void uv__stream_init(uv_loop_t* loop,
uv_stream_t* stream,
uv_handle_type type) {
uv__handle_init(loop, (uv_handle_t*)stream, type);
stream->read_cb = NULL;
stream->read2_cb = NULL;
stream->alloc_cb = NULL;
stream->close_cb = NULL;
stream->connection_cb = NULL;
stream->connect_req = NULL;
stream->shutdown_req = NULL;
stream->accepted_fd = -1;
stream->fd = -1;
stream->delayed_error = 0;
ngx_queue_init(&stream->write_queue);
ngx_queue_init(&stream->write_completed_queue);
stream->write_queue_size = 0;
if (loop->emfile_fd == -1)
loop->emfile_fd = uv__open_cloexec("/", O_RDONLY);
#if defined(__APPLE__)
stream->select = NULL;
#endif /* defined(__APPLE_) */
uv__io_init(&stream->read_watcher, uv__stream_io, -1, 0);
uv__io_init(&stream->write_watcher, uv__stream_io, -1, 0);
}
int uv_udp_init_ex(uv_loop_t* loop, uv_udp_t* handle, unsigned int flags) {
int domain;
int err;
int fd;
/* Use the lower 8 bits for the domain */
domain = flags & 0xFF;
if (domain != AF_INET && domain != AF_INET6 && domain != AF_UNSPEC)
return -EINVAL;
if (flags & ~0xFF)
return -EINVAL;
if (domain != AF_UNSPEC) {
err = uv__socket(domain, SOCK_DGRAM, 0);
if (err < 0)
return err;
fd = err;
} else {
fd = -1;
}
uv__handle_init(loop, (uv_handle_t*)handle, UV_UDP);
handle->alloc_cb = NULL;
handle->recv_cb = NULL;
handle->send_queue_size = 0;
handle->send_queue_count = 0;
uv__io_init(&handle->io_watcher, uv__udp_io, fd);
QUEUE_INIT(&handle->write_queue);
QUEUE_INIT(&handle->write_completed_queue);
return 0;
}
void uv__stream_init(uv_loop_t* loop,
uv_stream_t* stream,
uv_handle_type type) {
int err;
uv__handle_init(loop, (uv_handle_t*)stream, type);
stream->read_cb = NULL;
stream->alloc_cb = NULL;
stream->close_cb = NULL;
stream->connection_cb = NULL;
stream->connect_req = NULL;
stream->shutdown_req = NULL;
stream->accepted_fd = -1;
stream->queued_fds = NULL;
stream->delayed_error = 0;
QUEUE_INIT(&stream->write_queue);
QUEUE_INIT(&stream->write_completed_queue);
stream->write_queue_size = 0;
if (loop->emfile_fd == -1) {
err = uv__open_cloexec("/", O_RDONLY);
if (err >= 0)
loop->emfile_fd = err;
}
#if defined(__APPLE__)
stream->select = NULL;
#endif /* defined(__APPLE_) */
uv__io_init(&stream->io_watcher, uv__stream_io, -1);
}
int uv_fs_event_start(uv_fs_event_t* handle,
uv_fs_event_cb cb,
const char* filename,
unsigned int flags) {
int portfd;
int first_run;
if (uv__is_active(handle))
return -EINVAL;
first_run = 0;
if (handle->loop->fs_fd == -1) {
portfd = port_create();
if (portfd == -1)
return -errno;
handle->loop->fs_fd = portfd;
first_run = 1;
}
uv__handle_start(handle);
handle->filename = strdup(filename);
handle->fd = PORT_UNUSED;
handle->cb = cb;
memset(&handle->fo, 0, sizeof handle->fo);
handle->fo.fo_name = handle->filename;
uv__fs_event_rearm(handle); /* FIXME(bnoordhuis) Check return code. */
if (first_run) {
uv__io_init(&handle->loop->fs_event_watcher, uv__fs_event_read, portfd);
uv__io_start(handle->loop, &handle->loop->fs_event_watcher, UV__POLLIN);
}
return 0;
}
int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb) {
int saved_errno;
int status;
saved_errno = errno;
status = -1;
if (handle->fd == -1) {
uv__set_artificial_error(handle->loop, UV_EINVAL);
goto out;
}
assert(handle->fd >= 0);
if ((status = listen(handle->fd, backlog)) == -1) {
uv__set_sys_error(handle->loop, errno);
} else {
handle->connection_cb = cb;
