modify producer-consumer policy flag

README.md

@@ -9,7 +9,7 @@ A high-performance inter-process communication using shared memory on Linux/Wind
  * 除STL外，无其他依赖
  * 无锁（lock-free）或轻量级spin-lock
  * 底层数据结构为循环数组（circular array）
- * `ipc::route`支持单生产多消费，`ipc::channel`支持多生产多消费
+ * `ipc::route`支持单写多读，`ipc::channel`支持多写多读
  
 ## Usage
 

build/test.pro

@@ -13,8 +13,7 @@ DESTDIR = ../output
     -Wno-attributes \
     -Wno-missing-field-initializers \
     -Wno-unused-variable \
-    -Wno-unused-function \
-    -Wno-class-memaccess
+    -Wno-unused-function
 
 INCLUDEPATH += \
     ../test \

build/test/CMakeLists.txt

@@ -6,7 +6,7 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 find_package(Qt5 COMPONENTS Core Test REQUIRED)
 
 if(NOT MSVC)
-  add_compile_options(-Wno-attributes -Wno-missing-field-initializers -Wno-unused-variable -Wno-unused-function -Wno-class-memaccess)
+  add_compile_options(-Wno-attributes -Wno-missing-field-initializers -Wno-unused-variable -Wno-unused-function)
 endif()
 
 include_directories(../../include ../../src ../../test ../../test/capo)

include/def.h

@@ -44,10 +44,10 @@ enum class trans { // transmission
 // producer-consumer policy flag
 
 template <relat Rp, relat Rc, trans Ts>
-struct prod_cons {};
+struct wr {};
 
 // implement with multi routes
-struct prod_cons_routes {};
+struct wr_routes {};
 
 // concept helpers
 

include/ipc.h

@@ -14,7 +14,7 @@ using handle_t = void*;
 using buff_t   = buffer;
 
 template <typename Flag>
-struct IPC_EXPORT channel_detail {
+struct IPC_EXPORT chan_impl {
     static handle_t connect   (char const * name);
     static void     disconnect(handle_t h);
 
@@ -26,7 +26,7 @@ struct IPC_EXPORT channel_detail {
 };
 
 template <>
-struct IPC_EXPORT channel_detail<prod_cons_routes> {
+struct IPC_EXPORT chan_impl<wr_routes> {
     static handle_t connect   (char const * name);
     static void     disconnect(handle_t h);
 
@@ -38,34 +38,34 @@ struct IPC_EXPORT channel_detail<prod_cons_routes> {
 };
 
 template <typename Flag>
-class channel_impl {
+class chan_wrapper {
 private:
-    using detail_t = channel_detail<Flag>;
+    using detail_t = chan_impl<Flag>;
 
     handle_t    h_ = nullptr;
     std::string n_;
 
 public:
-    channel_impl() = default;
+    chan_wrapper() = default;
 
-    explicit channel_impl(char const * name) {
+    explicit chan_wrapper(char const * name) {
         this->connect(name);
     }
 
-    channel_impl(channel_impl&& rhs) {
+    chan_wrapper(chan_wrapper&& rhs) {
         swap(rhs);
     }
 
-    ~channel_impl() {
+    ~chan_wrapper() {
         disconnect();
     }
 
-    void swap(channel_impl& rhs) {
+    void swap(chan_wrapper& rhs) {
         std::swap(h_, rhs.h_);
         n_.swap(rhs.n_);
     }
 
-    channel_impl& operator=(channel_impl rhs) {
+    chan_wrapper& operator=(chan_wrapper rhs) {
         swap(rhs);
         return *this;
     }
@@ -82,8 +82,8 @@ public:
         return (handle() != nullptr);
     }
 
-    channel_impl clone() const {
-        return channel_impl { name() };
+    chan_wrapper clone() const {
+        return chan_wrapper { name() };
     }
 
     bool connect(char const * name) {
@@ -109,7 +109,7 @@ public:
     }
 
     static bool wait_for_recv(char const * name, std::size_t r_count) {
-        return channel_impl(name).wait_for_recv(r_count);
+        return chan_wrapper(name).wait_for_recv(r_count);
     }
 
     bool send(void const * data, std::size_t size) {
@@ -129,6 +129,9 @@ public:
     }
 };
 
+template <typename Flag>
+using chan = chan_wrapper<Flag>;
+
 /*
  * class route
  *
@@ -137,19 +140,19 @@ public:
  * would receive your sent messages.
  *
  * A route could only be used in 1 to N
- * (one producer/server/sender to multi consumers/clients/receivers)
+ * (one producer/writer to multi consumers/readers)
 */
 
