initial hashmap code

include/client.h

@@ -2,16 +2,16 @@
 #define __CLIENT_H__
 
 #include <arpa/inet.h>
+#include <errno.h>
 #include <netdb.h>
 #include <netinet/in.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
 
-int test_client_connection(const char *hostname, const char *port);
+int test_client_connection(const char *hostname, const char *service);
 
 #endif

include/hashmap.h

@@ -0,0 +1,16 @@
+#ifndef __HASHMAP_C__
+#define __HASHMAP_C__
+
+#include <sys/socket.h>
+
+#define HASHMAP_MAX_ITEMS 10000
+
+struct hashmap {
+	int sockfd;
+	struct sockaddr_storage sas;
+};
+
+int hash(int sockfd);
+void hm_insert(struct hashmap *map, int sockfd, struct sockaddr_storage *sas);
+
+#endif

include/server.h

@@ -2,18 +2,17 @@
 #define __SERVER_H__
 
 #include <arpa/inet.h>
+#include <errno.h>
+#include <fcntl.h>
 #include <netdb.h>
 #include <netinet/in.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #include <sys/epoll.h>
-#include <fcntl.h>
-#include <errno.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 #define PORT 3030
 #define BACKLOG 10
@@ -24,7 +23,9 @@ int start_server(const char *hostname, const char *service);
 void setup_hints(struct addrinfo *hints, size_t len, const char *hostname);
 void handle_clients(int sockfd);
 void epoll_ctl_add(int epfd, int sockfd, uint32_t events);
+void epoll_ctl_del(int epfd, int sockfd);
 void setnonblocking(int sockfd);
-void handle_new_client(int sockfd);
+int handle_new_client(int sockfd, struct sockaddr_storage *their_sa, socklen_t *theirsa_size);
+void print_client_ip(struct sockaddr_in *sin);
 
 #endif

include/utils.h

@@ -4,12 +4,11 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <netinet/in.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 
 // print every IPs of a hostname
 void print_ips(const char *hostname, const char *port);