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dhcp_test.cc
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dhcp_test.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/os.h"
#include "testing/gunit.h"
#include <sys/socket.h>
#include <netinet/if_ether.h>
#include <boost/scoped_array.hpp>
#include <base/logging.h>
#include <io/event_manager.h>
#include <cmn/agent_cmn.h>
#include <oper/operdb_init.h>
#include <controller/controller_init.h>
#include <controller/controller_vrf_export.h>
#include <pkt/pkt_init.h>
#include <services/services_init.h>
#include <vrouter/ksync/ksync_init.h>
#include <oper/vrf.h>
#include <pugixml/pugixml.hpp>
#include <services/dhcp_proto.h>
#include <vr_interface.h>
#include <test/test_cmn_util.h>
#include <services/services_sandesh.h>
#include <services/dhcp_lease_db.h>
#include "vr_types.h"
#define MAC_LEN 6
#define CLIENT_REQ_IP "1.2.3.4"
#define CLIENT_REQ_PREFIX "1.2.3.0"
#define CLIENT_REQ_GW "1.2.3.1"
#define MAX_WAIT_COUNT 3000
#define BUF_SIZE 8192
MacAddress src_mac(0x00, 0x01, 0x02, 0x03, 0x04, 0x05);
MacAddress dest_mac(0x00, 0x11, 0x12, 0x13, 0x14, 0x15);
#define DHCP_RESPONSE_STRING "Server : 1.1.1.200; Lease time : 4294967295; Subnet mask : 255.255.255.0; Broadcast : 1.1.1.255; Gateway : 1.1.1.200; Host Name : vm1; DNS : 1.1.1.200; Domain Name : test.contrail.juniper.net; "
#define HOST_ROUTE_STRING "Host Routes : 10.1.1.0/24 -> 1.1.1.200;10.1.2.0/24 -> 1.1.1.200;150.25.75.0/24 -> 150.25.75.254;192.168.1.128/28 -> 1.1.1.200;"
#define CHANGED_HOST_ROUTE_STRING "Host Routes : 150.2.2.0/24 -> 1.1.1.200;192.1.1.1/28 -> 1.1.1.200;"
#define IPAM_DHCP_OPTIONS_STRING "DNS : 1.2.3.4; Domain Name : test.com; Time Server : 3.2.14.5"
#define SUBNET_DHCP_OPTIONS_STRING "DNS : 11.12.13.14; Domain Name : subnet.com; Time Server : 3.2.14.5; Host Routes : 10.1.1.0/24 -> 1.1.1.200;10.1.2.0/24 -> 1.1.1.200;150.25.75.0/24 -> 150.25.75.254;192.168.1.128/28 -> 1.1.1.200;Gateway : 1.2.3.4; Gateway : 5.6.7.8; Gateway : 1.1.1.200;"
#define PORT_DHCP_OPTIONS_STRING "DNS : 21.22.23.24; Time Server : 13.12.14.15; Domain Name : test.com;"
#define PORT_HOST_ROUTE_STRING "Host Routes : 99.2.3.0/24 -> 1.1.1.200;99.5.0.0/16 -> 99.5.0.1;"
#define DHCP_CHECK(condition) \
do { \
usleep(1000); \
client->WaitForIdle(); \
stats = Agent::GetInstance()->GetDhcpProto()->GetStats();\
if (++count == MAX_WAIT_COUNT) \
assert(0); \
} while (condition); \
class DhcpTest : public ::testing::Test {
public:
DhcpTest() : itf_count_(0), gw_itf_id_(-1), lease_db_(NULL) {
rid_ = Agent::GetInstance()->interface_table()->Register(
boost::bind(&DhcpTest::ItfUpdate, this, _2));
}
~DhcpTest() {
Agent::GetInstance()->interface_table()->Unregister(rid_);
}
void ItfUpdate(DBEntryBase *entry) {
Interface *itf = static_cast<Interface *>(entry);
VmInterface *vmi = NULL;
if (itf->type() == Interface::VM_INTERFACE)
vmi = static_cast<VmInterface *>(itf);
tbb::mutex::scoped_lock lock(mutex_);
unsigned int i;
for (i = 0; i < itf_id_.size(); ++i)
if (itf_id_[i] == itf->id())
break;
if (entry->IsDeleted()) {
if (itf_count_ && i < itf_id_.size()) {
itf_count_--;
LOG(DEBUG, "DHCP test : interface deleted " << itf_id_[0]);
itf_id_.erase(itf_id_.begin()); // we delete in create order
}
if (vmi && vmi->vmi_type() == VmInterface::GATEWAY)
