mirror of
https://github.com/lunarmodules/luasocket.git
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usocket.c use LUASOCKET_PRIVATE
This commit is contained in:
E. Westbrook
parent
fe437ee844
commit
d7ffc2f4e6
@ -6,12 +6,14 @@
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* The penalty of calling select to avoid busy-wait is only paid when
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* the I/O call fail in the first place.
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\*=========================================================================*/
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#include <string.h>
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#include <signal.h>
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#include "luasocket.h"
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#include "socket.h"
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#include "pierror.h"
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#include <string.h>
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#include <signal.h>
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/*-------------------------------------------------------------------------*\
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* Wait for readable/writable/connected socket with timeout
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\*-------------------------------------------------------------------------*/
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@ -21,7 +23,7 @@
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#define WAITFD_R POLLIN
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#define WAITFD_W POLLOUT
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#define WAITFD_C (POLLIN|POLLOUT)
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int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
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LUASOCKET_PRIVATE int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
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int ret;
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struct pollfd pfd;
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pfd.fd = *ps;
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@ -43,7 +45,7 @@ int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
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#define WAITFD_W 2
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#define WAITFD_C (WAITFD_R|WAITFD_W)
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int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
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LUASOCKET_PRIVATE int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
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int ret;
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fd_set rfds, wfds, *rp, *wp;
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struct timeval tv, *tp;
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@ -75,7 +77,7 @@ int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
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/*-------------------------------------------------------------------------*\
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* Initializes module
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\*-------------------------------------------------------------------------*/
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int socket_open(void) {
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LUASOCKET_PRIVATE int socket_open(void) {
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/* installs a handler to ignore sigpipe or it will crash us */
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signal(SIGPIPE, SIG_IGN);
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return 1;
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@ -84,14 +86,14 @@ int socket_open(void) {
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/*-------------------------------------------------------------------------*\
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* Close module
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\*-------------------------------------------------------------------------*/
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int socket_close(void) {
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LUASOCKET_PRIVATE int socket_close(void) {
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return 1;
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}
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/*-------------------------------------------------------------------------*\
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* Close and inutilize socket
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\*-------------------------------------------------------------------------*/
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void socket_destroy(p_socket ps) {
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LUASOCKET_PRIVATE void socket_destroy(p_socket ps) {
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if (*ps != SOCKET_INVALID) {
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close(*ps);
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*ps = SOCKET_INVALID;
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@ -101,7 +103,7 @@ void socket_destroy(p_socket ps) {
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/*-------------------------------------------------------------------------*\
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* Select with timeout control
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\*-------------------------------------------------------------------------*/
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int socket_select(t_socket n, fd_set *rfds, fd_set *wfds, fd_set *efds,
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LUASOCKET_PRIVATE int socket_select(t_socket n, fd_set *rfds, fd_set *wfds, fd_set *efds,
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p_timeout tm) {
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int ret;
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do {
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@ -118,7 +120,7 @@ int socket_select(t_socket n, fd_set *rfds, fd_set *wfds, fd_set *efds,
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/*-------------------------------------------------------------------------*\
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* Creates and sets up a socket
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\*-------------------------------------------------------------------------*/
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int socket_create(p_socket ps, int domain, int type, int protocol) {
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LUASOCKET_PRIVATE int socket_create(p_socket ps, int domain, int type, int protocol) {
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*ps = socket(domain, type, protocol);
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if (*ps != SOCKET_INVALID) return IO_DONE;
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else return errno;
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@ -127,7 +129,7 @@ int socket_create(p_socket ps, int domain, int type, int protocol) {
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/*-------------------------------------------------------------------------*\
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* Binds or returns error message
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\*-------------------------------------------------------------------------*/
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int socket_bind(p_socket ps, SA *addr, socklen_t len) {
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LUASOCKET_PRIVATE int socket_bind(p_socket ps, SA *addr, socklen_t len) {
