Add version 0.5.0

Change-Id: Ic052ea806f728c7e437038b1809f84a47af90011
Signed-off-by: Peter Szilagyi <peter.3.szilagyi@nokia.com>
diff --git a/e2ap/lib/BOOLEAN.c b/e2ap/lib/BOOLEAN.c
new file mode 100644
index 0000000..25831e2
--- /dev/null
+++ b/e2ap/lib/BOOLEAN.c
@@ -0,0 +1,492 @@
+/*-
+ * Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <asn_codecs_prim.h>
+#include <BOOLEAN.h>
+
+/*
+ * BOOLEAN basic type description.
+ */
+static const ber_tlv_tag_t asn_DEF_BOOLEAN_tags[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (1 << 2))
+};
+asn_TYPE_operation_t asn_OP_BOOLEAN = {
+	BOOLEAN_free,
+	BOOLEAN_print,
+	BOOLEAN_compare,
+	BOOLEAN_decode_ber,
+	BOOLEAN_encode_der,
+	BOOLEAN_decode_xer,
+	BOOLEAN_encode_xer,
+#ifdef	ASN_DISABLE_OER_SUPPORT
+	0,
+	0,
+#else
+	BOOLEAN_decode_oer,
+	BOOLEAN_encode_oer,
+#endif  /* ASN_DISABLE_OER_SUPPORT */
+#ifdef	ASN_DISABLE_PER_SUPPORT
+	0,
+	0,
+	0,
+	0,
+#else
+	BOOLEAN_decode_uper,	/* Unaligned PER decoder */
+	BOOLEAN_encode_uper,	/* Unaligned PER encoder */
+	BOOLEAN_decode_aper,	/* Aligned PER decoder */
+	BOOLEAN_encode_aper,	/* Aligned PER encoder */
+#endif	/* ASN_DISABLE_PER_SUPPORT */
+	BOOLEAN_random_fill,
+	0	/* Use generic outmost tag fetcher */
+};
+asn_TYPE_descriptor_t asn_DEF_BOOLEAN = {
+	"BOOLEAN",
+	"BOOLEAN",
+	&asn_OP_BOOLEAN,
+	asn_DEF_BOOLEAN_tags,
+	sizeof(asn_DEF_BOOLEAN_tags) / sizeof(asn_DEF_BOOLEAN_tags[0]),
+	asn_DEF_BOOLEAN_tags,	/* Same as above */
+	sizeof(asn_DEF_BOOLEAN_tags) / sizeof(asn_DEF_BOOLEAN_tags[0]),
+	{ 0, 0, asn_generic_no_constraint },
+	0, 0,	/* No members */
+	0	/* No specifics */
+};
+
+/*
+ * Decode BOOLEAN type.
+ */
+asn_dec_rval_t
+BOOLEAN_decode_ber(const asn_codec_ctx_t *opt_codec_ctx,
+                   const asn_TYPE_descriptor_t *td, void **bool_value,
+                   const void *buf_ptr, size_t size, int tag_mode) {
+    BOOLEAN_t *st = (BOOLEAN_t *)*bool_value;
+	asn_dec_rval_t rval;
+	ber_tlv_len_t length;
+	ber_tlv_len_t lidx;
+
+	if(st == NULL) {
+		st = (BOOLEAN_t *)(*bool_value = CALLOC(1, sizeof(*st)));
+		if(st == NULL) {
+			rval.code = RC_FAIL;
+			rval.consumed = 0;
+			return rval;
+		}
+	}
+
+	ASN_DEBUG("Decoding %s as BOOLEAN (tm=%d)",
+		td->name, tag_mode);
+
+	/*
+	 * Check tags.
+	 */
+	rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size,
+		tag_mode, 0, &length, 0);
+	if(rval.code != RC_OK)
+		return rval;
+
+	ASN_DEBUG("Boolean length is %d bytes", (int)length);
+
+	buf_ptr = ((const char *)buf_ptr) + rval.consumed;
+	size -= rval.consumed;
+	if(length > (ber_tlv_len_t)size) {
+		rval.code = RC_WMORE;
+		rval.consumed = 0;
+		return rval;
+	}
+
+	/*
+	 * Compute boolean value.
