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Finish reply code, make it compile

blocking-uring-test
Vitaliy Filippov 2019-12-14 20:51:41 +03:00
parent 02a0eb49c2
commit d3c6314d01
5 changed files with 222 additions and 100 deletions
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15
Makefile
View File

@ -1,17 +1,18 @@
BLOCKSTORE_OBJS := allocator.o blockstore.o blockstore_init.o blockstore_open.o blockstore_journal.o blockstore_read.o \ BLOCKSTORE_OBJS := allocator.o blockstore.o blockstore_init.o blockstore_open.o blockstore_journal.o blockstore_read.o \
blockstore_write.o blockstore_sync.o blockstore_stable.o blockstore_flush.o crc32c.o ringloop.o timerfd_interval.o blockstore_write.o blockstore_sync.o blockstore_stable.o blockstore_flush.o crc32c.o ringloop.o timerfd_interval.o osd.o
CXXFLAGS := -g -O3 -Wall -Wno-sign-compare -Wno-comment -Wno-parentheses -Wno-pointer-arith -fPIC -fdiagnostics-color=always
all: $(BLOCKSTORE_OBJS) test test_blockstore libfio_blockstore.so all: $(BLOCKSTORE_OBJS) test test_blockstore libfio_blockstore.so
clean: clean:
rm -f *.o rm -f *.o
crc32c.o: crc32c.c crc32c.o: crc32c.c
g++ -g -O3 -fPIC -c -o $@ $< g++ $(CXXFLAGS) -c -o $@ $<
%.o: %.cpp allocator.h blockstore_flush.h blockstore.h blockstore_init.h blockstore_journal.h crc32c.h ringloop.h xor.h timerfd_interval.h %.o: %.cpp allocator.h blockstore_flush.h blockstore.h blockstore_init.h blockstore_journal.h crc32c.h ringloop.h xor.h timerfd_interval.h
g++ -g -O3 -Wall -Wno-sign-compare -Wno-parentheses -Wno-pointer-arith -fPIC -c -o $@ $< g++ $(CXXFLAGS) -c -o $@ $<
test: test.cpp test: test.cpp
g++ -g -O3 -o test -luring test.cpp g++ $(CXXFLAGS) -o test -luring test.cpp
test_blockstore: $(BLOCKSTORE_OBJS) test_blockstore.cpp test_blockstore: $(BLOCKSTORE_OBJS) test_blockstore.cpp
g++ -g -o test_blockstore -ltcmalloc_minimal -luring test_blockstore.cpp $(BLOCKSTORE_OBJS) g++ $(CXXFLAGS) -o test_blockstore -ltcmalloc_minimal -luring test_blockstore.cpp $(BLOCKSTORE_OBJS)
test_allocator: test_allocator.cpp allocator.o test_allocator: test_allocator.cpp allocator.o
g++ -g -o test_allocator test_allocator.cpp allocator.o g++ $(CXXFLAGS) -o test_allocator test_allocator.cpp allocator.o
libfio_blockstore.so: fio_engine.cpp $(BLOCKSTORE_OBJS) libfio_blockstore.so: fio_engine.cpp $(BLOCKSTORE_OBJS)
g++ -g -O3 -ltcmalloc_minimal -Wno-pointer-arith -fPIC -shared -luring -o libfio_blockstore.so fio_engine.cpp $(BLOCKSTORE_OBJS) g++ $(CXXFLAGS) -ltcmalloc_minimal -shared -luring -o libfio_blockstore.so fio_engine.cpp $(BLOCKSTORE_OBJS)

6
fio_engine.cpp
View File

@ -91,8 +91,8 @@ static struct fio_option options[] = {
static int bs_setup(struct thread_data *td) static int bs_setup(struct thread_data *td)
{ {
bs_data *bsd; bs_data *bsd;
fio_file *f; //fio_file *f;
int r; //int r;
//int64_t size; //int64_t size;
bsd = new bs_data; bsd = new bs_data;
@ -109,8 +109,8 @@ static int bs_setup(struct thread_data *td)
td->o.nr_files = td->o.nr_files ? : 1; td->o.nr_files = td->o.nr_files ? : 1;
td->o.open_files++; td->o.open_files++;
} }
f = td->files[0];
//f = td->files[0];
//f->real_file_size = size; //f->real_file_size = size;
return 0; return 0;
} }

292
osd.cpp
View File

@ -1,13 +1,20 @@