gw_itf_id_ = -1;
} else {
if (i == itf_id_.size()) {
itf_count_++;
itf_id_.push_back(itf->id());
LOG(DEBUG, "DHCP test : interface added " << itf->id());
}
if (vmi && vmi->vmi_type() == VmInterface::GATEWAY)
gw_itf_id_ = itf->id();
}
}
uint32_t GetItfCount() {
tbb::mutex::scoped_lock lock(mutex_);
return itf_count_;
}
void WaitForItfUpdate(unsigned int expect_count) {
int count = 0;
while (GetItfCount() != expect_count) {
if (++count == MAX_WAIT_COUNT)
assert(0);
usleep(1000);
}
}
std::size_t GetItfId(int index) {
tbb::mutex::scoped_lock lock(mutex_);
return itf_id_[index];
}
std::size_t GetGwItfId() {
tbb::mutex::scoped_lock lock(mutex_);
return gw_itf_id_;
}
std::size_t fabric_interface_id() {
PhysicalInterfaceKey key(Agent::GetInstance()->params()->eth_port().c_str());
Interface *intf = static_cast<Interface *>
(Agent::GetInstance()->interface_table()->FindActiveEntry(&key));
if (intf)
return intf->id();
else
assert(0);
}
void CheckSandeshResponse(Sandesh *sandesh, bool check_dhcp_options,
const char *host_routes_string,
const char *dhcp_option_string,
bool check_other_options,
const char *other_option_string,
bool gateway) {
CheckSandeshResponse(sandesh, check_dhcp_options, host_routes_string,
dhcp_option_string, check_other_options,
other_option_string, gateway, "");
}
void CheckSandeshResponse(Sandesh *sandesh, bool check_dhcp_options,
const char *host_routes_string,
const char *dhcp_option_string,
bool check_other_options,
const char *other_option_string,
bool gateway,
const char *yiaddr) {
if (memcmp(sandesh->Name(), "DhcpPktSandesh",
strlen("DhcpPktSandesh")) == 0) {
DhcpPktSandesh *dhcp_pkt = (DhcpPktSandesh *)sandesh;
DhcpPkt pkt = (dhcp_pkt->get_pkt_list())[3];
if (check_dhcp_options) {
if (strlen(host_routes_string) &&
pkt.dhcp_hdr.dhcp_options.find(host_routes_string) ==
std::string::npos) {
assert(0);
}
if (strlen(dhcp_option_string) &&
pkt.dhcp_hdr.dhcp_options.find(dhcp_option_string) ==
std::string::npos) {
assert(0);
}
// Check that when host routes are specified, GW option is sent
if (strlen(host_routes_string) &&
pkt.dhcp_hdr.dhcp_options.find("Gateway : ") ==
std::string::npos) {
if (gateway) assert(0);
}
}
if (check_other_options) {
if (strlen(other_option_string) &&
pkt.dhcp_hdr.other_options.find(other_option_string) ==
std::string::npos) {
assert(0);
}
}
if (strlen(yiaddr) &&
pkt.dhcp_hdr.yiaddr.find(yiaddr) == std::string::npos) {
assert(0);
}
}
}
void CheckAllSandeshResponse(Sandesh *sandesh) {
if (memcmp(sandesh->Name(), "PktStats",
strlen("PktStats")) == 0) {
PktStats *pkt_stats = (PktStats *)sandesh;
EXPECT_EQ(pkt_stats->get_total_rcvd(), 9);
EXPECT_EQ(pkt_stats->get_dhcp_rcvd(), 9);
}
}
void ClearPktTrace() {
// clear existing ptk trace entries
ClearAllInfo *clear_info = new ClearAllInfo();
clear_info->HandleRequest();
client->WaitForIdle();
clear_info->Release();
}
void SendRelayResponse(uint8_t msg_type, uint8_t *options, int num_options,
uint32_t yiaddr, uint32_t vmifindex = 0) {
int len = 512;
uint8_t *buf = new uint8_t[len];
memset(buf, 0, len);
dhcphdr *dhcp = (dhcphdr *) buf;
dhcp->op = BOOT_REPLY;
dhcp->htype = HW_TYPE_ETHERNET;
dhcp->hlen = ETHER_ADDR_LEN;
dhcp->hops = 0;
dhcp->xid = 0x01020304;
dhcp->secs = 0;
dhcp->flags = 0;
