/
conffile.y
1249 lines (1153 loc) · 30.3 KB
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conffile.y
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%{
/*
* Copyright 2013-2022 Fabian Groffen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "allocator.h"
#include "conffile.h"
#include "conffile.tab.h"
#include "aggregator.h"
#include "receptor.h"
#include "router.h"
#include "config.h"
int router_yylex(ROUTER_YYSTYPE *, ROUTER_YYLTYPE *, void *, router *, allocator *, allocator *);
%}
%code requires {
struct _clust {
enum clusttype t;
int ival;
};
struct _clhost {
char *ip;
unsigned short port;
char *inst;
int proto;
con_type type;
struct _rcptr_trsp_ssl *trnsp;
void *saddr;
void *hint;
struct _clhost *next;
};
struct _maexpr {
route *r;
char drop;
struct _maexpr *next;
};
struct _agcomp {
enum _aggr_compute_type ctype;
unsigned char pctl;
char *metric;
struct _agcomp *next;
};
struct _lsnr {
con_type type;
struct _rcptr_trsp *transport;
struct _rcptr *rcptr;
};
struct _rcptr {
con_proto ctype;
char *ip;
unsigned short port;
void *saddr;
struct _rcptr *next;
};
enum _rcptr_sslprototype {
_rp_PROTOMIN,
_rp_PROTOMAX
};
struct _rcptr_sslprotos {
enum _rcptr_sslprototype prtype;
tlsprotover prver;
struct _rcptr_sslprotos *next;
};
struct _rcptr_trsp_ssl {
con_trnsp mode;
char *mtlspemcert;
char *mtlspemkey;
};
struct _rcptr_trsp {
con_trnsp mode;
char *pemcert;
struct _rcptr_sslprotos *protos;
char *ciphers;
char *suites;
};
}
%define api.prefix {router_yy}
%define api.pure full
%locations
%define parse.error verbose
%define api.value.type union
%param {void *yyscanner} {router *rtr} {allocator *ralloc} {allocator *palloc}
%token crCLUSTER
%token crFORWARD crANY_OF crFAILOVER crCARBON_CH crFNV1A_CH crJUMP_FNV1A_CH
crFILE crIP crREPLICATION crDYNAMIC crPROTO crUSEALL crUDP crTCP
%type <enum clusttype> cluster_useall cluster_ch
%type <struct _clust> cluster_type cluster_file
%type <int> cluster_opt_repl cluster_opt_useall cluster_opt_dynamic
%type <con_proto> cluster_opt_proto
%type <con_type> cluster_opt_type
%type <char *> cluster_opt_instance
%type <cluster *> cluster
%type <struct _clhost *> cluster_host cluster_hosts cluster_opt_host
cluster_path cluster_paths cluster_opt_path
%type <con_trnsp> cluster_transport_trans
%type <struct _rcptr_trsp_ssl *> cluster_opt_transport cluster_transport_opt_ssl
%token crMATCH
%token crVALIDATE crELSE crLOG crDROP crROUTE crUSING
%token crSEND crTO crBLACKHOLE crSTOP
%type <destinations *> match_dst match_opt_dst match_dsts
match_dsts2 match_opt_send_to match_send_to aggregate_opt_send_to
%type <int> match_opt_stop match_log_or_drop
%type <char *> match_opt_route
%type <struct _maexpr *> match_opt_validate match_expr match_opt_expr
match_exprs match_exprs2
%token crREWRITE
%token crINTO
%token crAGGREGATE
%token crEVERY crSECONDS crEXPIRE crAFTER crTIMESTAMP crAT
%token crSTART crMIDDLE crEND crOF crBUCKET
%token crCOMPUTE crSUM crCOUNT crMAX crMIN crAVERAGE crMEDIAN
%token crVARIANCE crSTDDEV