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/epoll.h> #include <sys/epoll.h>
#include <sys/poll.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <arpa/inet.h> #include <arpa/inet.h>
#include <unordered_map>
#include "osd_ops.h" #include "osd_ops.h"
#include "ringloop.h" #include "ringloop.h"
#define CL_READ_OP 1 #define CL_READ_OP 1
#define CL_READ_DATA 2 #define CL_READ_DATA 2
#define SQE_SENT 0x100l
#define CL_WRITE_READY 1
#define CL_WRITE_REPLY 2
#define CL_WRITE_DATA 3
struct osd_op_t struct osd_op_t
{ {
@ -24,6 +31,12 @@ struct osd_op_t
}; };
blockstore_operation bs_op; blockstore_operation bs_op;
void *buf = NULL; void *buf = NULL;
~osd_op_t()
{
if (buf)
free(buf);
}
}; };
struct osd_client_t struct osd_client_t
@ -48,7 +61,6 @@ struct osd_client_t
// Write state // Write state
osd_op_t *write_op = NULL; osd_op_t *write_op = NULL;
int write_state = 0;
iovec write_iov; iovec write_iov;
msghdr write_msg; msghdr write_msg;
void *write_buf = NULL; void *write_buf = NULL;
@ -76,14 +88,21 @@ class osd_t
int bind_port, listen_backlog; int bind_port, listen_backlog;
std::unordered_map<int,osd_client_t> clients; std::unordered_map<int,osd_client_t> clients;
std::deque<int> read_ready_clients; std::vector<int> read_ready_clients;
std::list<int> write_ready_clients; std::vector<int> write_ready_clients;
void handle_epoll_events(); void loop();
int handle_epoll_events();
void stop_client(int peer_fd);
void read_requests();
void handle_read(ring_data_t *data, int peer_fd);
void enqueue_op(osd_op_t *cur_op);
void send_replies();
void make_reply(osd_op_t *op);
void handle_send(ring_data_t *data, int peer_fd);
public: public:
osd_t(blockstore *bs, ring_loop_t *ringloop); osd_t(blockstore *bs, ring_loop_t *ringloop);
~osd_t(); ~osd_t();
void loop();
}; };
osd_t::osd_t(blockstore *bs, ring_loop_t *ringloop) osd_t::osd_t(blockstore *bs, ring_loop_t *ringloop)
@ -100,7 +119,8 @@ osd_t::osd_t(blockstore *bs, ring_loop_t *ringloop)
setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable)); setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
sockaddr_in addr; sockaddr_in addr;
if ((int r = inet_pton(AF_INET, bind_address.c_str(), &addr.sin_addr)) != 1) int r;
if ((r = inet_pton(AF_INET, bind_address.c_str(), &addr.sin_addr)) != 1)
{ {
close(listen_fd); close(listen_fd);
throw std::runtime_error("bind address "+bind_address+(r == 0 ? " is not valid" : ": no ipv4 support")); throw std::runtime_error("bind address "+bind_address+(r == 0 ? " is not valid" : ": no ipv4 support"));
@ -108,7 +128,7 @@ osd_t::osd_t(blockstore *bs, ring_loop_t *ringloop)
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_port = htons(bind_port); addr.sin_port = htons(bind_port);
if (bind(listen_fd, &addr, sizeof(addr)) < 0) if (bind(listen_fd, (sockaddr*)&addr, sizeof(addr)) < 0)
{ {
close(listen_fd); close(listen_fd);
throw std::runtime_error(std::string("bind: ") + strerror(errno)); throw std::runtime_error(std::string("bind: ") + strerror(errno));
@ -150,28 +170,29 @@ osd_t::~osd_t()
void osd_t::loop() void osd_t::loop()
{ {
if (wait_state == 1) if (wait_state == 0)
{ {
return; io_uring_sqe *sqe = ringloop->get_sqe();
} if (!sqe)
io_uring_sqe *sqe = ringloop->get_sqe();
if (!sqe)
{
wait_state = 0;
