726 lines
24 KiB
C++
726 lines
24 KiB
C++
// Copyright (c) Vitaliy Filippov, 2019+
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// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
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#define _XOPEN_SOURCE
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#include <limits.h>
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#include "messenger.h"
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void osd_messenger_t::read_requests()
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{
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for (int i = 0; i < read_ready_clients.size(); i++)
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{
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uint64_t client_id = read_ready_clients[i];
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auto cl_it = clients.find(client_id);
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if (cl_it == clients.end() || !cl_it->second || cl_it->second->read_msg.msg_iovlen ||
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cl_it->second->peer_state != PEER_CONNECTED)
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{
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continue;
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}
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auto cl = cl_it->second;
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if (cl->read_op && cl->read_op_size-(cl->read_op_pos-OSD_PACKET_SIZE) >= receive_buffer_size)
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{
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op_get_read_buffers(cl, cl->recv_list);
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}
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if (!cl->recv_list.size())
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{
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cl->read_iov.iov_base = cl->in_buf;
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cl->read_iov.iov_len = receive_buffer_size;
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cl->read_msg.msg_iov = &cl->read_iov;
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cl->read_msg.msg_iovlen = 1;
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}
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else
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{
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cl->read_iov.iov_base = 0;
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cl->read_iov.iov_len = 0;
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cl->read_msg.msg_iov = cl->recv_list.data();
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cl->read_msg.msg_iovlen = cl->recv_list.size();
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}
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assert(!cl->read_op || cl->read_op_pos < OSD_PACKET_SIZE || cl->read_op_size >= (cl->read_op_pos-OSD_PACKET_SIZE));
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cl->refs++;
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if (ringloop && !use_sync_send_recv)
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{
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auto iothread = iothreads.size() ? iothreads[cl->peer_fd % iothreads.size()] : NULL;
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io_uring_sqe sqe_local;
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ring_data_t data_local;
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io_uring_sqe* sqe = (iothread ? &sqe_local : ringloop->get_sqe());
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if (iothread)
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{
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sqe_local = { .user_data = (uint64_t)&data_local };
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data_local = {};
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}
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if (!sqe)
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{
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cl->refs--;
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cl->read_msg.msg_iovlen = 0;
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read_ready_clients.erase(read_ready_clients.begin(), read_ready_clients.begin() + i);
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return;
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}
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ring_data_t* data = ((ring_data_t*)sqe->user_data);
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data->callback = [this, cl](ring_data_t *data) { handle_read(data->res, cl); };
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io_uring_prep_recvmsg(sqe, cl->peer_fd, &cl->read_msg, cl->recv_list.size() ? MSG_WAITALL : 0);
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if (iothread)
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{
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iothread->add_sqe(sqe_local);
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}
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}
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else
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{
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int result = recvmsg(cl->peer_fd, &cl->read_msg, 0);
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if (result < 0)
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{
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result = -errno;
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}
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// like set_immediate
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tfd->set_timer_us(0, false, [this, result, cl](int){ handle_read(result, cl); });
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}
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}
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read_ready_clients.clear();
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handle_immediate_ops();
