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1447 lines
49 KiB
1447 lines
49 KiB
#include <iostream> // std::cout
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#include <algorithm> // std::sort
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#include <vector> // std::vector
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#include "re2/re2.h"
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#include "re2/regexp.h"
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#include "proxysql.h"
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#include "cpp.h"
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#include "SpookyV2.h"
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#ifdef DEBUG
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#define DEB "_DEBUG"
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#else
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#define DEB ""
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#endif /* DEBUG */
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#define QUERY_PROCESSOR_VERSION "0.2.0902" DEB
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class QP_rule_text_hitsonly {
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public:
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char **pta;
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QP_rule_text_hitsonly(QP_rule_t *QPr) {
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pta=NULL;
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pta=(char **)malloc(sizeof(char *)*2);
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itostr(pta[0], (long long)QPr->rule_id);
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itostr(pta[1], (long long)QPr->hits);
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}
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~QP_rule_text_hitsonly() {
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for(int i=0; i<2; i++) {
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free_null(pta[i]);
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}
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free(pta);
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}
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};
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class QP_rule_text {
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public:
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char **pta;
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int num_fields;
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QP_rule_text(QP_rule_t *QPr) {
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num_fields=27;
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pta=NULL;
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pta=(char **)malloc(sizeof(char *)*num_fields);
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itostr(pta[0], (long long)QPr->rule_id);
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itostr(pta[1], (long long)QPr->active);
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pta[2]=strdup_null(QPr->username);
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pta[3]=strdup_null(QPr->schemaname);
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itostr(pta[4], (long long)QPr->flagIN);
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pta[5]=strdup_null(QPr->client_addr);
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pta[6]=strdup_null(QPr->proxy_addr);
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itostr(pta[7], (long long)QPr->proxy_port);
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char buf[20];
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//uint32_t d32[2];
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//memcpy(&d32,&QPr->digest,sizeof(QPr->digest));
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//sprintf(buf,"0x%X%X", d32[0], d32[1]);
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if (QPr->digest) {
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sprintf(buf,"0x%016llX", (long long unsigned int)QPr->digest);
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pta[8]=strdup(buf);
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} else {
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pta[8]=NULL;
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}
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pta[9]=strdup_null(QPr->match_digest);
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pta[10]=strdup_null(QPr->match_pattern);
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itostr(pta[11], (long long)QPr->negate_match_pattern);
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itostr(pta[12], (long long)QPr->flagOUT);
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pta[13]=strdup_null(QPr->replace_pattern);
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itostr(pta[14], (long long)QPr->destination_hostgroup);
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itostr(pta[15], (long long)QPr->cache_ttl);
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itostr(pta[16], (long long)QPr->reconnect);
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itostr(pta[17], (long long)QPr->timeout);
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itostr(pta[18], (long long)QPr->retries);
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itostr(pta[19], (long long)QPr->delay);
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itostr(pta[20], (long long)QPr->mirror_flagOUT);
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itostr(pta[21], (long long)QPr->mirror_hostgroup);
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pta[22]=strdup_null(QPr->error_msg);
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itostr(pta[23], (long long)QPr->log);
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itostr(pta[24], (long long)QPr->apply);
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pta[25]=strdup_null(QPr->comment); // issue #643
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itostr(pta[26], (long long)QPr->hits);
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}
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~QP_rule_text() {
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for(int i=0; i<num_fields; i++) {
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free_null(pta[i]);
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}
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free(pta);
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}
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};
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/*
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struct __SQP_query_parser_t {
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sfilter sf;
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uint64_t digest;
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char *digest_text;
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char *first_comment;
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uint64_t digest_total;
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};
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typedef struct __SQP_query_parser_t SQP_par_t;
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*/
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class QP_query_digest_stats {
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public:
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uint64_t digest;
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char *digest_text;
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char *username;
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char *schemaname;
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time_t first_seen;
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time_t last_seen;
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unsigned int count_star;
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unsigned long long sum_time;
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unsigned long long min_time;
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unsigned long long max_time;
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int hid;
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QP_query_digest_stats(char *u, char *s, uint64_t d, char *dt, int h) {
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digest=d;
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digest_text=strdup(dt);
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username=strdup(u);