%token <int> crPERCENTILE
%token crWRITE
%type <enum _aggr_timestamp> aggregate_ts_when aggregate_opt_timestamp
%type <struct _agcomp> aggregate_comp_type
%type <struct _agcomp *> aggregate_compute aggregate_computes
aggregate_opt_compute
%token crSTATISTICS
%token crSUBMIT crRESET crCOUNTERS crINTERVAL crPREFIX crWITH
%type <int> statistics_opt_interval
%type <col_mode> statistics_opt_counters
%type <char *> statistics_opt_prefix
%token crLISTEN
%token crTYPE crLINEMODE crSYSLOGMODE crTRANSPORT
%token crPLAIN crGZIP crLZ4 crSNAPPY crSSL crMTLS crUNIX
%token crPROTOMIN crPROTOMAX
%token crSSL3 crTLS1_0 crTLS1_1 crTLS1_2 crTLS1_3
%token crCIPHERS crCIPHERSUITES
%type <con_proto> rcptr_proto
%type <struct _rcptr *> receptor opt_receptor receptors
%type <con_trnsp> transport_ssl_or_mtls
%type <struct _rcptr_trsp *> transport_mode transport_mode_trans
transport_opt_ssl
%type <struct _rcptr_sslprotos *> transport_ssl_proto
transport_opt_ssl_protos
%type <char *> transport_opt_ssl_ciphers transport_opt_ssl_ciphersuites
%type <enum _rcptr_sslprototype> transport_ssl_prototype
%type <tlsprotover> transport_ssl_protover
%type <struct _lsnr *> listener
%token crINCLUDE
%token <char *> crCOMMENT crSTRING crUNEXPECTED
%token <int> crINTVAL
%%
stmts: opt_stmt
;
opt_stmt:
| stmt opt_stmt
;
stmt: command ';'
;
command: cluster
| match
| rewrite
| aggregate
| send
| statistics
| listen
| include
;
/*** {{{ BEGIN cluster ***/
cluster: crCLUSTER crSTRING[name] cluster_type[type] cluster_hosts[servers]
{
struct _clhost *w;
char *err;
int srvcnt;
int replcnt;
/* just to silence clang */
(void)yynerrs;
/* count number of servers for ch_new */
for (srvcnt = 0, w = $servers; w != NULL; w = w->next, srvcnt++)
;
if (($$ = ra_malloc(ralloc, sizeof(cluster))) == NULL) {
logerr("malloc failed for cluster '%s'\n", $name);
YYABORT;
}
$$->name = ra_strdup(ralloc, $name);
$$->next = NULL;
$$->type = $type.t;
switch ($$->type) {
case CARBON_CH:
case FNV1A_CH:
case JUMP_CH:
$$->members.ch = ra_malloc(ralloc, sizeof(chashring));
if ($$->members.ch == NULL) {
logerr("malloc failed for ch in cluster '%s'\n", $name);
YYABORT;
}
replcnt = $type.ival / 10;
$$->isdynamic = $type.ival - (replcnt * 10) == 2;
if (replcnt < 1 || replcnt > 255) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc,
"replication count must be between 1 and 255");
YYERROR;
}
$$->members.ch->repl_factor = (unsigned char)replcnt;
$$->members.ch->ring = ch_new(ralloc,
$$->type == CARBON_CH ? CARBON :
$$->type == FNV1A_CH ? FNV1a :
JUMP_FNV1a, srvcnt);
$$->members.ch->servers = NULL;
$type.ival = 0; /* hack, avoid triggering use_all */
break;
case FORWARD:
$$->members.forward = NULL;
break;
case ANYOF:
case FAILOVER:
$$->members.anyof = NULL;
break;
default:
logerr("unknown cluster type %zd!\n", (ssize_t)$$->type);
YYABORT;
}
for (w = $servers; w != NULL; w = w->next) {
err = router_add_server(rtr, w->ip, w->port, w->inst,
w->type, w->trnsp->mode, w->trnsp->mtlspemcert,
w->trnsp->mtlspemkey, w->proto,
