Test ZCTR

test-zctr
Vitaliy Filippov 2021-12-31 00:10:51 +03:00
parent ec2852c598
commit 83939f5a22
2 changed files with 128 additions and 45 deletions

View File

@ -42,6 +42,7 @@ struct op_buf_t
struct sec_data
{
int connect_fd;
int data_fd;
/* block_size = 1 << block_order (128KB by default) */
uint64_t block_order = 17, block_size = 1 << 17;
std::unordered_map<uint64_t, op_buf_t*> queue;
@ -157,6 +158,7 @@ static void sec_cleanup(struct thread_data *td)
sec_data *bsd = (sec_data*)td->io_ops_data;
if (bsd)
{
close(bsd->data_fd);
close(bsd->connect_fd);
delete bsd;
}
@ -170,20 +172,20 @@ static int sec_init(struct thread_data *td)
bsd->block_order = o->block_order == 0 ? 17 : o->block_order;
bsd->block_size = 1 << o->block_order;
sockaddr addr;
if (!string_to_addr(std::string(o->host ? o->host : "127.0.0.1"), false, o->port > 0 ? o->port : 11203, &addr))
struct sockaddr_storage addr = { 0 };
if (!string_to_addr(o->host ? o->host : "127.0.0.1", false, o->port > 0 ? o->port : 11203, (struct sockaddr*)&addr))
{
fprintf(stderr, "server address: %s is not valid\n", o->host ? o->host : "127.0.0.1");
return 1;
}
bsd->connect_fd = socket(addr.sa_family, SOCK_STREAM, 0);
bsd->connect_fd = socket(addr.ss_family, SOCK_STREAM, 0);
if (bsd->connect_fd < 0)
{
perror("socket");
return 1;
}
if (connect(bsd->connect_fd, (sockaddr*)&addr, sizeof(addr)) < 0)
if (connect(bsd->connect_fd, (sockaddr*)&addr, addr.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)) < 0)
{
perror("connect");
return 1;
@ -199,6 +201,39 @@ static int sec_init(struct thread_data *td)
}
}
if (!string_to_addr(o->host ? o->host : "127.0.0.1", false, 1 + (o->port > 0 ? o->port : 11203), (sockaddr*)&addr))
{
fprintf(stderr, "server address: %s is not valid\n", o->host ? o->host : "127.0.0.1");
return 1;
}
bsd->data_fd = socket(addr.ss_family, SOCK_STREAM, 0);
if (bsd->data_fd < 0)
{
perror("socket");
return 1;
}
/* int mss = 4096;
if (setsockopt(bsd->data_fd, IPPROTO_TCP, TCP_MAXSEG, &mss, sizeof(mss)) < 0)
{
perror("setsockopt TCP_MAXSEG");
return 1;
}*/
if (connect(bsd->data_fd, (sockaddr*)&addr, addr.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)) < 0)
{
perror("connect");
return 1;
}
setsockopt(bsd->data_fd, SOL_TCP, TCP_NODELAY, &one, sizeof(one));
if (o->zerocopy_send)
{
if (setsockopt(bsd->data_fd, SOL_SOCKET, SO_ZEROCOPY, &one, sizeof(one)) < 0)
{
perror("setsockopt zerocopy");
return 1;
}
}
// FIXME: read config (block size) from OSD
return 0;
@ -298,16 +333,18 @@ static enum fio_q_status sec_queue(struct thread_data *td, struct io_u *io)
bsd->op_n++;
bsd->queue[n] = op_buf;
iovec iov[2] = { { .iov_base = op.buf, .iov_len = OSD_PACKET_SIZE } };
int iovcnt = 1, wtotal = OSD_PACKET_SIZE;
if (io->ddir == DDIR_WRITE)
{
iov[iovcnt++] = { .iov_base = io->xfer_buf, .iov_len = io->xfer_buflen };
wtotal += io->xfer_buflen;
// It may make you laugh but ZCTR is only stable if we write data before header :-) O_o
if (write_blocking(bsd->data_fd, io->xfer_buf, io->xfer_buflen) != io->xfer_buflen)
{
perror("write");
exit(1);
}
}
if (sendv_blocking(bsd->connect_fd, iov, iovcnt, opt->zerocopy_send ? MSG_ZEROCOPY : 0) != wtotal)
if (write_blocking(bsd->connect_fd, op.buf, OSD_PACKET_SIZE) != OSD_PACKET_SIZE)
{
perror("sendmsg");
perror("write");
exit(1);
}
@ -346,23 +383,21 @@ static int sec_getevents(struct thread_data *td, unsigned int min, unsigned int
fprintf(stderr, "Short read: retval = %ld instead of %llu\n", reply.hdr.retval, io->xfer_buflen);
exit(1);
}
// Support bitmap
uint64_t bitmap = 0;
int iovcnt = 0;
iovec iov[2];
if (reply.sec_rw.attr_len > 0)
{
if (reply.sec_rw.attr_len <= 8)
iov[iovcnt++] = { .iov_base = &bitmap, .iov_len = reply.sec_rw.attr_len };
{
uint64_t bitmap = 0;
read_blocking(bsd->connect_fd, &bitmap, reply.sec_rw.attr_len);
}
else
iov[iovcnt++] = { .iov_base = (void*)(bitmap = (uint64_t)malloc(reply.sec_rw.attr_len)), .iov_len = reply.sec_rw.attr_len };
}
iov[iovcnt++] = { .iov_base = io->xfer_buf, .iov_len = io->xfer_buflen };
readv_blocking(bsd->connect_fd, iov, iovcnt);
if (reply.sec_rw.attr_len > 8)
{
free((void*)bitmap);
{
void *bitmap = malloc(reply.sec_rw.attr_len);
read_blocking(bsd->connect_fd, bitmap, reply.sec_rw.attr_len);
free(bitmap);
}
}
read_blocking(bsd->data_fd, io->xfer_buf, io->xfer_buflen);
}
else if (io->ddir == DDIR_WRITE)
{