+	 */
+	for(*st = 0, lidx = 0;
+		(lidx < length) && *st == 0; lidx++) {
+		/*
+		 * Very simple approach: read bytes until the end or
+		 * value is already TRUE.
+		 * BOOLEAN is not supposed to contain meaningful data anyway.
+		 */
+		*st |= ((const uint8_t *)buf_ptr)[lidx];
+	}
+
+	rval.code = RC_OK;
+	rval.consumed += length;
+
+	ASN_DEBUG("Took %ld/%ld bytes to encode %s, value=%d",
+		(long)rval.consumed, (long)length,
+		td->name, *st);
+	
+	return rval;
+}
+
+asn_enc_rval_t
+BOOLEAN_encode_der(const asn_TYPE_descriptor_t *td, const void *sptr,
+                   int tag_mode, ber_tlv_tag_t tag, asn_app_consume_bytes_f *cb,
+                   void *app_key) {
+	asn_enc_rval_t erval = {0,0,0};
+	const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
+
+	erval.encoded = der_write_tags(td, 1, tag_mode, 0, tag, cb, app_key);
+	if(erval.encoded == -1) {
+		erval.failed_type = td;
+		erval.structure_ptr = sptr;
+		return erval;
+	}
+
+	if(cb) {
+		uint8_t bool_value;
+
+		bool_value = *st ? 0xff : 0; /* 0xff mandated by DER */
+
+		if(cb(&bool_value, 1, app_key) < 0) {
+			erval.encoded = -1;
+			erval.failed_type = td;
+			erval.structure_ptr = sptr;
+			return erval;
+		}
+	}
+
+	erval.encoded += 1;
+
+	ASN__ENCODED_OK(erval);
+}
+
+
+/*
+ * Decode the chunk of XML text encoding INTEGER.
+ */
+static enum xer_pbd_rval
+BOOLEAN__xer_body_decode(const asn_TYPE_descriptor_t *td, void *sptr,
+                         const void *chunk_buf, size_t chunk_size) {
+    BOOLEAN_t *st = (BOOLEAN_t *)sptr;
+	const char *p = (const char *)chunk_buf;
+
+	(void)td;
+
+	if(chunk_size && p[0] == 0x3c /* '<' */) {
+		switch(xer_check_tag(chunk_buf, chunk_size, "false")) {
+		case XCT_BOTH:
+			/* "<false/>" */
+			*st = 0;
+			break;
+		case XCT_UNKNOWN_BO:
+			if(xer_check_tag(chunk_buf, chunk_size, "true")
+					!= XCT_BOTH)
+				return XPBD_BROKEN_ENCODING;
+			/* "<true/>" */
+			*st = 1;	/* Or 0xff as in DER?.. */
+			break;
+		default:
+			return XPBD_BROKEN_ENCODING;
+		}
+		return XPBD_BODY_CONSUMED;
+	} else {
+		return XPBD_BROKEN_ENCODING;
+	}
+}
+
+
+asn_dec_rval_t
+BOOLEAN_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
+                   const asn_TYPE_descriptor_t *td, void **sptr,
+                   const char *opt_mname, const void *buf_ptr, size_t size) {
+    return xer_decode_primitive(opt_codec_ctx, td,
+		sptr, sizeof(BOOLEAN_t), opt_mname, buf_ptr, size,
+		BOOLEAN__xer_body_decode);
+}
+
+asn_enc_rval_t
+BOOLEAN_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr,
+	int ilevel, enum xer_encoder_flags_e flags,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
+	asn_enc_rval_t er = {0, 0, 0};
+
+	(void)ilevel;
+	(void)flags;
+
+	if(!st) ASN__ENCODE_FAILED;
+
+	if(*st) {
+		ASN__CALLBACK("<true/>", 7);
+	} else {
+		ASN__CALLBACK("<false/>", 8);
+	}
+
+	ASN__ENCODED_OK(er);
+cb_failed:
+	ASN__ENCODE_FAILED;
+}
+
+int
+BOOLEAN_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+              asn_app_consume_bytes_f *cb, void *app_key) {
+    const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
+	const char *buf;
+	size_t buflen;
+
+	(void)td;	/* Unused argument */
+	(void)ilevel;	/* Unused argument */
