99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
#ifndef __SERVER_H__
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#define __SERVER_H__
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#include <arpa/inet.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/epoll.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "hashmap.h"
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/* On which port the server will run */
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#define PORT 3030
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/* Clients max queue */
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#define BACKLOG 10
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/* Size of the epoll_event array */
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#define EPOLL_MAXEVENTS 10
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/* Wait forever (epoll_wait()) */
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#define EPOLL_TIMEOUT -1
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/**
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* @brief Runs the server
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*
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* @param hostname[in] The hostname of the server (default localhost, it could be NULL)
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* @param service[in] The service (found in /etc/services) or the port where to run
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* @return int 0 on success, -1 on error
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*/
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int start_server(const char *hostname, const char *service);
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/**
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* @brief Sets the up hints object
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*
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* @param hints[out] The hints addrinfo
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* @param len[in] The length of hints
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* @param hostname[in] The hostname (could be NULL)
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*/
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void setup_hints(struct addrinfo *hints, size_t len, const char *hostname);
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/**
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* @brief Main server loop
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*
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* @param sockfd[in,out] Socket of the commincation endpoint
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*/
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void handle_clients(int sockfd);
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/**
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* @brief Adds a file descriptor to the interest list
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*
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* @param epfd[in] epoll file descriptor
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* @param sockfd[in] The file descriptor to watch
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* @param events[in] The events to follow
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*/
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void epoll_ctl_add(int epfd, int sockfd, uint32_t events);
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/* Remove a file descriptor from the interest list */
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/**
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* @brief Removes a file descriptor from the interest list
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*
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* @param epfd[in] epoll file descriptor
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* @param sockfd[in] The file descriptor to remove
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*/
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void epoll_ctl_del(int epfd, int sockfd);
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/**
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* @brief Makes a file descriptor non blocking
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*
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* @param sockfd[in] The file descriptor to make non blocking
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*/
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void setnonblocking(int sockfd);
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/**
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* @brief Handles the new client
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*
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* @param sockfd[in] Server's file descriptor
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* @param their_sa[out] Populates the struct with client's information
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* @param theirsa_size[in] Size of the struct
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* @return int Returns -1 on error or the file descriptor on success
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*/
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int handle_new_client(int sockfd, struct sockaddr_storage *their_sa, socklen_t *theirsa_size);
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/**
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* @brief Closes all the file descriptors opened
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*
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* @param map[in] The hash map
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*/
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void close_fds(bucket_t *bucket);
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#endif
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