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debug.c
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debug.c
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/*
Copyright 2015 Bloomberg Finance L.P.
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 <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <segstr.h>
#include <stdarg.h>
#include <compat.h>
#include "comdb2.h"
#include "tag.h"
#include "net.h"
#include "logmsg.h"
#include "time_accounting.h"
#include "intern_strings.h"
int osql_disable_net_test(void);
int osql_enable_net_test(int testnum);
/* which netinfo_ptr to use */
enum { NETINFO_NONE = 0, NETINFO_OSQL = 1, NETINFO_REP = 2 };
/* which event */
enum { NETTEST_NONE = 0, NETTEST_ENABLE = 1, NETTEST_DISABLE = 2 };
/* print a description of each tcm test */
static void tcmtest_printlist()
{
logmsg(LOGMSG_USER, "routecpu <node> - set routecpu test-node to "
"<node> (routes off the node)\n");
logmsg(LOGMSG_USER, "nettest <opts> - enable net debugging - use "
"'help' for opts\n");
logmsg(LOGMSG_USER, "\n");
}
/* nettest usage */
static void nettest_usage(void)
{
logmsg(LOGMSG_USER, "Usage: nettest [enable|disable] [rep|osql] <testname>\n");
logmsg(LOGMSG_USER, "Only testname currently is 'queuefull' test\n");
logmsg(LOGMSG_USER, "\n");
}
char *tcmtest_routecpu_down_node;
/* parse debug trap @send debug <cmd> */
void debug_trap(char *line, int lline)
{
char table[MAXTABLELEN];
char tag[MAXTAGLEN];
int st = 0;
char *tok;
int ltok;
tok = segtok(line, lline, &st, <ok);
if (tokcmp(tok, ltok, "delsc") == 0) {
tok = segtok(line, lline, &st, <ok);
if (ltok >= MAXTABLELEN || ltok <= 0) {
logmsg(LOGMSG_ERROR, "Invalid table.\n");
return;
}
tokcpy(tok, ltok, table);
tok = segtok(line, lline, &st, <ok);
if (ltok >= MAXTABLELEN || ltok <= 0) {
logmsg(LOGMSG_ERROR, "Invalid tag.\n");
return;
}
tokcpy(tok, ltok, tag);
del_tag_schema(table, tag);
} else if (tokcmp(tok, ltok, "tcmtest") == 0) {
/* grab the tcmtest-name */
tok = segtok(line, lline, &st, <ok);
/* list tcmtests */
if ((tokcmp(tok, ltok, "list") == 0) ||
(tokcmp(tok, ltok, "help") == 0)) {
tcmtest_printlist();
}
else if (tokcmp(tok, ltok, "routecpu") == 0) {
tok = segtok(line, lline, &st, <ok);
char *host = NULL;
if (ltok > 0) {
char *tmphost = tokdup(tok, ltok);
char *end = NULL;
int node = strtol(tmphost, &end, 10);
if (*end == 0) { /* consumed entire token */
if (node > 0) {
host = hostname(node);
}
} else {
host = intern(tmphost);
}
free(tmphost);
}
logmsg(LOGMSG_USER, "%s routecpu test for node %s\n",
host ? "enable" : "disable",
host ? host : tcmtest_routecpu_down_node);
tcmtest_routecpu_down_node = host;
}
/* netdebug tests */
else if (tokcmp(tok, ltok, "nettest") == 0) {
int whichnet = NETINFO_NONE;
int whichtest = NET_TEST_NONE;
int whichevt = NETTEST_NONE;
/* 'enable' or 'disable' */
tok = segtok(line, lline, &st, <ok);
if (ltok <= 0 || tokcmp(tok, ltok, "help") == 0) {
nettest_usage();
return;
} else if (tokcmp(tok, ltok, "enable") == 0) {
whichevt = NETTEST_ENABLE;
} else if (tokcmp(tok, ltok, "disable") == 0) {
whichevt = NETTEST_DISABLE;
} else {
logmsg(LOGMSG_ERROR, "expected 'enable' or 'disable'\n");
nettest_usage();
return;
}
/* 'rep' or 'osql' */
tok = segtok(line, lline, &st, <ok);
if (ltok <= 0) {
logmsg(LOGMSG_ERROR, "expected 'rep' or 'osql' network layer\n");
nettest_usage();
return;
} else if (tokcmp(tok, ltok, "rep") == 0) {
whichnet = NETINFO_REP;
} else if (tokcmp(tok, ltok, "osql") == 0) {
whichnet = NETINFO_OSQL;
}
if (NETINFO_NONE == whichnet) {
logmsg(LOGMSG_ERROR, "invalid netinfo target for nettest\n");
nettest_usage();
return;
}
/* 'queuefull' */
tok = segtok(line, lline, &st, <ok);
if (ltok > 0 && tokcmp(tok, ltok, "queuefull") == 0) {
whichtest = NET_TEST_QUEUE_FULL;
} else if (NETTEST_ENABLE == whichevt) {
logmsg(LOGMSG_ERROR, "invalid test\n");
nettest_usage();
return;
}
/* disable test*/
if (whichevt == NETTEST_DISABLE) {
if (NETINFO_OSQL == whichnet) {
osql_disable_net_test();
} else {
net_disable_test(thedb->handle_sibling);
}
}
/* enable test */
else {
if (NETINFO_OSQL == whichnet) {
osql_enable_net_test(whichtest);
} else {
net_enable_test(thedb->handle_sibling, whichtest);
}
}
}
} else if (tokcmp(tok, ltok, "timings") == 0) {
print_all_time_accounting();
} else if (tokcmp(tok, ltok, "help") == 0) {
logmsg(LOGMSG_USER, "tcmtest <test> - enable a cdb2tcm test\n");
logmsg(LOGMSG_USER, "tcmtest list - list cdb2tcm tests\n");
logmsg(LOGMSG_USER, "getvers table - get schema version for table (or all)\n");
logmsg(LOGMSG_USER, "putvers table num - set schema version for table\n");
logmsg(LOGMSG_USER, "delsc table tag - delete a tag\n");
logmsg(LOGMSG_USER, "timings - print all accumulated "
"timing measurements \n");
} else {
logmsg(LOGMSG_ERROR, "Unknown debug command <%.*s>\n", ltok, tok);
}
}