378 lines
11 KiB
C
378 lines
11 KiB
C
/*
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**********************************************************************
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* Copyright (C) Miroslav Lichvar 2016, 2021
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**********************************************************************
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*/
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#include <config.h>
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#include "test.h"
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#ifdef FEAT_NTP
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#include <conf.h>
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#include <cmdparse.h>
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#include <nameserv_async.h>
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#include <ntp_core.h>
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#include <ntp_io.h>
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#include <sched.h>
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static char *requested_name = NULL;
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static DNS_NameResolveHandler resolve_handler = NULL;
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static void *resolve_handler_arg = NULL;
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#define DNS_Name2IPAddressAsync(name, handler, arg) \
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requested_name = (name), \
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resolve_handler = (handler), \
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resolve_handler_arg = (arg)
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#define NCR_ChangeRemoteAddress(inst, remote_addr, ntp_only) \
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change_remote_address(inst, remote_addr, ntp_only)
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#define NCR_ProcessRxKnown(remote_addr, local_addr, ts, msg, len) (random() % 2)
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#define NIO_IsServerConnectable(addr) (random() % 2)
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#define SCH_GetLastEventMonoTime() get_mono_time()
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static void change_remote_address(NCR_Instance inst, NTP_Remote_Address *remote_addr,
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int ntp_only);
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static double get_mono_time(void);
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#include <ntp_sources.c>
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#undef NCR_ChangeRemoteAddress
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static void
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resolve_random_address(DNS_Status status, int rand_bits)
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{
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IPAddr ip_addrs[DNS_MAX_ADDRESSES];
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int i, n_addrs;
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TEST_CHECK(requested_name);
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requested_name = NULL;
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if (status == DNS_Success) {
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n_addrs = random() % DNS_MAX_ADDRESSES + 1;
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for (i = 0; i < n_addrs; i++)
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TST_GetRandomAddress(&ip_addrs[i], IPADDR_UNSPEC, rand_bits);
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} else {
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n_addrs = 0;
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}
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(resolve_handler)(status, n_addrs, ip_addrs, resolve_handler_arg);
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}
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static int
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update_random_address(NTP_Remote_Address *addr, int rand_bits)
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{
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NTP_Remote_Address new_addr;
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NSR_Status status;
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TST_GetRandomAddress(&new_addr.ip_addr, IPADDR_UNSPEC, rand_bits);
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new_addr.port = random() % 1024;
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status = NSR_UpdateSourceNtpAddress(addr, &new_addr);
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if (status == NSR_InvalidAF) {
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TEST_CHECK(!UTI_IsIPReal(&addr->ip_addr));
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} else {
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TEST_CHECK(status == NSR_Success || status == NSR_AlreadyInUse);
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}
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TEST_CHECK(strlen(NSR_StatusToString(status)) > 0);
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return status == NSR_Success;
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}
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static void
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change_remote_address(NCR_Instance inst, NTP_Remote_Address *remote_addr, int ntp_only)
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{
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int update = !ntp_only && random() % 4 == 0, update_pos = random() % 2, r = 0;
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TEST_CHECK(record_lock);
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if (update && update_pos == 0)
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r = update_random_address(random() % 2 ? remote_addr : NCR_GetRemoteAddress(inst), 4);
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NCR_ChangeRemoteAddress(inst, remote_addr, ntp_only);
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if (update && update_pos == 1)
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r = update_random_address(random() % 2 ? remote_addr : NCR_GetRemoteAddress(inst), 4);
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if (r)
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TEST_CHECK(UTI_IsIPReal(&saved_address_update.old_address.ip_addr));
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}
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static double get_mono_time(void) {
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static double t = 0.0;
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if (random() % 2)
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t += TST_GetRandomDouble(0.0, 100.0);
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return t;
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}
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void
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test_unit(void)
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{
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char source_line[] = "127.0.0.1 offline", conf[] = "port 0", name[64];
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int i, j, k, slot, found, pool, prev_n;
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uint32_t hash = 0, conf_id;
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NTP_Remote_Address addrs[256], addr;
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NTP_Local_Address local_addr;
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NTP_Local_Timestamp local_ts;
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struct UnresolvedSource *us;
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RPT_ActivityReport report;
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CPS_NTP_Source source;
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NSR_Status status;
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NTP_Packet msg;
