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Copy pathsocketmodule.c.h
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2481 lines (2068 loc) · 71.2 KB
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/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
# include "pycore_gc.h" // PyGC_Head
# include "pycore_runtime.h" // _Py_ID()
#endif
#include "pycore_abstract.h" // _PyNumber_Index()
#include "pycore_long.h" // _PyLong_UInt16_Converter()
#include "pycore_modsupport.h" // _PyArg_CheckPositional()
#if (defined(HAVE_ACCEPT) || defined(HAVE_ACCEPT4))
PyDoc_STRVAR(_socket_socket__accept__doc__,
"_accept($self, /)\n"
"--\n"
"\n"
"Wait for an incoming connection.\n"
"\n"
"Return a new socket file descriptor representing the connection, and\n"
"the address of the client. For IP sockets, the address info is a\n"
"pair (hostaddr, port).");
#define _SOCKET_SOCKET__ACCEPT_METHODDEF \
{"_accept", (PyCFunction)_socket_socket__accept, METH_NOARGS, _socket_socket__accept__doc__},
static PyObject *
_socket_socket__accept_impl(PySocketSockObject *s);
static PyObject *
_socket_socket__accept(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket__accept_impl((PySocketSockObject *)s);
}
#endif /* (defined(HAVE_ACCEPT) || defined(HAVE_ACCEPT4)) */
PyDoc_STRVAR(_socket_socket_setblocking__doc__,
"setblocking($self, flag, /)\n"
"--\n"
"\n"
"Set the socket to blocking (flag is true) or non-blocking (false).\n"
"\n"
"setblocking(True) is equivalent to settimeout(None);\n"
"setblocking(False) is equivalent to settimeout(0.0).");
#define _SOCKET_SOCKET_SETBLOCKING_METHODDEF \
{"setblocking", (PyCFunction)_socket_socket_setblocking, METH_O, _socket_socket_setblocking__doc__},
static PyObject *
_socket_socket_setblocking_impl(PySocketSockObject *s, int flag);
static PyObject *
_socket_socket_setblocking(PyObject *s, PyObject *arg)
{
PyObject *return_value = NULL;
int flag;
flag = PyObject_IsTrue(arg);
if (flag < 0) {
goto exit;
}
return_value = _socket_socket_setblocking_impl((PySocketSockObject *)s, flag);
exit:
return return_value;
}
PyDoc_STRVAR(_socket_socket_getblocking__doc__,
"getblocking($self, /)\n"
"--\n"
"\n"
"Return True if socket is in blocking mode, False if in non-blocking.");
#define _SOCKET_SOCKET_GETBLOCKING_METHODDEF \
{"getblocking", (PyCFunction)_socket_socket_getblocking, METH_NOARGS, _socket_socket_getblocking__doc__},
static PyObject *
_socket_socket_getblocking_impl(PySocketSockObject *s);
static PyObject *
_socket_socket_getblocking(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_getblocking_impl((PySocketSockObject *)s);
}
PyDoc_STRVAR(_socket_socket_settimeout__doc__,
"settimeout($self, timeout, /)\n"
"--\n"
"\n"
"Set a timeout on socket operations.\n"
"\n"
"\'timeout\' can be a float, giving in seconds, or None. Setting a\n"
"timeout of None disables the timeout feature and is equivalent to\n"
"setblocking(1). Setting a timeout of zero is the same as\n"
"setblocking(0).");
#define _SOCKET_SOCKET_SETTIMEOUT_METHODDEF \
{"settimeout", (PyCFunction)_socket_socket_settimeout, METH_O, _socket_socket_settimeout__doc__},
static PyObject *
_socket_socket_settimeout_impl(PySocketSockObject *s, PyObject *arg);
static PyObject *
_socket_socket_settimeout(PyObject *s, PyObject *arg)
{
PyObject *return_value = NULL;
return_value = _socket_socket_settimeout_impl((PySocketSockObject *)s, arg);
return return_value;
}
PyDoc_STRVAR(_socket_socket_gettimeout__doc__,
"gettimeout($self, /)\n"
"--\n"
"\n"
"Return the timeout in seconds (float) of socket operations.\n"
"\n"
"A timeout of None indicates that timeouts on socket operations are\n"
"disabled.");
