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Umberto Nicoletti unicolet

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@unicolet
unicolet / langchain_tools.py
Created June 29, 2025 06:51
from langchain_core.prompts import ChatPromptTemplate
from langchain_anthropic import ChatAnthropic # or langchain_openai.ChatOpenAI
from langchain_core.tools import tool
from langchain_core.pydantic_v1 import BaseModel
# Define a tool using the @tool decorator
@tool
def multiply(x: int, y: int) -> int:
"""Multiply two integers."""
return x * y
@unicolet
unicolet / semgrep-curl-reset-without-lowspeed-time.yml
Created December 18, 2024 12:13
rules:
- id: curl-reset-without-lowspeed-time
languages:
- c
- cpp
severity: ERROR
message: curl_easy_reset() called without setting CURLOPT_LOW_SPEED_TIME
patterns:
- pattern: curl_easy_reset($CURLHANDLE);
- pattern-not-inside: |-
@unicolet
unicolet / go-tcp-echo-service.go
Last active November 14, 2024 09:07
package main
import (
"bufio"
"fmt"
"io"
"log"
"net"
"time"
"strconv"
@unicolet
unicolet / tcp_latency.py
Created November 4, 2024 07:28
import socket
import time
import statistics
import argparse
from typing import List, Tuple
def measure_tcp_latency(host: str, port: int, num_samples: int = 10, timeout: float = 2.0) -> List[float]:
"""
Measure TCP connection latency to a host:port.
@unicolet
unicolet / echo.go
Last active October 29, 2024 12:42
package main
import (
"bufio"
"fmt"
"io"
"log"
"net"
"time"
)
@unicolet
unicolet / idrac.py
Created September 1, 2020 11:00
Parse idrac logs and show the most relevant fields
import xml.etree.ElementTree as ET
import iso8601
tree = ET.parse('310TKQ2-log.xml')
root = tree.getroot()
for child in root:
timestamp = iso8601.parse_date(child.attrib["Timestamp"])
print("%s %s %s %s" % (timestamp, child.attrib["AgentID"], child.attrib["Severity"], child[0].text))
@unicolet
unicolet / wait_for_gh_ratelimit.py
Last active September 5, 2019 07:43
#!/usr/bin/python -u
import os
import sys
from datetime import datetime
import urllib2
import time
def get_gh_ratelimits(token):
@unicolet
unicolet / logstash_skip_inputs.rb
Last active August 7, 2019 18:56
def load_our_config(all=false)
files = Dir['conf.d/*.conf']
@@configuration = String.new
files.sort.each do |file|
if all
@@configuration << File.read(file)
elsif file !~ /output/ and file !~ /input/
@@configuration << File.read(file)
end
end
@unicolet
unicolet / logstash_spec.rb
Created August 7, 2019 18:39
# encoding: utf-8
require "logstash/devutils/rspec/spec_helper"
describe "filebeat-forwarded plain text log" do
files = Dir['conf.d/*.conf']
@@configuration = String.new
files.sort.each do |file|
@@configuration << File.read(file)
end
@unicolet
unicolet / envoy.grok
Created August 7, 2018 09:34
# envoy default log format:
# https://www.envoyproxy.io/docs/envoy/latest/configuration/access_log#config-access-log-default-format
#
# [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%"
# %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION%
# %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%"
# "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
#
ENVOY \[%{TIMESTAMP_ISO8601:timestamp}\] "%{DATA:method} %{DATA:original_path} %{DATA:protocol}" %{DATA:response_code} %{DATA:response_flags} %{NUMBER:bytes_rcvd} %{NUMBER:bytes_sent} %{NUMBER:duration} %{DATA:upstream_svc_time} "%{DATA:x-forwarded-for}" "%{DATA:useragent}" "%{DATA:request_id}" "%{DATA:authority}" "%{DATA:upstream_host}"