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http://git.haproxy.org/git/haproxy.git/
synced 2025-04-10 19:21:37 +00:00
56f50a03b7
Rename CLI_ST_PRINT_FREE to CLI_ST_PRINT_DYNERR. Most notably, this highlights that this is reserved to error printing. This is done to ensure consistency between CLI_ST_PRINT/CLI_ST_PRINT_DYN and CLI_ST_PRINT_ERR/CLI_ST_PRINT_DYNERR. The name is also consistent with the function cli_dynerr() which activates it.
398 lines
10 KiB
C
398 lines
10 KiB
C
/***
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* Copyright 2020 HAProxy Technologies
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*
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* This file is part of the HAProxy OpenTracing filter.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "include.h"
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/***
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* NAME
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* flt_ot_cli_set_msg -
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*
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* ARGUMENTS
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* appctx -
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* err -
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* msg -
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* cli_state -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* This function does not return a value.
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*/
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static void cmn_cli_set_msg(struct appctx *appctx, char *err, char *msg, int cli_state)
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{
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struct cli_print_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
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FLT_OT_FUNC("%p, %p, %p, %d", appctx, err, msg, cli_state);
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if ((appctx == NULL) || ((err == NULL) && (msg == NULL)))
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FLT_OT_RETURN();
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ctx->err = (err == NULL) ? msg : err;
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appctx->st0 = (ctx->err == NULL) ? CLI_ST_PROMPT : cli_state;
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FLT_OT_DBG(1, "err(%d): \"%s\"", appctx->st0, ctx->err);
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FLT_OT_RETURN();
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}
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#ifdef DEBUG_OT
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/***
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* NAME
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* flt_ot_cli_parse_debug -
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*
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* ARGUMENTS
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* args -
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* payload -
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* appctx -
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* private -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* -
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*/
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static int flt_ot_cli_parse_debug(char **args, char *payload, struct appctx *appctx, void *private)
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{
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char *err = NULL, *msg = NULL;
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uint8_t value;
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int retval = 0;
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FLT_OT_FUNC("%p, \"%s\", %p, %p", args, payload, appctx, private);
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FLT_OT_ARGS_DUMP();
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if (FLT_OT_ARG_ISVALID(2)) {
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value = flt_ot_strtoll(args[2], 0, 255, &err);
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if (err == NULL) {
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_HA_ATOMIC_STORE(&(flt_ot_debug.level), value);
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(void)memprintf(&msg, FLT_OT_CLI_CMD " : debug level set to %hhu", value);
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} else {
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retval = 1;
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}
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} else {
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value = _HA_ATOMIC_LOAD(&(flt_ot_debug.level));
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(void)memprintf(&msg, FLT_OT_CLI_CMD " : current debug level is %hhu", value);
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}
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cmn_cli_set_msg(appctx, err, msg, CLI_ST_PRINT_DYNERR);
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FLT_OT_RETURN_INT(retval);
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}
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#endif /* DEBUG_OT */
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/***
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* NAME
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* flt_ot_cli_parse_disabled -
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*
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* ARGUMENTS
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* args -
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* payload -
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* appctx -
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* private -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* -
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*/
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static int flt_ot_cli_parse_disabled(char **args, char *payload, struct appctx *appctx, void *private)
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{
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char *msg = NULL;
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bool value = (uintptr_t)private;
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int retval = 0;
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FLT_OT_FUNC("%p, \"%s\", %p, %p", args, payload, appctx, private);
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FLT_OT_ARGS_DUMP();
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FLT_OT_PROXIES_LIST_START() {
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_HA_ATOMIC_STORE(&(conf->tracer->flag_disabled), value);
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(void)memprintf(&msg, "%s%s" FLT_OT_CLI_CMD " : filter %sabled", FLT_OT_CLI_MSG_CAT(msg), value ? "dis" : "en");
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} FLT_OT_PROXIES_LIST_END();
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cmn_cli_set_msg(appctx, NULL, msg, CLI_ST_PRINT_DYNERR);
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FLT_OT_RETURN_INT(retval);
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}
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/***
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* NAME
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* flt_ot_cli_parse_option -
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*
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* ARGUMENTS
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* args -
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* payload -
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* appctx -
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* private -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* -
