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#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 <stdarg.h>
#include <pthread.h>
#include "const_strings.h"
#include "arena_strings.h"
#include "arena.h"
typedef struct {
const_string key;
const_string value;
} KV;
typedef struct {
KV *data;
size_t len;
size_t cap;
} header_da;
typedef struct {
const_string key;
const_string val;
} query;
typedef struct {
KV *data;
size_t len;
size_t cap;
} query_da;
typedef struct {
const_string key;
void *val;
} context_value;
typedef struct {
context_value *data;
size_t len;
size_t cap;
} context;
struct request {
size_t inc_fd;
const_string method;
const_string path;
query_da query;
header_da headers;
const_string body;
arena *arena;
struct response* resp;
context *ctx;
};
struct response {
size_t code;
header_da headers;
const_string body;
bool sent;
};
typedef void (*handler_func)(struct request);
typedef struct handler_da handler_da;
typedef struct http_middleware http_middleware;
typedef struct handler handler;
typedef void (*http_middleware_func)(http_middleware *, struct request);
struct http_middleware {
http_middleware_func func;
http_middleware *next;
handler_func handler;
};
struct handler {
const_string method;
const_string path;
http_middleware *middleware;
handler_func func;
};
struct handler_da {
handler *data;
size_t len;
size_t cap;
};
struct server {
size_t sockfd;
struct sockaddr *addr;
arena *arena;
handler_da handlers;
context global_ctx;
http_middleware *global_middleware;
};
typedef enum {
HTTP_INFO = 0,
HTTP_WARNING,
HTTP_ERROR,
} http_log_level;
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,
REQUEST_TIMEOUT = 408,
IM_A_TEEPOT = 418,
INTERNAL_SERVER_ERROR = 500,
NOT_IMPLEMENTED = 501,
BAD_GATEWAY = 502,
SERVICE_UNAVAILABLE = 503,
HTTP_VERSION_NOT_SUPPPORTED = 505,
} response_code;
const_string get_response_string(response_code code);
void *get_in_addr(struct sockaddr *sa);
int get_in_port(struct sockaddr *sa);
void http_log(http_log_level log, char *fmt, ...);
void set_context_value(arena *arena, context *ctx, context_value kv);
void *get_context_value(context *ctx, char* key);
void http_send(struct request req);
void http_send_json(struct request req, const_string json);
void http_send_body(struct request req, const_string body);
int init_server(arena *arena, struct server *serv, char *addr, char *port);
int listen_and_serve(struct server *serv);
handler *handle_path(struct server *serv, const_string method, const_string path, handler_func handler);
void http_register_handler_middleware(arena *arena, handler *hand, http_middleware_func func);
#endif // HTTP_H_
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