Cleanup of iOS AudioDevice implementation

webrtc/modules/utility/source/helpers_ios.mm

 /*
- *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
+ *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #if defined(WEBRTC_IOS)
 
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
 #import <Foundation/Foundation.h>
-#include <string.h>
+#include <pthread.h>
 
 #include "webrtc/base/checks.h"
-#include "webrtc/typedefs.h"
+#include "webrtc/modules/utility/interface/helpers_ios.h"
 
 namespace webrtc {
-namespace test {
+namespace ios {
 
 // TODO(henrika): move to shared location.
 // See https://code.google.com/p/webrtc/issues/detail?id=4773 for details.
 NSString* NSStringFromStdString(const std::string& stdString) {
   // std::string may contain null termination character so we construct
   // using length.
   return [[NSString alloc] initWithBytes:stdString.data()
                                   length:stdString.length()
                                 encoding:NSUTF8StringEncoding];
 }
 
 std::string StdStringFromNSString(NSString* nsString) {
   NSData* charData = [nsString dataUsingEncoding:NSUTF8StringEncoding];
   return std::string(reinterpret_cast<const char*>([charData bytes]),
                      [charData length]);
 }
 
-// For iOS, resource files are added to the application bundle in the root
-// and not in separate folders as is the case for other platforms. This method
-// therefore removes any prepended folders and uses only the actual file name.
-std::string IOSResourcePath(std::string name, std::string extension) {
-  @autoreleasepool {
-    NSString* path = NSStringFromStdString(name);
-    NSString* fileName = path.lastPathComponent;
-    NSString* fileType = NSStringFromStdString(extension);
-    // Get full pathname for the resource identified by the name and extension.
-    NSString* pathString = [[NSBundle mainBundle] pathForResource:fileName
-                                                           ofType:fileType];
-    return StdStringFromNSString(pathString);
+void CheckAndLogError(BOOL success, NSError* error) {
+  if (!success) {
+    NSLog(@"Error: %ld, %@", (long)error.code, error.localizedDescription);
   }
 }
 
-}  // namespace test
+std::string GetCurrentThreadDescription() {
+  NSString* name = [NSString stringWithFormat:@"%@", [NSThread currentThread]];
+  return StdStringFromNSString(name);
+}
+
+std::string GetThreadId() {
+  char buf[21];  // Big enough to hold a kuint64max plus terminating NULL.
+  pid_t thread_id = pthread_mach_thread_np(pthread_self());
+  CHECK_LT(snprintf(buf, sizeof(buf), "%i", thread_id),
+           static_cast<int>(sizeof(buf)))
+      << "Thread id is bigger than uint64??";
+  return std::string(buf);
+}
+
+std::string GetThreadInfo() {
+  return "@[tid=" + GetThreadId() + "]";
+}
+
+}  // namespace ios
 }  // namespace webrtc
 
 #endif  // defined(WEBRTC_IOS)