diff options
Diffstat (limited to 'unix/socket.c')
| -rw-r--r-- | unix/socket.c | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/unix/socket.c b/unix/socket.c deleted file mode 100644 index 5f3fdaa62..000000000 --- a/unix/socket.c +++ /dev/null @@ -1,379 +0,0 @@ -#include <stdio.h> -#include <assert.h> -#include <string.h> -#include <unistd.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netdb.h> -#include <errno.h> - -#include "nlr.h" -#include "misc.h" -#include "mpconfig.h" -#include "qstr.h" -#include "obj.h" -#include "objtuple.h" -#include "objarray.h" -#include "runtime.h" -#include "stream.h" - -#define MICROPY_SOCKET_EXTRA (0) - -typedef struct _mp_obj_socket_t { - mp_obj_base_t base; - int fd; -} mp_obj_socket_t; - -STATIC const mp_obj_type_t microsocket_type; - -// Helper functions -#define RAISE_ERRNO(err_flag, error_val) \ - { if (err_flag == -1) \ - { nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_OSError, "[Errno %d]", error_val)); } } - -STATIC void get_buffer(mp_obj_t obj, buffer_info_t *bufinfo) { - mp_obj_base_t *o = (mp_obj_base_t *)obj; - if (o->type->buffer_p.get_buffer == NULL) { - goto error; - } - o->type->buffer_p.get_buffer(o, bufinfo, BUFFER_READ); - if (bufinfo->buf == NULL) { - goto error; - } - return; - -error: - nlr_jump(mp_obj_new_exception_msg(&mp_type_TypeError, "Operation not supported")); -} - -STATIC mp_obj_socket_t *socket_new(int fd) { - mp_obj_socket_t *o = m_new_obj(mp_obj_socket_t); - o->base.type = µsocket_type; - o->fd = fd; - return o; -} - - -STATIC void socket_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) { - mp_obj_socket_t *self = self_in; - print(env, "<_socket %d>", self->fd); -} - -STATIC machine_int_t socket_read(mp_obj_t o_in, void *buf, machine_uint_t size, int *errcode) { - mp_obj_socket_t *o = o_in; - machine_int_t r = read(o->fd, buf, size); - if (r == -1) { - *errcode = errno; - } - return r; -} - -STATIC machine_int_t socket_write(mp_obj_t o_in, const void *buf, machine_uint_t size, int *errcode) { - mp_obj_socket_t *o = o_in; - machine_int_t r = write(o->fd, buf, size); - if (r == -1) { - *errcode = errno; - } - return r; -} - -STATIC mp_obj_t socket_close(mp_obj_t self_in) { - mp_obj_socket_t *self = self_in; - close(self->fd); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_close_obj, socket_close); - -STATIC mp_obj_t socket_fileno(mp_obj_t self_in) { - mp_obj_socket_t *self = self_in; - return MP_OBJ_NEW_SMALL_INT((machine_int_t)self->fd); -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_fileno_obj, socket_fileno); - -STATIC mp_obj_t socket_connect(mp_obj_t self_in, mp_obj_t addr_in) { - mp_obj_socket_t *self = self_in; - buffer_info_t bufinfo; - get_buffer(addr_in, &bufinfo); - int r = connect(self->fd, (const struct sockaddr *)bufinfo.buf, bufinfo.len); - RAISE_ERRNO(r, errno); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_connect_obj, socket_connect); - -STATIC mp_obj_t socket_bind(mp_obj_t self_in, mp_obj_t addr_in) { - mp_obj_socket_t *self = self_in; - buffer_info_t bufinfo; - get_buffer(addr_in, &bufinfo); - int r = bind(self->fd, (const struct sockaddr *)bufinfo.buf, bufinfo.len); - RAISE_ERRNO(r, errno); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_bind_obj, socket_bind); - -STATIC mp_obj_t socket_listen(mp_obj_t self_in, mp_obj_t backlog_in) { - mp_obj_socket_t *self = self_in; - int r = listen(self->fd, MP_OBJ_SMALL_INT_VALUE(backlog_in)); - RAISE_ERRNO(r, errno); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_2(socket_listen_obj, socket_listen); - -STATIC mp_obj_t socket_accept(mp_obj_t self_in) { - mp_obj_socket_t *self = self_in; - struct sockaddr addr; - socklen_t addr_len = sizeof(addr); - int fd = accept(self->fd, &addr, &addr_len); - RAISE_ERRNO(fd, errno); - - mp_obj_tuple_t *t = mp_obj_new_tuple(2, NULL); - t->items[0] = socket_new(fd); - t->items[1] = mp_obj_new_bytearray(addr_len, &addr); - - return t; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(socket_accept_obj, socket_accept); - -STATIC mp_obj_t socket_recv(uint n_args, const