tinypy: Network sockets support.

git-svn-id: svn://kolibrios.org@2099 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
jaeger 2011-08-22 04:52:41 +00:00
parent 6e1e31c19a
commit 1b6b565701
3 changed files with 301 additions and 1 deletions

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@ -1,14 +1,20 @@
#include "tp.h"
extern tp_obj kolibri_open(TP);
extern tp_obj kolibri_mainwindow(TP);
extern tp_obj kolibri_socket_module(TP);
extern tp_obj tp_dict(TP);
extern tp_obj tp_fnc(TP,tp_obj v(TP));
void kolibri_init(TP)
{
tp_obj kolibri_mod = tp_dict(tp);
tp_obj socket_mod = kolibri_socket_module(tp);
tp_set(tp, kolibri_mod, tp_string("open"), tp_fnc(tp, kolibri_open));
tp_set(tp, kolibri_mod, tp_string("window"), tp_fnc(tp, kolibri_mainwindow));
/* socket is a separated module. */
tp_set(tp, kolibri_mod, tp_string("socket"), socket_mod);
/* Bind module attributes. */
tp_set(tp, kolibri_mod, tp_string("__doc__"),

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@ -1,6 +1,6 @@
export MENUETDEV=../../libraries/menuetlibc
OUTFILE = tpmain
OBJS = tpmain.o kolibri_init.o kolibri_fs.o kolibri_gui.o kolibri_dbg.o
OBJS = tpmain.o kolibri_init.o kolibri_fs.o kolibri_gui.o kolibri_dbg.o kolibri_net.o
CFLAGS = -I. -mpreferred-stack-boundary=2 -mincoming-stack-boundary=2
include $(MENUETDEV)/makefiles/Makefile_for_program
kolibri_dbg.o: fasm_modules/kolibri_dbg.s

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@ -0,0 +1,294 @@
#include <sys/socket.h>
#include <menuet/net.h>
#include "tp.h"
extern tp_obj tp_dict(TP);
extern tp_obj tp_method(TP,tp_obj self,tp_obj v(TP));
extern tp_obj tp_fnc(TP,tp_obj v(TP));
#define GET_SOCKET_DESCRIPTOR(_obj, _sock) do{ \
if (!tp_has(tp, _obj, tp_string("socket"))) \
tp_raise(tp_None, "Socket not open", tp_None); \
_sock = (__u32)tp_get(tp, _obj, tp_string("socket")).number.val;\
} while(0)
/* Socket close method.
*
* Example:
* s.close() # s must be a socket object created by socket.
*
* Raises exception if socket was not opened. Otherwise returns True.
*/
tp_obj kolibri_close_socket(TP)
{
tp_obj self = TP_TYPE(TP_DICT);
__u32 socktype;
__u32 s;
GET_SOCKET_DESCRIPTOR(self, s);
con_printf("cp5\n");
socktype = (__u32)tp_get(tp, self, tp_string("type")).number.val;
con_printf("cp6\n");
if (!tp_has(tp, self, tp_string("socket")))
{
con_printf("cp7\n");
tp_raise(tp_None, "Socket not open", tp_None);
}
s = (__u32)tp_get(tp, self, tp_string("socket")).number.val;
con_printf("cp0, s=%d\n", s);
if (socktype == SOCK_STREAM)
{
con_printf("cp1\n");
__menuet__close_TCP_socket(s);
con_printf("cp2\n");
}
else if (socktype == SOCK_DGRAM)
{
__menuet__close_UDP_socket(s);
}
return tp_True;
}
/* Socket send method.
*
* Example:
* data="<html><head><title>Preved!!!</title></head><body>Example.</body></html>"
* s.send(data)
* or:
* s.send(data, 20) # Send just 20 bytes
*/
tp_obj kolibri_send(TP)
{
tp_obj self = TP_TYPE(TP_DICT);
tp_obj data_obj = TP_TYPE(TP_STRING);
__u32 datalen = TP_DEFAULT(tp_False).number.val;
__u32 socktype = (__u32)tp_get(tp, self, tp_string("type")).number.val;
__u32 s;
GET_SOCKET_DESCRIPTOR(self, s);
if (datalen < 0 || datalen > data_obj.string.len)
datalen = data_obj.string.len;
if (socktype == SOCK_STREAM)
__menuet__write_TCP_socket(s, datalen, (void *)data_obj.string.val);
else if (socktype == SOCK_DGRAM)
__menuet__write_UDP_socket(s, datalen, (void *)data_obj.string.val);
return tp_None;
}
/* Socket recv method.