dhcp->ciaddr = 0;
dhcp->yiaddr = htonl(yiaddr);
dhcp->siaddr = 0;
dhcp->giaddr = 0;
src_mac.ToArray(dhcp->chaddr, sizeof(dhcp->chaddr));
memset(dhcp->sname, 0, DHCP_NAME_LEN);
memset(dhcp->file, 0, DHCP_FILE_LEN);
len = DHCP_FIXED_LEN;
len += AddOptions(dhcp->options, msg_type, vmifindex, options, num_options);
Agent::GetInstance()->GetDhcpProto()->SendDhcpIpc(buf, len);
}
void SendDhcp(short ifindex, uint16_t flags, uint8_t msg_type,
uint8_t *options, int num_options, bool error = false,
bool response = false, uint32_t yiaddr = 0,
uint32_t vmifindex = 0,
uint16_t server_port = DHCP_SERVER_PORT) {
int len = 512;
uint8_t *buf = new uint8_t[len];
memset(buf, 0, len);
struct ether_header *eth = (struct ether_header *)buf;
eth->ether_dhost[5] = 1;
eth->ether_shost[5] = 2;
eth->ether_type = htons(ETHERTYPE_IP);
agent_hdr *agent = (agent_hdr *)(eth + 1);
agent->hdr_ifindex = htons(ifindex);
agent->hdr_vrf = htons(0);
agent->hdr_cmd = htons(AgentHdr::TRAP_NEXTHOP);
eth = (struct ether_header *) (agent + 1);
dest_mac.ToArray(eth->ether_dhost, sizeof(eth->ether_dhost));
src_mac.ToArray(eth->ether_shost, sizeof(eth->ether_shost));
eth->ether_type = htons(ETHERTYPE_IP);
struct ip *ip = (struct ip *) (eth + 1);
ip->ip_hl = 5;
ip->ip_v = 4;
ip->ip_tos = 0;
ip->ip_id = 0;
ip->ip_off = 0;
ip->ip_ttl = 16;
ip->ip_p = IPPROTO_UDP;
ip->ip_sum = 0;
if (response) {
ip->ip_src.s_addr = inet_addr("1.2.3.254");
ip->ip_dst.s_addr = 0;
} else {
ip->ip_src.s_addr = 0;
ip->ip_dst.s_addr = inet_addr("255.255.255.255");
}
udphdr *udp = (udphdr *) (ip + 1);
if (response) {
udp->uh_sport = htons(server_port);
udp->uh_dport = htons(server_port + 1);
} else {
udp->uh_sport = htons(server_port + 1);
udp->uh_dport = htons(server_port);
}
udp->uh_sum = 0;
dhcphdr *dhcp = (dhcphdr *) (udp + 1);
if (response) {
dhcp->op = BOOT_REPLY;
} else {
dhcp->op = BOOT_REQUEST;
}
dhcp->htype = HW_TYPE_ETHERNET;
dhcp->hlen = ETHER_ADDR_LEN;
dhcp->hops = 0;
dhcp->xid = 0x01020304;
dhcp->secs = 0;
dhcp->flags = htons(flags);
dhcp->ciaddr = 0;
dhcp->yiaddr = htonl(yiaddr);
dhcp->siaddr = 0;
dhcp->giaddr = 0;
src_mac.ToArray(dhcp->chaddr, sizeof(dhcp->chaddr));
memset(dhcp->sname, 0, DHCP_NAME_LEN);
memset(dhcp->file, 0, DHCP_FILE_LEN);
len = sizeof(udphdr) + DHCP_FIXED_LEN;
len += AddOptions(dhcp->options, msg_type, vmifindex, options, num_options);
if (error) {
// send an error message by modifying the DHCP OPTIONS COOKIE
memcpy(dhcp->options, "1234", 4);
}
udp->uh_ulen = htons(len);
ip->ip_len = htons(len + sizeof(struct ip));
len += sizeof(struct ip) + sizeof(struct ether_header) +
Agent::GetInstance()->pkt()->pkt_handler()->EncapHeaderLen();
TestPkt0Interface *tap = (TestPkt0Interface *)
(Agent::GetInstance()->pkt()->control_interface());
tap->TxPacket(buf, len);
}
int AddOptions(uint8_t *ptr, uint8_t msg_type, uint32_t ifindex,
uint8_t *options, int num_options) {
memcpy(ptr, DHCP_OPTIONS_COOKIE, 4);
ptr += 4;
int len = 4;
for (int i = 0; i < num_options; i++) {
*ptr = options[i];
ptr += 1;
len += 1;
switch(options[i]) {
case DHCP_OPTION_PAD:
break;
case DHCP_OPTION_HOST_NAME:
*ptr = 10;
memcpy(ptr+1, "host1.test", 10);
ptr += 11;
len += 11;
break;
case DHCP_OPTION_REQ_IP_ADDRESS:
*ptr = 4;
*(in_addr_t *)(ptr+1) = inet_addr(CLIENT_REQ_IP);