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schemaname=strdup(s);
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count_star=0;
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first_seen=0;
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last_seen=0;
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sum_time=0;
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min_time=0;
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max_time=0;
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hid=h;
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}
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void add_time(unsigned long long t, unsigned long long n) {
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count_star++;
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sum_time+=t;
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if (t < min_time || min_time==0) {
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if (t) min_time = t;
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}
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if (t > max_time) {
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max_time = t;
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}
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if (first_seen==0) {
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first_seen=n;
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}
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last_seen=n;
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}
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~QP_query_digest_stats() {
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if (digest_text) {
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free(digest_text);
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digest_text=NULL;
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}
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if (username) {
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free(username);
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username=NULL;
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}
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if (schemaname) {
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free(schemaname);
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schemaname=NULL;
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}
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}
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char **get_row() {
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char buf[128];
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char **pta=(char **)malloc(sizeof(char *)*11);
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assert(schemaname);
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pta[0]=strdup(schemaname);
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assert(username);
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pta[1]=strdup(username);
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//uint32_t d32[2];
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//memcpy(&d32,&digest,sizeof(digest));
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//sprintf(buf,"0x%X%X", d32[0], d32[1]);
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sprintf(buf,"0x%016llX", (long long unsigned int)digest);
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pta[2]=strdup(buf);
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assert(digest_text);
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pta[3]=strdup(digest_text);
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sprintf(buf,"%u",count_star);
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pta[4]=strdup(buf);
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time_t __now;
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//char __buffer[25];
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// struct tm *__tm_info;
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time(&__now);
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unsigned long long curtime=monotonic_time();
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time_t seen_time;
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seen_time= __now - curtime/1000000 + first_seen/1000000;
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// __tm_info = localtime(&seen_time);
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// strftime(buf, 25, "%Y-%m-%d %H:%M:%S", __tm_info);
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sprintf(buf,"%ld", seen_time);
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pta[5]=strdup(buf);
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seen_time= __now - curtime/1000000 + last_seen/1000000;
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// __tm_info = localtime(&seen_time);
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// strftime(buf, 25, "%Y-%m-%d %H:%M:%S", __tm_info);
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sprintf(buf,"%ld", seen_time);
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pta[6]=strdup(buf);
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sprintf(buf,"%llu",sum_time);
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pta[7]=strdup(buf);
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sprintf(buf,"%llu",min_time);
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pta[8]=strdup(buf);
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sprintf(buf,"%llu",max_time);
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pta[9]=strdup(buf);
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sprintf(buf,"%d",hid);
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pta[10]=strdup(buf);
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return pta;
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}
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void free_row(char **pta) {
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int i;
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for (i=0;i<11;i++) {
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assert(pta[i]);
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free(pta[i]);
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}
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free(pta);
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}
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};
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//static char *commands_counters_desc[MYSQL_COM_QUERY___NONE];
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struct __RE2_objects_t {
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re2::RE2::Options *opt;
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RE2 *re;
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};
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typedef struct __RE2_objects_t re2_t;
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static bool rules_sort_comp_function (QP_rule_t * a, QP_rule_t * b) { return (a->rule_id < b->rule_id); }
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static re2_t * compile_query_rule(QP_rule_t *qr, int i) {
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re2_t *r=(re2_t *)malloc(sizeof(re2_t));
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r->opt=new re2::RE2::Options(RE2::Quiet);
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r->opt->set_case_sensitive(false);
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if (i==1) {
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r->re=new RE2(qr->match_digest, *r->opt);
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} else if (i==2) {
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r->re=new RE2(qr->match_pattern, *r->opt);
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}
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return r;
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};
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static void __delete_query_rule(QP_rule_t *qr) {
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proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "Deleting rule in %p : rule_id:%d, active:%d, username=%s, schemaname=%s, flagIN:%d, %smatch_pattern=\"%s\", flagOUT:%d replace_pattern=\"%s\", destination_hostgroup:%d, apply:%d\n", qr, qr->rule_id, qr->active, qr->username, qr->schemaname, qr->flagIN, (qr->negate_match_pattern ? "(!)" : "") , qr->match_pattern, qr->flagOUT, qr->replace_pattern, qr->destination_hostgroup, qr->apply);