*
* data="<html><head><title>Preved!!!</title></head><body>Example.</body></html>"
* s.recv(data)
* or:
* s.recv(data, 20) # Send just 20 bytes
*/
tp_obj kolibri_recv(TP)
{
tp_obj self = TP_TYPE(TP_DICT);
tp_obj data_obj = TP_TYPE(TP_STRING);
__u32 datalen = TP_DEFAULT(tp_False).number.val;
__u32 s;
__u8 c;
__u8 *buf, *p;
__u32 buf_size;
__u32 bytes_read = 0;
int i;
GET_SOCKET_DESCRIPTOR(self, s);
if (datalen)
buf_size = datalen;
else
buf_size = 2048;
if (!(buf = malloc(datalen)))
tp_raise(tp_None, "Cannot allocate buffer for received data", tp_None);
p = buf;
while (__menuet__read_socket(s, &c) && bytes_read < buf_size)
{
*p++ = c;
bytes_read++;
if (bytes_read >= buf_size && !datalen)
{
buf_size += 1024;
buf = realloc(buf, buf_size);
}
}
return tp_string_n(buf, bytes_read);
}
void inet_pton(TP, const char *buf, int len, __u32 *addr)
{
char *p = (char *)buf;
int i = 0;
__u32 val = 0;
*addr = 0;
while (*p && p < buf + len && i < 4)
{
con_printf("char %d", *p);
if (*p == '.')
{
if (val > 255)
tp_raise(, "ValueError: number > 255 in IP address", tp_None);
*addr += (val << ((i++) << 3));
con_printf("num %d\n", val);
val = 0;
}
else
{
if (*p < '0' || *p > '9')
tp_raise(, "ValueError: bad char in IP address, digit expected", tp_None);
val = val * 10 + *p - '0';
}
p++;
}
}
/* Converter from string presentation to binary address. */
tp_obj kolibri_inet_pton(TP)
{
tp_obj obj;
__u32 addr;
con_printf("A1\n");
obj = TP_TYPE(TP_STRING);
con_printf("A2\n");
inet_pton(tp, (char *)obj.string.val, (int)obj.string.len, &addr);
con_printf("A3\n");
return tp_number(addr);
}
/* Socket bind method.
*
* In KolibriOS it just sets local address and port.
*
* Example:
* s.bind('10.10.1.2', 6000) #Connects to 10.10.1.2:6000
*/
tp_obj kolibri_bind(TP)
{
tp_obj self = TP_TYPE(TP_DICT);
tp_obj local_addr_obj = TP_OBJ();
__u32 local_port = (__u32)TP_TYPE(TP_NUMBER).number.val;
__u32 local_addr;
if (local_addr_obj.type == TP_NUMBER)
local_addr = local_addr_obj.number.val;
else if (local_addr_obj.type == TP_STRING)
inet_pton(tp, (const char *)local_addr_obj.string.val, local_addr_obj.string.len, &local_addr);
tp_set(tp, self, tp_string("local_addr"), tp_number(local_addr));
tp_set(tp, self, tp_string("local_port"), tp_number(local_port));
return tp_None;
}
/* Socket connect method.