ptr += 5;
len += 5;
break;
case DHCP_OPTION_MSG_TYPE:
*ptr = 1;
*(ptr+1) = msg_type;
ptr += 2;
len += 2;
break;
case DHCP_OPTION_PARAMETER_REQUEST_LIST:
*ptr = 1;
*(ptr+1) = DHCP_OPTION_CLASSLESS_ROUTE;
ptr += 2;
len += 2;
break;
case DHCP_OPTION_DOMAIN_NAME:
*ptr = 11;
memcpy(ptr+1, "test.domain", 11);
ptr += 12;
len += 12;
break;
case DHCP_OPTION_82: {
*ptr = sizeof(uint32_t) + 2 + sizeof(VmInterface *) + 2;
ptr++;
*ptr = DHCP_SUBOP_CKTID;
*(ptr + 1) = sizeof(uint32_t);
*(uint32_t *)(ptr + 2) = htonl(ifindex);
ptr += sizeof(uint32_t) + 2;
*ptr = DHCP_SUBOP_REMOTEID;
*(ptr + 1) = sizeof(VmInterface *);
Interface *vm = InterfaceTable::GetInstance()->FindInterface(ifindex);
assert(vm != NULL);
memcpy(ptr+2, &vm, sizeof(VmInterface *));
ptr += sizeof(VmInterface *) + 2;
len += sizeof(uint32_t) + 2 + sizeof(VmInterface *) + 2 + 1;
break;
}
case DHCP_OPTION_END:
break;
default:
assert(0);
}
}
return len;
}
void DhcpEnableTest(bool order) {
struct PortInfo input[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
{"vnet2", 2, "1.1.1.2", "00:00:00:02:02:02", 1, 2},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_DOMAIN_NAME,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
IpamInfo ipam_info[] = {
{"1.1.1.0", 24, "1.1.1.200", true},
{"1.2.3.128", 27, "1.2.3.129", true},
{"7.8.9.0", 24, "7.8.9.12", false},
};
char vdns_attr[] = "<virtual-DNS-data>\n <domain-name>test.contrail.juniper.net</domain-name>\n <dynamic-records-from-client>true</dynamic-records-from-client>\n <record-order>fixed</record-order>\n <default-ttl-seconds>120</default-ttl-seconds>\n </virtual-DNS-data>\n";
char ipam_attr[] = "<network-ipam-mgmt>\n <ipam-dns-method>virtual-dns-server</ipam-dns-method>\n <ipam-dns-server><virtual-dns-server-name>vdns1</virtual-dns-server-name></ipam-dns-server>\n </network-ipam-mgmt>\n";
if (order) {
CreateVmportEnv(input, 2, 0);
client->WaitForIdle();
client->Reset();
AddVDNS("vdns1", vdns_attr);
client->WaitForIdle();
AddIPAM("vn1", ipam_info, 3, ipam_attr, "vdns1");
client->WaitForIdle();
} else {
client->Reset();
AddVDNS("vdns1", vdns_attr);
client->WaitForIdle();
AddIPAM("vn1", ipam_info, 3, ipam_attr, "vdns1");
client->WaitForIdle();
CreateVmportEnv(input, 2, 0);
client->WaitForIdle();
}
// Check the dhcp_enable flag
VnEntry *vn = VnGet(1);
std::vector<VnIpam> vn_ipam = vn->GetVnIpam();
for (uint32_t i = 0; i < sizeof(ipam_info) / sizeof(IpamInfo); ++i) {
EXPECT_TRUE(vn_ipam[i].dhcp_enable == ipam_info[i].dhcp_enable);
}
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 4);
int count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
// modify IPAM dhcp_enable
for (uint32_t i = 0; i < sizeof(ipam_info) / sizeof(IpamInfo); ++i) {
ipam_info[i].dhcp_enable = !ipam_info[i].dhcp_enable;
}
AddIPAM("vn1", ipam_info, 3, ipam_attr, "vdns1");
client->WaitForIdle();
vn_ipam = vn->GetVnIpam();
for (uint32_t i = 0; i < sizeof(ipam_info) / sizeof(IpamInfo); ++i) {
EXPECT_TRUE(vn_ipam[i].dhcp_enable == ipam_info[i].dhcp_enable);
}
// now DHCP should be disabled for 1.1.1.0 subnet
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 4);
client->WaitForIdle();
count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
client->Reset();
DelIPAM("vn1", "vdns1");
client->WaitForIdle();
