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Diffstat (limited to 'src/main/kotlin/Utils.kt')
| -rw-r--r-- | src/main/kotlin/Utils.kt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/kotlin/Utils.kt b/src/main/kotlin/Utils.kt new file mode 100644 index 0000000..2f5dbd4 --- /dev/null +++ b/src/main/kotlin/Utils.kt @@ -0,0 +1,47 @@ +import java.net.InetAddress + +const val DEFAULT_9P_PORT: UShort = 564u +const val DEFAULT_9P_TLS_PORT: UShort = 17020u + +/** + * The [nineAddressToValues] function translates an address from one of the dial(2) formats into the respective data. + * For the sake of my sanity, the following list highlights differences from the typical dial(2) formats: + * 1. The "network" part is ignored. + * 2. If nothing is specified in the place of "service", the default unencrypted 9P port is used: 564. + * 3. "Service" can only contain port numbers. + * All the rest is the same. + * + * @return A Pair (A, P) containing the host address (A) and the port (P). + * + * @throws IllegalArgumentException If the address is improperly formatted or has invalid values. + * @throws NumberFormatException If the port's value can't be parsed into an [UShort]. + */ +fun nineAddressToValues(nineAddress: String): Pair<String, UShort> { + val parts = nineAddress.split('!', limit = 3) + val address: String + val port: UShort + when (parts.size) { + 1 -> { + address = parts[0] + port = DEFAULT_9P_PORT + } + 2 -> { + address = parts[1] + port = DEFAULT_9P_PORT + } + 3 -> { + address = parts[1] + port = parts[2].toUShort() + } + else -> throw IllegalArgumentException() + } + + return Pair(address, port) +} + +/** + * Handy function that initializes the 9P connection. + */ +fun initNineP(npconn: NinePConnection) { + // TODO: implement +}
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