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int err = IO_DONE;
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socket_setblocking(ps);
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if (bind(*ps, addr, len) < 0) err = errno;
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@ -138,7 +140,7 @@ int socket_bind(p_socket ps, SA *addr, socklen_t len) {
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/*-------------------------------------------------------------------------*\
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*
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\*-------------------------------------------------------------------------*/
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int socket_listen(p_socket ps, int backlog) {
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LUASOCKET_PRIVATE int socket_listen(p_socket ps, int backlog) {
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int err = IO_DONE;
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if (listen(*ps, backlog)) err = errno;
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return err;
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@ -147,14 +149,14 @@ int socket_listen(p_socket ps, int backlog) {
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/*-------------------------------------------------------------------------*\
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*
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\*-------------------------------------------------------------------------*/
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void socket_shutdown(p_socket ps, int how) {
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LUASOCKET_PRIVATE void socket_shutdown(p_socket ps, int how) {
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shutdown(*ps, how);
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}
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/*-------------------------------------------------------------------------*\
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* Connects or returns error message
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\*-------------------------------------------------------------------------*/
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int socket_connect(p_socket ps, SA *addr, socklen_t len, p_timeout tm) {
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LUASOCKET_PRIVATE int socket_connect(p_socket ps, SA *addr, socklen_t len, p_timeout tm) {
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int err;
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/* avoid calling on closed sockets */
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if (*ps == SOCKET_INVALID) return IO_CLOSED;
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@ -176,7 +178,7 @@ int socket_connect(p_socket ps, SA *addr, socklen_t len, p_timeout tm) {
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/*-------------------------------------------------------------------------*\
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* Accept with timeout
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\*-------------------------------------------------------------------------*/
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int socket_accept(p_socket ps, p_socket pa, SA *addr, socklen_t *len, p_timeout tm) {
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LUASOCKET_PRIVATE int socket_accept(p_socket ps, p_socket pa, SA *addr, socklen_t *len, p_timeout tm) {
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if (*ps == SOCKET_INVALID) return IO_CLOSED;
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for ( ;; ) {
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int err;
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@ -193,7 +195,7 @@ int socket_accept(p_socket ps, p_socket pa, SA *addr, socklen_t *len, p_timeout
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/*-------------------------------------------------------------------------*\
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* Send with timeout
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\*-------------------------------------------------------------------------*/
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int socket_send(p_socket ps, const char *data, size_t count,
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LUASOCKET_PRIVATE int socket_send(p_socket ps, const char *data, size_t count,
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size_t *sent, p_timeout tm)
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{
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int err;
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@ -227,7 +229,7 @@ int socket_send(p_socket ps, const char *data, size_t count,
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/*-------------------------------------------------------------------------*\
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* Sendto with timeout
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\*-------------------------------------------------------------------------*/
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int socket_sendto(p_socket ps, const char *data, size_t count, size_t *sent,
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LUASOCKET_PRIVATE int socket_sendto(p_socket ps, const char *data, size_t count, size_t *sent,
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SA *addr, socklen_t len, p_timeout tm)
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{
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int err;
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@ -252,7 +254,7 @@ int socket_sendto(p_socket ps, const char *data, size_t count, size_t *sent,
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/*-------------------------------------------------------------------------*\
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* Receive with timeout
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\*-------------------------------------------------------------------------*/
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int socket_recv(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm) {
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LUASOCKET_PRIVATE int socket_recv(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm) {
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int err;
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*got = 0;
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if (*ps == SOCKET_INVALID) return IO_CLOSED;
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@ -274,7 +276,7 @@ int socket_recv(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm
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/*-------------------------------------------------------------------------*\
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* Recvfrom with timeout
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\*-------------------------------------------------------------------------*/
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int socket_recvfrom(p_socket ps, char *data, size_t count, size_t *got,
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LUASOCKET_PRIVATE int socket_recvfrom(p_socket ps, char *data, size_t count, size_t *got,
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SA *addr, socklen_t *len, p_timeout tm) {
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int err;
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*got = 0;
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@ -302,7 +304,7 @@ int socket_recvfrom(p_socket ps, char *data, size_t count, size_t *got,
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* with send/recv replaced with write/read. We can't just use write/read
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* in the socket version, because behaviour when size is zero is different.