DelVDNS("vdns1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 2, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
void DhcpOptionCategoryTest(char *vm_interface_attr,
bool dhcp_string, const char *dhcp_option_string,
bool other_string, const char *other_option_string) {
struct PortInfo input[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_DOMAIN_NAME,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
IpamInfo ipam_info[] = {
{"1.2.3.128", 27, "1.2.3.129", true},
{"7.8.9.0", 24, "7.8.9.12", true},
{"1.1.1.0", 24, "1.1.1.200", true},
};
CreateVmportEnv(input, 1, 0, NULL, NULL, vm_interface_attr);
client->WaitForIdle();
client->Reset();
AddIPAM("vn1", ipam_info, 3);
client->WaitForIdle();
ClearPktTrace();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 4);
int count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
DhcpInfo *sand = new DhcpInfo();
Sandesh::set_response_callback(boost::bind(
&DhcpTest::CheckSandeshResponse, this, _1,
dhcp_string, "", dhcp_option_string,
other_string, other_option_string, true));
sand->HandleRequest();
client->WaitForIdle();
sand->Release();
client->Reset();
DelIPAM("vn1", "vdns1");
client->WaitForIdle();
DelVDNS("vdns1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 1, 1, 0);
client->WaitForIdle();
ClearPktTrace();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
void LoadDhcpLeaseFile(const Ip4Address &subnet, uint8_t plen,
const std::string &name) {
if (!lease_db_) {
const std::vector<Ip4Address> reserve_addresses;
boost::asio::io_service *io =
Agent::GetInstance()->event_manager()->io_service();
lease_db_ = new DhcpLeaseDb(subnet, plen, reserve_addresses,
name, *io);
} else {
lease_db_->ClearLeases();
lease_db_->LoadLeaseFile();
}
}
bool CheckDhcpLease(const MacAddress &mac, const Ip4Address &ip,
bool released) {
const std::set<DhcpLeaseDb::DhcpLease> &leases = lease_db_->leases();
std::set<DhcpLeaseDb::DhcpLease>::const_iterator it =
leases.find(DhcpLeaseDb::DhcpLease(mac, Ip4Address(), 0, false));
if (it != leases.end()) {
if (it->ip_ == ip && it->released_ == released)
return true;
}
return false;
}
void SetDhcpLeaseTimeout(uint32_t timeout) {
Interface *itf =
Agent::GetInstance()->interface_table()->FindInterface(gw_itf_id_);
if (!itf) return;
DhcpLeaseDb *lease_db =
Agent::GetInstance()->GetDhcpProto()->GetLeaseDb(itf);
lease_db->set_lease_timeout(timeout);
}
void CloseDhcpLeaseFile() {
delete lease_db_;
lease_db_ = NULL;
}
private:
DBTableBase::ListenerId rid_;
uint32_t itf_count_;
std::vector<std::size_t> itf_id_;
std::size_t gw_itf_id_;
tbb::mutex mutex_;
DhcpLeaseDb *lease_db_;
};
class AsioRunEvent : public Task {
public:
AsioRunEvent() : Task(75) { };
virtual ~AsioRunEvent() { };
bool Run() {
Agent::GetInstance()->event_manager()->Run();
return true;
}
std::string Description() const { return "AsioRunEvent"; }
};
TEST_F(DhcpTest, DhcpReqTest) {
struct PortInfo input[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
{"vnet2", 2, "1.1.1.2", "00:00:00:02:02:02", 1, 2},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_DOMAIN_NAME,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
ClearPktTrace();
IpamInfo ipam_info[] = {
{"1.2.3.128", 27, "1.2.3.129", true},
{"7.8.9.0", 24, "7.8.9.12", true},
{"1.1.1.0", 24, "1.1.1.200", true},