View File

@ -24,7 +24,9 @@
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <poll.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
@ -43,19 +45,32 @@
int bind_stub(std::string bind_address, int bind_port);
void run_stub(int peer_fd);
void run_stub(int peer_fd, int peer_data_fd);
int main(int narg, char *args[])
{
int listen_fd = bind_stub("0.0.0.0", 11203);
int listen_data_fd = bind_stub("0.0.0.0", 11204);
/* int mss = 8192;
if (setsockopt(listen_data_fd, IPPROTO_TCP, TCP_MAXSEG, &mss, sizeof(mss)) < 0)
{
throw std::runtime_error(std::string("setsockopt TCP_MAXSEG: ") + strerror(errno));
}
int rcvlowat = 4096;
if (setsockopt(listen_data_fd, SOL_SOCKET, SO_RCVLOWAT, &rcvlowat, sizeof(rcvlowat)) < 0)
{
throw std::runtime_error(std::string("setsockopt SO_RCVLOWAT: ") + strerror(errno));
}*/
// Accept new connections
sockaddr addr;
socklen_t peer_addr_size = sizeof(addr);
int peer_fd;
socklen_t peer_addr_size;
int peer_fd, peer_data_fd;
const int one = 1;
while (1)
{
printf("stub_osd: waiting for 1 client\n");
peer_fd = accept(listen_fd, &addr, &peer_addr_size);
peer_addr_size = sizeof(addr);
peer_fd = accept(listen_fd, (sockaddr*)&addr, &peer_addr_size);
if (peer_fd == -1)
{
if (errno == EAGAIN)
@ -63,15 +78,27 @@ int main(int narg, char *args[])
else
throw std::runtime_error(std::string("accept: ") + strerror(errno));
}
printf("stub_osd: new client %d: connection from %s\n", peer_fd,
addr_to_string(addr).c_str());
int one = 1;
setsockopt(peer_fd, SOL_TCP, TCP_NODELAY, &one, sizeof(one));
run_stub(peer_fd);
close(peer_fd);
printf("stub_osd: client %d disconnected\n", peer_fd);
// Try to accept next connection
printf("stub_osd: new client %d: connection from %s\n", peer_fd,
addr_to_string(*((sockaddr*)&addr)).c_str());
printf("stub_osd: waiting for 1 data connection\n");
peer_addr_size = sizeof(addr);
peer_data_fd = accept(listen_data_fd, (sockaddr*)&addr, &peer_addr_size);
if (peer_data_fd == -1)
{
if (errno == EAGAIN)
continue;
else
throw std::runtime_error(std::string("accept: ") + strerror(errno));
}
setsockopt(peer_data_fd, SOL_TCP, TCP_NODELAY, &one, sizeof(one));
printf("stub_osd: new client %d: data connection from %s\n", peer_data_fd,
addr_to_string(*((sockaddr*)&addr)).c_str());
run_stub(peer_fd, peer_data_fd);
close(peer_data_fd);
close(peer_fd);
printf("stub_osd: client %d / data %d disconnected\n", peer_fd, peer_data_fd);
// Try to accept next connection
}
return 0;
}
@ -80,13 +107,13 @@ int bind_stub(std::string bind_address, int bind_port)
{
int listen_backlog = 128;
sockaddr addr;
if (!string_to_addr(bind_address, 0, bind_port, &addr))
sockaddr_storage addr = { 0 };