uv__io_init(&handle->read_watcher,
uv__pipe_accept,
handle->fd,
UV__IO_READ);
uv__io_start(handle->loop, &handle->read_watcher);
}
out:
errno = saved_errno;
return status;
}
int uv_fs_event_init(uv_loop_t* loop,
uv_fs_event_t* handle,
const char* filename,
uv_fs_event_cb cb,
int flags) {
int portfd;
int first_run = 0;
if (loop->fs_fd == -1) {
if ((portfd = port_create()) == -1) {
uv__set_sys_error(loop, errno);
return -1;
}
loop->fs_fd = portfd;
first_run = 1;
}
uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT);
uv__handle_start(handle); /* FIXME shouldn't start automatically */
handle->filename = strdup(filename);
handle->fd = PORT_UNUSED;
handle->cb = cb;
memset(&handle->fo, 0, sizeof handle->fo);
handle->fo.fo_name = handle->filename;
uv__fs_event_rearm(handle);
if (first_run) {
uv__io_init(&loop->fs_event_watcher, uv__fs_event_read, portfd);
uv__io_start(loop, &loop->fs_event_watcher, UV__POLLIN);
}
return 0;
}
int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd) {
int err;
if (uv__fd_exists(loop, fd))
return UV_EEXIST;
err = uv__io_check_fd(loop, fd);
if (err)
return err;
/* If ioctl(FIONBIO) reports ENOTTY, try fcntl(F_GETFL) + fcntl(F_SETFL).
* Workaround for e.g. kqueue fds not supporting ioctls.
*/
err = uv__nonblock(fd, 1);
if (err == UV_ENOTTY)
if (uv__nonblock == uv__nonblock_ioctl)
err = uv__nonblock_fcntl(fd, 1);
if (err)
return err;
uv__handle_init(loop, (uv_handle_t*) handle, UV_POLL);
uv__io_init(&handle->io_watcher, uv__poll_io, fd);
handle->poll_cb = NULL;
return 0;
}
int uv_udp_init(uv_loop_t* loop, uv_udp_t* handle) {
uv__handle_init(loop, (uv_handle_t*)handle, UV_UDP);
handle->alloc_cb = NULL;
handle->recv_cb = NULL;
uv__io_init(&handle->io_watcher, uv__udp_io, -1);
ngx_queue_init(&handle->write_queue);
ngx_queue_init(&handle->write_completed_queue);
return 0;
}
static void uv__udp_start_watcher(uv_udp_t* handle,
uv__io_t* w,
uv__io_cb cb,
int events) {
if (uv__io_active(w)) return;
uv__io_init(w, cb, handle->fd, events);
uv__io_start(handle->loop, w);
uv__handle_start(handle);
}
int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd) {
uv__handle_init(loop, (uv_handle_t*) handle, UV_POLL);
loop->counters.poll_init++;
handle->fd = fd;
handle->poll_cb = NULL;
uv__io_init(&handle->io_watcher, uv__poll_io, fd, 0);
return 0;
}
int uv_udp_init(uv_loop_t* loop, uv_udp_t* handle) {
uv__handle_init(loop, (uv_handle_t*)handle, UV_UDP);
handle->alloc_cb = NULL;
handle->recv_cb = NULL;
handle->send_queue_size = 0;
handle->send_queue_count = 0;
uv__io_init(&handle->io_watcher, uv__udp_io, -1);
QUEUE_INIT(&handle->write_queue);
QUEUE_INIT(&handle->write_completed_queue);
return 0;
}
int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd) {
int err;
err = uv__nonblock(fd, 1);
if (err)
return err;
uv__handle_init(loop, (uv_handle_t*) handle, UV_POLL);
uv__io_init(&handle->io_watcher, uv__poll_io, fd);
handle->poll_cb = NULL;
return 0;
}
int uv_fs_event_start(uv_fs_event_t* handle,
uv_fs_event_cb cb,
const char* filename,
unsigned int flags) {
#ifdef HAVE_SYS_AHAFS_EVPRODS_H
int fd, rc, str_offset = 0;
char cwd[PATH_MAX];
char absolute_path[PATH_MAX];
char readlink_cwd[PATH_MAX];
/* Figure out whether filename is absolute or not */
if (filename[0] == '/') {
/* We have absolute pathname */
snprintf(absolute_path, sizeof(absolute_path), "%s", filename);
