From a4159a516c0fecd3701da2c12265873ca7dabcd8 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sat, 1 Jan 2011 20:01:26 +0000
Subject: tcp_listen can act as out module now

git-svn-id: https://svn.spreadspace.org/gcsd/trunk@95 ac14a137-c7f1-4531-abe0-07747231d213
---
 TODO                       |  2 --
 src/main_loop.lua          |  4 ++--
 src/modules/tcp_listen.lua | 24 ++++++++++++++++++++++--
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/TODO b/TODO
index 33e9d70..2cb4a2a 100644
--- a/TODO
+++ b/TODO
@@ -15,8 +15,6 @@ Modules:
    - PTY
    - FIFO (named pipe)
    - SSL
- * tcp_listen
-   - make it an INOUT module (only single client allowed when runtype == OUT!?)
  * tcp_connect
    - reconnect after connection loss
    - try all resolved remote addressess (also at reconnect)
diff --git a/src/main_loop.lua b/src/main_loop.lua
index 318edfd..f80cf00 100644
--- a/src/main_loop.lua
+++ b/src/main_loop.lua
@@ -37,7 +37,7 @@ function get_readables()
          table.insert(readables, fd)
       end
    end
-   for _, fd  in ipairs(module_list.output.get_read_handles()) do
+   for _, fd  in ipairs(module_list.output:get_read_handles()) do
       table.insert(readables, fd)
    end
    for _, client in ipairs(client_list.clients) do
@@ -56,7 +56,7 @@ function get_writeables()
          table.insert(writeables, fd)
       end
    end
-   for _, fd  in ipairs(module_list.output.get_write_handles()) do
+   for _, fd  in ipairs(module_list.output:get_write_handles()) do
       table.insert(writeables, fd)
    end
    for _, client in ipairs(client_list.clients) do
diff --git a/src/modules/tcp_listen.lua b/src/modules/tcp_listen.lua
index 47a97cd..f6d3854 100644
--- a/src/modules/tcp_listen.lua
+++ b/src/modules/tcp_listen.lua
@@ -32,7 +32,7 @@
 
 -- tcp_listen module class
 local tcp_listen = {}
-tcp_listen.properties = { type=defines.IN_MODULE, name="tcp-listen", max_instances=-1 }
+tcp_listen.properties = { type=defines.INOUT_MODULE, name="tcp-listen", max_instances=-1 }
 tcp_listen.defaults = { port = "1234" }
 tcp_listen.next_id = 0
 
@@ -49,7 +49,14 @@ function tcp_listen:new(config, runtype)
       inst.name = config.name
    end
    if(not config.port) then config.port = self.defaults.port end
-   config.max_clients = tonumber(config.max_clients)
+   if(runtype == defines.OUT_MODULE) then
+      if(config.max_clients) then
+         log.printf(log.WARNING, "%s: module running as output, ignoring max_clients parameter", inst.name)
+      end
+      config.max_clients = 1
+   else
+      config.max_clients = tonumber(config.max_clients)
+   end
    inst.client_cnt = 0
 
    local lst, err = tcp.server(config.addr, config.port, config.resolv_type)
@@ -57,6 +64,7 @@ function tcp_listen:new(config, runtype)
       return nil
    end
 
+   inst.outclient = nil
    inst.listeners = lst
    for _, l in ipairs(inst.listeners) do
       log.printf(log.NOTICE, "%s: listening on %s", inst.name, tcp.endtostring(l.local_end))
@@ -136,9 +144,14 @@ function tcp_listen:new(config, runtype)
          function client:cleanup()
             inst.client_cnt = inst.client_cnt - 1
             rawio.close(client_handle.fd)
+            inst.outhandle = nil
          end
          client_handle.client_instance = client
          client_list:register(client)
+         if(inst.config.runtype == defines.OUT_MODULE) then
+            inst.outhandle = client_handle
+         end
+
          return defines.OK
       end
       function l:write() return defines.OK end
@@ -156,6 +169,13 @@ function tcp_listen:new(config, runtype)
    function inst:get_write_handles()
       return {}
    end
+   function inst:start_command(command)
+      if(inst.outhandle) then
+         inst.outhandle.out_buffer = command
+      else
+         command_queue:command_sent()
+      end
+   end
    setmetatable(inst, {})
    getmetatable(inst).__gc = function() inst:cleanup() end
 
-- 
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