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}
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void osd_messenger_t::handle_read(int result, osd_client_t *cl)
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{
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cl->refs--;
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if (cl->peer_state == PEER_RDMA)
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{
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return;
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}
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if (cl->peer_state == PEER_STOPPED)
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{
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if (cl->refs <= 0)
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{
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destroy_client(cl);
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}
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return;
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}
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if (result <= 0 && result != -EAGAIN && result != -EINTR)
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{
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// this is a client socket, so don't panic on error. just disconnect it
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if (result != 0)
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{
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fprintf(stderr, "Client %ju socket read error: %d (%s). Disconnecting client\n", cl->client_id, -result, strerror(-result));
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}
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stop_client(cl->client_id);
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out_wakeup:
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if (set_immediate_ops.size())
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ringloop->wakeup();
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return;
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}
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bool full_read = false;
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if (result > 0)
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{
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if (cl->read_iov.iov_base == cl->in_buf)
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{
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full_read = result >= cl->read_iov.iov_len;
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if (!handle_read_buffer(cl, cl->in_buf, result))
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goto out_wakeup;
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}
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else
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{
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// Reset OSD ping state
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cl->ping_time_remaining = 0;
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cl->idle_time_remaining = osd_idle_timeout;
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// Long data
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size_t i = 0;
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while (i < cl->recv_list.size() && result >= cl->recv_list[i].iov_len)
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{
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if (cl->read_csum_state && cl->recv_list[i].iov_len > 0 &&
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i != cl->recv_list.size()-1) // skip the checksum itself
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{
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XXH3_64bits_update(cl->read_csum_state, cl->recv_list[i].iov_base, cl->recv_list[i].iov_len);
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}
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result -= cl->recv_list[i].iov_len;
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i++;
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}
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if (i < cl->recv_list.size())
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{
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cl->recv_list[i].iov_base += result;
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cl->recv_list[i].iov_len -= result;
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}
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else
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{
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full_read = true;
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}
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cl->recv_list.erase(cl->recv_list.begin(), cl->recv_list.begin()+i);
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if (!cl->recv_list.size())
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{
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if (!handle_finished_op(cl))
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goto out_wakeup;
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}
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}
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}
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cl->read_msg.msg_iovlen = 0;
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if (result == -EAGAIN || result == -EINTR || !full_read)
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{
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cl->read_ready--;
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if (cl->read_ready > 0)
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read_ready_clients.push_back(cl->client_id);
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}
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else
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{
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read_ready_clients.push_back(cl->client_id);
