diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/grpc++/impl/sync_no_cxx11.h | 6 | ||||
-rw-r--r-- | include/grpc++/impl/thd_no_cxx11.h | 4 | ||||
-rw-r--r-- | include/grpc++/server_context.h | 4 | ||||
-rw-r--r-- | include/grpc/census.h | 95 |
4 files changed, 106 insertions, 3 deletions
diff --git a/include/grpc++/impl/sync_no_cxx11.h b/include/grpc++/impl/sync_no_cxx11.h index 5636373b81..dda939bf71 100644 --- a/include/grpc++/impl/sync_no_cxx11.h +++ b/include/grpc++/impl/sync_no_cxx11.h @@ -76,9 +76,9 @@ class lock_guard { template <class mutex> class unique_lock : public lock_guard<mutex> { public: - unique_lock(mutex &mu) : lock_guard(mu) { } - void lock() { lock_internal(); } - void unlock() { unlock_internal(); } + unique_lock(mutex &mu) : lock_guard<mutex>(mu) { } + void lock() { this->lock_internal(); } + void unlock() { this->unlock_internal(); } }; class condition_variable { diff --git a/include/grpc++/impl/thd_no_cxx11.h b/include/grpc++/impl/thd_no_cxx11.h index a01b931df8..a6bdd7dfe9 100644 --- a/include/grpc++/impl/thd_no_cxx11.h +++ b/include/grpc++/impl/thd_no_cxx11.h @@ -82,6 +82,10 @@ class thread { thread_function_base *func_; gpr_thd_id thd_; bool joined_; + + // Disallow copy and assign. + thread(const thread&); + void operator=(const thread&); }; } // namespace grpc diff --git a/include/grpc++/server_context.h b/include/grpc++/server_context.h index a62babd931..d88a3ae262 100644 --- a/include/grpc++/server_context.h +++ b/include/grpc++/server_context.h @@ -106,6 +106,10 @@ class ServerContext { template <class R, class W> friend class ::grpc::ServerReaderWriter; + // Prevent copying. + ServerContext(const ServerContext&); + ServerContext& operator=(const ServerContext&); + class CompletionOp; void BeginCompletionOp(Call* call); diff --git a/include/grpc/census.h b/include/grpc/census.h new file mode 100644 index 0000000000..5f08c10032 --- /dev/null +++ b/include/grpc/census.h @@ -0,0 +1,95 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* RPC-internal Census API's. These are designed to be generic enough that + * they can (ultimately) be used in many different RPC systems (with differing + * implementations). */ + +#ifndef CENSUS_CENSUS_H +#define CENSUS_CENSUS_H + +#include <grpc/grpc.h> + +/* Identify census functionality that can be enabled via census_initialize(). */ +enum census_functions { + CENSUS_NONE = 0, /* Do not enable census. */ + CENSUS_TRACING = 1, /* Enable census tracing. */ + CENSUS_STATS = 2, /* Enable Census stats collection. */ + CENSUS_CPU = 4, /* Enable Census CPU usage collection. */ + CENSUS_ALL = CENSUS_TRACING | CENSUS_STATS | CENSUS_CPU +}; + +/* Shutdown and startup census subsystem. The 'functions' argument should be + * the OR (|) of census_functions values. If census fails to initialize, then + * census_initialize() will return a non-zero value. It is an error to call + * census_initialize() more than once (without an intervening + * census_shutdown()). */ +int census_initialize(int functions); +void census_shutdown(); + +/* Internally, Census relies on a context, which should be propagated across + * RPC's. From the RPC subsystems viewpoint, this is an opaque data structure. + * A context must be used as the first argument to all other census + * functions. Conceptually, contexts should be thought of as specific to + * single RPC/thread. The context can be serialized for passing across the + * wire. */ +typedef struct census_context census_context; + +/* This function is called by the RPC subsystem whenever it needs to get a + * serialized form of the current census context (presumably to pass across + * the wire). Arguments: + * 'buffer': pointer to memory into which serialized context will be placed + * 'buf_size': size of 'buffer' + * + * Returns: the number of bytes used in buffer if successful, or 0 if the + * buffer is of insufficient size. + * + * TODO(aveitch): determine how best to communicate required/max buffer size + * so caller doesn't have to guess. */ +size_t census_context_serialize(const census_context *context, char *buffer, + size_t buf_size); + +/* Create a new census context, possibly from a serialized buffer. If 'buffer' + * is non-NULL, it is assumed that it is a buffer encoded by + * census_context_serialize(). If `buffer` is NULL, a new, empty context is + * created. The decoded/new contest is returned in 'context'. + * + * Returns 0 if no errors, non-zero if buffer is incorrectly formatted, in + * which case a new empty context will be returned. */ +int census_context_deserialize(const char *buffer, census_context **context); + +/* The given context is destroyed. Once destroyed, using the context in + * future census calls will result in undefined behavior. */ +void census_context_destroy(census_context *context); + +#endif /* CENSUS_CENSUS_H */ |