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#! /bin/env bash
LOG_FILE_NAME="call_history_bash.csv"
if [[ ! -f "$LOG_FILE_NAME" ]]; then
# Creation of column names if the file does not exits
echo "student_id;active_students;endpoint;inputs;outputs;started;finished" >$LOG_FILE_NAME
fi
data_list_1() {
responses=(
"one hundred forty five"
"twenty thousand nine hundred fifty"
"one hundred forty five"
"nine hundred eighty three"
"five million"
)
echo "${responses[$1]}"
}
data_list_2() {
responses=(
"Totally agree"
"I like it"
"No more"
"I am not sure"
"Never"
)
echo "${responses[$1]}"
}
# endpoints: "text2int" "sentiment-analysis"
# selected endpoint to test
endpoint="sentiment-analysis"
create_random_delay() {
# creates a random delay for given arguments
echo "scale=8; $RANDOM/32768*$1" | bc
}
simulate_student() {
# Student simulator waits randomly between 0-10s after an interaction.
# Based on 100 interactions per student
for i in {1..100}; do
random_value=$((RANDOM % 5))
text=$(data_list_2 $random_value)
data='{"data": ["'$text'"]}'
start_=$(date +"%F %T.%6N")
url="https://tangibleai-mathtext-fastapi.hf.space/$3"
response=$(curl --silent --connect-timeout 30 --max-time 30 -X POST "$url" -H 'Content-Type: application/json' -d "$data")
if [[ "$response" == *"Time-out"* ]]; then
echo "$response" >>bad_response.txt
response="504 Gateway Time-out"
elif [[ -z "$response" ]]; then
echo "No response" >>bad_response.txt
response="504 Gateway Time-out"
fi
end_=$(date +"%F %T.%6N")
printf "%s;%s;%s;%s;%s;%s;%s\n" "$1" "$2" "$3" "$data" "$response" "$start_" "$end_" >>$LOG_FILE_NAME
sleep "$(create_random_delay 10)"
done
}
echo "start: $(date)"
active_students=250 # the number of students using the system at the same time
i=1
while [[ "$i" -le "$active_students" ]]; do
simulate_student "student$i" "$active_students" "$endpoint" &
sleep "$(create_random_delay 1)" # adding a random delay between students
i=$(("$i" + 1))
done
wait
echo "end: $(date)"
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