-using route = channel_impl<ipc::prod_cons<relat::single, relat::multi, trans::broadcast>>;
+using route = chan<ipc::wr<relat::single, relat::multi, trans::broadcast>>;
 
 /*
  * class channel
  *
- * You could use multi producers/servers/senders for sending messages to a channel,
- * then all the consumers/clients/receivers which are receiving with this channel,
+ * You could use multi producers/writers for sending messages to a channel,
+ * then all the consumers/readers which are receiving with this channel,
  * would receive your sent messages.
 */
 
-using channel = channel_impl<ipc::prod_cons<relat::multi, relat::multi, trans::broadcast>>;
+using channel = chan<ipc::wr<relat::multi, relat::multi, trans::broadcast>>;
 
 } // namespace ipc

src/channel.cpp

@@ -88,26 +88,26 @@ struct ch_multi_routes {
 
 namespace ipc {
 
-ipc::handle_t channel_detail<prod_cons_routes>::connect(char const * /*name*/) {
+ipc::handle_t chan_impl<wr_routes>::connect(char const * /*name*/) {
     return nullptr;
 }
 
-void channel_detail<prod_cons_routes>::disconnect(ipc::handle_t /*h*/) {
+void chan_impl<wr_routes>::disconnect(ipc::handle_t /*h*/) {
 }
 
-std::size_t channel_detail<prod_cons_routes>::recv_count(ipc::handle_t /*h*/) {
+std::size_t chan_impl<wr_routes>::recv_count(ipc::handle_t /*h*/) {
     return 0;
 }
 
-bool channel_detail<prod_cons_routes>::wait_for_recv(ipc::handle_t /*h*/, std::size_t /*r_count*/) {
+bool chan_impl<wr_routes>::wait_for_recv(ipc::handle_t /*h*/, std::size_t /*r_count*/) {
     return false;
 }
 
-bool channel_detail<prod_cons_routes>::send(ipc::handle_t /*h*/, void const * /*data*/, std::size_t /*size*/) {
+bool chan_impl<wr_routes>::send(ipc::handle_t /*h*/, void const * /*data*/, std::size_t /*size*/) {
     return false;
 }
 
-buff_t channel_detail<prod_cons_routes>::recv(ipc::handle_t /*h*/) {
+buff_t chan_impl<wr_routes>::recv(ipc::handle_t /*h*/) {
     return {};
 }
 

src/ipc.cpp

@@ -214,39 +214,39 @@ using policy_t = policy::choose<circ::elem_array, Flag>;
 namespace ipc {
 
 template <typename Flag>
-ipc::handle_t channel_detail<Flag>::connect(char const * name) {
+ipc::handle_t chan_impl<Flag>::connect(char const * name) {
     return detail_impl<policy_t<Flag>>::connect(name);
 }
 
 template <typename Flag>
-void channel_detail<Flag>::disconnect(ipc::handle_t h) {
+void chan_impl<Flag>::disconnect(ipc::handle_t h) {
     detail_impl<policy_t<Flag>>::disconnect(h);
 }
 
 template <typename Flag>
-std::size_t channel_detail<Flag>::recv_count(ipc::handle_t h) {
+std::size_t chan_impl<Flag>::recv_count(ipc::handle_t h) {
     return detail_impl<policy_t<Flag>>::recv_count(h);
 }
 
 template <typename Flag>
-bool channel_detail<Flag>::wait_for_recv(ipc::handle_t h, std::size_t r_count) {
+bool chan_impl<Flag>::wait_for_recv(ipc::handle_t h, std::size_t r_count) {
     return detail_impl<policy_t<Flag>>::wait_for_recv(h, r_count);
 }
 
 template <typename Flag>
-bool channel_detail<Flag>::send(ipc::handle_t h, void const * data, std::size_t size) {
+bool chan_impl<Flag>::send(ipc::handle_t h, void const * data, std::size_t size) {
     return detail_impl<policy_t<Flag>>::send(h, data, size);
 }
 
 template <typename Flag>
-buff_t channel_detail<Flag>::recv(ipc::handle_t h) {
+buff_t chan_impl<Flag>::recv(ipc::handle_t h) {
     return detail_impl<policy_t<Flag>>::recv(h);
 }
 
