Initial single and blocking server

1 files changed, 75 insertions, 0 deletions

diff --git a/plop.c b/plop.c
new file mode 100644
index 0000000..d51871c
--- /dev/null
+++ b/plop.c
@@ -0,0 +1,75 @@
+#include <netdb.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int main(int argc, char ** argv)
+{
+	struct addrinfo hints = {
+		.ai_family = AF_UNSPEC,
+		.ai_socktype = SOCK_STREAM,
+		.ai_flags = AI_PASSIVE,
+	};
+
+	struct addrinfo * result;
+	struct addrinfo * it;
+
+	if (2 != argc)
+	{
+		return 4;
+	}
+
+	if (0 != getaddrinfo(NULL, argv[1], &hints, &result))
+	{
+		return 1; // TODO: Handle errors properly
+	}
+
+	int server;
+
+	for (it = result; it != NULL; it = it->ai_next)
+	{
+		server = socket(it->ai_family, it->ai_socktype, it->ai_protocol);
+
+		if (-1 == server)
+			continue;
+
+		if (0 == bind(server, it->ai_addr,it->ai_addrlen))
+			break;
+
+		close(server);
+	}
+
+	if (it == NULL)
+	{
+		return 2; // TODO: Handle errors properly
+	}
+
+	freeaddrinfo(result);
+
+	if (-1 == listen(server, 5))
+	{
+		return 3; // TODO: Handle errors properly
+	}
+
+	int client;
+	static const char * response =
+		"HTTP/1.1 200 OK\r\n"
+		"Content-Type: text/plain; charset=utf-8\r\n"
+		"\r\n"
+		"plop\n";
+
+	for (;;)
+	{
+		if (-1 != (client = accept(server, NULL, NULL)))
+		{
+			if (-1 == send(client, response, strlen(response), 0))
+			{
+				// TODO: Handle errors properly
+			}
+
+			// Ignore the close-related error mess.
+			close(client);
+		}
+	}
+}