} else {
/* We have a relative pathname, compose the absolute pathname */
snprintf(cwd, sizeof(cwd), "/proc/%lu/cwd", (unsigned long) getpid());
rc = readlink(cwd, readlink_cwd, sizeof(readlink_cwd) - 1);
if (rc < 0)
return rc;
/* readlink does not null terminate our string */
readlink_cwd[rc] = '\0';
if (filename[0] == '.' && filename[1] == '/')
str_offset = 2;
snprintf(absolute_path, sizeof(absolute_path), "%s%s", readlink_cwd,
filename + str_offset);
}
if (uv__is_ahafs_mounted() < 0) /* /aha checks failed */
return UV_ENOSYS;
/* Setup ahafs */
rc = uv__setup_ahafs((const char *)absolute_path, &fd);
if (rc != 0)
return rc;
/* Setup/Initialize all the libuv routines */
uv__handle_start(handle);
uv__io_init(&handle->event_watcher, uv__ahafs_event, fd);
handle->path = uv__strdup(filename);
handle->cb = cb;
handle->dir_filename = NULL;
uv__io_start(handle->loop, &handle->event_watcher, POLLIN);
return 0;
#else
return -ENOSYS;
#endif
}
void uv__stream_init(uv_loop_t* loop,
uv_stream_t* stream,
uv_handle_type type) {
uv__handle_init(loop, (uv_handle_t*)stream, type);
loop->counters.stream_init++;
stream->alloc_cb = NULL;
stream->close_cb = NULL;
stream->connection_cb = NULL;
stream->connect_req = NULL;
stream->shutdown_req = NULL;
stream->accepted_fd = -1;
stream->fd = -1;
stream->delayed_error = 0;
ngx_queue_init(&stream->write_queue);
ngx_queue_init(&stream->write_completed_queue);
stream->write_queue_size = 0;
uv__io_init(&stream->read_watcher, uv__stream_io, -1, 0);
uv__io_init(&stream->write_watcher, uv__stream_io, -1, 0);
}
int uv_fs_event_start(uv_fs_event_t* handle,
uv_fs_event_cb cb,
const char* path,
unsigned int flags) {
#if defined(__APPLE__)
struct stat statbuf;
#endif /* defined(__APPLE__) */
int fd;
if (uv__is_active(handle))
return -EINVAL;
/* TODO open asynchronously - but how do we report back errors? */
fd = open(path, O_RDONLY);
if (fd == -1)
return -errno;
uv__handle_start(handle);
uv__io_init(&handle->event_watcher, uv__fs_event, fd);
handle->path = uv__strdup(path);
handle->cb = cb;
#if defined(__APPLE__)
/* Nullify field to perform checks later */
handle->cf_cb = NULL;
handle->realpath = NULL;
handle->realpath_len = 0;
handle->cf_flags = flags;
if (fstat(fd, &statbuf))
goto fallback;
/* FSEvents works only with directories */
if (!(statbuf.st_mode & S_IFDIR))
goto fallback;
/* The fallback fd is no longer needed */
uv__close(fd);
handle->event_watcher.fd = -1;
return uv__fsevents_init(handle);
fallback:
#endif /* defined(__APPLE__) */
uv__io_start(handle->loop, &handle->event_watcher, POLLIN);
return 0;
}
static int init_inotify(uv_loop_t* loop) {
int err;
if (loop->inotify_fd != -1)
return 0;
err = new_inotify_fd();
if (err < 0)
return err;
loop->inotify_fd = err;
uv__io_init(&loop->inotify_read_watcher, uv__inotify_read, loop->inotify_fd);
uv__io_start(loop, &loop->inotify_read_watcher, UV__POLLIN);
return 0;
}
int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb) {
int pipefd[2];
int err;
if (wa->io_watcher.fd != -1)
return 0;
err = uv__async_eventfd();
if (err >= 0) {
pipefd[0] = err;
pipefd[1] = -1;
}
else if (err == -ENOSYS) {
err = uv__make_pipe(pipefd, UV__F_NONBLOCK);
#if defined(__linux__)
/* Save a file descriptor by opening one of the pipe descriptors as
* read/write through the procfs. That file descriptor can then
* function as both ends of the pipe.
