1 files changed, 233 insertions, 0 deletions
diff --git a/media/mtransport/test/dummysocket.h b/media/mtransport/test/dummysocket.h
new file mode 100644
index 000000000..a5d138940
--- /dev/null
+++ b/media/mtransport/test/dummysocket.h
@@ -0,0 +1,233 @@
+/* -*- 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/. */
+
+// Original authors: ekr@rtfm.com; ryan@tokbox.com
+
+#ifndef MTRANSPORT_DUMMY_SOCKET_H_
+#define MTRANSPORT_DUMMY_SOCKET_H_
+
+#include "nr_socket_prsock.h"
+
+extern "C" {
+#include "transport_addr.h"
+}
+
+#include "databuffer.h"
+#include "mozilla/UniquePtr.h"
+
+#define GTEST_HAS_RTTI 0
+#include "gtest/gtest.h"
+#include "gtest_utils.h"
+
+namespace mozilla {
+
+static UniquePtr<DataBuffer> merge(UniquePtr<DataBuffer> a, UniquePtr<DataBuffer> b) {
+  if (a && a->len() && b && b->len()) {
+    UniquePtr<DataBuffer> merged(new DataBuffer());
+    merged->Allocate(a->len() + b->len());
+
+    memcpy(merged->data(), a->data(), a->len());
+    memcpy(merged->data() + a->len(), b->data(), b->len());
+
+    return merged;
+  }
+
+  if (a && a->len()) {
+    return a;
+  }
+
+  if (b && b->len()) {
+    return b;
+  }
+
+  return nullptr;
+}
+
+class DummySocket : public NrSocketBase {
+ public:
+  DummySocket()
+      : writable_(UINT_MAX),
+        write_buffer_(nullptr),
+        readable_(UINT_MAX),
+        read_buffer_(nullptr),
+        cb_(nullptr),
+        cb_arg_(nullptr),
+        self_(nullptr) {}
+
+  // the nr_socket APIs
+  virtual int create(nr_transport_addr *addr) {
+    return 0;
+  }
+
+  virtual int sendto(const void *msg, size_t len,
+                     int flags, nr_transport_addr *to) {
+    MOZ_CRASH();
+    return 0;
+  }
+
+  virtual int recvfrom(void * buf, size_t maxlen,
+                       size_t *len, int flags,
+                       nr_transport_addr *from) {
+    MOZ_CRASH();
+    return 0;
+  }
+
+  virtual int getaddr(nr_transport_addr *addrp) {
+    MOZ_CRASH();
+    return 0;
+  }
+
+  virtual void close() {
+  }
+
+  virtual int connect(nr_transport_addr *addr) {
+    nr_transport_addr_copy(&connect_addr_, addr);
+    return 0;
+  }
+
+  virtual int listen(int backlog) {
+    return 0;
+  }
+
+  virtual int accept(nr_transport_addr *addrp, nr_socket **sockp) {
+    return 0;
+  }
+
+
+  virtual int write(const void *msg, size_t len, size_t *written) {
+    size_t to_write = std::min(len, writable_);
+
+    if (to_write) {
+      UniquePtr<DataBuffer> msgbuf(new DataBuffer(static_cast<const uint8_t *>(msg), to_write));
+      write_buffer_ = merge(Move(write_buffer_), Move(msgbuf));
+    }
+
+    *written = to_write;
+
+    return 0;
+  }
+
+  virtual int read(void* buf, size_t maxlen, size_t *len) {
+    if (!read_buffer_.get()) {
+      return R_WOULDBLOCK;
+    }
+
+    size_t to_read = std::min(read_buffer_->len(),
+                              std::min(maxlen, readable_));
+
+    memcpy(buf, read_buffer_->data(), to_read);
+    *len = to_read;
+
+    if (to_read < read_buffer_->len()) {
+      read_buffer_.reset(new DataBuffer(read_buffer_->data() + to_read,
+                                    read_buffer_->len() - to_read));
+    } else {
+      read_buffer_.reset();
+    }
+
+    return 0;
+  }
+
+  // Implementations of the async_event APIs.
+  // These are no-ops because we handle scheduling manually
+  // for test purposes.
+  virtual int async_wait(int how, NR_async_cb cb, void *cb_arg,
+                         char *function, int line) {
+    EXPECT_EQ(nullptr, cb_);
+    cb_ = cb;
+    cb_arg_ = cb_arg;
+
+    return 0;
+  }
+
+  virtual int cancel(int how) {
+    cb_ = nullptr;
+    cb_arg_ = nullptr;
+
+    return 0;
+  }
+
+
+  // Read/Manipulate the current state.
+  void CheckWriteBuffer(const uint8_t *data, size_t len) {
+    if (!len) {
+      EXPECT_EQ(nullptr, write_buffer_.get());
+    } else {
+      EXPECT_NE(nullptr, write_buffer_.get());
+      ASSERT_EQ(len, write_buffer_->len());
+      ASSERT_EQ(0, memcmp(data, write_buffer_->data(), len));
+    }
+  }
+
+  void ClearWriteBuffer() {
+    write_buffer_.reset();
+  }
+
+  void SetWritable(size_t val) {
+    writable_ = val;
+  }
+
+  void FireWritableCb() {
+    NR_async_cb cb = cb_;
+    void *cb_arg = cb_arg_;
+
+    cb_ = nullptr;
+    cb_arg_ = nullptr;
+
+    cb(this, NR_ASYNC_WAIT_WRITE, cb_arg);
+  }
+
+  void SetReadBuffer(const uint8_t *data, size_t len) {
+    EXPECT_EQ(nullptr, write_buffer_.get());
+    read_buffer_.reset(new DataBuffer(data, len));
+  }
+
+  void ClearReadBuffer() {
+    read_buffer_.reset();
+  }
+
+  void SetReadable(size_t val) {
+    readable_ = val;
+  }
+
+  nr_socket *get_nr_socket() {
+    if (!self_) {
+      int r = nr_socket_create_int(this, vtbl(), &self_);
+      AddRef();
+      if (r)
+        return nullptr;
+    }
+
+    return self_;
+  }
+
+  nr_transport_addr *get_connect_addr() {
+    return &connect_addr_;
+  }
+
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DummySocket);
+
+ private:
+  ~DummySocket() {}
+
+  DISALLOW_COPY_ASSIGN(DummySocket);
+
+  size_t writable_;  // Amount we allow someone to write.
+  UniquePtr<DataBuffer> write_buffer_;
+  size_t readable_;   // Amount we allow someone to read.
+  UniquePtr<DataBuffer> read_buffer_;
+
+  NR_async_cb cb_;
+  void *cb_arg_;
+  nr_socket *self_;
+
+  nr_transport_addr connect_addr_;
+};
+
+} //namespace mozilla
+
+#endif
+