From 4f9bbe376939daf78d80e3b977e02a50a40c370f Mon Sep 17 00:00:00 2001
From: sammirata <sammirata@users.noreply.github.com>
Date: Tue, 4 Oct 2016 18:51:45 -0400
Subject: [PATCH] Do not require exclusive bind of udp sockets (#154)

---
 AUTHORS                               | 1 +
 CONTRIBUTORS                          | 1 +
 packager/media/file/udp_file_posix.cc | 8 ++++++++
 3 files changed, 10 insertions(+)

diff --git a/AUTHORS b/AUTHORS
index 4818cd20d3..41f3a0f641 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -17,4 +17,5 @@ Anders Hasselqvist <anders.hasselqvist@gmail.com>
 Google Inc. <*@google.com>
 Leandro Moreira <leandro.ribeiro.moreira@gmail.com>
 Philo Inc. <*@philo.com>
+Sergio Ammirata <sergio@ammirata.net>
 The Chromium Authors <*@chromium.org>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index fabb1ab824..4543eca591 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -30,4 +30,5 @@ Joey Parrish <joeyparrish@google.com>
 Kongqun Yang <kqyang@google.com>
 Leandro Moreira <leandro.ribeiro.moreira@gmail.com>
 Rintaro Kuroiwa <rkuroiwa@google.com>
+Sergio Ammirata <sergio@ammirata.net>
 Thomas Inskip <tinskip@google.com>
diff --git a/packager/media/file/udp_file_posix.cc b/packager/media/file/udp_file_posix.cc
index e8354e91f4..48a62ac64f 100644
--- a/packager/media/file/udp_file_posix.cc
+++ b/packager/media/file/udp_file_posix.cc
@@ -187,6 +187,14 @@ bool UdpFile::Open() {
   local_sock_addr.sin_family = AF_INET;
   local_sock_addr.sin_port = htons(dest_port);
   local_sock_addr.sin_addr.s_addr  = htonl(dest_addr);
+  // We do not need to require exclusive bind of udp sockets
+  const int optval = 1;
+  if (setsockopt(new_socket.get(), SOL_SOCKET, SO_REUSEADDR, &optval,
+                 sizeof(optval)) < 0) {
+    LOG(ERROR)
+        << "Could not apply the SO_REUSEADDR property to the UDP socket";
+    return false;
+  }
   if (bind(new_socket.get(),
            reinterpret_cast<struct sockaddr*>(&local_sock_addr),
            sizeof(local_sock_addr))) {