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}
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goto out_wakeup;
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}
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void osd_messenger_t::handle_immediate_ops()
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{
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while (set_immediate_ops.size())
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{
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auto op = set_immediate_ops.front();
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set_immediate_ops.pop_front();
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if (op->op_type == OSD_OP_IN)
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{
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auto cl_it = clients.find(op->client_id);
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if (cl_it != clients.end() && cl_it->second->peer_state != PEER_STOPPED)
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exec_op(op);
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else
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delete op;
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}
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else
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{
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// Copy lambda to be unaffected by `delete op`
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std::function<void(osd_op_t*)>(op->callback)(op);
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}
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}
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}
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bool osd_messenger_t::handle_read_buffer(osd_client_t *cl, uint8_t *curbuf, size_t bufsize)
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{
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// Reset OSD ping state
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cl->ping_time_remaining = 0;
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cl->idle_time_remaining = osd_idle_timeout;
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// Compose operation(s) from the buffer
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size_t done = 0;
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while (done < bufsize)
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{
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if (!cl->read_op)
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{
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cl->read_op = new osd_op_t;
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cl->read_op->client_id = cl->client_id;
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cl->read_op->op_type = OSD_OP_IN;
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cl->read_op_pos = 0;
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cl->read_op_size = 0;
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cl->read_op_inline_decrypt_in = 0;
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cl->read_op_inline_decrypt_pos = (size_t)-1;
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if (cl->proto_csum_status == MSGR_CSUM_FULL || cl->proto_csum_status == MSGR_CSUM_PAYLOAD)
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{
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if (!cl->read_csum_state)
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cl->read_csum_state = XXH3_createState();
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XXH3_64bits_reset(cl->read_csum_state);
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}
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}
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if (cl->read_op_pos < OSD_PACKET_SIZE)
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{
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int len = OSD_PACKET_SIZE - cl->read_op_pos;
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if (len > bufsize-done)
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len = bufsize-done;
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memcpy(cl->read_op->req.buf + cl->read_op_pos, curbuf+done, len);
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done += len;
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cl->read_op_pos += len;
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if (cl->read_op_pos < OSD_PACKET_SIZE)
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return true;
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if (!handle_hdr(cl))
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{
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stop_client(cl->client_id);
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return false;
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}
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}
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if (!op_copy_from(cl, curbuf, bufsize, done))
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{
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return false;
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}
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}
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return true;
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}
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bool osd_messenger_t::handle_hdr(osd_client_t *cl)
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{
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if (cl->proto_csum_status == MSGR_CSUM_FULL)
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{
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XXH3_64bits_update(cl->read_csum_state, cl->read_op->req.buf, OSD_PACKET_SIZE);
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}
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if (cl->read_op->req.hdr.magic == SECONDARY_OSD_REPLY_MAGIC)
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{
