h1s_show_flags() decode the flags
state into a string, and are used by dev/flags:

$ /dev/flags/flags h1c 0x2200
h1c->flags = H1C_F_ST_READY | H1C_F_ST_ATTACHED

./dev/flags/flags h1s 0x190
h1s->flags = H1S_F_BODYLESS_RESP | H1S_F_NOT_FIRST | H1S_F_WANT_KAL
This commit is contained in:
Christopher Faulet 2022-09-15 10:54:36 +02:00
parent 18ad15f5c4
commit 7c4b2ec09d
2 changed files with 52 additions and 1 deletions
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7
dev/flags/flags.c
View File

@ -7,6 +7,7 @@
#include <haproxy/http_ana-t.h>
#include <haproxy/htx-t.h>
#include <haproxy/mux_h2-t.h>
#include <haproxy/mux_h1-t.h>
#include <haproxy/stconn-t.h>
#include <haproxy/stream-t.h>
#include <haproxy/task-t.h>
@ -27,10 +28,12 @@
#define SHOW_AS_FD 0x00001000
#define SHOW_AS_H2C 0x00002000
#define SHOW_AS_H2S 0x00004000
#define SHOW_AS_H1C 0x00008000
#define SHOW_AS_H1S 0x00010000
// command line names, must be in exact same order as the SHOW_AS_* flags above
// so that show_as_words[i] matches flag 1U<<i.
const char *show_as_words[] = { "ana", "chn", "conn", "sc", "stet", "strm", "task", "txn", "sd", "hsl", "htx", "hmsg", "fd", "h2c", "h2s", };
const char *show_as_words[] = { "ana", "chn", "conn", "sc", "stet", "strm", "task", "txn", "sd", "hsl", "htx", "hmsg", "fd", "h2c", "h2s", "h1c", "h1s", };
/* will be sufficient for even largest flag names */
static char buf[4096];
@ -139,6 +142,8 @@ int main(int argc, char **argv)
if (show_as & SHOW_AS_FD) printf("fd->flags = %s\n", (fd_show_flags (buf, bsz, " | ", flags), buf));
if (show_as & SHOW_AS_H2C) printf("h2c->flags = %s\n", (h2c_show_flags (buf, bsz, " | ", flags), buf));
if (show_as & SHOW_AS_H2S) printf("h2s->flags = %s\n", (h2s_show_flags (buf, bsz, " | ", flags), buf));
if (show_as & SHOW_AS_H1C) printf("h1c->flags = %s\n", (h1c_show_flags (buf, bsz, " | ", flags), buf));
if (show_as & SHOW_AS_H1S) printf("h1s->flags = %s\n", (h1s_show_flags (buf, bsz, " | ", flags), buf));
}
return 0;
}

46
include/haproxy/mux_h1-t.h
View File

@ -23,6 +23,7 @@
#define _HAPROXY_MUX_H1_T_H
#include <haproxy/api-t.h>
#include <haproxy/show_flags-t.h>
/**** Connection flags (32 bit), in h1c->flags ****/
#define H1C_F_NONE 0x00000000
@ -61,6 +62,30 @@
#define H1C_F_IS_BACK 0x80000000 /* Set on outgoing connection */
/* This function is used to report flags in debugging tools. Please reflect
* below any single-bit flag addition above in the same order via the
* __APPEND_FLAG macro. The new end of the buffer is returned.
*/
static forceinline char *h1c_show_flags(char *buf, size_t len, const char *delim, uint flg)
{
#define _(f, ...) __APPEND_FLAG(buf, len, delim, flg, f, #f, __VA_ARGS__)
/* prologue */
_(0);
/* flags */
_(H1C_F_OUT_ALLOC, _(H1C_F_OUT_FULL,
_(H1C_F_IN_ALLOC, _(H1C_F_IN_FULL, _(H1C_F_IN_SALLOC,
_(H1C_F_ST_EMBRYONIC, _(H1C_F_ST_ATTACHED, _(H1C_F_ST_IDLE,
_(H1C_F_ST_ERROR, _(H1C_F_ST_SHUTDOWN, _(H1C_F_ST_READY,
_(H1C_F_ST_SILENT_SHUT, _(H1C_F_WANT_SPLICE, _(H1C_F_ERR_PENDING,
_(H1C_F_WAIT_NEXT_REQ, _(H1C_F_UPG_H2C, _(H1C_F_CO_MSG_MORE,
_(H1C_F_CO_STREAMER, _(H1C_F_IS_BACK)))))))))))))))))));
/* epilogue */
_(~0U);
return buf;
#undef _
}
/**** H1 stream flags (32 bit), in h1s->flags ****/
#define H1S_F_NONE 0x00000000
@ -85,5 +110,26 @@
#define H1S_F_HAVE_SRV_NAME 0x00002000 /* Set during output process if the server name header was added to the request */
#define H1S_F_HAVE_O_CONN 0x00004000 /* Set during output process to know connection mode was processed */
/* This function is used to report flags in debugging tools. Please reflect
* below any single-bit flag addition above in the same order via the
* __APPEND_FLAG macro. The new end of the buffer is returned.
*/
static forceinline char *h1s_show_flags(char *buf, size_t len, const char *delim, uint flg)
{
#define _(f, ...) __APPEND_FLAG(buf, len, delim, flg, f, #f, __VA_ARGS__)
/* prologue */
_(0);
/* flags */
_(H1S_F_RX_BLK, _(H1S_F_TX_BLK, _(H1S_F_RX_CONGESTED,
_(H1S_F_REOS, _(H1S_F_WANT_KAL, _(H1S_F_WANT_TUN, _(H1S_F_WANT_CLO,
_(H1S_F_NOT_FIRST, _(H1S_F_BODYLESS_RESP,
_(H1S_F_NOT_IMPL_ERROR, _(H1S_F_PARSING_ERROR, _(H1S_F_PROCESSING_ERROR,
_(H1S_F_HAVE_SRV_NAME, _(H1S_F_HAVE_O_CONN))))))))))))));
/* epilogue */
_(~0U);
return buf;
#undef _
}
#endif /* _HAPROXY_MUX_H1_T_H */