1 files changed, 126 insertions, 0 deletions
diff --git a/dom/media/webrtc/sdp/RsdparsaSdp.cpp b/dom/media/webrtc/sdp/RsdparsaSdp.cpp
new file mode 100644
index 0000000000..0e653dc17e
--- /dev/null
+++ b/dom/media/webrtc/sdp/RsdparsaSdp.cpp
@@ -0,0 +1,126 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "sdp/RsdparsaSdp.h"
+
+#include <cstdlib>
+#include "mozilla/UniquePtr.h"
+#include "mozilla/Assertions.h"
+#include "nsError.h"
+#include <iostream>
+
+#include "sdp/RsdparsaSdpInc.h"
+#include "sdp/RsdparsaSdpMediaSection.h"
+
+#ifdef CRLF
+#  undef CRLF
+#endif
+#define CRLF "\r\n"
+
+namespace mozilla {
+
+RsdparsaSdp::RsdparsaSdp(RsdparsaSessionHandle session, const SdpOrigin& origin)
+    : mSession(std::move(session)), mOrigin(origin) {
+  RsdparsaSessionHandle attributeSession(sdp_new_reference(mSession.get()));
+  mAttributeList.reset(
+      new RsdparsaSdpAttributeList(std::move(attributeSession)));
+
+  size_t section_count = sdp_media_section_count(mSession.get());
+  for (size_t level = 0; level < section_count; level++) {
+    RustMediaSection* mediaSection =
+        sdp_get_media_section(mSession.get(), level);
+    if (!mediaSection) {
+      MOZ_ASSERT(false,
+                 "sdp_get_media_section failed because level was out of"
+                 " bounds, but we did a bounds check!");
+      break;
+    }
+    RsdparsaSessionHandle newSession(sdp_new_reference(mSession.get()));
+    RsdparsaSdpMediaSection* sdpMediaSection;
+    sdpMediaSection = new RsdparsaSdpMediaSection(
+        level, std::move(newSession), mediaSection, mAttributeList.get());
+    mMediaSections.emplace_back(sdpMediaSection);
+  }
+}
+
+RsdparsaSdp::RsdparsaSdp(const RsdparsaSdp& aOrig)
+    : RsdparsaSdp(RsdparsaSessionHandle(create_sdp_clone(aOrig.mSession.get())),
+                  aOrig.mOrigin) {}
+
+Sdp* RsdparsaSdp::Clone() const { return new RsdparsaSdp(*this); }
+
+const SdpOrigin& RsdparsaSdp::GetOrigin() const { return mOrigin; }
+
+uint32_t RsdparsaSdp::GetBandwidth(const std::string& type) const {
+  return get_sdp_bandwidth(mSession.get(), type.c_str());
+}
+
+const SdpMediaSection& RsdparsaSdp::GetMediaSection(size_t level) const {
+  if (level > mMediaSections.size()) {
+    MOZ_CRASH();
+  }
+  return *mMediaSections[level];
+}
+
+SdpMediaSection& RsdparsaSdp::GetMediaSection(size_t level) {
+  if (level > mMediaSections.size()) {
+    MOZ_CRASH();
+  }
+  return *mMediaSections[level];
+}
+
+SdpMediaSection& RsdparsaSdp::AddMediaSection(
+    SdpMediaSection::MediaType mediaType, SdpDirectionAttribute::Direction dir,
+    uint16_t port, SdpMediaSection::Protocol protocol, sdp::AddrType addrType,
+    const std::string& addr) {
+  StringView rustAddr{addr.c_str(), addr.size()};
+  auto nr = sdp_add_media_section(mSession.get(), mediaType, dir, port,
+                                  protocol, addrType, rustAddr);
+
+  if (NS_SUCCEEDED(nr)) {
+    size_t level = mMediaSections.size();
+    RsdparsaSessionHandle newSessHandle(sdp_new_reference(mSession.get()));
+
+    auto rustMediaSection = sdp_get_media_section(mSession.get(), level);
+    auto mediaSection =
+        new RsdparsaSdpMediaSection(level, std::move(newSessHandle),
+                                    rustMediaSection, mAttributeList.get());
+    mMediaSections.emplace_back(mediaSection);
+
+    return *mediaSection;
+  } else {
+    // Return the last media section if the construction of this one fails
+    return GetMediaSection(mMediaSections.size() - 1);
+  }
+}
+
+void RsdparsaSdp::Serialize(std::ostream& os) const {
+  os << "v=0" << CRLF << mOrigin << "s=-" << CRLF;
+
+  // We don't support creating i=, u=, e=, p=
+  // We don't generate c= at the session level (only in media)
+
+  BandwidthVec* bwVec = sdp_get_session_bandwidth_vec(mSession.get());
+  char* bwString = sdp_serialize_bandwidth(bwVec);
+  if (bwString) {
+    os << bwString;
+    sdp_free_string(bwString);
+  }
+
+  os << "t=0 0" << CRLF;
+
+  // We don't support r= or z=
+
+  // attributes
+  os << *mAttributeList;
+
+  // media sections
+  for (const auto& msection : mMediaSections) {
+    os << *msection;
+  }
+}
+
+}  // namespace mozilla