#define _SOCKET_SOCKET_GETTIMEOUT_METHODDEF \
{"gettimeout", (PyCFunction)_socket_socket_gettimeout, METH_NOARGS, _socket_socket_gettimeout__doc__},
static PyObject *
_socket_socket_gettimeout_impl(PySocketSockObject *self);
static PyObject *
_socket_socket_gettimeout(PyObject *self, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_gettimeout_impl((PySocketSockObject *)self);
}
PyDoc_STRVAR(_socket_socket_getsockopt__doc__,
"getsockopt($self, level, option, buffersize=0, /)\n"
"--\n"
"\n"
"Get a socket option.\n"
"\n"
"See the Unix manual for level and option. If a nonzero buffersize\n"
"argument is given, the return value is a bytes object of that\n"
"length; otherwise it is an integer.");
#define _SOCKET_SOCKET_GETSOCKOPT_METHODDEF \
{"getsockopt", _PyCFunction_CAST(_socket_socket_getsockopt), METH_FASTCALL, _socket_socket_getsockopt__doc__},
static PyObject *
_socket_socket_getsockopt_impl(PySocketSockObject *s, int level, int optname,
int buflen);
static PyObject *
_socket_socket_getsockopt(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int level;
int optname;
int buflen = 0;
if (!_PyArg_CheckPositional("getsockopt", nargs, 2, 3)) {
goto exit;
}
level = PyLong_AsInt(args[0]);
if (level == -1 && PyErr_Occurred()) {
goto exit;
}
optname = PyLong_AsInt(args[1]);
if (optname == -1 && PyErr_Occurred()) {
goto exit;
}
if (nargs < 3) {
goto skip_optional;
}
buflen = PyLong_AsInt(args[2]);
if (buflen == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_getsockopt_impl((PySocketSockObject *)s, level, optname, buflen);
exit:
return return_value;
}
#if defined(HAVE_BIND)
PyDoc_STRVAR(_socket_socket_bind__doc__,
"bind($self, address, /)\n"
"--\n"
"\n"
"Bind the socket to a local address.\n"
"\n"
"For IP sockets, the address is a pair (host, port); the host must\n"
"refer to the local host. For raw packet sockets the address is a\n"
"tuple (ifname, proto [,pkttype [,hatype [,addr]]]).");
#define _SOCKET_SOCKET_BIND_METHODDEF \
{"bind", (PyCFunction)_socket_socket_bind, METH_O, _socket_socket_bind__doc__},
static PyObject *
_socket_socket_bind_impl(PySocketSockObject *s, PyObject *addro);
static PyObject *
_socket_socket_bind(PyObject *s, PyObject *addro)
{
PyObject *return_value = NULL;
return_value = _socket_socket_bind_impl((PySocketSockObject *)s, addro);
return return_value;
}
#endif /* defined(HAVE_BIND) */
PyDoc_STRVAR(_socket_socket_close__doc__,
"close($self, /)\n"
"--\n"
"\n"
"close()\n"
"\n"
"Close the socket. It cannot be used after this call.");
#define _SOCKET_SOCKET_CLOSE_METHODDEF \
{"close", (PyCFunction)_socket_socket_close, METH_NOARGS, _socket_socket_close__doc__},
static PyObject *
_socket_socket_close_impl(PySocketSockObject *s);
static PyObject *
_socket_socket_close(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_close_impl((PySocketSockObject *)s);
}
PyDoc_STRVAR(_socket_socket_detach__doc__,
"detach($self, /)\n"
"--\n"
"\n"
"Close the socket object without closing the file descriptor.\n"
"\n"
"The object cannot be used after this call, but the file descriptor\n"
"can be reused for other purposes. The file descriptor is returned.");
#define _SOCKET_SOCKET_DETACH_METHODDEF \
{"detach", (PyCFunction)_socket_socket_detach, METH_NOARGS, _socket_socket_detach__doc__},
static PyObject *
_socket_socket_detach_impl(PySocketSockObject *s);
static PyObject *
_socket_socket_detach(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_detach_impl((PySocketSockObject *)s);
}
#if defined(HAVE_CONNECT)
PyDoc_STRVAR(_socket_socket_connect__doc__,
"connect($self, address, /)\n"
"--\n"
"\n"
"Connect the socket to a remote address.\n"
