From e03539a3221bbded04ddc84af337c37f115f443e Mon Sep 17 00:00:00 2001
From: Giovanni Di Grezia <xgiovio@gmail.com>
Date: Wed, 16 Apr 2014 14:24:42 +0200
Subject: [PATCH] Creato alcuni esercizi su server ricorsivi. bugfixes

---
 7.client-server-daytime/daytimecli.c          |   1 -
 7.client-server-daytime/daytimesrv.c          |   1 -
 7.client-server-daytime/readme                |   2 +-
 7.client-server-print-ip-port-both/client     | Bin 9508 -> 9508 bytes
 .../daytimecli.c                              |  13 ++--
 .../daytimecli.o                              | Bin 2180 -> 2436 bytes
 .../daytimesrv.c                              |   8 +--
 .../daytimesrv.o                              | Bin 2412 -> 2412 bytes
 7.client-server-print-ip-port-both/readme     |   4 +-
 7.client-server-print-ip-port-both/server     | Bin 9644 -> 9644 bytes
 7.client-server-printipclient/daytimecli.c    |   1 -
 7.client-server-printipclient/daytimesrv.c    |   1 -
 7.client-server_recursive/client              | Bin 0 -> 9200 bytes
 7.client-server_recursive/daytimecli.c        |  28 ++++++++
 7.client-server_recursive/daytimecli.c~       |  31 ++++++++
 7.client-server_recursive/daytimecli.o        | Bin 0 -> 1672 bytes
 7.client-server_recursive/daytimesrv.c        |  66 ++++++++++++++++++
 7.client-server_recursive/daytimesrv.c~       |  41 +++++++++++
 7.client-server_recursive/daytimesrv.o        | Bin 0 -> 2384 bytes
 7.client-server_recursive/makefile            |   9 +++
 7.client-server_recursive/makefile~           |   8 +++
 7.client-server_recursive/readme              |   3 +
 7.client-server_recursive/readme~             |   0
 7.client-server_recursive/server              | Bin 0 -> 9476 bytes
 .../echocli.c                                 |   0
 .../echosrv.c                                 |   0
 .../echosrv.c~                                |   0
 .../echosrv.o                                 | Bin
 .../makefile                                  |   0
 .../makefile~                                 |   0
 .../server                                    | Bin
 31 files changed, 201 insertions(+), 16 deletions(-)
 create mode 100755 7.client-server_recursive/client
 create mode 100644 7.client-server_recursive/daytimecli.c
 create mode 100644 7.client-server_recursive/daytimecli.c~
 create mode 100644 7.client-server_recursive/daytimecli.o
 create mode 100644 7.client-server_recursive/daytimesrv.c
 create mode 100644 7.client-server_recursive/daytimesrv.c~
 create mode 100644 7.client-server_recursive/daytimesrv.o
 create mode 100644 7.client-server_recursive/makefile
 create mode 100644 7.client-server_recursive/makefile~
 create mode 100644 7.client-server_recursive/readme
 create mode 100644 7.client-server_recursive/readme~
 create mode 100755 7.client-server_recursive/server
 rename {8.client-server-echo => 9.client-server-echo}/echocli.c (100%)
 rename {8.client-server-echo => 9.client-server-echo}/echosrv.c (100%)
 rename {8.client-server-echo => 9.client-server-echo}/echosrv.c~ (100%)
 rename {8.client-server-echo => 9.client-server-echo}/echosrv.o (100%)
 rename {8.client-server-echo => 9.client-server-echo}/makefile (100%)
 rename {8.client-server-echo => 9.client-server-echo}/makefile~ (100%)
 rename {8.client-server-echo => 9.client-server-echo}/server (100%)

diff --git a/7.client-server-daytime/daytimecli.c b/7.client-server-daytime/daytimecli.c
index 3128e01..82835dd 100644
--- a/7.client-server-daytime/daytimecli.c
+++ b/7.client-server-daytime/daytimecli.c
@@ -1,4 +1,3 @@
-/* Client che interroga un daytime server */
 
 #include	"../basic.h"
 
diff --git a/7.client-server-daytime/daytimesrv.c b/7.client-server-daytime/daytimesrv.c
index 47ac4be..95ad13b 100644
--- a/7.client-server-daytime/daytimesrv.c
+++ b/7.client-server-daytime/daytimesrv.c
@@ -1,4 +1,3 @@
-/* Implementa un daytime server che risponde alla porta definita dall'utente */
 
