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services_sandesh.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/os.h"
#include <netinet/icmp6.h>
#include <boost/assign/list_of.hpp>
#include <pkt/pkt_handler.h>
#include <oper/mirror_table.h>
#include <oper/vn.h>
#include <pkt/pkt_init.h>
#include <services/services_init.h>
#include <services/dhcp_proto.h>
#include <services/dhcpv6_proto.h>
#include <services/arp_proto.h>
#include <services/dns_proto.h>
#include <services/icmp_proto.h>
#include <services/icmpv6_proto.h>
#include <services/metadata_proxy.h>
#include <services/services_types.h>
#include <services/services_sandesh.h>
#include <vr_defs.h>
#define SET_ICMPV6_INTERFACE_STATS(it, list) \
InterfaceIcmpv6Stats entry; \
VmInterface *vmi = it->first; \
const Icmpv6Proto::Icmpv6Stats &stats = it->second; \
entry.set_interface_index(vmi->id()); \
entry.set_icmpv6_router_solicit(stats.icmpv6_router_solicit_); \
entry.set_icmpv6_router_advert(stats.icmpv6_router_advert_); \
entry.set_icmpv6_ping_request(stats.icmpv6_ping_request_); \
entry.set_icmpv6_ping_response(stats.icmpv6_ping_response_); \
entry.set_icmpv6_neighbor_solicit(stats.icmpv6_neighbor_solicit_); \
entry.set_icmpv6_neighbor_advert_solicited \
(stats.icmpv6_neighbor_advert_solicited_); \
entry.set_icmpv6_neighbor_advert_unsolicited \
(stats.icmpv6_neighbor_advert_unsolicited_); \
list.push_back(entry);
std::map<uint16_t, std::string> g_ip_protocol_map =
boost::assign::map_list_of<uint16_t, std::string>
(1, "icmp")
(2, "igmp")
(4, "ipv4")
(6, "tcp")
(17, "udp")
(41, "ipv6")
(47, "gre");
std::map<uint32_t, std::string> g_dhcp_msg_types =
boost::assign::map_list_of<uint32_t, std::string>
(DHCP_UNKNOWN, "Unknown")
(DHCP_DISCOVER, "Discover")
(DHCP_OFFER, "Offer")
(DHCP_REQUEST, "Request")
(DHCP_ACK, "Ack")
(DHCP_NAK, "Nack")
(DHCP_INFORM, "Inform")
(DHCP_DECLINE, "Decline")
(DHCP_RELEASE, "Release")
(DHCP_LEASE_QUERY, "Lease Query")
(DHCP_LEASE_UNASSIGNED, "Lease Unassigned")
(DHCP_LEASE_UNKNOWN, "Lease Unknown")
(DHCP_LEASE_ACTIVE, "Lease Active");
std::map<uint32_t, std::string> g_dhcpv6_msg_types =
boost::assign::map_list_of<uint32_t, std::string>
(DHCPV6_UNKNOWN, "Unknown")
(DHCPV6_SOLICIT, "Solicit")
(DHCPV6_ADVERTISE, "Advertise")
(DHCPV6_REQUEST, "Request")
(DHCPV6_CONFIRM, "Confirm")
(DHCPV6_RENEW, "Renew")
(DHCPV6_REBIND, "Rebind")
(DHCPV6_REPLY, "Reply")
(DHCPV6_RELEASE, "Release")
(DHCPV6_DECLINE, "Decline")
(DHCPV6_RECONFIGURE, "Reconfigure")
(DHCPV6_INFORMATION_REQUEST, "Information Request");
void ServicesSandesh::MacToString(const unsigned char *mac, std::string &mac_str) {
char mstr[32];
snprintf(mstr, 32, "%02x:%02x:%02x:%02x:%02x:%02x",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
mac_str.assign(mstr);
}
std::string ServicesSandesh::IntToString(uint32_t val) {
std::ostringstream str;
str << val;
return str.str();
}
std::string ServicesSandesh::IntToHexString(uint32_t val) {
std::ostringstream str;
str << "0x" << std::hex << val;
return str.str();
}
void ServicesSandesh::PktToHexString(uint8_t *pkt, int32_t len,
std::string &msg) {
for (int32_t i = 0; i < len; i++) {
char val[4];
snprintf(val, 4, "%02x ", pkt[i]);
msg.append(val);
}
}
std::string ServicesSandesh::IpProtocol(uint16_t prot) {
std::map<uint16_t, std::string>::iterator it = g_ip_protocol_map.find(prot);
if (it == g_ip_protocol_map.end()) {
return IntToString(prot);
}
return it->second;
}
std::string &ServicesSandesh::DhcpMsgType(uint32_t msg_type) {
std::map<uint32_t, std::string>::iterator it = g_dhcp_msg_types.find(msg_type);
if (it == g_dhcp_msg_types.end())
return DhcpMsgType(DHCP_UNKNOWN);
return it->second;
}
std::string &ServicesSandesh::Dhcpv6MsgType(uint32_t msg_type) {
std::map<uint32_t, std::string>::iterator it = g_dhcpv6_msg_types.find(msg_type);
if (it == g_dhcpv6_msg_types.end())
return Dhcpv6MsgType(DHCPV6_OPTION_UNKNOWN);
