1 Diagnostic Log and Trace - Release Notes
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2 =========================================
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3 Alexander Wenzel <Alexander.AW.Wenzel@bmw.de>
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14 * Fixed: all possible malloc, sprintf and strcpy problems
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15 * Fixed: Creation of dltpipes directory is too late.
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16 * Cygwin port: cygwin patch, signal handling patch and cppcheck and install lib dll to correct location on Windows.
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17 * Fixed compiler warnings with 32Bit gcc compiler.
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18 * Fixed: Fixed offline trace and new send functions issues
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19 * Fixed: Bug 172 - DLT system crashes because of wrong journald adaptor implementation
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20 * DLT Common API Wrapper.
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21 * Removed dlt_free from example and test applications, already called from exit handler.
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22 * Fixed missing dlt_receiver_remove in dlt_daemon_process_user_xxx functions.
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23 * Use LIB_SUFFIX as lib installation path.
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24 * Fixed serial port not working anymore.
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25 * Added log output of created socket/port In init phase 2 - socket creation
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26 * Defined return value for dlt_message_read().
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27 * Cleanup of send return values.Further cleanup of send restructure.
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28 * Moved daemon client functions to new source file.
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29 * Centralised send function to client.Introduced connection state to dlt daemon.
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30 * Removed check of double registration of contexts in user library, already checked by daemon.
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31 * When using DLT in console mode on a 64-bit machine, timestamps are corrupted due to an address of a 32-bit value being cast to a 64-bit pointer.
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32 * Bug 3 - Cmake does not check for zlib for dlt-daemon compilation.
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33 * Added new control message timezone.
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34 * Fixed deadlock after wrong merge..
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35 * Fix potential buffer overflow in offline trace.
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36 * Fix deadlock in dlt_user_log_reattach_to_daemon(void).
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37 * Fixed possible crash when runtime configurations files are corrupted.
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38 * Environement variables added to configure internal logging in library.
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39 * Reduce Timeout between filetransfer packets.
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40 * Close socket when send fails.
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41 * Replace threads by timing fds for ecu version, timing packets and watchdog.
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42 * Added conntection info and unregister context control messages.
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43 * Configurable Timeout on send.
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44 * Added further checks to dlt_buffer.
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45 * atexit handler fix.
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46 * Add threadnames to libdlt threads.
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47 * Security fix on DLT pipes.
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48 * Reduce usage of SEM_LOCK in application library and reset pointers.
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49 * Fix: Systemd Journal Adapter provides corrupted output.
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50 * Fix: Install Example service file only when example enabled
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54 * Implementation of command line tool dlt-control.
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55 * Fix file transfer bug.
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56 * Bug 44 - Don't print "Buffer full" message from DLT daemon for each trace.
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57 * Yocto fix in build builds.
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58 * Fixed: security issue in dlt-system-shell regarding strncpy.
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59 * Fixed: Security Issue by Command Injection in DLT System.
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60 * systemd/CMakeLists: Remove SYSTEMD_CONFIGURATIONS_FILES_DIR existance check.
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61 * Bug 85 - Include of dlt.h leads to compiler warning.
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62 * Bug 84 - Adding utf8 support to dlt-daemon, dlt-viewer. Modified patch, originally provided by Stefan Vacek.
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63 * systemd journal support added.
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64 * spec file does not package man files when cmake is run with -DWITH_DOC=OFF
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65 * added length check for paths of files to be transferred
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66 * Semaphores and Pointer passing insteasd by value and otehr coverity issue fixes
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67 * Fixed several issues in DLT filetransfer.
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68 * added creation date and a simple hash on the file name for to improve the uniqueness of getFileSerialNumber
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69 * modified filetransfer to be more robust in restarting transfers
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70 * Remove dangling DLT_SEM_FREE from dlt_user_queue_resend
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71 * Unifed ECU version sending functions
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72 * Refinements due to problems reported by static code analysis
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73 * Spec file does no more package man files when cmake is run with -DWITH_DOC=OFF
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74 * Made the APID strings in dlt-test-multi-process counting from 00-99
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75 * Added creation date and a simple hash on the file name for to improve the uniqueness of getFileSerialNumber
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76 * File Transfer: improved robustness in case of restarted ECU/dlt-system with interrupted transfers
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80 * Changed documentation and man pages into asciidoc format.