"\n"
"For IP sockets, the address is a pair (host, port).");
#define _SOCKET_SOCKET_CONNECT_METHODDEF \
{"connect", (PyCFunction)_socket_socket_connect, METH_O, _socket_socket_connect__doc__},
static PyObject *
_socket_socket_connect_impl(PySocketSockObject *s, PyObject *addro);
static PyObject *
_socket_socket_connect(PyObject *s, PyObject *addro)
{
PyObject *return_value = NULL;
return_value = _socket_socket_connect_impl((PySocketSockObject *)s, addro);
return return_value;
}
#endif /* defined(HAVE_CONNECT) */
#if defined(HAVE_CONNECT)
PyDoc_STRVAR(_socket_socket_connect_ex__doc__,
"connect_ex($self, address, /)\n"
"--\n"
"\n"
"Connect the socket to a remote address.\n"
"\n"
"This is like connect(address), but returns an error code (the errno\n"
"value) instead of raising an exception when an error occurs.");
#define _SOCKET_SOCKET_CONNECT_EX_METHODDEF \
{"connect_ex", (PyCFunction)_socket_socket_connect_ex, METH_O, _socket_socket_connect_ex__doc__},
static PyObject *
_socket_socket_connect_ex_impl(PySocketSockObject *s, PyObject *addro);
static PyObject *
_socket_socket_connect_ex(PyObject *s, PyObject *addro)
{
PyObject *return_value = NULL;
return_value = _socket_socket_connect_ex_impl((PySocketSockObject *)s, addro);
return return_value;
}
#endif /* defined(HAVE_CONNECT) */
PyDoc_STRVAR(_socket_socket_fileno__doc__,
"fileno($self, /)\n"
"--\n"
"\n"
"Return the integer file descriptor of the socket.");
#define _SOCKET_SOCKET_FILENO_METHODDEF \
{"fileno", (PyCFunction)_socket_socket_fileno, METH_NOARGS, _socket_socket_fileno__doc__},
static PyObject *
_socket_socket_fileno_impl(PySocketSockObject *s);
static PyObject *
_socket_socket_fileno(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_fileno_impl((PySocketSockObject *)s);
}
#if defined(HAVE_GETSOCKNAME)
PyDoc_STRVAR(_socket_socket_getsockname__doc__,
"getsockname($self, /)\n"
"--\n"
"\n"
"Return the address of the local endpoint.\n"
"\n"
"The format depends on the address family. For IPv4 sockets, the\n"
"address info is a pair (hostaddr, port). For IPv6 sockets, the\n"
"address info is a 4-tuple (hostaddr, port, flowinfo, scope_id).");
#define _SOCKET_SOCKET_GETSOCKNAME_METHODDEF \
{"getsockname", (PyCFunction)_socket_socket_getsockname, METH_NOARGS, _socket_socket_getsockname__doc__},
static PyObject *
_socket_socket_getsockname_impl(PySocketSockObject *s);
static PyObject *
_socket_socket_getsockname(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_getsockname_impl((PySocketSockObject *)s);
}
#endif /* defined(HAVE_GETSOCKNAME) */
#if defined(HAVE_GETPEERNAME)
PyDoc_STRVAR(_socket_socket_getpeername__doc__,
"getpeername($self, /)\n"
"--\n"
"\n"
"Return the address of the remote endpoint.\n"
"\n"
"For IP sockets, the address info is a pair (hostaddr, port).");
#define _SOCKET_SOCKET_GETPEERNAME_METHODDEF \
{"getpeername", (PyCFunction)_socket_socket_getpeername, METH_NOARGS, _socket_socket_getpeername__doc__},
static PyObject *
_socket_socket_getpeername_impl(PySocketSockObject *s);
static PyObject *
_socket_socket_getpeername(PyObject *s, PyObject *Py_UNUSED(ignored))
{
return _socket_socket_getpeername_impl((PySocketSockObject *)s);
}
#endif /* defined(HAVE_GETPEERNAME) */
#if defined(HAVE_LISTEN)
PyDoc_STRVAR(_socket_socket_listen__doc__,
"listen($self, backlog=min(SOMAXCONN, 128), /)\n"
"--\n"
"\n"
"Enable a server to accept connections.\n"
"\n"
"If backlog is specified, it must be at least 0 (if it is lower, it\n"
"is set to 0); it specifies the number of unaccepted connections that\n"
"the system will allow before refusing new connections. If not\n"
"specified, a default reasonable value is chosen.");