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auto req_it = cl->sent_ops.find(cl->read_op->req.hdr.id);
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if (req_it == cl->sent_ops.end())
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{
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// Command out of sync. Drop connection
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fprintf(stderr, "Client %ju command out of sync: id %ju\n", cl->client_id, cl->read_op->req.hdr.id);
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return false;
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}
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osd_op_t *op = req_it->second;
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memcpy(op->reply.buf, cl->read_op->req.buf, OSD_PACKET_SIZE);
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if (!allocate_reply_buffers(cl, op))
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{
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return false;
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}
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cl->sent_ops.erase(req_it);
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delete cl->read_op;
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cl->read_op = op;
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}
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else if (cl->read_op->req.hdr.magic == SECONDARY_OSD_OP_MAGIC)
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{
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if (cl->check_sequencing)
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{
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if (cl->read_op->req.hdr.id != cl->read_op_id)
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{
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fprintf(stderr, "Warning: operation sequencing is broken on client %d: expected num %ju, got %ju, stopping client\n", cl->peer_fd, cl->read_op_id, cl->read_op->req.hdr.id);
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return false;
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}
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cl->read_op_id++;
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}
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if (!allocate_op_buffers(cl))
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{
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return false;
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}
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}
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else
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{
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fprintf(stderr, "Received garbage: magic=%jx id=%ju opcode=%jx from client %ju\n", cl->read_op->req.hdr.magic, cl->read_op->req.hdr.id, cl->read_op->req.hdr.opcode, cl->client_id);
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return false;
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}
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return true;
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}
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bool osd_messenger_t::allocate_op_buffers(osd_client_t *cl)
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{
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osd_op_t *cur_op = cl->read_op;
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cl->read_op_size = 0;
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if (cur_op->req.hdr.opcode == OSD_OP_SEC_WRITE ||
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cur_op->req.hdr.opcode == OSD_OP_SEC_WRITE_STABLE)
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{
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if (cur_op->req.sec_rw.attr_len > 0)
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{
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if (cur_op->req.sec_rw.attr_len > sizeof(unsigned))
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cur_op->bitmap = cur_op->rmw_buf = malloc_or_die(cur_op->req.sec_rw.attr_len);
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else
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cur_op->bitmap = &cur_op->bmp_data;
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}
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if (cur_op->req.sec_rw.len > 0)
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{
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cur_op->buf = memalign_or_die(MEM_ALIGNMENT, cur_op->req.sec_rw.len);
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}
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cl->read_op_size = cur_op->req.sec_rw.len + cur_op->req.sec_rw.attr_len;
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}
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else if (cur_op->req.hdr.opcode == OSD_OP_SEC_STABILIZE ||
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cur_op->req.hdr.opcode == OSD_OP_SEC_ROLLBACK)
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{
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if (cur_op->req.sec_stab.len > 0)
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{
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cur_op->buf = memalign_or_die(MEM_ALIGNMENT, cur_op->req.sec_stab.len);
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}
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cl->read_op_size = cur_op->req.sec_stab.len;
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}
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else if (cur_op->req.hdr.opcode == OSD_OP_SEC_READ_BMP)
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{
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if (cur_op->req.sec_read_bmp.len > 0)
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{
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cur_op->buf = memalign_or_die(MEM_ALIGNMENT, cur_op->req.sec_read_bmp.len);
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}