w->saddr, w->hint, (char)$type.ival, $$);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
}
err = router_add_cluster(rtr, $$);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
}
| crCLUSTER crSTRING[name] cluster_file[type] cluster_paths[paths]
{
struct _clhost *w;
char *err;
if (($$ = ra_malloc(ralloc, sizeof(cluster))) == NULL) {
logerr("malloc failed for cluster '%s'\n", $name);
YYABORT;
}
$$->name = ra_strdup(ralloc, $name);
$$->next = NULL;
$$->type = $type.t;
switch ($$->type) {
case FILELOG:
case FILELOGIP:
$$->members.forward = NULL;
break;
default:
logerr("unknown cluster type %zd!\n", (ssize_t)$$->type);
YYABORT;
}
for (w = $paths; w != NULL; w = w->next) {
err = router_add_server(rtr, w->ip, w->port, w->inst,
T_LINEMODE, W_PLAIN, NULL, NULL, w->proto,
w->saddr, w->hint, (char)$type.ival, $$);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
}
err = router_add_cluster(rtr, $$);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
}
;
cluster_type:
cluster_useall[type] cluster_opt_useall[use]
{ $$.t = $type; $$.ival = $use; }
| cluster_ch[type] cluster_opt_repl[repl] cluster_opt_dynamic[dyn]
{ $$.t = $type; $$.ival = ($dyn * 2) + ($repl * 10); }
;
cluster_useall: crFORWARD { $$ = FORWARD; }
| crANY_OF { $$ = ANYOF; }
| crFAILOVER { $$ = FAILOVER; }
;
cluster_opt_useall: { $$ = 0; }
| crUSEALL { $$ = 1; }
;
cluster_ch: crCARBON_CH { $$ = CARBON_CH; }
| crFNV1A_CH { $$ = FNV1A_CH; }
| crJUMP_FNV1A_CH { $$ = JUMP_CH; }
;
cluster_opt_repl: { $$ = 1; }
| crREPLICATION crINTVAL[cnt] { $$ = $cnt; }
;
cluster_opt_dynamic: { $$ = 0; }
| crDYNAMIC { $$ = 1; }
;
cluster_file: crFILE crIP { $$.t = FILELOGIP; $$.ival = 0; }
| crFILE { $$.t = FILELOG; $$.ival = 0; }
;
cluster_paths: cluster_path[l] cluster_opt_path[r] { $l->next = $r; $$ = $l; }
;
cluster_opt_path: { $$ = NULL; }
| cluster_path { $$ = $1; }
;
cluster_path: crSTRING[path]
{
struct _clhost *ret = ra_malloc(palloc, sizeof(struct _clhost));
char *err = router_validate_path(rtr, $path);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
ret->ip = $path;
ret->port = GRAPHITE_PORT;
ret->saddr = NULL;
ret->hint = NULL;
ret->inst = NULL;
ret->proto = CON_FILE;
ret->next = NULL;
$$ = ret;
}
;
cluster_hosts: cluster_host[l] cluster_opt_host[r] { $l->next = $r; $$ = $l; }
;
cluster_opt_host: { $$ = NULL; }
| cluster_hosts { $$ = $1; }
;
cluster_host: crSTRING[ip] cluster_opt_instance[inst]
cluster_opt_proto[prot] cluster_opt_type[type]
cluster_opt_transport[trnsp]
{
struct _clhost *ret = ra_malloc(palloc, sizeof(struct _clhost));
char *err = router_validate_address(
rtr,
&(ret->ip), &(ret->port), &(ret->saddr), &(ret->hint),
$ip, $prot, 0 /* require explicit host */);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
ret->inst = $inst;
ret->proto = $prot;
ret->type = $type;
ret->trnsp = $trnsp;
ret->next = NULL;
$$ = ret;
}
;
cluster_opt_instance: { $$ = NULL; }
| '=' crSTRING[inst] { $$ = $inst; }
| '=' crINTVAL[inst]
{
$$ = ra_malloc(palloc, sizeof(char) * 12);
