使用LR的lr_user_data_point函数
// This script collects server metrics from the Tomcat Status page (http://127.0.0.1:8080/manager/status).
// Runtime settings are set to run this script once every 5 seconds.
double atof (const char *string); /* Explicit declaration */
extern char* strtok(char *token, const char *delimiter);
CollectMetrics()
{
int countP, countS, countF, countR, countK;
int numValues;
static int loggedVersionInfo = FALSE;
lr_save_string("127.0.0.1:8080", "ServerName");
web_set_max_html_param_len("102480"); // 65536 Note: this may need to be increased.
web_set_user("admin",
"123456",
"{ServerName}");
lr_start_transaction("monitor tomcat");
/*
<h1>JVM</h1><p> Free memory: 130.99 MB Total memory: 254.18 MB Max memory: 1016.12 MB</p>
*/
web_reg_save_param("JVMFreeMemory",
"LB=Free memory: ",
"RB= MB",
"Ord=1",
LAST);
web_reg_save_param("JVMTotalMemory",
"LB=Total memory: ",
"RB= MB",
"Ord=1",
LAST);
web_reg_save_param("JVMMaxMemory",
"LB=Max memory: ",
"RB= MB",
"Ord=1",
LAST);
/*
<h1>http-8080</h1><p> Max threads: 150 Min spare threads: 25 Max spare threads: 75 Current
thread count: 25 Current thread busy: 2<br>
Max processing time: 78 ms Processing time: 0.124 s
Request count: 11 Error count: 3 Bytes received: 0.00 MB Bytes sent: 0.03 MB</p>
*/
web_reg_save_param("HTTPMaxThreads",
"LB=Max threads: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPMinSpareThreads",
"LB=Min spare threads: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPMaxSpareThreads",
"LB=Max spare threads: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPCurrentSpareThreads",
"LB=Current thread count: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPCurrentThreadBusy",
"LB=Current thread busy: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPMaxProcessingTime",
"LB=Max processing time: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPRequestCount",
"LB=Request count: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPErrorCount",
"LB=Error count: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPBytesReceived",
"LB=Bytes received: ",
"RB= ",
"Ord=1",
LAST);
web_reg_save_param("HTTPBytesSent",
"LB=Bytes sent: ",
"RB= ",
"Ord=1",
LAST);
/*
<h1>jk-8009</h1><p> Max threads: 200 Min spare threads: 4 Max spare threads: 50 Current thread count: 8 Current thread busy: 6
<br> Max processing time: 8031 ms Processing time: 199.1 s Request count: 11279 Error count: 426 Bytes received: 0.00 MB Bytes sent: 100.88 MB</p>
*/
web_reg_save_param("JKMaxThreads",
"LB=Max threads: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKMinSpareThreads",
"LB=Min spare threads: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKMaxSpareThreads",
"LB=Max spare threads: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKCurrentSpareThreads",
"LB=Current thread count: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKCurrentThreadBusy",
"LB=Current thread busy: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKMaxProcessingTime",
"LB=Max processing time: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKRequestCount",
"LB=Request count: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKErrorCount",
"LB=Error count: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKBytesReceived",
"LB=Bytes received: ",
"RB= ",
"Ord=2",
LAST);
web_reg_save_param("JKBytesSent",
"LB=Bytes sent: ",
"RB= ",
"Ord=2",
LAST);
// Version Information
/*
<table border="1" cellspacing="0" cellpadding="3">
<tr>
<td colspan="6" class="title">Server Information</td>
</tr>
<tr>
<td class="header-center"><small>Tomcat Version</small></td>
<td class="header-center"><small>JVM Version</small></td>
<td class="header-center"><small>JVM Vendor</small></td>
<td class="header-center"><small>OS Name</small></td>
<td class="header-center"><small>OS Version</small></td>
<td class="header-center"><small>OS Architecture</small></td>
</tr>
<tr>
<td class="row-center"><small>Apache Tomcat/5.5.23</small></td>
<td class="row-center"><small>1.5.0_15-b04</small></td>
<td class="row-center"><small>Sun Microsystems Inc.</small></td>
<td class="row-center"><small>Windows 2003</small></td>
<td class="row-center"><small>5.2</small></td>
<td class="row-center"><small>x86</small></td>
</tr>
</table>
*/
web_reg_save_param("ServerTomcatVersion",
"LB=<td class=\"row-center\"><small>",
"RB=</small></td>",
"Ord=1",
LAST);
web_reg_save_param("ServerJVMVersion",
"LB=<td class=\"row-center\"><small>",
"RB=</small></td>",
"Ord=2",
LAST);
web_reg_save_param("ServerJVMVendor",
"LB=<td class=\"row-center\"><small>",
"RB=</small></td>",
"Ord=3",
LAST);
web_reg_save_param("ServerOSName",
"LB=<td class=\"row-center\"><small>",
"RB=</small></td>",
"Ord=4",
LAST);
web_reg_save_param("ServerOSVersione",
"LB=<td class=\"row-center\"><small>",
"RB=</small></td>",
"Ord=5",
LAST);
web_reg_save_param("ServerOSArchitecture",
"LB=<td class=\"row-center\"><small>",
"RB=</small></td>",
"Ord=6",
LAST);
/*
// Determine number of threads in each state.
