tor-browser

The Tor Browser
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RsdparsaSdpParser.cpp (2387B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "sdp/RsdparsaSdpParser.h"
      8 
      9 #include "mozilla/UniquePtr.h"
     10 #include "nsError.h"
     11 #include "sdp/RsdparsaSdp.h"
     12 #include "sdp/RsdparsaSdpGlue.h"
     13 #include "sdp/RsdparsaSdpInc.h"
     14 #include "sdp/Sdp.h"
     15 
     16 namespace mozilla {
     17 
     18 const std::string& RsdparsaSdpParser::ParserName() {
     19  static const std::string& WEBRTC_SDP_NAME = "WEBRTCSDP";
     20  return WEBRTC_SDP_NAME;
     21 }
     22 
     23 UniquePtr<SdpParser::Results> RsdparsaSdpParser::Parse(
     24    const std::string& aText) {
     25  UniquePtr<SdpParser::InternalResults> results(
     26      new SdpParser::InternalResults(Name()));
     27  RustSdpSession* result = nullptr;
     28  RustSdpError* err = nullptr;
     29  StringView sdpTextView{aText.c_str(), aText.length()};
     30  nsresult rv = parse_sdp(sdpTextView, false, &result, &err);
     31  if (rv != NS_OK) {
     32    size_t line = sdp_get_error_line_num(err);
     33    char* cString = sdp_get_error_message(err);
     34    if (cString) {
     35      std::string errMsg(cString);
     36      sdp_free_error_message(cString);
     37      sdp_free_error(err);
     38      results->AddParseError(line, errMsg);
     39    } else {
     40      results->AddParseError(line, "Unable to retreive parse error.");
     41    }
     42    return results;
     43  }
     44 
     45  if (err) {
     46    size_t line = sdp_get_error_line_num(err);
     47    char* cString = sdp_get_error_message(err);
     48    if (cString) {
     49      std::string warningMsg(cString);
     50      results->AddParseWarning(line, warningMsg);
     51      sdp_free_error_message(cString);
     52      sdp_free_error(err);
     53    } else {
     54      results->AddParseWarning(line, "Unable to retreive parse warning.");
     55    }
     56  }
     57 
     58  RsdparsaSessionHandle uniqueResult(result);
     59  RustSdpOrigin rustOrigin = sdp_get_origin(uniqueResult.get());
     60  auto address = convertExplicitlyTypedAddress(&rustOrigin.addr);
     61  SdpOrigin origin(convertStringView(rustOrigin.username), rustOrigin.sessionId,
     62                   rustOrigin.sessionVersion, address.first, address.second);
     63 
     64  results->SetSdp(MakeUnique<RsdparsaSdp>(std::move(uniqueResult), origin));
     65  return results;
     66 }
     67 
     68 bool RsdparsaSdpParser::IsNamed(const std::string& aName) {
     69  return aName == ParserName();
     70 }
     71 
     72 }  // namespace mozilla