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phoenix
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Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
View advisories
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Files
lib/phoenix/socket/message.ex
defmodule Phoenix.Socket.Message do
@moduledoc """
Defines a message dispatched over transport to channels and vice-versa.
The message format requires the following keys:
* `topic` - The string topic or topic:subtopic pair namespace, for
example "messages", "messages:123"
* `event`- The string event name, for example "phx_join"
* `payload` - The message payload
* `ref` - The unique string ref
"""
@type t :: %Phoenix.Socket.Message{}
defstruct topic: nil, event: nil, payload: nil, ref: nil
@doc """
Converts a map with string keys into a message struct.
Raises `Phoenix.Socket.InvalidMessageError` if not valid.
"""
def from_map!(map) when is_map(map) do
try do
%Phoenix.Socket.Message{
topic: Map.fetch!(map, "topic"),
event: Map.fetch!(map, "event"),
payload: Map.fetch!(map, "payload"),
ref: Map.fetch!(map, "ref")
}
rescue
err in [KeyError] ->
raise Phoenix.Socket.InvalidMessageError, message: "missing key #{inspect err.key}"
end
end
end
defmodule Phoenix.Socket.Reply do
@moduledoc """
Defines a reply sent from channels to transports.
The message format requires the following keys:
* `topic` - The string topic or topic:subtopic pair namespace, for example "messages", "messages:123"
* `status` - The reply status as an atom
* `payload` - The reply payload
* `ref` - The unique string ref
"""
@type t :: %Phoenix.Socket.Reply{}
defstruct topic: nil, status: nil, payload: nil, ref: nil
end
defmodule Phoenix.Socket.Broadcast do
@moduledoc """
Defines a message sent from pubsub to channels and vice-versa.
The message format requires the following keys:
* `topic` - The string topic or topic:subtopic pair namespace, for example "messages", "messages:123"
* `event`- The string event name, for example "phx_join"
* `payload` - The message payload
"""
@type t :: %Phoenix.Socket.Broadcast{}
defstruct topic: nil, event: nil, payload: nil
end