0001    // TCPError.swift
0002    //
0003    // The MIT License (MIT)
0004    //
0005    // Copyright (c) 2015 Zewo
0006    //
0007    // Permission is hereby granted, free of charge, to any person obtaining a copy
0008    // of this software and associated documentation files (the "Software"), to deal
0009    // in the Software without restriction, including without limitation the rights
0010    // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0011    // copies of the Software, and to permit persons to whom the Software is
0012    // furnished to do so, subject to the following conditions:
0013    //
0014    // The above copyright notice and this permission notice shall be included in all
0015    // copies or substantial portions of the Software.
0016    //
0017    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0018    // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0019    // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0020    // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0021    // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0022    // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0023    // SOFTWARE.
0024    
0025    @_exported import System
0026    @_exported import Data
0027    
0028    public enum TCPError
TCPClientSocket.swift:52
        try TCPError.assertNoSendErrorWithData(data, bytesProcessed: bytesProcessed)
TCPClientSocket.swift:62
        try TCPError.assertNoError()
TCPClientSocket.swift:73
        try TCPError.assertNoReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
TCPClientSocket.swift:81
            throw TCPError.Unknown(description: "Marks should be > 0")
TCPClientSocket.swift:85
            throw TCPError.Unknown(description: "loweWaterMark should be less than highWaterMark")
TCPClientSocket.swift:93
        try TCPError.assertNoReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
TCPClientSocket.swift:105
        try TCPError.assertNoReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
TCPError.swift:36
    static func lastReceiveErrorWithData(source: Data, bytesProcessed: Int) -> TCPError {
TCPError.swift:41
    static func lastSendErrorWithData(source: Data, bytesProcessed: Int) -> TCPError {
TCPError.swift:46
    static func lastErrorWithData(data: Data) -> TCPError {
TCPError.swift:65
    static var lastError: TCPError {
TCPError.swift:81
        return TCPError.ClosedSocket(description: "Closed socket")
TCPError.swift:80
    static var closedSocketError: TCPError {
TCPError.swift:86
            throw TCPError.lastError
TCPError.swift:92
            throw TCPError.lastReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
TCPError.swift:98
            throw TCPError.lastSendErrorWithData(data, bytesProcessed: bytesProcessed)
TCPError.swift:103
extension TCPError: CustomStringConvertible {
TCPSocket.swift:37
        try TCPError.assertNoError()
TCPSocket.swift:52
        try TCPError.assertNoError()
TCPSocket.swift:74
            throw TCPError.closedSocketError
: ErrorType {
0029        case Unknown
TCPClientSocket.swift:81
            throw TCPError.Unknown(description: "Marks should be > 0")
TCPClientSocket.swift:85
            throw TCPError.Unknown(description: "loweWaterMark should be less than highWaterMark")
TCPError.swift:76
            return .Unknown(description: lastErrorDescription)
TCPError.swift:106
        case Unknown(let description):
(description: String)
0030        case BrokenPipe(description: String, data: Data)
0031        case ConnectionResetByPeer(description: String, data: Data)
0032        case NoBufferSpaceAvailabe(description: String, data: Data)
0033        case OperationTimedOut(description: String, data: Data)
0034        case ClosedSocket
TCPError.swift:81
        return TCPError.ClosedSocket(description: "Closed socket")
TCPError.swift:116
        case ClosedSocket(let description):
(description: String)
0035    
0036        static func lastReceiveErrorWithData(source: Data, bytesProcessed: Int) -> TCPError {
0037            let data = source.prefix(bytesProcessed)
0038            return lastErrorWithData(data)
0039        }
0040    
0041        static func lastSendErrorWithData(source: Data, bytesProcessed: Int) -> TCPError {
0042            let data = source.suffix(bytesProcessed)
0043            return lastErrorWithData(data)
0044        }
0045    
0046        static func lastErrorWithData(data: Data) -> TCPError {
0047            switch errno {
0048            case EPIPE:
0049                return .BrokenPipe(description: lastErrorDescription, data: data)
0050            case ECONNRESET:
0051                return .ConnectionResetByPeer(description: lastErrorDescription, data: data)
0052            case ENOBUFS:
0053                return .NoBufferSpaceAvailabe(description: lastErrorDescription, data: data)
0054            case ETIMEDOUT:
0055                return .OperationTimedOut(description: lastErrorDescription, data: data)
0056            default:
0057                return .Unknown(description: lastErrorDescription)
0058            }
0059        }
0060    
0061        static var lastErrorDescription
TCPError.swift:76
            return .Unknown(description: lastErrorDescription)
: String {
0062            return String.fromCString(strerror(errno))!
0063        }
0064    
0065        static var lastError
TCPError.swift:86
            throw TCPError.lastError
: TCPError {
0066            switch errno {
0067            case EPIPE:
0068                return .BrokenPipe(description: lastErrorDescription, data: nil)
0069            case ECONNRESET:
0070                return .ConnectionResetByPeer(description: lastErrorDescription, data: nil)
0071            case ENOBUFS:
0072                return .NoBufferSpaceAvailabe(description: lastErrorDescription, data: nil)
0073            case ETIMEDOUT:
0074                return .OperationTimedOut(description: lastErrorDescription, data: nil)
0075            default:
0076                return .Unknown(description: lastErrorDescription)
0077            }
0078        }
0079    
0080        static var closedSocketError
TCPSocket.swift:74
            throw TCPError.closedSocketError
: TCPError {
0081            return TCPError.ClosedSocket(description: "Closed socket")
0082        }
0083    
0084        static func assertNoError
TCPClientSocket.swift:62
        try TCPError.assertNoError()
TCPSocket.swift:37
        try TCPError.assertNoError()
TCPSocket.swift:52
        try TCPError.assertNoError()
() throws {
0085            if errno != 0 {
0086                throw TCPError.lastError
0087            }
0088        }
0089    
0090        static func assertNoReceiveErrorWithData(data: Data, bytesProcessed: Int) throws {
0091            if errno != 0 {
0092                throw TCPError.lastReceiveErrorWithData(data, bytesProcessed: bytesProcessed)
0093            }
0094        }
0095    
0096        static func assertNoSendErrorWithData(data: Data, bytesProcessed: Int) throws {
0097            if errno != 0 {
0098                throw TCPError.lastSendErrorWithData(data, bytesProcessed: bytesProcessed)
0099            }
0100        }
0101    }
0102    
0103    extension TCPError: CustomStringConvertible {
0104        public var description: String {
0105            switch self {
0106            case Unknown(let description):
0107                return description
0108            case .BrokenPipe(let description, _):
0109                return description
0110            case ConnectionResetByPeer(let description, _):
0111                return description
0112            case NoBufferSpaceAvailabe(let description, _):
0113                return description
0114            case OperationTimedOut(let description, _):
0115                return description
0116            case ClosedSocket(let description):
0117                return description
0118            }
0119        }
0120    }