-template struct channel_detail<ipc::prod_cons<relat::single, relat::single, trans::unicast  >>;
-template struct channel_detail<ipc::prod_cons<relat::single, relat::multi , trans::unicast  >>;
-template struct channel_detail<ipc::prod_cons<relat::multi , relat::multi , trans::unicast  >>;
-template struct channel_detail<ipc::prod_cons<relat::single, relat::multi , trans::broadcast>>;
-template struct channel_detail<ipc::prod_cons<relat::multi , relat::multi , trans::broadcast>>;
+template struct chan_impl<ipc::wr<relat::single, relat::single, trans::unicast  >>;
+template struct chan_impl<ipc::wr<relat::single, relat::multi , trans::unicast  >>;
+template struct chan_impl<ipc::wr<relat::multi , relat::multi , trans::unicast  >>;
+template struct chan_impl<ipc::wr<relat::single, relat::multi , trans::broadcast>>;
+template struct chan_impl<ipc::wr<relat::multi , relat::multi , trans::broadcast>>;
 
 } // namespace ipc

src/prod_cons.h

@@ -19,7 +19,7 @@ template <typename Flag>
 struct prod_cons_impl;
 
 template <>
-struct prod_cons_impl<prod_cons<relat::single, relat::single, trans::unicast>> {
+struct prod_cons_impl<wr<relat::single, relat::single, trans::unicast>> {
     std::atomic<circ::u2_t> rd_; // read index
     std::atomic<circ::u2_t> wt_; // write index
 
@@ -63,8 +63,8 @@ struct prod_cons_impl<prod_cons<relat::single, relat::single, trans::unicast>> {
 };
 
 template <>
-struct prod_cons_impl<prod_cons<relat::single, relat::multi , trans::unicast>>
-     : prod_cons_impl<prod_cons<relat::single, relat::single, trans::unicast>> {
+struct prod_cons_impl<wr<relat::single, relat::multi , trans::unicast>>
+     : prod_cons_impl<wr<relat::single, relat::single, trans::unicast>> {
 
     template <typename E, typename F, typename EB>
     bool pop(E* /*elems*/, circ::u2_t& /*cur*/, F&& f, EB* elem_start) {
@@ -86,8 +86,8 @@ struct prod_cons_impl<prod_cons<relat::single, relat::multi , trans::unicast>>
 };
 
 template <>
-struct prod_cons_impl<prod_cons<relat::multi , relat::multi, trans::unicast>>
-     : prod_cons_impl<prod_cons<relat::single, relat::multi, trans::unicast>> {
+struct prod_cons_impl<wr<relat::multi , relat::multi, trans::unicast>>
+     : prod_cons_impl<wr<relat::single, relat::multi, trans::unicast>> {
 
     std::atomic<circ::u2_t> ct_; // commit index
 
@@ -118,7 +118,7 @@ struct prod_cons_impl<prod_cons<relat::multi , relat::multi, trans::unicast>>
 };
 
 template <>
-struct prod_cons_impl<prod_cons<relat::single, relat::multi, trans::broadcast>> {
+struct prod_cons_impl<wr<relat::single, relat::multi, trans::broadcast>> {
     std::atomic<circ::u2_t> wt_; // write index
 
 #if __cplusplus >= 201703L
@@ -180,8 +180,8 @@ struct prod_cons_impl<prod_cons<relat::single, relat::multi, trans::broadcast>>
 };
 
 template <>
-struct prod_cons_impl<prod_cons<relat::multi , relat::multi, trans::broadcast>>
-     : prod_cons_impl<prod_cons<relat::single, relat::multi, trans::broadcast>> {
+struct prod_cons_impl<wr<relat::multi , relat::multi, trans::broadcast>>
+     : prod_cons_impl<wr<relat::single, relat::multi, trans::broadcast>> {
 
     std::atomic<circ::u2_t> ct_; // commit index
 

test/test_circ.cpp

@@ -21,7 +21,7 @@ struct msg_t {
 };
 
 template <ipc::relat Rp, ipc::relat Rc, ipc::trans Ts>
-using pc_t = ipc::prod_cons_impl<ipc::prod_cons<Rp, Rc, Ts>>;
+using pc_t = ipc::prod_cons_impl<ipc::wr<Rp, Rc, Ts>>;
 
 template <std::size_t DataSize, typename Policy>
 struct ea_t : public ipc::circ::elem_array<Policy, DataSize> {
@@ -372,7 +372,7 @@ void Unit::test_prod_cons_performance() {
 void Unit::test_queue() {
     using queue_t = ipc::queue<msg_t, ipc::policy::choose<
             ipc::circ::elem_array,
-            ipc::prod_cons<ipc::relat::single, ipc::relat::multi, ipc::trans::broadcast>
+            ipc::wr<ipc::relat::single, ipc::relat::multi, ipc::trans::broadcast>
     >>;
     queue_t queue;