initial http parsing

include/server/server.h

@@ -0,0 +1,97 @@
+#ifndef __SERVER_H__
+#define __SERVER_H__
+
+#include <arpa/inet.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "utils/hashmap.h"
+
+/* On which port the server will run */
+#define PORT 3030
+
+/* Clients max queue */
+#define BACKLOG 10
+
+/* Size of the epoll_event array */
+#define EPOLL_MAXEVENTS 10
+
+/* Wait forever (epoll_wait()) */
+#define EPOLL_TIMEOUT -1
+
+/**
+ * @brief Runs the server
+ *
+ * @param hostname[in] The hostname of the server (default localhost, it could be NULL)
+ * @param service[in] The service (found in /etc/services) or the port where to run
+ * @return 0 on success, -1 on error
+ */
+int start_server(const char *hostname, const char *service);
+
+/**
+ * @brief Setups hints object
+ *
+ * @param hints[out] The hints addrinfo
+ * @param len[in] The length of hints
+ * @param hostname[in] The hostname (could be NULL)
+ */
+void setup_hints(struct addrinfo *hints, size_t len, const char *hostname);
+
+/**
+ * @brief Main server loop
+ *
+ * @param sockfd[in,out] Socket of the commincation endpoint
+ */
+void handle_clients(int sockfd);
+
+/**
+ * @brief Adds a file descriptor to the interest list
+ *
+ * @param epfd[in] epoll file descriptor
+ * @param sockfd[in] The file descriptor to watch
+ * @param events[in] The events to follow
+ */
+void epoll_ctl_add(int epfd, int sockfd, uint32_t events);
+
+/**
+ * @brief Removes a file descriptor from the interest list
+ *
+ * @param epfd[in] epoll file descriptor
+ * @param sockfd[in] The file descriptor to remove
+ */
+void epoll_ctl_del(int epfd, int sockfd);
+
+/**
+ * @brief Makes a file descriptor non blocking
+ *
+ * @param sockfd[in] The file descriptor to make non blocking
+ */
+void setnonblocking(int sockfd);
+
+/**
+ * @brief Handles the new client
+ *
+ * @param sockfd[in] Server's file descriptor
+ * @param their_sa[out] Populates the struct with client's information
+ * @param theirsa_size[in] Size of the struct
+ * @return Returns -1 on error or the file descriptor on success
+ */
+int handle_new_client(int sockfd, struct sockaddr_storage *their_sa, socklen_t *theirsa_size);
+
+/**
+ * @brief Closes all the file descriptors opened
+ *
+ * @param map[in] The hash map
+ */
+void close_fds(bucket_t *bucket);
+
+#endif