C webserver like a chad

This commit is contained in:
Michael Thomson 2024-02-08 12:50:03 -05:00
parent a25eb1d730
commit 3f9fd95d2a
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36 changed files with 457 additions and 4501 deletions

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Dockerfile
.dockerignore
node_modules
npm-debug.log
README.md
.next
.git

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{
"extends": "next/core-web-vitals"
}

72
.gitignore vendored
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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# Prerequisites
*.d
# dependencies
/node_modules
/.pnp
.pnp.js
.yarn/install-state.gz
# Object files
*.o
*.ko
*.obj
*.elf
# testing
/coverage
# Linker output
*.ilk
*.map
*.exp
# next.js
/.next/
/out/
# Precompiled Headers
*.gch
*.pch
# production
/build
# Libraries
*.lib
*.a
*.la
*.lo
# misc
.DS_Store
*.pem
# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib
# debug
npm-debug.log*
yarn-debug.log*
yarn-error.log*
# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex
# local env files
.env*.local
# Debug files
*.dSYM/
*.su
*.idb
*.pdb
# vercel
.vercel
# typescript
*.tsbuildinfo
next-env.d.ts
# Kernel Module Compile Results
*.mod*
*.cmd
.tmp_versions/
modules.order
Module.symvers
Mkfile.old
dkms.conf

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404.html Normal file
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Not found

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FROM node:18-alpine AS base
# Install dependencies only when needed
FROM base AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat
WORKDIR /app
# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
RUN \
if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
elif [ -f package-lock.json ]; then npm ci; \
elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
else echo "Lockfile not found." && exit 1; \
fi
# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Next.js collects completely anonymous telemetry data about general usage.
# Learn more here: https://nextjs.org/telemetry
# Uncomment the following line in case you want to disable telemetry during the build.
# ENV NEXT_TELEMETRY_DISABLED 1
RUN yarn build
# If using npm comment out above and use below instead
# RUN npm run build
# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app
ENV NODE_ENV production
# Uncomment the following line in case you want to disable telemetry during runtime.
# ENV NEXT_TELEMETRY_DISABLED 1
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs
COPY --from=builder /app/public ./public
# Set the correct permission for prerender cache
RUN mkdir .next
RUN chown nextjs:nodejs .next
# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
USER nextjs
EXPOSE 3000
ENV PORT 3000
# set hostname to localhost
ENV HOSTNAME "0.0.0.0"
# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/next-config-js/output
CMD ["node", "server.js"]
FROM gcc:latest
WORKDIR /webserver
COPY . /webserver
RUN make clean
RUN make
CMD ["/webserver/server"]

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all: server
clean:
@rm -rf *.o
@rm -rf server
server: main.o server.o request.o header.o utils.o response.o
gcc -g3 -fsanitize=address,undefined -o server $^
main.o: main.c
gcc -g3 -fsanitize=address,undefined -c -o main.o main.c
server.o: server.c server.h
gcc -g3 -fsanitize=address,undefined -c -o server.o server.c
request.o: request.c request.h
gcc -g3 -fsanitize=address,undefined -c -o request.o request.c
response.o: response.c response.h
gcc -g3 -fsanitize=address,undefined -c -o response.o response.c
header.o: header.c header.h
gcc -g3 -fsanitize=address,undefined -c -o header.o header.c
utils.o: utils.c utils.h
gcc -g3 -fsanitize=address,undefined -c -o utils.o utils.c

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this is my site! yay! WORK
## Getting Started
First, run the development server:
```bash
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
```
Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
This project uses [`next/font`](https://nextjs.org/docs/basic-features/font-optimization) to automatically optimize and load Inter, a custom Google Font.
## Learn More
To learn more about Next.js, take a look at the following resources:
- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js/) - your feedback and contributions are welcome!
## Deploy on Vercel
The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
Check out our [Next.js deployment documentation](https://nextjs.org/docs/deployment) for more details.