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81 * Increased buffer sizes for DLT user library and DLT daemon
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82 * [GDLT-120]: truncated and Segmented network tracing
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83 * [GDLT-137]: Automatically try resending of user buffer after FIFO full
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84 * [GSWD-85]: Added authors file
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88 * [GDLT-115]: Encapsulate user macros
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89 * Fix register app and register context was not stored in buffer when FIFO is full. Other controll messages still not saved in buffer.
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90 * Create new fifo only when same application registers with different pid.'
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91 * Do not register appliction again, if already registered.
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92 * Fixed filetransfer not checking buffer fill level.
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96 * [GDLT-24] Fixing compiler warnings
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97 * [GDLT-94] Optional sending periodic software version messages. See man pages for more informations
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98 * [GENDLT-26] Check for description length sanity
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99 * [GENDLT-24] Crash on invalid injection message fixed
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100 * [GDLT-93] Add -Wextra flags for compilation Fixed all the warnings that
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101 * [GDLT-90] Optional: systemd watchdog concept in dlt-system and dlt-daemon
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102 * [GDLT-67] Re-implemented dlt-system. Read full commit message for more information
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106 * [GDLT-89] Fixed daemon doesn't sent the persistent log level
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107 * [GDLT-88] Fixed wrong initalization order using offline trace function
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111 * Add _GNU_SOURCE Definition to be able to use O_CLOEXEC
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112 * Added important SEM_FREE in the daemon and closing fd in the filetransfer
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113 * [GDLT-3] Fixed missing semaphore around dlt_buffer_push3
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114 * [GDLT-86] Fixed dlt_free uses absolute file path /tmp and not DLT_USER_DEFINE define
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115 * [D4099] Check for duplicate file handles, and clean them up if found
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116 * [GDLT-85] Pipes opened multiple times for the same application pid fixed
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117 * [GDLT-82] Child process inherits file descriptors openend by their parent fixed
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118 * [GDLT-84] Instead of calling the injection callback, store a pointer to it and the required parameter data fixed
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119 * [GDLT-70] Check for malloc failures and return errors where applicable
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120 * [GDLT-47] Avoid discarding old contexts if no new memory can be allocate
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121 * [GDLT-69] Fixed bug in dlt-test-multi-process shares context between threads
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125 * [GDLT-75] Use old style directory check on startup
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126 * [GENDLT-21] Move mcnt from DltContextData to DltContext
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127 * [GENDLT-15] Fixes to previous integrations from review
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128 * [GENDLT-15] Safe re-allocations for databuffer
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129 * [GENDLT-15] use the correct TEXTBUFSIZE
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130 * [GENDLT-15] Optimize usege of strlen. Improved log level handling
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131 * [GENDLT-15] Avoid buffer overrun with snprintf()
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132 * [GENDLT-15] Check return value of dlt_user_log_write_start(_id) correctly
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133 * [GENDLT-15] Reduce the number of applications if allocation fails
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134 * [GENDLT-15] Make dlt_user_log_write_start inline
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135 * [GENDLT-15] Improve errore checking in dlt_user_log_write_start_id
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136 * [GENDLT-15] Use databussersize to avoid reallocations
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137 * [GENDLT-15] Rename buffer size constant to avoid confusion
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138 * [GENDLT-15] Better error handling when writing to FIFO
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139 * [GENDLT-15] Remove duplicate msg initialization.
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140 * [GENDLT-15] Optimize away multiple uses of strlen for one check
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141 * [GDLT-4] Improve queue handling, allow for other messages while transferring a large file
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142 * [GDLT-4] Limit maximum file queue to 256 files
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143 * [GDLT-4] First working version of inotify for file transfer
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144 * [GDLT-2] First test for filetransfer change
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145 * [GDLT-2] Change to gzip wrapper format. Change file signature creation to account for file size, as inode number maybe duplicate when deleting and creating new files
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146 * [GDLT-2] Fix bug while reading the options
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147 * [GDLT-2] Allow for enabling/disabling compression for the separate directories
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148 * [GDLT-2] Check if the file is already compressed
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149 * [GDLT-2] Link with libz, fix a typo
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150 * [GDLT-2] zlib based compression for dlt-system
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151 * Cleaned some warnings generated from removing stale old code
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155 * Change to Mozilla Public License Version 2.0
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159 * Fixed bug with comparinson between signed and unsigned integer and protection for a buffer overflow.
