Ejemplo n.º 1
0
Archivo: stream.c Proyecto: imclab/pyuv
static PyObject *
Stream_func_writelines(Stream *self, PyObject *args)
{
    int r, buf_count;
    Py_buffer *views;
    PyObject *callback, *seq, *ret;
    uv_buf_t *bufs;
    stream_write_ctx *ctx;

    callback = Py_None;

    RAISE_IF_HANDLE_NOT_INITIALIZED(self, NULL);
    RAISE_IF_HANDLE_CLOSED(self, PyExc_HandleClosedError, NULL);

    if (!PyArg_ParseTuple(args, "O|O:writelines", &seq, &callback)) {
        return NULL;
    }

    if (callback != Py_None && !PyCallable_Check(callback)) {
        PyErr_SetString(PyExc_TypeError, "a callable or None is required");
        return NULL;
    }

    ctx = PyMem_Malloc(sizeof *ctx);
    if (!ctx) {
        PyErr_NoMemory();
        return NULL;
    }

    r = pyseq2uvbuf(seq, &views, &bufs, &buf_count);
    if (r != 0) {
        /* error is already set */
        PyMem_Free(ctx);
        return NULL;
    }

    ret = pyuv_stream_write(self, ctx, views, bufs, buf_count, callback, NULL);

    /* uv_write copies the uv_buf_t structures, so we can free them now */
    PyMem_Free(bufs);

    return ret;
}
Ejemplo n.º 2
0
Archivo: udp.c Proyecto: ayanamist/pyuv
static PyObject *
UDP_func_send(UDP *self, PyObject *args)
{
    int r, dest_port, address_type;
    char *dest_ip;
    uv_buf_t buf;
    Py_buffer *view;
    PyObject *callback = Py_None;
    uv_udp_send_t *wr = NULL;
    udp_send_data_t *req_data = NULL;

    RAISE_IF_HANDLE_NOT_INITIALIZED(self, NULL);
    RAISE_IF_HANDLE_CLOSED(self, PyExc_HandleClosedError, NULL);

    view = PyMem_Malloc(sizeof *view);
    if (!view) {
        PyErr_NoMemory();
        return NULL;
    }

#ifdef PYUV_PYTHON3
    if (!PyArg_ParseTuple(args, "(si)y*|O:send", &dest_ip, &dest_port, view, &callback)) {
#else
    if (!PyArg_ParseTuple(args, "(si)s*|O:send", &dest_ip, &dest_port, view, &callback)) {
#endif
        return NULL;
    }

    if (callback != Py_None && !PyCallable_Check(callback)) {
        PyErr_SetString(PyExc_TypeError, "a callable or None is required");
        goto error1;
    }

    if (dest_port < 0 || dest_port > 65535) {
        PyErr_SetString(PyExc_ValueError, "port must be between 0 and 65535");
        goto error1;
    }

    if (pyuv_guess_ip_family(dest_ip, &address_type)) {
        PyErr_SetString(PyExc_ValueError, "invalid IP address");
        goto error1;
    }

    Py_INCREF(callback);

    wr = PyMem_Malloc(sizeof *wr);
    if (!wr) {
        PyErr_NoMemory();
        goto error2;
    }

    req_data = PyMem_Malloc(sizeof *req_data);
    if (!req_data) {
        PyErr_NoMemory();
        goto error2;
    }

    buf = uv_buf_init(view->buf, view->len);
    req_data->callback = callback;
    req_data->view_count = 1;
    req_data->views = view;

    wr->data = (void *)req_data;

    if (address_type == AF_INET) {
        r = uv_udp_send(wr, (uv_udp_t *)UV_HANDLE(self), &buf, 1, uv_ip4_addr(dest_ip, dest_port), (uv_udp_send_cb)on_udp_send);
    } else {
        r = uv_udp_send6(wr, (uv_udp_t *)UV_HANDLE(self), &buf, 1, uv_ip6_addr(dest_ip, dest_port), (uv_udp_send_cb)on_udp_send);
    }
    if (r != 0) {
        RAISE_UV_EXCEPTION(UV_HANDLE_LOOP(self), PyExc_UDPError);
        goto error2;
    }

    /* Increase refcount so that object is not removed before the callback is called */
    Py_INCREF(self);