return;
}
ring_data_t *data = ((ring_data_t*)sqe->user_data);
my_uring_prep_poll_add(sqe, epoll_fd, POLLIN);
data->callback = [&](ring_data_t *data)
{
if (data->res < 0)
{ {
throw std::runtime_error(std::string("epoll failed: ") + strerror(-data->res)); wait_state = 0;
return;
} }
handle_epoll_events(); ring_data_t *data = ((ring_data_t*)sqe->user_data);
wait_state = 0; my_uring_prep_poll_add(sqe, epoll_fd, POLLIN);
}; data->callback = [&](ring_data_t *data)
wait_state = 1; {
if (data->res < 0)
{
throw std::runtime_error(std::string("epoll failed: ") + strerror(-data->res));
}
handle_epoll_events();
wait_state = 0;
};
wait_state = 1;
}
send_replies();
read_requests();
ringloop->submit(); ringloop->submit();
} }
@ -194,7 +215,7 @@ int osd_t::handle_epoll_events()
sockaddr_in addr; sockaddr_in addr;
socklen_t peer_addr_size = sizeof(addr); socklen_t peer_addr_size = sizeof(addr);
int peer_fd; int peer_fd;
while ((peer_fd = accept(listen_fd, &addr, &peer_addr_size)) >= 0) while ((peer_fd = accept(listen_fd, (sockaddr*)&addr, &peer_addr_size)) >= 0)
{ {
fcntl(peer_fd, F_SETFL, fcntl(listen_fd, F_GETFL, 0) | O_NONBLOCK); fcntl(peer_fd, F_SETFL, fcntl(listen_fd, F_GETFL, 0) | O_NONBLOCK);
clients[peer_fd] = { clients[peer_fd] = {
@ -250,7 +271,7 @@ void osd_t::stop_client(int peer_fd)
throw std::runtime_error(std::string("epoll_ctl: ") + strerror(errno)); throw std::runtime_error(std::string("epoll_ctl: ") + strerror(errno));
} }
auto it = clients.find(peer_fd); auto it = clients.find(peer_fd);
if (it->read_ready) if (it->second.read_ready)
{ {
for (auto rit = read_ready_clients.begin(); rit != read_ready_clients.end(); rit++) for (auto rit = read_ready_clients.begin(); rit != read_ready_clients.end(); rit++)
{ {
@ -265,7 +286,7 @@ void osd_t::stop_client(int peer_fd)
close(peer_fd); close(peer_fd);
} }
void osd_t::read_commands() void osd_t::read_requests()
{ {
for (int i = 0; i < read_ready_clients.size(); i++) for (int i = 0; i < read_ready_clients.size(); i++)
{ {
@ -274,8 +295,7 @@ void osd_t::read_commands()
io_uring_sqe* sqe = ringloop->get_sqe(); io_uring_sqe* sqe = ringloop->get_sqe();
if (!sqe) if (!sqe)
{ {
read_ready_clients.erase(read_ready_clients.begin(), read_ready_clients().begin() + i); read_ready_clients.erase(read_ready_clients.begin(), read_ready_clients.begin() + i);
ringloop->submit();
return; return;
} }
ring_data_t* data = ((ring_data_t*)sqe->user_data); ring_data_t* data = ((ring_data_t*)sqe->user_data);
@ -297,14 +317,14 @@ void osd_t::read_commands()
cl.read_ready = false; cl.read_ready = false;
} }
read_ready_clients.clear(); read_ready_clients.clear();
ringloop->submit();
} }
void osd_t::handle_read(ring_data_t *data, int peer_fd) void osd_t::handle_read(ring_data_t *data, int peer_fd)
{ {
auto cl = clients.find(peer_fd); auto cl_it = clients.find(peer_fd);
if (cl != clients.end()) if (cl_it != clients.end())
{ {
auto & cl = cl_it->second;
if (data->res < 0 && data->res != -EAGAIN) if (data->res < 0 && data->res != -EAGAIN)
{ {
// this is a client socket, so don't panic. just disconnect it // this is a client socket, so don't panic. just disconnect it
@ -312,21 +332,21 @@ void osd_t::handle_read(ring_data_t *data, int peer_fd)
stop_client(peer_fd); stop_client(peer_fd);