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160 * Modified library for new test cases to corrupt data - related to the bug fix for testing signed and unsigned integer
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161 * [GENDLT-20] Fixed bug to use old cmake version for copy file
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162 * Replaced dlt-test-filetransfer-image.png with an own created image
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163 * [GENDLT-21] Fixed bug: Message Counter (MCNT) should be increased but is always 0
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167 * [GDLT-53] Man pages installation included
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168 * .cproject and .project file for Eclipse included
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169 * Update of doxygen documentation and generation
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170 * Rework of root CMake project file, e.g. structure and compile options
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171 * [GENDLT-16] Create variable in dlt-system.conf to configure the timeout of the filetransfer
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172 * [GDLT-37] Extend automated test tools for parallel process/threads tests
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173 * [GSW-138] API Extension to resend the log messages in the user buffer
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174 * [GDLT-36] Prefixing of dlt_version.h fixed
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175 * [GDLT-31] Tracefile content stored different under Ubuntu 64 bit version compared to Ubuntu/Win 32 Bit version fixed
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176 * [GDLT-35] Compile warnings fixed
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177 * [GSW-137] Wrong include gives error on compailing against dlt fixed
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181 * Added dynamic increasable ringbuffers to user lib and daemon.
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182 * dlt-system filetransfer now recovers when file is deleted during filetransfer.
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183 * Added check of file size when starting and deleting files during filetransfer
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184 * Added chekc of shm buffer availability when push to shm
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185 * Create abstraction of shm buffer management.
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186 * Fixed buffer overflow problem in buffer library.
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187 * Disabled share memory by default - disabled completely shared memory if not enabled.
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191 * Added dynamic increasable ringbuffers to user lib and dlt-daemon.
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192 * Created abstraction of shm buffer management.
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193 * dlt-system filetransfer now recovers when file is deleted during filetransfer.
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194 * Added check of file size when starting and deleting files during filetransfer.
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195 * Added check of shm buffer availability when push to shm.
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199 * Added internal logging facility to stdout, syslog or local file, configurable in configuration file.
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200 * Added deamonise and signal handlers to dlt-system.
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201 * Added manual pages.
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202 * Added new API dlt_check_library_version() function.
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203 * Fifo or SHM mode can be changed by compiler switch.
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204 * Replaced SHM implementation.
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205 * Fixed shared memory problem in DLT library during startup, if application is started before daemon.
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206 * Fixed syslog adapter in dlt-system.
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207 * Reverted API changes in dlt_register_app() function.
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208 * DLT user library does not set the stack size of the receiver thread anymore.
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212 * New config files /etc/dlt.conf and /etc/dlt-system.conf must be adapted to the needs
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213 * New DLT user lib API dlt_get_log_state() to get DLT client state
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214 * New DLT user lib API to manage flow control (needed for bulk data logging)
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215 * New DLT user lib API dlt_set_log_mode() to enable/disable internal/external trace
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216 * New application dlt-system (filtransfer, proc file system logger,syslog udp adapter included)
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217 * [GSW-66] File transfer over DLT.
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218 * [GSW-43] Performance improvement for bulk data over DLT.
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219 * [GSW-61] Replace command line parameter by configuration file
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220 * [GSW-13] Support for keep-alive messages as configuration parameter
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221 * [GSW-60] Extended offline DLT Trace memory handling.
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222 * Removed filter implementation
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226 * [GSW-16] Systemd configuration for syslog to DLT dapater
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227 * [GSW-62] DLT Library version check
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228 * [GSW-28] Directory where persistent data is stored is not configurable
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229 * [GSW-59] Statically allocated large array
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230 * Added init script for Ubuntu
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231 * Optional adding of gprof compile flags
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232 * sprintf with float64 fails on ARM platform; disabled this function on QRM platform.
