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#include "stdafx.h"
#include "ib_test.h"
#include "ib_buffers.h"
#include "udp_socket.h"
#include "udp_address.h"
#include <util/system/hp_timer.h>
namespace NNetliba {
struct TWelcomeSocketAddr {
int LID;
int QPN;
};
struct TRCQueuePairHandshake {
int QPN, PSN;
};
class TIPSocket {
TNetSocket s;
enum {
HDR_SIZE = UDP_LOW_LEVEL_HEADER_SIZE
};
public:
void Init(int port) {
if (!InitLocalIPList()) {
Y_ASSERT(0 && "Can not determine self IP address");
return;
}
s.Open(port);
}
bool IsValid() {
return s.IsValid();
}
void Respond(const TWelcomeSocketAddr& info) {
char buf[10000];
int sz = sizeof(buf);
sockaddr_in6 fromAddress;
bool rv = s.RecvFrom(buf, &sz, &fromAddress);
if (rv && strcmp(buf + HDR_SIZE, "Hello_IB") == 0) {
printf("send welcome info\n");
memcpy(buf + HDR_SIZE, &info, sizeof(info));
TNetSocket::ESendError err = s.SendTo(buf, sizeof(info) + HDR_SIZE, fromAddress, FF_ALLOW_FRAG);
if (err != TNetSocket::SEND_OK) {
printf("SendTo() fail %d\n", err);
}
}
}
void Request(const char* hostName, int port, TWelcomeSocketAddr* res) {
TUdpAddress addr = CreateAddress(hostName, port);
printf("addr = %s\n", GetAddressAsString(addr).c_str());
sockaddr_in6 sockAddr;
GetWinsockAddr(&sockAddr, addr);
for (;;) {
char buf[10000];
int sz = sizeof(buf);
sockaddr_in6 fromAddress;
bool rv = s.RecvFrom(buf, &sz, &fromAddress);
if (rv) {
if (sz == sizeof(TWelcomeSocketAddr) + HDR_SIZE) {
*res = *(TWelcomeSocketAddr*)(buf + HDR_SIZE);
break;
}
printf("Get unexpected %d bytes from somewhere?\n", sz);
}
strcpy(buf + HDR_SIZE, "Hello_IB");
TNetSocket::ESendError err = s.SendTo(buf, strlen(buf) + 1 + HDR_SIZE, sockAddr, FF_ALLOW_FRAG);
if (err != TNetSocket::SEND_OK) {
printf("SendTo() fail %d\n", err);
}
Sleep(TDuration::MilliSeconds(100));
}
}
};
// can hang if opposite side exits, but it's only basic test
static void WaitForRecv(TIBBufferPool* bp, TPtrArg<TComplectionQueue> cq, ibv_wc* wc) {
for (;;) {
if (cq->Poll(wc, 1) == 1) {
if (wc->opcode & IBV_WC_RECV) {
break;
}
bp->FreeBuf(wc->wr_id);
}
}
}
void RunIBTest(bool isClient, const char* serverName) {
TIntrusivePtr<TIBPort> port = GetIBDevice();
if (port.Get() == nullptr) {
printf("No IB device found\n");
return;
}
const int IP_PORT = 13666;
const int WELCOME_QKEY = 0x1113013;
const int MAX_SRQ_WORK_REQUESTS = 100;
const int MAX_CQ_EVENTS = 1000;
const int QP_SEND_QUEUE_SIZE = 3;
TIntrusivePtr<TComplectionQueue> cq = new TComplectionQueue(port->GetCtx(), MAX_CQ_EVENTS);
TIBBufferPool bp(port->GetCtx(), MAX_SRQ_WORK_REQUESTS);
if (!isClient) {
// server
TIPSocket ipSocket;
ipSocket.Init(IP_PORT);
if (!ipSocket.IsValid()) {
printf("UDP port %d is not available\n", IP_PORT);
return;
}
TIntrusivePtr<TComplectionQueue> cqRC = new TComplectionQueue(port->GetCtx(), MAX_CQ_EVENTS);
TIntrusivePtr<TUDQueuePair> welcomeQP = new TUDQueuePair(port, cq, bp.GetSRQ(), QP_SEND_QUEUE_SIZE);
welcomeQP->Init(WELCOME_QKEY);
TWelcomeSocketAddr info;
info.LID = port->GetLID();
info.QPN = welcomeQP->GetQPN();
TIntrusivePtr<TAddressHandle> ahPeer1;
for (;;) {
ipSocket.Respond(info);
// poll srq
ibv_wc wc;
if (cq->Poll(&wc, 1) == 1 && (wc.opcode & IBV_WC_RECV)) {
printf("Got IB handshake\n");
TRCQueuePairHandshake remoteHandshake;
ibv_ah_attr clientAddr;
{
TIBRecvPacketProcess pkt(bp, wc);
remoteHandshake = *(TRCQueuePairHandshake*)pkt.GetUDData();
port->GetAHAttr(&wc, pkt.GetGRH(), &clientAddr);
}
TIntrusivePtr<TAddressHandle> ahPeer2;
ahPeer2 = new TAddressHandle(port->GetCtx(), &clientAddr);
TIntrusivePtr<TRCQueuePair> rcTest = new TRCQueuePair(port->GetCtx(), cqRC, bp.GetSRQ(), QP_SEND_QUEUE_SIZE);
rcTest->Init(clientAddr, remoteHandshake.QPN, remoteHandshake.PSN);
TRCQueuePairHandshake handshake;
handshake.PSN = rcTest->GetPSN();
handshake.QPN = rcTest->GetQPN();
bp.PostSend(welcomeQP, ahPeer2, wc.src_qp, WELCOME_QKEY, &handshake, sizeof(handshake));
WaitForRecv(&bp, cqRC, &wc);
{
TIBRecvPacketProcess pkt(bp, wc);
printf("Got RC ping: %s\n", pkt.GetData());
const char* ret = "Puk";
bp.PostSend(rcTest, ret, strlen(ret) + 1);
}
for (int i = 0; i < 5; ++i) {
WaitForRecv(&bp, cqRC, &wc);
TIBRecvPacketProcess pkt(bp, wc);
printf("Got RC ping: %s\n", pkt.GetData());
const char* ret = "Fine";
bp.PostSend(rcTest, ret, strlen(ret) + 1);
}
}
}
} else {
// client
ibv_wc wc;
TIPSocket ipSocket;
ipSocket.Init(0);
if (!ipSocket.IsValid()) {
printf("Failed to create UDP socket\n");
return;
}
printf("Connecting to %s\n", serverName);
TWelcomeSocketAddr info;
ipSocket.Request(serverName, IP_PORT, &info);
printf("Got welcome info, lid %d, qpn %d\n", info.LID, info.QPN);
TIntrusivePtr<TUDQueuePair> welcomeQP = new TUDQueuePair(port, cq, bp.GetSRQ(), QP_SEND_QUEUE_SIZE);
welcomeQP->Init(WELCOME_QKEY);
TIntrusivePtr<TRCQueuePair> rcTest = new TRCQueuePair(port->GetCtx(), cq, bp.GetSRQ(), QP_SEND_QUEUE_SIZE);
TRCQueuePairHandshake handshake;
handshake.PSN = rcTest->GetPSN();
handshake.QPN = rcTest->GetQPN();
TIntrusivePtr<TAddressHandle> serverAH = new TAddressHandle(port, info.LID, 0);
bp.PostSend(welcomeQP, serverAH, info.QPN, WELCOME_QKEY, &handshake, sizeof(handshake));
WaitForRecv(&bp, cq, &wc);
ibv_ah_attr serverAddr;
TRCQueuePairHandshake remoteHandshake;
{
TIBRecvPacketProcess pkt(bp, wc);
printf("Got handshake response\n");
remoteHandshake = *(TRCQueuePairHandshake*)pkt.GetUDData();
port->GetAHAttr(&wc, pkt.GetGRH(), &serverAddr);
}
rcTest->Init(serverAddr, remoteHandshake.QPN, remoteHandshake.PSN);
char hiAndy[] = "Hi, Andy";
bp.PostSend(rcTest, hiAndy, sizeof(hiAndy));
WaitForRecv(&bp, cq, &wc);
{
TIBRecvPacketProcess pkt(bp, wc);
printf("Got RC pong: %s\n", pkt.GetData());
}
for (int i = 0; i < 5; ++i) {
char howAreYou[] = "How are you?";
bp.PostSend(rcTest, howAreYou, sizeof(howAreYou));
WaitForRecv(&bp, cq, &wc);
{
TIBRecvPacketProcess pkt(bp, wc);
printf("Got RC pong: %s\n", pkt.GetData());
}
}
}
}
}
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