return; return;
} }
cl->reading = false; cl.reading = false;
if (cl->read_ready) if (cl.read_ready)
{ {
read_ready_clients.push_back(peer_fd); read_ready_clients.push_back(peer_fd);
} }
if (data->res > 0) if (data->res > 0)
{ {
cl->read_remaining -= data->res; cl.read_remaining -= data->res;
cl->read_buf += data->res; cl.read_buf += data->res;
if (cl->read_remaining <= 0) if (cl.read_remaining <= 0)
{ {
cl->read_buf = NULL; osd_op_t *cur_op = cl.read_op;
if (cl->read_state == CL_READ_OP) cl.read_buf = NULL;
if (cl.read_state == CL_READ_OP)
{ {
osd_op_t *cur_op = cl->read_op;
if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ || if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE || cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE ||
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE) cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE)
@ -338,26 +358,26 @@ void osd_t::handle_read(ring_data_t *data, int peer_fd)
cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE) cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE)
{ {
// Read data // Read data
cl->read_buf = cur_op->buf; cl.read_buf = cur_op->buf;
cl->read_remaining = cur_op->op.sec_rw.len; cl.read_remaining = cur_op->op.sec_rw.len;
cl->read_state = CL_READ_DATA; cl.read_state = CL_READ_DATA;
} }
else else
{ {
// Command is ready // Command is ready
cur_op->peer_fd = peer_fd; cur_op->peer_fd = peer_fd;
enqueue_op(cur_op); enqueue_op(cur_op);
cl->read_op = NULL; cl.read_op = NULL;
cl->read_state = 0; cl.read_state = 0;
} }
} }
else if (cl->read_state == CL_READ_DATA) else if (cl.read_state == CL_READ_DATA)
{ {
// Command is ready // Command is ready
cur_op->peer_fd = peer_fd; cur_op->peer_fd = peer_fd;
enqueue_op(cur_op); enqueue_op(cur_op);
cl->read_op = NULL; cl.read_op = NULL;
cl->read_state = 0; cl.read_state = 0;
} }
} }
} }
@ -366,59 +386,159 @@ void osd_t::handle_read(ring_data_t *data, int peer_fd)
void osd_t::enqueue_op(osd_op_t *cur_op) void osd_t::enqueue_op(osd_op_t *cur_op)
{ {
cur_op->bs_op->callback = [this, cur_op](blockstore_operation* bs_op) cur_op->bs_op.callback = [this, cur_op](blockstore_operation* bs_op)
{ {
auto cl = clients.find(cur_op->peer_fd); auto cl_it = clients.find(cur_op->peer_fd);
if (cl != clients.end()) if (cl_it != clients.end())
{ {
cur_op->reply.hdr.magic = SECONDARY_OSD_REPLY_MAGIC; auto & cl = cl_it->second;
cur_op->reply.hdr.id = cur_op->op.hdr.id; if (cl.write_state == 0)
cur_op->reply.hdr.retval = bs_op->retval; {
cl->completions.push(cur_op); cl.write_state = CL_WRITE_READY;
write_ready_clients.push_back(cur_op->peer_fd);
}
cl.completions.push_back(cur_op);
ringloop->wakeup(); ringloop->wakeup();
} }
else else
{ {
if (cur_op->buf)
free(cur_op->buf);
delete cur_op; delete cur_op;
} }
}; };
if (cur_op->op->hdr.magic != SECONDARY_OSD_OP_MAGIC || if (cur_op->op.hdr.magic != SECONDARY_OSD_OP_MAGIC ||
cur_op->op->hdr.opcode < OSD_OP_MIN || cur_op->op->hdr.opcode > OSD_OP_MAX || cur_op->op.hdr.opcode < OSD_OP_MIN || cur_op->op.hdr.opcode > OSD_OP_MAX ||
(cur_op->op->hdr.opcode == OSD_OP_SECONDARY_READ || cur_op->op->hdr.opcode == OSD_OP_SECONDARY_WRITE) && (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ || cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE) &&
