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cb07e3a8a3
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@@ -2,4 +2,3 @@ httpserver
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compile_commands.json
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bin/
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config.json
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.cache/
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@@ -3,6 +3,3 @@
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Final extra credit assignment for UCSC CSE130 Spring 2026.
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Build with `make` and run with `./httpserver <port>`.
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While I don't think it will come up, note that `assignment.pdf` is not mine and
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is *NOT* AGPL'ed. It is just here for easy access.
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@@ -0,0 +1,7 @@
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{
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"course": "CSE130-W26-BRANDT",
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"assignment": "extra_credit",
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"server": "http://lighthouse.soe.ucsc.edu",
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"user": "arosenb1@ucsc.edu",
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"pass": "05beb4aef80d919bdf992f1e3ec0c33e"
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}
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@@ -1,48 +1,11 @@
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/*
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* ##############
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* # Design Doc #
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* ##############
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* Design Doc:
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* The server is broken into the following files:
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* - main.c: Argument parsing and high-level control
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* - http.c: HTTP request parsing and response formatting
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* - server.c: Abstraction over sockets
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* - threadpool.c: Thread pool and woker queue implementation
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* - util.c: Misc. utility functions
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*
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* Parallelization:
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* I use a thread pool (implemented in threadpool.{h,c}) for parallelization. It
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* uses a job queue that allows threads to push tasks (functions and a datum) to
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* the queue and then distributes these tasks out to threads. It also makes sure
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* to take a cleanup function in case the queue is destroyed before a given task
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* is executed. Also, all the worker threads have a signal mask installed that
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* prevents them frow receiving any signals (except KILL, CONT, and STOP, of
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* course), so none of the tasks need to worry about such things.
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*
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* Abstraction:
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* All multithreading stuff is contained in threadpool.{h,c}. Other files don't
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* need to worry about what thread they are running on, they just need to ensure
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* their functions are multithread safe.
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*
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* All HTTP stuff is handled in http.{h,c}. This includes both parsing requests
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* and formatting responses. None of the other files do any major parsing, they
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* just call into http.c and its `HTTPRequest` and `HTTPResponse` objects for
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* that.
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*
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* Socket stuff is handled in server.{h,c}. The `Server` object contained in
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* this file is a thin wrapper around the POSIX sockets API.
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*
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* util.{h,c} has some wrappers around the `malloc` family of functions that
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* ensure that the application crashes "cleanly" if it is out of memory. As some
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* functions want to catch these kinds of errors, they aren't used everywhere.
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*
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* Argument parsing and the request-to-task flow is handled in main.c. This is
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* also where signal handling stuff is set up to ensure clean shutdown.
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*
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* Testing:
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* I tested the server using cURL and netcat. I used cURL to create various
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* kinds of syntactically valid requests. I used netcat (along with a text
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* editor) to create and send syntactically invalid requests (e.g. `nc
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* 127.0.0.1:8080 <test`).
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*/
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#include "http.h"
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#include "server.h"
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