Update NSS to 3.32.1-RTM

security/nss/gtests/ssl_gtest/test_io.h

@@ -14,12 +14,15 @@
 #include <queue>
 #include <string>
 
+#include "databuffer.h"
+#include "dummy_io.h"
 #include "prio.h"
+#include "scoped_ptrs.h"
+#include "sslt.h"
 
 namespace nss_test {
 
 class DataBuffer;
-class Packet;
 class DummyPrSocket;  // Fwd decl.
 
 // Allow us to inspect a packet before it is written.
@@ -42,49 +45,59 @@ class PacketFilter {
   virtual Action Filter(const DataBuffer& input, DataBuffer* output) = 0;
 };
 
-enum Mode { STREAM, DGRAM };
-
-inline std::ostream& operator<<(std::ostream& os, Mode m) {
-  return os << ((m == STREAM) ? "TLS" : "DTLS");
-}
-
-class DummyPrSocket {
+class DummyPrSocket : public DummyIOLayerMethods {
  public:
-  ~DummyPrSocket();
+  DummyPrSocket(const std::string& name, SSLProtocolVariant variant)
+      : name_(name),
+        variant_(variant),
+        peer_(),
+        input_(),
+        filter_(nullptr),
+        writeable_(true) {}
+  virtual ~DummyPrSocket() {}
 
-  static PRFileDesc* CreateFD(const std::string& name,
-                              Mode mode);  // Returns an FD.
-  static DummyPrSocket* GetAdapter(PRFileDesc* fd);
+  // Create a file descriptor that will reference this object.  The fd must not
+  // live longer than this adapter; call PR_Close() before.
+  ScopedPRFileDesc CreateFD();
 
-  DummyPrSocket* peer() const { return peer_; }
-  void SetPeer(DummyPrSocket* peer) { peer_ = peer; }
-  void SetPacketFilter(PacketFilter* filter);
+  std::weak_ptr<DummyPrSocket>& peer() { return peer_; }
+  void SetPeer(const std::shared_ptr<DummyPrSocket>& peer) { peer_ = peer; }
+  void SetPacketFilter(std::shared_ptr<PacketFilter> filter);
   // Drops peer, packet filter and any outstanding packets.
   void Reset();
 
   void PacketReceived(const DataBuffer& data);
-  int32_t Read(void* data, int32_t len);
-  int32_t Recv(void* buf, int32_t buflen);
-  int32_t Write(const void* buf, int32_t length);
+  int32_t Read(PRFileDesc* f, void* data, int32_t len) override;
+  int32_t Recv(PRFileDesc* f, void* buf, int32_t buflen, int32_t flags,
+               PRIntervalTime to) override;
+  int32_t Write(PRFileDesc* f, const void* buf, int32_t length) override;
   void CloseWrites() { writeable_ = false; }
 
-  Mode mode() const { return mode_; }
+  SSLProtocolVariant variant() const { return variant_; }
   bool readable() const { return !input_.empty(); }
 
  private:
-  DummyPrSocket(const std::string& name, Mode mode)
-      : name_(name),
-        mode_(mode),
-        peer_(nullptr),
-        input_(),
-        filter_(nullptr),
-        writeable_(true) {}
+  class Packet : public DataBuffer {
+   public:
+    Packet(const DataBuffer& buf) : DataBuffer(buf), offset_(0) {}
+
+    void Advance(size_t delta) {
+      PR_ASSERT(offset_ + delta <= len());
+      offset_ = std::min(len(), offset_ + delta);
+    }
+
+    size_t offset() const { return offset_; }
+    size_t remaining() const { return len() - offset_; }
+
+   private:
+    size_t offset_;
+  };
 
   const std::string name_;
-  Mode mode_;
-  DummyPrSocket* peer_;
-  std::queue<Packet*> input_;
-  PacketFilter* filter_;
+  SSLProtocolVariant variant_;
+  std::weak_ptr<DummyPrSocket> peer_;
+  std::queue<Packet> input_;
+  std::shared_ptr<PacketFilter> filter_;
   bool writeable_;
 };
 
@@ -111,40 +124,44 @@ class Poller {
     PollCallback callback_;
   };
 
-  void Wait(Event event, DummyPrSocket* adapter, PollTarget* target,
-            PollCallback cb);
-  void Cancel(Event event, DummyPrSocket* adapter);
+  void Wait(Event event, std::shared_ptr<DummyPrSocket>& adapter,
+            PollTarget* target, PollCallback cb);
+  void Cancel(Event event, std::shared_ptr<DummyPrSocket>& adapter);
   void SetTimer(uint32_t timer_ms, PollTarget* target, PollCallback cb,
-                Timer** handle);
+                std::shared_ptr<Timer>* handle);
   bool Poll();
 
  private:
   Poller() : waiters_(), timers_() {}
-  ~Poller();
+  ~Poller() {}
 
   class Waiter {
    public:
-    Waiter(DummyPrSocket* io) : io_(io) {
+    Waiter(std::shared_ptr<DummyPrSocket> io) : io_(io) {
+      memset(&targets_[0], 0, sizeof(targets_));
       memset(&callbacks_[0], 0, sizeof(callbacks_));
     }
 
     void WaitFor(Event event, PollCallback callback);
 
-    DummyPrSocket* io_;
+    std::shared_ptr<DummyPrSocket> io_;
     PollTarget* targets_[TIMER_EVENT];
     PollCallback callbacks_[TIMER_EVENT];
   };
 
   class TimerComparator {
    public:
-    bool operator()(const Timer* lhs, const Timer* rhs) {
+    bool operator()(const std::shared_ptr<Timer> lhs,
+                    const std::shared_ptr<Timer> rhs) {
       return lhs->deadline_ > rhs->deadline_;
     }
   };
 
   static Poller* instance;
-  std::map<DummyPrSocket*, Waiter*> waiters_;
-  std::priority_queue<Timer*, std::vector<Timer*>, TimerComparator> timers_;
+  std::map<std::shared_ptr<DummyPrSocket>, std::unique_ptr<Waiter>> waiters_;
+  std::priority_queue<std::shared_ptr<Timer>,
+                      std::vector<std::shared_ptr<Timer>>, TimerComparator>
+      timers_;
 };
 
 }  // end of namespace