Network analysis

-- Error: "PlayerData" is not registered with util.AddNetworkString
net.Start("PlayerData")
net.WriteString("test")
net.Broadcast()

-- Registered on the server
util.AddNetworkString("PlayerData")  -- in a sv_ file or SERVER block

net.Start("PlayerData")
net.WriteString("test")
net.Broadcast()

-- sv_comms.lua: sends "PlayerInfo" to client
net.Start("PlayerInfo")
net.WriteString(ply:Nick())
net.Send(ply)

-- Warning: no net.Receive("PlayerInfo") was found

-- Server writes:
net.Start("EntityData")
net.WriteEntity(ent)   -- WriteEntity first
net.WriteString(name)  -- WriteString second

-- Client reads:
net.Receive("EntityData", function()
    local name = net.ReadString()  -- Reads a string where an entity was written
    local ent  = net.ReadEntity()  -- Reads an entity where a string was written
end)

local netStart = net.Start
local netSend  = net.Broadcast

netStart("MyMessage")
net.WriteString("hello")
netSend()

function MyLib.SendGreeting(messageName, greeting)
    net.Start(messageName)
    net.WriteString(greeting)
    net.SendToServer()
end

local sendGreeting = MyLib.SendGreeting
sendGreeting("Greeting", "hello")