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Hello world/Web server: Difference between revisions
→{{header|C}}: simplified code, dropped fork(), serving HTML5 (!)
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(→{{header|C}}: simplified code, dropped fork(), serving HTML5 (!)) |
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=={{header|C}}==
<lang C>#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
Line 22 ⟶ 19:
#include <err.h>
char
"Content-Type: text/html; charset=UTF-8\r\n\r\n"
"<doctype !html><html><head><title>
"<style>
"h1 { font-size:4cm; text-align: center; color: black;"
"</head><body><h1>Goodbye, world!</h1></body></html>\r\n";▼
" text-shadow: 0 0 2mm red}</style></head>"
int main()▼
{
int one = 1, client_fd;▼
struct sockaddr_in svr_addr, cli_addr;▼
socklen_t sin_len;▼
int sock = socket(AF_INET, SOCK_STREAM, 0);
▲ int client_fd;
▲ socklen_t sin_len;
▲ if (sock < 0) err(1, "can't open socket");
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(int));
int port = 8080;
▲ struct sockaddr_in svr_addr, cli_addr;
svr_addr.sin_family = AF_INET;
svr_addr.sin_addr.s_addr = INADDR_ANY;
svr_addr.sin_port = htons(port);
if (bind(sock, (struct sockaddr *) &svr_addr, sizeof(svr_addr)) == -1) {
close(sock);
Line 56 ⟶ 50:
listen(sock, 5);
while (1) {
client_fd = accept(sock, (struct sockaddr *) &cli_addr, &sin_len);
printf("got connection\n");▼
if (client_fd == -1) {
perror("Can't accept");
continue;
write(client_fd, canned_response, sizeof(canned_response) - 1);/*-1:'\0'*/▼
}
▲ printf("got connection\n");
close(client_fd);
}
▲int main()
}</lang>
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