(cur_op->op->sec_rw.len > OSD_RW_MAX || cur_op->op->sec_rw.len % OSD_RW_ALIGN || cur_op->op->sec_rw.offset % OSD_RW_ALIGN)) (cur_op->op.sec_rw.len > OSD_RW_MAX || cur_op->op.sec_rw.len % OSD_RW_ALIGN || cur_op->op.sec_rw.offset % OSD_RW_ALIGN))
{ {
// Bad command // Bad command
cur_op->bs_op->retval = -EINVAL; cur_op->bs_op.retval = -EINVAL;
cur_op->bs_op->callback(); cur_op->bs_op.callback(&cur_op->bs_op);
return; return;
} }
// FIXME: list op is not a blockstore op yet // FIXME: LIST is not a blockstore op yet
cur_op->bs_op->flags = (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_READ ? OP_READ cur_op->bs_op.flags = (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ ? OP_READ
: (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_WRITE ? OP_WRITE : (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE ? OP_WRITE
: (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_SYNC ? OP_SYNC : (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_SYNC ? OP_SYNC
: (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_STABILIZE ? OP_STABLE : (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE ? OP_STABLE
: (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_DELETE ? OP_DELETE : (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_DELETE ? OP_DELETE
: -1)))))); : -1)))));
if (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_READ || if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ ||
cur_op->op->hdr.opcode == OSD_OP_SECONDARY_WRITE) cur_op->op.hdr.opcode == OSD_OP_SECONDARY_WRITE)
{ {
cur_op->bs_op->oid = cur_op->op->sec_rw.oid; cur_op->bs_op.oid = cur_op->op.sec_rw.oid;
cur_op->bs_op->version = cur_op->op->sec_rw.version; cur_op->bs_op.version = cur_op->op.sec_rw.version;
cur_op->bs_op->offset = cur_op->op->sec_rw.offset; cur_op->bs_op.offset = cur_op->op.sec_rw.offset;
cur_op->bs_op->len = cur_op->op->sec_rw.len; cur_op->bs_op.len = cur_op->op.sec_rw.len;
cur_op->bs_op->buf = cur_op->buf; cur_op->bs_op.buf = cur_op->buf;
} }
else if (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_DELETE) else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_DELETE)
{ {
cur_op->bs_op->oid = cur_op->op->sec_del.oid; cur_op->bs_op.oid = cur_op->op.sec_del.oid;
cur_op->bs_op->version = cur_op->op->sec_del.version; cur_op->bs_op.version = cur_op->op.sec_del.version;
} }
else if (cur_op->op->hdr.opcode == OSD_OP_SECONDARY_STABILIZE) else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_STABILIZE)
{ {
cur_op->bs_op->len = cur_op->op->len/sizeof(obj_ver_id); cur_op->bs_op.len = cur_op->op.sec_stabilize.len/sizeof(obj_ver_id);
cur_op->bs_op->buf = cur_op->buf; cur_op->bs_op.buf = cur_op->buf;
}
bs->enqueue_op(&cur_op->bs_op);
}
void osd_t::send_replies()
{
for (int i = 0; i < write_ready_clients.size(); i++)
{
int peer_fd = write_ready_clients[i];
auto & cl = clients[peer_fd];
io_uring_sqe* sqe = ringloop->get_sqe();
if (!sqe)
{
write_ready_clients.erase(write_ready_clients.begin(), write_ready_clients.begin() + i);
return;
}
ring_data_t* data = ((ring_data_t*)sqe->user_data);
if (!cl.write_buf)
{
// pick next command
cl.write_op = cl.completions.front();
cl.completions.pop_front();
make_reply(cl.write_op);
cl.write_buf = &cl.write_op->reply_buf;