return it->second;
}
void ServicesSandesh::PktStatsSandesh(std::string ctxt, bool more) {
PktStats *resp = new PktStats();
const PktHandler::PktStats &stats = Agent::GetInstance()->pkt()->pkt_handler()->GetStats();
uint32_t total_rcvd = 0;
uint32_t total_sent = 0;
for (int i = 0; i < PktHandler::MAX_MODULES; ++i) {
total_rcvd += stats.received[i];
total_sent += stats.sent[i];
}
resp->set_total_rcvd(total_rcvd);
resp->set_dhcp_rcvd(stats.received[PktHandler::DHCP]);
resp->set_arp_rcvd(stats.received[PktHandler::ARP]);
resp->set_dns_rcvd(stats.received[PktHandler::DNS]);
resp->set_icmp_rcvd(stats.received[PktHandler::ICMP]);
resp->set_flow_rcvd(stats.received[PktHandler::FLOW]);
resp->set_dropped(stats.dropped);
resp->set_total_sent(total_sent);
resp->set_dhcp_sent(stats.sent[PktHandler::DHCP]);
resp->set_arp_sent(stats.sent[PktHandler::ARP]);
resp->set_dns_sent(stats.sent[PktHandler::DNS]);
resp->set_icmp_sent(stats.sent[PktHandler::ICMP]);
resp->set_dhcp_q_threshold_exceeded(stats.q_threshold_exceeded[PktHandler::DHCP]);
resp->set_arp_q_threshold_exceeded(stats.q_threshold_exceeded[PktHandler::ARP]);
resp->set_dns_q_threshold_exceeded(stats.q_threshold_exceeded[PktHandler::DNS]);
resp->set_icmp_q_threshold_exceeded(stats.q_threshold_exceeded[PktHandler::ICMP]);
resp->set_flow_q_threshold_exceeded(stats.q_threshold_exceeded[PktHandler::FLOW]);
resp->set_context(ctxt);
resp->set_more(more);
resp->Response();
}
void ServicesSandesh::DhcpStatsSandesh(std::string ctxt, bool more) {
DhcpStats *dhcp = new DhcpStats();
const DhcpProto::DhcpStats &dstats =
Agent::GetInstance()->GetDhcpProto()->GetStats();
dhcp->set_dhcp_discover(dstats.discover);
dhcp->set_dhcp_request(dstats.request);
dhcp->set_dhcp_inform(dstats.inform);
dhcp->set_dhcp_decline(dstats.decline);
dhcp->set_dhcp_other(dstats.other);
dhcp->set_dhcp_errors(dstats.errors);
dhcp->set_offers_sent(dstats.offers);
dhcp->set_acks_sent(dstats.acks);
dhcp->set_nacks_sent(dstats.nacks);
dhcp->set_relay_request(dstats.relay_req);
dhcp->set_relay_response(dstats.relay_resp);
dhcp->set_context(ctxt);
dhcp->set_more(more);
dhcp->Response();
}
void ServicesSandesh::Dhcpv6StatsSandesh(std::string ctxt, bool more) {
Dhcpv6Stats *dhcp = new Dhcpv6Stats();
const Dhcpv6Proto::DhcpStats &dstats =
Agent::GetInstance()->dhcpv6_proto()->GetStats();
dhcp->set_dhcp_solicit(dstats.solicit);
dhcp->set_dhcp_advertise(dstats.advertise);
dhcp->set_dhcp_request(dstats.request);
dhcp->set_dhcp_confirm(dstats.confirm);
dhcp->set_dhcp_renew(dstats.renew);
dhcp->set_dhcp_rebind(dstats.rebind);
dhcp->set_dhcp_reply(dstats.reply);
dhcp->set_dhcp_release(dstats.release);
dhcp->set_dhcp_decline(dstats.decline);
dhcp->set_dhcp_reconfigure(dstats.reconfigure);
dhcp->set_information_request(dstats.information_request);
dhcp->set_dhcp_error(dstats.error);
dhcp->set_context(ctxt);
dhcp->set_more(more);
dhcp->Response();
}
void ServicesSandesh::ArpStatsSandesh(std::string ctxt, bool more) {
ArpProto *arp_proto = Agent::GetInstance()->GetArpProto();
ArpStats *arp = new ArpStats();
const ArpProto::ArpStats &astats = arp_proto->GetStats();
arp->set_arp_entries(arp_proto->GetArpCacheSize());
arp->set_arp_requests(astats.arp_req);
arp->set_arp_replies(astats.arp_replies);
arp->set_arp_gratuitous(astats.arp_gratuitous);
arp->set_arp_resolved(astats.resolved);
arp->set_arp_max_retries_exceeded(astats.max_retries_exceeded);
arp->set_arp_errors(astats.errors);
arp->set_arp_invalid_packets(astats.arp_invalid_packets);
arp->set_arp_invalid_interface(astats.arp_invalid_interface);
arp->set_arp_invalid_vrf(astats.arp_invalid_vrf);
arp->set_arp_invalid_address(astats.arp_invalid_address);
arp->set_context(ctxt);
arp->set_more(more);
arp->Response();
}
void ServicesSandesh::DnsStatsSandesh(std::string ctxt, bool more) {
DnsStats *dns = new DnsStats();