*/
if (err == 0) {
char buf[32];
int fd;
snprintf(buf, sizeof(buf), "/proc/self/fd/%d", pipefd[0]);
fd = uv__open_cloexec(buf, O_RDWR);
if (fd >= 0) {
uv__close(pipefd[0]);
uv__close(pipefd[1]);
pipefd[0] = fd;
pipefd[1] = fd;
}
}
#endif
}
if (err < 0)
return err;
uv__io_init(&wa->io_watcher, uv__async_io, pipefd[0]);
uv__io_start(loop, &wa->io_watcher, POLLIN);
wa->wfd = pipefd[1];
wa->cb = cb;
return 0;
}
int uv_fs_event_init(uv_loop_t* loop,
uv_fs_event_t* handle,
const char* filename,
uv_fs_event_cb cb,
int flags) {
#if defined(__APPLE__)
struct stat statbuf;
#endif /* defined(__APPLE__) */
int fd;
/* TODO open asynchronously - but how do we report back errors? */
if ((fd = open(filename, O_RDONLY)) == -1) {
uv__set_sys_error(loop, errno);
return -1;
}
uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT);
uv__handle_start(handle); /* FIXME shouldn't start automatically */
uv__io_init(&handle->event_watcher, uv__fs_event, fd);
handle->filename = strdup(filename);
handle->cb = cb;
#if defined(__APPLE__)
/* Nullify field to perform checks later */
handle->cf_eventstream = NULL;
handle->realpath = NULL;
handle->realpath_len = 0;
handle->cf_flags = flags;
if (fstat(fd, &statbuf))
goto fallback;
/* FSEvents works only with directories */
if (!(statbuf.st_mode & S_IFDIR))
goto fallback;
return uv__fsevents_init(handle);
fallback:
#endif /* defined(__APPLE__) */
uv__io_start(loop, &handle->event_watcher, UV__POLLIN);
return 0;
}
int uv_fs_event_start(uv_fs_event_t* handle,
uv_fs_event_cb cb,
const char* path,
unsigned int flags) {
int portfd;
int first_run;
int err;
if (uv__is_active(handle))
return -EINVAL;
first_run = 0;
if (handle->loop->fs_fd == -1) {
portfd = port_create();
if (portfd == -1)
return -errno;
handle->loop->fs_fd = portfd;
first_run = 1;
}
uv__handle_start(handle);
handle->path = uv__strdup(path);
handle->fd = PORT_UNUSED;
handle->cb = cb;
memset(&handle->fo, 0, sizeof handle->fo);
handle->fo.fo_name = handle->path;
err = uv__fs_event_rearm(handle);
if (err != 0)
return err;
if (first_run) {
uv__io_init(&handle->loop->fs_event_watcher, uv__fs_event_read, portfd);
uv__io_start(handle->loop, &handle->loop->fs_event_watcher, UV__POLLIN);
}
return 0;
}
int uv_codius_async_init(uv_loop_t* loop) {
uv__io_init(&loop->codius_async_watcher, uv__codius_async_io, CODIUS_ASYNC_IO_FD);
uv__io_start(loop, &loop->codius_async_watcher, UV__POLLIN);
return 0;
}
int uv_fs_event_start(uv_fs_event_t* handle,
uv_fs_event_cb cb,
const char* filename,
unsigned int flags) {
#ifdef HAVE_SYS_AHAFS_EVPRODS_H
int fd, rc, i = 0, res = 0;
char cwd[PATH_MAX];
char absolute_path[PATH_MAX];
char fname[PATH_MAX];
char *p;
/* Clean all the buffers*/
for(i = 0; i < PATH_MAX; i++) {
cwd[i] = 0;
absolute_path[i] = 0;
fname[i] = 0;
}
i = 0;
/* Figure out whether filename is absolute or not */
if (filename[0] == '/') {
/* We have absolute pathname, create the relative pathname*/
sprintf(absolute_path, filename);
p = strrchr(filename, '/');
p++;
} else {
if (filename[0] == '.' && filename[1] == '/') {
/* We have a relative pathname, compose the absolute pathname */
sprintf(fname, filename);