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cl->read_op_size = cur_op->req.sec_read_bmp.len;
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}
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else if (cur_op->req.hdr.opcode == OSD_OP_WRITE)
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{
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if (cur_op->req.rw.len > 0)
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{
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cur_op->buf = memalign_or_die(MEM_ALIGNMENT, cur_op->req.rw.len);
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}
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cl->read_op_size = cur_op->req.rw.len;
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}
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else if (cur_op->req.hdr.opcode == OSD_OP_SHOW_CONFIG)
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{
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if (cur_op->req.show_conf.json_len > 0)
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{
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cur_op->buf = malloc_or_die(cur_op->req.show_conf.json_len+1);
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((uint8_t*)cur_op->buf)[cur_op->req.show_conf.json_len] = 0;
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}
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cl->read_op_size = cur_op->req.show_conf.json_len;
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}
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if (cl->proto_csum_status == MSGR_CSUM_FULL ||
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cl->read_op_size > 0 && cl->proto_csum_status == MSGR_CSUM_PAYLOAD)
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{
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cl->read_op_size += 8;
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}
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return true;
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}
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bool osd_messenger_t::allocate_reply_buffers(osd_client_t *cl, osd_op_t *op)
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{
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cl->read_op_size = 0;
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if (op->reply.hdr.opcode == OSD_OP_SEC_READ || op->reply.hdr.opcode == OSD_OP_READ)
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{
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// Read data. In this case we assume that the buffer is preallocated by the caller (!)
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unsigned bmp_len = (op->reply.hdr.opcode == OSD_OP_SEC_READ ? op->reply.sec_rw.attr_len : op->reply.rw.bitmap_len);
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unsigned expected_size = (op->reply.hdr.opcode == OSD_OP_SEC_READ ? op->req.sec_rw.len : op->req.rw.len);
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if (op->reply.hdr.retval >= 0 && (op->reply.hdr.retval != expected_size || bmp_len > op->bitmap_len))
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{
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// Check reply length to not overflow the buffer
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fprintf(stderr, "Client %ju read reply of different length: expected %u+%u, got %jd+%u\n",
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cl->client_id, expected_size, op->bitmap_len, op->reply.hdr.retval, bmp_len);
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return false;
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}
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if (bmp_len > 0)
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{
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assert(op->bitmap);
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cl->read_op_size += bmp_len;
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}
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if (op->reply.hdr.retval > 0)
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{
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assert(op->iov.count > 0);
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cl->read_op_size += op->reply.hdr.retval;
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}
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}
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else if (op->reply.hdr.opcode == OSD_OP_SEC_LIST && op->reply.hdr.retval > 0)
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{
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assert(!op->iov.count);
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cl->read_op_size = sizeof(obj_ver_id) * op->reply.hdr.retval;
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op->buf = memalign_or_die(MEM_ALIGNMENT, cl->read_op_size);
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}
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else if (op->reply.hdr.opcode == OSD_OP_SEC_READ_BMP && op->reply.hdr.retval > 0)
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{
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assert(!op->iov.count);
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cl->read_op_size = op->reply.hdr.retval;
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free(op->buf);
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op->buf = memalign_or_die(MEM_ALIGNMENT, cl->read_op_size);
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}
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else if (op->reply.hdr.opcode == OSD_OP_SHOW_CONFIG && op->reply.hdr.retval > 0)
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{
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cl->read_op_size = op->reply.hdr.retval;
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free(op->buf);
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op->buf = malloc_or_die(op->reply.hdr.retval);
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}