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236 * Moved build process completely to cmake
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237 * Added commandline parameter -u to set ring buffer size
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238 * Reduced cpu consumption needed by applications using DLT library
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239 * Increased default ringbuffer size to 10024 bytes
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240 * Changed delay in receiver routine to 100ms
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245 * New dlt viewer (QT-based) implementated
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246 * Moved to seperate project, see extra Release Notes for DLT Viewer (QT)
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247 * DLT Viewer (WX) - Deprecated
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248 * Old dlt viewer (WX) is removed now from package generation
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249 * Moved to seperate project
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250 * Removed filtering of messages during writing to a file
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252 * Functions dlt_file_read_raw() and dlt_file_read_header_raw() added
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253 * Added support for raw messages in nonverbose mode
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254 * Injection tables are now dynamically allocated
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255 * Contexts are now dynamically allocated
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256 * Added seperate file for platform float types (dlt_float_types.h)
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257 and used this types.
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258 Attention: This file must be adapted to each target platform.
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259 * Removed signal handlers from dlt_user.c; SIGPIPE signal is ignored; atexit() handler still exists
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260 * Function dlt_forward_msg() added
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262 * Small optimization in get_log_info() for one searched application with one searched context,
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263 which is existing in the context table of the dlt daemon
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264 * Optional syncing to serial header added
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265 * Support for keep-alive messages, realized as seperate thread
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267 * Combined dlt-test-user-multi and dlt-test-many to dlt-test-stress
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268 * Extended dlt-test-client
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269 * Added stress test3 to dlt-test-stress
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270 * Added help to dlt-test-stress, printed if no test was selected
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271 * Added dlt-test-internal
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272 * Removed plugin support from dlt_receive and dlt_convert
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273 * Extended documentation
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274 * dlt viewer (wx): Fixed minor bug, it's possible now to compile the dlt viewer (wx) again under mingw under Windows
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275 * DLT test programs: Fixed minor bug in dlt-test-user, test3f: Wrong counter was used
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276 * Removed DLT_LOG calls in injection functions due to problems (application hangs)
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281 * The default log level is now shown, if already known
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282 * Renamed Filter->New.. to Filter->Delete all filter
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283 * Enhanced performance
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285 * On crash or termination of application using the DLT library,
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286 the registered context and application IDs are removed properly
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287 (and are deregistered from DLT daemon)
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288 * dlt_register_context_ll_ts() and Macro therefore added
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289 * dlt_message_payload() has now additional type DLT_OUTPUT_ASCII_LIMITED
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290 * dlt_message_header_flags() added
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292 * Support for dlt_register_context_ll_ts() added
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293 * Enhanced support for get_log_info (all modes, 1 app all contexts, 1 app 1 context, all apps all contexts)
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294 * Added -r option, for automatic sending context information to dlt client; if no client connection is available,
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295 this information is stored in history buffer in dlt daemon
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296 * Several internal performance optimizations:
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297 * dlt_daemon_context_find(), dlt_daemon_application_find(): Now O(log n) instead O(n)
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298 * Several functions optimized
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299 * Unnecessary functions removed
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301 * Moved definition of struct DltUser from dlt_user_private.h to dlt_user.h
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302 * dlt.h includes now dlt_common.h
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303 * Extended dlt-test-user and dlt-test-client applications
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304 * DLT daemon/DLT library: Fixed bug in Filter Delete
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305 * DLT daemon: Fixed bug in dlt daemon which leads to a crash, when starting/stoping application, then sending
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306 new log level to context of this (now not running) application.