snprintf(cwd, PATH_MAX-1, "/proc/%lu/cwd", (unsigned long) getpid());
res = readlink(cwd, absolute_path, sizeof(absolute_path) - 1);
if (res < 0)
return res;
p = strrchr(absolute_path, '/');
p++;
p++;
} else {
/* We have a relative pathname, compose the absolute pathname */
sprintf(fname, filename);
snprintf(cwd, PATH_MAX-1, "/proc/%lu/cwd", (unsigned long) getpid());
res = readlink(cwd, absolute_path, sizeof(absolute_path) - 1);
if (res < 0)
return res;
p = strrchr(absolute_path, '/');
p++;
}
/* Copy to filename buffer */
while(filename[i] != NULL) {
*p = filename[i];
i++;
p++;
}
}
if (uv__is_ahafs_mounted() < 0) /* /aha checks failed */
return UV_ENOSYS;
/* Setup ahafs */
rc = uv__setup_ahafs((const char *)absolute_path, &fd);
if (rc != 0)
return rc;
/* Setup/Initialize all the libuv routines */
uv__handle_start(handle);
uv__io_init(&handle->event_watcher, uv__ahafs_event, fd);
handle->path = uv__strdup((const char*)&absolute_path);
handle->cb = cb;
uv__io_start(handle->loop, &handle->event_watcher, UV__POLLIN);
return 0;
#else
return -ENOSYS;
#endif
}
int uv_fs_event_start(uv_fs_event_t* handle,
uv_fs_event_cb cb,
const char* filename,
unsigned int flags) {
#ifdef HAVE_SYS_AHAFS_EVPRODS_H
int fd, rc, str_offset = 0;
char cwd[PATH_MAX];
char absolute_path[PATH_MAX];
char readlink_cwd[PATH_MAX];
struct timeval zt;
fd_set pollfd;
/* Figure out whether filename is absolute or not */
if (filename[0] == '\0') {
/* Missing a pathname */
return UV_ENOENT;
}
else if (filename[0] == '/') {
/* We have absolute pathname */
/* TODO(bnoordhuis) Check uv__strscpy() return value. */
uv__strscpy(absolute_path, filename, sizeof(absolute_path));
} else {
/* We have a relative pathname, compose the absolute pathname */
snprintf(cwd, sizeof(cwd), "/proc/%lu/cwd", (unsigned long) getpid());
rc = readlink(cwd, readlink_cwd, sizeof(readlink_cwd) - 1);
if (rc < 0)
return rc;
/* readlink does not null terminate our string */
readlink_cwd[rc] = '\0';
if (filename[0] == '.' && filename[1] == '/')
str_offset = 2;
snprintf(absolute_path, sizeof(absolute_path), "%s%s", readlink_cwd,
filename + str_offset);
}
if (uv__is_ahafs_mounted() < 0) /* /aha checks failed */
return UV_ENOSYS;
/* Setup ahafs */
rc = uv__setup_ahafs((const char *)absolute_path, &fd);
if (rc != 0)
return rc;
/* Setup/Initialize all the libuv routines */
uv__handle_start(handle);
uv__io_init(&handle->event_watcher, uv__ahafs_event, fd);
handle->path = uv__strdup(filename);
handle->cb = cb;
handle->dir_filename = NULL;
uv__io_start(handle->loop, &handle->event_watcher, POLLIN);
/* AHAFS wants someone to poll for it to start mointoring.
* so kick-start it so that we don't miss an event in the
* eventuality of an event that occurs in the current loop. */
do {
memset(&zt, 0, sizeof(zt));
FD_ZERO(&pollfd);
FD_SET(fd, &pollfd);
rc = select(fd + 1, &pollfd, NULL, NULL, &zt);
} while (rc == -1 && errno == EINTR);
return 0;
#else
return UV_ENOSYS;
#endif
}
int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd) {
uv__handle_init(loop, (uv_handle_t*)handle, UV_POLL);
uv__io_init(&handle->io_watcher, uv__poll_io, fd);
handle->poll_cb = NULL;
return 0;
}
