update bee.net

#2382

Author: sumneko

script/brave/work.lua

@@ -54,7 +54,7 @@ brave.on('loadProtoBySocket', function (param)
 
     function lsmaster:on_data(data)
         lsclient:write(data)
-        lsclient:update()
+        net.update()
     end
 
     while true do

script/proto/proto.lua

@@ -57,7 +57,7 @@ function m.send(data)
         io.write(buf)
     elseif m.mode == 'socket' then
         m.client:write(buf)
-        m.client:update()
+        net.update()
     end
 end
 
@@ -265,7 +265,7 @@ function m.listen(mode, socketPort)
             t:remove()
             m.client = client
             client:write(dummyClient.buf)
-            client:update()
+            net.update()
         end
 
         pub.task('loadProtoBySocket', {

script/service/net.lua

@@ -1,42 +1,39 @@
 local socket = require "bee.socket"
+local select = require "bee.select"
+local selector = select.create()
+local SELECT_READ <const> = select.SELECT_READ
+local SELECT_WRITE <const> = select.SELECT_WRITE
 
-local readfds = {}
-local writefds = {}
-local map = {}
-
-local function FD_SET(set, fd)
-    for i = 1, #set do
-        if fd == set[i] then
-            return
-        end
+local function fd_set_read(s)
+    if s._flags & SELECT_READ ~= 0 then
+        return
     end
-    set[#set+1] = fd
+    s._flags = s._flags | SELECT_READ
+    selector:event_mod(s._fd, s._flags)
 end
 
-local function FD_CLR(set, fd)
-    for i = 1, #set do
-        if fd == set[i] then
-            set[i] = set[#set]
-            set[#set] = nil
-            return
-        end
+local function fd_clr_read(s)
+    if s._flags & SELECT_READ == 0 then
+        return
     end
+    s._flags = s._flags & (~SELECT_READ)
+    selector:event_mod(s._fd, s._flags)
 end
 
-local function fd_set_read(fd)
-    FD_SET(readfds, fd)
-end
-
-local function fd_clr_read(fd)
-    FD_CLR(readfds, fd)
-end
-
-local function fd_set_write(fd)
-    FD_SET(writefds, fd)
+local function fd_set_write(s)
+    if s._flags & SELECT_WRITE ~= 0 then
+        return
+    end
+    s._flags = s._flags | SELECT_WRITE
+    selector:event_mod(s._fd, s._flags)
 end
 
-local function fd_clr_write(fd)
-    FD_CLR(writefds, fd)
+local function fd_clr_write(s)
+    if s._flags & SELECT_WRITE == 0 then
+        return
+    end
+    s._flags = s._flags & (~SELECT_WRITE)
+    selector:event_mod(s._fd, s._flags)
 end
 
 local function on_event(self, name, ...)
@@ -49,8 +46,8 @@ end
 local function close(self)
     local fd = self._fd
     on_event(self, "close")
+    selector:event_del(fd)
     fd:close()
-    map[fd] = nil
 end
 
 local stream_mt = {}
@@ -69,7 +66,7 @@ function stream:write(data)
         return
     end
     if self._writebuf == "" then
-        fd_set_write(self._fd)
+        fd_set_write(self)
     end
     self._writebuf = self._writebuf .. data
 end
@@ -79,35 +76,17 @@ end
 function stream:close()
     if not self.shutdown_r then
         self.shutdown_r = true
-        fd_clr_read(self._fd)
+        fd_clr_read(self)
     end
     if self.shutdown_w or self._writebuf == ""  then
         self.shutdown_w = true
-        fd_clr_write(self._fd)
+        fd_clr_write(self)
         close(self)
     end
 end
-function stream:update(timeout)
-    local fd = self._fd
-    local r = {fd}
-    local w = r
-    if self._writebuf == "" then
-        w = nil
-    end
-    local rd, wr = socket.select(r, w, timeout or 0)
-    if rd then
-        if #rd > 0 then
-            self:select_r()
-        end
-        if #wr > 0 then
-            self:select_w()
-        end
-    end
-end
 local function close_write(self)
-    fd_clr_write(self._fd)
+    fd_clr_write(self)
     if self.shutdown_r then
-        fd_clr_read(self._fd)
         close(self)
     end
 end
@@ -133,26 +112,43 @@ function stream:select_w()
         end
     end
 end
+local function update_stream(s, event)
+    if event & SELECT_READ ~= 0 then
+        s:select_r()
+    end
+    if event & SELECT_WRITE ~= 0 then
+        s:select_w()
+    end
+end
 
