diff --git a/contrib/queryperf/.gitignore b/contrib/queryperf/.gitignore deleted file mode 100644 index ddf89f8622..0000000000 --- a/contrib/queryperf/.gitignore +++ /dev/null @@ -1 +0,0 @@ -queryperf diff --git a/contrib/queryperf/Makefile.in b/contrib/queryperf/Makefile.in deleted file mode 100644 index 6e16cad5f0..0000000000 --- a/contrib/queryperf/Makefile.in +++ /dev/null @@ -1,28 +0,0 @@ -# Copyright (C) 2000, 2001 Nominum, Inc. All Rights Reserved. - -CC = @CC@ -LIBOBJS = @LIBOBJS@ -LIBS = @LIBS@ -DEFS = @DEFS@ - -queryperf: queryperf.o $(LIBOBJS) - $(CC) $(CFLAGS) $(DEFS) $(LDFLAGS) queryperf.o $(LIBOBJS) $(LIBS) -lm -o queryperf - -queryperf.o: queryperf.c - $(CC) $(CFLAGS) $(DEFS) -c queryperf.c - -# under missing subdir -getaddrinfo.o: ./missing/getaddrinfo.c - $(CC) $(CFLAGS) -c ./missing/$*.c - -getnameinfo.o: ./missing/getnameinfo.c - $(CC) $(CFLAGS) -c ./missing/$*.c - -clean: - rm -f *.o queryperf - -distclean: clean - rm -f config.log - rm -f config.cache - rm -f config.status - rm -f Makefile diff --git a/contrib/queryperf/README b/contrib/queryperf/README deleted file mode 100644 index a52c31d114..0000000000 --- a/contrib/queryperf/README +++ /dev/null @@ -1,79 +0,0 @@ -This is queryperf, a DNS server query performance testing tool. - -It is primarily intended for measuring the performance of -authoritative DNS servers, but it has also been used for measuring -caching server performance. This document describes the use of -queryperf for authoritative server performance testing. - - -Building - -To build queryperf, just do - - sh configure - make - - -The test environment - -It is recommended that you run queryperf and the name server under -test on separate machines, so that the CPU usage of queryperf itself -does not slow down the name server. The two machines should be -connected with a fast network, preferably a dedicated 100baseT -segment. Testing through a router or firewall is not advisable. - - -Configuring the server - -The name server under test should be set up as an authoritative -server, serving one or more zones similar in size and number to -what the server is expected to serve in production. - -Be sure to turn off recursion in the server's configuration -(in BIND 8/9, specify "recursion no;" in the options block). -In BIND 8, you should also specify "fetch-glue no;"; otherwise -the server may attempt to retrieve glue information from the -Internet during the test, slowing it down by an unpredictable -factor. - - -Constructing the input file - -You need to construct a queryperf input file containing a large and -realistic set of queries, on the order of ten thousand to a million. -The input file contains one line per query, consisting of a domain -name and an RR type name separated by a space. The class of the -query is implicitly IN. - -When measuring the performance serving non-terminal zones such as the -root zone or TLDs, note that such servers spend most of their time -providing referral responses, not authoritative answers. Therefore, a -realistic input file might consist mostly of queries for type A for -names *below*, not at, the delegations present in the zone. For -example, when testing the performance of a server configured to be -authoritative for the top-level domain "fi.", which contains -delegations for domains like "helsinki.fi" and "turku.fi", the input -file could contain lines like - - www.turku.fi A - www.helsinki.fi A - -where the "www" prefix ensures that the server will respond with a -referral. Ideally, a realistic proportion of queries for nonexistent -domains should be mixed in with those for existing ones, and the lines -of the input file should be in a random order. - - -Running the tests - -Queryperf is run specifying the input file using the "-d" option, as -in - - queryperf -d input_file -s server - -The output of queryperf is mostly self-explanatory. Pay attention to -the number of dropped packets reported - when running the test over a -local Ethernet connection, it should be zero. If one or more packets -has been dropped, there may be a problem with the network connection. -In that case, the results should be considered suspect and the test -repeated. diff --git a/contrib/queryperf/config.h.in b/contrib/queryperf/config.h.in deleted file mode 100644 index d25bc55fe2..0000000000 --- a/contrib/queryperf/config.h.in +++ /dev/null @@ -1,34 +0,0 @@ -/* config.h.in. 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IN NO EVENT SHALL -# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, -# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING -# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, -# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION -# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -# - -AC_INIT(queryperf.c) - -AC_PREREQ(2.13) - -AC_PROG_CC - -AC_DEFUN(AC_TYPE_SOCKLEN_T, -[AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t, -[ - AC_TRY_COMPILE( - [#include - #include ], - [socklen_t len = 42; return len;], - ac_cv_type_socklen_t=yes, - ac_cv_type_socklen_t=no) -]) - if test $ac_cv_type_socklen_t != yes; then - AC_DEFINE(socklen_t, int, [Define to `int' if `socklen_t' does not exist.]) - fi -]) - -AC_DEFUN(AC_SA_LEN, -[AC_CACHE_CHECK([for sa_len], ac_cv_sa_len, -[ - AC_TRY_COMPILE( - [#include - #include ], - [struct sockaddr sa; sa.sa_len = 0;], - ac_cv_sa_len=yes, - ac_cv_sa_len=no) -]) - if test $ac_cv_sa_len = yes; then - AC_DEFINE(HAVE_SA_LEN, 1, [Define to 1 if `struct sockaddr' has element `sa_len'.]) - fi -]) - -AC_CONFIG_HEADERS(config.h) -AC_SEARCH_LIBS(res_mkquery, resolv bind) -AC_SEARCH_LIBS(__res_mkquery, resolv bind) -AC_SEARCH_LIBS(res_9_mkquery, resolv bind) -AC_CHECK_LIB(socket, socket) -AC_CHECK_LIB(nsl, inet_ntoa) -AC_CHECK_FUNCS(gethostbyname2) - -AC_TYPE_SOCKLEN_T -AC_SA_LEN - -AC_OUTPUT(Makefile) diff --git a/contrib/queryperf/input/sample.0 b/contrib/queryperf/input/sample.0 deleted file mode 100644 index 024d8a0a33..0000000000 --- a/contrib/queryperf/input/sample.0 +++ /dev/null @@ -1,6 +0,0 @@ -; This is a comment -#server ns.sector93.ie -#port 53 -#maxwait 5 -meow.com MX -1.0.0.10.in-addr.arpa PTR diff --git a/contrib/queryperf/input/sample.1 b/contrib/queryperf/input/sample.1 deleted file mode 100644 index e2911a5881..0000000000 --- a/contrib/queryperf/input/sample.1 +++ /dev/null @@ -1,13 +0,0 @@ -; Sample input data file - -;#server ns.sector93.ie -;#port 53 -;#maxwait 10 - -1-host.com ANY -1-linknet.com A -1.0-127.35.195.200.in-addr.arpa PTR -1.0-63.236.210.200.in-addr.arpa PTR -1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.int PTR -1.0.0.0.in-addr.arpa PTR -1.0.0.10.in-addr.arpa PTR diff --git a/contrib/queryperf/queryperf.c b/contrib/queryperf/queryperf.c deleted file mode 100644 index 0dbffa95f6..0000000000 --- a/contrib/queryperf/queryperf.c +++ /dev/null @@ -1,2232 +0,0 @@ -/* - * Copyright (C) 2000, 2001 Nominum, Inc. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM - * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL - * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING - * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/*** - *** DNS Query Performance Testing Tool (queryperf.c) - *** - *** Stephen Jacob - ***/ - -#define BIND_8_COMPAT /* Pull in */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* - * Configuration defaults - */ - -#define DEF_MAX_QUERIES_OUTSTANDING 20 -#define DEF_QUERY_TIMEOUT 5 /* in seconds */ -#define DEF_SERVER_TO_QUERY "127.0.0.1" -#define DEF_SERVER_PORT "53" -#define DEF_BUFFER_SIZE 32 /* in k */ - -#define DEF_RTTARRAY_SIZE 50000 -#define DEF_RTTARRAY_UNIT 100 /* in usec */ - -/* - * Other constants / definitions - */ - -#define COMMENT_CHAR ';' -#define CONFIG_CHAR '#' -#define MAX_PORT 65535 -#define MAX_INPUT_LEN 512 -#define MAX_DOMAIN_LEN 255 -#define MAX_BUFFER_LEN 8192 /* in bytes */ -#define HARD_TIMEOUT_EXTRA 5 /* in seconds */ -#define RESPONSE_BLOCKING_WAIT_TIME 0.1 /* in seconds */ -#define EDNSLEN 11 -#define DNS_HEADERLEN 12 - -#define FALSE 0 -#define TRUE 1 - -#define WHITESPACE " \t\n" - -enum directives_enum { V_SERVER, V_PORT, V_MAXQUERIES, V_MAXWAIT }; -#define DIRECTIVES { "server", "port", "maxqueries", "maxwait" } -#define DIR_VALUES { V_SERVER, V_PORT, V_MAXQUERIES, V_MAXWAIT } - -#define QTYPE_STRINGS { \ - "A", "NS", "MD", "MF", "CNAME", "SOA", "MB", "MG", "MR", \ - "NULL", "WKS", "PTR", "HINFO", "MINFO", "MX", "TXT", "RP", \ - "AFSDB", "X25", "ISDN", "RT", "NSAP", "NSAP-PTR", "SIG", \ - "KEY", "PX", "GPOS", "AAAA", "LOC", "NXT", "EID", "NIMLOC", \ - "SRV", "ATMA", "NAPTR", "KX", "CERT", "A6", "DNAME", "SINK", \ - "OPT", "APL", "DS", "SSHFP", "IPSECKEY", "RRSIG", "NSEC", \ - "DNSKEY", "DHCID", "NSEC3", "NSEC3PARAM", "TLSA", "HIP", \ - "NINFO", "RKEY", "TALINK", "CDS", "SPF", "UINFO", "UID", \ - "GID", "UNSPEC", "NID", "L32", "L64", "LP", "TKEY", "TSIG", \ - "IXFR", "AXFR", "MAILB", "MAILA", "URI", "CAA", "*", "ANY", \ - "TA", "DLV" \ -} - -#define QTYPE_CODES { \ - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, \ - 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, \ - 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, \ - 49, 50, 51, 52, 55, 56, 57, 58, 59, 99, 100, 101, 102, 103, \ - 104, 105, 106, 107, 249, 250, 251, 252, 253, 254, 255, 255, \ - 256, 257, 32768, 32769 \ -} - -#define RCODE_STRINGS { \ - "NOERROR", "FORMERR", "SERVFAIL", "NXDOMAIN", \ - "NOTIMP", "REFUSED", "YXDOMAIN", "YXRRSET", \ - "NXRRSET", "NOTAUTH", "NOTZONE", "rcode11", \ - "rcode12", "rcode13", "rcode14", "rcode15" \ -} - -/* - * Data type definitions - */ - -#define QUERY_STATUS_MAGIC 0x51535441U /* QSTA */ -#define VALID_QUERY_STATUS(q) ((q) != NULL && \ - (q)->magic == QUERY_STATUS_MAGIC) - -struct query_status { - unsigned int magic; - int in_use; - unsigned short int id; - struct timeval sent_timestamp; - char *desc; - int qtype; - char qname[MAX_DOMAIN_LEN + 1]; -}; - -struct query_mininfo { /* minimum info for timeout queries */ - int qtype; /* use -1 if N/A */ - struct timeval sent_timestamp; - char qname[MAX_DOMAIN_LEN + 1]; -}; - -/* - * Forward declarations. - */ -int is_uint(char *test_int, unsigned int *result); - -/* - * Configuration options (global) - */ - -unsigned int max_queries_outstanding; /* init 0 */ -unsigned int query_timeout = DEF_QUERY_TIMEOUT; -int ignore_config_changes = FALSE; -unsigned int socket_bufsize = DEF_BUFFER_SIZE; - -int family = AF_UNSPEC; -int use_stdin = TRUE; -char *datafile_name; /* init NULL */ - -char *server_to_query; /* init NULL */ -char *server_port; /* init NULL */ -struct addrinfo *server_ai; /* init NULL */ - -int run_only_once = FALSE; -int use_timelimit = FALSE; -unsigned int run_timelimit; /* init 0 */ -unsigned int print_interval; /* init 0 */ - -unsigned int target_qps; /* init 0 */ - -int serverset = FALSE, portset = FALSE; -int queriesset = FALSE, timeoutset = FALSE; -int edns = FALSE, dnssec = FALSE; -int countrcodes = FALSE; -int rcodecounts[16] = {0}; - -int verbose = FALSE; -int recurse = 1; - -/* - * Other global stuff - */ - -int setup_phase = TRUE; - -FILE *datafile_ptr; /* init NULL */ -unsigned int runs_through_file; /* init 0 */ - -unsigned int num_queries_sent; /* init 0 */ -unsigned int num_queries_sent_interval; -unsigned int num_queries_outstanding; /* init 0 */ -unsigned int num_queries_timed_out; /* init 0 */ -unsigned int num_queries_possiblydelayed; /* init 0 */ -unsigned int num_queries_timed_out_interval; -unsigned int num_queries_possiblydelayed_interval; - -struct timeval time_of_program_start; -struct timeval time_of_first_query; -double time_of_first_query_sec; -struct timeval time_of_first_query_interval; -struct timeval time_of_end_of_run; -struct timeval time_of_stop_sending; - -struct timeval time_of_queryset_start; -double query_interval; -struct timeval time_of_next_queryset; - -double rtt_max = -1; -double rtt_max_interval = -1; -double rtt_min = -1; -double rtt_min_interval = -1; -double rtt_total; -double rtt_total_interval; -int rttarray_size = DEF_RTTARRAY_SIZE; -int rttarray_unit = DEF_RTTARRAY_UNIT; -unsigned int *rttarray = NULL; -unsigned int *rttarray_interval = NULL; -unsigned int rtt_overflows; -unsigned int rtt_overflows_interval; -unsigned int rtt_counted; -unsigned int rtt_counted_interval; -char *rtt_histogram_file = NULL; - -struct query_status *status; /* init NULL */ -unsigned int query_status_allocated; /* init 0 */ - -int query_socket = -1; -int socket4 = -1, socket6 = -1; - -static char *rcode_strings[] = RCODE_STRINGS; - -static struct query_mininfo *timeout_queries; - -/* - * get_uint16: - * Get an unsigned short integer from a buffer (in network order) - */ -static unsigned short -get_uint16(unsigned char *buf) { - unsigned short ret; - - ret = buf[0] * 256 + buf[1]; - - return (ret); -} - -/* - * show_startup_info: - * Show name/version - */ -void -show_startup_info(void) { - printf("\n" -"DNS Query Performance Testing Tool\n" -"Version: $Id: queryperf.c,v 1.12 2007/09/05 07:36:04 marka Exp $\n" -"\n"); -} - -/* - * show_usage: - * Print out usage/syntax information - */ -void -show_usage(void) { - fprintf(stderr, -"\n" -"Usage: queryperf [-d datafile] [-s server_addr] [-p port] [-q num_queries]\n" -" [-b bufsize] [-t timeout] [-n] [-l limit] [-f family] [-1]\n" -" [-i interval] [-r arraysize] [-u unit] [-H histfile]\n" -" [-T qps] [-e] [-D] [-R] [-c] [-v] [-h]\n" -" -d specifies the input data file (default: stdin)\n" -" -s sets the server to query (default: %s)\n" -" -p sets the port on which to query the server (default: %s)\n" -" -q specifies the maximum number of queries outstanding (default: %d)\n" -" -t specifies the timeout for query completion in seconds (default: %d)\n" -" -n causes configuration changes to be ignored\n" -" -l specifies how a limit for how long to run tests in seconds (no default)\n" -" -1 run through input only once (default: multiple iff limit given)\n" -" -b set input/output buffer size in kilobytes (default: %d k)\n" -" -i specifies interval of intermediate outputs in seconds (default: 0=none)\n" -" -f specify address family of DNS transport, inet or inet6 (default: any)\n" -" -r set RTT statistics array size (default: %d)\n" -" -u set RTT statistics time unit in usec (default: %d)\n" -" -H specifies RTT histogram data file (default: none)\n" -" -T specify the target qps (default: 0=unspecified)\n" -" -e enable EDNS 0\n" -" -D set the DNSSEC OK bit (implies EDNS)\n" -" -R disable recursion\n" -" -c print the number of packets with each rcode\n" -" -v verbose: report the RCODE of each response on stdout\n" -" -h print this usage\n" -"\n", - DEF_SERVER_TO_QUERY, DEF_SERVER_PORT, - DEF_MAX_QUERIES_OUTSTANDING, DEF_QUERY_TIMEOUT, - DEF_BUFFER_SIZE, DEF_RTTARRAY_SIZE, DEF_RTTARRAY_UNIT); -} - -/* - * set_datafile: - * Set the datafile to read - * - * Return -1 on failure - * Return a non-negative integer otherwise - */ -int -set_datafile(char *new_file) { - char *dfname_tmp; - - if ((new_file == NULL) || (new_file[0] == '\0')) { - fprintf(stderr, "Error: null datafile name\n"); - return (-1); - } - - if ((dfname_tmp = malloc(strlen(new_file) + 1)) == NULL) { - fprintf(stderr, "Error allocating memory for datafile name: " - "%s\n", new_file); - return (-1); - } - - free(datafile_name); - datafile_name = dfname_tmp; - - strcpy(datafile_name, new_file); - use_stdin = FALSE; - - return (0); -} - -/* - * set_input_stdin: - * Set the input to be stdin (instead of a datafile) - */ -void -set_input_stdin(void) { - use_stdin = TRUE; - free(datafile_name); - datafile_name = NULL; -} - -/* - * set_server: - * Set the server to be queried - * - * Return -1 on failure - * Return a