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if (qr->username)
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free(qr->username);
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if (qr->schemaname)
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free(qr->schemaname);
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if (qr->match_pattern)
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free(qr->match_pattern);
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if (qr->replace_pattern)
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free(qr->replace_pattern);
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if (qr->error_msg)
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free(qr->error_msg);
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if (qr->regex_engine1) {
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re2_t *r=(re2_t *)qr->regex_engine1;
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delete r->opt;
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delete r->re;
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free(qr->regex_engine1);
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}
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if (qr->regex_engine2) {
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re2_t *r=(re2_t *)qr->regex_engine2;
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delete r->opt;
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delete r->re;
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free(qr->regex_engine2);
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}
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free(qr);
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};
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// delete all the query rules in a Query Processor Table
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// Note that this function is called by GloQPro with &rules (generic table)
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// and is called by each mysql thread with _thr_SQP_rules (per thread table)
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static void __reset_rules(std::vector<QP_rule_t *> * qrs) {
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proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "Resetting rules in Query Processor Table %p\n", qrs);
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if (qrs==NULL) return;
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QP_rule_t *qr;
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for (std::vector<QP_rule_t *>::iterator it=qrs->begin(); it!=qrs->end(); ++it) {
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qr=*it;
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__delete_query_rule(qr);
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}
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qrs->clear();
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}
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// per thread variables
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__thread unsigned int _thr_SQP_version;
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__thread std::vector<QP_rule_t *> * _thr_SQP_rules;
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//__thread unsigned int _thr_commands_counters[MYSQL_COM_QUERY___NONE];
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__thread Command_Counter * _thr_commands_counters[MYSQL_COM_QUERY___NONE];
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Query_Processor::Query_Processor() {
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#ifdef DEBUG
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if (glovars.has_debug==false) {
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#else
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if (glovars.has_debug==true) {
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#endif /* DEBUG */
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perror("Incompatible debagging version");
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exit(EXIT_FAILURE);
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}
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proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Initializing Query Processor with version=0\n");
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spinlock_rwlock_init(&rwlock);
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spinlock_rwlock_init(&digest_rwlock);
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version=0;
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for (int i=0; i<MYSQL_COM_QUERY___NONE; i++) commands_counters[i]=new Command_Counter(i);
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commands_counters_desc[MYSQL_COM_QUERY_ALTER_TABLE]=(char *)"ALTER_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_ALTER_VIEW]=(char *)"ALTER_VIEW";
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commands_counters_desc[MYSQL_COM_QUERY_ANALYZE_TABLE]=(char *)"ANALYZE_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_BEGIN]=(char *)"BEGIN";
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commands_counters_desc[MYSQL_COM_QUERY_CALL]=(char *)"CALL";
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commands_counters_desc[MYSQL_COM_QUERY_CHANGE_MASTER]=(char *)"CHANGE_MASTER";
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commands_counters_desc[MYSQL_COM_QUERY_COMMIT]=(char *)"COMMIT";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_DATABASE]=(char *)"CREATE_DATABASE";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_INDEX]=(char *)"CREATE_INDEX";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_TABLE]=(char *)"CREATE_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_TEMPORARY]=(char *)"CREATE_TEMPORARY";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_TRIGGER]=(char *)"CREATE_TRIGGER";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_USER]=(char *)"CREATE_USER";
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commands_counters_desc[MYSQL_COM_QUERY_CREATE_VIEW]=(char *)"CREATE_VIEW";
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commands_counters_desc[MYSQL_COM_QUERY_DEALLOCATE]=(char *)"DEALLOCATE";
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commands_counters_desc[MYSQL_COM_QUERY_DELETE]=(char *)"DELETE";
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commands_counters_desc[MYSQL_COM_QUERY_DESCRIBE]=(char *)"DESCRIBE";
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commands_counters_desc[MYSQL_COM_QUERY_DROP_DATABASE]=(char *)"DROP_DATABASE";
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commands_counters_desc[MYSQL_COM_QUERY_DROP_INDEX]=(char *)"DROP_INDEX";
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commands_counters_desc[MYSQL_COM_QUERY_DROP_TABLE]=(char *)"DROP_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_DROP_TRIGGER]=(char *)"DROP_TRIGGER";
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commands_counters_desc[MYSQL_COM_QUERY_DROP_USER]=(char *)"DROP_USER";
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commands_counters_desc[MYSQL_COM_QUERY_DROP_VIEW]=(char *)"DROP_VIEW";
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commands_counters_desc[MYSQL_COM_QUERY_EXECUTE]=(char *)"EXECUTE";
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commands_counters_desc[MYSQL_COM_QUERY_EXPLAIN]=(char *)"EXPLAIN";
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commands_counters_desc[MYSQL_COM_QUERY_FLUSH]=(char *)"FLUSH";
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commands_counters_desc[MYSQL_COM_QUERY_GRANT]=(char *)"GRANT";
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commands_counters_desc[MYSQL_COM_QUERY_INSERT]=(char *)"INSERT";
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commands_counters_desc[MYSQL_COM_QUERY_KILL]=(char *)"KILL";
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commands_counters_desc[MYSQL_COM_QUERY_LOAD]=(char *)"LOAD";
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commands_counters_desc[MYSQL_COM_QUERY_LOCK_TABLE]=(char *)"LOCK_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_OPTIMIZE]=(char *)"OPTIMIZE";
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commands_counters_desc[MYSQL_COM_QUERY_PREPARE]=(char *)"PREPARE";
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commands_counters_desc[MYSQL_COM_QUERY_PURGE]=(char *)"PURGE";
