Merge branch 'master' of github.com:grpc/grpc into compression_md_level_bis

14 files changed, 77 insertions, 39 deletions

diff --git a/include/grpc++/impl/codegen/channel_interface.h b/include/grpc++/impl/codegen/channel_interface.h
index 6fcd5c315c..cf78438117 100644
--- a/include/grpc++/impl/codegen/channel_interface.h
+++ b/include/grpc++/impl/codegen/channel_interface.h
@@ -85,6 +85,16 @@ class ChannelInterface {
     return WaitForStateChangeImpl(last_observed, deadline_tp.raw_time());
   }
 
+  /// Wait for this channel to be connected
+  template <typename T>
+  bool WaitForConnected(T deadline) {
+    grpc_connectivity_state state;
+    while ((state = GetState(true)) != GRPC_CHANNEL_READY) {
+      if (!WaitForStateChange(state, deadline)) return false;
+    }
+    return true;
+  }
+
  private:
   template <class R>
   friend class ::grpc::ClientReader;
diff --git a/include/grpc++/impl/codegen/completion_queue.h b/include/grpc++/impl/codegen/completion_queue.h
index 56864d6d53..1b84b44705 100644
--- a/include/grpc++/impl/codegen/completion_queue.h
+++ b/include/grpc++/impl/codegen/completion_queue.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -222,9 +222,18 @@ class CompletionQueue : private GrpcLibraryCodegen {
 /// A specific type of completion queue used by the processing of notifications
 /// by servers. Instantiated by \a ServerBuilder.
 class ServerCompletionQueue : public CompletionQueue {
+ public:
+  bool IsFrequentlyPolled() { return is_frequently_polled_; }
+
  private:
+  bool is_frequently_polled_;
   friend class ServerBuilder;
-  ServerCompletionQueue() {}
+  /// \param is_frequently_polled Informs the GPRC library about whether the
+  /// server completion queue would be actively polled (by calling Next() or
+  /// AsyncNext()). By default all server completion queues are assumed to be
+  /// frequently polled.
+  ServerCompletionQueue(bool is_frequently_polled = true)
+      : is_frequently_polled_(is_frequently_polled) {}
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/server_builder.h b/include/grpc++/server_builder.h
index c48c86d2b8..54f01d11b5 100644
--- a/include/grpc++/server_builder.h
+++ b/include/grpc++/server_builder.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -122,7 +122,15 @@ class ServerBuilder {
   /// Add a completion queue for handling asynchronous services
   /// Caller is required to keep this completion queue live until
   /// the server is destroyed.
-  std::unique_ptr<ServerCompletionQueue> AddCompletionQueue();
+  ///
+  /// \param is_frequently_polled This is an optional parameter to inform GRPC
+  /// library about whether this completion queue would be frequently polled
+  /// (i.e by calling Next() or AsyncNext()). The default value is 'true' and is
+  /// the recommended setting. Setting this to 'false' (i.e not polling the
+  /// completion queue frequently) will have a significantly negative
+  /// performance impact and hence should not be used in production use cases.
+  std::unique_ptr<ServerCompletionQueue> AddCompletionQueue(
+      bool is_frequently_polled = true);
 
   /// Return a running server which is ready for processing calls.
   std::unique_ptr<Server> BuildAndStart();
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 0ca28c0fef..6f7a67b715 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -334,6 +334,15 @@ GRPCAPI void grpc_server_register_completion_queue(grpc_server *server,
                                                    grpc_completion_queue *cq,
                                                    void *reserved);
 
+/** Register a non-listening completion queue with the server. This API is
+    similar to grpc_server_register_completion_queue except that the server will
+    not use this completion_queue to listen to any incoming channels.
+
+    Registering a non-listening completion queue will have negative performance
+    impact and hence this API is not recommended for production use cases. */
+GRPCAPI void grpc_server_register_non_listening_completion_queue(
+    grpc_server *server, grpc_completion_queue *q, void *reserved);
+
 /** Add a HTTP2 over plaintext over tcp listener.
     Returns bound port number on success, 0 on failure.
     REQUIRES: server not started */
diff --git a/include/grpc/impl/codegen/atm.h b/include/grpc/impl/codegen/atm.h
index 5376026dde..5589d5d411 100644
--- a/include/grpc/impl/codegen/atm.h
+++ b/include/grpc/impl/codegen/atm.h
@@ -83,8 +83,8 @@
 #include <grpc/impl/codegen/atm_gcc_atomic.h>
 #elif defined(GPR_GCC_SYNC)
 #include <grpc/impl/codegen/atm_gcc_sync.h>
-#elif defined(GPR_WIN32_ATOMIC)
-#include <grpc/impl/codegen/atm_win32.h>
+#elif defined(GPR_WINDOWS_ATOMIC)
+#include <grpc/impl/codegen/atm_windows.h>
 #else
 #error could not determine platform for atm
 #endif
diff --git a/include/grpc/impl/codegen/atm_win32.h b/include/grpc/impl/codegen/atm_windows.h
index 7c1ccaf8e2..d5fa8c0f62 100644
--- a/include/grpc/impl/codegen/atm_win32.h
+++ b/include/grpc/impl/codegen/atm_windows.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_IMPL_CODEGEN_ATM_WIN32_H
-#define GRPC_IMPL_CODEGEN_ATM_WIN32_H
+#ifndef GRPC_IMPL_CODEGEN_ATM_WINDOWS_H
+#define GRPC_IMPL_CODEGEN_ATM_WINDOWS_H
 