non-negative integer otherwise - */ -int -set_server(char *new_name) { - static struct hostent *server_he; - - /* If no change in server name, don't do anything... */ - if ((server_to_query != NULL) && (new_name != NULL)) - if (strcmp(new_name, server_to_query) == 0) - return (0); - - if ((new_name == NULL) || (new_name[0] == '\0')) { - fprintf(stderr, "Error: null server name\n"); - return (-1); - } - - free(server_to_query); - server_to_query = NULL; - - if ((server_to_query = malloc(strlen(new_name) + 1)) == NULL) { - fprintf(stderr, "Error allocating memory for server name: " - "%s\n", new_name); - return (-1); - } - - strcpy(server_to_query, new_name); - - return (0); -} - -/* - * set_server_port: - * Set the port on which to contact the server - * - * Return -1 if port is invalid - * Return a non-negative integer otherwise - */ -int -set_server_port(char *new_port) { - unsigned int uint_val; - - if ((is_uint(new_port, &uint_val)) != TRUE) - return (-1); - - if (uint_val && uint_val > MAX_PORT) - return (-1); - else { - if (server_port != NULL && new_port != NULL && - strcmp(server_port, new_port) == 0) - return (0); - - free(server_port); - server_port = NULL; - - if ((server_port = malloc(strlen(new_port) + 1)) == NULL) { - fprintf(stderr, - "Error allocating memory for server port: " - "%s\n", new_port); - return (-1); - } - - strcpy(server_port, new_port); - - return (0); - } -} - -int -set_server_sa(void) { - struct addrinfo hints, *res; - static struct protoent *proto; - int error; - - if (proto == NULL && (proto = getprotobyname("udp")) == NULL) { - fprintf(stderr, "Error: getprotobyname call failed"); - return (-1); - } - - memset(&hints, 0, sizeof(hints)); - hints.ai_family = family; - hints.ai_socktype = SOCK_DGRAM; - hints.ai_protocol = proto->p_proto; - if ((error = getaddrinfo(server_to_query, server_port, - &hints, &res)) != 0) { - fprintf(stderr, "Error: getaddrinfo(%s, %s) failed\n", - server_to_query, server_port); - return (-1); - } - - /* replace the server's addrinfo */ - if (server_ai != NULL) - freeaddrinfo(server_ai); - server_ai = res; - return (0); -} - -/* - * is_digit: - * Tests if a character is a digit - * - * Return TRUE if it is - * Return FALSE if it is not - */ -int -is_digit(char d) { - if (d < '0' || d > '9') - return (FALSE); - else - return (TRUE); -} - -/* - * is_uint: - * Tests if a string, test_int, is a valid unsigned integer - * - * Sets *result to be the unsigned integer if it is valid - * - * Return TRUE if it is - * Return FALSE if it is not - */ -int -is_uint(char *test_int, unsigned int *result) { - unsigned long int value; - char *end; - - if (test_int == NULL) - return (FALSE); - - if (is_digit(test_int[0]) == FALSE) - return (FALSE); - - value = strtoul(test_int, &end, 10); - - if ((errno == ERANGE) || (*end != '\0') || (value > UINT_MAX)) - return (FALSE); - - *result = (unsigned int)value; - return (TRUE); -} - -/* - * set_max_queries: - * Set the maximum number of outstanding queries - * - * Returns -1 on failure - * Returns a non-negative integer otherwise - */ -int -set_max_queries(unsigned int new_max) { - static unsigned int size_qs = sizeof(struct query_status); - struct query_status *temp_stat; - unsigned int count; - - if (new_max > query_status_allocated) { - temp_stat = realloc(status, new_max * size_qs); - - if (temp_stat == NULL) { - fprintf(stderr, "Error resizing query_status\n"); - return (-1); - } else { - status = temp_stat; - - /* - * Be careful to only initialise between above - * the previously allocated space. Note that the - * allocation may be larger than the current - * max_queries_outstanding. We don't want to - * "forget" any outstanding queries! We might - * still have some above the bounds of the max. - */ - count = query_status_allocated; - for (; count < new_max; count++) { - status[count].in_use = FALSE; - status[count].magic = QUERY_STATUS_MAGIC; - status[count].desc = NULL; - } - - query_status_allocated = new_max; - } - } - - max_queries_outstanding = new_max; - - return (0); -} - -/* - * parse_args: - * Parse program arguments and set configuration options - * - * Return -1 on failure - * Return a non-negative integer otherwise - */ -int -parse_args(int argc, char **argv) { - int c; - unsigned int uint_arg_val; - - while ((c = getopt(argc, argv, - "f:q:t:i:nd:s:p:1l:b:eDcvr:RT:u:H:h")) != -1) { - switch (c) { - case 'f': - if (strcmp(optarg, "inet") == 0) - family = AF_INET; -#ifdef AF_INET6 - else if (strcmp(optarg, "inet6") == 0) - family = AF_INET6; -#endif - else if (strcmp(optarg, "any") == 0) - family = AF_UNSPEC; - else { - fprintf(stderr, "Invalid address family: %s\n", - optarg); - return (-1); - } - break; - case 'q': - if (is_uint(optarg, &uint_arg_val) == TRUE) { - set_max_queries(uint_arg_val); - queriesset = TRUE; - } else { - fprintf(stderr, "Option requires a positive " - "integer value: -%c %s\n", - c, optarg); - return (-1); - } - break; - - case 't': - if (is_uint(optarg, &uint_arg_val) == TRUE) { - query_timeout = uint_arg_val; - timeoutset = TRUE; - } else { - fprintf(stderr, "Option requires a positive " - "integer value: -%c %s\n", - c, optarg); - return (-1); - } - break; - - case 'n': - ignore_config_changes = TRUE; - break; - - case 'd': - if (set_datafile(optarg) == -1) { - fprintf(stderr, "Error setting datafile " - "name: %s\n", optarg); - return (-1); - } - break; - - case 's': - if (set_server(optarg) == -1) { - fprintf(stderr, "Error setting server " - "name: %s\n", optarg); - return (-1); - } - serverset = TRUE; - break; - - case 'p': - if (is_uint(optarg, &uint_arg_val) == TRUE && - uint_arg_val < MAX_PORT) - { - set_server_port(optarg); - portset = TRUE; - } else { - fprintf(stderr, "Option requires a positive " - "integer between 0 and %d: -%c %s\n", - MAX_PORT - 1, c, optarg); - return (-1); - } - break; - - case '1': - run_only_once = TRUE; - break; - - case 'l': - if (is_uint(optarg, &uint_arg_val) == TRUE) { - use_timelimit = TRUE; - run_timelimit = uint_arg_val; - } else { - fprintf(stderr, "Option requires a positive " - "integer: -%c %s\n", - c, optarg); - return (-1); - } - break; - - case 'b': - if (is_uint(optarg, &uint_arg_val) == TRUE) { - socket_bufsize = uint_arg_val; - } else { - fprintf(stderr, "Option requires a positive " - "integer: -%c %s\n", - c, optarg); - return (-1); - } - break; - case 'e': - edns = TRUE; - break; - case 'D': - dnssec = TRUE; - edns = TRUE; - break; - case 'c': - countrcodes = TRUE; - break; - case 'v': - verbose = 1; - break; - case 'i': - if (is_uint(optarg, &uint_arg_val) == TRUE) - print_interval = uint_arg_val; - else { - fprintf(stderr, "Invalid interval: %s\n", - optarg); - return (-1); - } - break; - case 'R': - recurse = 0; - break; - case 'r': - if (is_uint(optarg, &uint_arg_val) == TRUE) - rttarray_size = uint_arg_val; - else { - fprintf(stderr, "Invalid RTT array size: %s\n", - optarg); - return (-1); - } - break; - case 'u': - if (is_uint(optarg, &uint_arg_val) == TRUE) - rttarray_unit = uint_arg_val; - else { - fprintf(stderr, "Invalid RTT unit: %s\n", - optarg); - return (-1); - } - break; - case 'H': - rtt_histogram_file = optarg; - break; - case 'T': - if (is_uint(optarg, &uint_arg_val) == TRUE) - target_qps = uint_arg_val; - else { - fprintf(stderr, "Invalid target qps: %s\n", - optarg); - return (-1); - } - break; - case 'h': - return (-1); - default: - fprintf(stderr, "Invalid option: -%c\n", optopt); - return (-1); - } - } - - if (run_only_once == FALSE && use_timelimit == FALSE) - run_only_once = TRUE; - - return (0); -} - -/* - * open_datafile: - * Open the data file ready for reading - * - * Return -1 on failure - * Return non-negative integer on success - */ -int -open_datafile(void) { - if (use_stdin == TRUE) { - datafile_ptr = stdin; - return (0); - } else { - if ((datafile_ptr = fopen(datafile_name, "r")) == NULL) { - fprintf(stderr, "Error: unable to open datafile: %s\n", - datafile_name); - return (-1); - } else - return (0); - } -} - -/* - * close_datafile: - * Close the data file if any is open - * - * Return -1 on failure - * Return non-negative integer on success, including if not needed - */ -int -close_datafile(void) { - if ((use_stdin == FALSE) && (datafile_ptr != NULL)) { - if (fclose(datafile_ptr) != 0) { - fprintf(stderr, "Error: unable to close datafile\n"); - return (-1); - } - } - - return (0); -} - -/* - * open_socket: - * Open a socket for the queries. When we have an active socket already, - * close it and open a new one. - * - * Return -1 on failure - * Return the socket identifier - */ -int -open_socket(void) { - int sock; - int ret; - int bufsize; - struct addrinfo hints, *res; - - memset(&hints, 0, sizeof(hints)); - hints.ai_family = server_ai->ai_family; - hints.ai_socktype = server_ai->ai_socktype; - hints.ai_protocol = server_ai->ai_protocol; - hints.ai_flags = AI_PASSIVE; - - if ((ret = getaddrinfo(NULL, "0", &hints, &res)) != 0) { - fprintf(stderr, - "Error: getaddrinfo for bind socket failed: %s\n", - gai_strerror(ret)); - return (-1); - } - - if ((sock = socket(res->ai_family, SOCK_DGRAM, - res->ai_protocol)) == -1) { - fprintf(stderr, "Error: socket call failed"); - goto fail; - } - -#if defined(AF_INET6) && defined(IPV6_V6ONLY) - if (res->ai_family == AF_INET6) { - int on = 1; - - if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, - &on, sizeof(on)) == -1) { - fprintf(stderr, - "Warning: setsockopt(IPV6_V6ONLY) failed\n"); - } - } -#endif - - if (bind(sock, res->ai_addr, res->ai_addrlen) == -1) - fprintf(stderr, "Error: bind call failed"); - - freeaddrinfo(res); - - bufsize = 1024 * socket_bufsize; - - ret = setsockopt(sock, SOL_SOCKET, SO_RCVBUF, - (char *) &bufsize, sizeof(bufsize)); - if (ret < 0) - fprintf(stderr, "Warning: setsockbuf(SO_RCVBUF) failed\n"); - - ret = setsockopt(sock, SOL_SOCKET, SO_SNDBUF, - (char *) &bufsize, sizeof(bufsize)); - if (ret < 0) - fprintf(stderr, "Warning: setsockbuf(SO_SNDBUF) failed\n"); - - return (sock); - - fail: - if (res) - freeaddrinfo(res); - return (-1); -} - -/* - * close_socket: - * Close the query socket(s) - * - * Return -1 on failure - * Return a non-negative integer otherwise - */ -int -close_socket(void) { - if (socket4 != -1) { - if (close(socket4) != 0) { - fprintf(stderr, - "Error: unable to close IPv4 socket\n"); - return (-1); - } - } - - if (socket6 != -1) { - if (close(socket6) != 0) { - fprintf(stderr, - "Error: unable to close IPv6 socket\n"); - return (-1); - } - } - - query_socket = -1; - - return (0); -} - -/* - * change_socket: - * Choose an appropriate socket according to the address family of the - * current server. Open a new socket if necessary. - * - * Return -1 on failure - * Return the socket identifier - */ -int -change_socket(void) { - int s, *sockp; - - switch (server_ai->ai_family) { - case AF_INET: - sockp = &socket4; - break; -#ifdef AF_INET6 - case AF_INET6: - sockp = &socket6; - break; -#endif - default: - fprintf(stderr, "unexpected address family: %d\n", - server_ai->ai_family); - exit(1); - } - - if (*sockp == -1) { - if ((s = open_socket()) == -1) - return (-1); - *sockp = s; - } - - return (*sockp); -} - -/* - * reset_rttarray: - * (re)allocate RTT array and zero-clear the whole buffer. - * if array is being used, it is freed. - * Returns -1 on failure - * Returns a non-negative integer otherwise - */ -int -reset_rttarray(int size) { - if (rttarray != NULL) - free(rttarray); - if (rttarray_interval != NULL) - free(rttarray_interval); - - rttarray = NULL; - rttarray_interval = NULL; - rtt_max = -1; - rtt_min = -1; - - if (size > 0) { - rttarray = malloc(size * sizeof(rttarray[0])); - if (rttarray == NULL) { - fprintf(stderr, - "Error: allocating memory for RTT array\n"); - return (-1); - } - memset(rttarray, 0, size * sizeof(rttarray[0])); - - rttarray_interval = malloc(size * - sizeof(rttarray_interval[0])); - if (rttarray_interval == NULL) { - fprintf(stderr, - "Error: allocating memory for RTT array\n"); - return (-1); - } - - memset(rttarray_interval, 0, - size * sizeof(rttarray_interval[0])); - } - - return (0); -} - -/* - * set_query_interval: - * set the interval of consecutive queries if the target qps are specified. - * Returns -1 on failure - * Returns a non-negative integer otherwise - */ -int -set_query_interval(unsigned int qps) { - if (qps == 0) - return (0); - - query_interval = (1.0 / (double)qps); - - return (0); -} - -/* - * setup: - * Set configuration options from command line arguments - * Open datafile ready for reading - * - * Return -1 on failure - * Return non-negative integer on success - */ -int -setup(int argc, char **argv) { - set_input_stdin(); - - if (set_max_queries(DEF_MAX_QUERIES_OUTSTANDING) == -1) { - fprintf(stderr, "%s: Unable to set default max outstanding " - "queries\n", argv[0]); - return (-1); - } - - if (set_server(DEF_SERVER_TO_QUERY) == -1) { - fprintf(stderr, "%s: Error setting default server name\n", - argv[0]); - return (-1); - } - - if (set_server_port(DEF_SERVER_PORT) == -1) { - fprintf(stderr, "%s: Error setting default server port\n", - argv[0]); - return (-1); - } - - if (parse_args(argc, argv) == -1) { - show_usage(); - return (-1); - } - - if (open_datafile() == -1) - return (-1); - - if (set_server_sa() == -1) - return (-1); - - if ((query_socket = change_socket()) == -1) - return (-1); - - if (reset_rttarray(rttarray_size) == -1) - return (-1); - - if (set_query_interval(target_qps) == -1) - return (-1); - - return (0); -} - -/* - * set_timenow: - * Set a timeval struct to indicate the current time - */ -void -set_timenow(struct timeval *tv) { - if (gettimeofday(tv, NULL) == -1) { - fprintf(stderr, "Error in gettimeofday(). Using inaccurate " - "time() instead\n"); - tv->tv_sec = time(NULL); - tv->tv_usec = 0; - } -} - -/* - * addtv: - * add tv1 and tv2, store the result in tv_result. - */ -void -addtv(struct timeval *tv1, struct timeval *tv2, struct timeval *tv_result) { - tv_result->tv_sec = tv1->tv_sec + tv2->tv_sec; - tv_result->tv_usec = tv1->tv_usec + tv2->tv_usec; - if (tv_result->tv_usec > 1000000) { - tv_result->tv_sec++; - tv_result->tv_usec -= 1000000; - } -} - -/* - * difftv: - * Find the difference in seconds between two timeval structs. - * - * Return the difference between tv1 and tv2 in seconds in a double. - */ -double -difftv(struct timeval tv1, struct timeval tv2) { - long diff_sec, diff_usec; - double diff; - - diff_sec = tv1.tv_sec - tv2.tv_sec; - diff_usec = tv1.tv_usec - tv2.tv_usec; - - diff = (double)diff_sec + ((double)diff_usec / 1000000.0); - - return (diff); -} - -/* - * timelimit_reached: - * Have we reached the time limit (if any)? - * - * Returns FALSE if there is no time limit or if we have not reached it - * Returns TRUE otherwise - */ -int -timelimit_reached(void) { - struct timeval time_now; - - set_timenow(&time_now); - - if (use_timelimit == FALSE) - return (FALSE); - - if (setup_phase == TRUE) { - if (difftv(time_now, time_of_program_start) - < (double)(run_timelimit + HARD_TIMEOUT_EXTRA)) - return (FALSE); - else - return (TRUE); - } else { - if (difftv(time_now, time_of_first_query) - < (double)run_timelimit) - return (FALSE); - else - return (TRUE); - } -} - -/* - * keep_sending: - * Should we keep sending queries or stop here? - * - * Return TRUE if we should keep on sending queries - * Return FALSE if we should stop - * - * Side effects: - * Rewinds the input and clears reached_end_input if we have reached the - * end of the input, but we are meant to run through it multiple times - * and have not hit the time limit yet (if any is set). - */ -int -keep_sending(int *reached_end_input) { - static int stop = FALSE; - - if (stop == TRUE) - return (FALSE); - - if ((*reached_end_input == FALSE) && (timelimit_reached() == FALSE)) - return (TRUE); - else if ((*reached_end_input == TRUE) && (run_only_once == FALSE) - && (timelimit_reached() == FALSE)) { - rewind(datafile_ptr); - *reached_end_input = FALSE; - runs_through_file++; - return (TRUE); - } else { - if (*reached_end_input == TRUE) - runs_through_file++; - set_timenow(&time_of_stop_sending); - stop = TRUE; - return (FALSE); - } -} - -/* - * queries_outstanding: - * How many queries are outstanding? - * - * Returns the number of outstanding queries - */ -unsigned int -queries_outstanding(void) { - return (num_queries_outstanding); -} - -/* - * next_input_line: - * Get the next non-comment line from the input file - * - * Put text in line, up to max of n chars. Skip comment lines. - * Skip empty lines. - * - * Return line length on success - * Return 0 if cannot read a non-comment line (EOF or error) - */ -int -next_input_line(char *line, int n) { - char *result; - - do { - result = fgets(line, n, datafile_ptr); - } while ((result != NULL) && - ((line[0] == COMMENT_CHAR) || (line[0] == '\n'))); - - if (result == NULL) - return (0); - else - return (strlen(line)); -} - -/* - * identify_directive: - * Gives us a numerical value equivelant for a directive string - * - * Returns the value for the directive - * Returns -1 if not a valid directive - */ -int -identify_directive(char *dir) { - static char *directives[] = DIRECTIVES; - static int dir_values[] = DIR_VALUES; - unsigned int index, num_directives; - - num_directives = sizeof(directives) / sizeof(directives[0]); - - if (num_directives > (sizeof(dir_values) / sizeof(int))) - num_directives = sizeof(dir_values) / sizeof(int); - - for (index = 0; index < num_directives; index++) { - if (strcmp(dir, directives[index]) == 0) - return (dir_values[index]); - } - - return (-1); -} - -/* - * update_config: - * Update configuration options from a line from the input file - */ -void -update_config(char *config_change_desc) { - char *directive, *config_value, *trailing_garbage, *last; - char conf_copy[MAX_INPUT_LEN + 1]; - unsigned int uint_val; - int directive_number; - int check; - int old_af; - - if (ignore_config_changes == TRUE) { - fprintf(stderr, "Ignoring configuration change: %s", - config_change_desc); - return; - } - - strcpy(conf_copy, config_change_desc); - - ++config_change_desc; - - if (*config_change_desc == '\0') { - fprintf(stderr, "Invalid config: No directive present: %s\n", - conf_copy); - return; - } - - if (index(WHITESPACE, *config_change_desc) != NULL) { - fprintf(stderr, "Invalid config: Space before directive or " - "no directive present: %s\n", conf_copy); - return; - } - - directive = strtok_r(config_change_desc, WHITESPACE, &last); - config_value = strtok_r(NULL, WHITESPACE, &last); - trailing_garbage = strtok_r(NULL, WHITESPACE, &last); - - if ((directive_number = identify_directive(directive)) == -1) { - fprintf(stderr, "Invalid config: Bad directive: %s\n", - conf_copy); - return; - } - - if (config_value == NULL) { - fprintf(stderr, "Invalid config: No value present: %s\n", - conf_copy); - return; - } - - if (trailing_garbage != NULL) { - fprintf(stderr, "Config warning: " - "trailing garbage: %s\n", conf_copy); - } - - switch(directive_number) { - - case V_SERVER: - if (serverset && (setup_phase == TRUE)) { - fprintf(stderr, "Config change overridden by command " - "line: %s\n", directive); - return; - } - - if (set_server(config_value) == -1) { - fprintf(stderr, "Set server error: unable to change " - "the server name to '%s'\n", config_value); - return; - } - - old_af = server_ai->ai_family; - if (set_server_sa() == -1) { - fprintf(stderr, "Set server error: unable to resolve " - "a new server '%s'\n", - config_value); - return; - } - if (old_af != server_ai->ai_family) { - if ((query_socket = change_socket()) == -1) { - /* XXX: this is fatal */ - fprintf(stderr, "Set server error: " - "unable to open a new socket " - "for '%s'\n", config_value); - exit(1); - } - } - - break; - - case V_PORT: - if (portset && (setup_phase == TRUE)) { - fprintf(stderr, "Config change overridden by command " - "line: %s\n", directive); - return; - } - - check = is_uint(config_value, &uint_val); - - if ((check == TRUE) && (uint_val > 0)) { - if (set_server_port(config_value) == -1) { - fprintf(stderr, "Invalid config: Bad value for" - " %s: %s\n", directive, config_value); - } else { - if (set_server_sa() == -1) { - fprintf(stderr, - "Failed to set a new port\n"); - return; - } - } - } else - fprintf(stderr, "Invalid config: Bad value for " - "%s: %s\n", directive, config_value); - break; - - case V_MAXQUERIES: - if (queriesset && (setup_phase == TRUE)) { - fprintf(stderr, "Config change overridden by command " - "line: %s\n", directive); - return; - } - - check = is_uint(config_value, &uint_val); - - if ((check == TRUE) && (uint_val > 0)) { - set_max_queries(uint_val); - } else - fprintf(stderr, "Invalid config: Bad value for " - "%s: %s\n", directive, config_value); - break; - - case V_MAXWAIT: - if (timeoutset && (setup_phase == TRUE)) { - fprintf(stderr, "Config change overridden by command " - "line: %s\n", directive); - return; - } - - check = is_uint(config_value, &uint_val); - - if ((check == TRUE) && (uint_val > 0)) { - query_timeout = uint_val; - } else - fprintf(stderr, "Invalid config: Bad value for " - "%s: %s\n", directive, config_value); - break; - - default: - fprintf(stderr, "Invalid config: Bad directive: %s\n", - directive); - break; - } -} - -/* - * parse_query: - * Parse a query line from the input file - * - * Set qname to be the domain to query (up to a max of qnlen chars) - * Set qtype to be the type of the query - * - * Return -1 on failure - * Return a non-negative integer otherwise - */ -int -parse_query(char *input, char *qname, unsigned int qnlen, int *qtype) { - static char *qtype_strings[] = QTYPE_STRINGS; - static int qtype_codes[] = QTYPE_CODES; - unsigned int num_types, index; - int found = FALSE; - char incopy[MAX_INPUT_LEN + 1]; - char *domain_str, *type_str, *last; - - num_types = sizeof(qtype_strings) / sizeof(qtype_strings[0]); - if (num_types > (sizeof(qtype_codes) / sizeof(int))) - num_types = sizeof(qtype_codes) / sizeof(int); - - strcpy(incopy, input); - - domain_str = strtok_r(incopy, WHITESPACE, &last); - type_str = strtok_r(NULL, WHITESPACE, &last); - - if ((domain_str == NULL) || (type_str == NULL)) { - fprintf(stderr, "Invalid query input format: %s\n", input); - return (-1); - } - - if (strlen(domain_str) > qnlen) { - fprintf(stderr, "Query domain too long: %s\n", domain_str); - return (-1); - } - - for (index = 0; (index < num_types) && (found == FALSE); index++) { - if (strcasecmp(type_str, qtype_strings[index]) == 0) { - *qtype = qtype_codes[index]; - found = TRUE; - } - } - - if (found == FALSE) { - fprintf(stderr, "Query type not understood: %s\n", type_str); - return (-1); - } - - strcpy(qname, domain_str); - - return (0); -} - -/* - * dispatch_query: - * Send the query packet for the entry - * - * Return -1 on failure - * Return a non-negative integer otherwise - */ -int -dispatch_query(unsigned short int id, char *dom, int qt, u_char **pktp, - int *pktlenp) -{ - static u_char packet_buffer[PACKETSZ + 1]; - int buffer_len = PACKETSZ; - int bytes_sent; - unsigned short int net_id = htons(id); - char *id_ptr = (char *)&net_id; - HEADER *hp = (HEADER *)packet_buffer; - - buffer_len = res_mkquery(QUERY, dom, C_IN, qt, NULL, 0, - NULL, packet_buffer, PACKETSZ); - if (buffer_len == -1) { - fprintf(stderr, "Failed to create query packet: %s %d\n", - dom, qt); - return (-1); - } - hp->rd = recurse; - if (edns) { - unsigned char *p; - if (buffer_len + EDNSLEN >= PACKETSZ) { - fprintf(stderr, "Failed to add OPT to query