if ($$ == NULL) {
logerr("out of memory\n");
YYABORT;
}
snprintf($$, 12, "%d", $inst);
}
;
cluster_opt_proto: { $$ = CON_TCP; }
| crPROTO crUDP { $$ = CON_UDP; }
| crPROTO crTCP { $$ = CON_TCP; }
;
cluster_opt_type: { $$ = T_LINEMODE; }
| crTYPE crLINEMODE { $$ = T_LINEMODE; }
| crTYPE crSYSLOGMODE { $$ = T_SYSLOGMODE; }
;
cluster_opt_transport:
{
if (($$ = ra_malloc(palloc,
sizeof(struct _rcptr_trsp))) == NULL)
{
logerr("malloc failed\n");
YYABORT;
}
$$->mode = W_PLAIN;
$$->mtlspemcert = NULL;
$$->mtlspemkey = NULL;
}
| cluster_transport_trans[trns]
cluster_transport_opt_ssl[ssl]
{
if ($ssl->mode == W_PLAIN) {
if (($$ = ra_malloc(palloc,
sizeof(struct _rcptr_trsp))) == NULL)
{
logerr("malloc failed\n");
YYABORT;
}
$$->mode = $trns;
$$->mtlspemcert = NULL;
$$->mtlspemkey = NULL;
} else {
$ssl->mode |= $trns;
$$ = $ssl;
}
}
;
cluster_transport_trans: crTRANSPORT crPLAIN { $$ = W_PLAIN; }
| crTRANSPORT crGZIP {
#ifdef HAVE_GZIP
$$ = W_GZIP;
#else
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc,
"feature gzip not compiled in");
YYERROR;
#endif
}
| crTRANSPORT crLZ4 {
#ifdef HAVE_LZ4
$$ = W_LZ4;
#else
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc,
"feature lz4 not compiled in");
YYERROR;
#endif
}
| crTRANSPORT crSNAPPY {
#ifdef HAVE_SNAPPY
$$ = W_SNAPPY;
#else
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc,
"feature snappy not compiled in");
YYERROR;
#endif
}
;
cluster_transport_opt_ssl:
{
if (($$ = ra_malloc(palloc,
sizeof(struct _rcptr_trsp))) == NULL)
{
logerr("malloc failed\n");
YYABORT;
}
$$->mode = W_PLAIN;
$$->mtlspemcert = NULL;
$$->mtlspemkey = NULL;
}
| crSSL
{
#ifdef HAVE_SSL
if (($$ = ra_malloc(palloc,
sizeof(struct _rcptr_trsp))) == NULL)
{
logerr("malloc failed\n");
YYABORT;
}
$$->mode = W_SSL;
$$->mtlspemcert = NULL;
$$->mtlspemkey = NULL;
#else
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc,
"feature ssl not compiled in");
YYERROR;
#endif
}
| crMTLS crSTRING[pemcert] crSTRING[pemkey]
{
#ifdef HAVE_SSL
if (($$ = ra_malloc(palloc,
sizeof(struct _rcptr_trsp))) == NULL)
{
logerr("malloc failed\n");
YYABORT;
}
$$->mode = W_SSL | W_MTLS;
$$->mtlspemcert = $pemcert;
$$->mtlspemkey = $pemkey;
#else
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc,
"feature ssl not compiled in");
YYERROR;
#endif
}
;
/*** }}} END cluster ***/
/*** {{{ BEGIN match ***/
match: crMATCH match_exprs[exprs] match_opt_validate[val]
match_opt_route[masq] match_opt_send_to[dsts] match_opt_stop[stop]
{
/* each expr comes with an allocated route, populate it */
struct _maexpr *we;
destinations *d = NULL;
char *err;
if ($val != NULL) {
/* optional validate clause */
if ((d = ra_malloc(ralloc, sizeof(destinations))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
d->next = NULL;
if ((d->cl = ra_malloc(ralloc, sizeof(cluster))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
d->cl->name = NULL;
d->cl->type = VALIDATION;
d->cl->next = NULL;
d->cl->members.validation = ra_malloc(ralloc, sizeof(validate));
