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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 "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;
struct request {
const_string method;
const_string path;
query_da query;
header_da headers;
const_string body;
};
struct response {
size_t code;
header_da headers;
const_string body;
const_string string;
};
typedef struct {
const_string key;
void *val;
} context_value;
typedef struct {
context_value *data;
size_t len;
size_t cap;
} context;
typedef void (*handler_func)(context*, 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 {
int sockfd;
struct sockaddr *addr;
arena *arena;
handler_da handlers;
context global_ctx;
};
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 set_context_value(arena *arena, context *ctx, context_value kv);
void *get_context_value(context *ctx, const_string key);
void resp_set_code(struct response* resp, response_code code);
void resp_set_json(arena *arena, struct response* resp, const_string json);
int init_server(arena *arena, struct server *serv, char *addr, char *port);
int listen_and_serve(struct server *serv);
void handle_path(struct server *serv, const_string method, const_string path, handler_func handler);
#endif // HTTP_H_
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