const DnsProto::DnsStats &nstats = Agent::GetInstance()->GetDnsProto()->GetStats();
uint8_t count = 0;
std::vector<string> &list =
const_cast<std::vector<string>&>(dns->get_dns_resolver());
std::vector<DSResponse> ds_reponse =
Agent::GetInstance()->GetDiscoveryDnsServerResponseList();
if (ds_reponse.size()) {
std::vector<DSResponse>::iterator iter;
for (iter = ds_reponse.begin(); iter != ds_reponse.end(); iter++) {
DSResponse dr = *iter;
list.push_back(dr.ep.address().to_string());
}
} else {
while (count < MAX_XMPP_SERVERS) {
if (!Agent::GetInstance()->dns_server(count).empty()) {
list.push_back(Agent::GetInstance()->dns_server(count));
}
count++;
}
}
dns->set_dns_requests(nstats.requests);
dns->set_dns_resolved(nstats.resolved);
dns->set_dns_retransmit_reqs(nstats.retransmit_reqs);
dns->set_dns_unsupported(nstats.unsupported);
dns->set_dns_failures(nstats.fail);
dns->set_dns_drops(nstats.drop);
dns->set_context(ctxt);
dns->set_more(more);
dns->Response();
}
void ServicesSandesh::IcmpStatsSandesh(std::string ctxt, bool more) {
IcmpStats *icmp = new IcmpStats();
const IcmpProto::IcmpStats &istats = Agent::GetInstance()->GetIcmpProto()->GetStats();
icmp->set_icmp_gw_ping(istats.icmp_gw_ping);
icmp->set_icmp_gw_ping_err(istats.icmp_gw_ping_err);
icmp->set_icmp_drop(istats.icmp_drop);
icmp->set_context(ctxt);
icmp->set_more(more);
icmp->Response();
}
void ServicesSandesh::Icmpv6StatsSandesh(std::string ctxt, bool more) {
Icmpv6Stats *icmp = new Icmpv6Stats();
const Icmpv6Proto::Icmpv6Stats &istats =
Agent::GetInstance()->icmpv6_proto()->GetStats();
icmp->set_icmpv6_router_solicit(istats.icmpv6_router_solicit_);
icmp->set_icmpv6_router_advert(istats.icmpv6_router_advert_);
icmp->set_icmpv6_ping_request(istats.icmpv6_ping_request_);
icmp->set_icmpv6_ping_response(istats.icmpv6_ping_response_);
icmp->set_icmpv6_drop(istats.icmpv6_drop_);
icmp->set_icmpv6_neighbor_solicit(istats.icmpv6_neighbor_solicit_);
icmp->set_icmpv6_neighbor_advert_solicited
(istats.icmpv6_neighbor_advert_solicited_);
icmp->set_icmpv6_neighbor_advert_unsolicited
(istats.icmpv6_neighbor_advert_unsolicited_);
icmp->set_context(ctxt);
icmp->set_more(more);
icmp->Response();
}
void ServicesSandesh::FillPktData(PktTrace::Pkt &pkt, PktData &resp) {
switch (pkt.dir) {
case PktTrace::In:
resp.direction = "in";
break;
case PktTrace::Out:
resp.direction = "out";
break;
default:
resp.direction = "error";
break;
}
resp.len = pkt.len;
}
uint16_t ServicesSandesh::FillVrouterHdr(PktTrace::Pkt &pkt, VrouterHdr &resp) {
boost::array<std::string, MAX_AGENT_HDR_COMMANDS> commands =
{ { "switch", "route", "arp", "l2-protocol", "trap-nexthop",
"trap-resolve", "trap-flow-miss", "trap-l3-protocol",
"trap-diag", "trap-ecmp-resolve", "trap_source_mismatch",
"trap-dont-fragment", "tor-control" } };
uint8_t *ptr = pkt.pkt;
AgentHdr *hdr = reinterpret_cast<AgentHdr *>(ptr);
resp.ifindex = hdr->ifindex;
resp.vrf = hdr->vrf;
uint16_t cmd = hdr->cmd;
if (cmd < MAX_AGENT_HDR_COMMANDS)
resp.cmd = commands.at(cmd);
else
resp.cmd = "unknown";
resp.cmd_param = hdr->cmd_param;
resp.nh = hdr->nh;
return sizeof(AgentHdr);
}
int ServicesSandesh::FillMacHdr(struct ether_header *eth, MacHdr &resp) {
int len = sizeof(struct ether_header);
MacToString(eth->ether_dhost, resp.dest_mac);
MacToString(eth->ether_shost, resp.src_mac);
uint16_t type = ntohs(eth->ether_type);
uint8_t *ptr = (uint8_t *)eth + 12;
while (type == ETHERTYPE_VLAN) {
len += 4;
ptr += 4;
type = ntohs(*(uint16_t *)ptr);
}
resp.type = (type == 0x800) ? "ip" :
(type == 0x806) ? "arp" : IntToString(type);
return len;
}
static uint32_t get_val(void *data) {
union {
uint8_t data[sizeof(uint32_t)];
uint32_t addr;
} bytes;
memcpy(bytes.data, data, sizeof(uint32_t));
return ntohl(bytes.addr);
}
void ServicesSandesh::FillArpHdr(ether_arp *arp, ArpHdr &resp) {
uint16_t val = ntohs(arp->arp_hrd);