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*/
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static int flt_ot_cli_parse_option(char **args, char *payload, struct appctx *appctx, void *private)
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{
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char *msg = NULL;
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bool value = (uintptr_t)private;
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int retval = 0;
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FLT_OT_FUNC("%p, \"%s\", %p, %p", args, payload, appctx, private);
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FLT_OT_ARGS_DUMP();
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FLT_OT_PROXIES_LIST_START() {
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_HA_ATOMIC_STORE(&(conf->tracer->flag_harderr), value);
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(void)memprintf(&msg, "%s%s" FLT_OT_CLI_CMD " : filter set %s-errors", FLT_OT_CLI_MSG_CAT(msg), value ? "hard" : "soft");
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} FLT_OT_PROXIES_LIST_END();
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cmn_cli_set_msg(appctx, NULL, msg, CLI_ST_PRINT_DYNERR);
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FLT_OT_RETURN_INT(retval);
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}
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/***
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* NAME
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* flt_ot_cli_parse_logging -
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*
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* ARGUMENTS
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* args -
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* payload -
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* appctx -
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* private -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* -
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*/
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static int flt_ot_cli_parse_logging(char **args, char *payload, struct appctx *appctx, void *private)
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{
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char *err = NULL, *msg = NULL;
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uint8_t value;
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int retval = 0;
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FLT_OT_FUNC("%p, \"%s\", %p, %p", args, payload, appctx, private);
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FLT_OT_ARGS_DUMP();
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if (FLT_OT_ARG_ISVALID(2)) {
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if (strcasecmp(args[2], FLT_OT_CLI_LOGGING_OFF) == 0) {
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value = FLT_OT_LOGGING_OFF;
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}
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else if (strcasecmp(args[2], FLT_OT_CLI_LOGGING_ON) == 0) {
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value = FLT_OT_LOGGING_ON;
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}
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else if (strcasecmp(args[2], FLT_OT_CLI_LOGGING_NOLOGNORM) == 0) {
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value = FLT_OT_LOGGING_ON | FLT_OT_LOGGING_NOLOGNORM;
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}
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else {
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(void)memprintf(&err, "'%s' : invalid value, use <" FLT_OT_CLI_LOGGING_OFF " | " FLT_OT_CLI_LOGGING_ON " | " FLT_OT_CLI_LOGGING_NOLOGNORM ">", args[2]);
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retval = 1;
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}
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if (retval == 0) {
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FLT_OT_PROXIES_LIST_START() {
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_HA_ATOMIC_STORE(&(conf->tracer->logging), value);
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(void)memprintf(&msg, "%s%s" FLT_OT_CLI_CMD " : logging is %s", FLT_OT_CLI_MSG_CAT(msg), FLT_OT_CLI_LOGGING_STATE(value));
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} FLT_OT_PROXIES_LIST_END();
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}
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} else {
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FLT_OT_PROXIES_LIST_START() {
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value = _HA_ATOMIC_LOAD(&(conf->tracer->logging));
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(void)memprintf(&msg, "%s%s" FLT_OT_CLI_CMD " : logging is currently %s", FLT_OT_CLI_MSG_CAT(msg), FLT_OT_CLI_LOGGING_STATE(value));
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} FLT_OT_PROXIES_LIST_END();
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}
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cmn_cli_set_msg(appctx, err, msg, CLI_ST_PRINT_DYNERR);
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FLT_OT_RETURN_INT(retval);
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}
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/***
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* NAME
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* flt_ot_cli_parse_rate -
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*
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* ARGUMENTS
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* args -
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* payload -
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* appctx -
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* private -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* -
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*/
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static int flt_ot_cli_parse_rate(char **args, char *payload, struct appctx *appctx, void *private)
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{
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char *err = NULL, *msg = NULL;
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uint32_t value;
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int retval = 0;
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FLT_OT_FUNC("%p, \"%s\", %p, %p", args, payload, appctx, private);
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FLT_OT_ARGS_DUMP();
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if (FLT_OT_ARG_ISVALID(2)) {
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value = FLT_OT_FLOAT_U32(flt_ot_strtod(args[2], 0.0, FLT_OT_RATE_LIMIT_MAX, &err), FLT_OT_RATE_LIMIT_MAX);
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if (err == NULL) {
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FLT_OT_PROXIES_LIST_START() {
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_HA_ATOMIC_STORE(&(conf->tracer->rate_limit), value);
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(void)memprintf(&msg, "%s%s" FLT_OT_CLI_CMD " : rate limit set to %.2f", FLT_OT_CLI_MSG_CAT(msg), FLT_OT_U32_FLOAT(value, FLT_OT_RATE_LIMIT_MAX));
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} FLT_OT_PROXIES_LIST_END();
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} else {
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retval = 1;
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}
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} else {
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FLT_OT_PROXIES_LIST_START() {
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value = _HA_ATOMIC_LOAD(&(conf->tracer->rate_limit));
