Add HTTP server

http.h

@@ -1,7 +1,38 @@
 #pragma once
 
-#include "v4l2.h"
+#include <netinet/ip.h>
 
-int http_listen(int listen_port, int maxcons);
-int http_worker(int listenfd);
-int http_worker_threads(int listenfd, int nthreads);
+#include "v4l2.h"
+#include "buffer.h"
+
+struct http_worker_s;
+
+typedef void (*http_method_fn)(struct http_worker_s *worker, FILE *stream);
+
+typedef struct http_method_s {
+  const char *name;
+  http_method_fn func;
+} http_method_t;
+
+typedef struct http_worker_s {
+  char *name;
+  int listen_fd;
+  http_method_t *methods;
+  pthread_t thread;
+
+  int client_fd;
+  struct sockaddr_in client_addr;
+  char *client_host;
+  char client_method[256];
+} http_worker_t;
+
+int http_server(int listen_port, int maxcons, http_method_t *methods);
+
+void http_index(http_worker_t *worker, FILE *stream);
+void http_404_header(http_worker_t *worker, FILE *stream);
+void http_404(http_worker_t *worker, FILE *stream);
+
+// M-JPEG
+void http_snapshot(http_worker_t *worker, FILE *stream);
+void http_stream(http_worker_t *worker, FILE *stream);
+void http_jpeg_capture(struct buffer_s *buf);