resp.htype = (val == 1) ? "ethernet" : IntToString(val);
val = ntohs(arp->arp_pro);
resp.protocol = (val == 0x800) ? "ip" : IntToString(val);
resp.hw_size = arp->arp_hln;
resp.prot_size = arp->arp_pln;
val = ntohs(arp->arp_op);
resp.opcode = (val == 1) ? "request" :
(val == 2) ? "response" : IntToString(val);
MacToString(arp->arp_sha, resp.sender_mac);
MacToString(arp->arp_tha, resp.target_mac);
Ip4Address spa(get_val(arp->arp_spa));
Ip4Address tpa(get_val(arp->arp_tpa));
resp.sender_ip = spa.to_string();
resp.target_ip = tpa.to_string();
}
void ServicesSandesh::FillIpv4Hdr(struct ip *ip, Ipv4Hdr &resp) {
resp.vers = ip->ip_v;
resp.hdrlen = ip->ip_hl;
resp.tos = ip->ip_tos;
resp.len = ntohs(ip->ip_len);
resp.id = IntToHexString(ntohs(ip->ip_id));
resp.frag = IntToHexString(ntohs(ip->ip_off));
resp.ttl = ip->ip_ttl;
resp.protocol = IpProtocol(ip->ip_p);
resp.csum = IntToHexString(ntohs(ip->ip_sum));
Ip4Address sa(ntohl(ip->ip_src.s_addr));
Ip4Address da(ntohl(ip->ip_dst.s_addr));
resp.src_ip = sa.to_string();
resp.dest_ip = da.to_string();
}
void ServicesSandesh::FillIpv6Hdr(ip6_hdr *ip, Ipv6Hdr &resp) {
resp.flow = ntohl(ip->ip6_flow);
resp.plen = ntohs(ip->ip6_plen);
resp.next_hdr = ip->ip6_nxt;
resp.hlim = ip->ip6_hlim;
boost::system::error_code ec;
boost::asio::ip::address_v6::bytes_type src_addr;
memcpy(&src_addr[0], ip->ip6_src.s6_addr, 16);
boost::asio::ip::address_v6 src(src_addr);
resp.src_ip = src.to_string(ec);
boost::asio::ip::address_v6::bytes_type dest_addr;
memcpy(&dest_addr[0], ip->ip6_dst.s6_addr, 16);
boost::asio::ip::address_v6 dest(dest_addr);
resp.dest_ip = dest.to_string(ec);
}
void ServicesSandesh::FillIcmpv4Hdr(struct icmp *icmp, Icmpv4Hdr &resp) {
resp.type = (icmp->icmp_type == ICMP_ECHO) ? "echo request":
(icmp->icmp_type == ICMP_ECHOREPLY) ? "echo reply" :
IntToString(icmp->icmp_type);
resp.code = icmp->icmp_code;
resp.csum = IntToHexString(ntohs(icmp->icmp_cksum));
}
void ServicesSandesh::FillIcmpv6Hdr(icmp6_hdr *icmp, Icmpv6Hdr &resp,
int32_t len) {
switch (icmp->icmp6_type) {
case ICMP6_ECHO_REQUEST:
resp.type = "echo request";
break;
case ICMP6_ECHO_REPLY:
resp.type = "echo reply";
break;
case ND_ROUTER_SOLICIT:
resp.type = "router solicit";
break;
case ND_ROUTER_ADVERT:
resp.type = "router advertisement";
break;
default:
resp.type = IntToString(icmp->icmp6_type);
break;
}
resp.code = icmp->icmp6_code;
resp.csum = IntToHexString(ntohs(icmp->icmp6_cksum));
PktToHexString((uint8_t *)icmp->icmp6_data8, len - 4, resp.rest);
}
void ServicesSandesh::FillUdpHdr(udphdr *udp, UdpHdr &resp) {
resp.src_port = ntohs(udp->uh_sport);
resp.dest_port = ntohs(udp->uh_dport);
resp.length = ntohs(udp->uh_ulen);
resp.csum = IntToHexString(ntohs(udp->uh_sum));
}
std::string
ServicesSandesh::FillOptionString(char *data, int32_t len, std::string msg) {
std::string str;
if (len > 0)
str.assign(data, len);
return (msg + str + "; ");
}
std::string
ServicesSandesh::FillOptionInteger(uint32_t data, std::string msg) {
std::stringstream str;
str << msg << data << "; ";
return str.str();
}
std::string
ServicesSandesh::FillOptionIp(uint32_t data, std::string msg) {
Ip4Address addr(data);
return msg + addr.to_string() + "; ";
}
void
ServicesSandesh::FillHostRoutes(uint8_t *data, int len,
std::string &resp) {
std::stringstream routes;
int parsed = 0;
uint8_t *ptr = data;
while (parsed < len) {
uint32_t addr = 0;
int plen = *ptr++;
parsed++;
int j;
for (j = 0; plen && j <= (plen - 1) / 8; ++j) {
addr = (addr << 8) | *ptr++;
parsed++;
}
addr = addr << (4 - j) * 8;
Ip4Address prefix(addr);
Ip4Address route(get_val(ptr));
routes << prefix.to_string() << "/" << plen << " -> "
<< route.to_string() << ";";
ptr += 4;
parsed += 4;
}
resp += routes.str();
}
void ServicesSandesh::FillDhcpv4Options(Dhcpv4Options *opt, std::string &resp,
std::string &other, int32_t len) {
while (opt->code != DHCP_OPTION_END && len > 0) {