#define _SOCKET_SOCKET_LISTEN_METHODDEF \
{"listen", _PyCFunction_CAST(_socket_socket_listen), METH_FASTCALL, _socket_socket_listen__doc__},
static PyObject *
_socket_socket_listen_impl(PySocketSockObject *s, int backlog);
static PyObject *
_socket_socket_listen(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
int backlog = Py_MIN(SOMAXCONN, 128);
if (!_PyArg_CheckPositional("listen", nargs, 0, 1)) {
goto exit;
}
if (nargs < 1) {
goto skip_optional;
}
backlog = PyLong_AsInt(args[0]);
if (backlog == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_listen_impl((PySocketSockObject *)s, backlog);
exit:
return return_value;
}
#endif /* defined(HAVE_LISTEN) */
PyDoc_STRVAR(_socket_socket_recv__doc__,
"recv($self, buffersize, flags=0, /)\n"
"--\n"
"\n"
"Receive up to buffersize bytes from the socket.\n"
"\n"
"For the optional flags argument, see the Unix manual. When no data\n"
"is available, block until at least one byte is available or until\n"
"the remote end is closed. When the remote end is closed and all data\n"
"is read, return the empty string.");
#define _SOCKET_SOCKET_RECV_METHODDEF \
{"recv", _PyCFunction_CAST(_socket_socket_recv), METH_FASTCALL, _socket_socket_recv__doc__},
static PyObject *
_socket_socket_recv_impl(PySocketSockObject *s, Py_ssize_t recvlen,
int flags);
static PyObject *
_socket_socket_recv(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_ssize_t recvlen;
int flags = 0;
if (!_PyArg_CheckPositional("recv", nargs, 1, 2)) {
goto exit;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[0]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
recvlen = ival;
}
if (nargs < 2) {
goto skip_optional;
}
flags = PyLong_AsInt(args[1]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_recv_impl((PySocketSockObject *)s, recvlen, flags);
exit:
return return_value;
}
PyDoc_STRVAR(_socket_socket_recv_into__doc__,
"recv_into($self, /, buffer, nbytes=0, flags=0)\n"
"--\n"
"\n"
"Receive up to nbytes bytes from the socket, storing into a buffer.\n"
"\n"
"A version of recv() that stores its data into a buffer rather than\n"
"creating a new bytes object. If nbytes is not specified (or 0),\n"
"receive up to the size available in the given buffer.\n"
"\n"
"See recv() for documentation about the flags.");
#define _SOCKET_SOCKET_RECV_INTO_METHODDEF \
{"recv_into", _PyCFunction_CAST(_socket_socket_recv_into), METH_FASTCALL|METH_KEYWORDS, _socket_socket_recv_into__doc__},
static PyObject *
_socket_socket_recv_into_impl(PySocketSockObject *s, Py_buffer *pbuf,
Py_ssize_t recvlen, int flags);
static PyObject *
_socket_socket_recv_into(PyObject *s, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 3
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(buffer), &_Py_ID(nbytes), &_Py_ID(flags), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"buffer", "nbytes", "flags", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "recv_into",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[3];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
Py_buffer pbuf = {NULL, NULL};
Py_ssize_t recvlen = 0;
int flags = 0;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 1, /*maxpos*/ 3, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &pbuf, PyBUF_WRITABLE) < 0) {
_PyArg_BadArgument("recv_into", "argument 'buffer'", "read-write bytes-like object", args[0]);
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
if (args[1]) {
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[1]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
recvlen = ival;
}
if (!--noptargs) {
goto skip_optional_pos;
}
}
