X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fasn1c%2Faper_encoder.h;fp=e2sim%2Fasn1c%2Faper_encoder.h;h=957b0bdbef86bad13e46937e24d9095ab7ae240a;hp=0000000000000000000000000000000000000000;hb=f5900596513e4359fc839ba361da085674e90b68;hpb=215d350dbe06a4c7ee370815f26128a7f7e160cb diff --git a/e2sim/asn1c/aper_encoder.h b/e2sim/asn1c/aper_encoder.h new file mode 100644 index 0000000..957b0bd --- /dev/null +++ b/e2sim/asn1c/aper_encoder.h @@ -0,0 +1,63 @@ +/*- + * Copyright (c) 2006-2017 Lev Walkin . All rights reserved. + * Redistribution and modifications are permitted subject to BSD license. + */ +#ifndef _APER_ENCODER_H_ +#define _APER_ENCODER_H_ + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct asn_TYPE_descriptor_s; /* Forward declaration */ + +/* + * Aligned PER encoder of any ASN.1 type. May be invoked by the application. + * WARNING: This function returns the number of encoded bits in the .encoded + * field of the return value. Use the following formula to convert to bytes: + * bytes = ((.encoded + 7) / 8) + */ +asn_enc_rval_t aper_encode( + const struct asn_TYPE_descriptor_s *type_descriptor, + const asn_per_constraints_t *constraints, + const void *struct_ptr, /* Structure to be encoded */ + asn_app_consume_bytes_f *consume_bytes_cb, /* Data collector */ + void *app_key /* Arbitrary callback argument */ +); + +/* + * A variant of aper_encode() which encodes data into the existing buffer + * WARNING: This function returns the number of encoded bits in the .encoded + * field of the return value. + */ +asn_enc_rval_t aper_encode_to_buffer( + const struct asn_TYPE_descriptor_s *type_descriptor, + const asn_per_constraints_t *constraints, + const void *struct_ptr, /* Structure to be encoded */ + void *buffer, /* Pre-allocated buffer */ + size_t buffer_size /* Initial buffer size (max) */ +); + +/* + * A variant of aper_encode_to_buffer() which allocates buffer itself. + * Returns the number of bytes in the buffer or -1 in case of failure. + * WARNING: This function produces a "Production of the complete encoding", + * with length of at least one octet. Contrast this to precise bit-packing + * encoding of aper_encode() and aper_encode_to_buffer(). + */ +ssize_t +aper_encode_to_new_buffer( + const struct asn_TYPE_descriptor_s *td, + const asn_per_constraints_t *constraints, + const void *sptr, + void **buffer_r +); + +#ifdef __cplusplus +} +#endif + +#endif /* _APER_ENCODER_H_ */