msg_store_t renamed to swap_t

src/Makefile.am

@@ -76,7 +76,6 @@ libzmq_la_SOURCES = \
     lb.hpp \
     likely.hpp \
     msg_content.hpp \
-    msg_store.hpp \
     mutex.hpp \
     named_session.hpp \
     object.hpp \
@@ -105,6 +104,7 @@ libzmq_la_SOURCES = \
     stdint.hpp \
     streamer.hpp \
     sub.hpp \
+    swap.hpp \
     tcp_connecter.hpp \
     tcp_listener.hpp \
     tcp_socket.hpp \
@@ -138,7 +138,6 @@ libzmq_la_SOURCES = \
     ip.cpp \
     kqueue.cpp \
     lb.cpp \
-    msg_store.cpp \
     named_session.cpp \
     object.cpp \
     options.cpp \
@@ -162,6 +161,7 @@ libzmq_la_SOURCES = \
     socket_base.cpp \
     streamer.cpp \
     sub.cpp \
+    swap.cpp \
     tcp_connecter.cpp \
     tcp_listener.cpp \
     tcp_socket.cpp \

src/pipe.cpp

@@ -174,7 +174,7 @@ zmq::writer_t::writer_t (object_t *parent_, pipe_t *pipe_, reader_t *reader_,
 
     //  Open the swap file, if required.
     if (swap_size_ > 0) {
-        swap = new (std::nothrow) msg_store_t (swap_size_);
+        swap = new (std::nothrow) swap_t (swap_size_);
         zmq_assert (swap);
         int rc = swap->init ();
         zmq_assert (rc == 0);

src/pipe.hpp

@@ -25,7 +25,7 @@
 #include "stdint.hpp"
 #include "yarray_item.hpp"
 #include "ypipe.hpp"
-#include "msg_store.hpp"
+#include "swap.hpp"
 #include "config.hpp"
 #include "object.hpp"
 
@@ -183,7 +183,7 @@ namespace zmq
 
         //  Pointer to the message swap. If NULL, messages are always
         //  kept in main memory.
-        msg_store_t *swap;
+        swap_t *swap;
 
         //  Sink for the events (either the socket or the session).
         i_writer_events *sink;

src/msg_store.cpp → src/swap.cpp

@@ -35,11 +35,11 @@
 #include <sstream>
 #include <algorithm>
 
+#include "swap.hpp"
 #include "atomic_counter.hpp"
-#include "msg_store.hpp"
 #include "err.hpp"
 
-zmq::msg_store_t::msg_store_t (int64_t filesize_, size_t block_size_) :
+zmq::swap_t::swap_t (int64_t filesize_, size_t block_size_) :
     fd (-1),
     filesize (filesize_),
     file_pos (0),
@@ -60,7 +60,7 @@ zmq::msg_store_t::msg_store_t (int64_t filesize_, size_t block_size_) :
     read_buf = write_buf = buf1;
 }
 
-zmq::msg_store_t::~msg_store_t ()
+zmq::swap_t::~swap_t ()
 {
     delete [] buf1;
     delete [] buf2;
@@ -83,7 +83,7 @@ zmq::msg_store_t::~msg_store_t ()
     errno_assert (rc == 0);
 }
 
-int zmq::msg_store_t::init ()
+int zmq::swap_t::init ()
 {
     static zmq::atomic_counter_t seqnum (0);
 
@@ -116,7 +116,7 @@ int zmq::msg_store_t::init ()
     return 0;
 }
 
-bool zmq::msg_store_t::store (zmq_msg_t *msg_)
+bool zmq::swap_t::store (zmq_msg_t *msg_)
 {
     size_t msg_size = zmq_msg_size (msg_);
 
@@ -138,7 +138,7 @@ bool zmq::msg_store_t::store (zmq_msg_t *msg_)
     return true;
 }
 
-void zmq::msg_store_t::fetch (zmq_msg_t *msg_)
+void zmq::swap_t::fetch (zmq_msg_t *msg_)
 {
     //  There must be at least one message available.
     zmq_assert (read_pos != write_pos);
@@ -157,12 +157,12 @@ void zmq::msg_store_t::fetch (zmq_msg_t *msg_)
     copy_from_file (zmq_msg_data (msg_), msg_size);
 }
 
-void zmq::msg_store_t::commit ()
+void zmq::swap_t::commit ()
 {
     commit_pos = write_pos;
 }
 
