Home | History | Annotate | Download | only in usbip
      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 #include "host/libs/usbip/messages.h"
     17 
     18 #include <netinet/in.h>
     19 #include <iostream>
     20 
     21 #include <glog/logging.h>
     22 
     23 namespace vadb {
     24 namespace usbip {
     25 namespace {
     26 // Basic sanity checking.
     27 // We're using CmdHeader + CmdReq/Rep in case any of the fields is moved between
     28 // structures.
     29 constexpr int kUsbIpCmdLength = 48;
     30 
     31 static_assert(sizeof(CmdHeader) + sizeof(CmdReqSubmit) == kUsbIpCmdLength,
     32               "USB/IP command + header must be exactly 48 bytes.");
     33 static_assert(sizeof(CmdHeader) + sizeof(CmdRepSubmit) == kUsbIpCmdLength,
     34               "USB/IP command + header must be exactly 48 bytes.");
     35 static_assert(sizeof(CmdHeader) + sizeof(CmdReqUnlink) == kUsbIpCmdLength,
     36               "USB/IP command + header must be exactly 48 bytes.");
     37 static_assert(sizeof(CmdHeader) + sizeof(CmdRepUnlink) == kUsbIpCmdLength,
     38               "USB/IP command + header must be exactly 48 bytes.");
     39 }  // namespace
     40 
     41 std::ostream& operator<<(std::ostream& out, const CmdHeader& header) {
     42   out << "CmdHeader\n";
     43   out << "\t\tcmd:\t" << header.command << '\n';
     44   out << "\t\tseq#:\t" << header.seq_num << '\n';
     45   out << "\t\tbus#:\t0x" << header.bus_num << '\n';
     46   out << "\t\tdev#:\t0x" << header.dev_num << '\n';
     47   out << "\t\tdir:\t" << (header.direction ? "in" : "out") << '\n';
     48   out << "\t\tendpt:\t" << header.endpoint << "\n";
     49   return out;
     50 }
     51 
     52 std::ostream& operator<<(std::ostream& out, const CmdRequest& setup) {
     53   out << "Request\n";
     54   out << "\t\t\ttype:\t" << std::hex << int(setup.type) << '\n';
     55   out << "\t\t\treq:\t" << int(setup.cmd) << std::dec << '\n';
     56   out << "\t\t\tval:\t" << setup.value << '\n';
     57   out << "\t\t\tidx:\t" << setup.index << '\n';
     58   out << "\t\t\tlen:\t" << setup.length << '\n';
     59   return out;
     60 }
     61 
     62 std::ostream& operator<<(std::ostream& out, const CmdReqSubmit& submit) {
     63   out << "CmdReqSubmit\n";
     64   out << "\t\ttr_flg:\t" << std::hex << submit.transfer_flags << std::dec
     65       << '\n';
     66   out << "\t\ttr_len:\t" << submit.transfer_buffer_length << '\n';
     67   out << "\t\tstart:\t" << submit.start_frame << '\n';
     68   out << "\t\tpktcnt:\t" << submit.number_of_packets << '\n';
     69   out << "\t\tttl:\t" << submit.deadline_interval << '\n';
     70   out << "\t\tsetup:\t" << submit.setup << '\n';
     71   return out;
     72 }
     73 
     74 std::ostream& operator<<(std::ostream& out, const CmdRepSubmit& submit) {
     75   out << "CmdRepSubmit\n";
     76   out << "\t\tstatus:\t" << submit.status << '\n';
     77   out << "\t\tlen:\t" << submit.actual_length << '\n';
     78   out << "\t\tstart:\t" << submit.start_frame << '\n';
     79   out << "\t\tpktcnt:\t" << submit.number_of_packets << '\n';
     80   out << "\t\terrors:\t" << submit.error_count << '\n';
     81   out << "\t\tsetup:\t" << submit.setup << '\n';
     82   return out;
     83 }
     84 
     85 std::ostream& operator<<(std::ostream& out, const CmdReqUnlink& unlink) {
     86   out << "CmdReqUnlink\n";
     87   out << "\t\tseq#:\t" << unlink.seq_num << '\n';
     88   return out;
     89 }
     90 
     91 std::ostream& operator<<(std::ostream& out, const CmdRepUnlink& unlink) {
     92   out << "CmdRepUnlink\n";
     93   out << "\t\tstatus:\t" << unlink.status << '\n';
     94   return out;
     95 }
     96 
     97 }  // namespace usbip
     98 }  // namespace vadb
     99