LoadRunner performance Test-download File script

Loadrunner Download File Script

Action()

{

intflen; //define an integer variable to hold the file size

longfiles; //save file handles

charfile[256]="\0"; //Save file path and file name

inttime ;

//Set the maximum number of bytes the page receives, which should be larger than the size of the download file, here 1MB

web_set_max_html_param_len("1024000");

//Use the correlation function to get the content of the downloaded file

web_reg_save_param_ex(

"ParamName=filecontent",

"LB=",

"RB=",

SEARCH_FILTERS,

"Scope=Body",

"RequestUrl=http://10.255.0.145/download.php? userId={userID}&bigmd5={userID}&offset=0",

LAST);

//download file

lr_start_transaction("download");

web_url("download",

"URL=http://10.255.0.145/download.php? userId={userID}&bigmd5={userID}&offset=0",

Resource=1",

"RecContentType=application/octet-stream",

"Referer=",

LAST);

lr_end_transaction("download",LR_AUTO);

/*web_get_int_property Returns the specific information of the previous http request, such as HTTP_INFO_DOWNLOAD_SIZE, HTTP_INFO_DOWNLOAD_TIME , HTTP_INFO_RETURN_CODE */

flen=web_get_int_property(HTTP_INFO_DOWNLOAD_SIZE);

lr_output_message("download file size is:%d",flen);

time=web_get_int_property(HTTP_INFO_DOWNLOAD_TIME);

lr_output_message("download time is:%d",time);

//Write the string "E:\\FSDownload\\%d.txt" to file

sprintf(file,"E:\\FSDownload\\%d.txt",rand());

lr_output_message("saved path:%s",file);

if(flen> 0){

if((filedes= fopen(file,"wb")) == NULL){

lr_output_message("OpenFile Failed! ", lr_eval_string("{filecontent}"));

return-1;

}

//write filecontent to the file pointed to by the files pointer, write flen once at a time

fwrite(lr_eval_string("{filecontent}"),flen,1,filedes);

fclose(filedes );

}

return0;

}