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CNF_Initialise(0, 0);
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CNF_ParseLine(NULL, 1, conf);
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PRV_Initialise();
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LCL_Initialise();
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TST_RegisterDummyDrivers();
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SCH_Initialise();
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SRC_Initialise();
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NIO_Initialise();
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NCR_Initialise();
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REF_Initialise();
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NSR_Initialise();
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CPS_ParseNTPSourceAdd(source_line, &source);
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TEST_CHECK(n_sources == 0);
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for (i = 0; i < 6; i++) {
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TEST_CHECK(ARR_GetSize(records) == 1);
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DEBUG_LOG("collision mod %u", 1U << i);
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for (j = 0; j < sizeof (addrs) / sizeof (addrs[0]); j++) {
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while (1) {
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do {
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TST_GetRandomAddress(&addrs[j].ip_addr, IPADDR_UNSPEC, -1);
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} while (UTI_IPToHash(&addrs[j].ip_addr) % (1U << i) != hash % (1U << i));
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for (k = 0; k < j; k++)
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if (UTI_CompareIPs(&addrs[k].ip_addr, &addrs[j].ip_addr, NULL) == 0)
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break;
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if (k == j)
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break;
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}
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addrs[j].port = random() % 1024;
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if (!j)
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hash = UTI_IPToHash(&addrs[j].ip_addr);
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DEBUG_LOG("adding source %s hash %"PRIu32, UTI_IPToString(&addrs[j].ip_addr),
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UTI_IPToHash(&addrs[j].ip_addr) % (1U << i));
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status = NSR_AddSource(&addrs[j], random() % 2 ? NTP_SERVER : NTP_PEER,
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&source.params, NULL);
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TEST_CHECK(status == NSR_Success);
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TEST_CHECK(n_sources == j + 1);
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TEST_CHECK(strcmp(NSR_GetName(&addrs[j].ip_addr), UTI_IPToString(&addrs[j].ip_addr)) == 0);
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for (k = 0; k <= j; k++) {
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addr = addrs[k];
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found = find_slot2(&addr, &slot);
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TEST_CHECK(found == 2);
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TEST_CHECK(!UTI_CompareIPs(&get_record(slot)->remote_addr->ip_addr,
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&addr.ip_addr, NULL));
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addr.port++;
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found = find_slot2(&addr, &slot);
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TEST_CHECK(found == 1);
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TEST_CHECK(!UTI_CompareIPs(&get_record(slot)->remote_addr->ip_addr,
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&addr.ip_addr, NULL));
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}
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status = NSR_AddSource(&addrs[j], NTP_SERVER, &source.params, &conf_id);
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TEST_CHECK(status == NSR_AlreadyInUse);
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}
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for (j = 0; j < sizeof (addrs) / sizeof (addrs[0]); j++) {
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DEBUG_LOG("removing source %s", UTI_IPToString(&addrs[j].ip_addr));
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NSR_RemoveSource(&addrs[j].ip_addr);
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for (k = 0; k < sizeof (addrs) / sizeof (addrs[0]); k++) {
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found = find_slot2(&addrs[k], &slot);
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TEST_CHECK(found == (k <= j ? 0 : 2));
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}
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}
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}
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TEST_CHECK(n_sources == 0);
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status = NSR_AddSourceByName("a b", 0, 0, 0, &source.params, &conf_id);
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TEST_CHECK(status == NSR_InvalidName);
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local_addr.ip_addr.family = IPADDR_INET4;
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local_addr.ip_addr.addr.in4 = 0;
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local_addr.if_index = -1;
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local_addr.sock_fd = 0;
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memset(&local_ts, 0, sizeof (local_ts));
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for (i = 0; i < 500; i++) {
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for (j = 0; j < 20; j++) {
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snprintf(name, sizeof (name), "ntp%d.example.net", (int)(random() % 10));
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pool = random() % 2;
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prev_n = n_sources;
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DEBUG_LOG("%d/%d adding source %s pool=%d", i, j, name, pool);
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status = NSR_AddSourceByName(name, 0, pool, random() % 2 ? NTP_SERVER : NTP_PEER,
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&source.params, &conf_id);
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TEST_CHECK(status == NSR_UnresolvedName);
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TEST_CHECK(n_sources == prev_n + (pool ? source.params.max_sources * 2 : 1));
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TEST_CHECK(unresolved_sources);
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for (us = unresolved_sources; us->next; us = us->next)
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;
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TEST_CHECK(strcmp(us->name, name) == 0);
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if (pool) {
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TEST_CHECK(us->address.ip_addr.family == IPADDR_UNSPEC && us->pool_id >= 0);
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} else {
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TEST_CHECK(strcmp(NSR_GetName(&us->address.ip_addr), name) == 0);
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TEST_CHECK(find_slot2(&us->address, &slot) == 2);
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}
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if (random() % 2) {
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if (!resolving_id || random() % 2) {
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NSR_ResolveSources();
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} else {
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SCH_RemoveTimeout(resolving_id);
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resolve_sources_timeout(NULL);
