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Bug in usocket_recv...

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This commit is contained in:
Diego Nehab 2003-06-30 06:10:02 +00:00
parent bd54cd42d4
commit 167727be3c
4 changed files with 62 additions and 52 deletions
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42
samples/tinyirc.lua
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@ -6,7 +6,7 @@
-----------------------------------------------------------------------------
host = host or "*"
port1 = port1 or 8080
port2 = port2 or 8081
port2 = port2 or 8181
if arg then
host = arg[1] or host
port1 = arg[2] or port1
@ -15,11 +15,16 @@ end
server1, error = socket.bind(host, port1)
assert(server1, error)
server1:timeout(1)
server1:timeout(1) -- make sure we don't block in accept
server2, error = socket.bind(host, port2)
assert(server2, error)
server2:timeout(1)
server2:timeout(1) -- make sure we don't block in accept
io.write("Servers bound\n")
-- simple set implementation
-- the select function doesn't care about what is passed to it as long as
-- it behaves like a table
function newset()
local reverse = {}
local set = {}
@ -32,46 +37,43 @@ function newset()
table.remove(set, reverse[value])
reverse[value] = nil
end,
id = function(set, value)
return reverse[value]
end
}})
return set
end
sockets = newset()
set = newset()
sockets:insert(server1)
sockets:insert(server2)
io.write("Inserting servers in set\n")
set:insert(server1)
set:insert(server2)
while 1 do
local readable, _, error = socket.select(sockets, nil)
local readable, _, error = socket.select(set, nil)
for _, input in readable do
-- is it a server socket?
local id = sockets:id(input)
if input == server1 or input == server2 then
io.write("Waiting for clients\n")
local new = input:accept()
if new then
new:timeout(1)
sockets:insert(new)
io.write("Server ", id, " got client ", sockets:id(new), "\n")
io.write("Inserting client in set\n")
set:insert(new)
end
-- it is a client socket
else
local line, error = input:receive()
if error then
input:close()
io.write("Removing client ", id, "\n")
sockets:remove(input)
io.write("Removing client from set\n")
set:remove(input)
else
io.write("Broadcasting line '", id, "> ", line, "'.\n")
__, writable, error = socket.select(nil, sockets, 1)
io.write("Broadcasting line '", line, "'\n")
__, writable, error = socket.select(nil, set, 1)
if not error then
for ___, output in writable do
io.write("Sending to client ", sockets:id(output), "\n")
output:send(id, "> ", line, "\r\n")
output:send(line .. "\n")
end
else io.write("No one ready to listen!!!\n") end
else io.write("No client ready to receive!!!\n") end
end
end
end