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authorKartik K. Agaram <vc@akkartik.com>2021-11-22 17:37:41 -0800
committerKartik K. Agaram <vc@akkartik.com>2021-11-22 17:37:41 -0800
commit70a2e1db1dd4e4aa0c01e2dfb50499123d69967c (patch)
treeffe20a9284cfa95918a9995fcb74c36afe7ffece /src/luasec/luasocket/wsocket.c
parentfe9708fd29d8def5245ba300b671824f23d429e4 (diff)
downloadteliva-70a2e1db1dd4e4aa0c01e2dfb50499123d69967c.tar.gz
delete most of the embedded luasocket in luasec
Hilariously, I wasn't linking against it in the first place.
Diffstat (limited to 'src/luasec/luasocket/wsocket.c')
-rw-r--r--src/luasec/luasocket/wsocket.c429
1 files changed, 0 insertions, 429 deletions
diff --git a/src/luasec/luasocket/wsocket.c b/src/luasec/luasocket/wsocket.c
deleted file mode 100644
index 8c7640e..0000000
--- a/src/luasec/luasocket/wsocket.c
+++ /dev/null
@@ -1,429 +0,0 @@
-/*=========================================================================*\
-* Socket compatibilization module for Win32
-* LuaSocket toolkit
-*
-* The penalty of calling select to avoid busy-wait is only paid when
-* the I/O call fail in the first place. 
-\*=========================================================================*/
-#include <string.h>
-
-#include "socket.h"
-
-/* WinSock doesn't have a strerror... */
-static const char *wstrerror(int err);
-
-/*-------------------------------------------------------------------------*\
-* Initializes module 
-\*-------------------------------------------------------------------------*/
-int socket_open(void) {
-    WSADATA wsaData;
-    WORD wVersionRequested = MAKEWORD(2, 0); 
-    int err = WSAStartup(wVersionRequested, &wsaData );
-    if (err != 0) return 0;
-    if ((LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 0) &&
-        (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1)) {
-        WSACleanup();
-        return 0; 
-    }
-    return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Close module 
-\*-------------------------------------------------------------------------*/
-int socket_close(void) {
-    WSACleanup();
-    return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Wait for readable/writable/connected socket with timeout
-\*-------------------------------------------------------------------------*/
-int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
-    int ret;
-    fd_set rfds, wfds, efds, *rp = NULL, *wp = NULL, *ep = NULL;
-    struct timeval tv, *tp = NULL;
-    double t;
-    if (timeout_iszero(tm)) return IO_TIMEOUT;  /* optimize timeout == 0 case */
-    if (sw & WAITFD_R) { 
-        FD_ZERO(&rfds); 
-        FD_SET(*ps, &rfds);
-        rp = &rfds; 
-    }
-    if (sw & WAITFD_W) { FD_ZERO(&wfds); FD_SET(*ps, &wfds); wp = &wfds; }
-    if (sw & WAITFD_C) { FD_ZERO(&efds); FD_SET(*ps, &efds); ep = &efds; }
-    if ((t = timeout_get(tm)) >= 0.0) {
-        tv.tv_sec = (int) t;
-        tv.tv_usec = (int) ((t-tv.tv_sec)*1.0e6);
-        tp = &tv;
-    }
-    ret = select(0, rp, wp, ep, tp);
-    if (ret == -1) return WSAGetLastError();
-    if (ret == 0) return IO_TIMEOUT;
-    if (sw == WAITFD_C && FD_ISSET(*ps, &efds)) return IO_CLOSED;
-    return IO_DONE;
-}
-
-/*-------------------------------------------------------------------------*\
-* Select with int timeout in ms
-\*-------------------------------------------------------------------------*/
-int socket_select(t_socket n, fd_set *rfds, fd_set *wfds, fd_set *efds, 
-        p_timeout tm) {
-    struct timeval tv; 
-    double t = timeout_get(tm);
-    tv.tv_sec = (int) t;
-    tv.tv_usec = (int) ((t - tv.tv_sec) * 1.0e6);
-    if (n <= 0) {
-        Sleep((DWORD) (1000*t));
-        return 0;
-    } else return select(0, rfds, wfds, efds, t >= 0.0? &tv: NULL);
-}
-
-/*-------------------------------------------------------------------------*\
-* Close and inutilize socket
-\*-------------------------------------------------------------------------*/
-void socket_destroy(p_socket ps) {
-    if (*ps != SOCKET_INVALID) {
