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path: root/tests/modules/socket/tcp/echo_server.lua
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import("core.base.socket")

function main()
    local addr = "127.0.0.1"
    local port = 9001
    local sock = socket.bind(addr, port)
    sock:listen(20)
    local sock_client = nil
    while true do 
        print("%s: listening %s:%d ..", sock, addr, port) 
        local ok = sock:wait(socket.EV_ACPT, -1)
        if ok == socket.EV_ACPT then
            sock_client = sock:accept()
            if sock_client then
                print("%s: accepted", sock_client) 
                local recv, data = sock_client:recv(8192)
                if recv == 0 then
                print("wait ..")
                    ok = sock_client:wait(socket.EV_RECV, -1)
                    print("wait %d", ok)
                    recv, data = sock_client:recv(8192)
                end
                print("%s: recv %d, %s", sock_client, recv, data)
                sock_client:close()
            end
        end
    end
    sock:close()
end