From fafd9474ad9c147343f7d583336017ec92c06dfc Mon Sep 17 00:00:00 2001 From: Lassi Marttala Date: Wed, 26 Sep 2012 09:35:52 +0200 Subject: [GDLT-120]: Segmented Network Trace: Prepare for rewrite. This is a combination of 2 commits. Original descriptions below. [GDLT-120]: Remove dlt_queue. Only usage replace with POSIX queue. [GDLT-120]: Improve documentation. Add a note about context having to be pesistent thorough application lifetime. [GDLT-120]: Add macro interface. --- automotive-dlt.spec.in | 1 - include/dlt/dlt_user.h | 9 ++- include/dlt/dlt_user_macros.h | 28 +++++++ src/lib/CMakeLists.txt | 2 +- src/lib/dlt_user.c | 3 - src/shared/dlt_queue.c | 172 ------------------------------------------ src/shared/dlt_queue.h | 142 ---------------------------------- src/tests/CMakeLists.txt | 7 +- src/tests/dlt-test-queue.c | 94 ----------------------- 9 files changed, 36 insertions(+), 422 deletions(-) delete mode 100644 src/shared/dlt_queue.c delete mode 100644 src/shared/dlt_queue.h delete mode 100644 src/tests/dlt-test-queue.c diff --git a/automotive-dlt.spec.in b/automotive-dlt.spec.in index c9f6763..7dea8b3 100644 --- a/automotive-dlt.spec.in +++ b/automotive-dlt.spec.in @@ -98,7 +98,6 @@ rm -rf $RPM_BUILD_ROOT %{_bindir}/dlt-test-filetransfer %{_bindir}/dlt-test-multi-process %{_bindir}/dlt-test-multi-process-client -%{_bindir}/dlt-test-queue %attr(0755,root,root) %{_bindir}/dlt-daemon diff --git a/include/dlt/dlt_user.h b/include/dlt/dlt_user.h index 60d163f..cfbd2d8 100644 --- a/include/dlt/dlt_user.h +++ b/include/dlt/dlt_user.h @@ -364,8 +364,8 @@ int dlt_user_log_write_raw(DltContextData *log,void *data,uint16_t length); int dlt_user_trace_network(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload); /** - * Trace network message, truncated if necessary - * @param handle pointer to an object containing information about one special logging context + * Trace network message, truncated if necessary. + * @param handle pointer to an object containing information about logging context * @param nw_trace_type type of network trace (DLT_NW_TRACE_IPC, DLT_NW_TRACE_CAN, DLT_NW_TRACE_FLEXRAY, or DLT_NW_TRACE_MOST) * @param header_len length of network message header * @param header pointer to network message header @@ -379,7 +379,9 @@ int dlt_user_trace_network_truncated(DltContext *handle, DltNetworkTraceType nw_ /** * Trace network message in segmented asynchronous mode. * The sending of the data is done in a separate thread. - * @param handle pointer to an object containing information about one special logging context + * Please note that handle must exist for the lifetime of the application, because + * data chunks are sent asynchronously in undetermined future time. + * @param handle pointer to an object containing information about logging context * @param nw_trace_type type of network trace (DLT_NW_TRACE_IPC, DLT_NW_TRACE_CAN, DLT_NW_TRACE_FLEXRAY, or DLT_NW_TRACE_MOST) * @param header_len length of network message header * @param header pointer to network message header @@ -597,6 +599,7 @@ int dlt_log_uint(DltContext *handle,DltLogLevelType loglevel, unsigned int data) */ int dlt_log_raw(DltContext *handle,DltLogLevelType loglevel, void *data,uint16_t length); + /** * Forward a complete DLT message to the DLT daemon * @param msgdata Message data of DLT message diff --git a/include/dlt/dlt_user_macros.h b/include/dlt/dlt_user_macros.h index d3d6f42..20f605d 100644 --- a/include/dlt/dlt_user_macros.h +++ b/include/dlt/dlt_user_macros.h @@ -288,6 +288,34 @@ extern DltContext CONTEXT; dlt_user_trace_network(&(CONTEXT),TYPE,HEADERLEN,HEADER,PAYLOADLEN,PAYLOAD); \ }while(0) +/** + * Trace network message, allow truncation + * @param CONTEXT object containing