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TEST_CHECK(resolving_id == 0);
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TEST_CHECK(requested_name);
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}
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TEST_CHECK(!!unresolved_sources == (resolving_id != 0) || requested_name);
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}
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while (requested_name && random() % 2) {
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TEST_CHECK(resolving_source);
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TEST_CHECK(strcmp(requested_name, resolving_source->name) == 0);
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TEST_CHECK(!record_lock);
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switch (random() % 3) {
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case 0:
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resolve_random_address(DNS_Success, 4);
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break;
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case 1:
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resolve_random_address(DNS_TryAgain, 0);
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break;
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case 2:
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resolve_random_address(DNS_Failure, 0);
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break;
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}
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}
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while (random() % 8 > 0) {
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slot = random() % ARR_GetSize(records);
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if (!get_record(slot)->remote_addr)
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continue;
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switch (random() % 5) {
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case 0:
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msg.lvm = NTP_LVM(0, NTP_VERSION, random() % 2 ? MODE_CLIENT : MODE_SERVER);
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NSR_ProcessTx(get_record(slot)->remote_addr, &local_addr,
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&local_ts, &msg, 0);
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break;
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case 1:
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msg.lvm = NTP_LVM(0, NTP_VERSION, random() % 2 ? MODE_CLIENT : MODE_SERVER);
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NSR_ProcessRx(get_record(slot)->remote_addr, &local_addr,
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&local_ts, &msg, 0);
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break;
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case 2:
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NSR_HandleBadSource(&get_record(slot)->remote_addr->ip_addr);
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break;
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case 3:
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NSR_SetConnectivity(NULL, &get_record(slot)->remote_addr->ip_addr, SRC_OFFLINE);
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break;
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case 4:
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update_random_address(get_record(slot)->remote_addr, 4);
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TEST_CHECK(!UTI_IsIPReal(&saved_address_update.old_address.ip_addr));
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break;
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}
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TEST_CHECK(!record_lock);
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}
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NSR_GetActivityReport(&report);
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TEST_CHECK(report.online == 0);
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TEST_CHECK(report.offline >= 0);
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TEST_CHECK(report.burst_online == 0);
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TEST_CHECK(report.burst_offline == 0);
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TEST_CHECK(report.unresolved >= 0);
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if (random() % 4 == 0) {
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NSR_RemoveSourcesById(conf_id);
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TEST_CHECK(n_sources <= prev_n);
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} else if (random() % 8 == 0) {
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NSR_RefreshAddresses();
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TEST_CHECK(unresolved_sources);
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}
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}
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NSR_RemoveAllSources();
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TEST_CHECK(n_sources == 0);
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for (j = 0; j < ARR_GetSize(pools); j++) {
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TEST_CHECK(get_pool(j)->sources == 0);
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TEST_CHECK(get_pool(j)->unresolved_sources == 0);
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TEST_CHECK(get_pool(j)->confirmed_sources == 0);
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TEST_CHECK(get_pool(j)->max_sources == 0);
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}
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while (requested_name) {
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TEST_CHECK(resolving_source);
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resolve_random_address(random() % 2 ? DNS_Success : DNS_TryAgain, 4);
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}
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if (unresolved_sources && resolving_id == 0)
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NSR_ResolveSources();
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TEST_CHECK(!!unresolved_sources == (resolving_id != 0));
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if (resolving_id) {
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SCH_RemoveTimeout(resolving_id);
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resolve_sources_timeout(NULL);
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}
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TEST_CHECK(resolving_id == 0);
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TEST_CHECK(!requested_name);
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TEST_CHECK(!unresolved_sources);
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}
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NSR_Finalise();
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REF_Finalise();
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NCR_Finalise();
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NIO_Finalise();
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SRC_Finalise();
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SCH_Finalise();
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LCL_Finalise();
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PRV_Finalise();
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CNF_Finalise();
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HSH_Finalise();
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}
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#else
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void
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test_unit(void)
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{
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TEST_REQUIRE(0);
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}
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#endif
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