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#include <sys/socket.h> |
#include <menuet/net.h> |
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#include "tp.h" |
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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)); |
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#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) |
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/* 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; |
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GET_SOCKET_DESCRIPTOR(self, s); |
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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; |
} |
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/* 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; |
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GET_SOCKET_DESCRIPTOR(self, s); |
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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; |
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GET_SOCKET_DESCRIPTOR(self, s); |
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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); |
} |
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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++; |
} |
} |
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/* 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); |
} |
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/* 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; |
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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); |
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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; |
} |
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/* 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 */ |
|
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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); |
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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; |
} |
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/* 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 */ |
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if (socktype != SOCK_STREAM) |
tp_raise(tp_None, "IOError: attempt to listen on non-TCP socket", tp_None); |
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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); |
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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; |
} |
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/* 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); |
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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; |
} |
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tp_obj kolibri_socket_module(TP) |
{ |
tp_obj socket_mod = tp_dict(tp); |
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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; |
} |