mp_obj_t *args) { - mp_obj_socket_t *self = args[0]; - int sz = MP_OBJ_SMALL_INT_VALUE(args[1]); - int flags = 0; - - if (n_args > 2) { - flags = MP_OBJ_SMALL_INT_VALUE(args[2]); - } - - char *buf = m_new(char, sz); - int out_sz = recv(self->fd, buf, sz, flags); - RAISE_ERRNO(out_sz, errno); - - buf = m_realloc(buf, sz, out_sz); - return MP_OBJ_NEW_QSTR(qstr_from_strn_take(buf, out_sz, out_sz)); -} -STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_recv_obj, 2, 3, socket_recv); - -STATIC mp_obj_t socket_send(uint n_args, const mp_obj_t *args) { - mp_obj_socket_t *self = args[0]; - int flags = 0; - - if (n_args > 2) { - flags = MP_OBJ_SMALL_INT_VALUE(args[2]); - } - - uint sz; - const char *buf = mp_obj_str_get_data(args[1], &sz); - int out_sz = send(self->fd, buf, sz, flags); - RAISE_ERRNO(out_sz, errno); - - return MP_OBJ_NEW_SMALL_INT((machine_int_t)out_sz); -} -STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_send_obj, 2, 3, socket_send); - -STATIC mp_obj_t socket_setsockopt(uint n_args, const mp_obj_t *args) { - mp_obj_socket_t *self = args[0]; - int level = MP_OBJ_SMALL_INT_VALUE(args[1]); - int option = mp_obj_get_int(args[2]); - - const void *optval; - socklen_t optlen; - if (MP_OBJ_IS_INT(args[3])) { - int val = mp_obj_int_get(args[3]); - optval = &val; - optlen = sizeof(val); - } else { - buffer_info_t bufinfo; - get_buffer(args[3], &bufinfo); - optval = bufinfo.buf; - optlen = bufinfo.len; - } - int r = setsockopt(self->fd, level, option, optval, optlen); - RAISE_ERRNO(r, errno); - return mp_const_none; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socket_setsockopt_obj, 4, 4, socket_setsockopt); - -STATIC mp_obj_t socket_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) { - int family = AF_INET; - int type = SOCK_STREAM; - int proto = 0; - - if (n_args > 0) { - assert(MP_OBJ_IS_SMALL_INT(args[0])); - family = MP_OBJ_SMALL_INT_VALUE(args[0]); - if (n_args > 1) { - assert(MP_OBJ_IS_SMALL_INT(args[1])); - type = MP_OBJ_SMALL_INT_VALUE(args[1]); - if (n_args > 2) { - assert(MP_OBJ_IS_SMALL_INT(args[2])); - proto = MP_OBJ_SMALL_INT_VALUE(args[2]); - } - } - } - - int fd = socket(family, type, proto); - RAISE_ERRNO(fd, errno); - return socket_new(fd); -} - -STATIC const mp_map_elem_t microsocket_locals_dict_table[] = { - { MP_OBJ_NEW_QSTR(MP_QSTR_fileno), (mp_obj_t)&socket_fileno_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_makefile), (mp_obj_t)&mp_identity_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&mp_stream_read_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_readall), (mp_obj_t)&mp_stream_readall_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_readline), (mp_obj_t)&mp_stream_unbuffered_readline_obj}, - { MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&mp_stream_write_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_connect), (mp_obj_t)&socket_connect_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_bind), (mp_obj_t)&socket_bind_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_listen), (mp_obj_t)&socket_listen_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_accept), (mp_obj_t)&socket_accept_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&socket_recv_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&socket_send_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_setsockopt), (mp_obj_t)&socket_setsockopt_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_close), (mp_obj_t)&socket_close_obj }, -#if MICROPY_SOCKET_EXTRA - { MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&mp_stream_read_obj }, - { MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&mp_stream_write_obj }, -#endif -}; - -STATIC MP_DEFINE_CONST_DICT(microsocket_locals_dict, microsocket_locals_dict_table); - -STATIC const mp_obj_type_t microsocket_type = { - { &mp_type_type }, - .name = MP_QSTR_socket, - .print = socket_print, - .make_new = socket_make_new, - .getiter = NULL, - .iternext = NULL, - .stream_p = { - .read = socket_read, - .write = socket_write, - }, - .locals_dict = (mp_obj_t)µsocket_locals_dict, -}; - -STATIC