if (d->cl->members.validation == NULL) {
logerr("out of memory\n");
YYABORT;
}
d->cl->members.validation->rule = $val->r;
d->cl->members.validation->action = $val->drop ? VAL_DROP : VAL_LOG;
}
/* add destinations to the chain */
if (d != NULL) {
d->next = $dsts;
} else {
d = $dsts;
}
/* replace with copy on the router allocator */
if ($masq != NULL)
$masq = ra_strdup(ralloc, $masq);
for (we = $exprs; we != NULL; we = we->next) {
we->r->next = NULL;
we->r->dests = d;
we->r->masq = $masq;
we->r->stop = $dsts == NULL ? 0 :
$dsts->cl->type == BLACKHOLE ? 1 : $stop;
err = router_add_route(rtr, we->r);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
}
}
;
match_exprs: '*'
{
if (($$ = ra_malloc(palloc, sizeof(struct _maexpr))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
$$->r = NULL;
if (router_validate_expression(rtr, &($$->r), "*") != NULL)
YYABORT;
$$->drop = 0;
$$->next = NULL;
}
| match_exprs2 { $$ = $1; }
;
match_exprs2: match_expr[l] match_opt_expr[r] { $l->next = $r; $$ = $l; }
match_opt_expr: { $$ = NULL; }
| match_exprs2 { $$ = $1; }
;
match_expr: crSTRING[expr]
{
char *err;
if (($$ = ra_malloc(palloc, sizeof(struct _maexpr))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
$$->r = NULL;
err = router_validate_expression(rtr, &($$->r), $expr);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
$$->drop = 0;
$$->next = NULL;
}
;
match_opt_validate: { $$ = NULL; }
| crVALIDATE crSTRING[expr] crELSE match_log_or_drop[drop]
{
char *err;
if (($$ = ra_malloc(palloc, sizeof(struct _maexpr))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
$$->r = NULL;
err = router_validate_expression(rtr, &($$->r), $expr);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
$$->drop = $drop;
$$->next = NULL;
}
;
match_log_or_drop: crLOG { $$ = 0; }
| crDROP { $$ = 1; }
;
match_opt_route: { $$ = NULL; }
| crROUTE crUSING crSTRING[expr] { $$ = $expr; }
;
match_opt_send_to: { $$ = NULL; }
| match_send_to { $$ = $1; }
;
match_send_to: crSEND crTO match_dsts[dsts] { $$ = $dsts; }
;
match_dsts: crBLACKHOLE
{
if (($$ = ra_malloc(ralloc, sizeof(destinations))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
if (router_validate_cluster(rtr, &($$->cl), "blackhole") != NULL)
YYABORT;
$$->next = NULL;
}
| match_dsts2 { $$ = $1; }
;
match_dsts2: match_dst[l] match_opt_dst[r] { $l->next = $r; $$ = $l; }
match_opt_dst: { $$ = NULL; }
| match_dsts2 { $$ = $1; }
;
match_dst: crSTRING[cluster]
{
char *err;
if (($$ = ra_malloc(ralloc, sizeof(destinations))) == NULL) {
logerr("out of memory\n");
YYABORT;
}
err = router_validate_cluster(rtr, &($$->cl), $1);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
$$->next = NULL;
}
;
match_opt_stop: { $$ = 0; }
| crSTOP { $$ = 1; }
;
/*** }}} END match ***/
/*** {{{ BEGIN rewrite ***/
rewrite: crREWRITE crSTRING[expr] crINTO crSTRING[replacement]
{
char *err;
route *r = NULL;
cluster *cl;
err = router_validate_expression(rtr, &r, $expr);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
cl = ra_malloc(ralloc, sizeof(cluster));
