List of Listings

Chapter 1. The Erlang/OTP platform

Listing 1.1. Process communication in Erlang

Chapter 2. Erlang language essentials

Listing 2.1. my_module.erl

Listing 2.2. Don’t do this: length(List) traverses the whole list!

Listing 2.3. Do this: pattern match to check for nonempty lists

Listing 2.4. Checking for lists of various lengths using pattern matching

Chapter 3. Writing a TCP-based RPC service

Listing 3.1. Minimal gen_server behaviour implementation module

Listing 3.2. Full tr_server.erl header

Listing 3.3. API section of tr_server.erl

Listing 3.4. gen_server callback section for tr_server

Listing 3.5. handle_info/2, terminate/2, and code_change/3 callback functions

Listing 3.6. Internal functions

Chapter 4. OTP applications and supervision

Listing 4.1. Application metadata file: ebin/tcp_rpc.app

Listing 4.2. Application behaviour: src/tr_app.erl

Listing 4.3. Root supervisor implementation

Chapter 6. Implementing a caching system

Listing 6.1. src/sc_app.erl

Listing 6.2. src/sc_sup.erl

Listing 6.3. Header of src/sc_element.erl

Listing 6.4. API section of src/sc_element.erl

Listing 6.5. gen_server callback section of src/sc_element.erl

Listing 6.6. src/sc_store.erl

Listing 6.7. src/simple_cache.erl

Chapter 7. Logging and event handling the Erlang/OTP way

Listing 7.1. Error report example: die_please.erl

Listing 7.2. Non-OTP crash example: die_please2.erl

Listing 7.3. Custom logging plug-in module: custom_error_report.erl

Listing 7.4. Handling error_logger events