-        socket_setblocking(ps); /* close can take a long time on WIN32 */
-        closesocket(*ps);
-        *ps = SOCKET_INVALID;
-    }
-}
-
-/*-------------------------------------------------------------------------*\
-* 
-\*-------------------------------------------------------------------------*/
-void socket_shutdown(p_socket ps, int how) {
-    socket_setblocking(ps);
-    shutdown(*ps, how);
-    socket_setnonblocking(ps);
-}
-
-/*-------------------------------------------------------------------------*\
-* Creates and sets up a socket
-\*-------------------------------------------------------------------------*/
-int socket_create(p_socket ps, int domain, int type, int protocol) {
-    *ps = socket(domain, type, protocol);
-    if (*ps != SOCKET_INVALID) return IO_DONE;
-    else return WSAGetLastError();
-}
-
-/*-------------------------------------------------------------------------*\
-* Connects or returns error message
-\*-------------------------------------------------------------------------*/
-int socket_connect(p_socket ps, SA *addr, socklen_t len, p_timeout tm) {
-    int err;
-    /* don't call on closed socket */
-    if (*ps == SOCKET_INVALID) return IO_CLOSED;
-    /* ask system to connect */
-    if (connect(*ps, addr, len) == 0) return IO_DONE;
-    /* make sure the system is trying to connect */
-    err = WSAGetLastError();
-    if (err != WSAEWOULDBLOCK && err != WSAEINPROGRESS) return err;
-    /* zero timeout case optimization */
-    if (timeout_iszero(tm)) return IO_TIMEOUT;
-    /* we wait until something happens */
-    err = socket_waitfd(ps, WAITFD_C, tm);
-    if (err == IO_CLOSED) {
-        int len = sizeof(err);
-        /* give windows time to set the error (yes, disgusting) */
-        Sleep(10);
-        /* find out why we failed */
-        getsockopt(*ps, SOL_SOCKET, SO_ERROR, (char *)&err, &len); 
-        /* we KNOW there was an error. if 'why' is 0, we will return
-        * "unknown error", but it's not really our fault */
-        return err > 0? err: IO_UNKNOWN; 
-    } else return err;
-
-}
-
-/*-------------------------------------------------------------------------*\
-* Binds or returns error message
-\*-------------------------------------------------------------------------*/
-int socket_bind(p_socket ps, SA *addr, socklen_t len) {
-    int err = IO_DONE;
-    socket_setblocking(ps);
-    if (bind(*ps, addr, len) < 0) err = WSAGetLastError();
-    socket_setnonblocking(ps);
-    return err;
-}
-
-/*-------------------------------------------------------------------------*\
-* 
-\*-------------------------------------------------------------------------*/
-int socket_listen(p_socket ps, int backlog) {
-    int err = IO_DONE;
-    socket_setblocking(ps);
-    if (listen(*ps, backlog) < 0) err = WSAGetLastError();
-    socket_setnonblocking(ps);
-    return err;
-}
-
-/*-------------------------------------------------------------------------*\
-* Accept with timeout
-\*-------------------------------------------------------------------------*/
-int socket_accept(p_socket ps, p_socket pa, SA *addr, socklen_t *len, 
-        p_timeout tm) {
-    if (*ps == SOCKET_INVALID) return IO_CLOSED;
-    for ( ;; ) {
-        int err;
-        /* try to get client socket */
-        if ((*pa = accept(*ps, addr, len)) != SOCKET_INVALID) return IO_DONE;
-        /* find out why we failed */
-        err = WSAGetLastError(); 
-        /* if we failed because there was no connectoin, keep trying */
-        if (err != WSAEWOULDBLOCK && err != WSAECONNABORTED) return err;
-        /* call select to avoid busy wait */
-        if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
-    } 
-}
-
-/*-------------------------------------------------------------------------*\
-* Send with timeout
-* On windows, if you try to send 10MB, the OS will buffer EVERYTHING 
-* this can take an awful lot of time and we will end up blocked. 
-* Therefore, whoever calls this function should not pass a huge buffer.