-void zmq::msg_store_t::rollback ()
+void zmq::swap_t::rollback ()
 {
     if (commit_pos == write_pos || read_pos == write_pos)
         return;
@@ -183,17 +183,17 @@ void zmq::msg_store_t::rollback ()
     write_pos = commit_pos;
 }
 
-bool zmq::msg_store_t::empty ()
+bool zmq::swap_t::empty ()
 {
     return read_pos == write_pos;
 }
 
-bool zmq::msg_store_t::full ()
+bool zmq::swap_t::full ()
 {
     return buffer_space () == 1;
 }
 
-void zmq::msg_store_t::copy_from_file (void *buffer_, size_t count_)
+void zmq::swap_t::copy_from_file (void *buffer_, size_t count_)
 {
     char *dest_ptr = (char *) buffer_;
     size_t chunk_size, remainder = count_;
@@ -217,7 +217,7 @@ void zmq::msg_store_t::copy_from_file (void *buffer_, size_t count_)
     }
 }
 
-void zmq::msg_store_t::copy_to_file (const void *buffer_, size_t count_)
+void zmq::swap_t::copy_to_file (const void *buffer_, size_t count_)
 {
     char *source_ptr = (char *) buffer_;
     size_t chunk_size, remainder = count_;
@@ -246,7 +246,7 @@ void zmq::msg_store_t::copy_to_file (const void *buffer_, size_t count_)
     }
 }
 
-void zmq::msg_store_t::fill_buf (char *buf, int64_t pos)
+void zmq::swap_t::fill_buf (char *buf, int64_t pos)
 {
     if (file_pos != pos) {
 #ifdef ZMQ_HAVE_WINDOWS
@@ -272,7 +272,7 @@ void zmq::msg_store_t::fill_buf (char *buf, int64_t pos)
     file_pos += octets_total;
 }
 
-void zmq::msg_store_t::save_write_buf ()
+void zmq::swap_t::save_write_buf ()
 {
     if (file_pos != write_buf_start_addr) {
 #ifdef ZMQ_HAVE_WINDOWS
@@ -298,7 +298,7 @@ void zmq::msg_store_t::save_write_buf ()
     file_pos += octets_total;
 }
 
-int64_t zmq::msg_store_t::buffer_space ()
+int64_t zmq::swap_t::buffer_space ()
 {
     if (write_pos < read_pos)
         return read_pos - write_pos;

src/msg_store.hpp → src/swap.hpp

@@ -17,8 +17,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef __ZMQ_MSG_STORE_HPP_INCLUDED__
-#define __ZMQ_MSG_STORE_HPP_INCLUDED__
+#ifndef __ZMQ_SWAP_HPP_INCLUDED__
+#define __ZMQ_SWAP_HPP_INCLUDED__
 
 #include "../include/zmq.h"
 
@@ -28,38 +28,38 @@
 namespace zmq
 {
 
-    //  This class implements a message store. Messages are retrieved from
-    //  the store in the same order as they entered it.
+    //  This class implements a message swap. Messages are retrieved from
+    //  the swap in the same order as they entered it.
 
-    class msg_store_t
+    class swap_t
     {
     public:
 
         enum { default_block_size = 8192 };
 
-        //  Creates message store.
-        msg_store_t (int64_t filesize_, size_t block_size_ = default_block_size);
+        //  Creates the swap.
+        swap_t (int64_t filesize_, size_t block_size_ = default_block_size);
 
-        ~msg_store_t ();
+        ~swap_t ();
 
         int init ();
 
-        //  Stores the message into the message store. The function
-        //  returns false if the message store is full; true otherwise.
+        //  Stores the message into the swap. The function
+        //  returns false if the swap is full; true otherwise.
         bool store (zmq_msg_t *msg_);
 
-        //  Fetches the oldest message from the message store. It is an error
-        //  to call this function when the message store is empty.
+        //  Fetches the oldest message from the swap. It is an error
+        //  to call this function when the swap is empty.
         void fetch (zmq_msg_t *msg_);
 
         void commit ();
 
         void rollback ();
 
-        //  Returns true if the message store is empty; false otherwise.
+        //  Returns true if the swap is empty; false otherwise.
         bool empty ();
 
-        //  Returns true if and only if the store is full.
+        //  Returns true if and only if the swap is full.
         bool full ();
 
     private: