update esppilight lib
content of the library is not filtered on 433mhz only
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@@ -0,0 +1,304 @@
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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "internal.h"
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <stdlib.h>
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int uv_pipe_init(uv_loop_t* loop, uv_pipe_t* handle, int ipc) {
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uv__stream_init(loop, (uv_stream_t*)handle, UV_NAMED_PIPE);
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handle->shutdown_req = NULL;
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handle->connect_req = NULL;
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handle->pipe_fname = NULL;
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handle->ipc = ipc;
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return 0;
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}
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int uv_pipe_bind(uv_pipe_t* handle, const char* name) {
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struct sockaddr_un saddr;
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const char* pipe_fname;
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int sockfd;
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int err;
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pipe_fname = NULL;
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/* Already bound? */
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if (uv__stream_fd(handle) >= 0)
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return -EINVAL;
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/* Make a copy of the file name, it outlives this function's scope. */
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pipe_fname = uv__strdup(name);
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if (pipe_fname == NULL)
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return -ENOMEM;
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/* We've got a copy, don't touch the original any more. */
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name = NULL;
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err = uv__socket(AF_UNIX, SOCK_STREAM, 0);
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if (err < 0)
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goto err_socket;
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sockfd = err;
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memset(&saddr, 0, sizeof saddr);
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strncpy(saddr.sun_path, pipe_fname, sizeof(saddr.sun_path) - 1);
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saddr.sun_path[sizeof(saddr.sun_path) - 1] = '\0';
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saddr.sun_family = AF_UNIX;
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if (bind(sockfd, (struct sockaddr*)&saddr, sizeof saddr)) {
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err = -errno;
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/* Convert ENOENT to EACCES for compatibility with Windows. */
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if (err == -ENOENT)
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err = -EACCES;
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uv__close(sockfd);
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goto err_socket;
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}
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/* Success. */
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handle->flags |= UV_HANDLE_BOUND;
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handle->pipe_fname = pipe_fname; /* Is a strdup'ed copy. */
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handle->io_watcher.fd = sockfd;
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return 0;
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err_socket:
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uv__free((void*)pipe_fname);
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return err;
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}
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int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb) {
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if (uv__stream_fd(handle) == -1)
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return -EINVAL;
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#if defined(__MVS__)
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/* On zOS, backlog=0 has undefined behaviour */
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if (backlog == 0)
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backlog = 1;
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else if (backlog < 0)
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backlog = SOMAXCONN;
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#endif
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if (listen(uv__stream_fd(handle), backlog))
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return -errno;
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handle->connection_cb = cb;
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handle->io_watcher.cb = uv__server_io;
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uv__io_start(handle->loop, &handle->io_watcher, POLLIN);
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return 0;
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}
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void uv__pipe_close(uv_pipe_t* handle) {
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if (handle->pipe_fname) {
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/*
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* Unlink the file system entity before closing the file descriptor.
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* Doing it the other way around introduces a race where our process
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* unlinks a socket with the same name that's just been created by
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* another thread or process.