switch (opt->code) {
case DHCP_OPTION_PAD:
len -= 1;
opt = (Dhcpv4Options *)((uint8_t *)opt + 1);
continue;
case DHCP_OPTION_MSG_TYPE:
if (len >= (2 + opt->len))
resp += DhcpMsgType(*(uint8_t *)opt->data) + "; ";
break;
case DHCP_OPTION_REQ_IP_ADDRESS: {
if (len >= (2 + opt->len)) {
Ip4Address addr(get_val(opt->data));
resp += "Requested IP : " + addr.to_string() + "; ";
}
break;
}
case DHCP_OPTION_HOST_NAME:
if (len >= (2 + opt->len))
resp += FillOptionString((char *)opt->data, opt->len,
"Host Name : ");
break;
case DHCP_OPTION_DOMAIN_NAME:
if (len >= (2 + opt->len))
resp += FillOptionString((char *)opt->data, opt->len,
"Domain Name : ");
break;
case DHCP_OPTION_MESSAGE:
if (len >= (2 + opt->len))
resp += FillOptionString((char *)opt->data, opt->len,
"Msg : ");
break;
case DHCP_OPTION_IP_LEASE_TIME:
if (len >= (2 + opt->len))
resp += FillOptionInteger(get_val(opt->data), "Lease time : ");
break;
case DHCP_OPTION_SUBNET_MASK:
if (len >= (2 + opt->len))
resp += FillOptionIp(get_val(opt->data), "Subnet mask : ");
break;
case DHCP_OPTION_BCAST_ADDRESS:
if (len >= (2 + opt->len))
resp += FillOptionIp(get_val(opt->data), "Broadcast : ");
break;
case DHCP_OPTION_ROUTER:
if (len >= (2 + opt->len)) {
int16_t optlen = 0;
while (optlen < opt->len) {
resp += FillOptionIp(get_val(opt->data + optlen),
"Gateway : ");
optlen += 4;
}
}
break;
case DHCP_OPTION_DNS:
if (len >= (2 + opt->len))
resp += FillOptionIp(get_val(opt->data), "DNS : ");
break;
case DHCP_OPTION_TIME_SERVER:
if (len >= (2 + opt->len))
resp += FillOptionIp(get_val(opt->data), "Time Server : ");
break;
case DHCP_OPTION_SERVER_IDENTIFIER:
if (len >= (2 + opt->len))
resp += FillOptionIp(get_val(opt->data), "Server : ");
break;
case DHCP_OPTION_CLASSLESS_ROUTE:
if (len >= (2 + opt->len)) {
resp += "Host Routes : ";
FillHostRoutes(opt->data, opt->len, resp);
}
break;
default:
PktToHexString((uint8_t *)opt, opt->len + 2, other);
break;
}
len -= (2 + opt->len);
opt = (Dhcpv4Options *)((uint8_t *)opt + 2 + opt->len);
}
}
void ServicesSandesh::FillDhcpv4Hdr(dhcphdr *dhcp, Dhcpv4Hdr &resp,
int32_t len) {
resp.op = (dhcp->op == 1) ? "request" : "reply";
resp.htype = (dhcp->htype == 1) ? "ethernet" : IntToString(dhcp->htype);
resp.hlen = dhcp->hlen;
resp.hops = dhcp->hops;
resp.xid = IntToHexString(dhcp->xid);
resp.secs = ntohs(dhcp->secs);
resp.flags =
(ntohs(dhcp->flags) & DHCP_BCAST_FLAG) ? "broadcast" : "unicast";
Ip4Address ciaddr(ntohl(dhcp->ciaddr));
Ip4Address yiaddr(ntohl(dhcp->yiaddr));
Ip4Address siaddr(ntohl(dhcp->siaddr));
Ip4Address giaddr(ntohl(dhcp->giaddr));
resp.ciaddr = ciaddr.to_string();
resp.yiaddr = yiaddr.to_string();
resp.siaddr = siaddr.to_string();
resp.giaddr = giaddr.to_string();
PktToHexString(dhcp->chaddr, DHCP_CHADDR_LEN, resp.chaddr);
PktToHexString(dhcp->sname, DHCP_NAME_LEN, resp.sname);
PktToHexString(dhcp->file, DHCP_FILE_LEN, resp.file);
PktToHexString(dhcp->options, 4, resp.cookie);
len -= (DHCP_FIXED_LEN + 4);
FillDhcpv4Options((Dhcpv4Options *)(dhcp->options + 4),
resp.dhcp_options, resp.other_options, len);
}
void ServicesSandesh::FillDhcpv6Hdr(Dhcpv6Hdr *dhcp, Dhcpv6Header &resp,
int32_t len) {
resp.type = Dhcpv6MsgType(dhcp->type);
PktToHexString(dhcp->xid, 3, resp.xid);
PktToHexString((uint8_t *)dhcp->options, len - 4, resp.options);
}
void ServicesSandesh::FillDnsHdr(dnshdr *dns, DnsHdr &resp, int32_t dnslen) {
if (dnslen < (int32_t)sizeof(dnshdr))
return;
resp.xid = ntohs(dns->xid);
if (dns->flags.rd)
resp.flags += "recursion desired; ";
if (dns->flags.trunc)
resp.flags += "truncated; ";
if (dns->flags.auth)
resp.flags += "authoritative answer; ";
resp.flags += (!dns->flags.op) ? "query; " :
((dns->flags.op == DNS_OPCODE_UPDATE)? "update; " :
"other op; ");
if (dns->flags.req) {
resp.flags += "response; ";
if (dns->flags.ret)
resp.flags += "failure response : " +
IntToString(dns->flags.ret) + "; ";
