Load all of the patch files from the configured directory and store the metadata in package-level constants for the DataServer instance(s).

LoadConfig the PSOBB parameter files, build the parameter header, and init/cache the param file chunks for the EB commands.

marshalErrorToJSON returns JSON from a twirp.Error, that can be used as HTTP error response body. If serialization fails, it will use a descriptive In

NewCipher creates and returns a blowfishCipher. The key argument should be the Blowfish key such that 1 <= len(k) <= 56 bytes.

parseTwirpPath extracts path components form a valid Twirp route. Expected format: "[<prefix>]/<package>.<Service>/<Method>" e.g.: prefix, pkgService,

processPackets starts a blocking loop dedicated to reading data sent from a game client and only returns once the connection has closed.

readNextPacket is a blocking call that only returns once the client has sent the next packet to be processed. The buffer in c.ConnectionState is updat

send the preview command containing basic details about a character in the selected slot.

Tell the client to check a file in its current working directory.

Acknowledge the checksum the client sent us. We don't actually do anything with it but the client won't proceed otherwise.

Acknowledgement sent after the DATA connection handshake.

Send the IP address and port of the character server to which the client will connect after disconnecting from this server.

send a chunk of file data.

Finished sending a particular file.

send the header for a file we're about to update.

Traverse the patch tree depth-first and send the check file requests.

Tell the client that we've finished sending the patch list.

Send the IP address and port of the character server to which the client will connect after disconnecting from this server.

send the specified chunk of guildcard data.

send the header containing metadata about the guildcard chunk.

Sends a message to the client. In this case whatever message is sent here will be displayed in a dialog box after the patch screen.

Sends a message to the client. In this case whatever message is sent here will be displayed in a dialog box after the patch screen.

send the client's configuration options. keyConfig should be 420 bytes long and either point to the default keys array or loaded from the database.

Index into chunkData and send the specified chunk of parameter data.

send the header for the parameter files we're about to start sending.

send the redirect command, providing the IP and port of the next server.

send whatever scrolling message was read out of the config file for the login screen.

Send the menu items for the ship select screen. Since we're only supporting a single (bundled) ship server for the moment, the entries are hardcoded r

Send the total number and cumulative size of files that need updating.

Send a timestamp command in order to indicate the server's current time.

We've finished updating files.

Simple acknowledgement to the welcome response.

Message displayed on the patch download screen.

The client may send us flags as a result of user actions in order to indicate a change in state or desired behavior. For instance, setting 0x02 indica

startBlockingLoop implements a connection handling loop that's purely responsible for accepting new connections and spinning off goroutines for the Ba

Recursively traverse our tree of patch files, sending the file data to the client when an out of date file is encountered.

The client finished sending all of the file check commands. If they have any files that need updating, now's the time to do it.

Print the standard output of one column with the bytes in hexadecimal followed by another column with the corresponding bytes translated to unicode wh

for go1.13 + errors.Is/As

for go1.13 + errors.Is/As