packet\n"); - return (-1); - } - packet_buffer[11] = 1; - p = &packet_buffer[buffer_len]; - *p++ = 0; /* root name */ - *p++ = 0; - *p++ = 41; /* OPT */ - *p++ = 16; - *p++ = 0; /* UDP payload size (4K) */ - *p++ = 0; /* extended rcode */ - *p++ = 0; /* version */ - if (dnssec) - *p++ = 0x80; /* upper flag bits - DO set */ - else - *p++ = 0; /* upper flag bits */ - *p++ = 0; /* lower flag bit */ - *p++ = 0; - *p++ = 0; /* rdlen == 0 */ - buffer_len += EDNSLEN; - } - - packet_buffer[0] = id_ptr[0]; - packet_buffer[1] = id_ptr[1]; - - bytes_sent = sendto(query_socket, packet_buffer, buffer_len, 0, - server_ai->ai_addr, server_ai->ai_addrlen); - if (bytes_sent == -1) { - fprintf(stderr, "Failed to send query packet: %s %d\n", - dom, qt); - return (-1); - } - - if (bytes_sent != buffer_len) - fprintf(stderr, "Warning: incomplete packet sent: %s %d\n", - dom, qt); - - *pktp = packet_buffer; - *pktlenp = buffer_len; - - return (0); -} - -/* - * send_query: - * Send a query based on a line of input - */ -void -send_query(char *query_desc) { - static unsigned short int use_query_id = 0; - static int qname_len = MAX_DOMAIN_LEN; - static char domain[MAX_DOMAIN_LEN + 1]; - u_char *qpkt; - char serveraddr[NI_MAXHOST]; - int query_type, qpkt_len; - unsigned int count; - - use_query_id++; - - if (parse_query(query_desc, domain, qname_len, &query_type) == -1) { - fprintf(stderr, "Error parsing query: %s\n", query_desc); - return; - } - - if (dispatch_query(use_query_id, domain, query_type, - &qpkt, &qpkt_len) == -1) { - char *addrstr; - - if (getnameinfo(server_ai->ai_addr, server_ai->ai_addrlen, - serveraddr, sizeof(serveraddr), NULL, 0, - NI_NUMERICHOST) == 0) { - addrstr = serveraddr; - } else - addrstr = "???"; /* XXX: this should not happen */ - fprintf(stderr, "Error sending query to %s: %s\n", - addrstr, query_desc); - return; - } - - if (setup_phase == TRUE) { - set_timenow(&time_of_first_query); - time_of_first_query_sec = (double)time_of_first_query.tv_sec + - ((double)time_of_first_query.tv_usec / 1000000.0); - setup_phase = FALSE; - if (getnameinfo(server_ai->ai_addr, server_ai->ai_addrlen, - serveraddr, sizeof(serveraddr), NULL, 0, - NI_NUMERICHOST) != 0) { - fprintf(stderr, "Error printing server address\n"); - return; - } - printf("[Status] Sending queries (beginning with %s)\n", - serveraddr); - } - - /* Find the first slot in status[] that is not in use */ - for (count = 0; (status[count].in_use == TRUE) - && (count < max_queries_outstanding); count++); - - if (status[count].in_use == TRUE) { - fprintf(stderr, "Unexpected error: We have run out of " - "status[] space!\n"); - return; - } - - /* Register the query in status[] */ - status[count].id = use_query_id; - if (verbose) - status[count].desc = strdup(query_desc); - set_timenow(&status[count].sent_timestamp); - status[count].qtype = query_type; - if (dn_expand(qpkt, qpkt + qpkt_len, qpkt + DNS_HEADERLEN, - status[count].qname, MAX_DOMAIN_LEN) == -1) { - fprintf(stderr, "Unexpected error: " - "query message doesn't have qname?\n"); - return; - } - status[count].in_use = TRUE; - - if (num_queries_sent_interval == 0) - set_timenow(&time_of_first_query_interval); - - num_queries_sent++; - num_queries_sent_interval++; - num_queries_outstanding++; -} - -void -register_rtt(struct timeval *timestamp, char *qname, int qtype, - unsigned int rcode) -{ - int i; - int oldquery = FALSE; - struct timeval now; - double rtt; - - set_timenow(&now); - rtt = difftv(now, *timestamp); - - if (difftv(*timestamp, time_of_first_query_interval) < 0) - oldquery = TRUE; - - if (rtt_max < 0 || rtt_max < rtt) - rtt_max = rtt; - - if (rtt_min < 0 || rtt_min > rtt) - rtt_min = rtt; - - rtt_total += rtt; - rtt_counted++; - - if (!oldquery) { - if (rtt_max_interval < 0 || rtt_max_interval < rtt) - rtt_max_interval = rtt; - - if (rtt_min_interval < 0 || rtt_min_interval > rtt) - rtt_min_interval = rtt; - - rtt_total_interval += rtt; - rtt_counted_interval++; - } - - if (rttarray == NULL) - return; - - i = (int)(rtt * (1000000.0 / rttarray_unit)); - if (i < rttarray_size) { - rttarray[i]++; - if (!oldquery) - rttarray_interval[i]++; - } else { - fprintf(stderr, "Warning: RTT is out of range: %.6lf " - "[query=%s/%d, rcode=%u]\n", rtt, qname, qtype, rcode); - rtt_overflows++; - if (!oldquery) - rtt_overflows_interval++; - } -} - -/* - * register_response: - * Register receipt of a query - * - * Removes (sets in_use = FALSE) the record for the given query id in - * status[] if any exists. - */ -void -register_response(unsigned short int id, unsigned int rcode, char *qname, - int qtype) -{ - unsigned int ct = 0; - int found = FALSE; - struct timeval now; - double rtt; - - if (timeout_queries != NULL) { - struct query_mininfo *qi = &timeout_queries[id]; - - if (qi->qtype == qtype && strcasecmp(qi->qname, qname) == 0) { - register_rtt(&qi->sent_timestamp, qname, qtype, rcode); - qi->qtype = -1; - found = TRUE; - } - } - - for (; (ct < query_status_allocated) && (found == FALSE); ct++) { - if (status[ct].in_use == TRUE && status[ct].id == id && - status[ct].qtype == qtype && - strcasecmp(status[ct].qname, qname) == 0) { - status[ct].in_use = FALSE; - num_queries_outstanding--; - found = TRUE; - - register_rtt(&status[ct].sent_timestamp, qname, qtype, - rcode); - - if (status[ct].desc) { - printf("> %s %s\n", rcode_strings[rcode], - status[ct].desc); - free(status[ct].desc); - } - } - } - - if (countrcodes && (found == TRUE || target_qps > 0)) - rcodecounts[rcode]++; - - if (found == FALSE) { - if (target_qps > 0) { - num_queries_possiblydelayed++; - num_queries_possiblydelayed_interval++; - } else { - fprintf(stderr, - "Warning: Received a response with an " - "unexpected (maybe timed out) id: %u\n", id); - } - } -} - -/* - * process_single_response: - * Receive from the given socket & process an invididual response packet. - * Remove it from the list of open queries (status[]) and decrement the - * number of outstanding queries if it matches an open query. - */ -void -process_single_response(int sockfd) { - struct sockaddr_storage from_addr_ss; - struct sockaddr *from_addr; - static unsigned char in_buf[MAX_BUFFER_LEN]; - char qname[MAX_DOMAIN_LEN + 1]; - int numbytes, addr_len, resp_id, qnamelen; - int qtype, flags; - - memset(&from_addr_ss, 0, sizeof(from_addr_ss)); - from_addr = (struct sockaddr *)&from_addr_ss; - addr_len = sizeof(from_addr_ss); - - if ((numbytes = recvfrom(sockfd, in_buf, MAX_BUFFER_LEN, - 0, from_addr, &addr_len)) == -1) { - fprintf(stderr, "Error receiving datagram\n"); - return; - } - - if (numbytes < DNS_HEADERLEN) { - if (verbose) - fprintf(stderr, "Malformed response\n"); - return; - } - resp_id = get_uint16(in_buf); - flags = get_uint16(in_buf + 2); - qnamelen = dn_expand(in_buf, in_buf + numbytes, in_buf + DNS_HEADERLEN, - qname, MAX_DOMAIN_LEN); - if (qnamelen == -1) { - if (verbose) - fprintf(stderr, - "Failed to retrieve qname from response\n"); - return; - } - if (numbytes < DNS_HEADERLEN + qnamelen + 2) { - if (verbose) - fprintf(stderr, "Malformed response\n"); - return; - } - qtype = get_uint16(in_buf + DNS_HEADERLEN + qnamelen); - - register_response(resp_id, flags & 0xF, qname, qtype); -} - -/* - * data_available: - * Is there data available on the given file descriptor? - * - * Return TRUE if there is - * Return FALSE otherwise - */ -int -data_available(double wait) { - fd_set read_fds; - struct timeval tv; - int retval; - int available = FALSE; - int maxfd = -1; - - /* Set list of file descriptors */ - FD_ZERO(&read_fds); - if (socket4 != -1) { - FD_SET(socket4, &read_fds); - maxfd = socket4; - } - if (socket6 != -1) { - FD_SET(socket6, &read_fds); - if (maxfd == -1 || maxfd < socket6) - maxfd = socket6; - } - - if ((wait > 0.0) && (wait < (double)LONG_MAX)) { - tv.tv_sec = (long)floor(wait); - tv.tv_usec = (long)(1000000.0 * (wait - floor(wait))); - } else { - tv.tv_sec = 0; - tv.tv_usec = 0; - } - - retval = select(maxfd + 1, &read_fds, NULL, NULL, &tv); - - if (socket4 != -1 && FD_ISSET(socket4, &read_fds)) { - available = TRUE; - process_single_response(socket4); - } - if (socket6 != -1 && FD_ISSET(socket6, &read_fds)) { - available = TRUE; - process_single_response(socket6); - } - - return (available); -} - -/* - * process_responses: - * Go through any/all received responses and remove them from the list of - * open queries (set in_use = FALSE for their entry in status[]), also - * decrementing the number of outstanding queries. - */ -void -process_responses(int adjust_rate) { - double wait; - struct timeval now, waituntil; - double first_packet_wait = RESPONSE_BLOCKING_WAIT_TIME; - unsigned int outstanding = queries_outstanding(); - - if (adjust_rate == TRUE) { - double u; - - u = time_of_first_query_sec + - query_interval * num_queries_sent; - waituntil.tv_sec = (long)floor(u); - waituntil.tv_usec = (long)(1000000.0 * (u - waituntil.tv_sec)); - - /* - * Wait until a response arrives or the specified limit is - * reached. - */ - while (1) { - set_timenow(&now); - wait = difftv(waituntil, now); - if (wait <= 0) - wait = 0.0; - if (data_available(wait) != TRUE) - break; - - /* - * We have reached the limit. Read as many responses - * as possible without waiting, and exit. - */ - if (wait == 0) { - while (data_available(0.0) == TRUE) - ; - break; - } - } - } else { - /* - * Don't block waiting for packets at all if we aren't - * looking for any responses or if we are now able to send new - * queries. - */ - if ((outstanding == 0) || - (outstanding < max_queries_outstanding)) { - first_packet_wait = 0.0; - } - - if (data_available(first_packet_wait) == TRUE) { - while (data_available(0.0) == TRUE) - ; - } - } -} - -/* - * retire_old_queries: - * Go through the list of open queries (status[]) and remove any queries - * (i.e. set in_use = FALSE) which are older than the timeout, decrementing - * the number of queries outstanding for each one removed. - */ -void -retire_old_queries(int sending) { - unsigned int count = 0; - struct timeval curr_time; - double timeout = query_timeout; - int timeout_reduced = FALSE; - - /* - * If we have target qps and would not be able to send any packets - * due to buffer full, check whether we are behind the schedule. - * If we are, purge some queries more aggressively. - */ - if (target_qps > 0 && sending == TRUE && count == 0 && - queries_outstanding() == max_queries_outstanding) { - struct timeval next, now; - double n; - - n = time_of_first_query_sec + - query_interval * num_queries_sent; - next.tv_sec = (long)floor(n); - next.tv_usec = (long)(1000000.0 * (n - next.tv_sec)); - - set_timenow(&now); - if (difftv(next, now) <= 0) { - timeout_reduced = TRUE; - timeout = 0.001; /* XXX: ad-hoc value */ - } - } - - set_timenow(&curr_time); - - for (; count < query_status_allocated; count++) { - if ((status[count].in_use == TRUE) && - (difftv(curr_time, - status[count].sent_timestamp) >= (double)timeout)) - { - status[count].in_use = FALSE; - num_queries_outstanding--; - - if (timeout_queries != NULL) { - struct query_mininfo *qi; - - qi = &timeout_queries[status[count].id]; - if (qi->qtype != -1) { - /* now really retire this query */ - num_queries_timed_out++; - num_queries_timed_out_interval++; - } - qi->qtype = status[count].qtype; - qi->sent_timestamp = - status[count].sent_timestamp; - strcpy(qi->qname, status[count].qname); - } else { - num_queries_timed_out++; - num_queries_timed_out_interval++; - } - - if (timeout_reduced == FALSE) { - if (status[count].desc) { - printf("> T %s\n", status[count].desc); - free(status[count].desc); - } else { - printf("[Timeout] Query timed out: " - "msg id %u\n", - status[count].id); - } - } - } - } -} - -/* - * print_histogram - * Print RTT histogram to the specified file in the gnuplot format - */ -void -print_histogram(unsigned int total) { - int i; - double ratio; - FILE *fp; - - if (rtt_histogram_file == NULL || rttarray == NULL) - return; - - fp = fopen((const char *)rtt_histogram_file, "w+"); - if (fp == NULL) { - fprintf(stderr, "Error opening RTT histogram file: %s\n", - rtt_histogram_file); - return; - } - - for (i = 0; i < rttarray_size; i++) { - ratio = ((double)rttarray[i] / (double)total) * 100; - fprintf(fp, "%.6lf %.3lf\n", - (double)(i * rttarray_unit) + - (double)rttarray_unit / 2, - ratio); - } - - (void)fclose(fp); -} - -/* - * print_statistics: - * Print out statistics based on the results of the test - */ -void -print_statistics(int intermediate, unsigned int sent, unsigned int timed_out, - unsigned int possibly_delayed, - struct timeval *first_query, - struct timeval *program_start, - struct timeval *end_perf, struct timeval *end_query, - unsigned int rcounted, double rmax, double rmin, double rtotal, - unsigned int roverflows, unsigned int *rarray) -{ - unsigned int num_queries_completed; - double per_lost, per_completed, per_lost2, per_completed2; - double run_time, queries_per_sec, queries_per_sec2; - double queries_per_sec_total; - double rtt_average, rtt_stddev; - struct timeval start_time; - - num_queries_completed = sent - timed_out; - - if (num_queries_completed == 0) { - per_lost = 0.0; - per_completed = 0.0; - - per_lost2 = 0.0; - per_completed2 = 0.0; - } else { - per_lost = (100.0 * (double)timed_out) / (double)sent; - per_completed = 100.0 - per_lost; - - per_lost2 = (100.0 * (double)(timed_out - possibly_delayed)) - / (double)sent; - per_completed2 = 100 - per_lost2; - } - - if (sent == 0) { - start_time.tv_sec = program_start->tv_sec; - start_time.tv_usec = program_start->tv_usec; - run_time = 0.0; - queries_per_sec = 0.0; - queries_per_sec2 = 0.0; - queries_per_sec_total = 0.0; - } else { - start_time.tv_sec = first_query->tv_sec; - start_time.tv_usec = first_query->tv_usec; - run_time = difftv(*end_perf, *first_query); - queries_per_sec = (double)num_queries_completed / run_time; - queries_per_sec2 = (double)(num_queries_completed + - possibly_delayed) / run_time; - - queries_per_sec_total = (double)sent / - difftv(*end_query, *first_query); - } - - if (rcounted > 0) { - int i; - double sum = 0; - - rtt_average = rtotal / (double)rcounted; - for (i = 0; i < rttarray_size; i++) { - if (rarray[i] != 0) { - double mean, diff; - - mean = (double)(i * rttarray_unit) + - (double)rttarray_unit / 2; - diff = rtt_average - (mean / 1000000.0); - sum += (diff * diff) * rarray[i]; - } - } - rtt_stddev = sqrt(sum / (double)rcounted); - } else { - rtt_average = 0.0; - rtt_stddev = 0.0; - } - - printf("\n"); - - printf("%sStatistics:\n", intermediate ? "Intermediate " : ""); - - printf("\n"); - - if (!intermediate) { - printf(" Parse input file: %s\n", - ((run_only_once == TRUE) ? "once" : "multiple times")); - if (use_timelimit) - printf(" Run time limit: %u seconds\n", - run_timelimit); - if (run_only_once == FALSE) - printf(" Ran through file: %u times\n", - runs_through_file); - else - printf(" Ended due to: reaching %s\n", - ((runs_through_file == 0) ? "time limit" - : "end of file")); - - printf("\n"); - } - - printf(" Queries sent: %u queries\n", sent); - printf(" Queries completed: %u queries\n", num_queries_completed); - printf(" Queries lost: %u queries\n", timed_out); - printf(" Queries delayed(?): %u queries\n", possibly_delayed); - - printf("\n"); - - printf(" RTT max: %3.6lf sec\n", rmax); - printf(" RTT min: %3.6lf sec\n", rmin); - printf(" RTT average: %3.6lf sec\n", rtt_average); - printf(" RTT std deviation: %3.6lf sec\n", rtt_stddev); - printf(" RTT out of range: %u queries\n", roverflows); - - if (!intermediate) /* XXX should we print this case also? */ - print_histogram(num_queries_completed); - - printf("\n"); - - if (countrcodes) { - unsigned int i; - - for (i = 