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else if (op->reply.hdr.opcode == OSD_OP_DESCRIBE && op->reply.describe.result_bytes > 0)
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{
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cl->read_op_size = op->reply.describe.result_bytes;
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free(op->buf);
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op->buf = malloc_or_die(op->reply.describe.result_bytes);
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}
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if (cl->proto_csum_status == MSGR_CSUM_FULL ||
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cl->read_op_size > 0 && cl->proto_csum_status == MSGR_CSUM_PAYLOAD)
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{
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cl->read_op_size += 8;
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}
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return true;
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}
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bool osd_messenger_t::op_copy_from(osd_client_t *cl, uint8_t *src, size_t src_len, size_t & done)
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{
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osd_op_t *op = cl->read_op;
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size_t from = cl->read_op_pos-OSD_PACKET_SIZE;
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auto op_read_buf = [&](uint8_t *dst, size_t dst_len, bool skip_csum = false)
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{
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if (from < dst_len)
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{
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size_t n = dst_len-from;
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if (n > src_len-done)
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n = src_len-done;
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if (cl->read_csum_state && !skip_csum)
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{
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// it may be skipped if !dst but checksum is still calculated
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XXH3_64bits_update(cl->read_csum_state, src+done, n);
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}
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if (dst)
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memcpy(dst+from, src+done, n);
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else
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assert(!this->osd_num); // NULL buffers are only used by clients
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done += n;
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cl->read_op_pos += n;
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from += n;
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if (from < dst_len)
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return false;
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from = 0;
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}
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else
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from -= dst_len;
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return true;
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};
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if (op->op_type == OSD_OP_IN)
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{
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if (op->req.hdr.opcode == OSD_OP_SEC_WRITE ||
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op->req.hdr.opcode == OSD_OP_SEC_WRITE_STABLE)
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{
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if (!op_read_buf((uint8_t*)op->bitmap, op->req.sec_rw.attr_len))
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return true;
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if (!op_read_buf((uint8_t*)op->buf, op->req.sec_rw.len))
|
|
return true;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_SEC_STABILIZE ||
|
|
op->req.hdr.opcode == OSD_OP_SEC_ROLLBACK)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.sec_stab.len))
|
|
return true;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_SEC_READ_BMP)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.sec_read_bmp.len))
|
|
return true;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_WRITE)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.rw.len))
|
|
return true;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_SHOW_CONFIG)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.show_conf.json_len))
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (op->reply.hdr.opcode == OSD_OP_SEC_READ)
|
|
{
|
|
if (op->reply.sec_rw.attr_len > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->bitmap, op->reply.sec_rw.attr_len))
|
|
return true;
|
|
}
|
|
if (op->reply.hdr.retval > 0)
|
|
{
|
|
for (int i = 0; i < op->iov.count; i++)
|
|
if (!op_read_buf((uint8_t*)op->iov.buf[i].iov_base, op->iov.buf[i].iov_len))
|
|
return true;
|
|
}
|
|
}
|
|
else if (op->reply.hdr.opcode == OSD_OP_READ)
|
|
{
|
|
if (op->reply.rw.bitmap_len > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->bitmap, op->reply.rw.bitmap_len))
|
|
return true;
|
|
}
|
|
if (op->reply.hdr.retval > 0)
|
|
{
|
|
if (op->enc)
|
|
{
|
|
if (!op_decrypted_copy_data_from(cl, src, src_len, from, done))
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < op->iov.count; i++)
|
|
if (!op_read_buf((uint8_t*)op->iov.buf[i].iov_base, op->iov.buf[i].iov_len))
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
else if (op->reply.hdr.opcode == OSD_OP_SEC_LIST && op->reply.hdr.retval > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, sizeof(obj_ver_id) * op->reply.hdr.retval))
|
|
return true;
|
|
}
|
|
else if ((op->reply.hdr.opcode == OSD_OP_SEC_READ_BMP ||
|
|
op->reply.hdr.opcode == OSD_OP_SHOW_CONFIG) && op->reply.hdr.retval > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->reply.hdr.retval))
|
|
return true;