-\*-------------------------------------------------------------------------*/
-int socket_send(p_socket ps, const char *data, size_t count, 
-        size_t *sent, p_timeout tm)
-{
-    int err;
-    *sent = 0;
-    /* avoid making system calls on closed sockets */
-    if (*ps == SOCKET_INVALID) return IO_CLOSED;
-    /* loop until we send something or we give up on error */
-    for ( ;; ) {
-        /* try to send something */
-        int put = send(*ps, data, (int) count, 0);
-        /* if we sent something, we are done */
-        if (put > 0) {
-            *sent = put;
-            return IO_DONE;
-        }
-        /* deal with failure */
-        err = WSAGetLastError(); 
-        /* we can only proceed if there was no serious error */
-        if (err != WSAEWOULDBLOCK) return err;
-        /* avoid busy wait */
-        if ((err = socket_waitfd(ps, WAITFD_W, tm)) != IO_DONE) return err;
-    } 
-}
-
-/*-------------------------------------------------------------------------*\
-* Sendto with timeout
-\*-------------------------------------------------------------------------*/
-int socket_sendto(p_socket ps, const char *data, size_t count, size_t *sent, 
-        SA *addr, socklen_t len, p_timeout tm)
-{
-    int err;
-    *sent = 0;
-    if (*ps == SOCKET_INVALID) return IO_CLOSED;
-    for ( ;; ) {
-        int put = sendto(*ps, data, (int) count, 0, addr, len);
-        if (put > 0) {
-            *sent = put;
-            return IO_DONE;
-        }
-        err = WSAGetLastError(); 
-        if (err != WSAEWOULDBLOCK) return err;
-        if ((err = socket_waitfd(ps, WAITFD_W, tm)) != IO_DONE) return err;
-    } 
-}
-
-/*-------------------------------------------------------------------------*\
-* Receive with timeout
-\*-------------------------------------------------------------------------*/
-int socket_recv(p_socket ps, char *data, size_t count, size_t *got, 
-        p_timeout tm) 
-{
-    int err, prev = IO_DONE;
-    *got = 0;
-    if (*ps == SOCKET_INVALID) return IO_CLOSED;
-    for ( ;; ) {
-        int taken = recv(*ps, data, (int) count, 0);
-        if (taken > 0) {
-            *got = taken;
-            return IO_DONE;
-        }
-        if (taken == 0) return IO_CLOSED;
-        err = WSAGetLastError();
-        /* On UDP, a connreset simply means the previous send failed. 
-         * So we try again. 
-         * On TCP, it means our socket is now useless, so the error passes. 
-         * (We will loop again, exiting because the same error will happen) */
-        if (err != WSAEWOULDBLOCK) {
-            if (err != WSAECONNRESET || prev == WSAECONNRESET) return err;
-            prev = err;
-        }
-        if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
-    }
-}
-
-/*-------------------------------------------------------------------------*\
-* Recvfrom with timeout
-\*-------------------------------------------------------------------------*/
-int socket_recvfrom(p_socket ps, char *data, size_t count, size_t *got, 
-        SA *addr, socklen_t *len, p_timeout tm) 
-{
-    int err, prev = IO_DONE;
-    *got = 0;
-    if (*ps == SOCKET_INVALID) return IO_CLOSED;
-    for ( ;; ) {
-        int taken = recvfrom(*ps, data, (int) count, 0, addr, len);
-        if (taken > 0) {
-            *got = taken;
-            return IO_DONE;
-        }
-        if (taken == 0) return IO_CLOSED;
-        err = WSAGetLastError();
-        /* On UDP, a connreset simply means the previous send failed. 
-         * So we try again. 
-         * On TCP, it means our socket is now useless, so the error passes.
-         * (We will loop again, exiting because the same error will happen) */
-        if (err != WSAEWOULDBLOCK) {
-            if (err != WSAECONNRESET || prev == WSAECONNRESET) return err;
-            prev = err;
-        }
-        if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
-    }
-}
-
-/*-------------------------------------------------------------------------*\
-* Put socket into blocking mode
-\*-------------------------------------------------------------------------*/
-void socket_setblocking(p_socket ps) {
-    u_long argp = 0;
-    ioctlsocket(*ps, FIONBIO, &argp);
-}
-
-/*-------------------------------------------------------------------------*\
-* Put socket into non-blocking mode
-\*-------------------------------------------------------------------------*/
-void socket_setnonblocking(p_socket ps) {
-    u_long argp = 1;
-    ioctlsocket(*ps, FIONBIO, &argp);
-}
-
-/*-------------------------------------------------------------------------*\
-* DNS helpers 
-\*-------------------------------------------------------------------------*/
-int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
-    *hp = gethostbyaddr(addr, len, AF_INET);
-    if (*hp) return IO_DONE;
-    else return WSAGetLastError();
-}
-
-int socket_gethostbyname(const char *addr, struct hostent **hp) {
-    *hp = gethostbyname(addr);
-    if (*hp) return IO_DONE;
-    else return  WSAGetLastError();