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307 * DLT daemon: Fixed bug in unregister application
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308 * DLT daemon: Fixed bug in reattach to daemon
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309 * DLT library: Fixed bug in send function
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310 * DLT viewer: Fixed bug in set default log level
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314 * License has changed from ADRLPD to ADRLRM
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316 * Support for non-verbose mode (as FIBEX plugin)
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318 * Support for non-verbose mode (as FIBEX plugin)
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319 * dlt_message_print_* functions added
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320 * Semaphore calls added to enable multi-threading
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321 * Changed injection interface from direct usage to callback
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322 * Requested log level and trace status is set immediately
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323 in dlt_set_application_ll_ts_limit()
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324 * Implemented receiver thread in DLT library
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325 (used for setting of log level/trace status and for injection handling)
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326 * Added signal-handler and atexit-handler for cleanup (calls dlt_free())
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328 * Added implementation of clientlib and testclient for Windows
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329 * Both adaptors sends now log messages with log level DLT_LOG_INFO
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330 * Multi-threading example in src/tests/dlt-test-user-multi added
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331 * DLT viewer: Right mouse button for loading plugin descriptions (MOST-/Fibex-XML File)
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332 is now working (also in Windows)
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333 * DLT library: Fixed bug in dlt_print_mixed_string()
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334 * DLT library: Fixed bug in dlt_daemon_contexts_get_next_con_id()
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335 * DLT daemon: dlt_daemon_process_user_message_unregister_application() also removes now
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336 all corresponding contexts
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337 * DLT daemon: Added security check to dlt_daemon_control_get_log_info() in order to avoid crash
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338 which occured under special circumstances
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339 * DLT daemon: Register app now opens the connection to the DLT library,
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340 unregister app closes the connection (was before in register context)
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341 * Added -lrt to package config file
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342 * Resolved dependency from dlt_client.h to dlt_common.h -> dlt_common.h is now public
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347 * Reduced load if idle
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348 * Modified behaviour of settings in dlt-viewer
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349 * Always open tmpfile in dlt-viewer if nothing other is specified
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350 * File->Clear added
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352 * Added several checks within code
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354 * Added several checks within code
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355 * Enhanced local print modes:
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356 a environment variable now can be used to control local print mode:
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357 Variable: DLT_LOCAL_PRINT_MODE
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358 Values : "AUTOMATIC" (local print only, if dlt-daemon connection is not
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359 available at startup of program using DLT library)
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360 "FORCE_ON" (always do local print)
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361 "FORCE_OFF" (never do local print)
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362 * A client library for writing console client applications (Linux) is now available.
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363 dlt-receiver and dlt-test-client uses this new library code
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365 * Added seperate file for DltMostMessageHeader type
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366 * Added seperate file for DLT protocol values
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367 * Relaxed checks for passing trace messages to plugin handler
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368 * Tested and improved MOST plugin
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369 * Support for float (32 Bit) and double (64 Bit) values
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370 * Code fragments for winclientlib and wintestclient added
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371 * DLT library: Fixed bug in DLT_IMPORT_CONTEXT
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372 * DLT library: Fixed bug in dlt_plugin_print() and dlt_most_payload()
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373 * DLT daemon and library: Fixed bug in handling of description strings
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374 * DLT viewer: Fixed bug in RMB Click for loading plugin description
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375 * General: Fixed parsing and printing of MOST messages
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376 * Several small bugs fixed
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381 * Showing timestamp
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382 * Compiles now with MS Visual C++
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383 * Support for loading multiple descriptions
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384 of plugins is now possible (*)
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385 * Plugin description can be loaded individually
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386 by Right-mouse-button (*)
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388 * Overflow message is now stored in history buffer,
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391 * Ring-buffer for injection messages implemented
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392 * History Buffer for Startup + Overflow implemented
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393 * Setting of maximum logged log level/trace status for
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394 application triggered by application is now possible
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395 * Optional local output of Log message is now possible
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397 * Support for ARTIS Box implemented (all, without GUI)
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398 * Support for timestamp in standardheader extras added
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399 * Support for ECU ID in standardheader extras added;
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400 this value can be overwritten by the DLT daemon
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402 * Store and load application and context description fixed
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403 * Fixed crash on termination of Windows version
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404 * DLT console utilities:
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405 * Fixed printing of filter ids
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407 * Big Endian/Little Endian support tested and fixed
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408 * Fixed writing and reading of locally created dlt files
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409 * Several smaller bugs fixed
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413 * Full support for serial connection between DLT daemon and DLT Viewer
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414 * Several small bugs fixed in DLT Viewer
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418 * Initial Release of new DLT daemon Version 2 including the new DLT Client DLT Viewer
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