    Py_RETURN_NONE;

error2:
    Py_DECREF(callback);
    PyMem_Free(req_data);
    PyMem_Free(wr);
error1:
    PyBuffer_Release(view);
    PyMem_Free(view);
    return NULL;
}


static PyObject *
UDP_func_sendlines(UDP *self, PyObject *args)
{
    int i, r, buf_count, dest_port, address_type;
    char *dest_ip;
    PyObject *callback, *seq;
    Py_buffer *views;
    uv_buf_t *bufs;
    uv_udp_send_t *wr = NULL;
    udp_send_data_t *req_data = NULL;

    callback = Py_None;

    RAISE_IF_HANDLE_NOT_INITIALIZED(self, NULL);
    RAISE_IF_HANDLE_CLOSED(self, PyExc_HandleClosedError, NULL);

    if (!PyArg_ParseTuple(args, "(si)O|O:sendlines", &dest_ip, &dest_port, &seq, &callback)) {
        return NULL;
    }

    if (callback != Py_None && !PyCallable_Check(callback)) {
        PyErr_SetString(PyExc_TypeError, "a callable or None is required");
        return NULL;
    }

    if (dest_port < 0 || dest_port > 65535) {
        PyErr_SetString(PyExc_ValueError, "port must be between 0 and 65535");
        return NULL;
    }

    if (pyuv_guess_ip_family(dest_ip, &address_type)) {
        PyErr_SetString(PyExc_ValueError, "invalid IP address");
        return NULL;
    }

    r = pyseq2uvbuf(seq, &views, &bufs, &buf_count);
    if (r != 0) {
        /* error is already set */
        return NULL;
    }

    Py_INCREF(callback);

    wr = PyMem_Malloc(sizeof *wr);
    if (!wr) {
        PyErr_NoMemory();
        goto error;
    }

    req_data = PyMem_Malloc(sizeof *req_data);
    if (!req_data) {
        PyErr_NoMemory();
        goto error;
    }

    req_data->callback = callback;
    req_data->view_count = buf_count;
    req_data->views = views;
    wr->data = (void *)req_data;

    if (address_type == AF_INET) {
        r = uv_udp_send(wr, (uv_udp_t *)UV_HANDLE(self), bufs, buf_count, uv_ip4_addr(dest_ip, dest_port), (uv_udp_send_cb)on_udp_send);
    } else {
        r = uv_udp_send6(wr, (uv_udp_t *)UV_HANDLE(self), bufs, buf_count, uv_ip6_addr(dest_ip, dest_port), (uv_udp_send_cb)on_udp_send);
    }

    /* uv_write copies the uv_buf_t structures, so we can free them now */
    PyMem_Free(bufs);
    bufs = NULL;

    if (r != 0) {
        RAISE_UV_EXCEPTION(UV_HANDLE_LOOP(self), PyExc_UDPError);
        goto error;
    }

    /* Increase refcount so that object is not removed before the callback is called */
    Py_INCREF(self);

    Py_RETURN_NONE;

error:
    Py_DECREF(callback);
    for (i = 0; i < buf_count; i++) {
        PyBuffer_Release(&views[i]);
    }
    PyMem_Free(views);
    PyMem_Free(bufs);
    PyMem_Free(req_data);
    PyMem_Free(wr);
    return NULL;
}
Ejemplo n.º 3
0
Archivo: udp.c Proyecto: imclab/pyuv
static PyObject *
UDP_func_sendlines(UDP *self, PyObject *args)
{
    int i, err, buf_count;
    struct sockaddr_storage ss;
    PyObject *addr, *callback, *seq;
    Py_buffer *views;
    uv_buf_t *bufs;
    udp_send_ctx *ctx;

    callback = Py_None;
    ctx = NULL;

    RAISE_IF_HANDLE_NOT_INITIALIZED(self, NULL);
    RAISE_IF_HANDLE_CLOSED(self, PyExc_HandleClosedError, NULL);

    if (!PyArg_ParseTuple(args, "OO|O:sendlines", &addr, &seq, &callback)) {
        return NULL;
    }

    if (callback != Py_None && !PyCallable_Check(callback)) {
        PyErr_SetString(PyExc_TypeError, "a callable or None is required");
        return NULL;
    }

    if (pyuv_parse_addr_tuple(addr, &ss) < 0) {
        /* Error is set by the function itself */
        return NULL;
    }

    err = pyseq2uvbuf(seq, &views, &bufs, &buf_count);
    if (err != 0) {
        /* error is already set */
        return NULL;
    }

