Martin Slachta
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
#pragma once
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#include <cerrno>
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#include <cstring>
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#include <string>
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namespace tw::net {
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enum NetworkErrorType {
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MESSAGE_TOO_LONG = 90,
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ADDRESS_FAMILY_NOT_SUPPORTED = 97,
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BAD_FILE_DESCRIPTOR = 9,
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CONNECTION_RESET = 104,
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WOULD_BLOCK = 11,
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INTERRUPED = 4,
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INVALID_ARGUMENT = 22,
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NOT_CONNECTED = 107,
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NOT_SOCKET = 88,
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OPERATION_NOT_SUPPORTED = 95,
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TIMED_OUT = 110,
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IO_ERROR = 5,
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NO_BUFFER_SPACE = 105,
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NOT_ENOUGH_MEMORY = 12,
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DESTINATION_ADDRESS_REQUIRED = 89,
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BROKEN_PIPE = 32
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};
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struct NetworkError {
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NetworkErrorType m_type;
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public:
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static NetworkError from_errno(int err) {
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return { static_cast<NetworkErrorType>(err) };
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}
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std::string message() const {
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switch (m_type) {
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case BAD_FILE_DESCRIPTOR:
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return "The socket is not a valid file descriptor";
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case CONNECTION_RESET:
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return "A connection was forcibly closed by a peer.";
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case INTERRUPED:
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return "The function was interrupted by a signal that was caught, before any data was available.";
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case INVALID_ARGUMENT:
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return "The MSG_OOB flag is set and no out-of-band data is available.";
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case NOT_CONNECTED:
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return "A function is attempted on connection-mode socket that is not connected.";
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case NOT_SOCKET:
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return "Socket operation on non-socket.";
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case OPERATION_NOT_SUPPORTED:
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return "The specified flags are not supported for this socket type or protocol.";
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case TIMED_OUT:
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return "The connection timed out during connection establishment, or due to a transmission timeout on active connection.";
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case IO_ERROR:
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return "An I/O error occurred while reading from or writing to the file system.";
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case NO_BUFFER_SPACE:
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return "Insufficient resources were available in the system to perform the operation.";
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case NOT_ENOUGH_MEMORY:
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return "Insufficient memory was available to complete the operation.";
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case DESTINATION_ADDRESS_REQUIRED:
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return "The destination address is required for this operation.";
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case BROKEN_PIPE:
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return "The write end of a pipe or socket has been closed.";
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default:
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return std::string(strerror(static_cast<int>(m_type)));
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}
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}
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};
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}
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