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Diffstat (limited to 'Sources/swiftGopherClient/gopherRequestResponseHandler.swift')
-rw-r--r-- | Sources/swiftGopherClient/gopherRequestResponseHandler.swift | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/Sources/swiftGopherClient/gopherRequestResponseHandler.swift b/Sources/swiftGopherClient/gopherRequestResponseHandler.swift deleted file mode 100644 index 10da67e..0000000 --- a/Sources/swiftGopherClient/gopherRequestResponseHandler.swift +++ /dev/null @@ -1,113 +0,0 @@ -// -// gopherRequestResponseHandler.swift -// -// -// Created by Navan Chauhan on 12/12/23. -// - -import Foundation -import GopherHelpers -import NIO - -final class GopherRequestResponseHandler: ChannelInboundHandler { - typealias InboundIn = ByteBuffer - typealias OutboundOut = ByteBuffer - - private var accumulatedData: ByteBuffer - private let message: String - private let completion: (Result<[gopherItem], Error>) -> Void - - init(message: String, completion: @escaping (Result<[gopherItem], Error>) -> Void) { - self.message = message - self.completion = completion - self.accumulatedData = ByteBuffer() - } - - func channelActive(context: ChannelHandlerContext) { - var buffer = context.channel.allocator.buffer(capacity: message.utf8.count) - buffer.writeString(message) - context.writeAndFlush(self.wrapOutboundOut(buffer), promise: nil) - } - - func channelRead(context: ChannelHandlerContext, data: NIOAny) { - var buffer = unwrapInboundIn(data) - accumulatedData.writeBuffer(&buffer) - } - - func channelInactive(context: ChannelHandlerContext) { - if let dataCopy = accumulatedData.getSlice(at: 0, length: accumulatedData.readableBytes) { - parseGopherServerResponse( - response: accumulatedData.readString(length: accumulatedData.readableBytes) ?? "", - originalBytes: dataCopy) - } - } - - func errorCaught(context: ChannelHandlerContext, error: Error) { - print("Error: ", error) - context.close(promise: nil) - } - - func createGopherItem(rawLine: String, itemType: gopherItemType = .info, rawData: ByteBuffer) - -> gopherItem - { - var item = gopherItem(rawLine: rawLine) - item.parsedItemType = itemType - item.rawData = rawData - - if rawLine.isEmpty { - item.valid = false - } else { - let components = rawLine.components(separatedBy: "\t") - - // Handle cases where rawLine does not have any itemType in the first character - item.message = String(components[0].dropFirst()) - - if components.indices.contains(1) { - item.selector = String(components[1]) - } - - if components.indices.contains(2) { - item.host = String(components[2]) - } - - if components.indices.contains(3) { - item.port = Int(String(components[3])) ?? 70 - } - } - - return item - } - - func parseGopherServerResponse(response: String, originalBytes: ByteBuffer) { - var gopherServerResponse: [gopherItem] = [] - - print("parsing") - let carriageReturnCount = response.filter({ $0 == "\r" }).count - let newlineCarriageReturnCount = response.filter({ $0 == "\r\n" }).count - print( - "Carriage Returns: \(carriageReturnCount), Newline + Carriage Returns: \(newlineCarriageReturnCount)" - ) - - if newlineCarriageReturnCount == 0 { - for line in response.split(separator: "\n") { - let lineItemType = getGopherFileType(item: "\(line.first ?? " ")") - let item = createGopherItem( - rawLine: String(line), itemType: lineItemType, rawData: originalBytes) - gopherServerResponse.append(item) - - } - } else { - for line in response.split(separator: "\r\n") { - let lineItemType = getGopherFileType(item: "\(line.first ?? " ")") - let item = createGopherItem( - rawLine: String(line), itemType: lineItemType, rawData: originalBytes) - gopherServerResponse.append(item) - - } - } - - print("done parsing") - - completion(.success(gopherServerResponse)) - } -} |