 /* Win32 variant of atm_platform.h */
 #include <grpc/impl/codegen/port_platform.h>
@@ -122,4 +122,4 @@ static __inline gpr_atm gpr_atm_full_fetch_add(gpr_atm *p, gpr_atm delta) {
   return old;
 }
 
-#endif /* GRPC_IMPL_CODEGEN_ATM_WIN32_H */
+#endif /* GRPC_IMPL_CODEGEN_ATM_WINDOWS_H */
diff --git a/include/grpc/impl/codegen/connectivity_state.h b/include/grpc/impl/codegen/connectivity_state.h
index 5bb9eb8f4e..71865d8a56 100644
--- a/include/grpc/impl/codegen/connectivity_state.h
+++ b/include/grpc/impl/codegen/connectivity_state.h
@@ -49,7 +49,7 @@ typedef enum {
   /** channel has seen a failure but expects to recover */
   GRPC_CHANNEL_TRANSIENT_FAILURE,
   /** channel has seen a failure that it cannot recover from */
-  GRPC_CHANNEL_FATAL_FAILURE
+  GRPC_CHANNEL_SHUTDOWN
 } grpc_connectivity_state;
 
 #ifdef __cplusplus
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index b4ccafd1ab..a209085386 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -115,6 +115,8 @@ typedef struct {
 /* Channel argument keys: */
 /** Enable census for tracing and stats collection */
 #define GRPC_ARG_ENABLE_CENSUS "grpc.census"
+/** Enable load reporting */
+#define GRPC_ARG_ENABLE_LOAD_REPORTING "grpc.loadreporting"
 /** Maximum number of concurrent incoming streams to allow on a http2
     connection */
 #define GRPC_ARG_MAX_CONCURRENT_STREAMS "grpc.max_concurrent_streams"
diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index d2d9ac7808..be4215a54b 100644
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -89,10 +89,10 @@
 #define GPR_ARCH_32 1
 #endif
 #define GPR_PLATFORM_STRING "windows"
-#define GPR_WIN32 1
+#define GPR_WINDOWS 1
 #define GPR_WINSOCK_SOCKET 1
 #define GPR_WINDOWS_SUBPROCESS 1
-#define GPR_WIN32_ENV
+#define GPR_WINDOWS_ENV
 #ifdef __MSYS__
 #define GPR_GETPID_IN_UNISTD_H 1
 #define GPR_MSYS_TMPFILE
@@ -101,17 +101,17 @@
 #define GPR_POSIX_TIME
 #else
 #define GPR_GETPID_IN_PROCESS_H 1
-#define GPR_WIN32_TMPFILE
-#define GPR_WIN32_LOG
+#define GPR_WINDOWS_TMPFILE
+#define GPR_WINDOWS_LOG
 #define GPR_WINDOWS_CRASH_HANDLER 1
-#define GPR_WIN32_STRING
-#define GPR_WIN32_TIME
+#define GPR_WINDOWS_STRING
+#define GPR_WINDOWS_TIME
 #endif
 #ifdef __GNUC__
 #define GPR_GCC_ATOMIC 1
 #define GPR_GCC_TLS 1
 #else
-#define GPR_WIN32_ATOMIC 1
+#define GPR_WINDOWS_ATOMIC 1
 #define GPR_MSVC_TLS 1
 #endif
 #elif defined(GPR_MANYLINUX1)
@@ -386,19 +386,19 @@ typedef unsigned __int64 uint64_t;
 
 /* Validate platform combinations */
 #if defined(GPR_GCC_ATOMIC) + defined(GPR_GCC_SYNC) + \
-        defined(GPR_WIN32_ATOMIC) !=                  \
+        defined(GPR_WINDOWS_ATOMIC) !=                \
     1
-#error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WIN32_ATOMIC
+#error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WINDOWS_ATOMIC
 #endif
 
 #if defined(GPR_ARCH_32) + defined(GPR_ARCH_64) != 1
 #error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64
 #endif
 