 local function accept_stream(fd)
-    local self = setmetatable({
+    local s = setmetatable({
         _fd = fd,
+        _flags = SELECT_READ,
         _event = {},
         _writebuf = "",
         shutdown_r = false,
         shutdown_w = false,
     }, stream_mt)
-    map[fd] = self
-    fd_set_read(fd)
-    return self
-end
-local function connect_stream(self)
-    setmetatable(self, stream_mt)
-    fd_set_read(self._fd)
-    if self._writebuf ~= "" then
-        self:select_w()
+    selector:event_add(fd, SELECT_READ, function (event)
+        update_stream(s, event)
+    end)
+    return s
+end
+local function connect_stream(s)
+    setmetatable(s, stream_mt)
+    selector:event_del(s._fd)
+    if s._writebuf ~= "" then
+        s._flags = SELECT_READ | SELECT_WRITE
+        selector:event_add(s._fd, SELECT_READ | SELECT_WRITE, function (event)
+            update_stream(s, event)
+        end)
+        s:select_w()
     else
-        fd_clr_write(self._fd)
+        s._flags = SELECT_READ
+        selector:event_add(s._fd, SELECT_READ, function (event)
+            update_stream(s, event)
+        end)
     end
 end
 
@@ -170,35 +166,32 @@ function listen:is_closed()
 end
 function listen:close()
     self.shutdown_r = true
-    fd_clr_read(self._fd)
     close(self)
 end
-function listen:update(timeout)
-    local fd = self._fd
-    local r = {fd}
-    local rd = socket.select(r, nil, timeout or 0)
-    if rd then
-        if #rd > 0 then
-            self:select_r()
-        end
-    end
-end
-function listen:select_r()
-    local newfd = self._fd:accept()
-    if newfd:status() then
-        local news = accept_stream(newfd)
-        on_event(self, "accept", news)
-    end
-end
 local function new_listen(fd)
     local s = {
         _fd = fd,
+        _flags = SELECT_READ,
         _event = {},
         shutdown_r = false,
         shutdown_w = true,
     }
-    map[fd] = s
-    fd_set_read(fd)
+    selector:event_add(fd, SELECT_READ, function ()
+        local newfd, err = fd:accept()
+        if not newfd then
+            on_event(s, "error", err)
+            return
+        end
+        local ok, err = newfd:status()
+        if not ok then
+            on_event(s, "error", err)
+            return
+        end
+        if newfd:status() then
+            local news = accept_stream(newfd)
+            on_event(s, "accept", news)
+        end
+    end)
     return setmetatable(s, listen_mt)
 end
 
@@ -221,39 +214,27 @@ function connect:is_closed()
 end
 function connect:close()
     self.shutdown_w = true
-    fd_clr_write(self._fd)
     close(self)
 end
-function connect:update(timeout)
-    local fd = self._fd
-    local w = {fd}
-    local rd, wr = socket.select(nil, w, timeout or 0)
-    if rd then
-        if #wr > 0 then
-            self:select_w()
-        end
-    end
-end
-function connect:select_w()
-    local ok, err = self._fd:status()
-    if ok then
-        connect_stream(self)
-        on_event(self, "connect")
-    else
-        on_event(self, "error", err)
-        self:close()
-    end
-end
 local function new_connect(fd)
     local s = {
         _fd = fd,
+        _flags = SELECT_WRITE,
         _event = {},
         _writebuf = "",
         shutdown_r = false,
         shutdown_w = false,
     }
-    map[fd] = s
-    fd_set_write(fd)
+    selector:event_add(fd, SELECT_WRITE, function ()
+        local ok, err = fd:status()
+        if ok then
+            connect_stream(s)
+            on_event(s, "connect")
+        else
+            on_event(s, "error", err)
+            s:close()
+        end
+    end)
     return setmetatable(s, connect_mt)
 end
 
@@ -293,18 +274,8 @@ function m.connect(protocol, ...)
 end
 
 function m.update(timeout)
-    local rd, wr = socket.select(readfds, writefds, timeout or 0)
-    if rd then
-        for i = 1, #rd do
-            local fd = rd[i]
-            local s = map[fd]
-            s:select_r()
-        end
-        for i = 1, #wr do
-            local fd = wr[i]
-            local s = map[fd]
-            s:select_w()
-        end
+    for func, event in selector:wait(timeout or 0) do
+        func(event)
     end
 end