if (!string_to_addr(bind_address, 0, bind_port, (sockaddr*)&addr))
{
throw std::runtime_error("bind address "+bind_address+" is not valid");
}
int listen_fd = socket(addr.sa_family, SOCK_STREAM, 0);
int listen_fd = socket(addr.ss_family, SOCK_STREAM, 0);
if (listen_fd < 0)
{
throw std::runtime_error(std::string("socket: ") + strerror(errno));
@ -94,7 +121,7 @@ int bind_stub(std::string bind_address, int bind_port)
int enable = 1;
setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
if (bind(listen_fd, &addr, sizeof(addr)) < 0)
if (bind(listen_fd, (sockaddr*)&addr, addr.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)) < 0)
{
close(listen_fd);
throw std::runtime_error(std::string("bind: ") + strerror(errno));
@ -109,11 +136,16 @@ int bind_stub(std::string bind_address, int bind_port)
return listen_fd;
}
void run_stub(int peer_fd)
void run_stub(int peer_fd, int peer_data_fd)
{
osd_any_op_t op;
osd_any_reply_t reply = { 0 };
void *buf = NULL;
unsigned bufsize = 4*1024*1024;
void *buf = mmap(NULL, bufsize, PROT_READ, MAP_SHARED, peer_data_fd, 0);
if (buf == MAP_FAILED)
{
throw std::runtime_error(std::string("mmap: ") + strerror(errno));
}
while (1)
{
int r = read_blocking(peer_fd, op.buf, OSD_PACKET_SIZE);
@ -132,19 +164,36 @@ void run_stub(int peer_fd)
if (op.hdr.opcode == OSD_OP_SEC_READ)
{
reply.hdr.retval = op.sec_rw.len;
buf = malloc(op.sec_rw.len);
void *buf = malloc(op.sec_rw.len);
r = write_blocking(peer_fd, reply.buf, OSD_PACKET_SIZE);
if (r == OSD_PACKET_SIZE)
r = write_blocking(peer_fd, buf, op.sec_rw.len);
r = write_blocking(peer_data_fd, buf, op.sec_rw.len);
free(buf);
if (r < op.sec_rw.len)
break;
}
else if (op.hdr.opcode == OSD_OP_SEC_WRITE || op.hdr.opcode == OSD_OP_SEC_WRITE_STABLE)
{
buf = malloc(op.sec_rw.len);
r = read_blocking(peer_fd, buf, op.sec_rw.len);
free(buf);
struct pollfd pfd = { .fd = peer_data_fd, .events = POLLIN };
poll(&pfd, 1, 10000);
struct tcp_zerocopy_receive zc = { .address = (uint64_t)buf, .length = op.sec_rw.len };
socklen_t zc_len = sizeof(zc);
r = getsockopt(peer_data_fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, &zc, &zc_len);
r = r == -1 ? 0 : zc.length;
if (r > 0)
{
uint64_t hash = 0;
for (int k = 0; k < r/8; k++)
hash ^= ((uint64_t*)buf)[k];
printf("ZCTR: op=%lx r=%d len=%d skip=%d hash=%lx\n", op.hdr.id, r, zc.length, zc.recv_skip_hint, hash);
}
if (r < op.sec_rw.len)
{
int rest = op.sec_rw.len - r;
void *buf = malloc(rest);
r += read_blocking(peer_data_fd, buf, rest);
free(buf);
}
reply.hdr.retval = op.sec_rw.len;
if (r == op.sec_rw.len)
r = write_blocking(peer_fd, reply.buf, OSD_PACKET_SIZE);
@ -166,5 +215,4 @@ void run_stub(int peer_fd)
break;
}
}
free(buf);
}