0; i < 16; i++) { - if (rcodecounts[i] == 0) - continue; - printf(" Returned %8s: %u queries\n", - rcode_strings[i], rcodecounts[i]); - } - printf("\n"); - } - - printf(" Percentage completed: %6.2lf%%\n", per_completed); - if (possibly_delayed > 0) - printf(" (w/ delayed qrys): %6.2lf%%\n", per_completed2); - printf(" Percentage lost: %6.2lf%%\n", per_lost); - if (possibly_delayed > 0) - printf(" (w/o delayed qrys): %6.2lf%%\n", per_lost2); - - printf("\n"); - - printf(" Started at: %s", - ctime((const time_t *)&start_time.tv_sec)); - printf(" Finished at: %s", - ctime((const time_t *)&end_perf->tv_sec)); - printf(" Ran for: %.6lf seconds\n", run_time); - - printf("\n"); - - printf(" Queries per second: %.6lf qps\n", queries_per_sec); - if (possibly_delayed > 0) { - printf(" (w/ delayed qrys): %.6lf qps\n", - queries_per_sec2); - } - if (target_qps > 0) { - printf(" Total QPS/target: %.6lf/%d qps\n", - queries_per_sec_total, target_qps); - } - - printf("\n"); -} - -void -print_interval_statistics() { - struct timeval time_now; - - if (use_timelimit == FALSE) - return; - - if (setup_phase == TRUE) - return; - - if (print_interval == 0) - return; - - if (timelimit_reached() == TRUE) - return; - - set_timenow(&time_now); - if (difftv(time_now, time_of_first_query_interval) - <= (double)print_interval) - return; - - /* Don't count currently outstanding queries */ - num_queries_sent_interval -= queries_outstanding(); - print_statistics(TRUE, num_queries_sent_interval, - num_queries_timed_out_interval, - num_queries_possiblydelayed_interval, - &time_of_first_query_interval, - &time_of_first_query_interval, &time_now, &time_now, - rtt_counted_interval, rtt_max_interval, - rtt_min_interval, rtt_total_interval, - rtt_overflows_interval, rttarray_interval); - - /* Reset intermediate counters */ - num_queries_sent_interval = 0; - num_queries_timed_out_interval = 0; - num_queries_possiblydelayed_interval = 0; - rtt_max_interval = -1; - rtt_min_interval = -1; - rtt_total_interval = 0.0; - rtt_counted_interval = 0.0; - rtt_overflows_interval = 0; - if (rttarray_interval != NULL) { - memset(rttarray_interval, 0, - sizeof(rttarray_interval[0]) * rttarray_size); - } -} - -/* - * queryperf Program Mainline - */ -int -main(int argc, char **argv) { - int adjust_rate; - int sending = FALSE; - int got_eof = FALSE; - int input_length = MAX_INPUT_LEN; - char input_line[MAX_INPUT_LEN + 1]; - - set_timenow(&time_of_program_start); - time_of_first_query.tv_sec = 0; - time_of_first_query.tv_usec = 0; - time_of_first_query_interval.tv_sec = 0; - time_of_first_query_interval.tv_usec = 0; - time_of_end_of_run.tv_sec = 0; - time_of_end_of_run.tv_usec = 0; - - input_line[0] = '\0'; - - show_startup_info(); - - if (setup(argc, argv) == -1) - return (-1); - - /* XXX: move this to setup: */ - timeout_queries = malloc(sizeof(struct query_mininfo) * 65536); - if (timeout_queries == NULL) { - fprintf(stderr, - "failed to allocate memory for timeout queries\n"); - return (-1); - } else { - int i; - for (i = 0; i < 65536; i++) - timeout_queries[i].qtype = -1; - } - - printf("[Status] Processing input data\n"); - - while ((sending = keep_sending(&got_eof)) == TRUE || - queries_outstanding() > 0) - { - if (num_queries_sent_interval > 0){ - /* - * After statistics are printed, send_query() - * needs to be called at least once so that - * time_of_first_query_interval is reset - */ - print_interval_statistics(); - } - adjust_rate = FALSE; - - while ((sending = keep_sending(&got_eof)) == TRUE && - queries_outstanding() < max_queries_outstanding) - { - int len = next_input_line(input_line, input_length); - if (len == 0) { - got_eof = TRUE; - } else { - /* Zap the trailing newline */ - if (input_line[len - 1] == '\n') - input_line[len - 1] = '\0'; - - /* - * TODO: Should test if we got a whole line - * and flush to the next \n in input if not - * here... Add this later. Only do the next - * few lines if we got a whole line, else - * print a warning. Alternative: Make the - * max line size really big. BAD! :) - */ - - if (input_line[0] == CONFIG_CHAR) - update_config(input_line); - else { - send_query(input_line); - if (target_qps > 0 && - (num_queries_sent % - max_queries_outstanding) == 0) { - adjust_rate = TRUE; - } - } - } - } - - process_responses(adjust_rate); - retire_old_queries(sending); - } - - set_timenow(&time_of_end_of_run); - - printf("[Status] Testing complete\n"); - - close_socket(); - close_datafile(); - - print_statistics(FALSE, num_queries_sent, num_queries_timed_out, - num_queries_possiblydelayed, - &time_of_first_query, &time_of_program_start, - &time_of_end_of_run, &time_of_stop_sending, - rtt_counted, rtt_max, rtt_min, rtt_total, - rtt_overflows, rttarray); - - return (0); -} diff --git a/contrib/queryperf/utils/gen-data-queryperf.py b/contrib/queryperf/utils/gen-data-queryperf.py deleted file mode 100644 index dbd1f9e259..0000000000 --- a/contrib/queryperf/utils/gen-data-queryperf.py +++ /dev/null @@ -1,116 +0,0 @@ -#!/usr/bin/python - -# -# Contributed by Stephane Bortzmeyer -# -# "A small tool which may be useful with contrib/queryperf. This script -# can generate files of queries, both with random names (to test the -# behaviour with NXdomain) and with domains from a real zone file." -# - -import getopt -import random -import re -import string -import sys - -maxsize = 10 -tld = 'org' -num = 4 -percent_random = 0.3 -gen = None -zone_file = None -domains = {} -domain_ns = r'^([a-z0-9-\.]+)((\s+\d+)?(\s+IN)?|(\s+IN)(\s+\d+)?)\s+NS' -domain_ns_re = re.compile(domain_ns, re.IGNORECASE) - - -def remove_tld(label, tld): - if label.endswith('.' + tld + '.'): - return label[0:-(1 + len(tld) + 1)] - else: - return label - - -# characters allowed in a label -LDH = string.digits + string.ascii_lowercase + "-" - - -def gen_random_label(): - """ - Generate a random DNS label. - - Note that this may generate labels that start/end with '-'. - """ - label = "" - for _ in range(gen.randint(1, maxsize)): - label = label + gen.choice(LDH) - return label - - -def make_domain(label): - return "www." + label + "." + tld + " A" - - -def usage(): - sys.stdout.write("Usage: " + sys.argv[0] + " [-n number] " + - "[-p percent-random] [-t TLD]\n") - sys.stdout.write(" [-m MAXSIZE] [-f zone-file]\n") - - -try: - optlist, args = getopt.getopt(sys.argv[1:], "hp:f:n:t:m:", - ["help", "percentrandom=", "zonefile=", - "number=", "tld=", - "maxsize="]) - for option, value in optlist: - if option == "--help" or option == "-h": - usage() - sys.exit(0) - elif option == "--number" or option == "-n": - num = int(value) - elif option == "--maxsize" or option == "-m": - maxsize = int(value) - elif option == "--percentrandom" or option == "-p": - percent_random = float(value) - elif option == "--tld" or option == "-t": - tld = str(value) - elif option == "--zonefile" or option == "-f": - zone_file = str(value) - else: - getopt.error("Unknown option " + option) -except getopt.error as reason: - sys.stderr.write(sys.argv[0] + ": " + str(reason) + "\n") - usage() - sys.exit(1) - -if len(args) > 0: - usage() - sys.exit(1) - -gen = random.Random() -if zone_file: - file = open(zone_file) - line = file.readline() - while line: - domain_line = domain_ns_re.match(line) - if domain_line: - print(domain_line.group(1)) - domain = remove_tld(domain_line.group(1), tld) - domains[domain] = 1 - line = file.readline() - file.close() -if zone_file: - if not domains: - sys.stderr.write("No domains found in '%s'\n" % zone_file) - sys.exit(1) - domain_names = list(domains.keys()) -for i in range(num): - if zone_file: - if gen.random() < percent_random: - sys.stdout.write(make_domain(gen_random_label())) - else: - sys.stdout.write(make_domain(gen.choice(domain_names))) - else: - sys.stdout.write(make_domain(gen_random_label())) - sys.stdout.write("\n")