*
* Example:
* s.connect('10.10.1.1', 7000) #Connects to 10.10.1.1:7000
*/
tp_obj kolibri_connect(TP)
{
tp_obj self = TP_TYPE(TP_DICT);
tp_obj remote_addr_obj = TP_OBJ();
__u32 remote_addr;
__u32 remote_port = (__u32)TP_TYPE(TP_NUMBER).number.val;
__u32 local_port = tp_get(tp, self, tp_string("local_port")).number.val;
__u32 socktype = (__u32)tp_get(tp, self, tp_string("type")).number.val;
int s = -1; /* Socket descriptor */
if (remote_addr_obj.type == TP_NUMBER)
remote_addr = remote_addr_obj.number.val;
else if (remote_addr_obj.type == TP_STRING)
inet_pton(tp, (const char *)remote_addr_obj.string.val, remote_addr_obj.string.len, &remote_addr);
if (socktype == SOCK_STREAM)
s = __menuet__open_TCP_socket(local_port, remote_port, remote_addr, 1);
else if (socktype == SOCK_DGRAM)
s = __menuet__open_UDP_socket(local_port, remote_port, remote_addr);
if (s >= 0)
{
tp_set(tp, self, tp_string("socket"), tp_number(s));
return tp_True;
}
else
return tp_False;
}
/* Socket listen method.
*
* Example:
* s.listen('10.10.1.1', 5000)
*/
tp_obj kolibri_listen(TP)
{
tp_obj self = TP_TYPE(TP_DICT);
tp_obj remote_addr_obj = TP_OBJ();
__u32 remote_addr;
__u32 remote_port = (__u32)TP_TYPE(TP_NUMBER).number.val;
__u32 local_port = tp_get(tp, self, tp_string("local_port")).number.val;
__u32 socktype = (__u32)tp_get(tp, self, tp_string("type")).number.val;
int s = -1; /* Socket descriptor */
if (socktype != SOCK_STREAM)
tp_raise(tp_None, "IOError: attempt to listen on non-TCP socket", tp_None);
if (remote_addr_obj.type == TP_NUMBER)
remote_addr = remote_addr_obj.number.val;
else if (remote_addr_obj.type == TP_STRING)
inet_pton(tp, (const char *)remote_addr_obj.string.val, remote_addr_obj.string.len, &remote_addr);
if ((s = __menuet__open_TCP_socket(local_port, remote_port, remote_addr, 0)) >= 0)
{
tp_set(tp, self, tp_string("socket"), tp_number(s));
return tp_True;
}
else
return tp_False;
}
/* Exported function.
*
* Example:
*
* s = socket(socket.AF_INET, socket.SOCK_DGRAM)
*
* Returns socket object.
*/
tp_obj kolibri_socket(TP)
{
tp_obj s;
tp_obj sockfamily = TP_TYPE(TP_NUMBER);
tp_obj socktype = TP_TYPE(TP_NUMBER);
if (abs(sockfamily.number.val - AF_INET) > 0.000001 ||
(abs(socktype.number.val - SOCK_STREAM) > 0.000001 &&
abs(socktype.number.val - SOCK_DGRAM) > 0.000001))
return tp_None;
s = tp_dict(tp);
tp_set(tp, s, tp_string("family"), sockfamily);
tp_set(tp, s, tp_string("type"), socktype);
tp_set(tp, s, tp_string("bind"), tp_method(tp, s, kolibri_bind));
tp_set(tp, s, tp_string("connect"), tp_method(tp, s, kolibri_connect));
tp_set(tp, s, tp_string("send"), tp_method(tp, s, kolibri_send));
tp_set(tp, s, tp_string("recv"), tp_method(tp, s, kolibri_recv));
tp_set(tp, s, tp_string("close"), tp_method(tp, s, kolibri_close_socket));
if (abs(socktype.number.val - SOCK_STREAM) < 0.000001)
tp_set(tp, s, tp_string("listen"), tp_method(tp, s, kolibri_listen));
return s;
}
tp_obj kolibri_socket_module(TP)
{
tp_obj socket_mod = tp_dict(tp);
tp_set(tp, socket_mod, tp_string("AF_INET"), tp_number(AF_INET));
tp_set(tp, socket_mod, tp_string("SOCK_STREAM"), tp_number(SOCK_STREAM));
tp_set(tp, socket_mod, tp_string("SOCK_DGRAM"), tp_number(SOCK_DGRAM));
tp_set(tp, socket_mod, tp_string("socket"), tp_fnc(tp, kolibri_socket));
tp_set(tp, socket_mod, tp_string("inet_pton"), tp_fnc(tp, kolibri_inet_pton));
return socket_mod;
}