information about one special logging context + * @param TYPE type of network trace message + * @param HEADERLEN length of network message header + * @param HEADER pointer to network message header + * @param PAYLOADLEN length of network message payload + * @param PAYLOAD pointer to network message payload + */ +#define DLT_TRACE_NETWORK_TRUNCATED(CONTEXT,TYPE,HEADERLEN,HEADER,PAYLOADLEN,PAYLOAD) \ + do { \ + dlt_user_trace_network_truncated(&(CONTEXT),TYPE,HEADERLEN,HEADER,PAYLOADLEN,PAYLOAD, 1); \ + }while(0) + +/** + * Trace network message, segment large messages + * @param CONTEXT object containing information about one special logging context + * @param TYPE type of network trace message + * @param HEADERLEN length of network message header + * @param HEADER pointer to network message header + * @param PAYLOADLEN length of network message payload + * @param PAYLOAD pointer to network message payload + */ +#define DLT_TRACE_NETWORK_SEGMENTED(CONTEXT,TYPE,HEADERLEN,HEADER,PAYLOADLEN,PAYLOAD) \ + do { \ + dlt_user_trace_network_segmented(&(CONTEXT),TYPE,HEADERLEN,HEADER,PAYLOADLEN,PAYLOAD); \ + }while(0) + /** * Send log message with string parameter. * @param CONTEXT object containing information about one special logging context diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt index bd0e4df..cceccd2 100644 --- a/src/lib/CMakeLists.txt +++ b/src/lib/CMakeLists.txt @@ -14,7 +14,7 @@ # @licence end@ ########q -set(dlt_LIB_SRCS dlt_user dlt_client dlt_filetransfer ${CMAKE_SOURCE_DIR}/src/shared/dlt_queue.c ${CMAKE_SOURCE_DIR}/src/shared/dlt_common.c ${CMAKE_SOURCE_DIR}/src/shared/dlt_user_shared.c ${CMAKE_SOURCE_DIR}/src/shared/dlt_shm.c) +set(dlt_LIB_SRCS dlt_user dlt_client dlt_filetransfer ${CMAKE_SOURCE_DIR}/src/shared/dlt_common.c ${CMAKE_SOURCE_DIR}/src/shared/dlt_user_shared.c ${CMAKE_SOURCE_DIR}/src/shared/dlt_shm.c) add_library(dlt ${dlt_LIB_SRCS}) target_link_libraries(dlt rt ${CMAKE_THREAD_LIBS_INIT}) diff --git a/src/lib/dlt_user.c b/src/lib/dlt_user.c index 92c1233..da30734 100644 --- a/src/lib/dlt_user.c +++ b/src/lib/dlt_user.c @@ -88,7 +88,6 @@ #include "dlt_user_shared.h" #include "dlt_user_shared_cfg.h" #include "dlt_user_cfg.h" -#include "dlt_queue.h" static DltUser dlt_user; static int dlt_user_initialised = 0; @@ -114,8 +113,6 @@ typedef struct { void *payload; } s_segmented_data; -dlt_queue *dlt_segmented_nwt_queue; - /* Function prototypes for internally used functions */ static void dlt_user_receiverthread_function(void *ptr); static void dlt_user_atexit_handler(void); diff --git a/src/shared/dlt_queue.c b/src/shared/dlt_queue.c deleted file mode 100644 index b9b4855..0000000 --- a/src/shared/dlt_queue.c +++ /dev/null @@ -1,172 +0,0 @@ -/** - * @licence app begin@ - * Copyright (C) 2012 BMW AG - * - * This file is part of GENIVI Project Dlt - Diagnostic Log and Trace console apps. - * - * Contributions are licensed to the GENIVI Alliance under one or more - * Contribution License Agreements. - * - * \copyright - * This Source Code Form is subject to the terms of the - * Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with - * this file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * - * \author Lassi Marttala BMW 2012 - * - * \file dlt_queue.h - * For further information see http://www.genivi.org/. - * @licence end@ - */ - - -/******************************************************************************* -** ** -** SRC-MODULE: dlt_queue.h ** -** ** -** TARGET : linux ** -** ** -** PROJECT : DLT ** -** ** -** AUTHOR : Lassi Marttala ** -** ** -** PURPOSE : Linked list based dynamic queue ** -** ** -** REMARKS : ** -** ** -** PLATFORM DEPENDANT [yes/no]: no ** -** ** -** TO BE CHANGED BY USER [yes/no]: no ** -** ** -*******************************************************************************/ - -/******************************************************************************* -** Author Identity ** -******************************************************************************** -** ** -** Initials Name Company ** -** -------- ------------------------- ---------------------------------- ** -** lm Lassi Marttala Eureka GmbH ** -*******************************************************************************/ -#include -#include - -#include "dlt_queue.h" - -// Thread safety -static sem_t dlt_queue_mutex; -#define DLT_QUEUE_SEM_LOCK() { sem_wait(&dlt_queue_mutex); } -#define DLT_QUEUE_SEM_FREE() { sem_post(&dlt_queue_mutex); } - -dlt_queue_item *dlt_queue_create_item() -{ - dlt_queue_item *item = malloc(sizeof(dlt_queue_item)); - item->item = NULL; - item->item_size = 0; - item->next_item = NULL; - return item; -} - -void dlt_queue_free_item(dlt_queue_item *item) -{ - if(item != NULL) - { - free(item); - item = NULL; - } -} - -dlt_queue *dlt_queue_create() -{ - static int init_done = 0; - if(!init_done) - { - init_done = 1; - sem_init(&dlt_queue_mutex, 0, 1); - } - return (dlt_queue *)malloc(sizeof(dlt_queue)); -} - -void dlt_queue_free(dlt_queue *queue) -{ - if(queue != NULL) - { - free(queue); - queue = NULL; - } -} - -void dlt_queue_push(dlt_queue_item *item, dlt_queue *queue) -{ - DLT_QUEUE_SEM_LOCK() - item->next_item = NULL; - // Empty queue - if(dlt_queue_is_empty(queue)) - { - queue->head = item; - queue->tail = item; - } - // Exactly one item - else if(queue->head == queue->tail) - { - queue->head->next_item = (struct dlt_queue_item *)item; - queue->tail = item; - } - // Default case - else - { - queue->tail->next_item = (struct dlt_queue_item *)item; - queue->tail = item; - } - DLT_QUEUE_SEM_FREE() -} - -dlt_queue_item *dlt_queue_pop(dlt_queue *queue) -{ - DLT_QUEUE_SEM_LOCK() - dlt_queue_item *retval = NULL; - // Empty queue - if(dlt_queue_is_empty(queue)) - { - retval = NULL; - } - // Exactly one item - else if(queue->head == queue->tail) - { - retval = queue->head; - retval->next_item = NULL; - queue->head = NULL; - queue->tail = NULL; - } - // Default case - else - { - retval = queue->head; - queue->head = (dlt_queue_item *)retval->next_item; - retval->next_item = NULL; - } - DLT_QUEUE_SEM_FREE() - return retval; -} - -int dlt_queue_is_empty(dlt_queue *queue) -{ - if(queue->head == NULL && queue->tail == NULL) - return 1; - return 0; -} - -int dlt_queue_item_count(dlt_queue *queue) -{ - DLT_QUEUE_SEM_LOCK() - int retval = 0; - dlt_queue_item *ptr = queue->head; - while(ptr != NULL) - { - ptr = (dlt_queue_item *) ptr->next_item; - retval++; - } - DLT_QUEUE_SEM_FREE() - return retval; -} diff --git a/src/shared/dlt_queue.h b/src/shared/dlt_queue.h deleted file mode 100644 index 40eda03..0000000 --- a/src/shared/dlt_queue.h +++ /dev/null @@ -1,142 +0,0 @@ -/** - * @licence app begin@ - * Copyright (C) 2012 BMW AG - * - * This file is part of GENIVI Project Dlt - Diagnostic Log and Trace console apps. - * - * Contributions are licensed to the GENIVI Alliance under one or more - * Contribution License Agreements. - * - * \copyright - * This Source Code Form is subject to the terms of the - * Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with - * this file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * - * \author Lassi Marttala BMW 2012 - * - * \file dlt_common_cfg.h - * For further information see http://www.genivi.org/. - * @licence end@ - */ - - -/******************************************************************************* -** ** -** SRC-MODULE: dlt_queue.h ** -** ** -** TARGET : linux ** -** ** -** PROJECT : DLT ** -** ** -** AUTHOR : Lassi Marttala ** -** ** -** PURPOSE : Linked list based dynamic queue ** -** ** -** REMARKS : ** -** ** -** PLATFORM DEPENDANT [yes/no]: no ** -** ** -** TO BE CHANGED BY USER [yes/no]: no ** -** ** -*******************************************************************************/ - -/******************************************************************************* -** Author Identity ** -******************************************************************************** -** ** -** Initials Name Company ** -** -------- ------------------------- ---------------------------------- ** -** lm Lassi Marttala Eureka GmbH ** -*******************************************************************************/ -#ifndef __DLT_QUEUE_H_ -#define __DLT_QUEUE_H_ -#include - -/** - * \brief One item in the linked list - */ -typedef struct { - void *item; - uint16_t item_size; - struct dlt_queue_item *next_item; -}dlt_queue_item; - -/** - * \brief Linked list of items - */ -typedef struct { - dlt_queue_item *head; - dlt_queue_item *tail; -} dlt_queue; - -/** - * \brief Create new empty queue item - * Allocates a new item and returns a pointer to it - * @return Pointer to the new item - */ -dlt_queue_item *dlt_queue_create_item(); - -/** - * \brief Free an queue item - * Frees the memory of the queue item - * @param item Pointer to the item to be freed - */ -void dlt_queue_free_item(dlt_queue_item *item); - -/** - * \brief Create a new empty queue - * Queue is created with no items in it. - * User is responsible for calling dlt_queue_free after - * the queue is not needed anymore. - * @return New allocated queue - */ -dlt_queue *dlt_queue_create(); - -/** - * \brief Delete a queue - * Free the memory of the queue structure. - * Queued items are NOT freed. User must first pop all the items - * to remove the from queue and fere their memory themself. - * @param queue the queue to be freed - */ -void dlt_queue_free(dlt_queue *queue); - -/** - * \brief Push an item to the end of the queue - * Add a new item to the queue. It is now the new tail item. - * Queue does not take ownership of the item. User still must - * handle the freeing of the memory. - * @param item New item to add to the queue - * @param queue Queue to add the item to. - */ -void dlt_queue_push(dlt_queue_item *item, dlt_queue *queue); - -/** - * \brief Pop an item from the head of the queue - * Remove an item from the head of the queue and return it. - * @param queue Queue to pop from - * @return Pointer to the popped item - */ -dlt_queue_item *dlt_queue_pop(dlt_queue *queue); - -/** - * \brief Checks if the queue is empty - * Checks if the head and and tail are null pointers - * and returns the result. - * @param queue Queue to check - * @return 1 if queue is empty, 0 if not. - */ -int dlt_queue_is_empty(dlt_queue *queue); - -/** - * \brief Counts the items in the queue - * Walks the item chain and reports the number of items in - * the queue. If you only need to know if there are items - * or not, please use dlt_queue_is_empty, which is cheaper - * than counting the items. - * @param queue Queue to check - * @return number of items. - */ -int dlt_queue_item_count(dlt_queue *queue); -#endif diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt index e91ab58..b84bec9 100644 --- a/src/tests/CMakeLists.txt +++ b/src/tests/CMakeLists.txt @@ -13,11 +13,6 @@ # # @licence end@ ######## -set(dlt_test_queue_SRCS dlt-test-queue) -add_executable(dlt-test-queue ${dlt_test_queue_SRCS}) -target_link_libraries(dlt-test-queue dlt) -set_target_properties(dlt-test-queue PROPERTIES LINKER_LANGUAGE C) - set(dlt_test_multi_process_SRCS dlt-test-multi-process) add_executable(dlt-test-multi-process ${dlt_test_multi_process_SRCS}) target_link_libraries(dlt-test-multi-process