115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
#ifndef CWS_SERVER_H
|
|
#define CWS_SERVER_H
|
|
|
|
#include <netdb.h>
|
|
#include <signal.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include "myclib/hashmap/myhashmap.h"
|
|
#include "utils/config.h"
|
|
|
|
/* Clients max queue */
|
|
#define CWS_SERVER_BACKLOG 10
|
|
|
|
/* Size of the epoll_event array */
|
|
#define CWS_SERVER_EPOLL_MAXEVENTS 10
|
|
|
|
/* Wait forever (epoll_wait()) */
|
|
#define CWS_SERVER_EPOLL_TIMEOUT -1
|
|
|
|
#define CWS_SERVER_MAX_REQUEST_SIZE (64 * 1024) /* 64 KB */
|
|
|
|
/* Main server loop */
|
|
extern volatile sig_atomic_t cws_server_run;
|
|
|
|
typedef enum cws_server_ret_t {
|
|
CWS_SERVER_OK,
|
|
CWS_SERVER_CONFIG,
|
|
CWS_SERVER_FD_ERROR,
|
|
CWS_SERVER_CLIENT_NOT_FOUND,
|
|
CWS_SERVER_CLIENT_DISCONNECTED,
|
|
CWS_SERVER_CLIENT_DISCONNECTED_ERROR,
|
|
CWS_SERVER_HTTP_PARSE_ERROR,
|
|
CWS_SERVER_GETADDRINFO_ERROR,
|
|
CWS_SERVER_SOCKET_ERROR,
|
|
CWS_SERVER_SETSOCKOPT_ERROR,
|
|
CWS_SERVER_BIND_ERROR,
|
|
CWS_SERVER_LISTEN_ERROR,
|
|
CWS_SERVER_EPOLL_ADD_ERROR,
|
|
CWS_SERVER_EPOLL_DEL_ERROR,
|
|
CWS_SERVER_FD_NONBLOCKING_ERROR,
|
|
CWS_SERVER_ACCEPT_CLIENT_ERROR,
|
|
CWS_SERVER_HASHMAP_INIT,
|
|
CWS_SERVER_MALLOC_ERROR,
|
|
CWS_SERVER_REQUEST_TOO_LARGE,
|
|
} cws_server_ret;
|
|
|
|
/**
|
|
* @brief Setups hints object
|
|
*
|
|
* @param[out] hints The hints addrinfo
|
|
* @param[in] hostname The hostname (could be NULL)
|
|
*/
|
|
void cws_server_setup_hints(struct addrinfo *hints, const char *hostname);
|
|
|
|
/**
|
|
* @brief Runs the server
|
|
*
|
|
* @param[in] config The server's config
|
|
*/
|
|
cws_server_ret cws_server_start(cws_config *config);
|
|
|
|
/**
|
|
* @brief Main server loop
|
|
*
|
|
* @param[in,out] sockfd Socket of the commincation endpoint
|
|
*/
|
|
cws_server_ret cws_server_loop(int sockfd, cws_config *config);
|
|
|
|
/**
|
|
* @brief Adds a file descriptor to the interest list
|
|
*
|
|
* @param[in] epfd epoll file descriptor
|
|
* @param[in] sockfd The file descriptor to watch
|
|
* @param[in] events The events to follow
|
|
*/
|
|
cws_server_ret cws_epoll_add(int epfd, int sockfd, uint32_t events);
|
|
|
|
/**
|
|
* @brief Removes a file descriptor from the interest list
|
|
*
|
|
* @param[in] epfd epoll file descriptor
|
|
* @param[in] sockfd The file descriptor to remove
|
|
*/
|
|
cws_server_ret cws_epoll_del(int epfd, int sockfd);
|
|
|
|
/**
|
|
* @brief Makes a file descriptor non-blocking
|
|
*
|
|
* @param[in] sockfd The file descriptor to make non-blocking
|
|
*/
|
|
cws_server_ret cws_fd_set_nonblocking(int sockfd);
|
|
|
|
/**
|
|
* @brief Handles the new client
|
|
*
|
|
* @param[in] sockfd Server's file descriptor
|
|
* @param[out] their_sa Populates the struct with client's information
|
|
* @param[in] theirsa_size Size of the struct
|
|
*/
|
|
int cws_server_accept_client(int sockfd, struct sockaddr_storage *their_sa, socklen_t *theirsa_size);
|
|
|
|
/**
|
|
* @brief Disconnect a client
|
|
*
|
|
* @param[in] epfd Epoll file descriptor
|
|
* @param[in] client_fd Client file descriptor
|
|
* @param[in] hashmap Clients hash map
|
|
*/
|
|
void cws_server_close_client(int epfd, int client_fd, mcl_hashmap *hashmap);
|
|
|
|
cws_server_ret cws_server_handle_new_client(int sockfd, int epfd, mcl_hashmap *clients);
|
|
cws_server_ret cws_server_handle_client_data(int client_fd, int epfd, mcl_hashmap *clients, cws_config *config);
|
|
|
|
#endif
|