else
resp.flags += "success response; ";
} else {
resp.flags += "request; ";
}
if (dns->flags.cd)
resp.flags += "checking disabled; ";
if (dns->flags.ad)
resp.flags += "answer authenticated; ";
if (dns->flags.ra)
resp.flags += "recursion available; ";
resp.ques = ntohs(dns->ques_rrcount);
resp.ans = ntohs(dns->ans_rrcount);
resp.auth = ntohs(dns->auth_rrcount);
resp.add = ntohs(dns->add_rrcount);
dnslen -= sizeof(dnshdr);
ServicesSandesh::PktToHexString((uint8_t *)(dns + 1), dnslen, resp.rest);
}
void ServicesSandesh::ArpPktTrace(PktTrace::Pkt &pkt, ArpPktSandesh *resp) {
ArpPkt data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
FillArpHdr((ether_arp *)ptr, data.arp_hdr);
std::vector<ArpPkt> &list =
const_cast<std::vector<ArpPkt>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::DhcpPktTrace(PktTrace::Pkt &pkt, DhcpPktSandesh *resp) {
DhcpPkt data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
FillIpv4Hdr((struct ip *)ptr, data.ip_hdr);
ptr += (data.ip_hdr.hdrlen * 4);
FillUdpHdr((udphdr *)ptr, data.udp_hdr);
ptr += sizeof(udphdr);
PktHandler *pkt_handler = Agent::GetInstance()->pkt()->pkt_handler();
std::size_t trace_size = pkt_handler->PktTraceSize(PktHandler::DHCP);
int32_t remaining = std::min(pkt.len, trace_size) -
(sizeof(struct ether_header) +
data.ip_hdr.hdrlen * 4 + sizeof(udphdr));
FillDhcpv4Hdr((dhcphdr *)ptr, data.dhcp_hdr, remaining);
std::vector<DhcpPkt> &list =
const_cast<std::vector<DhcpPkt>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::Dhcpv6PktTrace(PktTrace::Pkt &pkt, Dhcpv6PktSandesh *resp) {
Dhcpv6Pkt data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
FillIpv6Hdr((ip6_hdr *)ptr, data.ip_hdr);
ptr += sizeof(ip6_hdr);
FillUdpHdr((udphdr *)ptr, data.udp_hdr);
ptr += sizeof(udphdr);
PktHandler *pkt_handler = Agent::GetInstance()->pkt()->pkt_handler();
std::size_t trace_size = pkt_handler->PktTraceSize(PktHandler::DHCPV6);
int32_t remaining = std::min(pkt.len, trace_size) -
(sizeof(struct ether_header) + sizeof(ip6_hdr) + sizeof(udphdr));
FillDhcpv6Hdr((Dhcpv6Hdr *)ptr, data.dhcp_hdr, remaining);
std::vector<Dhcpv6Pkt> &list =
const_cast<std::vector<Dhcpv6Pkt>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::DnsPktTrace(PktTrace::Pkt &pkt, DnsPktSandesh *resp) {
DnsPkt data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
FillIpv4Hdr((struct ip *)ptr, data.ip_hdr);
ptr += (data.ip_hdr.hdrlen * 4);
FillUdpHdr((udphdr *)ptr, data.udp_hdr);
ptr += sizeof(udphdr);
PktHandler *pkt_handler = Agent::GetInstance()->pkt()->pkt_handler();
std::size_t trace_size = pkt_handler->PktTraceSize(PktHandler::DNS);
int32_t remaining = std::min(pkt.len, trace_size) -
(sizeof(struct ether_header) +
data.ip_hdr.hdrlen * 4 + sizeof(udphdr));
FillDnsHdr((dnshdr *)ptr, data.dns_hdr, remaining);
std::vector<DnsPkt> &list =
const_cast<std::vector<DnsPkt>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::IcmpPktTrace(PktTrace::Pkt &pkt, IcmpPktSandesh *resp) {
IcmpPkt data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
FillIpv4Hdr((struct ip *)ptr, data.ip_hdr);
ptr += (data.ip_hdr.hdrlen * 4);
FillIcmpv4Hdr((struct icmp *)ptr, data.icmp_hdr);
std::vector<IcmpPkt> &list =
const_cast<std::vector<IcmpPkt>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::Icmpv6PktTrace(PktTrace::Pkt &pkt, Icmpv6PktSandesh *resp) {
Icmpv6Pkt data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
FillIpv6Hdr((ip6_hdr *)ptr, data.ip_hdr);
ptr += sizeof(ip6_hdr);
PktHandler *pkt_handler = Agent::GetInstance()->pkt()->pkt_handler();
std::size_t trace_size = pkt_handler->PktTraceSize(PktHandler::ICMPV6);
int32_t remaining = std::min(pkt.len, trace_size) -
(sizeof(struct ether_header) + sizeof(ip6_hdr));
FillIcmpv6Hdr((icmp6_hdr *)ptr, data.icmp_hdr, remaining);
std::vector<Icmpv6Pkt> &list =