flags = PyLong_AsInt(args[2]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = _socket_socket_recv_into_impl((PySocketSockObject *)s, &pbuf, recvlen, flags);
exit:
/* Cleanup for pbuf */
if (pbuf.obj) {
PyBuffer_Release(&pbuf);
}
return return_value;
}
#if defined(HAVE_RECVFROM)
PyDoc_STRVAR(_socket_socket_recvfrom__doc__,
"recvfrom($self, buffersize, flags=0, /)\n"
"--\n"
"\n"
"Receive up to buffersize bytes and the sender\'s address info.\n"
"\n"
"Like recv(buffersize, flags), but return a (data, address info)\n"
"pair.");
#define _SOCKET_SOCKET_RECVFROM_METHODDEF \
{"recvfrom", _PyCFunction_CAST(_socket_socket_recvfrom), METH_FASTCALL, _socket_socket_recvfrom__doc__},
static PyObject *
_socket_socket_recvfrom_impl(PySocketSockObject *s, Py_ssize_t recvlen,
int flags);
static PyObject *
_socket_socket_recvfrom(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_ssize_t recvlen;
int flags = 0;
if (!_PyArg_CheckPositional("recvfrom", nargs, 1, 2)) {
goto exit;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[0]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
recvlen = ival;
}
if (nargs < 2) {
goto skip_optional;
}
flags = PyLong_AsInt(args[1]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_recvfrom_impl((PySocketSockObject *)s, recvlen, flags);
exit:
return return_value;
}
#endif /* defined(HAVE_RECVFROM) */
#if defined(HAVE_RECVFROM)
PyDoc_STRVAR(_socket_socket_recvfrom_into__doc__,
"recvfrom_into($self, /, buffer, nbytes=0, flags=0)\n"
"--\n"
"\n"
"Receive up to nbytes bytes and the sender\'s address info.\n"
"\n"
"Like recv_into(buffer, nbytes, flags), but return a (nbytes, address\n"
"info) pair.");
#define _SOCKET_SOCKET_RECVFROM_INTO_METHODDEF \
{"recvfrom_into", _PyCFunction_CAST(_socket_socket_recvfrom_into), METH_FASTCALL|METH_KEYWORDS, _socket_socket_recvfrom_into__doc__},
static PyObject *
_socket_socket_recvfrom_into_impl(PySocketSockObject *s, Py_buffer *pbuf,
Py_ssize_t recvlen, int flags);
static PyObject *
_socket_socket_recvfrom_into(PyObject *s, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 3
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(buffer), &_Py_ID(nbytes), &_Py_ID(flags), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"buffer", "nbytes", "flags", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "recvfrom_into",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[3];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
Py_buffer pbuf = {NULL, NULL};
Py_ssize_t recvlen = 0;
int flags = 0;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 1, /*maxpos*/ 3, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &pbuf, PyBUF_WRITABLE) < 0) {
_PyArg_BadArgument("recvfrom_into", "argument 'buffer'", "read-write bytes-like object", args[0]);
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
if (args[1]) {
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[1]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
recvlen = ival;
}
if (!--noptargs) {
goto skip_optional_pos;
}
}
flags = PyLong_AsInt(args[2]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = _socket_socket_recvfrom_into_impl((PySocketSockObject *)s, &pbuf, recvlen, flags);
exit:
/* Cleanup for pbuf */
if (pbuf.obj) {
PyBuffer_Release(&pbuf);
}
return return_value;
}
#endif /* defined(HAVE_RECVFROM) */
#if defined(CMSG_LEN)
PyDoc_STRVAR(_socket_socket_recvmsg__doc__,
"recvmsg($self, bufsize, ancbufsize=0, flags=0, /)\n"
"--\n"
"\n"
"Receive normal data and ancillary data from the socket.\n"
"\n"
"Receive up to bufsize bytes of normal data. The ancbufsize argument\n"
"sets the size in bytes of the internal buffer used to receive the\n"