};
char vdns_attr[] = "<virtual-DNS-data>\n <domain-name>test.contrail.juniper.net</domain-name>\n <dynamic-records-from-client>true</dynamic-records-from-client>\n <record-order>fixed</record-order>\n <default-ttl-seconds>120</default-ttl-seconds>\n </virtual-DNS-data>\n";
char ipam_attr[] = "<network-ipam-mgmt>\n <ipam-dns-method>virtual-dns-server</ipam-dns-method>\n <ipam-dns-server><virtual-dns-server-name>vdns1</virtual-dns-server-name></ipam-dns-server>\n </network-ipam-mgmt>\n";
CreateVmportEnv(input, 2, 0);
client->WaitForIdle();
client->Reset();
AddVDNS("vdns1", vdns_attr);
client->WaitForIdle();
AddIPAM("vn1", ipam_info, 3, ipam_attr, "vdns1");
client->WaitForIdle();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 4);
int count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
SendDhcp(GetItfId(1), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(1), 0x8000, DHCP_REQUEST, options, 4);
SendDhcp(GetItfId(1), 0, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(1), 0, DHCP_REQUEST, options, 4);
count = 0;
DHCP_CHECK (stats.acks < 3);
EXPECT_EQ(3U, stats.discover);
EXPECT_EQ(3U, stats.request);
EXPECT_EQ(3U, stats.offers);
EXPECT_EQ(3U, stats.acks);
SendDhcp(GetItfId(1), 0x8000, DHCP_INFORM, options, 4);
SendDhcp(GetItfId(1), 0x8000, DHCP_DECLINE, options, 4);
count = 0;
DHCP_CHECK (stats.decline < 1);
EXPECT_EQ(3U, stats.discover);
EXPECT_EQ(3U, stats.request);
EXPECT_EQ(1U, stats.inform);
EXPECT_EQ(1U, stats.decline);
EXPECT_EQ(3U, stats.offers);
EXPECT_EQ(4U, stats.acks);
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4, true);
count = 0;
DHCP_CHECK (stats.errors < 1);
EXPECT_EQ(3U, stats.discover);
EXPECT_EQ(3U, stats.request);
EXPECT_EQ(1U, stats.inform);
EXPECT_EQ(1U, stats.decline);
EXPECT_EQ(3U, stats.offers);
EXPECT_EQ(4U, stats.acks);
EXPECT_EQ(1U, stats.errors);
client->WaitForIdle();
DhcpInfo *sand = new DhcpInfo();
Sandesh::set_response_callback(
boost::bind(&DhcpTest::CheckSandeshResponse, this, _1,
true, "", DHCP_RESPONSE_STRING, false, "", true));
sand->HandleRequest();
client->WaitForIdle();
sand->Release();
ShowAllInfo *all_sandesh = new ShowAllInfo();
Sandesh::set_response_callback(
boost::bind(&DhcpTest::CheckAllSandeshResponse, this, _1));
all_sandesh->HandleRequest();
client->WaitForIdle();
all_sandesh->Release();
client->Reset();
DelIPAM("vn1", "vdns1");
client->WaitForIdle();
DelVDNS("vdns1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 2, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
TEST_F(DhcpTest, DhcpOtherReqTest) {
struct PortInfo input[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
CreateVmportEnv(input, 1, 0);
client->WaitForIdle();
client->Reset();
SendDhcp(GetItfId(0), 0x8000, DHCP_RELEASE, options, 2);
SendDhcp(GetItfId(0), 0x8000, DHCP_LEASE_QUERY, options, 2);
SendDhcp(GetItfId(0), 0x8000, DHCP_ACK, options, 2);
int count = 0;
DHCP_CHECK (stats.other < 2);
EXPECT_EQ(2U, stats.other);
EXPECT_EQ(1U, stats.release);
client->Reset();
DeleteVmportEnv(input, 1, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
TEST_F(DhcpTest, DhcpOptionTest) {
struct PortInfo input[] = {
{"vnet3", 3, CLIENT_REQ_IP, "00:00:00:03:03:03", 1, 3},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_REQ_IP_ADDRESS,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_DOMAIN_NAME,