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import { getAllPosts, getPostBySlug } from "@/lib/posts";
import { MDXRemote } from 'next-mdx-remote/rsc'
export async function generateStaticParams() {
const posts = getAllPosts(["slug"]);
return posts.map((post) => ({ slug: post.slug }));
}
export default async function Page({ params }: { params: { slug: string } }) {
const post = getPostBySlug(params.slug, ["title", "content"]);
return (
<MDXRemote
source={post.content}
/>
)
}

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@tailwind base;
@tailwind components;
@tailwind utilities;

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import type { Metadata } from 'next'
import { Inter } from 'next/font/google'
import './globals.css'
const inter = Inter({ subsets: ['latin'] })
export const metadata: Metadata = {
title: 'Michael Thomson',
description: '',
}
export default function RootLayout({
children,
}: {
children: React.ReactNode
}) {
return (
<html lang="en">
<body className={inter.className}>{children}</body>
</html>
)
}

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import { getAllPosts } from "@/lib/posts"
import Link from "next/link";
export default function Home() {
const pages = getAllPosts(["title", "slug"]);
return (
<main>
{pages.map(page => (
<Link href={`/blog/${page.slug}`} key={page.title}>
{page.title}
</Link>
))}
</main>
)
}

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<p>It works!</p>

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header.c Normal file
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#include "header.h"
struct Header header_constructor(char *key, char *value) {
struct Header header;
header.key = key;
header.value = value;
return header;
}

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#ifndef HEADER_H
#define HEADER_H
struct Header {
char *key;
char *value;
};
struct Header header_constructor(char *key, char *value);
#endif // !HEADER_H

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<div>
<script src="https://unpkg.com/htmx.org@1.9.10"></script>
<!-- have a button POST a click via AJAX -->
<button hx-post="/clicked" hx-swap="outerHTML">
Click Me
</button>
</div>

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import fs from "fs"
import { join } from "path"
import matter from 'gray-matter'
const postsDirectory = join(process.cwd(), "posts");
export function getPostSlugs() {
const fileNames = fs.readdirSync(postsDirectory);
return fileNames.map(filename => filename.replace(/\.mdx$/, ""))
}
export function getPostBySlug(slug: string, fields: string[] = []) {
const fullPath = join(postsDirectory, `${slug}.mdx`);
const fileContents = fs.readFileSync(fullPath, "utf8");
const { data, content } = matter(fileContents)
type Items = {
[key: string]: string;
}
const items: Items = {};
fields.forEach((field) => {
if (field === "slug") {
items[field] = slug;
} else if (field === "content") {
items[field] = content;
} else if (typeof data[field] !== undefined) {
items[field] = data[field];
}
});
return items;
}
export function getAllPosts(fields: string[] = []) {
const slugs = getPostSlugs();
const posts = slugs.map((slug) => getPostBySlug(slug, fields));
return posts;
}

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#include "server.h"
#include <stdlib.h>
int main(void) {
struct Server server = server_constructor("3000");
launch(&server);
return EXIT_SUCCESS;
}

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/** @type {import('next').NextConfig} */
const nextConfig = {
output: "standalone"
}
module.exports = nextConfig

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{
"name": "michaelthomson",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "next dev",
"build": "next build",
"start": "next start",
"lint": "next lint"
},
"dependencies": {
"gray-matter": "^4.0.3",
"next": "14.0.4",
"next-mdx-remote": "^4.4.1",
"react": "^18.2.0",
"react-dom": "^18.2.0",
"remark": "^15.0.1",
"remark-html": "^16.0.1"
},
"devDependencies": {
"@types/node": "^20",
"@types/react": "^18.2.8",
"@types/react-dom": "^18",
"autoprefixer": "^10.0.1",
"eslint": "^8",
"eslint-config-next": "14.0.4",
"postcss": "^8",
"tailwindcss": "^3.3.0",
"typescript": "^5.1.3"
}
}

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module.exports = {
plugins: {
tailwindcss: {},
autoprefixer: {},
},
}

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---
title: Test Post
---
# This is a test post

