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✨ Examples

Ddosify Engine supports cookies. If the engine mode is distict-user or repeated-user the engine will store the cookies in a cookie jar and use them in the next request. If the engine mode is ddosify which is default, the engine will not use the cookies in the cookie jar. You can enable and disable custom / initial cookies with enabled key in the cookie_jar section of the config file. See Cookies for more information.

  1. Create a Ddosify configuration file called: config.json
{
  "iteration_count": 100,
  "load_type": "waved",
  "engine_mode": "distinct-user",
  "duration": 5,
  "steps": [
    {
      "id": 1,
      "name": "Get Servers",
      "url": "https://app.servdown.com/servers/",
      "method": "GET",
      "timeout": 10,
      "others": {},
      "capture_env": {
        "CSRFTOKEN": { "from": "cookies", "cookie_name": "csrftoken" }
      }
    },
    {
      "id": 2,
      "name": "Login",
      "url": "https://app.servdown.com/accounts/login/?next=/",
      "method": "POST",
      "timeout": 10,
      "headers": {
        "Content-Type": "application/x-www-form-urlencoded"
      },
      "payload": "email=user@gmail.com&password=PasssChange&csrfmiddlewaretoken={{CSRFTOKEN}}",
      "others": {
        "disable-redirect": false
      }
    }
  ],
  "output": "stdout",
  "cookie_jar": {
    "enabled": true,
    "cookies": [
      {
        "name": "platform",
        "value": "web",
        "domain": "httpbin.ddosify.com",
        "path": "/",
        "expires": "Thu, 16 Mar 2023 09:24:02 GMT",
        "http_only": true,
        "secure": false
      }
    ]
  }
}
  1. Run the engine with the following command:
ddosify -config config.json --debug

In the first step we are getting the CSRF token from the server response cookie and storing it in the environment variable CSRFTOKEN.

In the second step we are using the CSRFTOKEN variable to replace the CSRF token in the payload. In this example, we are using x-www-form-urlencoded as the content type, so the we set email, password and csrfmiddlewaretoken fields in the payload. The csrfmiddlewaretoken field is replaced with the CSRFTOKEN captured variable.

We also set an initial cookie (platform) in the cookie_jar section of the config file. The engine will also store the cookies in the cookie jar and use them in the requests.

Example 2: Success Criteria​

Ddosify engine supports success criteria. You can set a success criteria for the entire test based on server or assertion errors. If the success criteria is not met the engine will stop the test based on abort and delay keywords. If you set abort to true the engine will stop the test immediately after delay seconds. If you set abort to false the engine will not stop the test. See Success Criteria for more information.

  1. Create a Ddosify configuration file called: config.json
{
  "iteration_count": 20,
  "debug": false,
  "load_type": "linear",
  "duration": 2,
  "output": "stdout",
  "success_criterias": [
    {
      "rule": "fail_count < 5",
      "abort": false,
      "delay": 0
    },
    {
      "rule": "fail_count_perc < 0.1",
      "abort": true,
      "delay": 1
    },
    {
      "rule": "p90(iteration_duration) < 220",
      "abort": false
    }
  ],
  "steps": [
    {
      "id": 1,
      "url": "https://httpbin.ddosify.com/json",
      "method": "GET",
      "timeout": 5,
      "assertion": [
        "equals(status_code, 201)",
        "equals(json_path(\"quoteResponse.result.0.ask\"), 130.74)"
      ]
    },
    {
      "id": 2,
      "url": "https://httpbin.ddosify.com/status/500",
      "method": "GET",
      "timeout": 5,
      "assertion": [
        "in(status_code, [413,403])",
        "less_than(response_time, 100)"
      ]
    }
  ]
}
  1. Run the engine with the following command:
ddosify -config config.json
Example Output
⚙️  Initializing... 
🔥 Engine fired.

🛑 CTRL+C to gracefully stop.
✔️ Successful Run: 0 0% ❌ Failed Run: 12 100% ⏱️ Avg. Duration: 0.00000s
✔️ Successful Run: 0 0% ❌ Failed Run: 20 100% ⏱️ Avg. Duration: 0.00000s

## RESULT

1. Step 1

---

Success Count: 0 (0%)
Failed Count: 20 (100%)

Durations (Avg):
DNS :0.0029s
Connection :0.0389s
TLS :0.0269s
Request Write :0.0000s
Server Processing :0.1304s
Response Read :0.0001s
Total :0.1992s

Status Code (Message) :Count
200 (OK) :20

Assertion Error Distribution:
Condition: equals(status_code, 201)
Fail Count: 20
Received:
equals(status_code,201) : [false]
status_code : [200]
Reason: expression evaluated to false

2. Step 2

---

Success Count: 0 (0%)
Failed Count: 20 (100%)

Durations (Avg):
DNS :0.0016s
Connection :0.0578s
TLS :0.0470s
Request Write :0.0000s
Server Processing :0.1297s
Response Read :0.0000s
Total :0.2361s

Status Code (Message) :Count
500 (Internal Server Error) :20

Assertion Error Distribution:
Condition: in(status_code, [413,403])
Fail Count: 20
Received:
status_code : [500]
in(status_code,[413,403]) : [false]
Reason: expression evaluated to false

    Condition: less_than(response_time, 100)
        Fail Count: 20
        Received:
             less_than(response_time,100) : [false]
             response_time : [397 392 399 129 130]
        Reason: expression evaluated to false

Test Status: Failed

Rule: fail_count < 5
Received:
fail_count: 20

Rule: fail_count_perc < 0.1
Received:
fail_count_perc: 1

Rule: p90(iteration_duration) < 220
Received:
iteration_duration: [257 258 258 258 259 259 260 260 261 262 263 388 390 526 654 662 793 795 800 822]
p90(iteration_duration): 795
exit status 1

In this example, we are using the fail_count, fail_count_perc and p90(iteration_duration) success criteria. The engine will stop the test if any of the success criteria is not met. In this example, the engine will stop the test because the fail_count is 20 which is greater than 5, fail_count_perc is 1 which is greater than 0.1 and p90(iteration_duration) is 795 which is greater than 220.