+
+	if(st) {
+		if(*st) {
+			buf = "TRUE";
+			buflen = 4;
+		} else {
+			buf = "FALSE";
+			buflen = 5;
+		}
+	} else {
+		buf = "<absent>";
+		buflen = 8;
+	}
+
+	return (cb(buf, buflen, app_key) < 0) ? -1 : 0;
+}
+
+void
+BOOLEAN_free(const asn_TYPE_descriptor_t *td, void *ptr,
+             enum asn_struct_free_method method) {
+    if(td && ptr) {
+        switch(method) {
+        case ASFM_FREE_EVERYTHING:
+            FREEMEM(ptr);
+            break;
+        case ASFM_FREE_UNDERLYING:
+            break;
+        case ASFM_FREE_UNDERLYING_AND_RESET:
+            memset(ptr, 0, sizeof(BOOLEAN_t));
+            break;
+        }
+    }
+}
+
+#ifndef ASN_DISABLE_PER_SUPPORT
+
+asn_dec_rval_t
+BOOLEAN_decode_uper(const asn_codec_ctx_t *opt_codec_ctx,
+                    const asn_TYPE_descriptor_t *td,
+                    const asn_per_constraints_t *constraints, void **sptr,
+                    asn_per_data_t *pd) {
+    asn_dec_rval_t rv;
+	BOOLEAN_t *st = (BOOLEAN_t *)*sptr;
+
+	(void)opt_codec_ctx;
+    (void)td;
+	(void)constraints;
+
+	if(!st) {
+		st = (BOOLEAN_t *)(*sptr = MALLOC(sizeof(*st)));
+		if(!st) ASN__DECODE_FAILED;
+	}
+
+	/*
+	 * Extract a single bit
+	 */
+	switch(per_get_few_bits(pd, 1)) {
+	case 1: *st = 1; break;
+	case 0: *st = 0; break;
+	case -1: default: ASN__DECODE_STARVED;
+	}
+
+	ASN_DEBUG("%s decoded as %s", td->name, *st ? "TRUE" : "FALSE");
+
+	rv.code = RC_OK;
+	rv.consumed = 1;
+	return rv;
+}
+
+
+asn_enc_rval_t
+BOOLEAN_encode_uper(const asn_TYPE_descriptor_t *td,
+                    const asn_per_constraints_t *constraints, const void *sptr,
+                    asn_per_outp_t *po) {
+    const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
+	asn_enc_rval_t er = { 0, 0, 0 };
+
+	(void)constraints;
+
+	if(!st) ASN__ENCODE_FAILED;
+
+	if(per_put_few_bits(po, *st ? 1 : 0, 1))
+		ASN__ENCODE_FAILED;
+
+	ASN__ENCODED_OK(er);
+}
+
+asn_dec_rval_t
+BOOLEAN_decode_aper(const asn_codec_ctx_t *opt_codec_ctx, const asn_TYPE_descriptor_t *td,
+                    const asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
+	asn_dec_rval_t rv;
+	BOOLEAN_t *st = (BOOLEAN_t *)*sptr;
+
+	(void)opt_codec_ctx;
+	(void)constraints;
+	(void)td;
+
+	if(!st) {
+		st = (BOOLEAN_t *)(*sptr = MALLOC(sizeof(*st)));
+		if(!st) ASN__DECODE_FAILED;
+	}
+
+	/*
+	 * Extract a single bit
+	 */
+	switch(per_get_few_bits(pd, 1)) {
+	case 1:
+		*st = 1;
+		break;
+	case 0:
+		*st = 0;
+		break;
+	case -1:
+	default:
+		ASN__DECODE_STARVED;
+	}
+
+	ASN_DEBUG("%s decoded as %s", td->name, *st ? "TRUE" : "FALSE");
+
+	rv.code = RC_OK;
+	rv.consumed = 1;
+	return rv;
+}
+
+asn_enc_rval_t
+BOOLEAN_encode_aper(const asn_TYPE_descriptor_t *td,
+                    const asn_per_constraints_t *constraints,
+                    const void *sptr, asn_per_outp_t *po) {
+	const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
+	asn_enc_rval_t er = { 0, 0, 0 };
+
+	(void)constraints;
+
+	if(!st) ASN__ENCODE_FAILED;
+
+	if(per_put_few_bits(po, *st ? 1 : 0, 1))
+        	ASN__ENCODE_FAILED;
+
+	ASN__ENCODED_OK(er);
+}
+
+#endif /* ASN_DISABLE_PER_SUPPORT */
+
+#ifndef  ASN_DISABLE_OER_SUPPORT
+
+/*
+ * Encode as Canonical OER.