|
|
}
|
|
else if (op->reply.hdr.opcode == OSD_OP_DESCRIBE && op->reply.describe.result_bytes > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->reply.describe.result_bytes))
|
|
return true;
|
|
}
|
|
}
|
|
if (cl->proto_csum_status == MSGR_CSUM_FULL ||
|
|
cl->read_op_size > 0 && cl->proto_csum_status == MSGR_CSUM_PAYLOAD)
|
|
{
|
|
if (!op_read_buf((uint8_t*)&op->csum, 8, true))
|
|
return true;
|
|
}
|
|
return handle_finished_op(cl);
|
|
}
|
|
|
|
void osd_messenger_t::op_get_read_buffers(osd_client_t *cl, std::vector<iovec> & lst)
|
|
{
|
|
osd_op_t *op = cl->read_op;
|
|
size_t from = cl->read_op_pos-OSD_PACKET_SIZE;
|
|
size_t done = 0;
|
|
auto op_read_buf = [&](uint8_t *dst, size_t dst_len)
|
|
{
|
|
if (lst.size() >= IOV_MAX)
|
|
return false;
|
|
if (from < dst_len)
|
|
{
|
|
lst.push_back((iovec){ .iov_base = dst+from, .iov_len = dst_len-from });
|
|
cl->read_op_pos += dst_len-from;
|
|
done += dst_len-from;
|
|
from = 0;
|
|
}
|
|
else
|
|
from -= dst_len;
|
|
return true;
|
|
};
|
|
if (op->op_type == OSD_OP_IN)
|
|
{
|
|
if (op->req.hdr.opcode == OSD_OP_SEC_WRITE ||
|
|
op->req.hdr.opcode == OSD_OP_SEC_WRITE_STABLE)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->bitmap, op->req.sec_rw.attr_len))
|
|
return;
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.sec_rw.len))
|
|
return;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_SEC_STABILIZE ||
|
|
op->req.hdr.opcode == OSD_OP_SEC_ROLLBACK)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.sec_stab.len))
|
|
return;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_SEC_READ_BMP)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.sec_read_bmp.len))
|
|
return;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_WRITE)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.rw.len))
|
|
return;
|
|
}
|
|
else if (op->req.hdr.opcode == OSD_OP_SHOW_CONFIG)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->req.show_conf.json_len))
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (op->reply.hdr.opcode == OSD_OP_SEC_READ)
|
|
{
|
|
if (op->reply.sec_rw.attr_len > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->bitmap, op->reply.sec_rw.attr_len))
|
|
return;
|
|
}
|
|
if (op->reply.hdr.retval > 0)
|
|
{
|
|
for (int i = 0; i < op->iov.count; i++)
|
|
if (!op_read_buf((uint8_t*)op->iov.buf[i].iov_base, op->iov.buf[i].iov_len))
|
|
return;
|
|
}
|
|
}
|
|
else if (op->reply.hdr.opcode == OSD_OP_READ)
|
|
{
|
|
if (op->reply.rw.bitmap_len > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->bitmap, op->reply.rw.bitmap_len))
|
|
return;
|
|
}
|
|
if (op->reply.hdr.retval > 0)
|
|
{
|
|
if (op->enc)
|
|
{
|
|
cl->read_op_inline_decrypt_pos = cl->read_op_pos;
|
|
cl->read_op_pos = cl->read_op_inline_decrypt_in + OSD_PACKET_SIZE + op->reply.rw.bitmap_len;
|
|
from = cl->read_op_inline_decrypt_in;
|
|
}
|
|
for (int i = 0; i < op->iov.count; i++)
|
|
{
|
|
if (!op->iov.buf[i].iov_base)
|
|
{
|
|
// When we recvmsg directly into the operation without copying,
|
|
// we need some place for all buffers, so we allocate temporary
|
|
// buffers for all skipped parts
|
|
op_alloc_temp_buffers(op, i);
|
|
}
|
|
if (!op_read_buf((uint8_t*)op->iov.buf[i].iov_base, op->iov.buf[i].iov_len))
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if (op->reply.hdr.opcode == OSD_OP_SEC_LIST && op->reply.hdr.retval > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, sizeof(obj_ver_id) * op->reply.hdr.retval))
|
|
return;
|
|
}
|
|
else if ((op->reply.hdr.opcode == OSD_OP_SEC_READ_BMP ||
|
|
op->reply.hdr.opcode == OSD_OP_SHOW_CONFIG) && op->reply.hdr.retval > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->reply.hdr.retval))
|
|
return;
|
|
}
|
|
else if (op->reply.hdr.opcode == OSD_OP_DESCRIBE && op->reply.describe.result_bytes > 0)
|
|
{
|
|
if (!op_read_buf((uint8_t*)op->buf, op->reply.describe.result_bytes))
|
|
return;
|
|
}
|
|
}
|
|
if (cl->proto_csum_status == MSGR_CSUM_FULL ||
|
|
cl->read_op_size > 0 && cl->proto_csum_status == MSGR_CSUM_PAYLOAD)
|
|
{
|
|
if (!op_read_buf((uint8_t*)&op->csum, 8))
|
|
return;
|
|
}
|
|
}
|
|
|
|
void osd_messenger_t::op_alloc_temp_buffers(osd_op_t *op, int i)
|
|
{
|
|
size_t total_skip = 0;
|
|
for (int j = i; j < op->iov.count; j++)
|
|
{
|
|
if (!op->iov.buf[j].iov_base)
|
|
{
|
|
total_skip += op->iov.buf[j].iov_len;
|
|
}
|
|
}
|
|
assert(total_skip);
|
|
assert(!op->rmw_buf);
|
|
op->rmw_buf = malloc_or_die(total_skip);
|
|
total_skip = 0;
|
|
for (int j = i; j < op->iov.count; j++)
|
|
{
|
|
if (!op->iov.buf[j].iov_base)
|
|
{
|
|
op->iov.buf[j].iov_base = (uint8_t*)op->rmw_buf + total_skip;
|
|
total_skip += op->iov.buf[j].iov_len;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool osd_messenger_t::handle_finished_op(osd_client_t *cl)
|
|
{
|
|
osd_op_t *op = cl->read_op;
|
|
if (cl->proto_csum_status == MSGR_CSUM_FULL ||
|
|
cl->read_op_size > 0 && cl->proto_csum_status == MSGR_CSUM_PAYLOAD)
|
|
{
|
|
uint64_t real_csum = XXH3_64bits_digest(cl->read_csum_state);
|
|
if (op->csum != real_csum)
|
|
{
|
|
fprintf(stderr, "Client %ju checksum mismatch for received data: expected %016jx, got %016jx, disconnecting client\n",
|
|
cl->client_id, op->csum, real_csum);
|
|
stop_client(cl->client_id);
|
|
return false;
|
|
}
|
|
}
|
|
if (op->op_type == OSD_OP_IN)
|
|
{
|
|
// Operation is ready
|
|
cl->received_ops.push_back(op);
|
|
}
|
|
else
|
|
{
|
|
// Inline decryption
|
|
if (cl->read_op_inline_decrypt_pos != (size_t)-1)
|
|
{
|
|
op_decrypt_inline(cl);
|
|
cl->read_op_inline_decrypt_pos = (size_t)-1;
|
|
}
|
|
// Measure subop (outbound op) latency
|
|
timespec tv_end;
|
|
clock_gettime(CLOCK_REALTIME, &tv_end);
|
|
stats.subop_stat_count[op->req.hdr.opcode]++;
|
|
if (!stats.subop_stat_count[op->req.hdr.opcode])
|
|
{
|
|
stats.subop_stat_count[op->req.hdr.opcode]++;
|
|
stats.subop_stat_sum[op->req.hdr.opcode] = 0;
|
|
}
|
|
stats.subop_stat_sum[op->req.hdr.opcode] += (
|
|
(tv_end.tv_sec - op->tv_begin.tv_sec)*1000000 +
|
|
(tv_end.tv_nsec - op->tv_begin.tv_nsec)/1000
|
|
);
|
|
}
|
|
set_immediate_ops.push_back(op);
|
|
cl->read_op = NULL;
|
|
return true;
|
|
}
|