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-rw-r--r--dom/media/webrtc/sdp/RsdparsaSdp.cpp126
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