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@Yggdrasill501
Created February 3, 2024 20:47
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Simplest web socket for creating web-server in C
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
int main() {
int server_fd, new_socket;
struct sockaddr_in address;
int addrlen = sizeof(address);
char buffer[1024] = {0};
char *response = "HTTP/1.1 200 OK\nContent-Type: text/plain\nContent-Length: 15\n\nI am web server";
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(8000);
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
perror("bind failed");
exit(EXIT_FAILURE);
}
if (listen(server_fd, 3) < 0) {
perror("listen");
exit(EXIT_FAILURE);
}
if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t*)&addrlen)) < 0) {
perror("accept");
exit(EXIT_FAILURE);
}
read(new_socket, buffer, 1024);
printf("Request:\n%s\n", buffer);
send(new_socket, response, strlen(response), 0);
printf("Response sent\n");
// Close the socket
close(new_socket);
close(server_fd);
return 0;
}
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