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added ConnectionState.cs

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Garry Newman 2019-05-03 15:06:50 +01:00
parent 14c5bace46
commit 00bdc717c6
2 changed files with 108 additions and 106 deletions
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107
Facepunch.Steamworks/Enum/ConnectionState.cs Normal file
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@ -0,0 +1,107 @@
namespace Steamworks.Data
{
/// High level connection status
public enum ConnectionState
{
/// Dummy value used to indicate an error condition in the API.
/// Specified connection doesn't exist or has already been closed.
None = 0,
/// We are trying to establish whether peers can talk to each other,
/// whether they WANT to talk to each other, perform basic auth,
/// and exchange crypt keys.
///
/// - For connections on the "client" side (initiated locally):
/// We're in the process of trying to establish a connection.
/// Depending on the connection type, we might not know who they are.
/// Note that it is not possible to tell if we are waiting on the
/// network to complete handshake packets, or for the application layer
/// to accept the connection.
///
/// - For connections on the "server" side (accepted through listen socket):
/// We have completed some basic handshake and the client has presented
/// some proof of identity. The connection is ready to be accepted
/// using AcceptConnection().
///
/// In either case, any unreliable packets sent now are almost certain
/// to be dropped. Attempts to receive packets are guaranteed to fail.
/// You may send messages if the send mode allows for them to be queued.
/// but if you close the connection before the connection is actually
/// established, any queued messages will be discarded immediately.
/// (We will not attempt to flush the queue and confirm delivery to the
/// remote host, which ordinarily happens when a connection is closed.)
Connecting = 1,
/// Some connection types use a back channel or trusted 3rd party
/// for earliest communication. If the server accepts the connection,
/// then these connections switch into the rendezvous state. During this
/// state, we still have not yet established an end-to-end route (through
/// the relay network), and so if you send any messages unreliable, they
/// are going to be discarded.
FindingRoute = 2,
/// We've received communications from our peer (and we know
/// who they are) and are all good. If you close the connection now,
/// we will make our best effort to flush out any reliable sent data that
/// has not been acknowledged by the peer. (But note that this happens
/// from within the application process, so unlike a TCP connection, you are
/// not totally handing it off to the operating system to deal with it.)
Connected = 3,
/// Connection has been closed by our peer, but not closed locally.
/// The connection still exists from an API perspective. You must close the
/// handle to free up resources. If there are any messages in the inbound queue,
/// you may retrieve them. Otherwise, nothing may be done with the connection
/// except to close it.
///
/// This stats is similar to CLOSE_WAIT in the TCP state machine.
ClosedByPeer = 4,
/// A disruption in the connection has been detected locally. (E.g. timeout,
/// local internet connection disrupted, etc.)
///
/// The connection still exists from an API perspective. You must close the
/// handle to free up resources.
///
/// Attempts to send further messages will fail. Any remaining received messages
/// in the queue are available.
ProblemDetectedLocally = 5,
//
// The following values are used internally and will not be returned by any API.
// We document them here to provide a little insight into the state machine that is used
// under the hood.
//
/// We've disconnected on our side, and from an API perspective the connection is closed.
/// No more data may be sent or received. All reliable data has been flushed, or else
/// we've given up and discarded it. We do not yet know for sure that the peer knows
/// the connection has been closed, however, so we're just hanging around so that if we do
/// get a packet from them, we can send them the appropriate packets so that they can
/// know why the connection was closed (and not have to rely on a timeout, which makes
/// it appear as if something is wrong).
FinWait = -1,
/// We've disconnected on our side, and from an API perspective the connection is closed.
/// No more data may be sent or received. From a network perspective, however, on the wire,
/// we have not yet given any indication to the peer that the connection is closed.
/// We are in the process of flushing out the last bit of reliable data. Once that is done,
/// we will inform the peer that the connection has been closed, and transition to the
/// FinWait state.
///
/// Note that no indication is given to the remote host that we have closed the connection,
/// until the data has been flushed. If the remote host attempts to send us data, we will
/// do whatever is necessary to keep the connection alive until it can be closed properly.
/// But in fact the data will be discarded, since there is no way for the application to
/// read it back. Typically this is not a problem, as application protocols that utilize
/// the lingering functionality are designed for the remote host to wait for the response
/// before sending any more data.