cl.write_remaining = OSD_REPLY_PACKET_SIZE;
cl.write_state = CL_WRITE_REPLY;
}
cl.write_iov.iov_base = cl.write_buf;
cl.write_iov.iov_len = cl.write_remaining;
cl.write_msg.msg_iov = &cl.write_iov;
cl.write_msg.msg_iovlen = 1;
data->callback = [this, peer_fd](ring_data_t *data) { handle_send(data, peer_fd); };
my_uring_prep_sendmsg(sqe, peer_fd, &cl.write_msg, 0);
cl.write_state = cl.write_state | SQE_SENT;
}
write_ready_clients.clear();
}
void osd_t::make_reply(osd_op_t *op)
{
op->reply.hdr.magic = SECONDARY_OSD_REPLY_MAGIC;
op->reply.hdr.id = op->op.hdr.id;
op->reply.hdr.retval = op->bs_op.retval;
}
void osd_t::handle_send(ring_data_t *data, int peer_fd)
{
auto cl_it = clients.find(peer_fd);
if (cl_it != clients.end())
{
auto & cl = cl_it->second;
if (data->res < 0 && data->res != -EAGAIN)
{
// this is a client socket, so don't panic. just disconnect it
printf("Client %d socket write error: %d (%s). Disconnecting client\n", peer_fd, -data->res, strerror(-data->res));
stop_client(peer_fd);
return;
}
cl.write_state = cl.write_state & ~SQE_SENT;
if (data->res > 0)
{
cl.write_remaining -= data->res;
cl.write_buf += data->res;
if (cl.write_remaining <= 0)
{
cl.write_buf = NULL;
osd_op_t *cur_op = cl.write_op;
if (cl.write_state == CL_WRITE_REPLY)
{
if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_READ &&
cur_op->reply.hdr.retval > 0)
{
// Send data
cl.write_buf = cur_op->buf;
cl.write_remaining = cur_op->reply.hdr.retval;
cl.write_state = CL_WRITE_DATA;
}
else if (cur_op->op.hdr.opcode == OSD_OP_SECONDARY_LIST)
{
// FIXME
}
else
{
goto op_done;
}
}
else if (cl.write_state == CL_WRITE_DATA)
{
op_done:
// Done
delete cur_op;
cl.write_op = NULL;
cl.write_state = cl.completions.size() > 0 ? CL_WRITE_READY : 0;
}
}
}
if (cl.write_state != 0)
{
write_ready_clients.push_back(peer_fd);
}
} }
bs->enqueue_op(cur_op->bs_op);
} }

5
osd_ops.h
View File

@ -4,8 +4,9 @@
#include <stdint.h> #include <stdint.h>
// Magic numbers // Magic numbers
#define SECONDARY_OSD_OP_MAGIC 0xf3f003b966ace9ab2bd7b10325434553
#define SECONDARY_OSD_REPLY_MAGIC 0xd17a57243b580b99baa699b87b434553 #define SECONDARY_OSD_OP_MAGIC 0x2bd7b10325434553l
#define SECONDARY_OSD_REPLY_MAGIC 0xbaa699b87b434553l
// Operation request headers and operation reply headers have fixed size after which comes data // Operation request headers and operation reply headers have fixed size after which comes data
#define OSD_OP_PACKET_SIZE 0x80 #define OSD_OP_PACKET_SIZE 0x80
#define OSD_REPLY_PACKET_SIZE 0x40 #define OSD_REPLY_PACKET_SIZE 0x40

4
test_blockstore.cpp
View File

@ -49,7 +49,7 @@ int main(int narg, char *args[])
} }
else if (main_state == 2) else if (main_state == 2)
{ {
printf("version %u written, syncing\n", op.version); printf("version %lu written, syncing\n", op.version);
version = op.version; version = op.version;
op.flags = OP_SYNC; op.flags = OP_SYNC;
bs->enqueue_op(&op); bs->enqueue_op(&op);
@ -57,7 +57,7 @@ int main(int narg, char *args[])
} }
else if (main_state == 4) else if (main_state == 4)
{ {
printf("stabilizing version %u\n", version); printf("stabilizing version %lu\n", version);
op.flags = OP_STABLE; op.flags = OP_STABLE;
op.len = 1; op.len = 1;
*((obj_ver_id*)op.buf) = { *((obj_ver_id*)op.buf) = {