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commands_counters_desc[MYSQL_COM_QUERY_RENAME_TABLE]=(char *)"RENAME_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_RESET_MASTER]=(char *)"RESET_MASTER";
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commands_counters_desc[MYSQL_COM_QUERY_RESET_SLAVE]=(char *)"RESET_SLAVE";
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commands_counters_desc[MYSQL_COM_QUERY_REPLACE]=(char *)"REPLACE";
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commands_counters_desc[MYSQL_COM_QUERY_REVOKE]=(char *)"REVOKE";
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commands_counters_desc[MYSQL_COM_QUERY_ROLLBACK]=(char *)"ROLLBACK";
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commands_counters_desc[MYSQL_COM_QUERY_SAVEPOINT]=(char *)"SAVEPOINT";
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commands_counters_desc[MYSQL_COM_QUERY_SELECT]=(char *)"SELECT";
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commands_counters_desc[MYSQL_COM_QUERY_SELECT_FOR_UPDATE]=(char *)"SELECT_FOR_UPDATE";
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commands_counters_desc[MYSQL_COM_QUERY_SET]=(char *)"SET";
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commands_counters_desc[MYSQL_COM_QUERY_SHOW_TABLE_STATUS]=(char *)"SHOW_TABLE_STATUS";
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commands_counters_desc[MYSQL_COM_QUERY_SHOW]=(char *)"SHOW";
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commands_counters_desc[MYSQL_COM_QUERY_START_TRANSACTION]=(char *)"START_TRANSACTION";
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commands_counters_desc[MYSQL_COM_QUERY_TRUNCATE_TABLE]=(char *)"TRUNCATE_TABLE";
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commands_counters_desc[MYSQL_COM_QUERY_UNLOCK_TABLES]=(char *)"UNLOCK_TABLES";
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commands_counters_desc[MYSQL_COM_QUERY_UPDATE]=(char *)"UPDATE";
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commands_counters_desc[MYSQL_COM_QUERY_USE]=(char *)"USE";
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commands_counters_desc[MYSQL_COM_QUERY_UNKNOWN]=(char *)"UNKNOWN";
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};
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Query_Processor::~Query_Processor() {
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for (int i=0; i<MYSQL_COM_QUERY___NONE; i++) delete commands_counters[i];
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__reset_rules(&rules);
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};
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// This function is called by each thread when it starts. It create a Query Processor Table for each thread
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void Query_Processor::init_thread() {
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proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Initializing Per-Thread Query Processor Table with version=0\n");
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_thr_SQP_version=0;
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_thr_SQP_rules=new std::vector<QP_rule_t *>;
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for (int i=0; i<MYSQL_COM_QUERY___NONE; i++) _thr_commands_counters[i] = new Command_Counter(i);
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};
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void Query_Processor::end_thread() {
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proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Destroying Per-Thread Query Processor Table with version=%d\n", _thr_SQP_version);
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__reset_rules(_thr_SQP_rules);
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delete _thr_SQP_rules;
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for (int i=0; i<MYSQL_COM_QUERY___NONE; i++) delete _thr_commands_counters[i];
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};
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void Query_Processor::print_version() {
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fprintf(stderr,"Standard Query Processor rev. %s -- %s -- %s\n", QUERY_PROCESSOR_VERSION, __FILE__, __TIMESTAMP__);
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};
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void Query_Processor::wrlock() {
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spin_wrlock(&rwlock);
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};
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void Query_Processor::wrunlock() {
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spin_wrunlock(&rwlock);
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};
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QP_rule_t * Query_Processor::new_query_rule(int rule_id, bool active, char *username, char *schemaname, int flagIN, char *client_addr, char *proxy_addr, int proxy_port, char *digest, char *match_digest, char *match_pattern, bool negate_match_pattern, int flagOUT, char *replace_pattern, int destination_hostgroup, int cache_ttl, int reconnect, int timeout, int retries, int delay, int mirror_flagOUT, int mirror_hostgroup, char *error_msg, int log, bool apply, char *comment) {
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QP_rule_t * newQR=(QP_rule_t *)malloc(sizeof(QP_rule_t));
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newQR->rule_id=rule_id;
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newQR->active=active;
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newQR->username=(username ? strdup(username) : NULL);
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newQR->schemaname=(schemaname ? strdup(schemaname) : NULL);
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newQR->flagIN=flagIN;
|
|
newQR->match_digest=(match_digest ? strdup(match_digest) : NULL);
|
|
newQR->match_pattern=(match_pattern ? strdup(match_pattern) : NULL);
|
|
newQR->negate_match_pattern=negate_match_pattern;
|
|
newQR->flagOUT=flagOUT;
|
|
newQR->replace_pattern=(replace_pattern ? strdup(replace_pattern) : NULL);
|
|
newQR->destination_hostgroup=destination_hostgroup;
|
|
newQR->cache_ttl=cache_ttl;
|
|
newQR->reconnect=reconnect;
|
|
newQR->timeout=timeout;
|
|
newQR->retries=retries;
|
|
newQR->delay=delay;
|
|
newQR->mirror_flagOUT=mirror_flagOUT;
|
|
newQR->mirror_hostgroup=mirror_hostgroup;
|
|
newQR->error_msg=(error_msg ? strdup(error_msg) : NULL);
|
|
newQR->apply=apply;
|
|
newQR->comment=(comment ? strdup(comment) : NULL); // see issue #643
|
|
newQR->regex_engine1=NULL;
|
|
newQR->regex_engine2=NULL;
|
|
newQR->hits=0;
|
|
|
|
newQR->client_addr=(client_addr ? strdup(client_addr) : NULL);
|
|
newQR->proxy_addr=(proxy_addr ? strdup(proxy_addr) : NULL);
|
|
newQR->proxy_port=proxy_port;
|
|
newQR->log=log;
|
|
newQR->digest=0;
|
|
if (digest) {
|
|
unsigned long long num=strtoull(digest,NULL,0);
|
|
if (num!=ULLONG_MAX && num!=0) {
|
|
newQR->digest=num;
|
|
} else {
|
|
proxy_error("Incorrect digest for rule_id %d : %s\n" , rule_id, digest);
|
|
}
|
|
}
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "Creating new rule in %p : rule_id:%d, active:%d, username=%s, schemaname=%s, flagIN:%d, %smatch_digest=\"%s\", %smatch_pattern=\"%s\", flagOUT:%d replace_pattern=\"%s\", destination_hostgroup:%d, apply:%d\n", newQR, newQR->rule_id, newQR->active, newQR->username, newQR->schemaname, newQR->flagIN, (newQR->negate_match_pattern ? "(!)" : "") , newQR->match_digest, (newQR->negate_match_pattern ? "(!)" : "") , newQR->match_pattern, newQR->flagOUT, newQR->replace_pattern, newQR->destination_hostgroup, newQR->apply);
|
|
return newQR;
|
|
};
|
|
|
|
|
|
void Query_Processor::delete_query_rule(QP_rule_t *qr) {
|
|
__delete_query_rule(qr);
|
|
};
|
|
|
|
void Query_Processor::reset_all(bool lock) {
|
|
if (lock) spin_wrlock(&rwlock);
|
|
__reset_rules(&rules);
|
|
if (lock) spin_wrunlock(&rwlock);
|
|
};
|
|
|
|
bool Query_Processor::insert(QP_rule_t *qr, bool lock) {
|
|
bool ret=true;
|
|
if (lock) spin_wrlock(&rwlock);
|
|
rules.push_back(qr);
|
|
if (lock) spin_wrunlock(&rwlock);
|
|
return ret;
|
|
};
|
|
|
|
|
|
void Query_Processor::sort(bool lock) {
|
|
if (lock) spin_wrlock(&rwlock);
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Sorting rules\n");
|
|
std::sort (rules.begin(), rules.end(), rules_sort_comp_function);
|
|
if (lock) spin_wrunlock(&rwlock);
|
|
};
|
|
|
|
// when commit is called, the version number is increased and the this will trigger the mysql threads to get a new Query Processor Table
|
|
// The operation is asynchronous
|
