new net category for server/client stuff

libft/Makefile

@@ -128,6 +128,11 @@ mem/ft_memdel.c\
 mem/ft_memmove.c\
 mem/ft_memset.c\
 mem/ft_realloc.c\
+net/create_client.c\
+net/create_server.c\
+net/net_get.c\
+net/net_get_fd.c\
+net/net_send.c\
 path/ft_path_notdir.c\
 printing/ft_putchar.c\
 printing/ft_putendl.c\
@@ -196,6 +201,7 @@ sys/ft_xattr_count.c\
 sys/ft_xattr_print.c\
 sys/is_directory.c\
 sys/open_access.c\
+sys/open_new.c\
 time/ft_mytime_free.c\
 time/ft_mytime_get.c\
 time/ft_time_isrecent.c

libft/includes/error.h

@@ -16,10 +16,16 @@
 # include "libft.h"
 # include <stdarg.h>
 
+/*
+** DEBUG with no malloc
+*/
 # define DG_MSG		"{inv}{ran}%5i{yel}%21s {bol}{blu}%-3d{eoc}"
 # define DG_ARGS	getpid(), getpid(), ft_path_notdir(__FILE__), __LINE__
 # define DG(s, ...)	ft_dprintf(STDBUG,DG_MSG s "{eoc}\n",DG_ARGS,##__VA_ARGS__)
 
+/*
+** DEBUG with no malloc
+*/
 # define DG2		ft_putstr(__FILE__"\t");ft_putnbr(__LINE__)
 # define DGW(d)		DG2;d;ft_putchar('\n')
 # define DGS(s)		DGW(ft_putstr(": "s"="))

libft/includes/libft.h

@@ -34,6 +34,7 @@
 # include "math.h"
 # include "mytime.h"
 # include "get_next_line.h"
+# include "net.h"
 # include "sys.h"
 
 struct	s_stos

libft/includes/net.h

@@ -0,0 +1,19 @@
+#ifndef NET_H
+# define NET_H
+
+# define ACK		2
+# define NACK		3
+
+# include <sys/socket.h>
+# include <netdb.h>
+# include <netinet/in.h>
+# include <arpa/inet.h>
+
+int		create_server(int port, int backlog, char *protoname);
+int		create_client(char *addr, int port, char *protoname);
+
+int		net_send(int sock, char *msg, int size);
+int		net_get(int sock, char *msg, int size);
+int		net_get_fd(int sock, int fd, int size);
+
+#endif

libft/includes/sys.h

@@ -34,6 +34,7 @@ int		ft_xattr_count(char *path);
 char	*ft_getenv(char **env, char *key);
 
 int		open_access(char *file, t_flag a_flag, t_flag o_flag, t_flag o_perm);
+int		open_new(char *filename, int oflag);
 int		is_directory(const char *path);
 char	*create_directory(const char *path, const char *old_pathnames);
 

libft/srcs/net/create_client.c

@@ -0,0 +1,18 @@
+#include "libft.h"
+
+int		create_client(char *addr, int port, char *protoname)
+{
+	int					sock;
+	struct protoent		*proto;
+	struct sockaddr_in	sin;
+
+	if (!(proto = getprotobyname(protoname)))
+		return (-1);
+	sock = socket(PF_INET, SOCK_STREAM, proto->p_proto);
+	sin.sin_family = AF_INET;
+	sin.sin_port = htons(port);
+	sin.sin_addr.s_addr = inet_addr(addr);
+	if (connect(sock, (const struct sockaddr *)&sin, sizeof(sin)) < 0)
+		return (-1);
+	return (sock);
+}

libft/srcs/net/create_server.c

@@ -0,0 +1,19 @@
+#include "libft.h"
+
+int		create_server(int port, int backlog, char *protoname)
+{
+	int					sock;
+	struct protoent		*proto;
+	struct sockaddr_in	sin;
+
+	if (!(proto = getprotobyname(protoname)))
+		return (-1);
+	sock = socket(PF_INET, SOCK_STREAM, proto->p_proto);
+	sin.sin_family = AF_INET;
+	sin.sin_port = htons(port);
+	sin.sin_addr.s_addr = htonl(INADDR_ANY);
+	if (bind(sock, (const struct sockaddr *)&sin, sizeof(sin)) < 0)
+		return (-1);
+	listen(sock, backlog);
+	return (sock);
+}

libft/srcs/net/net_get.c

@@ -0,0 +1,13 @@
+#include "libft.h"
+
+int		net_get(int sock, char *msg, int size)
+{
+	int		ack;
+
+	ack = htons(ACK);
+	if (read(sock, msg, size) < 0)
+		return (-1);
+	if (write(sock, (char*)&ack, sizeof(ack)) < 0)
+		return (-1);
+	return (0);
+}

libft/srcs/net/net_get_fd.c

@@ -0,0 +1,16 @@
+#include "libft.h"
+
+int		net_get_fd(int sock, int fd, int size)
+{
+	int		ack;
+	char	msg[size];
+
+	ack = htons(ACK);
+	if (read(sock, msg, size) < 0)
+		return (-1);
+	if (write(sock, (char*)&ack, sizeof(ack)) < 0)
+		return (-1);
+	if (write(fd, msg, size) < 0)
+		return (-1);
+	return (0);
+}

libft/srcs/net/net_send.c

@@ -0,0 +1,14 @@
+#include "libft.h"
+
+int		net_send(int sock, char *msg, int size)
+{
+	int		ack;
+
+	if (write(sock, msg, size) < 0)
+		return (-1);
+	if (read(sock, (char*)&ack, sizeof(ack)) < 0)
+		return (-1);
+	if (ntohs(ack) != ACK)
+		return (1);
+	return (0);
+}

libft/srcs/sys/open_new.c

@@ -0,0 +1,23 @@
+#include "libft.h"
+
+int		open_new(char *filename, int oflag)
+{
+	char	*fname;
+	int		fd;
+	int		i;
+	int		len;
+
+	len = ft_strlen(filename);
+	fname = ft_strnew(len + 4);
+	ft_strcpy(fname, filename);
+	i = 0;
+	while (i < 10 && (fd = open(fname, oflag | O_CREAT | O_EXCL, 0644)) < 0
+			&& errno == EEXIST)
+	{
+		fname[len]	= '(';
+		fname[len + 1]	= ++i + '0';
+		fname[len + 2]	= ')';
+	}
+	ft_strdel(&fname);
+	return (fd);
+}