DHCP_OPTION_PAD,
DHCP_OPTION_PAD,
DHCP_OPTION_PAD,
DHCP_OPTION_PAD,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
IpamInfo ipam_info[] = {
{CLIENT_REQ_PREFIX, 24, CLIENT_REQ_GW, true},
};
char vdns_attr[] = "<virtual-DNS-data>\n <domain-name>test.domain</domain-name>\n <dynamic-records-from-client>true</dynamic-records-from-client>\n <record-order>fixed</record-order>\n <default-ttl-seconds>120</default-ttl-seconds>\n </virtual-DNS-data>\n";
char ipam_attr[] =
"<network-ipam-mgmt>\
<ipam-dns-method>virtual-dns-server</ipam-dns-method>\
<ipam-dns-server>\
<virtual-dns-server-name>vdns1</virtual-dns-server-name>\
</ipam-dns-server>\
<dhcp-option-list>\
<dhcp-option>\
<dhcp-option-name>6</dhcp-option-name>\
<dhcp-option-value>1.2.3.4</dhcp-option-value>\
<dhcp-option-value-bytes>2 2 2 2</dhcp-option-value-bytes>\
</dhcp-option>\
<dhcp-option>\
<dhcp-option-name>15</dhcp-option-name>\
<dhcp-option-value>test.com</dhcp-option-value>\
</dhcp-option>\
<dhcp-option>\
<dhcp-option-name>4</dhcp-option-name>\
<dhcp-option-value>3.2.14.5</dhcp-option-value>\
</dhcp-option>\
<dhcp-option>\
<dhcp-option-name>4</dhcp-option-name>\
<dhcp-option-value>junk</dhcp-option-value>\
</dhcp-option>\
</dhcp-option-list>\
</network-ipam-mgmt>";
CreateVmportEnv(input, 1, 0);
client->WaitForIdle();
client->Reset();
AddVDNS("vdns1", vdns_attr);
client->WaitForIdle();
AddIPAM("vn1", ipam_info, 1, ipam_attr, "vdns1");
client->WaitForIdle();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 9);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 9);
int count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
DhcpInfo *sand = new DhcpInfo();
Sandesh::set_response_callback(boost::bind(&DhcpTest::CheckSandeshResponse,
this, _1, false, "", "",
false, "", true));
sand->HandleRequest();
client->WaitForIdle();
sand->Release();
client->Reset();
DelIPAM("vn1", "vdns1");
client->WaitForIdle();
DelVDNS("vdns1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 1, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
TEST_F(DhcpTest, DhcpNakTest) {
struct PortInfo input[] = {
{"vnet4", 4, "5.6.7.8", "00:00:00:04:04:04", 1, 4},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_REQ_IP_ADDRESS,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
IpamInfo ipam_info[] = {
{"5.6.7.0", 24, "5.6.7.1", true},
};
CreateVmportEnv(input, 1, 0);
client->WaitForIdle();
client->Reset();
AddIPAM("vn1", ipam_info, 1);
client->WaitForIdle();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 4);
int count = 0;
DHCP_CHECK (stats.nacks < 1);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.nacks);
DhcpInfo *sand = new DhcpInfo();
Sandesh::set_response_callback(boost::bind(&DhcpTest::CheckSandeshResponse,
this, _1, false, "", "",
false, "", true));
sand->HandleRequest();
client->WaitForIdle();
sand->Release();
client->Reset();
DelIPAM("vn1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 1, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
TEST_F(DhcpTest, DhcpShortLeaseTest) {
struct PortInfo input[] = {
{"vnet5", 5, "9.6.7.8", "00:00:00:05:05:05", 1, 5},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
IntfCfgAdd(input, 0);
WaitForItfUpdate(1);