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\*-------------------------------------------------------------------------*/
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int socket_write(p_socket ps, const char *data, size_t count,
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LUASOCKET_PRIVATE int socket_write(p_socket ps, const char *data, size_t count,
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size_t *sent, p_timeout tm)
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{
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int err;
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@ -337,7 +339,7 @@ int socket_write(p_socket ps, const char *data, size_t count,
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* Read with timeout
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* See note for socket_write
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\*-------------------------------------------------------------------------*/
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int socket_read(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm) {
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LUASOCKET_PRIVATE int socket_read(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm) {
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int err;
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*got = 0;
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if (*ps == SOCKET_INVALID) return IO_CLOSED;
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@ -359,7 +361,7 @@ int socket_read(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm
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/*-------------------------------------------------------------------------*\
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* Put socket into blocking mode
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\*-------------------------------------------------------------------------*/
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void socket_setblocking(p_socket ps) {
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LUASOCKET_PRIVATE void socket_setblocking(p_socket ps) {
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int flags = fcntl(*ps, F_GETFL, 0);
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flags &= (~(O_NONBLOCK));
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fcntl(*ps, F_SETFL, flags);
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@ -368,7 +370,7 @@ void socket_setblocking(p_socket ps) {
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/*-------------------------------------------------------------------------*\
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* Put socket into non-blocking mode
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\*-------------------------------------------------------------------------*/
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void socket_setnonblocking(p_socket ps) {
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LUASOCKET_PRIVATE void socket_setnonblocking(p_socket ps) {
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int flags = fcntl(*ps, F_GETFL, 0);
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flags |= O_NONBLOCK;
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fcntl(*ps, F_SETFL, flags);
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@ -377,7 +379,7 @@ void socket_setnonblocking(p_socket ps) {
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/*-------------------------------------------------------------------------*\
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* DNS helpers
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\*-------------------------------------------------------------------------*/
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int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
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LUASOCKET_PRIVATE int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
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*hp = gethostbyaddr(addr, len, AF_INET);
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if (*hp) return IO_DONE;
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else if (h_errno) return h_errno;
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@ -385,7 +387,7 @@ int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
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else return IO_UNKNOWN;
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}
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int socket_gethostbyname(const char *addr, struct hostent **hp) {
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LUASOCKET_PRIVATE int socket_gethostbyname(const char *addr, struct hostent **hp) {
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*hp = gethostbyname(addr);
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if (*hp) return IO_DONE;
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else if (h_errno) return h_errno;
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@ -397,7 +399,7 @@ int socket_gethostbyname(const char *addr, struct hostent **hp) {
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* Error translation functions
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* Make sure important error messages are standard
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\*-------------------------------------------------------------------------*/
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const char *socket_hoststrerror(int err) {
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LUASOCKET_PRIVATE const char *socket_hoststrerror(int err) {
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if (err <= 0) return io_strerror(err);
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switch (err) {
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case HOST_NOT_FOUND: return PIE_HOST_NOT_FOUND;
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@ -405,7 +407,7 @@ const char *socket_hoststrerror(int err) {
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}
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}
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const char *socket_strerror(int err) {
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LUASOCKET_PRIVATE const char *socket_strerror(int err) {
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if (err <= 0) return io_strerror(err);
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switch (err) {
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case EADDRINUSE: return PIE_ADDRINUSE;
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@ -421,12 +423,12 @@ const char *socket_strerror(int err) {
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}
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}
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const char *socket_ioerror(p_socket ps, int err) {
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LUASOCKET_PRIVATE const char *socket_ioerror(p_socket ps, int err) {
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(void) ps;
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return socket_strerror(err);
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}
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const char *socket_gaistrerror(int err) {
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LUASOCKET_PRIVATE const char *socket_gaistrerror(int err) {
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if (err == 0) return NULL;
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switch (err) {
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case EAI_AGAIN: return PIE_AGAIN;
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