mp_obj_t mod_socket_htons(mp_obj_t arg) { - return MP_OBJ_NEW_SMALL_INT((machine_int_t)htons(MP_OBJ_SMALL_INT_VALUE(arg))); -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_socket_htons_obj, mod_socket_htons); - -STATIC mp_obj_t mod_socket_inet_aton(mp_obj_t arg) { - assert(MP_OBJ_IS_TYPE(arg, &mp_type_str)); - const char *s = mp_obj_str_get_str(arg); - struct in_addr addr; - if (!inet_aton(s, &addr)) { - nlr_jump(mp_obj_new_exception_msg(&mp_type_OSError, "Invalid IP address")); - } - - return mp_obj_new_int(addr.s_addr); -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_socket_inet_aton_obj, mod_socket_inet_aton); - -#if MICROPY_SOCKET_EXTRA -STATIC mp_obj_t mod_socket_gethostbyname(mp_obj_t arg) { - assert(MP_OBJ_IS_TYPE(arg, &mp_type_str)); - const char *s = mp_obj_str_get_str(arg); - struct hostent *h = gethostbyname(s); - if (h == NULL) { - nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_OSError, "[Errno %d]", errno)); - } - assert(h->h_length == 4); - return mp_obj_new_int(*(int*)*h->h_addr_list); -} -STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_socket_gethostbyname_obj, mod_socket_gethostbyname); -#endif - -STATIC mp_obj_t mod_socket_getaddrinfo(uint n_args, const mp_obj_t *args) { - // TODO: Implement all args - assert(n_args == 2); - assert(MP_OBJ_IS_STR(args[0])); - - const char *host = mp_obj_str_get_str(args[0]); - const char *serv = NULL; - // getaddrinfo accepts port in string notation, so however - // it may seem stupid, we need to convert int to str - if (MP_OBJ_IS_SMALL_INT(args[1])) { - int port = (short)MP_OBJ_SMALL_INT_VALUE(args[1]); - char buf[6]; - sprintf(buf, "%d", port); - serv = buf; - } else { - serv = mp_obj_str_get_str(args[1]); - } - - struct addrinfo hints; - struct addrinfo *addr; - memset(&hints, 0, sizeof(hints)); - int res = getaddrinfo(host, serv, NULL/*&hints*/, &addr); - - if (res != 0) { - nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_OSError, "[addrinfo error %d]", res)); - } - assert(addr); - - mp_obj_t list = mp_obj_new_list(0, NULL); - for (; addr; addr = addr->ai_next) { - mp_obj_tuple_t *t = mp_obj_new_tuple(5, NULL); - t->items[0] = MP_OBJ_NEW_SMALL_INT((machine_int_t)addr->ai_family); - t->items[1] = MP_OBJ_NEW_SMALL_INT((machine_int_t)addr->ai_socktype); - t->items[2] = MP_OBJ_NEW_SMALL_INT((machine_int_t)addr->ai_protocol); - // "canonname will be a string representing the canonical name of the host - // if AI_CANONNAME is part of the flags argument; else canonname will be empty." ?? - if (addr->ai_canonname) { - t->items[3] = MP_OBJ_NEW_QSTR(qstr_from_str(addr->ai_canonname)); - } else { - t->items[3] = mp_const_none; - } - t->items[4] = mp_obj_new_bytearray(addr->ai_addrlen, addr->ai_addr); - mp_obj_list_append(list, t); - } - return list; -} -STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_socket_getaddrinfo_obj, 2, 6, mod_socket_getaddrinfo); - -extern mp_obj_type_t sockaddr_in_type; - -#define C(name) { #name, name } - -STATIC const struct sym_entry { - const char *sym; - int val; -} constants[] = { - C(AF_UNIX), - C(AF_INET), - C(AF_INET6), - C(SOCK_STREAM), - C(SOCK_DGRAM), - C(SOCK_RAW), - - C(MSG_DONTROUTE), - C(MSG_DONTWAIT), - - C(SOL_SOCKET), - C(SO_BROADCAST), - C(SO_ERROR), - C(SO_KEEPALIVE), - C(SO_LINGER), - C(SO_REUSEADDR), - - {NULL} -}; - -#undef C - -void microsocket_init() { - mp_obj_t m = mp_obj_new_module(MP_QSTR_microsocket); - mp_store_attr(m, MP_QSTR_socket, (mp_obj_t)µsocket_type); -#if MICROPY_SOCKET_EXTRA - mp_store_attr(m, MP_QSTR_sockaddr_in, (mp_obj_t)&sockaddr_in_type); - mp_store_attr(m, MP_QSTR_htons, (mp_obj_t)&mod_socket_htons_obj); - mp_store_attr(m, MP_QSTR_inet_aton, (mp_obj_t)&mod_socket_inet_aton_obj); - mp_store_attr(m, MP_QSTR_gethostbyname, (mp_obj_t)&mod_socket_gethostbyname_obj); -#endif - mp_store_attr(m, MP_QSTR_getaddrinfo, (mp_obj_t)&mod_socket_getaddrinfo_obj); - for (const struct sym_entry *p = constants; p->sym != NULL; p++) { - mp_store_attr(m, QSTR_FROM_STR_STATIC(p->sym), MP_OBJ_NEW_SMALL_INT((machine_int_t)p->val)); - } -} |