// P: Parse and prepare request S: Service F: Finishing R: Ready K: Keepalive
web_reg_save_param("StageTable",
"LB=<table border=\"0\"><tr><th>Stage</th><th>Time</th><th>B Sent</th><th>B Recv</th><th>Client</th><th>VHost</th><th>Request</th></tr>", //<tr><th>Stage", //</th><th>Time</th><th>B Sent</th><th>B Recv</th><th>Client</th><th>VHost</th><th>Request</th></tr><tr>",
"RB=</table>",
"Ord=All", // note that there should only be 2 tables in this test environment.
LAST);
*/
web_reg_find("Text=/manager",
LAST);
web_url("status",
"URL=http://{ServerName}/manager/status",
"Resource=0",
"RecContentType=text/html",
"Referer=",
"Snapshot=t1.inf",
"Mode=HTTP",
LAST);
lr_end_transaction("monitor tomcat", LR_AUTO);
// Tomcat JVM metrics
lr_user_data_point("Tomcat JVM Free memory", atof(lr_eval_string("{JVMFreeMemory}")));
lr_user_data_point("Tomcat JVM Total memory", atof(lr_eval_string("{JVMTotalMemory}")));
lr_user_data_point("Tomcat JVM Max memory", atof(lr_eval_string("{JVMMaxMemory}")));
// Tomcat web server metrics
lr_user_data_point("Tomcat HTTP Max threads", atof(lr_eval_string("{HTTPMaxThreads}")));
//lr_user_data_point("Tomcat HTTP Min spare threads", atof(lr_eval_string("{HTTPMinSpareThreads}")));
//lr_user_data_point("Tomcat HTTP Max spare threads", atof(lr_eval_string("{HTTPMaxSpareThreads}")));
lr_user_data_point("Tomcat HTTP Current spare threads", atof(lr_eval_string("{HTTPCurrentSpareThreads}")));
lr_user_data_point("Tomcat HTTP Current thread busy", atof(lr_eval_string("{HTTPCurrentThreadBusy}")));
lr_user_data_point("Tomcat HTTP Max processing time", atof(lr_eval_string("{HTTPMaxProcessingTime}")));
lr_user_data_point("Tomcat HTTP Request count", atof(lr_eval_string("{HTTPRequestCount}")));
lr_user_data_point("Tomcat HTTP Error count", atof(lr_eval_string("{HTTPErrorCount}")));
lr_user_data_point("Tomcat HTTP Bytes received", atof(lr_eval_string("{HTTPBytesReceived}")));
lr_user_data_point("Tomcat HTTP Bytes sent", atof(lr_eval_string("{HTTPBytesSent}")));
// Tomcat servlet container metrics
lr_user_data_point("Tomcat JK Max threads", atof(lr_eval_string("{JKMaxThreads}")));
lr_user_data_point("Tomcat JK Min spare threads", atof(lr_eval_string("{JKMinSpareThreads}")));
lr_user_data_point("Tomcat JK Max spare threads", atof(lr_eval_string("{JKMaxSpareThreads}")));
lr_user_data_point("Tomcat JK Current spare threads", atof(lr_eval_string("{JKCurrentSpareThreads}")));
lr_user_data_point("Tomcat JK Current thread busy", atof(lr_eval_string("{JKCurrentThreadBusy}")));
lr_user_data_point("Tomcat JK Max processing time", atof(lr_eval_string("{JKMaxProcessingTime}")));
lr_user_data_point("Tomcat JK Request count", atof(lr_eval_string("{JKRequestCount}")));
lr_user_data_point("Tomcat JK Error count", atof(lr_eval_string("{JKErrorCount}")));
lr_user_data_point("Tomcat JK Bytes received", atof(lr_eval_string("{JKBytesReceived}")));
lr_user_data_point("Tomcat JK Bytes sent", atof(lr_eval_string("{JKBytesSent}")));
// Determine number of threads in each state.
// Note that there is some complexity in doing this (see code below)...
// P: Parse and prepare request S: Service F: Finishing R: Ready K: Keepalive
if (strcmp(lr_eval_string("{StageTable_count}"), "2") != 0) { // Verify that there are only two tables.
lr_error_message("Monitoring script expected 2 tables of thread metrics, but instead found %s", lr_eval_string("{StageTable_count}"));
} else { // extract the P, S, F, R, and K values from both the tables.
// check that there are only 2 tables. Raise an error if there is not...
//lr_save_searched_string(const char *buffer, long buf_size, unsigned int occurrence, const char *search_string, int offset, unsigned int string_len, const char *parm_name );
// maybe should use strtok for this.
//strtok
// lr_xml_get_values
lr_output_message("%s", lr_eval_string("{StageTable_1}"));
numValues= lr_xml_get_values("XML={StageTable_1}",
"ValueParam=OutputParam",
"Query=/tr/td/strong/*",
"SelectAll=yes", LAST);
}
// Log Tomcat/JVM version info on the first iteration only.
if (loggedVersionInfo != TRUE) {
lr_log_message("****** Test Environment Information ******");
lr_log_message("%s", lr_eval_string("Tomcat: {ServerTomcatVersion}"));
lr_log_message("%s", lr_eval_string("JVM: {ServerJVMVersion} {ServerJVMVendor}"));
lr_log_message("%s", lr_eval_string("Operating System: {ServerOSName} {ServerOSVersione} {ServerOSArchitecture}"));
lr_log_message("******************************************");
loggedVersionInfo = TRUE;
}
return 0;
}