const_cast<std::vector<Icmpv6Pkt>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::OtherPktTrace(PktTrace::Pkt &pkt, PktSandesh *resp) {
PktDump data;
FillPktData(pkt, data.info);
uint16_t hdr_len = FillVrouterHdr(pkt, data.agent_hdr);
uint8_t *ptr = pkt.pkt + hdr_len;
ptr += FillMacHdr((struct ether_header *)ptr, data.mac_hdr);
PktHandler *pkt_handler = Agent::GetInstance()->pkt()->pkt_handler();
std::size_t trace_size = pkt_handler->PktTraceSize(PktHandler::FLOW);
int32_t remaining = std::min(pkt.len, trace_size) - sizeof(struct ether_header);
PktToHexString(ptr, remaining, data.pkt);
std::vector<PktDump> &list =
const_cast<std::vector<PktDump>&>(resp->get_pkt_list());
list.push_back(data);
}
void ServicesSandesh::HandleRequest(PktHandler::PktModuleName mod,
std::string ctxt, bool more = false) {
SandeshResponse *resp = NULL;
boost::function<void(PktTrace::Pkt &)> cb;
boost::array<std::string, PktHandler::MAX_MODULES> names =
{ { "Invalid", "Flow", "Arp", "Dhcp", "Dhcpv6", "Dns",
"Icmp", "Icmpv6", "Diagnostics", "IcmpError" } };
switch (mod) {
case PktHandler::ARP:
resp = new ArpPktSandesh();
ArpStatsSandesh(ctxt, true);
static_cast<ArpPktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::ArpPktTrace, this, _1,
static_cast<ArpPktSandesh *>(resp));
break;
case PktHandler::DHCP:
resp = new DhcpPktSandesh();
DhcpStatsSandesh(ctxt, true);
static_cast<DhcpPktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::DhcpPktTrace, this, _1,
static_cast<DhcpPktSandesh *>(resp));
break;
case PktHandler::DHCPV6:
resp = new Dhcpv6PktSandesh();
Dhcpv6StatsSandesh(ctxt, true);
static_cast<Dhcpv6PktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::Dhcpv6PktTrace, this, _1,
static_cast<Dhcpv6PktSandesh *>(resp));
break;
case PktHandler::DNS:
resp = new DnsPktSandesh();
DnsStatsSandesh(ctxt, true);
static_cast<DnsPktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::DnsPktTrace, this, _1,
static_cast<DnsPktSandesh *>(resp));
break;
case PktHandler::ICMP:
resp = new IcmpPktSandesh();
IcmpStatsSandesh(ctxt, true);
static_cast<IcmpPktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::IcmpPktTrace, this, _1,
static_cast<IcmpPktSandesh *>(resp));
break;
case PktHandler::ICMPV6:
resp = new Icmpv6PktSandesh();
Icmpv6StatsSandesh(ctxt, true);
static_cast<Icmpv6PktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::Icmpv6PktTrace, this, _1,
static_cast<Icmpv6PktSandesh *>(resp));
break;
case PktHandler::FLOW:
case PktHandler::DIAG:
case PktHandler::INVALID:
resp = new PktSandesh();
static_cast<PktSandesh *>(resp)->set_type(names.at(mod));
cb = boost::bind(&ServicesSandesh::OtherPktTrace, this, _1,
static_cast<PktSandesh *>(resp));
break;
default:
break;
}
Agent::GetInstance()->pkt()->pkt_handler()->PktTraceIterate(mod, cb);
resp->set_context(ctxt);
resp->set_more(more);
resp->Response();
}
void ServicesSandesh::MetadataHandleRequest(std::string ctxt, bool more = false) {
MetadataResponse *resp = new MetadataResponse();
resp->set_metadata_server_port(
Agent::GetInstance()->metadata_server_port());
const MetadataProxy::MetadataStats &stats =
Agent::GetInstance()->services()->metadataproxy()->metadatastats();
resp->set_metadata_requests(stats.requests);
resp->set_metadata_responses(stats.responses);
resp->set_metadata_proxy_sessions(stats.proxy_sessions);
resp->set_metadata_internal_errors(stats.internal_errors);
resp->set_context(ctxt);
resp->set_more(more);
resp->Response();
}
///////////////////////////////////////////////////////////////////////////////
void DhcpInfo::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.HandleRequest(PktHandler::DHCP, context());
}
void Dhcpv6Info::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.HandleRequest(PktHandler::DHCPV6, context());
}
void ArpInfo::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.HandleRequest(PktHandler::ARP, context());
}