"ancillary data; it defaults to 0, meaning that no ancillary data\n"
"will be received. Appropriate buffer sizes for ancillary data can\n"
"be calculated using CMSG_SPACE() or CMSG_LEN(), and items which do\n"
"not fit into the buffer might be truncated or discarded. The flags\n"
"argument defaults to 0 and has the same meaning as for recv().\n"
"\n"
"The return value is a 4-tuple: (data, ancdata, msg_flags, address).\n"
"The data item is a bytes object holding the non-ancillary data\n"
"received. The ancdata item is a list of zero or more tuples\n"
"(cmsg_level, cmsg_type, cmsg_data) representing the ancillary data\n"
"(control messages) received: cmsg_level and cmsg_type are integers\n"
"specifying the protocol level and protocol-specific type\n"
"respectively, and cmsg_data is a bytes object holding the associated\n"
"data. The msg_flags item is the bitwise OR of various flags\n"
"indicating conditions on the received message; see your system\n"
"documentation for details. If the receiving socket is unconnected,\n"
"address is the address of the sending socket, if available;\n"
"otherwise, its value is unspecified.\n"
"\n"
"If recvmsg() raises an exception after the system call returns, it\n"
"will first attempt to close any file descriptors received via the\n"
"SCM_RIGHTS mechanism.");
#define _SOCKET_SOCKET_RECVMSG_METHODDEF \
{"recvmsg", _PyCFunction_CAST(_socket_socket_recvmsg), METH_FASTCALL, _socket_socket_recvmsg__doc__},
static PyObject *
_socket_socket_recvmsg_impl(PySocketSockObject *s, Py_ssize_t bufsize,
Py_ssize_t ancbufsize, int flags);
static PyObject *
_socket_socket_recvmsg(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_ssize_t bufsize;
Py_ssize_t ancbufsize = 0;
int flags = 0;
if (!_PyArg_CheckPositional("recvmsg", nargs, 1, 3)) {
goto exit;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[0]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
bufsize = ival;
}
if (nargs < 2) {
goto skip_optional;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[1]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
ancbufsize = ival;
}
if (nargs < 3) {
goto skip_optional;
}
flags = PyLong_AsInt(args[2]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_recvmsg_impl((PySocketSockObject *)s, bufsize, ancbufsize, flags);
exit:
return return_value;
}
#endif /* defined(CMSG_LEN) */
#if defined(CMSG_LEN)
PyDoc_STRVAR(_socket_socket_recvmsg_into__doc__,
"recvmsg_into($self, buffers, ancbufsize=0, flags=0, /)\n"
"--\n"
"\n"
"Receive normal and ancillary data, scattering the normal data.\n"
"\n"
"The buffers argument must be an iterable of objects that export\n"
"writable buffers (e.g. bytearray objects); these will be filled\n"
"with successive chunks of the non-ancillary data until it has all\n"
"been written or there are no more buffers. The ancbufsize argument\n"
"sets the size in bytes of the internal buffer used to receive the\n"
"ancillary data; it defaults to 0, meaning that no ancillary data\n"
"will be received. Appropriate buffer sizes for ancillary data can\n"
"be calculated using CMSG_SPACE() or CMSG_LEN(), and items which do\n"
"not fit into the buffer might be truncated or discarded. The flags\n"
"argument defaults to 0 and has the same meaning as for recv().\n"
"\n"
"The return value is a 4-tuple: (nbytes, ancdata, msg_flags,\n"
"address). The nbytes item is the total number of bytes of\n"
"non-ancillary data written into the buffers. The ancdata item is a\n"
"list of zero or more tuples (cmsg_level, cmsg_type, cmsg_data)\n"
"representing the ancillary data (control messages) received:\n"
"cmsg_level and cmsg_type are integers specifying the protocol level\n"
