updates for 2nd video

This commit is contained in:
2026-06-02 08:52:15 -04:00
parent f4925dd158
commit 311dc687af
25 changed files with 210 additions and 62 deletions
+2
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build/
out/
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// "target": "windows-x64",
// Targets.
"targets": {
"c3hat": {
"client": {
// Executable or library.
"type": "executable",
// Additional libraries, sources
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module client;
import std::net;
import std::io;
const uint BUFFER_SIZE = 4096;
fn void? sendMsg(String url, uint port, String msg) {
TcpSocket socket = tcp::connect(url, port)!;
int pos = 0;
while (try sent = socket.write(msg[pos:msg.len])) {
if (sent == 0) break;
pos += (int)sent;
if (sent >= msg.len) break;
}
char[BUFFER_SIZE] buffer;
usz recv = socket.read(&buffer)!;
io::printfn("%s", (String)buffer[:recv]);
}
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module client;
import std::io;
fn int main(String[] args) {
if (args.len < 4) {
io::printn("error: not enough arguments");
io::printfn("usage: %s <host> <port> <msg>", args[0]);
return -1;
}
String host = args[1];
uint? port = args[2].to_uint();
if (catch err = port) {
io::printfn("couldn't convert %s to a port", args[2]);
return -1;
}
String msg = args[3];
sendMsg(host, port, msg)!!;
return 0;
}
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build/
out/
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{
// Language version of C3.
"langrev": "1",
// Warnings used for all targets.
"warnings": [ "no-unused" ],
// Directories where C3 library files may be found.
"dependency-search-paths": [ "lib" ],
// Libraries to use for all targets.
"dependencies": [ ],
// Authors, optionally with email.
"authors": [ "John Doe <john.doe@example.com>" ],
// Version using semantic versioning.
"version": "0.1.0",
// Sources compiled for all targets.
"sources": [ "src/**" ],
// Test sources compiled for all targets.
"test-sources": [ "test/**" ],
// C sources if the project also compiles C sources
// relative to the project file.
// "c-sources": [ "csource/**" ],
// Include directories for C sources relative to the project file.
// "c-include-dirs": [ "csource/include" ],
// Build location, relative to project file.
"build-dir": "build",
// Output location, relative to project file.
"output": "build",
// Architecture and OS target.
// You can use 'c3c --list-targets' to list all valid targets.
// "target": "windows-x64",
// Targets.
"targets": {
"server": {
// Executable or library.
"type": "executable",
// Additional libraries, sources
// and overrides of global settings here.
},
},
// Global settings.
// CPU name, used for optimizations in the LLVM backend.
"cpu": "generic",
// Optimization: "O0", "O1", "O2", "O3", "O4", "O5", "Os", "Oz".
"opt": "O0"
// See resources/examples/project_all_settings.json and 'c3c --list-project-properties' to see more properties.
}
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module server;
import std::io;
import std::net;
import std::collections;
fn int main(String[] args) {
String host = "localhost";
uint port = 9500;
uint backlog = 100;
startServer(host, port, backlog)!!;
return 0;
}
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module server;
import std::io;
import std::net;
import std::collections;
import std::thread::pool;
const int BUFFSIZE = 4096;
const int THREAD_COUNT = 100;
fn void? startServer(String host, uint port, uint backlog=20) {
bool shouldQuit = false;
TcpServerSocket? server = tcp::listen(
host, port, backlog,
SocketOption.REUSEADDR,
ip_protocol: IpProtocol.IPV4);
if (catch err = server) {
io::printfn("unable to create server socket %s", err);
return;
}
defer {
if (catch err = server.close()) {
io::printfn("error closing socket %s", err);
}
}
ThreadPool{THREAD_COUNT} workerPool;
if (catch err = workerPool.init()) {
io::printfn("error setting up thread pool: %s", err);
return;
}
while (!shouldQuit) {
TcpSocket? client = tcp::accept(&server);
if (catch err = client) {
io::printfn("error accepting client %s", err);
continue;
}
//readInput(&client);
workerPool.push(&handleThread, &client);
}
}
fn int handleThread(void *args) => @pool_init(mem, 65536) {
TcpSocket *client = (TcpSocket*)args;
readInput(client);
return 0;
}
fn void readInput(TcpSocket *client) {
defer (void)client.close();
char[BUFFSIZE] buffer;
List{String} data;
data.init(mem);
while (try usz read = client.read(&buffer)) {
data.push((String)buffer[:read]);
if (read < BUFFSIZE) {
break;
}
}
processInput(&data);
broadcast(client, &data);
}
fn void processInput(List{String} *input) {
foreach (item : input) {
io::printfn("%s", item);
}
}
fn void broadcast(TcpSocket *socket, List{String} *messages) {
foreach (msg : messages) {
int pos = 0;
while (try usz sent = socket.write(msg[pos:msg.len])) {
if (sent == 0) break;
pos += (uint)sent;
if (pos >= msg.len) break;
}
}
}
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module c3hat;
import std::io;
import std::net;
import std::collections;
fn int main(String[] args) {
String host = "localhost";
uint port = 9500;
uint backlog = 100;
bool shouldQuit = false;
const int BUFFSIZE = 4096;
TcpServerSocket? server = tcp::listen(
host, port, backlog,
SocketOption.REUSEADDR,
ip_protocol: IpProtocol.IPV4);
if (catch err = server) {
io::printfn("unable to create server socket %s", err);
return -1;
}
defer {
if (catch err = server.close()) {
io::printfn("error closing socket %s", err);
}
}
while (!shouldQuit) {
TcpSocket? client = tcp::accept(&server);
if (catch err = client) {
io::printfn("error accepting client %s", err);
continue;
}
defer {
if (catch err = client.close()) {
io::printfn("error closing client socket %s", err);
}
}
char[BUFFSIZE] buffer;
List{String} data;
data.init(mem);
while (try usz read = client.read(&buffer)) {
//io::printfn("buffer %s", (String)buffer[:read]);
data.push((String)buffer[:read]);
if (read < BUFFSIZE) {
break;
}
}
foreach (item : data) {
io::printfn("%s", item);
if (item.contains("quit")) {
shouldQuit = true;
}
}
}
return 0;
}