+ */
+asn_enc_rval_t
+BOOLEAN_encode_oer(const asn_TYPE_descriptor_t *td,
+                   const asn_oer_constraints_t *constraints, const void *sptr,
+                   asn_app_consume_bytes_f *cb, void *app_key) {
+    asn_enc_rval_t er = { 1, 0, 0 };
+    const BOOLEAN_t *st = sptr;
+    uint8_t bool_value = *st ? 0xff : 0; /* 0xff mandated by OER */
+
+    (void)td;
+    (void)constraints;  /* Constraints are unused in OER */
+
+    if(cb(&bool_value, 1, app_key) < 0) {
+        ASN__ENCODE_FAILED;
+    } else {
+        ASN__ENCODED_OK(er);
+    }
+}
+
+asn_dec_rval_t
+BOOLEAN_decode_oer(const asn_codec_ctx_t *opt_codec_ctx,
+                   const asn_TYPE_descriptor_t *td,
+                   const asn_oer_constraints_t *constraints, void **sptr,
+                   const void *ptr, size_t size) {
+    asn_dec_rval_t ok = {RC_OK, 1};
+    BOOLEAN_t *st;
+
+    (void)opt_codec_ctx;
+    (void)td;
+    (void)constraints; /* Constraints are unused in OER */
+
+    if(size < 1) {
+        ASN__DECODE_STARVED;
+    }
+
+    if(!(st = *sptr)) {
+        st = (BOOLEAN_t *)(*sptr = CALLOC(1, sizeof(*st)));
+        if(!st) ASN__DECODE_FAILED;
+    }
+
+    *st = *(const uint8_t *)ptr;
+
+    return ok;
+}
+
+
+
+#endif
+
+int
+BOOLEAN_compare(const asn_TYPE_descriptor_t *td, const void *aptr,
+                const void *bptr) {
+    const BOOLEAN_t *a = aptr;
+    const BOOLEAN_t *b = bptr;
+
+    (void)td;
+
+    if(a && b) {
+        if(!*a == !*b) {    /* TRUE can be encoded by any non-zero byte. */
+            return 0;
+        } else if(!*a) {
+            return -1;
+        } else {
+            return 1;
+        }
+    } else if(!a) {
+        return -1;
+    } else {
+        return 1;
+    }
+}
+
+asn_random_fill_result_t
+BOOLEAN_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+                    const asn_encoding_constraints_t *constraints,
+                    size_t max_length) {
+    asn_random_fill_result_t result_ok = {ARFILL_OK, 1};
+    asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+    asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+    BOOLEAN_t *st = *sptr;
+
+    if(max_length == 0) return result_skipped;
+
+    if(st == NULL) {
+        st = (BOOLEAN_t *)(*sptr = CALLOC(1, sizeof(*st)));
+        if(st == NULL) {
+            return result_failed;
+        }
+    }
+
+    if(!constraints || !constraints->per_constraints)
+        constraints = &td->encoding_constraints;
+    if(constraints->per_constraints) {
+        const asn_per_constraint_t *pc = &constraints->per_constraints->value;
+        if(pc->flags & APC_CONSTRAINED) {
+            *st = asn_random_between(pc->lower_bound, pc->upper_bound);
+            return result_ok;
+        }
+    }
+
+    /* Simulate booleans that are sloppily set and biased. */
+    switch(asn_random_between(0, 7)) {
+    case 0:
+    case 1:
+    case 2:
+        *st = 0; break;
+    case 3: *st = -1; break;
+    case 4: *st = 1; break;
+    case 5: *st = INT_MIN; break;
+    case 6: *st = INT_MAX; break;
+    default:
+        *st = asn_random_between(INT_MIN, INT_MAX);
+        break;
+    }
+    return result_ok;
+}