forked from I2P_Developers/i2p.i2p
hopefully i'll have time to work on this socket stuff tomorrow
This commit is contained in:
mpc
@@ -1,277 +0,0 @@
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/*
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* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
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||||||
*
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
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||||||
* * Neither the name of the author nor the names of any contributors
|
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||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
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||||||
*
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||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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||||||
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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||||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
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||||||
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
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||||||
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
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||||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
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||||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
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||||||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
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||||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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||||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cassert>
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using namespace std;
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#include "platform.hpp"
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#include "socket.hpp"
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using namespace Libsockthread;
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size_t Socket::total = 0; // the total number of sockets in use
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/*
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* Constructs an IPv4 TCP socket
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*/
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Socket::Socket(void)
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{
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++total;
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try {
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#ifdef WINSOCK
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if (total == 1)
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winsock_startup();
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#endif
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create_socket(PF_INET, SOCK_STREAM);
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} catch (const Socket_error& x) {
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--total;
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throw;
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}
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}
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/*
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* Constructs the socket
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*
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* domain - either PF_INET or PF_INET6
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* type - either SOCK_STREAM or SOCK_DGRAM
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*/
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Socket::Socket(int domain, int type)
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{
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++total;
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try {
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#ifdef WINSOCK
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if (total == 1)
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winsock_startup();
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#endif
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create_socket(domain, type);
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} catch {const Socket_error& x) {
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--total;
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throw;
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}
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}
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/*
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* Destroys the socket
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*/
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Socket::~Socket(void)
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{
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close();
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--total;
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assert(total >= 0);
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#ifdef WINSOCK
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if (total == 0)
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winsock_cleanup();
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#endif
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}
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/*
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* Closes the socket
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*/
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void Socket::close(void)
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{
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#ifdef WINSOCK
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if (closesocket(sock) == SOCKET_ERROR) {
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LERROR("closesocket() failed: %s", winsock_strerror(WSAGetLastError()));
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}
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#else
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if (close(sock) == -1) {
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LERROR("close() failed: %s", strerror(errno));
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}
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#endif
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}
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/*
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* Creates the socket
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*
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* domain - either PF_INET or PF_INET6
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* type - either SOCK_STREAM or SOCK_DGRAM
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*/
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void Socket::create_socket(int domain, int type)
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{
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assert((domain == PF_INET || domain == PF_INET6) &&
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(type == SOCK_STREAM || type == SOCK_DGRAM));
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sock = socket(domain, type, 0);
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#ifdef WINSOCK
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if (sock == INVALID_SOCKET)
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throw Socket_error(sam_winsock_strerror(WSAGetLastError()));
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#else
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if (sock == -1)
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throw Socket_error(strerror(errno));
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#endif
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}
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#ifdef WINSOCK
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/*
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* Unloads the Winsock network subsystem
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*/
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void Socket::winsock_cleanup(void)
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{
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int rc = WSACleanup();
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assert(rc != SOCKET_ERROR);
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}
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/*
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* Loads the Winsock network sucksystem
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*/
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void Socket::winsock_startup(void)
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{
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WORD wVersionRequested = MAKEWORD(2, 2);
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WSADATA wsaData;
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int rc = WSAStartup(wVersionRequested, &wsaData);
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if (rc != 0)
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throw Socket_error(winsock_strerror(rc));
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if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 2) {
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winsock_cleanup();
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throw Socket_error("Bad Winsock version");
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}
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}
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/*
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* Apparently Winsock does not have a strerror() equivalent for its functions
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*
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* code - code from WSAGetLastError()
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*
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* Returns: error string (from http://msdn.microsoft.com/library/default.asp?