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*/
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unlink(handle->pipe_fname);
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uv__free((void*)handle->pipe_fname);
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handle->pipe_fname = NULL;
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}
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uv__stream_close((uv_stream_t*)handle);
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}
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int uv_pipe_open(uv_pipe_t* handle, uv_file fd) {
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int err;
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err = uv__nonblock(fd, 1);
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if (err)
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return err;
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#if defined(__APPLE__)
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err = uv__stream_try_select((uv_stream_t*) handle, &fd);
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if (err)
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return err;
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#endif /* defined(__APPLE__) */
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return uv__stream_open((uv_stream_t*)handle,
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fd,
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UV_STREAM_READABLE | UV_STREAM_WRITABLE);
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}
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void uv_pipe_connect(uv_connect_t* req,
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uv_pipe_t* handle,
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const char* name,
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uv_connect_cb cb) {
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struct sockaddr_un saddr;
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int new_sock;
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int err;
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int r;
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new_sock = (uv__stream_fd(handle) == -1);
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if (new_sock) {
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err = uv__socket(AF_UNIX, SOCK_STREAM, 0);
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if (err < 0)
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goto out;
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handle->io_watcher.fd = err;
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}
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memset(&saddr, 0, sizeof saddr);
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strncpy(saddr.sun_path, name, sizeof(saddr.sun_path) - 1);
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saddr.sun_path[sizeof(saddr.sun_path) - 1] = '\0';
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saddr.sun_family = AF_UNIX;
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do {
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r = connect(uv__stream_fd(handle),
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(struct sockaddr*)&saddr, sizeof saddr);
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}
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while (r == -1 && errno == EINTR);
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if (r == -1 && errno != EINPROGRESS) {
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err = -errno;
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#if defined(__CYGWIN__) || defined(__MSYS__)
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/* EBADF is supposed to mean that the socket fd is bad, but
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Cygwin reports EBADF instead of ENOTSOCK when the file is
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not a socket. We do not expect to see a bad fd here
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(e.g. due to new_sock), so translate the error. */
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if (err == -EBADF)
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err = -ENOTSOCK;
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#endif
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goto out;
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}
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err = 0;
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if (new_sock) {
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err = uv__stream_open((uv_stream_t*)handle,
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uv__stream_fd(handle),
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UV_STREAM_READABLE | UV_STREAM_WRITABLE);
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}
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if (err == 0)
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uv__io_start(handle->loop, &handle->io_watcher, POLLIN | POLLOUT);
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out:
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handle->delayed_error = err;
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handle->connect_req = req;
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uv__req_init(handle->loop, req, UV_CONNECT);
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req->handle = (uv_stream_t*)handle;
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req->cb = cb;
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QUEUE_INIT(&req->queue);
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/* Force callback to run on next tick in case of error. */
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if (err)
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uv__io_feed(handle->loop, &handle->io_watcher);
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}
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typedef int (*uv__peersockfunc)(int, struct sockaddr*, socklen_t*);
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static int uv__pipe_getsockpeername(const uv_pipe_t* handle,
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uv__peersockfunc func,
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char* buffer,
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size_t* size) {
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struct sockaddr_un sa;
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socklen_t addrlen;
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int err;
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addrlen = sizeof(sa);
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memset(&sa, 0, addrlen);
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err = func(uv__stream_fd(handle), (struct sockaddr*) &sa, &addrlen);
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if (err < 0) {
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*size = 0;
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return -errno;
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}
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#if defined(__linux__)
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if (sa.sun_path[0] == 0)
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/* Linux abstract namespace */
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addrlen -= offsetof(struct sockaddr_un, sun_path);
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else
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#endif
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addrlen = strlen(sa.sun_path);
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if (addrlen >= *size) {
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*size = addrlen + 1;
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return UV_ENOBUFS;
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}
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memcpy(buffer, sa.sun_path, addrlen);
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*size = addrlen;
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/* only null-terminate if it's not an abstract socket */
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if (buffer[0] != '\0')
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buffer[addrlen] = '\0';
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return 0;
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}
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int uv_pipe_getsockname(const uv_pipe_t* handle, char* buffer, size_t* size) {
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return uv__pipe_getsockpeername(handle, getsockname, buffer, size);
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}
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int uv_pipe_getpeername(const uv_pipe_t* handle, char* buffer, size_t* size) {
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return uv__pipe_getsockpeername(handle, getpeername, buffer, size);
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}
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void uv_pipe_pending_instances(uv_pipe_t* handle, int count) {
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}
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int uv_pipe_pending_count(uv_pipe_t* handle) {
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uv__stream_queued_fds_t* queued_fds;
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if (!handle->ipc)
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return 0;
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if (handle->accepted_fd == -1)
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return 0;
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if (handle->queued_fds == NULL)
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return 1;
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queued_fds = handle->queued_fds;
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return queued_fds->offset + 1;
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}
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uv_handle_type uv_pipe_pending_type(uv_pipe_t* handle) {
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if (!handle->ipc)
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return UV_UNKNOWN_HANDLE;
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if (handle->accepted_fd == -1)
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return UV_UNKNOWN_HANDLE;
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else
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return uv__handle_type(handle->accepted_fd);
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}
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