if (cl == NULL) {
logerr("out of memory\n");
YYABORT;
}
cl->type = REWRITE;
cl->name = NULL;
cl->members.replacement = ra_strdup(ralloc, $replacement);
cl->next = NULL;
if (cl->members.replacement == NULL) {
logerr("out of memory\n");
YYABORT;
}
r->dests = ra_malloc(ralloc, sizeof(destinations));
if (r->dests == NULL) {
logerr("out of memory\n");
YYABORT;
}
r->dests->cl = cl;
r->dests->next = NULL;
r->stop = 0;
r->next = NULL;
err = router_add_route(rtr, r);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
}
;
/*** }}} END rewrite ***/
/*** {{{ BEGIN aggregate ***/
aggregate: crAGGREGATE match_exprs2[exprs] crEVERY crINTVAL[intv] crSECONDS
crEXPIRE crAFTER crINTVAL[expire] crSECONDS
aggregate_opt_timestamp[tswhen]
aggregate_computes[computes]
aggregate_opt_send_to[dsts]
match_opt_stop[stop]
{
cluster *w;
aggregator *a;
destinations *d;
struct _agcomp *acw;
struct _maexpr *we;
char *err;
if ($intv <= 0) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc,
"interval must be > 0");
YYERROR;
}
if ($expire <= 0) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc,
"expire must be > 0");
YYERROR;
}
if ($expire <= $intv) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc,
"expire must be greater than interval");
YYERROR;
}
w = ra_malloc(ralloc, sizeof(cluster));
if (w == NULL) {
logerr("malloc failed for aggregate\n");
YYABORT;
}
w->name = NULL;
w->type = AGGREGATION;
w->next = NULL;
a = aggregator_new($intv, $expire, $tswhen);
if (a == NULL) {
logerr("out of memory\n");
YYABORT;
}
if ((err = router_add_aggregator(rtr, a)) != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
w->members.aggregation = a;
for (acw = $computes; acw != NULL; acw = acw->next) {
if (aggregator_add_compute(a,
acw->metric, acw->ctype, acw->pctl) != 0)
{
logerr("out of memory\n");
YYABORT;
}
}
err = router_add_cluster(rtr, w);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
d = ra_malloc(ralloc, sizeof(destinations));
if (d == NULL) {
logerr("out of memory\n");
YYABORT;
}
d->cl = w;
d->next = $dsts;
for (we = $exprs; we != NULL; we = we->next) {
we->r->next = NULL;
we->r->dests = d;
we->r->stop = $stop;
err = router_add_route(rtr, we->r);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
}
if ($dsts != NULL)
router_add_stubroute(rtr, AGGRSTUB, w, $dsts);
}
;
aggregate_opt_timestamp: { $$ = TS_END; }
| crTIMESTAMP crAT aggregate_ts_when[tswhen] crOF
crBUCKET
{ $$ = $tswhen; }
;
aggregate_ts_when: crSTART { $$ = TS_START; }
| crMIDDLE { $$ = TS_MIDDLE; }
| crEND { $$ = TS_END; }
;
aggregate_computes: aggregate_compute[l] aggregate_opt_compute[r]
{ $l->next = $r; $$ = $l; }
;
aggregate_opt_compute: { $$ = NULL; }
| aggregate_computes { $$ = $1; }
aggregate_compute: crCOMPUTE aggregate_comp_type[type] crWRITE crTO
crSTRING[metric]
{
$$ = ra_malloc(palloc, sizeof(struct _agcomp));
if ($$ == NULL) {
logerr("malloc failed\n");
YYABORT;
}
$$->ctype = $type.ctype;
$$->pctl = $type.pctl;
$$->metric = $metric;
$$->next = NULL;
}
;
