Sergey Lyubka cpq

## callbacks.c
// Task: user needs to set up a simple HTTP server

// Option 1
static void my_handler(struct ns_connection *nc, int ev, void *ev_data) {
  switch (ev) {
      case NS_HTTP_REQUEST:
         mg_printf(nc, "HTTP/1.0 200 OK\r\n\r\n  hi there!! ");
         nc->flags |= NSF_FINISHED_SENDING_DATA;  // Schedule connection close
         break;
      default:  // We can catch low-level events like NS_RECV, etc

## diagrams.adoc

      
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                cpq
                / diagrams.adoc
            
            
              Created
              November 29, 2014 08:25
            
              
                asciidoc diagrams
              
          
Graphviz


digraph g {
    a -> b
    b -> c
    c -> d
    d -> a
}


## producer_consumer.c
struct task {
  socket_t accepted_socket;
};

struct queue {
  struct task tasks[NUM_WORKER_THREADS];
  int num_tasks;
  pthread_mutex_t mutex;
  pthread_cond_t condvar;
};

## restore_mac_trash.pl
#!/usr/bin/env perl

# Copyright (c) 2015 Sergey Lyubka
# All rights reserved

use Encode;

my $dir = "/Users/$ENV{USER}/.Trash";

sub read_file($) { local $/; open FD, $_[0] or die $_[0]; binmode FD; <FD>; }

## dash_editor.md

      
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              Last active
              August 29, 2015 17:25
            
              
                Dashboard editor
              
          
    DASHBOARD EDITOR

Overview

Smart.js IoT platform provides two components for building private
smart device infrastructures:

Firmware for the embedded devices, which is capable of harvesting


## ghstars.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <title>GitHub Stars</title>
</head>
<body>
  hi
</body>
</html>

## overflow.c
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>

#define LISTENING_PORT 8000

static void serve_new_connection(FILE *fp) {
  char method[10], uri[100], protocol[20];

## mess.c
// $ cc -W -Wall  ~/tmp/mess.c && ./a.out
// {"a": 9, "c": "i am bar", "d": [{"a": 3, "b": null}, {"a": 7, "b": "oops"}]}

#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include "mess.h"

#define STRUCT_NAME foo
#define STRUCT_FIELDS ATTR(int, a) ATTR(char *, b)

## package.json
{
  "name": "web_server",
  "description": "web server skeleton",
  "version": "1.0.0",
  "private": false,
  "dependencies": {
    "express": "3.x",
    "sqlite3": "*",
    "minimist": "*",
    "supervisor": "*",

## ws.js
var reconnect = function() {
  var url = 'ws://' + location.host + '/ws';
  ws = new WebSocket(url);
  ws.onopen = function(ev) { console.log(ev); };
  ws.onclose = function(ev) { console.log(ev); setTimeout(reconnect, 1000); };
  ws.onmessage = function(ev) { console.log('message', ev); };
  ws.onerror = function(ev) { console.log('error', ev); ws.close(); };
};
	// Task: user needs to set up a simple HTTP server

	// Option 1
	static void my_handler(struct ns_connection nc, int ev, void ev_data) {
	switch (ev) {
	case NS_HTTP_REQUEST:
	mg_printf(nc, "HTTP/1.0 200 OK\r\n\r\n hi there!! ");
	nc->flags \|= NSF_FINISHED_SENDING_DATA; // Schedule connection close
	break;
	default: // We can catch low-level events like NS_RECV, etc
	struct task {
	socket_t accepted_socket;
	};

	struct queue {
	struct task tasks[NUM_WORKER_THREADS];
	int num_tasks;
	pthread_mutex_t mutex;
	pthread_cond_t condvar;
	};
	#!/usr/bin/env perl

	# Copyright (c) 2015 Sergey Lyubka
	# All rights reserved

	use Encode;

	my $dir = "/Users/$ENV{USER}/.Trash";

	sub read_file($) { local $/; open FD, $_[0] or die $_[0]; binmode FD; <FD>; }
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8" />
	<title>GitHub Stars</title>
	</head>
	<body>
	hi
	</body>
	</html>
	#include <stdio.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <sys/socket.h>
	#include <netinet/in.h>

	#define LISTENING_PORT 8000

	static void serve_new_connection(FILE *fp) {
	char method[10], uri[100], protocol[20];
	// $ cc -W -Wall ~/tmp/mess.c && ./a.out
	// {"a": 9, "c": "i am bar", "d": [{"a": 3, "b": null}, {"a": 7, "b": "oops"}]}

	#include <stdio.h>
	#include <stddef.h>
	#include <string.h>
	#include "mess.h"

	#define STRUCT_NAME foo
	#define STRUCT_FIELDS ATTR(int, a) ATTR(char *, b)
	{
	"name": "web_server",
	"description": "web server skeleton",
	"version": "1.0.0",
	"private": false,
	"dependencies": {
	"express": "3.x",
	"sqlite3": "*",
	"minimist": "*",
	"supervisor": "*",
	var reconnect = function() {
	var url = 'ws://' + location.host + '/ws';
	ws = new WebSocket(url);
	ws.onopen = function(ev) { console.log(ev); };
	ws.onclose = function(ev) { console.log(ev); setTimeout(reconnect, 1000); };
	ws.onmessage = function(ev) { console.log('message', ev); };
	ws.onerror = function(ev) { console.log('error', ev); ws.close(); };
	};