-#if defined(GPR_CPU_LINUX) + defined(GPR_CPU_POSIX) + defined(GPR_WIN32) + \
-        defined(GPR_CPU_IPHONE) + defined(GPR_CPU_CUSTOM) !=               \
+#if defined(GPR_CPU_LINUX) + defined(GPR_CPU_POSIX) + defined(GPR_WINDOWS) + \
+        defined(GPR_CPU_IPHONE) + defined(GPR_CPU_CUSTOM) !=                 \
     1
-#error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WIN32, GPR_CPU_IPHONE, GPR_CPU_CUSTOM
+#error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM
 #endif
 
 #if defined(GPR_POSIX_MULTIPOLL_WITH_POLL) && !defined(GPR_POSIX_SOCKET)
diff --git a/include/grpc/impl/codegen/sync.h b/include/grpc/impl/codegen/sync.h
index 6fd7d64b29..5542482ed8 100644
--- a/include/grpc/impl/codegen/sync.h
+++ b/include/grpc/impl/codegen/sync.h
@@ -58,8 +58,8 @@
 
 #if defined(GPR_POSIX_SYNC)
 #include <grpc/impl/codegen/sync_posix.h>
-#elif defined(GPR_WIN32)
-#include <grpc/impl/codegen/sync_win32.h>
+#elif defined(GPR_WINDOWS)
+#include <grpc/impl/codegen/sync_windows.h>
 #elif !defined(GPR_CUSTOM_SYNC)
 #error Unable to determine platform for sync
 #endif
diff --git a/include/grpc/impl/codegen/sync_win32.h b/include/grpc/impl/codegen/sync_windows.h
index bdc43dd99a..aa4e5153da 100644
--- a/include/grpc/impl/codegen/sync_win32.h
+++ b/include/grpc/impl/codegen/sync_windows.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_IMPL_CODEGEN_SYNC_WIN32_H
-#define GRPC_IMPL_CODEGEN_SYNC_WIN32_H
+#ifndef GRPC_IMPL_CODEGEN_SYNC_WINDOWS_H
+#define GRPC_IMPL_CODEGEN_SYNC_WINDOWS_H
 
 #include <grpc/impl/codegen/sync_generic.h>
 
@@ -46,4 +46,4 @@ typedef CONDITION_VARIABLE gpr_cv;
 typedef INIT_ONCE gpr_once;
 #define GPR_ONCE_INIT INIT_ONCE_STATIC_INIT
 
-#endif /* GRPC_IMPL_CODEGEN_SYNC_WIN32_H */
+#endif /* GRPC_IMPL_CODEGEN_SYNC_WINDOWS_H */
diff --git a/include/grpc/support/sync_win32.h b/include/grpc/support/atm_windows.h
index 5631c52974..6aec5b7212 100644
--- a/include/grpc/support/sync_win32.h
+++ b/include/grpc/support/atm_windows.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_SUPPORT_SYNC_WIN32_H
-#define GRPC_SUPPORT_SYNC_WIN32_H
+#ifndef GRPC_SUPPORT_ATM_WINDOWS_H
+#define GRPC_SUPPORT_ATM_WINDOWS_H
 
-#include <grpc/impl/codegen/sync_win32.h>
+#include <grpc/impl/codegen/atm_windows.h>
 
-#endif /* GRPC_SUPPORT_SYNC_WIN32_H */
+#endif /* GRPC_SUPPORT_ATM_WINDOWS_H */
diff --git a/include/grpc/support/log_win32.h b/include/grpc/support/log_windows.h
index e5c25e06fc..12bf8cc1f5 100644
--- a/include/grpc/support/log_win32.h
+++ b/include/grpc/support/log_windows.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_SUPPORT_LOG_WIN32_H
-#define GRPC_SUPPORT_LOG_WIN32_H
+#ifndef GRPC_SUPPORT_LOG_WINDOWS_H
+#define GRPC_SUPPORT_LOG_WINDOWS_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -48,4 +48,4 @@ GPRAPI char *gpr_format_message(int messageid);
 }
 #endif
 
-#endif /* GRPC_SUPPORT_LOG_WIN32_H */
+#endif /* GRPC_SUPPORT_LOG_WINDOWS_H */
diff --git a/include/grpc/support/atm_win32.h b/include/grpc/support/sync_windows.h
index 13526d9f3e..0624e0c3b5 100644
--- a/include/grpc/support/atm_win32.h
+++ b/include/grpc/support/sync_windows.h
@@ -31,9 +31,9 @@
  *
  */
 
-#ifndef GRPC_SUPPORT_ATM_WIN32_H
-#define GRPC_SUPPORT_ATM_WIN32_H
+#ifndef GRPC_SUPPORT_SYNC_WINDOWS_H
+#define GRPC_SUPPORT_SYNC_WINDOWS_H
 
-#include <grpc/impl/codegen/atm_win32.h>
+#include <grpc/impl/codegen/sync_windows.h>
 
-#endif /* GRPC_SUPPORT_ATM_WIN32_H */
+#endif /* GRPC_SUPPORT_SYNC_WINDOWS_H */