"and protocol-specific type respectively, and cmsg_data is a bytes\n"
"object holding the associated data. The msg_flags item is the\n"
"bitwise OR of various flags indicating conditions on the received\n"
"message; see your system documentation for details. If the\n"
"receiving socket is unconnected, address is the address of the\n"
"sending socket, if available; otherwise, its value is unspecified.\n"
"\n"
"If recvmsg_into() raises an exception after the system call returns,\n"
"it will first attempt to close any file descriptors received via the\n"
"SCM_RIGHTS mechanism.");
#define _SOCKET_SOCKET_RECVMSG_INTO_METHODDEF \
{"recvmsg_into", _PyCFunction_CAST(_socket_socket_recvmsg_into), METH_FASTCALL, _socket_socket_recvmsg_into__doc__},
static PyObject *
_socket_socket_recvmsg_into_impl(PySocketSockObject *s,
PyObject *buffers_arg,
Py_ssize_t ancbufsize, int flags);
static PyObject *
_socket_socket_recvmsg_into(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
PyObject *buffers_arg;
Py_ssize_t ancbufsize = 0;
int flags = 0;
if (!_PyArg_CheckPositional("recvmsg_into", nargs, 1, 3)) {
goto exit;
}
buffers_arg = args[0];
if (nargs < 2) {
goto skip_optional;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[1]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
ancbufsize = ival;
}
if (nargs < 3) {
goto skip_optional;
}
flags = PyLong_AsInt(args[2]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_recvmsg_into_impl((PySocketSockObject *)s, buffers_arg, ancbufsize, flags);
exit:
return return_value;
}
#endif /* defined(CMSG_LEN) */
PyDoc_STRVAR(_socket_socket_send__doc__,
"send($self, data, flags=0, /)\n"
"--\n"
"\n"
"Send a data string to the socket.\n"
"\n"
"For the optional flags argument, see the Unix manual.\n"
"Return the number of bytes sent; this may be less than len(data) if\n"
"the network is busy.");
#define _SOCKET_SOCKET_SEND_METHODDEF \
{"send", _PyCFunction_CAST(_socket_socket_send), METH_FASTCALL, _socket_socket_send__doc__},
static PyObject *
_socket_socket_send_impl(PySocketSockObject *s, Py_buffer *pbuf, int flags);
static PyObject *
_socket_socket_send(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer pbuf = {NULL, NULL};
int flags = 0;
if (!_PyArg_CheckPositional("send", nargs, 1, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &pbuf, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (nargs < 2) {
goto skip_optional;
}
flags = PyLong_AsInt(args[1]);
if (flags == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = _socket_socket_send_impl((PySocketSockObject *)s, &pbuf, flags);
exit:
/* Cleanup for pbuf */
if (pbuf.obj) {
PyBuffer_Release(&pbuf);
}
return return_value;
}
PyDoc_STRVAR(_socket_socket_sendall__doc__,
"sendall($self, data, flags=0, /)\n"
"--\n"
"\n"
"Send a data string to the socket.\n"
"\n"
"For the optional flags argument, see the Unix manual.\n"
"This calls send() repeatedly until all data is sent.\n"
"If an error occurs, it\'s impossible to tell how much data has been\n"
"sent.");
#define _SOCKET_SOCKET_SENDALL_METHODDEF \
{"sendall", _PyCFunction_CAST(_socket_socket_sendall), METH_FASTCALL, _socket_socket_sendall__doc__},
static PyObject *
_socket_socket_sendall_impl(PySocketSockObject *s, Py_buffer *pbuf,
int flags);
static PyObject *
_socket_socket_sendall(PyObject *s, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer pbuf = {NULL, NULL};
int flags = 0;
if (!_PyArg_CheckPositional("sendall", nargs, 1, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &pbuf, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (nargs < 2) {
goto skip_optional;
You can’t perform that action at this time.