aggregate_comp_type: crSUM { $$.ctype = SUM; }
| crCOUNT { $$.ctype = CNT; }
| crMAX { $$.ctype = MAX; }
| crMIN { $$.ctype = MIN; }
| crAVERAGE { $$.ctype = AVG; }
| crMEDIAN { $$.ctype = MEDN; }
| crPERCENTILE
{
if ($1 < 1 || $1 > 99) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc,
"percentile<x>: value x must be between 1 and 99");
YYERROR;
}
$$.ctype = PCTL;
$$.pctl = (unsigned char)$1;
}
| crVARIANCE { $$.ctype = VAR; }
| crSTDDEV { $$.ctype = SDEV; }
;
aggregate_opt_send_to: { $$ = NULL; }
| match_send_to { $$ = $1; }
;
/*** }}} END aggregate ***/
/*** {{{ BEGIN send ***/
send: crSEND crSTATISTICS crTO match_dsts[dsts] match_opt_stop[stop]
{
char *err = router_set_statistics(rtr, $dsts);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
logerr("warning: 'send statistics to ...' is deprecated and will be "
"removed in a future version, use 'statistics send to ...' "
"instead\n");
}
;
/*** }}} END send ***/
/*** {{{ BEGIN statistics ***/
statistics: crSTATISTICS
statistics_opt_interval[interval]
statistics_opt_counters[counters]
statistics_opt_prefix[prefix]
aggregate_opt_send_to[dsts]
match_opt_stop[stop]
{
char *err;
err = router_set_collectorvals(rtr, $interval, $prefix, $counters);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr, ralloc, palloc, err);
YYERROR;
}
if ($dsts != NULL) {
err = router_set_statistics(rtr, $dsts);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
}
}
;
statistics_opt_interval: { $$ = -1; }
| crSUBMIT crEVERY crINTVAL[intv] crSECONDS
{
if ($intv <= 0) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, "interval must be > 0");
YYERROR;
}
$$ = $intv;
}
;
statistics_opt_counters: { $$ = CUM; }
| crRESET crCOUNTERS crAFTER crINTERVAL { $$ = SUB; }
;
statistics_opt_prefix: { $$ = NULL; }
| crPREFIX crWITH crSTRING[prefix] { $$ = $prefix; }
;
/*** }}} END statistics ***/
/*** {{{ BEGIN listen ***/
listen: crLISTEN listener[lsnr]
{
struct _rcptr *walk;
char *err;
struct _rcptr_sslprotos *prwalk;
int protomin;
int protomax;
for (walk = $lsnr->rcptr; walk != NULL; walk = walk->next) {
protomin = 0;
protomax = 0;
prwalk = $lsnr->transport->protos;
for (; prwalk != NULL; prwalk = prwalk->next) {
if (prwalk->prtype == _rp_PROTOMIN)
protomin = prwalk->prver;
else if (prwalk->prtype == _rp_PROTOMAX)
protomax = prwalk->prver;
}
err = router_add_listener(rtr, $lsnr->type,
$lsnr->transport->mode, $lsnr->transport->pemcert,
protomin, protomax,
$lsnr->transport->ciphers, $lsnr->transport->suites,
walk->ctype, walk->ip, walk->port, walk->saddr);
if (err != NULL) {
router_yyerror(&yylloc, yyscanner, rtr,
ralloc, palloc, err);
YYERROR;
}
}
}
;
listener: crTYPE crLINEMODE transport_mode[mode] receptors[ifaces]
{
if (($$ = ra_malloc(palloc, sizeof(struct _lsnr))) == NULL) {
logerr("malloc failed\n");
YYABORT;
}
$$->type = T_LINEMODE;
$$->transport = $mode;
$$->rcptr = $ifaces;
if ($mode->mode != W_PLAIN) {
struct _rcptr *walk;
for (walk = $ifaces; walk != NULL; walk = walk->next) {
if (walk->ctype == CON_UDP) {