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Trace File Manager (TFM) - Using PHP and Oracle to manage your distributed trace files--------------------------------------------------------------------------------------Deployment InstructionsOracle Layer The Oracle JServer must be installed and exist in a valid state. Ensure that the directories specified in the parameters for USER_DUMP_DEST and BACKGROUND_DUMP_DEST are set up as utl_file_dir directives in the init.ora, eg utl_file_dir=myDB/oratrace/back utl_file_dir=myDB/oratrace/user Run all of the below mentioned scripts in any database whose trace files you want to view As SYS create a user account (TFMADMIN) See - tfmadmin_create.sql This account will be the repository for all of the Oracle objects used by the utility and will be responsible for retrieving information from the file system for presentation to the PHP layer. nb ! The supplied create script is for demo purposes only. You will need to specify a password and you may also want to assign alternative default and temporary tablespaces. create the external library call Windows - see extWindows.sql Linux - see extLinux.sql nb ! for unix it would be ; create or replace library systemcalls is ‘/lib/libc.so‘; / grant necessary database privileges to tfmadmin tfmAdmin_privs_and_syns.sql grant necessary java privileges to tfmadmin tfmAdmin_java_privs.sql if this fails with any spurious dbms_java errors then issue the statements manually, eg exec dbms_java.grant_permission (‘TFMADMIN‘, ‘SYS:java.io.FilePermission‘,‘your background_dump_dest‘, ‘read‘) exec dbms_java.grant_permission (‘TFMADMIN‘, ‘SYS:java.io.FilePermission‘,‘your user_dump_dest‘, ‘read‘) create a wrapper package for utl_file pk_utl_file.sql As TFMADMIN set up the tables, views and sequence tfmadmin_objects.sql create the controlling package pack_trace_file_manager.sqlJava Layer TraceFileDisplay.java you need to compile this and use loadjava to deploy it into the TFMADMIN account sample compilation & load - see javacomp.txt test the Java layer - RECOMMENDED I have seen occasions where the java security layer behaves unpredictably and this can result in the Trace File Display utility falsely reporting that there are no trace files in the trace directories. consequently it is a sensible idea to verify that your java layer is behaving as expected before you try starting up the utility as TFMADMIN, try this exec pack_trace_file_manager.pc_generate_file_list (‘BACKGROUND‘) if you get a "PL/SQL procedure completed successfully" then everything is OK if you get something like this ... * ERROR at line 1: ORA-29532: Java call terminated by uncaught Java exception: java.security.AccessControlException: th (java.io.FilePermission D:OCCdboratraceack read) has not been granted to TFMADMIN. The PL/SQL to dbms_java.grant_permission( ‘TFMADMIN‘, ‘SYS:java.io.FilePermission‘, ‘D:OCCdboratraceack‘, ‘rea ORA-06512: at "TFMADMIN.PACK_TRACE_FILE_DISPLAY", line 45 ORA-06512: at "TFMADMIN.PACK_TRACE_FILE_DISPLAY", line 135 ORA-06512: at line 1 then you will need to sort it out before you go any further. Firstly, check out Note:137280.1 on Metalink. If the error persists beyond the solution suggested here then try; as SYS grant JAVASYSPRIV, JAVAUSERPRIV to tfmadmin; If this does not help then you can always adopt the "Mit Kanonen auf Spatzen schie遝n" approach (Shooting sparrows with canons ...) ; exec dbms_java.grant_permission (‘TFMADMIN‘, ‘SYS:java.io.FilePermission‘,‘<>‘, ‘read‘); If that doesn‘t work then raise it with Oracle Support - there may well be a fundamental problem with your java layer.Apahe / PHP layer If you haven‘t already done so, deploy Apache and PHP in a centralised location. see http://otn.oracle.com/tech/opensource/php/apache/inst_php_apache_windows.html for a handy guide to deployment source code ; listTargets.php listFiles.php * retrieveTraceFile.php * tkprofDialog.php deleteFilesConfirmation.php * you may need to either remove or edit the YourDomain tag in here I found the easist way to make the oci connection work from a php source file was to specify the full connection string as it would appear in the tnsnames.ora - In our environment this included a domain name - what you do will depend on your personal environment ... configuration files user.conf - contains the username & password for db connections made to the TFMADMIN account from the php layer - edit as required targets.conf - contains a list of the connection details for the databases where TFMADMIN is deployed - edit as required cascading stylesheet - not supplied

目录OTN 光传送网（Optical Transport Network）总论OTN技术背景：一、OTN 概述：1.1、OTN设备的要点：1.2、OTN的特点：1.3、OTN做了以下几件事：1.3.1、电交叉——灵活调度1.3.2、光交叉——高速、光调度1.4、OTN的保护1.5、OTN的技术特征1.6、客户信号的处理过程：电信号处理1.7、OTN相对于SDH的主要改进二、OTU帧结构与速率：2.1、OTN帧三部分组成2.1.1、OTN帧中各个区域的列数：2.1.2、帧结构：2.2、OTN速率2.3 OTN

时常在Oracle上看到OTN许可，我之前不明白OTN许可是个什么样的许可，现将Oracle上对OTN许可的阐述转贴过来，供大家了解。 Oracle 技术网开发者许可条款(OTN License) 对软件程序的出口管制选中下面的“接受许可协议”按钮，即确认您同意现在以及在试用期间遵守以下各项条款： - 您不是古巴、伊朗、苏丹、利比亚、朝鲜、叙利亚或任何美国禁止向其出