1 files changed, 112 insertions, 0 deletions
diff --git a/lib/http.h b/lib/http.h
new file mode 100644
index 0000000..97d058a
--- /dev/null
+++ b/lib/http.h
@@ -0,0 +1,112 @@
+#ifndef HTTP_H_
+#define HTTP_H_
+
+#include <stdio.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include "const_strings.h"
+#include "arena_strings.h"
+#include "arena.h"
+
+struct header {
+  const_string key;
+  const_string value;
+};
+
+
+typedef struct {
+  struct header *data;
+  size_t len;
+  size_t cap;
+} header_da;
+
+struct request {
+  const_string method;
+  const_string path;
+  header_da headers;
+  const_string body;
+};
+
+struct response {
+  size_t code;
+  const_string body;
+  const_string string;
+};
+
+typedef void (*handler_func)(struct request, struct response *resp);
+
+struct handler {
+  const_string method;
+  const_string path;
+  handler_func func;
+};
+
+typedef struct {
+  struct handler *data;
+  size_t len;
+  size_t cap;
+} handler_da;
+
+struct server {
+  arena *arena;
+  int sockfd;
+  struct sockaddr *addr;
+  handler_da handlers;
+};
+
+typedef enum {
+  CONTINUE = 100,
+  SWITCHING_PROTOCOLS = 101,
+  PROCESSING = 102,
+  EARLY_HINTS = 103,
+  OK = 200,
+  CREATED = 201,
+  ACCEPTED = 202,
+  NO_CONTENT = 204,
+  MULTIPLE_CHOICES = 300,
+  MOVED_PERMANENTLY = 301,
+  FOUND = 302,
+  SEE_OTHER = 303,
+  NOT_MODIFIED = 304,
+  TEMPORARY_REDIRECT = 307,
+  PERMANENT_REDIRECT = 308,
+  BAD_REQUEST = 400,
+  UNAUTHORIZED = 401,
+  PAYMENT_REQUIRED = 402,
+  FORBIDDEN = 403,
+  NOT_FOUND = 404,
+  METHOD_NOT_ALLOWED = 405,
+  NOT_ACCEPTABLE = 406,
+  IM_A_TEEPOT = 418,
+  INTERNAL_SERVER_ERROR = 500,
+  NOT_IMPLEMENTED = 501,
+  BAD_GATEWAY = 502,
+  SERVICE_UNAVAILABLE = 503,
+  HTTP_VERSION_NOT_SUPPPORTED = 505,
+} response_codes;
+
+const_string get_response_string(int code);
+void sigchld_handler();
+void *get_in_addr(struct sockaddr *sa);
+int get_in_port(struct sockaddr *sa);
+
+int init_server(arena *arena, struct server *serv, char *addr, char *port);
+void compose_response(struct response *resp, arena *perm, arena scratch);
+void process_request(struct server *serv, ssize_t inc_fd);
+int listen_and_serve(struct server *serv);
+
+void handle_path(struct server *serv, const_string method, const_string path, handler_func handler);
+void compose_response(struct response *resp, arena *perm, arena scratch);
+void process_request(struct server *serv, ssize_t inc_fd);
+#endif // HTTP_H_