-}
-
-/*-------------------------------------------------------------------------*\
-* Error translation functions
-\*-------------------------------------------------------------------------*/
-const char *socket_hoststrerror(int err) {
-    if (err <= 0) return io_strerror(err);
-    switch (err) {
-        case WSAHOST_NOT_FOUND: return "host not found";
-        default: return wstrerror(err); 
-    }
-}
-
-const char *socket_strerror(int err) {
-    if (err <= 0) return io_strerror(err);
-    switch (err) {
-        case WSAEADDRINUSE: return "address already in use";
-        case WSAECONNREFUSED: return "connection refused";
-        case WSAEISCONN: return "already connected";
-        case WSAEACCES: return "permission denied";
-        case WSAECONNABORTED: return "closed";
-        case WSAECONNRESET: return "closed";
-        case WSAETIMEDOUT: return "timeout";
-        default: return wstrerror(err);
-    }
-}
-
-const char *socket_ioerror(p_socket ps, int err) {
-    (void) ps;
-    return socket_strerror(err);
-}
-
-static const char *wstrerror(int err) {
-    switch (err) {
-        case WSAEINTR: return "Interrupted function call";
-        case WSAEACCES: return "Permission denied";
-        case WSAEFAULT: return "Bad address";
-        case WSAEINVAL: return "Invalid argument";
-        case WSAEMFILE: return "Too many open files";
-        case WSAEWOULDBLOCK: return "Resource temporarily unavailable";
-        case WSAEINPROGRESS: return "Operation now in progress";
-        case WSAEALREADY: return "Operation already in progress";
-        case WSAENOTSOCK: return "Socket operation on nonsocket";
-        case WSAEDESTADDRREQ: return "Destination address required";
-        case WSAEMSGSIZE: return "Message too long";
-        case WSAEPROTOTYPE: return "Protocol wrong type for socket";
-        case WSAENOPROTOOPT: return "Bad protocol option";
-        case WSAEPROTONOSUPPORT: return "Protocol not supported";
-        case WSAESOCKTNOSUPPORT: return "Socket type not supported";
-        case WSAEOPNOTSUPP: return "Operation not supported";
-        case WSAEPFNOSUPPORT: return "Protocol family not supported";
-        case WSAEAFNOSUPPORT: 
-            return "Address family not supported by protocol family"; 
-        case WSAEADDRINUSE: return "Address already in use";
-        case WSAEADDRNOTAVAIL: return "Cannot assign requested address";
-        case WSAENETDOWN: return "Network is down";
-        case WSAENETUNREACH: return "Network is unreachable";
-        case WSAENETRESET: return "Network dropped connection on reset";
-        case WSAECONNABORTED: return "Software caused connection abort";
-        case WSAECONNRESET: return "Connection reset by peer";
-        case WSAENOBUFS: return "No buffer space available";
-        case WSAEISCONN: return "Socket is already connected";
-        case WSAENOTCONN: return "Socket is not connected";
-        case WSAESHUTDOWN: return "Cannot send after socket shutdown";
-        case WSAETIMEDOUT: return "Connection timed out";
-        case WSAECONNREFUSED: return "Connection refused";
-        case WSAEHOSTDOWN: return "Host is down";
-        case WSAEHOSTUNREACH: return "No route to host";
-        case WSAEPROCLIM: return "Too many processes";
-        case WSASYSNOTREADY: return "Network subsystem is unavailable";
-        case WSAVERNOTSUPPORTED: return "Winsock.dll version out of range";
-        case WSANOTINITIALISED: 
-            return "Successful WSAStartup not yet performed";
-        case WSAEDISCON: return "Graceful shutdown in progress";
-        case WSAHOST_NOT_FOUND: return "Host not found";
-        case WSATRY_AGAIN: return "Nonauthoritative host not found";
-        case WSANO_RECOVERY: return "Nonrecoverable name lookup error"; 
-        case WSANO_DATA: return "Valid name, no data record of requested type";
-        default: return "Unknown error";
-    }
-}
-
-const char *socket_gaistrerror(int err) {
-    if (err == 0) return NULL; 
-    switch (err) {
-        case EAI_AGAIN: return "temporary failure in name resolution";
-        case EAI_BADFLAGS: return "invalid value for ai_flags";
-#ifdef EAI_BADHINTS
-        case EAI_BADHINTS: return "invalid value for hints";
-#endif
-        case EAI_FAIL: return "non-recoverable failure in name resolution";
-        case EAI_FAMILY: return "ai_family not supported";
-        case EAI_MEMORY: return "memory allocation failure";
-        case EAI_NONAME: 
-            return "host or service not provided, or not known";
-#ifdef EAI_OVERFLOW
-        case EAI_OVERFLOW: return "argument buffer overflow";
-#endif
-#ifdef EAI_PROTOCOL
-        case EAI_PROTOCOL: return "resolved protocol is unknown";
-#endif
-        case EAI_SERVICE: return "service not supported for socket type";
-        case EAI_SOCKTYPE: return "ai_socktype not supported";
-#ifdef EAI_SYSTEM
-        case EAI_SYSTEM: return strerror(errno); 
-#endif
-        default: return gai_strerror(err);
-    }
-}
-