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py/stream: Add adapter methods with POSIX-compatible signatures.

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Previoussly such read() and write() methods were used by modussl_axtls,
move to py/stream for reuse.
This commit is contained in:
Paul Sokolovsky
2016-07-30 00:25:06 +03:00
parent abd5a57ea1
commit 4f1b0292db
3 changed files with 64 additions and 30 deletions
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30
extmod/modussl_axtls.c
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@@ -200,34 +200,4 @@ const mp_obj_module_t mp_module_ussl = {
.globals = (mp_obj_dict_t*)&mp_module_ssl_globals,
};
// These functions might be split to stream_posix.c. They are referenced by
// axtls os_port.h .
ssize_t mp_stream_posix_write(void *sock_obj, const void *buf, size_t len);
ssize_t mp_stream_posix_read(void *sock_obj, void *buf, size_t len);
int mp_stream_errno;
ssize_t mp_stream_posix_write(void *sock_obj, const void *buf, size_t len) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)sock_obj;
const mp_stream_p_t *stream_p = o->type->protocol;
mp_uint_t out_sz = stream_p->write(o, buf, len, &mp_stream_errno);
if (out_sz == MP_STREAM_ERROR) {
return -1;
} else {
return out_sz;
}
}
ssize_t mp_stream_posix_read(void *sock_obj, void *buf, size_t len) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)sock_obj;
const mp_stream_p_t *stream_p = o->type->protocol;
mp_uint_t out_sz = stream_p->read(o, buf, len, &mp_stream_errno);
if (out_sz == MP_STREAM_ERROR) {
return -1;
} else {
return out_sz;
}
}
#endif // MICROPY_PY_USSL