dlt) @@ -58,7 +53,7 @@ add_executable(dlt-test-filetransfer ${dlt_test_filetransfer_SRCS}) target_link_libraries(dlt-test-filetransfer dlt) set_target_properties(dlt-test-filetransfer PROPERTIES LINKER_LANGUAGE C) -install(TARGETS dlt-test-queue dlt-test-multi-process dlt-test-multi-process-client dlt-test-user dlt-test-client dlt-test-stress-user dlt-test-stress-client dlt-test-stress dlt-test-filetransfer +install(TARGETS dlt-test-multi-process dlt-test-multi-process-client dlt-test-user dlt-test-client dlt-test-stress-user dlt-test-stress-client dlt-test-stress dlt-test-filetransfer RUNTIME DESTINATION bin COMPONENT base) diff --git a/src/tests/dlt-test-queue.c b/src/tests/dlt-test-queue.c deleted file mode 100644 index 774ea8f..0000000 --- a/src/tests/dlt-test-queue.c +++ /dev/null @@ -1,94 +0,0 @@ -/** - * @licence app begin@ - * Copyright (C) 2012 BMW AG - * - * This file is part of GENIVI Project Dlt - Diagnostic Log and Trace console apps. - * - * Contributions are licensed to the GENIVI Alliance under one or more - * Contribution License Agreements. - * - * \copyright - * This Source Code Form is subject to the terms of the - * Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with - * this file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * - * \author Lassi Marttala BMW 2012 - * - * \file dlt-test-queue.h - * For further information see http://www.genivi.org/. - * @licence end@ - */ - - -/******************************************************************************* -** ** -** SRC-MODULE: dlt_queue.h ** -** ** -** TARGET : linux ** -** ** -** PROJECT : DLT ** -** ** -** AUTHOR : Lassi Marttala ** -** ** -** PURPOSE : Test for queue implementation ** -** ** -** REMARKS : ** -** ** -** PLATFORM DEPENDANT [yes/no]: no ** -** ** -** TO BE CHANGED BY USER [yes/no]: no ** -** ** -*******************************************************************************/ - -/******************************************************************************* -** Author Identity ** -******************************************************************************** -** ** -** Initials Name Company ** -** -------- ------------------------- ---------------------------------- ** -** lm Lassi Marttala Eureka GmbH ** -*******************************************************************************/ - -#include "dlt_queue.h" -#include -#include - -int main(void) -{ - char *item_content = "item_content\n"; - int item_len = strlen(item_content) + 1; - dlt_queue *queue = dlt_queue_create(); - printf("#1\tdlt_queue_is_empty returns\t%d\n", dlt_queue_is_empty(queue)); - - dlt_queue_item *first = dlt_queue_create_item(); - first->item = item_content; - first->item_size = item_len; - dlt_queue_push(first, queue); - - printf("#2\tdlt_queue_is_empty returns\t%d\n", dlt_queue_is_empty(queue)); - printf("#3\tdlt_queue_item_count returns\t%d\n", dlt_queue_item_count(queue)); - - dlt_queue_item *tret = dlt_queue_pop(queue); - printf("#4\tItem content after pop:\t%d:%s", tret->item_size, (char *)tret->item); - dlt_queue_free_item(tret); - - int i=0; - for(i=0;i<5;i++) - { - dlt_queue_item *newitem = dlt_queue_create_item(); - newitem->item = item_content; - newitem->item_size = i; - dlt_queue_push(newitem, queue); - } - printf("#5\tdlt_queue_item_count returns\t%d\n", dlt_queue_item_count(queue)); - while(!dlt_queue_is_empty(queue)) - { - dlt_queue_item *olditem = dlt_queue_pop(queue); - printf("#6\tItem size (item number):%d\n", olditem->item_size); - dlt_queue_free_item(olditem); - } - printf("#7\tdlt_queue_is_empty returns\t%d\n", dlt_queue_is_empty(queue)); - printf("#8\tdlt_queue_item_count returns\t%d\n", dlt_queue_item_count(queue)); - return 0; -} -- cgit v1.2.1