Moving in e2sim originally from it/test/simulators
[sim/e2-interface.git] / e2sim / ASN1c / BOOLEAN.c
diff --git a/e2sim/ASN1c/BOOLEAN.c b/e2sim/ASN1c/BOOLEAN.c
new file mode 100644 (file)
index 0000000..41b88e7
--- /dev/null
@@ -0,0 +1,510 @@
+/*****************************************************************************
+#                                                                            *
+# Copyright 2019 AT&T Intellectual Property                                  *
+#                                                                            *
+# Licensed under the Apache License, Version 2.0 (the "License");            *
+# you may not use this file except in compliance with the License.           *
+# You may obtain a copy of the License at                                    *
+#                                                                            *
+#      http://www.apache.org/licenses/LICENSE-2.0                            *
+#                                                                            *
+# Unless required by applicable law or agreed to in writing, software        *
+# distributed under the License is distributed on an "AS IS" BASIS,          *
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
+# See the License for the specific language governing permissions and        *
+# limitations under the License.                                             *
+#                                                                            *
+******************************************************************************/
+
+/*-
+ * 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;
+}