|
void Query_Processor::commit() {
|
|
spin_wrlock(&rwlock);
|
|
__sync_add_and_fetch(&version,1);
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Increasing version number to %d - all threads will notice this and refresh their rules\n", version);
|
|
spin_wrunlock(&rwlock);
|
|
};
|
|
|
|
|
|
SQLite3_result * Query_Processor::get_stats_commands_counters() {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Dumping commands counters\n");
|
|
SQLite3_result *result=new SQLite3_result(15);
|
|
result->add_column_definition(SQLITE_TEXT,"Command");
|
|
result->add_column_definition(SQLITE_TEXT,"Total_Cnt");
|
|
result->add_column_definition(SQLITE_TEXT,"Total_Time_us");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_100us");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_500us");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_1ms");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_5ms");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_10ms");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_50ms");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_100ms");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_500ms");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_1s");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_5s");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_10s");
|
|
result->add_column_definition(SQLITE_TEXT,"cnt_INFs");
|
|
for (int i=0;i<MYSQL_COM_QUERY___NONE;i++) {
|
|
char **pta=commands_counters[i]->get_row();
|
|
result->add_row(pta);
|
|
commands_counters[i]->free_row(pta);
|
|
}
|
|
return result;
|
|
}
|
|
SQLite3_result * Query_Processor::get_stats_query_rules() {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Dumping query rules statistics, using Global version %d\n", version);
|
|
SQLite3_result *result=new SQLite3_result(2);
|
|
spin_rdlock(&rwlock);
|
|
QP_rule_t *qr1;
|
|
result->add_column_definition(SQLITE_TEXT,"rule_id");
|
|
result->add_column_definition(SQLITE_TEXT,"hits");
|
|
for (std::vector<QP_rule_t *>::iterator it=rules.begin(); it!=rules.end(); ++it) {
|
|
qr1=*it;
|
|
if (qr1->active) {
|
|
QP_rule_text_hitsonly *qt=new QP_rule_text_hitsonly(qr1);
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Dumping Query Rule id: %d\n", qr1->rule_id);
|
|
result->add_row(qt->pta);
|
|
delete qt;
|
|
}
|
|
}
|
|
spin_rdunlock(&rwlock);
|
|
return result;
|
|
}
|
|
|
|
SQLite3_result * Query_Processor::get_current_query_rules() {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Dumping current query rules, using Global version %d\n", version);
|
|
SQLite3_result *result=new SQLite3_result(27);
|
|
spin_rdlock(&rwlock);
|
|
QP_rule_t *qr1;
|
|
result->add_column_definition(SQLITE_TEXT,"rule_id");
|
|
result->add_column_definition(SQLITE_TEXT,"active");
|
|
result->add_column_definition(SQLITE_TEXT,"username");
|
|
result->add_column_definition(SQLITE_TEXT,"schemaname");
|
|
result->add_column_definition(SQLITE_TEXT,"flagIN");
|
|
result->add_column_definition(SQLITE_TEXT,"client_addr");
|
|
result->add_column_definition(SQLITE_TEXT,"proxy_addr");
|
|
result->add_column_definition(SQLITE_TEXT,"proxy_port");
|
|
result->add_column_definition(SQLITE_TEXT,"digest");
|
|
result->add_column_definition(SQLITE_TEXT,"match_digest");
|
|
result->add_column_definition(SQLITE_TEXT,"match_pattern");
|
|
result->add_column_definition(SQLITE_TEXT,"negate_match_pattern");
|
|
result->add_column_definition(SQLITE_TEXT,"flagOUT");
|
|
result->add_column_definition(SQLITE_TEXT,"replace_pattern");
|
|
result->add_column_definition(SQLITE_TEXT,"destination_hostgroup");
|
|
result->add_column_definition(SQLITE_TEXT,"cache_ttl");
|
|
result->add_column_definition(SQLITE_TEXT,"reconnect");
|
|
result->add_column_definition(SQLITE_TEXT,"timeout");
|
|
result->add_column_definition(SQLITE_TEXT,"retries");
|
|
result->add_column_definition(SQLITE_TEXT,"delay");
|
|
result->add_column_definition(SQLITE_TEXT,"mirror_flagOUT");
|
|
result->add_column_definition(SQLITE_TEXT,"mirror_hostgroup");
|
|
result->add_column_definition(SQLITE_TEXT,"error_msg");
|
|
result->add_column_definition(SQLITE_TEXT,"log");
|
|
result->add_column_definition(SQLITE_TEXT,"apply");
|
|
result->add_column_definition(SQLITE_TEXT,"comment"); // issue #643
|
|
result->add_column_definition(SQLITE_TEXT,"hits");
|
|
for (std::vector<QP_rule_t *>::iterator it=rules.begin(); it!=rules.end(); ++it) {
|
|
qr1=*it;
|
|
QP_rule_text *qt=new QP_rule_text(qr1);
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Dumping Query Rule id: %d\n", qr1->rule_id);
|
|
result->add_row(qt->pta);
|
|
delete qt;
|
|
}
|
|
spin_rdunlock(&rwlock);
|
|
return result;
|
|
}
|
|
|
|
SQLite3_result * Query_Processor::get_query_digests() {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Dumping current query digest\n");
|
|
SQLite3_result *result=new SQLite3_result(11);
|
|
spin_rdlock(&digest_rwlock);
|
|
result->add_column_definition(SQLITE_TEXT,"hid");
|
|
result->add_column_definition(SQLITE_TEXT,"schemaname");
|
|
result->add_column_definition(SQLITE_TEXT,"usernname");
|
|
result->add_column_definition(SQLITE_TEXT,"digest");
|
|
result->add_column_definition(SQLITE_TEXT,"digest_text");
|
|
result->add_column_definition(SQLITE_TEXT,"count_star");
|
|
result->add_column_definition(SQLITE_TEXT,"first_seen");
|
|
result->add_column_definition(SQLITE_TEXT,"last_seen");
|
|
result->add_column_definition(SQLITE_TEXT,"sum_time");
|
|
result->add_column_definition(SQLITE_TEXT,"min_time");
|
|
result->add_column_definition(SQLITE_TEXT,"max_time");
|
|
//for (btree::btree_map<uint64_t, void *>::iterator it=digest_bt_map.begin(); it!=digest_bt_map.end(); ++it) {
|
|
for (std::unordered_map<uint64_t, void *>::iterator it=digest_umap.begin(); it!=digest_umap.end(); ++it) {
|
|
QP_query_digest_stats *qds=(QP_query_digest_stats *)it->second;
|
|
char **pta=qds->get_row();
|
|
result->add_row(pta);
|
|
qds->free_row(pta);
|
|
}
|
|
spin_rdunlock(&digest_rwlock);
|
|
return result;
|
|
}
|
|
|
|
SQLite3_result * Query_Processor::get_query_digests_reset() {
|
|
SQLite3_result *result=new SQLite3_result(11);
|
|
spin_wrlock(&digest_rwlock);
|
|
result->add_column_definition(SQLITE_TEXT,"hid");
|
|
result->add_column_definition(SQLITE_TEXT,"schemaname");
|
|
result->add_column_definition(SQLITE_TEXT,"usernname");
|
|
result->add_column_definition(SQLITE_TEXT,"digest");
|
|
result->add_column_definition(SQLITE_TEXT,"digest_text");
|
|
result->add_column_definition(SQLITE_TEXT,"count_star");
|
|
result->add_column_definition(SQLITE_TEXT,"first_seen");
|
|
result->add_column_definition(SQLITE_TEXT,"last_seen");
|
|
result->add_column_definition(SQLITE_TEXT,"sum_time");
|
|
result->add_column_definition(SQLITE_TEXT,"min_time");
|
|
result->add_column_definition(SQLITE_TEXT,"max_time");
|
|
//for (btree::btree_map<uint64_t, void *>::iterator it=digest_bt_map.begin(); it!=digest_bt_map.end(); ++it) {
|
|
for (std::unordered_map<uint64_t, void *>::iterator it=digest_umap.begin(); it!=digest_umap.end(); ++it) {
|
|
QP_query_digest_stats *qds=(QP_query_digest_stats *)it->second;
|
|
char **pta=qds->get_row();
|
|
result->add_row(pta);
|
|
qds->free_row(pta);
|
|
delete qds;
|
|
}
|
|
//digest_bt_map.erase(digest_bt_map.begin(),digest_bt_map.end());
|
|
digest_umap.erase(digest_umap.begin(),digest_umap.end());
|
|
spin_wrunlock(&digest_rwlock);
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
Query_Processor_Output * Query_Processor::process_mysql_query(MySQL_Session *sess, void *ptr, unsigned int size, Query_Info *qi) {
|
|
// to avoid unnecssary deallocation/allocation, we initialize qpo witout new allocation
|
|
//Query_Processor_Output *ret=NULL;
|
|
//ret=new Query_Processor_Output();
|
|
Query_Processor_Output *ret=sess->qpo;
|
|
ret->init();
|
|
SQP_par_t *qp=NULL;
|
|
if (qi) {
|
|
qp=(SQP_par_t *)&qi->QueryParserArgs;
|
|
}
|
|
unsigned int len=size-sizeof(mysql_hdr)-1;
|
|
char *query=(char *)l_alloc(len+1);
|
|
memcpy(query,(char *)ptr+sizeof(mysql_hdr)+1,len);
|
|
query[len]=0;
|
|
if (__sync_add_and_fetch(&version,0) > _thr_SQP_version) {
|
|
// update local rules;
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Detected a changed in version. Global:%d , local:%d . Refreshing...\n", version, _thr_SQP_version);
|
|
spin_rdlock(&rwlock);
|
|
_thr_SQP_version=__sync_add_and_fetch(&version,0);
|
|
__reset_rules(_thr_SQP_rules);
|
|
QP_rule_t *qr1;
|
|
QP_rule_t *qr2;
|
|
for (std::vector<QP_rule_t *>::iterator it=rules.begin(); it!=rules.end(); ++it) {
|
|
qr1=*it;
|
|
if (qr1->active) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Copying Query Rule id: %d\n", qr1->rule_id);
