From: Charles McGarvey <cmcgarvey@bluehost.com>
Date: Sun, 17 Jun 2018 23:17:06 +0000 (-0600)
Subject: add reactor usage example
X-Git-Url: https://git.dogcows.com/gitweb?a=commitdiff_plain;h=e9a895bf42ef9b706aba2d2770ae61dad28ea9a4;p=chaz%2Ftalk-event-driven-programming-in-perl

add reactor usage example
---

diff --git a/css/common.css b/css/common.css
index 525370d..8689442 100644
--- a/css/common.css
+++ b/css/common.css
@@ -94,6 +94,9 @@
 .big {
     font-size: 150%;
 }
+.small {
+    font-size: 50%;
+}
 
 .remark-code-line-highlighted {
     background-color: rgba(200,200,255,.25);
diff --git a/css/slides.css b/css/slides.css
index e32cb10..eb366c3 100644
--- a/css/slides.css
+++ b/css/slides.css
@@ -44,7 +44,11 @@
     font-size: 34px;
 }
 
-.ex-basicreactor .perl {
+.ex-basicreactor1 .perl {
+    font-size: 36px;
+}
+
+.ex-basicreactor2 .perl {
     font-size: 38px;
 }
 
diff --git a/img/helpdesk.jpg b/img/helpdesk.jpg
new file mode 100644
index 0000000..ecfb881
Binary files /dev/null and b/img/helpdesk.jpg differ
diff --git a/slides.html b/slides.html
index 51f9101..8904bd2 100644
--- a/slides.html
+++ b/slides.html
@@ -70,6 +70,16 @@ At it's core, event-driven programming is this simple.
 
 But there are some complications and things to knows, which is why this talk exists.
 
+---
+class: center, middle
+
+![Help desk](img/helpdesk.jpg)
+
+.small[
+Image by Soniachat8.
+This image is licensed under the [Creative Commons Attribution-Share Alike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/deed.en) license.
+]
+
 ---
 name:  graph-eventloop
 class: center, middle
@@ -378,9 +388,13 @@ class: syscalls
 - [`clock_gettime`](http://man.he.net/man2/clock_gettime) - What time is it now?
 
 ---
+class: center, middle
 
 ## Reactor pattern
 
+---
+## Reactor pattern
+
 .big[
 - Queues events asynchronously.
 - Demultiplexes and dispatches synchronously.
@@ -395,9 +409,26 @@ class: center, middle
 ![Reactor](img/reactor.svg)
 
 ---
-class: ex-basicreactor
+class: ex-basicreactor1
 
-## The basic reactor
+## Using a reactor
+
+```perl
+my $reactor = My::Reactor->new;
+
+# Set up event handlers
+$reactor->slurp_file($filepath, \&handle_slurp_event);
+$reactor->timer(5, \&handle_timer_event);
+$reactor->listen($socket, \&handle_new_connect_event);
+...
+
+$reactor->run_loop;
+```
+
+---
+class: ex-basicreactor2
+
+## The basic reactor implementation
 
 ```perl
 our $timers     = [...];
@@ -414,9 +445,9 @@ while (1) {
 ```
 
 ---
-class: ex-basicreactor
+class: ex-basicreactor2
 
-## The basic reactor
+## The basic reactor implementation
 
 ```perl
 our $timers     = [...];
@@ -445,6 +476,10 @@ while (1) {
 - [`Mojo::Reactor::Poll`](https://metacpan.org/source/Mojo::Reactor::Poll)
 ]
 
+???
+These links, which will be available to you with the slides, link directly to the source code of these modules on
+metacpan so you can take a look at how they work.
+
 ---
 name:  not-all-roses
 class: center, middle