Linger = -2,
/// Connection is completely inactive and ready to be destroyed
Dead = -3,
Force32Bit = 0x7fffffff
};
}

107
Facepunch.Steamworks/Enum/SteamNetworking.cs
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@ -101,109 +101,4 @@
Force32Bit = 0x7fffffff Force32Bit = 0x7fffffff
} }
}
/// High level connection status
public enum ConnectionState
{
/// Dummy value used to indicate an error condition in the API.
/// Specified connection doesn't exist or has already been closed.
None = 0,
/// We are trying to establish whether peers can talk to each other,
/// whether they WANT to talk to each other, perform basic auth,
/// and exchange crypt keys.
///
/// - For connections on the "client" side (initiated locally):
/// We're in the process of trying to establish a connection.
/// Depending on the connection type, we might not know who they are.
/// Note that it is not possible to tell if we are waiting on the
/// network to complete handshake packets, or for the application layer
/// to accept the connection.
///
/// - For connections on the "server" side (accepted through listen socket):
/// We have completed some basic handshake and the client has presented
/// some proof of identity. The connection is ready to be accepted
/// using AcceptConnection().
///
/// In either case, any unreliable packets sent now are almost certain
/// to be dropped. Attempts to receive packets are guaranteed to fail.
/// You may send messages if the send mode allows for them to be queued.
/// but if you close the connection before the connection is actually
/// established, any queued messages will be discarded immediately.
/// (We will not attempt to flush the queue and confirm delivery to the
/// remote host, which ordinarily happens when a connection is closed.)
Connecting = 1,
/// Some connection types use a back channel or trusted 3rd party
/// for earliest communication. If the server accepts the connection,
/// then these connections switch into the rendezvous state. During this
/// state, we still have not yet established an end-to-end route (through
/// the relay network), and so if you send any messages unreliable, they
/// are going to be discarded.
FindingRoute = 2,
/// We've received communications from our peer (and we know
/// who they are) and are all good. If you close the connection now,
/// we will make our best effort to flush out any reliable sent data that
/// has not been acknowledged by the peer. (But note that this happens
/// from within the application process, so unlike a TCP connection, you are
/// not totally handing it off to the operating system to deal with it.)
Connected = 3,
/// Connection has been closed by our peer, but not closed locally.
/// The connection still exists from an API perspective. You must close the
/// handle to free up resources. If there are any messages in the inbound queue,
/// you may retrieve them. Otherwise, nothing may be done with the connection
/// except to close it.
///
/// This stats is similar to CLOSE_WAIT in the TCP state machine.
ClosedByPeer = 4,
/// A disruption in the connection has been detected locally. (E.g. timeout,
/// local internet connection disrupted, etc.)
///
/// The connection still exists from an API perspective. You must close the
/// handle to free up resources.
///
/// Attempts to send further messages will fail. Any remaining received messages
/// in the queue are available.
ProblemDetectedLocally = 5,
//
// The following values are used internally and will not be returned by any API.
// We document them here to provide a little insight into the state machine that is used
// under the hood.
//
/// We've disconnected on our side, and from an API perspective the connection is closed.
/// No more data may be sent or received. All reliable data has been flushed, or else
/// we've given up and discarded it. We do not yet know for sure that the peer knows
/// the connection has been closed, however, so we're just hanging around so that if we do
/// get a packet from them, we can send them the appropriate packets so that they can
/// know why the connection was closed (and not have to rely on a timeout, which makes
/// it appear as if something is wrong).
FinWait = -1,
/// We've disconnected on our side, and from an API perspective the connection is closed.
/// No more data may be sent or received. From a network perspective, however, on the wire,
/// we have not yet given any indication to the peer that the connection is closed.
/// We are in the process of flushing out the last bit of reliable data. Once that is done,
/// we will inform the peer that the connection has been closed, and transition to the
/// FinWait state.
///
/// Note that no indication is given to the remote host that we have closed the connection,
/// until the data has been flushed. If the remote host attempts to send us data, we will
/// do whatever is necessary to keep the connection alive until it can be closed properly.
/// But in fact the data will be discarded, since there is no way for the application to
/// read it back. Typically this is not a problem, as application protocols that utilize
/// the lingering functionality are designed for the remote host to wait for the response
/// before sending any more data.
Linger = -2,
/// Connection is completely inactive and ready to be destroyed
Dead = -3,
Force32Bit = 0x7fffffff
};
}