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 3);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 3);
int count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 3);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 3);
count = 0;
DHCP_CHECK (stats.acks < 2);
EXPECT_EQ(2U, stats.discover);
EXPECT_EQ(2U, stats.request);
EXPECT_EQ(2U, stats.offers);
EXPECT_EQ(2U, stats.acks);
IpamInfo ipam_info[] = {
{"9.6.7.0", 24, "9.6.7.254", true},
};
CreateVmportEnv(input, 1, 0);
client->WaitForIdle();
client->Reset();
AddIPAM("vn1", ipam_info, 1);
client->WaitForIdle();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 3);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 3);
count = 0;
DHCP_CHECK (stats.acks < 3);
EXPECT_EQ(3U, stats.discover);
EXPECT_EQ(3U, stats.request);
EXPECT_EQ(3U, stats.offers);
EXPECT_EQ(3U, stats.acks);
IntfCfgDel(input, 0);
WaitForItfUpdate(0);
client->Reset();
DelIPAM("vn1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 1, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
TEST_F(DhcpTest, DhcpTenantDnsTest) {
struct PortInfo input[] = {
{"vnet6", 6, "3.2.5.7", "00:00:00:06:06:06", 1, 6},
};
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_HOST_NAME,
DHCP_OPTION_DOMAIN_NAME,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
IpamInfo ipam_info[] = {
{"3.2.5.0", 24, "3.2.5.254", true},
};
char ipam_attr[] =
"<network-ipam-mgmt>\
<ipam-dns-method>tenant-dns-server</ipam-dns-method>\
<ipam-dns-server>\
<tenant-dns-server-address>\
<ip-address>3.2.4.5</ip-address>\
<ip-address>5.5.4.5</ip-address>\
<ip-address>junk</ip-address>\
</tenant-dns-server-address>\
</ipam-dns-server>\
<dhcp-option-list>\
<dhcp-option>\
<dhcp-option-name>6</dhcp-option-name>\
<dhcp-option-value>1.2.3.4</dhcp-option-value>\
</dhcp-option>\
<dhcp-option>\
<dhcp-option-name>15</dhcp-option-name>\
<dhcp-option-value>test.com</dhcp-option-value>\
</dhcp-option>\
<dhcp-option>\
<dhcp-option-name>4</dhcp-option-name>\
<dhcp-option-value>3.2.14.5</dhcp-option-value>\
</dhcp-option>\
</dhcp-option-list>\
</network-ipam-mgmt>";
CreateVmportEnv(input, 1, 0);
client->WaitForIdle();
client->Reset();
AddIPAM("vn1", ipam_info, 1, ipam_attr);
client->WaitForIdle();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 4);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 4);
int count = 0;
DHCP_CHECK (stats.acks < 1);
EXPECT_EQ(1U, stats.discover);
EXPECT_EQ(1U, stats.request);
EXPECT_EQ(1U, stats.offers);
EXPECT_EQ(1U, stats.acks);
client->Reset();
DelIPAM("vn1");
client->WaitForIdle();
client->Reset();
DeleteVmportEnv(input, 1, 1, 0);
client->WaitForIdle();
Agent::GetInstance()->GetDhcpProto()->ClearStats();
}
TEST_F(DhcpTest, DhcpFabricPortTest) {
struct PortInfo input[] = {
{"vnet7", 7, "1.1.1.1", "00:00:00:07:07:07", 1, 7},
};
Ip4Address vmaddr(Agent::GetInstance()->router_id().to_ulong() + 1);
strncpy(input[0].addr, vmaddr.to_string().c_str(), 32);
uint8_t options[] = {
DHCP_OPTION_MSG_TYPE,
DHCP_OPTION_DOMAIN_NAME,
DHCP_OPTION_END
};
DhcpProto::DhcpStats stats;
CreateVmportEnv(input, 1, 0, NULL,
Agent::GetInstance()->fabric_vrf_name().c_str());
client->WaitForIdle();
SendDhcp(GetItfId(0), 0x8000, DHCP_DISCOVER, options, 3);
SendDhcp(GetItfId(0), 0x8000, DHCP_REQUEST, options, 3);
int count = 0;