    Py_INCREF(callback);

    ctx = PyMem_Malloc(sizeof *ctx);
    if (!ctx) {
        PyErr_NoMemory();
        goto error;
    }

    ctx->callback = callback;
    ctx->view_count = buf_count;
    ctx->views = views;

    err = uv_udp_send(&ctx->req, &self->udp_h, bufs, buf_count, (struct sockaddr *)&ss, (uv_udp_send_cb)on_udp_send);

    /* uv_write copies the uv_buf_t structures, so we can free them now */
    PyMem_Free(bufs);
    bufs = NULL;

    if (err < 0) {
        RAISE_UV_EXCEPTION(err, PyExc_UDPError);
        goto error;
    }

    /* Increase refcount so that object is not removed before the callback is called */
    Py_INCREF(self);

    Py_RETURN_NONE;

error:
    Py_DECREF(callback);
    for (i = 0; i < buf_count; i++) {
        PyBuffer_Release(&views[i]);
    }
    PyMem_Free(views);
    PyMem_Free(bufs);
    PyMem_Free(ctx);
    return NULL;
}
Ejemplo n.º 4
0
Archivo: udp.c Proyecto: jppommet/pyuv
static PyObject *
UDP_func_sendlines(UDP *self, PyObject *args)
{
    int i, r, buf_count, dest_port, address_type;
    char *dest_ip;
    PyObject *callback, *seq;
    uv_buf_t *bufs;
    uv_udp_send_t *wr = NULL;
    udp_send_data_t *req_data = NULL;

    callback = Py_None;

    RAISE_IF_HANDLE_CLOSED(self, PyExc_HandleClosedError, NULL);

    if (!PyArg_ParseTuple(args, "(si)O|O:sendlines", &dest_ip, &dest_port, &seq, &callback)) {
        return NULL;
    }

    if (callback != Py_None && !PyCallable_Check(callback)) {
        PyErr_SetString(PyExc_TypeError, "a callable or None is required");
        return NULL;
    }

    if (dest_port < 0 || dest_port > 65535) {
        PyErr_SetString(PyExc_ValueError, "port must be between 0 and 65535");
        return NULL;
    }

    if (pyuv_guess_ip_family(dest_ip, &address_type)) {
        PyErr_SetString(PyExc_ValueError, "invalid IP address");
        return NULL;
    }

    Py_INCREF(callback);

    r = pyseq2uvbuf(seq, &bufs, &buf_count);
    if (r != 0) {
        /* error is already set */
        goto error;
    }

    if (buf_count == 0) {
        PyErr_SetString(PyExc_ValueError, "Sequence is empty");
        goto error;
    }

    wr = (uv_udp_send_t *)PyMem_Malloc(sizeof(uv_udp_send_t));
    if (!wr) {
        PyErr_NoMemory();
        goto error;
    }

    req_data = (udp_send_data_t*) PyMem_Malloc(sizeof(udp_send_data_t));
    if (!req_data) {
        PyErr_NoMemory();
        goto error;
    }

    req_data->callback = callback;
    req_data->buf_count = buf_count;
    req_data->data.bufs = bufs;
    wr->data = (void *)req_data;

    if (address_type == AF_INET) {
        r = uv_udp_send(wr, (uv_udp_t *)UV_HANDLE(self), bufs, buf_count, uv_ip4_addr(dest_ip, dest_port), (uv_udp_send_cb)on_udp_send);
    } else {
        r = uv_udp_send6(wr, (uv_udp_t *)UV_HANDLE(self), bufs, buf_count, uv_ip6_addr(dest_ip, dest_port), (uv_udp_send_cb)on_udp_send);
    }
    if (r != 0) {
        RAISE_UV_EXCEPTION(UV_HANDLE_LOOP(self), PyExc_UDPError);
        goto error;
    }

    Py_RETURN_NONE;

error:
    Py_DECREF(callback);
    if (bufs) {
        for (i = 0; i < buf_count; i++) {
            PyMem_Free(bufs[i].base);
        }
        PyMem_Free(bufs);
    }
    if (req_data) {
        PyMem_Free(req_data);
    }
    if (wr) {
        PyMem_Free(wr);
    }
    return NULL;
}