|
|
char buf[20];
|
|
if (qr1->digest) { // not 0
|
|
//uint32_t d32[2];
|
|
//memcpy(&d32,&qr1->digest,sizeof(qr1->digest));
|
|
//sprintf(buf,"0x%X%X", d32[0], d32[1]);
|
|
sprintf(buf,"0x%016llX", (long long unsigned int)qr1->digest);
|
|
}
|
|
qr2=new_query_rule(qr1->rule_id, qr1->active, qr1->username, qr1->schemaname, qr1->flagIN,
|
|
qr1->client_addr, qr1->proxy_addr, qr1->proxy_port,
|
|
( qr1->digest ? buf : NULL ) ,
|
|
qr1->match_digest, qr1->match_pattern, qr1->negate_match_pattern,
|
|
qr1->flagOUT, qr1->replace_pattern, qr1->destination_hostgroup,
|
|
qr1->cache_ttl, qr1->reconnect, qr1->timeout, qr1->retries, qr1->delay, qr1->mirror_flagOUT, qr1->mirror_hostgroup,
|
|
qr1->error_msg, qr1->log, qr1->apply,
|
|
qr1->comment);
|
|
qr2->parent=qr1; // pointer to parent to speed up parent update (hits)
|
|
if (qr2->match_digest) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Compiling regex for rule_id: %d, match_digest: \n", qr2->rule_id, qr2->match_digest);
|
|
qr2->regex_engine1=(void *)compile_query_rule(qr2,1);
|
|
}
|
|
if (qr2->match_pattern) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Compiling regex for rule_id: %d, match_pattern: \n", qr2->rule_id, qr2->match_pattern);
|
|
qr2->regex_engine2=(void *)compile_query_rule(qr2,2);
|
|
}
|
|
_thr_SQP_rules->push_back(qr2);
|
|
}
|
|
}
|
|
spin_rdunlock(&rwlock); // unlock should be after the copy
|
|
}
|
|
QP_rule_t *qr;
|
|
re2_t *re2p;
|
|
int flagIN=0;
|
|
int reiterate=mysql_thread___query_processor_iterations;
|
|
if (sess->mirror==true) {
|
|
// we are into a mirror session
|
|
// we immediately set a destination_hostgroup
|
|
ret->destination_hostgroup=sess->mirror_hostgroup;
|
|
if (sess->mirror_flagOUT != -1) {
|
|
// the original session has set a mirror flagOUT
|
|
flagIN=sess->mirror_flagOUT;
|
|
} else {
|
|
// the original session did NOT set any mirror flagOUT
|
|
// so we exit here
|
|
// the only thing set so far is destination_hostgroup
|
|
goto __exit_process_mysql_query;
|
|
}
|
|
}
|
|
__internal_loop:
|
|
for (std::vector<QP_rule_t *>::iterator it=_thr_SQP_rules->begin(); it!=_thr_SQP_rules->end(); ++it) {
|
|
qr=*it;
|
|
if (qr->flagIN != flagIN) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 6, "query rule %d has no matching flagIN\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
if (qr->username && strlen(qr->username)) {
|
|
if (strcmp(qr->username,sess->client_myds->myconn->userinfo->username)!=0) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching username\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
if (qr->schemaname && strlen(qr->schemaname)) {
|
|
if (strcmp(qr->schemaname,sess->client_myds->myconn->userinfo->schemaname)!=0) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching schemaname\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// match on client address
|
|
if (qr->client_addr && strlen(qr->client_addr)) {
|
|
if (sess->client_myds->addr.addr) {
|
|
if (strcmp(qr->client_addr,sess->client_myds->addr.addr)!=0) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching client_addr\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// match on proxy_addr & proxy_port
|
|
if (qr->proxy_addr && strlen(qr->proxy_addr)) {
|
|
if (sess->client_myds->proxy_addr.addr) {
|
|
if (strcmp(qr->proxy_addr,sess->client_myds->proxy_addr.addr)!=0) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching proxy_addr\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
if (qr->proxy_port>=0) {
|
|
if (qr->proxy_port!=sess->client_myds->proxy_addr.port) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching proxy_port\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// match on digest
|
|
if (qp && qp->digest) {
|
|
if (qr->digest) {
|
|
if (qr->digest != qp->digest) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching digest\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
// match on query digest
|
|
if (qp && qp->digest_text ) { // we call this only if we have a query digest
|
|
re2p=(re2_t *)qr->regex_engine1;
|
|
if (qr->match_digest) {
|
|
bool rc;
|
|
// we always match on original query
|
|
rc=RE2::PartialMatch(qp->digest_text,*re2p->re);
|
|
if ((rc==true && qr->negate_match_pattern==true) || ( rc==false && qr->negate_match_pattern==false )) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching pattern\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
// match on query
|
|
re2p=(re2_t *)qr->regex_engine2;
|
|
if (qr->match_pattern) {
|
|
bool rc;
|
|
if (ret && ret->new_query) {
|
|
// if we already rewrote the query, process the new query
|
|
//std::string *s=ret->new_query;
|
|
rc=RE2::PartialMatch(ret->new_query->c_str(),*re2p->re);
|
|
} else {
|
|
// we never rewrote the query
|
|
rc=RE2::PartialMatch(query,*re2p->re);
|
|
}
|
|
if ((rc==true && qr->negate_match_pattern==true) || ( rc==false && qr->negate_match_pattern==false )) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has no matching pattern\n", qr->rule_id);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// if we arrived here, we have a match
|
|
qr->hits++; // this is done without atomic function because it updates only the local variables
|
|
bool set_flagOUT=false;
|
|
if (qr->flagOUT >= 0) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has changed flagOUT\n", qr->rule_id);
|
|
flagIN=qr->flagOUT;
|
|
set_flagOUT=true;
|
|
//sess->query_info.flagOUT=flagIN;
|
|
}
|
|
if (qr->reconnect >= 0) {
|
|
// Note: negative reconnect means this rule doesn't change
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set reconnect: %d. Query will%s be rexecuted if connection is lost\n", qr->rule_id, qr->reconnect, (qr->reconnect == 0 ? " NOT" : "" ));
|
|
ret->reconnect=qr->reconnect;
|
|
}
|
|
if (qr->timeout >= 0) {
|
|
// Note: negative timeout means this rule doesn't change
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set timeout: %d. Query will%s be interrupted if exceeding %dms\n", qr->rule_id, qr->timeout, (qr->timeout == 0 ? " NOT" : "" ) , qr->timeout);
|
|
ret->timeout=qr->timeout;
|
|
}
|
|
if (qr->retries >= 0) {
|
|
// Note: negative retries means this rule doesn't change
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set retries: %d. Query will%s be re-executed %d times in case of failure\n", qr->rule_id, qr->retries);
|
|
ret->retries=qr->retries;
|
|
}
|
|
if (qr->delay >= 0) {
|
|
// Note: negative delay means this rule doesn't change
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set delay: %d. Session will%s be paused for %dms\n", qr->rule_id, qr->delay, (qr->delay == 0 ? " NOT" : "" ) , qr->delay);
|
|
ret->delay=qr->delay;
|
|
}
|
|
if (qr->mirror_flagOUT >= 0) {
|
|
// Note: negative mirror_flagOUT means this rule doesn't change the mirror flagOUT
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set mirror flagOUT: %d\n", qr->rule_id, qr->mirror_flagOUT);
|
|
ret->mirror_flagOUT=qr->mirror_flagOUT;
|
|
}
|
|
if (qr->mirror_hostgroup >= 0) {
|
|
// Note: negative mirror_hostgroup means this rule doesn't change the mirror
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set mirror hostgroup: %d. A new session will be created\n", qr->rule_id, qr->mirror_hostgroup);
|
|
ret->mirror_hostgroup=qr->mirror_hostgroup;
|
|
}
|
|
if (qr->error_msg) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set error_msg: %s\n", qr->rule_id, qr->error_msg);
|
|
//proxy_warning("User \"%s\" has issued query that has been filtered: %s \n " , sess->client_myds->myconn->userinfo->username, query);
|
|
ret->error_msg=strdup(qr->error_msg);
|
|
}
|
|
if (qr->cache_ttl >= 0) {
|
|
// Note: negative TTL means this rule doesn't change
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set cache_ttl: %d. Query will%s hit the cache\n", qr->rule_id, qr->cache_ttl, (qr->cache_ttl == 0 ? " NOT" : "" ));
|
|
ret->cache_ttl=qr->cache_ttl;
|
|
}
|
|
if (qr->destination_hostgroup >= 0) {
|
|
// Note: negative hostgroup means this rule doesn't change
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d has set destination hostgroup: %d\n", qr->rule_id, qr->destination_hostgroup);
|
|
ret->destination_hostgroup=qr->destination_hostgroup;
|
|
}
|
|
|
|
if (qr->replace_pattern) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d on match_pattern \"%s\" has a replace_pattern \"%s\" to apply\n", qr->rule_id, qr->match_pattern, qr->replace_pattern);
|
|
if (ret->new_query==NULL) ret->new_query=new std::string(query);
|
|
RE2::Replace(ret->new_query,qr->match_pattern,qr->replace_pattern);
|
|
}
|
|
|
|