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* url=/library/en-us/winsock/winsock/windows_sockets_error_codes_2.asp)
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*/
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const char* Socket::winsock_strerror(int code)
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{
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switch (code) {
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case WSAEINTR:
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return "Interrupted function call";
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case WSAEACCES: // yes, that is the correct spelling
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return "Permission denied";
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case WSAEFAULT:
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return "Bad address";
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case WSAEINVAL:
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return "Invalid argument";
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case WSAEMFILE:
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return "Too many open files";
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case WSAEWOULDBLOCK:
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return "Resource temporarily unavailable";
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case WSAEINPROGRESS:
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return "Operation now in progress";
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case WSAEALREADY:
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return "Operation already in progress";
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case WSAENOTSOCK:
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return "Socket operations on nonsocket";
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case WSAEDESTADDRREQ:
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return "Destination address required";
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case WSAEMSGSIZE:
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return "Message too long";
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case WSAEPROTOTYPE:
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return "Protocol wrong type for socket";
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case WSAENOPROTOOPT:
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return "Bad protocol option";
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case WSAEPROTONOSUPPORT:
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return "Protocol not supported";
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case WSAESOCKTNOSUPPORT:
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return "Socket type not supported";
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case WSAEOPNOTSUPP:
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return "Operation not supported";
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case WSAEPFNOSUPPORT:
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return "Protocol family not supported";
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case WSAEAFNOSUPPORT:
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return "Address family not supported by protocol family";
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case WSAEADDRINUSE:
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return "Address already in use";
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case WSAEADDRNOTAVAIL:
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return "Cannot assign requested address";
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case WSAENETDOWN:
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return "Network is down";
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case WSAENETUNREACH:
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return "Network is unreachable";
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case WSAENETRESET:
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return "Network dropped connection on reset";
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case WSAECONNABORTED:
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return "Software caused connection abort";
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case WSAECONNRESET:
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return "Connection reset by peer";
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case WSAENOBUFS:
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return "No buffer space available";
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case WSAEISCONN:
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return "Socket is already connected";
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case WSAENOTCONN:
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return "Socket is not connected";
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case WSAESHUTDOWN:
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return "Cannot send after socket shutdown";
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case WSAETIMEDOUT:
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return "Connection timed out";
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case WSAECONNREFUSED:
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return "Connection refused";
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case WSAEHOSTDOWN:
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return "Host is down";
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case WSAEHOSTUNREACH:
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return "No route to host";
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case WSAEPROCLIM:
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return "Too many processes";
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case WSASYSNOTREADY:
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return "Network subsystem is unavailable";
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case WSAVERNOTSUPPORTED:
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return "Winsock.dll version out of range";
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case WSANOTINITIALISED:
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return "Successful WSAStartup not yet performed";
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case WSAEDISCON:
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return "Graceful shutdown in progress";
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case WSATYPE_NOT_FOUND:
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return "Class type not found";
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case WSAHOST_NOT_FOUND:
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return "Host not found";
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case WSATRY_AGAIN:
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return "Nonauthoritative host not found";
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case WSANO_RECOVERY:
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return "This is a nonrecoverable error";
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case WSANO_DATA:
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return "Valid name, no data record of requested type";
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/* None of this shit compiles under Mingw - who knows why...
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case WSA_INVALID_HANDLE:
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return "Specified event object handle is invalid";
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case WSA_INVALID_PARAMETER:
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return "One or more parameters are invalid";
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case WSA_IO_INCOMPLETE:
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return "Overlapped I/O event object not in signaled state";
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case WSA_IO_PENDING:
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return "Overlapped operations will complete later";
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case WSA_NOT_ENOUGH_MEMORY:
|
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return "Insufficient memory available";
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case WSA_OPERATION_ABORTED:
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return "Overlapped operation aborted";
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case WSAINVALIDPROCTABLE:
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return "Invalid procedure table from service provider";
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case WSAINVALIDPROVIDER:
|
|
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return "Invalid service provider version number";
|
|
||||||
case WSAPROVIDERFAILEDINIT:
|
|
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return "Unable to initialize a service provider";
|
|
||||||
*/
|
|
||||||
case WSASYSCALLFAILURE:
|
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||||||
return "System call failure";
|
|
||||||
default:
|
|
||||||
return "Unknown error";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif // WINSOCK
|
|
||||||
@@ -1,64 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
|
|
||||||
*
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* * Neither the name of the author nor the names of any contributors
|
|
||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
|
||||||
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
||||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
||||||
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
||||||
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
||||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
||||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
||||||
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
||||||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
||||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
||||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef LIBSOCKTHREAD_SOCKET_HPP
|
|
||||||
#define LIBSOCKTHREAD_SOCKET_HPP
|
|
||||||
|
|
||||||
namespace Libsockthread {
|
|
||||||
class Socket_error : public runtime_error {
|
|
||||||
public:
|
|
||||||
Socket_error(const string& s)
|
|
||||||
: runtime_error(s) { }
|
|
||||||
};
|
|
||||||
class Socket {
|
|
||||||
public:
|
|
||||||
Socket(void); // throws Socket_error
|
|
||||||
Socket(int domain, int type); // throws Socket_error
|
|
||||||
~Socket(void);
|
|
||||||
|
|
||||||
void close(void);
|
|
||||||
private:
|
|
||||||
#ifdef WINSOCK
|
|
||||||
typedef SOCKET socket_t;
|
|
||||||
|
|
||||||
void winsock_cleanup(void);
|
|
||||||
void winsock_startup(void); // throws Socket_error
|
|
||||||
const char* winsock_strerror(int code);
|
|
||||||
#else
|
|
||||||
typedef int socket_t;
|
|
||||||
#endif
|
|
||||||
void create_socket(int domain, int type); // throws Socket_error
|
|
||||||
|
|
||||||
socket_t sock;
|
|
||||||
static size_t total; // the total number of sockets in memory
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif // LIBSOCKTHREAD_SOCKET_HPP
|
|
||||||
@@ -1,83 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
|
|
||||||
*
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* * Neither the name of the author nor the names of any contributors
|
|
||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
|
||||||
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
||||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
||||||
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
||||||
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
||||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
||||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
||||||
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
||||||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
||||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
||||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <arpa/inet.h>
|
|
||||||
#include <cassert>
|
|
||||||
using namespace std;
|
|
||||||
#include "platform.hpp"
|
|
||||||
#include "socket.hpp"
|
|
||||||
#include "socket_addr.hpp"
|
|
||||||
using namespace Libsockthread;
|
|
||||||
|
|
||||||
Socket_addr::Socket_addr(int domain, const string& host, uint16_t port)
|
|
||||||
: domain(domain), host(host), port(port)
|
|
||||||
{
|
|
||||||
memset(&hostaddr, 0, sizeof hostaddr);
|
|
||||||
hostaddr.sin_family = domain;
|
|
||||||
hostaddr.sin_port = htons(port);
|
|
||||||
resolve(host.c_str(), ipaddr);
|
|
||||||
int rc;
|
|
||||||
#ifdef NO_INET_ATON
|
|
||||||
rc = hostaddr.sin_addr.s_addr = inet_addr(ipaddr);
|
|
||||||
#elif defined NO_INET_PTON
|
|
||||||
rc = inet_aton(ipaddr, &hostaddr.sin_addr);
|
|
||||||
#else
|
|
||||||
rc = inet_pton(AF_INET, ipaddr, &hostaddr.sin_addr);
|
|
||||||
#endif
|
|
||||||
assert(rc != 0 && rc != -1);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Performs a DNS lookup on `hostname' and puts the result in `ipaddr'
|
|
||||||
*/
|
|
||||||
bool Socket::resolve(const char* hostname, char* ipaddr)
|
|
||||||
{
|
|
||||||
struct hostent *h;
|
|
||||||
#ifdef NO_GETHOSTBYNAME2
|
|
||||||
h = gethostbyname(hostname);
|
|
||||||
#else
|
|
||||||
h = gethostbyname2(hostname, domain);
|
|
||||||
#endif
|
|
||||||
if (h == 0) {
|
|
||||||
LWARN("DNS resolution failed for %s", hostname);
|
|
||||||
throw Socket_error("DNS resolution failed");
|
|
||||||
}
|
|
||||||
struct in_addr a;
|
|
||||||
a.s_addr = ((struct in_addr *)h->h_addr)->s_addr;
|
|
||||||
#ifdef NO_INET_NTOP
|
|
||||||
char *tmp;
|
|
||||||
tmp = inet_ntoa(a);
|
|
||||||
assert(tmp != 0);
|
|
||||||
strlcpy(ipaddr, tmp, INET_ADDRSTRLEN); // inet_ntoa() was very poorly designed
|
|
||||||
#else
|
|
||||||
int rc = inet_ntop(domain, &a, ipaddr, INET_ADDRSTRLEN);
|
|
||||||
assert(rc != 0);
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
@@ -1,49 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
|
|
||||||
*
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* * Neither the name of the author nor the names of any contributors
|
|
||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
|
||||||
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
||||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
||||||
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
||||||
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
||||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
||||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
||||||
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
||||||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
||||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
||||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef LIBSOCKTHREAD_SOCKET_ADDR_HPP
|
|
||||||
#define LIBSOCKTHREAD_SOCKET_ADDR_HPP
|
|
||||||
|
|
||||||
namespace Libsockthread {
|
|
||||||
class Socket_addr {
|
|
||||||
public:
|
|
||||||
Socket_addr(int domain, const string& host, uint16_t port);
|
|
||||||
private:
|
|
||||||
bool resolve(const char* hostname, char* ipaddr);
|
|
||||||
|
|
||||||
int domain; // PF_INET or PF_INET6
|
|
||||||
string host;
|
|
||||||
char ipaddr[INET_ADDRSTRLEN];
|
|
||||||
struct sockaddr_in hostaddr;
|
|
||||||
uint16_t port;
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif // LIBSOCKTHREAD_SOCKET_ADDR_HPP
|
|
||||||
Reference in New Issue
Block a user