void DnsInfo::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.HandleRequest(PktHandler::DNS, context());
}
void IcmpInfo::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.HandleRequest(PktHandler::ICMP, context());
}
void Icmpv6Info::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.HandleRequest(PktHandler::ICMPV6, context());
}
void MetadataInfo::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.MetadataHandleRequest(context());
}
void ShowAllInfo::HandleRequest() const {
ServicesSandesh ssandesh;
ssandesh.PktStatsSandesh(context(), true);
ssandesh.HandleRequest(PktHandler::DHCP, context(), true);
ssandesh.HandleRequest(PktHandler::ARP, context(), true);
ssandesh.HandleRequest(PktHandler::DNS, context(), true);
ssandesh.HandleRequest(PktHandler::ICMP, context(), true);
ssandesh.HandleRequest(PktHandler::FLOW, context(), true);
ssandesh.HandleRequest(PktHandler::DIAG, context(), true);
ssandesh.HandleRequest(PktHandler::INVALID, context(), true);
ssandesh.MetadataHandleRequest(context(), false);
}
void ClearAllInfo::HandleRequest() const {
Agent *agent = Agent::GetInstance();
PktHandler *pkt_handler = agent->pkt()->pkt_handler();
pkt_handler->PktTraceClear(PktHandler::DHCP);
pkt_handler->PktTraceClear(PktHandler::DHCPV6);
pkt_handler->PktTraceClear(PktHandler::ARP);
pkt_handler->PktTraceClear(PktHandler::DNS);
pkt_handler->PktTraceClear(PktHandler::ICMP);
pkt_handler->PktTraceClear(PktHandler::ICMPV6);
pkt_handler->PktTraceClear(PktHandler::FLOW);
pkt_handler->PktTraceClear(PktHandler::DIAG);
pkt_handler->PktTraceClear(PktHandler::INVALID);
pkt_handler->ClearStats();
agent->GetDhcpProto()->ClearStats();
agent->dhcpv6_proto()->ClearStats();
agent->GetArpProto()->ClearStats();
agent->GetDnsProto()->ClearStats();
agent->GetIcmpProto()->ClearStats();
agent->icmpv6_proto()->ClearStats();
agent->services()->metadataproxy()->ClearStats();
PktErrorResp *resp = new PktErrorResp();
resp->set_context(context());
resp->Response();
}
void PktTraceInfo::HandleRequest() const {
uint32_t buffers = get_num_buffers();
uint32_t flow_buffers = get_flow_num_buffers();
PktTraceInfoResponse *resp = new PktTraceInfoResponse();
PktHandler *handler = Agent::GetInstance()->pkt()->pkt_handler();
if (buffers > PktTrace::kPktMaxNumBuffers ||
flow_buffers > PktTrace::kPktMaxNumBuffers) {
resp->set_resp("Invalid Input !!");
buffers = handler->PktTraceBuffers(PktHandler::INVALID);
flow_buffers = handler->PktTraceBuffers(PktHandler::FLOW);
} else {
handler->PktTraceBuffers(PktHandler::FLOW, flow_buffers);
for (uint32_t i = 0; i < PktHandler::MAX_MODULES; ++i) {
if (i == PktHandler::FLOW)
continue;
handler->PktTraceBuffers((PktHandler::PktModuleName)i, buffers);
}
}
resp->set_num_buffers(buffers);
resp->set_flow_num_buffers(flow_buffers);
resp->set_context(context());
resp->Response();
}
///////////////////////////////////////////////////////////////////////////////
void ShowDnsEntries::HandleRequest() const {
AgentDnsEntries *resp = new AgentDnsEntries();
std::vector<VmDnsSandesh> dns_list;
const DnsProto::DnsUpdateSet &dns_update_set =
Agent::GetInstance()->GetDnsProto()->update_set();
for (DnsProto::DnsUpdateSet::const_iterator it = dns_update_set.begin();
it != dns_update_set.end(); ++it) {
VmDnsSandesh vmdata;
vmdata.vm = (*it)->itf->name();
vmdata.is_floating = ((*it)->floatingIp ? "yes" : "no");
if ((*it)->xmpp_data) {
vmdata.virtual_dns = (*it)->xmpp_data->virtual_dns;
vmdata.zone = (*it)->xmpp_data->zone;
for (DnsItems::iterator item = (*it)->xmpp_data->items.begin();
item != (*it)->xmpp_data->items.end(); ++item) {
VmDnsRecord record;
record.name = (*item).name;
record.type = BindUtil::DnsType((*item).type);
record.data = (*item).data;
record.ttl = (*item).ttl;
record.eclass = BindUtil::DnsClass((*item).eclass);
vmdata.records.push_back(record);
}
}
dns_list.push_back(vmdata);
}
resp->set_dns_list(dns_list);
resp->set_context(context());