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(void)memprintf(&msg, "%s%s" FLT_OT_CLI_CMD " : current rate limit is %.2f", FLT_OT_CLI_MSG_CAT(msg), FLT_OT_U32_FLOAT(value, FLT_OT_RATE_LIMIT_MAX));
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} FLT_OT_PROXIES_LIST_END();
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}
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cmn_cli_set_msg(appctx, err, msg, CLI_ST_PRINT_DYNERR);
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FLT_OT_RETURN_INT(retval);
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}
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/***
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* NAME
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* flt_ot_cli_parse_status -
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*
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* ARGUMENTS
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* args -
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* payload -
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* appctx -
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* private -
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* -
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*/
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static int flt_ot_cli_parse_status(char **args, char *payload, struct appctx *appctx, void *private)
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{
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const char *nl = "";
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char *msg = NULL;
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int retval = 0;
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FLT_OT_FUNC("%p, \"%s\", %p, %p", args, payload, appctx, private);
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FLT_OT_ARGS_DUMP();
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flt_ot_filters_dump();
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(void)memprintf(&msg, " " FLT_OT_OPT_NAME " filter status\n" FLT_OT_STR_DASH_78);
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#ifdef DEBUG_OT
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(void)memprintf(&msg, "%s\n debug level: 0x%02hhx\n", msg, flt_ot_debug.level);
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#endif
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FLT_OT_PROXIES_LIST_START() {
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(void)memprintf(&msg, "%s\n%s filter %s\n", msg, nl, conf->id);
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(void)memprintf(&msg, "%s configuration: %s\n", msg, conf->cfg_file);
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(void)memprintf(&msg, "%s disable count: %" PRIu64 " %" PRIu64 "\n\n", msg, conf->cnt.disabled[0], conf->cnt.disabled[1]);
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(void)memprintf(&msg, "%s tracer %s\n", msg, conf->tracer->id);
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(void)memprintf(&msg, "%s configuration: %s\n", msg, conf->tracer->config);
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(void)memprintf(&msg, "%s plugin: %s\n", msg, conf->tracer->plugin);
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(void)memprintf(&msg, "%s rate limit: %.2f %%\n", msg, FLT_OT_U32_FLOAT(conf->tracer->rate_limit, FLT_OT_RATE_LIMIT_MAX));
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(void)memprintf(&msg, "%s hard errors: %s\n", msg, FLT_OT_STR_FLAG_YN(conf->tracer->flag_harderr));
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(void)memprintf(&msg, "%s disabled: %s\n", msg, FLT_OT_STR_FLAG_YN(conf->tracer->flag_disabled));
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(void)memprintf(&msg, "%s logging: %s\n", msg, FLT_OT_CLI_LOGGING_STATE(conf->tracer->logging));
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(void)memprintf(&msg, "%s analyzers: %08x", msg, conf->tracer->analyzers);
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nl = "\n";
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} FLT_OT_PROXIES_LIST_END();
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cmn_cli_set_msg(appctx, NULL, msg, CLI_ST_PRINT_DYNERR);
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FLT_OT_RETURN_INT(retval);
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}
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static struct cli_kw_list cli_kws = { { }, {
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#ifdef DEBUG_OT
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{ { FLT_OT_CLI_CMD, "debug", NULL }, FLT_OT_CLI_CMD " debug [level] : set the OT filter debug level (default: get current debug level)", flt_ot_cli_parse_debug, NULL, NULL, NULL, 0 },
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#endif
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{ { FLT_OT_CLI_CMD, "disable", NULL }, FLT_OT_CLI_CMD " disable : disable the OT filter", flt_ot_cli_parse_disabled, NULL, NULL, (void *)1, 0 },
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{ { FLT_OT_CLI_CMD, "enable", NULL }, FLT_OT_CLI_CMD " enable : enable the OT filter", flt_ot_cli_parse_disabled, NULL, NULL, (void *)0, 0 },
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{ { FLT_OT_CLI_CMD, "soft-errors", NULL }, FLT_OT_CLI_CMD " soft-errors : turning off hard-errors mode", flt_ot_cli_parse_option, NULL, NULL, (void *)0, 0 },
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{ { FLT_OT_CLI_CMD, "hard-errors", NULL }, FLT_OT_CLI_CMD " hard-errors : enabling hard-errors mode", flt_ot_cli_parse_option, NULL, NULL, (void *)1, 0 },
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{ { FLT_OT_CLI_CMD, "logging", NULL }, FLT_OT_CLI_CMD " logging [state] : set logging state (default: get current logging state)", flt_ot_cli_parse_logging, NULL, NULL, NULL, 0 },
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{ { FLT_OT_CLI_CMD, "rate", NULL }, FLT_OT_CLI_CMD " rate [value] : set the rate limit (default: get current rate value)", flt_ot_cli_parse_rate, NULL, NULL, NULL, 0 },
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{ { FLT_OT_CLI_CMD, "status", NULL }, FLT_OT_CLI_CMD " status : show the OT filter status", flt_ot_cli_parse_status, NULL, NULL, NULL, 0 },
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{ /* END */ }
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}};
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/***
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* NAME
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* flt_ot_cli_init -
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*
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* ARGUMENTS
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* This function takes no arguments.
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*
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* DESCRIPTION
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* -
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*
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* RETURN VALUE
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* This function does not return a value.
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*/
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void flt_ot_cli_init(void)
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{
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FLT_OT_FUNC("");
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/* Register CLI keywords. */
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cli_register_kw(&cli_kws);
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FLT_OT_RETURN();
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}
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*
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* vi: noexpandtab shiftwidth=8 tabstop=8
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*/
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