X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fe2apv1sim%2Fricsim%2FASN1c%2Fper_support.h;fp=e2sim%2Fe2apv1sim%2Fricsim%2FASN1c%2Fper_support.h;h=23079c94f29e254a7a2b7375ac046c3e35b811f0;hp=0000000000000000000000000000000000000000;hb=3ebf932d23dcbec9ed19f4a51f9d00a0a54f5124;hpb=6896318f2b4ff01b4a88b16019c3dc93b0b693f5

diff --git a/e2sim/e2apv1sim/ricsim/ASN1c/per_support.h b/e2sim/e2apv1sim/ricsim/ASN1c/per_support.h
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+++ b/e2sim/e2apv1sim/ricsim/ASN1c/per_support.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef	_PER_SUPPORT_H_
+#define	_PER_SUPPORT_H_
+
+#include <asn_system.h>		/* Platform-specific types */
+#include <asn_bit_data.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Pre-computed PER constraints.
+ */
+typedef struct asn_per_constraint_s {
+	enum asn_per_constraint_flags {
+		APC_UNCONSTRAINED	= 0x0,	/* No PER visible constraints */
+		APC_SEMI_CONSTRAINED	= 0x1,	/* Constrained at "lb" */
+		APC_CONSTRAINED		= 0x2,	/* Fully constrained */
+		APC_EXTENSIBLE		= 0x4	/* May have extension */
+	} flags;
+	int  range_bits;		/* Full number of bits in the range */
+	int  effective_bits;		/* Effective bits */
+	long lower_bound;		/* "lb" value */
+	long upper_bound;		/* "ub" value */
+} asn_per_constraint_t;
+typedef struct asn_per_constraints_s {
+	asn_per_constraint_t value;
+	asn_per_constraint_t size;
+	int (*value2code)(unsigned int value);
+	int (*code2value)(unsigned int code);
+} asn_per_constraints_t;
+
+/* Temporary compatibility layer. Will get removed. */
+typedef struct asn_bit_data_s asn_per_data_t;
+#define per_get_few_bits(data, bits)   asn_get_few_bits(data, bits)
+#define per_get_undo(data, bits)   asn_get_undo(data, bits)
+#define per_get_many_bits(data, dst, align, bits) \
+    asn_get_many_bits(data, dst, align, bits)
+
+/*
+ * X.691 (08/2015) #11.9 "General rules for encoding a length determinant"
+ * Get the length "n" from the Unaligned PER stream.
+ */
+ssize_t uper_get_length(asn_per_data_t *pd, int effective_bound_bits,
+                        size_t lower_bound, int *repeat);
+
+ssize_t aper_get_length(asn_per_data_t *pd, int range,
+                        int effective_bound_bits, int *repeat);
+
+/*
+ * Get the normally small length "n".
+ */
+ssize_t uper_get_nslength(asn_per_data_t *pd);
+ssize_t aper_get_nslength(asn_per_data_t *pd);
+
+/*
+ * Get the normally small non-negative whole number.
+ */
+ssize_t uper_get_nsnnwn(asn_per_data_t *pd);
+ssize_t aper_get_nsnnwn(asn_per_data_t *pd, int range);
+
+/* X.691-2008/11, #11.5.6 */
+int uper_get_constrained_whole_number(asn_per_data_t *pd, unsigned long *v, int nbits);
+
+
+/* Temporary compatibility layer. Will get removed. */
+typedef struct asn_bit_outp_s asn_per_outp_t;
+#define per_put_few_bits(out, bits, obits) asn_put_few_bits(out, bits, obits)
+#define per_put_many_bits(out, src, nbits) asn_put_many_bits(out, src, nbits)
+#define per_put_aligned_flush(out) asn_put_aligned_flush(out)
+
+
+/*
+ * Rebase the given value as an offset into the range specified by the
+ * lower bound (lb) and upper bound (ub).
+ * RETURN VALUES:
+ *  -1: Conversion failed due to range problems.
+ *   0: Conversion was successful.
+ */
+int per_long_range_rebase(long v, long lb, long ub, unsigned long *output);
+/* The inverse operation: restores the value by the offset and its bounds. */
+int per_long_range_unrebase(unsigned long inp, long lb, long ub, long *outp);
+
+/* X.691-2008/11, #11.5 */
+int uper_put_constrained_whole_number_u(asn_per_outp_t *po, unsigned long v, int nbits);
+
+/*
+ * X.691 (08/2015) #11.9 "General rules for encoding a length determinant"
+ * Put the length "whole_length" to the Unaligned PER stream.
+ * If (opt_need_eom) is given, it will be set to 1 if final 0-length is needed.
+ * In that case, invoke uper_put_length(po, 0, 0) after encoding the last block.
+ * This function returns the number of units which may be flushed
+ * in the next units saving iteration.
+ */
+ssize_t uper_put_length(asn_per_outp_t *po, size_t whole_length,
+                        int *opt_need_eom);
+
+ssize_t aper_put_length(asn_per_outp_t *po, int range, size_t length);
+
+/* Align the current bit position to octet bundary */
+int aper_put_align(asn_per_outp_t *po);
+int32_t aper_get_align(asn_per_data_t *pd);
+
+/*
+ * Put the normally small length "n" to the Unaligned PER stream.
+ * Returns 0 or -1.
+ */
+int uper_put_nslength(asn_per_outp_t *po, size_t length);
+
+int aper_put_nslength(asn_per_outp_t *po, size_t length);
+
+/*
+ * Put the normally small non-negative whole number.
+ */
+int uper_put_nsnnwn(asn_per_outp_t *po, int n);
+
+int aper_put_nsnnwn(asn_per_outp_t *po, int range, int number);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _PER_SUPPORT_H_ */