if (qr->apply==true) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "query rule %d is the last one to apply: exit!\n", qr->rule_id);
|
|
goto __exit_process_mysql_query;
|
|
}
|
|
if (set_flagOUT==true) {
|
|
if (reiterate) {
|
|
reiterate--;
|
|
goto __internal_loop;
|
|
}
|
|
}
|
|
}
|
|
|
|
__exit_process_mysql_query:
|
|
// FIXME : there is too much data being copied around
|
|
l_free(len+1,query);
|
|
if (sess->mirror==false) { // we process comments only on original queries, not on mirrors
|
|
if (qp && qp->first_comment) {
|
|
// we have a comment to parse
|
|
query_parser_first_comment(ret, qp->first_comment);
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
// this function is called by mysql_session to free the result generated by process_mysql_query()
|
|
void Query_Processor::delete_QP_out(Query_Processor_Output *o) {
|
|
//l_free(sizeof(QP_out_t),o);
|
|
if (o) {
|
|
//delete o; // do not deallocate, but "destroy" it
|
|
o->destroy();
|
|
}
|
|
};
|
|
|
|
void Query_Processor::update_query_processor_stats() {
|
|
// Note:
|
|
// this function is called by each thread to update global query statistics
|
|
//
|
|
// As an extra safety, it checks that the version didn't change
|
|
// Yet, if version changed doesn't perfomr any rules update
|
|
//
|
|
// It acquires a read lock to ensure that the rules table doesn't change
|
|
// Yet, because it has to update vales, it uses atomic operations
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "Updating query rules statistics\n");
|
|
spin_rdlock(&rwlock);
|
|
if (__sync_add_and_fetch(&version,0) == _thr_SQP_version) {
|
|
QP_rule_t *qr;
|
|
for (std::vector<QP_rule_t *>::iterator it=_thr_SQP_rules->begin(); it!=_thr_SQP_rules->end(); ++it) {
|
|
qr=*it;
|
|
if (qr->active && qr->hits) {
|
|
__sync_fetch_and_add(&qr->parent->hits,qr->hits);
|
|
qr->hits=0;
|
|
}
|
|
}
|
|
}
|
|
spin_rdunlock(&rwlock);
|
|
for (int i=0; i<MYSQL_COM_QUERY___NONE; i++) {
|
|
for (int j=0; j<13; j++) {
|
|
if (_thr_commands_counters[i]->counters[j]) {
|
|
__sync_fetch_and_add(&commands_counters[i]->counters[j],_thr_commands_counters[i]->counters[j]);
|
|
_thr_commands_counters[i]->counters[j]=0;
|
|
}
|
|
}
|
|
if (_thr_commands_counters[i]->total_time)
|
|
__sync_fetch_and_add(&commands_counters[i]->total_time,_thr_commands_counters[i]->total_time);
|
|
_thr_commands_counters[i]->total_time=0;
|
|
}
|
|
};
|
|
|
|
|
|
void Query_Processor::query_parser_init(SQP_par_t *qp, char *query, int query_length, int flags) {
|
|
// trying to get rid of libinjection
|
|
// instead of initializing qp->sf , we copy query info later in this function
|
|
// if (mysql_thread___commands_stats)
|
|
// libinjection_sqli_init(&qp->sf, query, query_length, FLAG_SQL_MYSQL);
|
|
qp->digest_text=NULL;
|
|
qp->first_comment=NULL;
|
|
qp->query_prefix=NULL;
|
|
//qp->first_comment=(char *)l_alloc(FIRST_COMMENT_MAX_LENGTH);
|
|
//qp->first_comment[0]=0; // initialize it to 0 . Useful to determine if there is any string or not
|
|
if (mysql_thread___query_digests) {
|
|
qp->digest_text=mysql_query_digest_and_first_comment(query, query_length, &qp->first_comment);
|
|
qp->digest=SpookyHash::Hash64(qp->digest_text,strlen(qp->digest_text),0);
|
|
#ifdef DEBUG
|
|
if (qp->first_comment && strlen(qp->first_comment)) {
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "Comment in query = %s \n", qp->first_comment);
|
|
}
|
|
#endif /* DEBUG */
|
|
} else {
|
|
// if mysql_thread___query_digests==false but we still want command statistics, we copy the prefix of the query
|
|
if (mysql_thread___commands_stats) {
|
|
qp->query_prefix=strndup(query,32);
|
|
}
|
|
}
|
|
};
|
|
|
|
enum MYSQL_COM_QUERY_command Query_Processor::query_parser_command_type(SQP_par_t *qp) {
|
|
enum MYSQL_COM_QUERY_command ret=__query_parser_command_type(qp);
|
|
return ret;
|
|
}
|
|
|
|
unsigned long long Query_Processor::query_parser_update_counters(MySQL_Session *sess, enum MYSQL_COM_QUERY_command c, SQP_par_t *qp, unsigned long long t) {
|
|
if (c>=MYSQL_COM_QUERY___NONE) return 0;
|
|
unsigned long long ret=_thr_commands_counters[c]->add_time(t);
|
|
|
|
|
|
if (sess->CurrentQuery.stmt_info==NULL && qp->digest_text) {
|
|
// this code is executed only if digest_text is not NULL , that means mysql_thread___query_digests was true when the query started
|
|
uint64_t hash2;
|
|
SpookyHash myhash;
|
|
myhash.Init(19,3);
|
|
assert(sess);
|
|
assert(sess->client_myds);
|
|
assert(sess->client_myds->myconn);
|
|
assert(sess->client_myds->myconn->userinfo);
|
|
MySQL_Connection_userinfo *ui=sess->client_myds->myconn->userinfo;
|
|
assert(ui->username);
|
|
assert(ui->schemaname);
|
|
myhash.Update(ui->username,strlen(ui->username));
|
|
myhash.Update(&qp->digest,sizeof(qp->digest));
|
|
myhash.Update(ui->schemaname,strlen(ui->schemaname));
|
|
myhash.Update(&sess->current_hostgroup,sizeof(sess->default_hostgroup));
|
|
myhash.Final(&qp->digest_total,&hash2);
|
|
update_query_digest(qp, sess->current_hostgroup, ui, t, sess->thread->curtime, NULL);
|
|
}
|
|
if (sess->CurrentQuery.stmt_info && sess->CurrentQuery.stmt_info->digest_text) {
|
|
uint64_t hash2;
|
|
SpookyHash myhash;
|
|
myhash.Init(19,3);
|
|
assert(sess);
|
|
assert(sess->client_myds);
|
|
assert(sess->client_myds->myconn);
|
|
assert(sess->client_myds->myconn->userinfo);
|
|
MySQL_Connection_userinfo *ui=sess->client_myds->myconn->userinfo;
|
|
assert(ui->username);
|
|
assert(ui->schemaname);
|
|
MySQL_STMT_Global_info *stmt_info=sess->CurrentQuery.stmt_info;
|
|
myhash.Update(ui->username,strlen(ui->username));
|
|
myhash.Update(&stmt_info->digest,sizeof(qp->digest));
|
|
myhash.Update(ui->schemaname,strlen(ui->schemaname));
|
|
myhash.Update(&sess->current_hostgroup,sizeof(sess->default_hostgroup));
|
|
myhash.Final(&qp->digest_total,&hash2);
|
|
//delete myhash;
|
|
update_query_digest(qp, sess->current_hostgroup, ui, t, sess->thread->curtime, stmt_info);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void Query_Processor::update_query_digest(SQP_par_t *qp, int hid, MySQL_Connection_userinfo *ui, unsigned long long t, unsigned long long n, MySQL_STMT_Global_info *_stmt_info) {
|
|
spin_wrlock(&digest_rwlock);
|
|
|
|
QP_query_digest_stats *qds;
|
|
|
|
std::unordered_map<uint64_t, void *>::iterator it;
|
|
it=digest_umap.find(qp->digest_total);
|
|
if (it != digest_umap.end()) {
|
|
// found
|
|
qds=(QP_query_digest_stats *)it->second;
|
|
qds->add_time(t,n);
|
|
} else {
|
|
if (_stmt_info==NULL) {
|
|
qds=new QP_query_digest_stats(ui->username, ui->schemaname, qp->digest, qp->digest_text, hid);
|
|
} else {
|
|
qds=new QP_query_digest_stats(ui->username, ui->schemaname, _stmt_info->digest, _stmt_info->digest_text, hid);
|
|
}
|
|
qds->add_time(t,n);
|
|
digest_umap.insert(std::make_pair(qp->digest_total,(void *)qds));
|
|
}
|
|
|
|
spin_wrunlock(&digest_rwlock);
|
|
}
|
|
|
|
char * Query_Processor::get_digest_text(SQP_par_t *qp) {
|
|
if (qp==NULL) return NULL;
|
|
//SQP_par_t *qp=(SQP_par_t *)p;
|
|
return qp->digest_text;
|
|
}
|
|
|
|
uint64_t Query_Processor::get_digest(SQP_par_t *qp) {
|
|
if (qp==NULL) return 0;
|
|
//SQP_par_t *qp=(SQP_par_t *)args;
|
|
return qp->digest;
|
|
}
|
|
|
|
enum MYSQL_COM_QUERY_command Query_Processor::__query_parser_command_type(SQP_par_t *qp) {
|
|
//SQP_par_t *qp=(SQP_par_t *)args;
|
|
char *text=NULL; // this new variable is a pointer to either qp->digest_text , or to the query
|
|
if (qp->digest_text) {
|
|
text=qp->digest_text;
|
|
} else {
|
|
text=qp->query_prefix;
|
|
}
|
|
|
|
|
|
enum MYSQL_COM_QUERY_command ret=MYSQL_COM_QUERY_UNKNOWN;
|
|
char c1;
|
|
|
|
tokenizer_t tok = tokenizer( text, " ", TOKENIZER_NO_EMPTIES );
|
|
char* token=NULL;
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) {
|
|
goto __exit__query_parser_command_type;
|
|
}
|
|
|
|
//c1=toupper(token[0]);
|
|
c1=token[0];
|
|
proxy_debug(PROXY_DEBUG_MYSQL_COM, 5, "Command:%s Prefix:%c\n", token, c1);
|
|
switch (c1) {
|
|
case 'a':
|
|
case 'A':
|
|
if (!mystrcasecmp("ALTER",token)) { // ALTER [ONLINE | OFFLINE] [IGNORE] TABLE
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!mystrcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_ALTER_TABLE;
|
|
break;
|
|
} else {
|
|
if (!mystrcasecmp("OFFLINE",token) || !mystrcasecmp("ONLINE",token)) {
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!mystrcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_ALTER_TABLE;
|
|
break;
|
|
} else {
|
|
if (!mystrcasecmp("IGNORE",token)) {
|
|
if (token==NULL) break;
|
|
token=(char *)tokenize(&tok);
|
|
if (!mystrcasecmp("TABLE",token))
|
|
ret=MYSQL_COM_QUERY_ALTER_TABLE;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