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#include "request.h"
#include "header.h"
#include "utils.h"
#include <stdio.h>
#include <string.h>
#define MAX_HEADER_NUM 128
struct Request request_constructor(char *raw_request) {
struct Request request;
request.method = strstrtok(raw_request, " ");
request.target = strstrtok(NULL, " ");
request.version = strstrtok(NULL, "\r\n");
char *raw_headers = strstrtok(NULL, "\r\n\r\n");
request.body = strstrtok(NULL, "\0");
int num_headers = 0;
struct Header headers[MAX_HEADER_NUM];
char *header_name = strstrtok(raw_headers, ": ");
if (header_name) {
char *header_value;
do {
header_value = strstrtok(NULL, "\r\n");
headers[num_headers++] = header_constructor(header_name, header_value);
} while ((header_name = strstrtok(NULL, ": ")));
}
request.num_headers = num_headers;
request.headers = headers;
return request;
}

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#ifndef REQUEST_H
#define REQUEST_H
#include "header.h"
struct Request {
char *method; // GET, POST, ...
char *target; // /, /blog, /blog/post1, ...
char *version; // HTTP/1.1
char *body;
int num_headers;
struct Header *headers;
};
struct Request request_constructor(char *raw_request);
#endif // !REQUEST_H

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#include "response.h"
#include "header.h"
#include <stdio.h>
#include <string.h>
#define MAX_BUFFER_SIZE 2048
struct Response response_constructor(char *version, char *status, char *body,
int num_headers, struct Header *headers) {
struct Response response;
response.version = version;
response.status = status;
response.body = body;
response.num_headers = num_headers;
response.headers = headers;
return response;
}
void response_to_string(char *buf, struct Response *response) {
char headers[MAX_BUFFER_SIZE];
for (int i = 0; i < response->num_headers; i++) {
strcat(headers, response->headers[i].key);
strcat(headers, ": ");
strcat(headers, response->headers[i].value);
strcat(headers, "\r\n");
}
snprintf(buf, MAX_BUFFER_SIZE, "%s %s\r\n%s\r\n%s", response->version,
response->status, headers, response->body);
}

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#ifndef RESPONSE_H
#define RESPONSE_H
#define OK "200 OK"
#define NOT_FOUND "404 Not Found"
#define INTERNAL_SERVER_ERROR "500 Internal Server Error"
struct Response {
char *version;
char *status;
char *body;
int num_headers;
struct Header *headers;
};
struct Response response_constructor(char *version, char *status, char *body,
int num_headers, struct Header *headers);
void response_to_string(char *buf, struct Response *response);
#endif // !RESPONSE_H

