tp3

tp3/reseau/clt.c

@@ -0,0 +1,70 @@
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <netinet/tcp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <resolv.h>
+#include <fcntl.h>
+#include <sys/time.h>
+#include <assert.h>
+#define MAXBUFF 4096 
+
+int main(int argc, char * argv[]) {
+	int sock,  z=0, fd;
+	char buff[MAXBUFF];
+	struct sockaddr_in server_addr;
+	int addrlen; 
+
+	if (argc != 4) {
+		printf("Usage: %s <IP-address> <port number> <file to send>\n",argv[0]);
+		exit(1);
+	}
+
+	sock = socket(AF_INET, SOCK_STREAM, 0);
+	assert(sock != -1);
+
+	bzero(&server_addr, sizeof(server_addr));
+	server_addr.sin_family = AF_INET;
+	server_addr.sin_port = htons(atoi(argv[2]));
+
+	assert( inet_aton(argv[1], (struct in_addr*)&server_addr.sin_addr.s_addr) != 0 );
+
+	addrlen = sizeof(server_addr);
+
+	fd = open(argv[3],O_RDONLY,0666); 
+	assert(fd != -1);
+
+	assert(connect(sock,(struct sockaddr *)&server_addr, addrlen) != -1);
+
+	while(1) {
+		
+		ssize_t mbytes, nbytes;
+
+		nbytes=read(fd,buff,MAXBUFF);
+
+		if (nbytes==-1) {
+			perror("read");
+			exit(1);
+		}
+		if (nbytes==0) {
+			break;
+		}
+
+		mbytes = write(sock,buff,nbytes);
+		if (mbytes == -1) {
+			perror("write");
+			exit(1);
+		}
+		z=z+mbytes;
+	}
+
+	printf("file %s sent (%d bytes)",argv[3],z);
+
+	close(sock);
+	exit(0);
+}