if (!mystrcasecmp("IGNORE",token)) {
|
|
if (token==NULL) break;
|
|
token=(char *)tokenize(&tok);
|
|
if (!mystrcasecmp("TABLE",token))
|
|
ret=MYSQL_COM_QUERY_ALTER_TABLE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!mystrcasecmp("VIEW",token)) {
|
|
ret=MYSQL_COM_QUERY_ALTER_VIEW;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
if (!mystrcasecmp("ANALYZE",token)) { // ANALYZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_ANALYZE_TABLE;
|
|
} else {
|
|
if (!strcasecmp("NO_WRITE_TO_BINLOG",token) || !strcasecmp("LOCAL",token)) {
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_ANALYZE_TABLE;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case 'b':
|
|
case 'B':
|
|
if (!strcasecmp("BEGIN",token)) { // BEGIN
|
|
ret=MYSQL_COM_QUERY_BEGIN;
|
|
}
|
|
break;
|
|
case 'c':
|
|
case 'C':
|
|
if (!strcasecmp("CALL",token)) { // CALL
|
|
ret=MYSQL_COM_QUERY_CALL;
|
|
break;
|
|
}
|
|
if (!strcasecmp("CHANGE",token)) { // CHANGE
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("MASTER",token)) {
|
|
ret=MYSQL_COM_QUERY_CHANGE_MASTER;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
if (!strcasecmp("COMMIT",token)) { // COMMIT
|
|
ret=MYSQL_COM_QUERY_COMMIT;
|
|
break;
|
|
}
|
|
if (!strcasecmp("CREATE",token)) { // CREATE
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("DATABASE",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_DATABASE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("INDEX",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_INDEX;
|
|
break;
|
|
}
|
|
if (!strcasecmp("SCHEMA",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_DATABASE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_TABLE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("TEMPORARY",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_TEMPORARY;
|
|
break;
|
|
}
|
|
if (!strcasecmp("TRIGGER",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_TRIGGER;
|
|
break;
|
|
}
|
|
if (!strcasecmp("USER",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_USER;
|
|
break;
|
|
}
|
|
if (!strcasecmp("VIEW",token)) {
|
|
ret=MYSQL_COM_QUERY_CREATE_VIEW;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case 'd':
|
|
case 'D':
|
|
if (!strcasecmp("DEALLOCATE",token)) { // DEALLOCATE PREPARE
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("PREPARE",token)) {
|
|
ret=MYSQL_COM_QUERY_DEALLOCATE;
|
|
break;
|
|
}
|
|
}
|
|
if (!strcasecmp("DELETE",token)) { // DELETE
|
|
ret=MYSQL_COM_QUERY_DELETE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("DESCRIBE",token)) { // DESCRIBE
|
|
ret=MYSQL_COM_QUERY_DESCRIBE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("DROP",token)) { // DROP
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_DROP_TABLE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("TRIGGER",token)) {
|
|
ret=MYSQL_COM_QUERY_DROP_TRIGGER;
|
|
break;
|
|
}
|
|
if (!strcasecmp("USER",token)) {
|
|
ret=MYSQL_COM_QUERY_DROP_USER;
|
|
break;
|
|
}
|
|
if (!strcasecmp("VIEW",token)) {
|
|
ret=MYSQL_COM_QUERY_DROP_VIEW;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 'e':
|
|
case 'E':
|
|
if (!strcasecmp("EXECUTE",token)) { // EXECUTE
|
|
ret=MYSQL_COM_QUERY_EXECUTE;
|
|
}
|
|
break;
|
|
case 'f':
|
|
case 'F':
|
|
if (!strcasecmp("FLUSH",token)) { // FLUSH
|
|
ret=MYSQL_COM_QUERY_FLUSH;
|
|
break;
|
|
}
|
|
break;
|
|
case 'g':
|
|
case 'G':
|
|
if (!strcasecmp("GRANT",token)) { // GRANT
|
|
ret=MYSQL_COM_QUERY_GRANT;
|
|
break;
|
|
}
|
|
break;
|
|
case 'i':
|
|
case 'I':
|
|
if (!strcasecmp("INSERT",token)) { // INSERT
|
|
ret=MYSQL_COM_QUERY_INSERT;
|
|
break;
|
|
}
|
|
break;
|
|
case 'k':
|
|
case 'K':
|
|
if (!strcasecmp("KILL",token)) { // KILL
|
|
ret=MYSQL_COM_QUERY_KILL;
|
|
break;
|
|
}
|
|
break;
|
|
case 'l':
|
|
case 'L':
|
|
if (!strcasecmp("LOCK",token)) { // LOCK
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_LOCK_TABLE;
|
|
break;
|
|
}
|
|
}
|
|
if (!strcasecmp("LOAD",token)) { // LOAD
|
|
ret=MYSQL_COM_QUERY_LOAD;
|
|
break;
|
|
}
|
|
break;
|
|
case 'o':
|
|
case 'O':
|
|
if (!strcasecmp("OPTIMIZE",token)) { // OPTIMIZE
|
|
ret=MYSQL_COM_QUERY_OPTIMIZE;
|
|
break;
|
|
}
|
|
break;
|
|
case 'p':
|
|
case 'P':
|
|
if (!strcasecmp("PREPARE",token)) { // PREPARE
|
|
ret=MYSQL_COM_QUERY_PREPARE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("PURGE",token)) { // PURGE
|
|
ret=MYSQL_COM_QUERY_PURGE;
|
|
break;
|
|
}
|
|
break;
|
|
case 'r':
|
|
case 'R':
|
|
if (!strcasecmp("RENAME",token)) { // RENAME
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_RENAME_TABLE;
|
|
break;
|
|
}
|
|
}
|
|
if (!strcasecmp("REPLACE",token)) { // REPLACE
|
|
ret=MYSQL_COM_QUERY_REPLACE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("RESET",token)) { // RESET
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("MASTER",token)) {
|
|
ret=MYSQL_COM_QUERY_RESET_MASTER;
|
|
break;
|
|
}
|
|
if (!strcasecmp("SLAVE",token)) {
|
|
ret=MYSQL_COM_QUERY_RESET_SLAVE;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
if (!strcasecmp("REVOKE",token)) { // REVOKE
|
|
ret=MYSQL_COM_QUERY_REVOKE;
|
|
break;
|
|
}
|
|
if (!strcasecmp("ROLLBACK",token)) { // ROLLBACK
|
|
ret=MYSQL_COM_QUERY_ROLLBACK;
|
|
break;
|
|
}
|
|
break;
|
|
case 's':
|
|
case 'S':
|
|
if (!mystrcasecmp("SAVEPOINT",token)) { // SAVEPOINT
|
|
ret=MYSQL_COM_QUERY_SAVEPOINT;
|
|
break;
|
|
}
|
|
if (!mystrcasecmp("SELECT",token)) { // SELECT
|
|
ret=MYSQL_COM_QUERY_SELECT;
|
|
break;
|
|
// FIXME: SELECT FOR UPDATE is not implemented
|
|
}
|
|
if (!mystrcasecmp("SET",token)) { // SET
|
|
ret=MYSQL_COM_QUERY_SET;
|
|
break;
|
|
}
|
|
if (!mystrcasecmp("SHOW",token)) { // SHOW
|
|
ret=MYSQL_COM_QUERY_SHOW;
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("STATUS",token)) {
|
|
ret=MYSQL_COM_QUERY_SHOW_TABLE_STATUS;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (!mystrcasecmp("START",token)) { // START
|
|
token=(char *)tokenize(&tok);
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TRANSACTION",token)) {
|
|
ret=MYSQL_COM_QUERY_START_TRANSACTION;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case 't':
|
|
case 'T':
|
|
if (!strcasecmp("TRUNCATE",token)) { // TRUNCATE
|
|
if (token==NULL) break;
|
|
if (!strcasecmp("TABLE",token)) {
|
|
ret=MYSQL_COM_QUERY_TRUNCATE_TABLE;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 'u':
|
|
case 'U':
|
|
if (!strcasecmp("UNLOCK",token)) { // UNLOCK
|
|
ret=MYSQL_COM_QUERY_UNLOCK_TABLES;
|
|
break;
|
|
}
|
|
if (!strcasecmp("UPDATE",token)) { // UPDATE
|
|
ret=MYSQL_COM_QUERY_UPDATE;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
__exit__query_parser_command_type:
|
|
free_tokenizer( &tok );
|
|
if (qp->query_prefix) {
|
|
free(qp->query_prefix);
|
|
qp->query_prefix=NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bool Query_Processor::query_parser_first_comment(Query_Processor_Output *qpo, char *fc) {
|
|
bool ret=false;
|
|
tokenizer_t tok = tokenizer( fc, ";", TOKENIZER_NO_EMPTIES );
|
|
const char* token;
|
|
for ( token = tokenize( &tok ) ; token ; token = tokenize( &tok ) ) {
|
|
char *key=NULL;
|
|
char *value=NULL;
|
|
c_split_2(token, "=", &key, &value);
|
|
remove_spaces(key);
|
|
remove_spaces(value);
|
|
if (strlen(key)) {
|
|
char c=value[0];
|
|
if (!strcasecmp(key,"cache_ttl")) {
|
|
if (c >= '0' && c <= '9') { // it is a digit
|
|
int t=atoi(value);
|
|
qpo->cache_ttl=t;
|
|
}
|
|
}
|
|
if (!strcasecmp(key,"query_delay")) {
|
|
if (c >= '0' && c <= '9') { // it is a digit
|
|
int t=atoi(value);
|
|
qpo->delay=t;
|
|
}
|
|
}
|
|
if (!strcasecmp(key,"query_retries")) {
|
|
if (c >= '0' && c <= '9') { // it is a digit
|
|
int t=atoi(value);
|
|
qpo->retries=t;
|
|
}
|
|
}
|
|
if (!strcasecmp(key,"query_timeout")) {
|
|
if (c >= '0' && c <= '9') { // it is a digit
|
|
int t=atoi(value);
|
|
qpo->timeout=t;
|
|
}
|
|
}
|
|
if (!strcasecmp(key,"hostgroup")) {
|
|
if (c >= '0' && c <= '9') { // it is a digit
|
|
int t=atoi(value);
|
|
qpo->destination_hostgroup=t;
|
|
}
|
|
}
|
|
if (!strcasecmp(key,"mirror")) {
|
|
if (c >= '0' && c <= '9') { // it is a digit
|
|
int t=atoi(value);
|
|
qpo->mirror_hostgroup=t;
|
|
}
|
|
}
|
|
}
|
|
free(key);
|
|
free(value);
|
|
proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 5, "Variables in comment %s , key=%s , value=%s\n", token, key, value);
|
|
}
|
|
free_tokenizer( &tok );
|
|
return ret;
|
|
}
|
|
|
|
|
|
void Query_Processor::query_parser_free(SQP_par_t *qp) {
|
|
if (qp->digest_text) {
|
|
free(qp->digest_text);
|
|
qp->digest_text=NULL;
|
|
}
|
|
if (qp->first_comment) {
|
|
free(qp->first_comment);
|
|
qp->first_comment=NULL;
|
|
}
|
|
};
|