diff options
Diffstat (limited to 'lib/avtp_pipeline/aem/openavb_descriptor_strings.c')
| -rw-r--r-- | lib/avtp_pipeline/aem/openavb_descriptor_strings.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/lib/avtp_pipeline/aem/openavb_descriptor_strings.c b/lib/avtp_pipeline/aem/openavb_descriptor_strings.c new file mode 100644 index 00000000..dc599622 --- /dev/null +++ b/lib/avtp_pipeline/aem/openavb_descriptor_strings.c @@ -0,0 +1,193 @@ +/*************************************************************************************************************
+Copyright (c) 2012-2015, Symphony Teleca Corporation, a Harman International Industries, Incorporated company
+Copyright (c) 2016-2017, Harman International Industries, Incorporated
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS LISTED "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS LISTED BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Attributions: The inih library portion of the source code is licensed from
+Brush Technology and Ben Hoyt - Copyright (c) 2009, Brush Technology and Copyright (c) 2009, Ben Hoyt.
+Complete license and copyright information can be found at
+https://github.com/benhoyt/inih/commit/74d2ca064fb293bc60a77b0bd068075b293cf175.
+*************************************************************************************************************/
+
+/*
+ ******************************************************************
+ * MODULE : AEM - AVDECC Strings Descriptor
+ * MODULE SUMMARY : Implements the AVDECC Strings IEEE Std 1722.1-2013 clause 7.2.12
+ ******************************************************************
+ */
+
+#include <stdlib.h>
+
+#define AVB_LOG_COMPONENT "AEM"
+#include "openavb_log.h"
+
+#include "openavb_rawsock.h"
+#include "openavb_aem.h"
+#include "openavb_descriptor_strings.h"
+
+
+////////////////////////////////
+// Private (internal) functions
+////////////////////////////////
+openavbRC openavbAemDescriptorStringsToBuf(void *pVoidDescriptor, U16 bufLength, U8 *pBuf, U16 *descriptorSize)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_strings_t *pDescriptor = pVoidDescriptor;
+
+ if (!pDescriptor || !pBuf || !descriptorSize) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT), AVB_TRACE_AEM);
+ }
+
+ if (bufLength < OPENAVB_DESCRIPTOR_STRINGS_BASE_LENGTH) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVBAVDECC_RC_BUFFER_TOO_SMALL), AVB_TRACE_AEM);
+ }
+
+ *descriptorSize = 0;
+
+ openavb_aem_descriptor_strings_t *pSrc = pDescriptor;
+ U8 *pDst = pBuf;
+
+ OCT_D2BHTONS(pDst, pSrc->descriptor_type);
+ OCT_D2BHTONS(pDst, pSrc->descriptor_index);
+ memcpy(pDst, pSrc->string, sizeof(pSrc->string));
+ pDst += sizeof(pSrc->string);
+ *descriptorSize = pDst - pBuf;
+
+ AVB_RC_TRACE_RET(OPENAVB_AVDECC_SUCCESS, AVB_TRACE_AEM);
+}
+
+openavbRC openavbAemDescriptorStringsFromBuf(void *pVoidDescriptor, U16 bufLength, U8 *pBuf)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_strings_t *pDescriptor = pVoidDescriptor;
+
+ if (!pDescriptor || !pBuf) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT), AVB_TRACE_AEM);
+ }
+
+ if (bufLength < OPENAVB_DESCRIPTOR_STRINGS_BASE_LENGTH) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVBAVDECC_RC_BUFFER_TOO_SMALL), AVB_TRACE_AEM);
+ }
+
+ U8 *pSrc = pBuf;
+ openavb_aem_descriptor_strings_t *pDst = pDescriptor;
+
+ OCT_B2DNTOHS(pDst->descriptor_type, pSrc);
+ OCT_B2DNTOHS(pDst->descriptor_index, pSrc);
+ memcpy(pDst->string, pSrc, sizeof(pDst->string));
+ pSrc += sizeof(pDst->string);
+
+ AVB_RC_TRACE_RET(OPENAVB_AVDECC_SUCCESS, AVB_TRACE_AEM);
+}
+
+openavbRC openavbAemDescriptorStringsUpdate(void *pVoidDescriptor)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_strings_t *pDescriptor = pVoidDescriptor;
+
+ if (!pDescriptor) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT), AVB_TRACE_AEM);
+ }
+
+ // AVDECC_TODO - Any updates needed?
+
+ AVB_RC_TRACE_RET(OPENAVB_AVDECC_SUCCESS, AVB_TRACE_AEM);
+}
+
+////////////////////////////////
+// Public functions
+////////////////////////////////
+extern DLL_EXPORT openavb_aem_descriptor_strings_t *openavbAemDescriptorStringsNew()
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_strings_t *pDescriptor;
+
+ pDescriptor = malloc(sizeof(*pDescriptor));
+
+ if (!pDescriptor) {
+ AVB_RC_LOG(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_OUT_OF_MEMORY));
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return NULL;
+ }
+ memset(pDescriptor, 0, sizeof(*pDescriptor));
+
+ pDescriptor->descriptorPvtPtr = malloc(sizeof(*pDescriptor->descriptorPvtPtr));
+ if (!pDescriptor->descriptorPvtPtr) {
+ free(pDescriptor);
+ pDescriptor = NULL;
+ AVB_RC_LOG(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_OUT_OF_MEMORY));
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return NULL;
+ }
+
+ pDescriptor->descriptorPvtPtr->size = sizeof(openavb_aem_descriptor_strings_t);
+ pDescriptor->descriptorPvtPtr->bTopLevel = FALSE;
+ pDescriptor->descriptorPvtPtr->toBuf = openavbAemDescriptorStringsToBuf;
+ pDescriptor->descriptorPvtPtr->fromBuf = openavbAemDescriptorStringsFromBuf;
+ pDescriptor->descriptorPvtPtr->update = openavbAemDescriptorStringsUpdate;
+
+ pDescriptor->descriptor_type = OPENAVB_AEM_DESCRIPTOR_STRINGS;
+
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return pDescriptor;
+}
+
+extern DLL_EXPORT const char * openavbAemDescriptorStringsGet_string(openavb_aem_descriptor_strings_t *pDescriptor, U8 index)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ if (!pDescriptor || index >= OPENAVB_AEM_NUM_DESCRIPTOR_STRINGS) {
+ AVB_RC_LOG(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT));
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return NULL;
+ }
+
+ const char *ret = (const char *) (pDescriptor->string[index]);
+ if (*ret == '\0') {
+ /* The string is empty. */
+ ret = NULL;
+ }
+
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return ret;
+}
+
+extern DLL_EXPORT bool openavbAemDescriptorStringsSet_string(openavb_aem_descriptor_strings_t *pDescriptor, const char *pString, U8 index)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ if (!pDescriptor || !pString || index >= OPENAVB_AEM_NUM_DESCRIPTOR_STRINGS) {
+ AVB_RC_LOG(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT));
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return FALSE;
+ }
+
+ openavbAemSetString(pDescriptor->string[index], pString);
+
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return TRUE;
+}
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