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#include <errno.h>
#include <netdb.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include "header.h"
#include "request.h"
#include "response.h"
#include "server.h"
#define MAX_BUFFER_SIZE 2048
#define MAX_HEADER_NUM 48
int sockfd;
struct Server server_constructor(char *PORT) {
struct Server server;
server.PORT = PORT;
return server;
}
void sigchld_handler(int s) {
// waitpid() might overwrite errno, so we save and restore it:
int saved_errno = errno;
while (waitpid(-1, NULL, WNOHANG) > 0)
;
errno = saved_errno;
}
static void start(const char *PORT) {
struct addrinfo hints, *res, *p;
memset(&hints, 0, sizeof hints);
hints.ai_family = PF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
int gairv;
if ((gairv = getaddrinfo(NULL, PORT, &hints, &res)) != 0) {
fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gairv));
exit(1);
}
for (p = res; p != NULL; p = p->ai_next) {
int yes = 1;
if ((sockfd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
perror("server: socket");
continue;
}
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1) {
perror("setsockopt");
continue;
}
if (bind(sockfd, p->ai_addr, p->ai_addrlen) == -1) {
perror("server: bind");
continue;
}
break;
}
freeaddrinfo(res);
if (p == NULL) {
fprintf(stderr, "server: failed to bind to any available socket");
exit(1);
}
if (listen(sockfd, BACKLOG) == -1) {
perror("server: listen");
exit(1);
}
struct sigaction sa;
sa.sa_handler = sigchld_handler; // reap all dead processes
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
if (sigaction(SIGCHLD, &sa, NULL) == -1) {
perror("sigaction");
exit(1);
}
}
size_t read_file(char *buf, char *filename) {
FILE *fptr = fopen(filename, "r");
// Calculate the content length
fseek(fptr, 0, SEEK_END);
size_t body_length = ftell(fptr);
rewind(fptr);
// Read in file
if (fread(buf, 1, body_length, fptr) == 0) {
fprintf(stderr, "fread: unable to read file contents");
exit(1);
}
buf[body_length] = '\0'; // terminate string
fclose(fptr);
return body_length;
}
void respond(int *client_fd) {
char buf[MAX_BUFFER_SIZE];
recv(*client_fd, buf, MAX_BUFFER_SIZE, 0);
struct Request request = request_constructor(buf);
printf("%s %s %s\n", request.method, request.target, request.version);
char *filename;
if (strcmp(request.target, "/") == 0) {
filename = "index.html";
} else if (strcmp(request.target, "/clicked") == 0) {
filename = "clicked.html";
} else {
filename = "404.html";
}
// read in file and get length
char *body = malloc(MAX_BUFFER_SIZE);
size_t body_length = read_file(body, filename);
// Create the Content-Length header
struct Header headers[MAX_HEADER_NUM];
char contentLength[MAX_BUFFER_SIZE];
snprintf(contentLength, sizeof(contentLength), "%zu", body_length);
headers[0] = header_constructor("Content-Length", contentLength);
// construct response
struct Response response =
response_constructor("HTTP/1.1", OK, body, 1, headers);
// send response string
char response_string[MAX_BUFFER_SIZE];
response_to_string(response_string, &response);
printf("%s", response_string);
if (send(*client_fd, response_string, strlen(response_string), 0) == -1) {
perror("send content");
exit(1);
}
free(body);
}
void launch(struct Server *server) {
struct sockaddr_storage client_addr;
socklen_t client_addr_len = sizeof client_addr;
start(server->PORT);
int client_fd;
while (1) {
if ((client_fd = accept(sockfd, (struct sockaddr *)&client_addr,
&client_addr_len)) == -1) {
perror("accept");
continue;
}
char name[INET6_ADDRSTRLEN];
char port[10];
getnameinfo((struct sockaddr *)&client_addr, client_addr_len, name,
sizeof(name), port, sizeof(port),
NI_NUMERICHOST | NI_NUMERICSERV);
printf("New connection from: %s:%s\n", name, port);
if (!fork()) {
close(sockfd);
respond(&client_fd);
close(client_fd);
exit(0);
}
close(client_fd); // parent doesnt need this
}
}

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#ifndef SERVER_H
#define SERVER_H
#include "header.h"
#define BACKLOG 1000
#define GET "GET";
#define POST "POST";
struct Route {
char *path;
char *method;
};
struct Server {
const char *PORT;
};
struct Server server_constructor(char *PORT);
void launch(struct Server *server);
#endif // !SERVER_H

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import type { Config } from 'tailwindcss'
const config: Config = {
content: [
'./pages/**/*.{js,ts,jsx,tsx,mdx}',
'./components/**/*.{js,ts,jsx,tsx,mdx}',
'./app/**/*.{js,ts,jsx,tsx,mdx}',
],
theme: {
extend: {
backgroundImage: {
'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
'gradient-conic':
'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))',
},
},
},
plugins: [],
}
export default config

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@ -1,27 +0,0 @@
{
"compilerOptions": {
"target": "es5",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "preserve",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./*"]
}
},
"include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
"exclude": ["node_modules"]
}

25
utils.c Normal file
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#include <string.h>
char *strstrtok(char *input, char *delim) {
static char *p;
if (input != NULL) {
p = input;
}
if (p == NULL) {
return p;
}
char *end = strstr(p, delim);
if (end == NULL) {
char *temp = p;
p = NULL;
return temp;
}
char *temp = p;
*end = '\0';
p = end + strlen(delim);
return temp;
}

7
utils.h Normal file
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#ifndef UTILS_H
#define UTILS_H
char *strstrtok(char *input, char *delim);
#endif // !UTILS_H