 #include	"../basic.h"
 #include	<time.h>
diff --git a/7.client-server-daytime/readme b/7.client-server-daytime/readme
index 98ce113..114b51e 100644
--- a/7.client-server-daytime/readme
+++ b/7.client-server-daytime/readme
@@ -1,2 +1,2 @@
 il server per ogni richiesta accettata copia la data locale al socket client
-il client colelgato legge la data copiata e stampa 
+il client collegato legge la data copiata e stampa 
diff --git a/7.client-server-print-ip-port-both/client b/7.client-server-print-ip-port-both/client
index 9f0059942dd4dec30d493eb1e9a8226d178c88ed..f4657651bf375e95768d580ef969ce004ab6f505 100755
GIT binary patch
delta 1214
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yXj)t$O3Ybqkc`J%&0I2S--TLO5#W(*e}I~FZVJ)XJ9I9FYP?tH$eVTSyWt<C=0+g^

delta 1067
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zZZ}8}Y%A%Zm!gGMMbb<(>}AQILWu35nm|aUhm2x7_s%shJKx#!-S2#J?#!I=n(><9
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zb$dEcivg`AbM0*%9@J<+(G(Cx(x4ZZU)wNNbM|v<crxciRkm55%}&@6;WS&*-otV)
U+rQ3oSAwn&u>54GI(LQt2MGxbB>(^b

diff --git a/7.client-server-print-ip-port-both/daytimecli.c b/7.client-server-print-ip-port-both/daytimecli.c
index 8d53c16..e0aa838 100644
--- a/7.client-server-print-ip-port-both/daytimecli.c
+++ b/7.client-server-print-ip-port-both/daytimecli.c
@@ -1,4 +1,4 @@
-/* Client che si collega a un server e basta */
+
 
 #include	"../basic.h"
 
@@ -28,11 +28,14 @@ int main(int argc, char **argv) {
 	}
 	
 	struct sockaddr_in	r_server_local_addr;
-	int r_server_local_addr_len = sizeof(r_server_local_addr);
+	unsigned int r_server_local_addr_len = sizeof(r_server_local_addr);
 	
 	char * socket_buffer = (char *) malloc (r_server_local_addr_len) ;
-	
-	read (sockfd, socket_buffer,r_server_local_addr_len );
+	int ridden;
+	ridden = read (sockfd, socket_buffer,r_server_local_addr_len );
+	fprintf(stdout,"Ho letto la prima volta %d\n bytes",ridden);
+	ridden = read (sockfd, socket_buffer,r_server_local_addr_len );
+	fprintf(stdout,"Ho letto la seconda volta %d\n bytes",ridden);
 	
 	memcpy (&r_server_local_addr,socket_buffer, r_server_local_addr_len);
 	
@@ -43,7 +46,7 @@ int main(int argc, char **argv) {
 	inet_ntop(AF_INET, &(r_server_local_addr.sin_addr), buff, INET_ADDRSTRLEN);// get ip
 	port = ntohs(r_server_local_addr.sin_port);// get  port
 		
-	fprintf (stdout,"%s%c%hi\n",buff,':',port);
+	fprintf (stdout,"%s%c%hu\n",buff,':',port);
 	
 	
 	exit(0);
diff --git a/7.client-server-print-ip-port-both/daytimecli.o b/7.client-server-print-ip-port-both/daytimecli.o
index cbc2c8052dfd59722359f6d928e235929473ceeb..ce55f9803089d9f7ad00fe062c1a6c2c68c432b7 100644
GIT binary patch
delta 1051
zcma)*OK1~89L8sxr>V`OwQ3?uww8#X>x0tzfRHEz7ByfG1@X`to5ToB6Pk^v7*e#A
zZkIyhAc&`UP<l}+7EJY^Lco%vUi4N)LB&HoiBO2&WGB+<#UZo5{l4!%vy+|KDbG|_
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SPL1r#sT2Lg-~hc~7k>kV*2DP#

delta 782
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diff --git a/7.client-server-print-ip-port-both/daytimesrv.c b/7.client-server-print-ip-port-both/daytimesrv.c
index b2fa3db..12c17fd 100644
--- a/7.client-server-print-ip-port-both/daytimesrv.c
+++ b/7.client-server-print-ip-port-both/daytimesrv.c
@@ -1,4 +1,4 @@
-/* stampa l'ip del client che si collega */
+
 
 #include	"../basic.h"
 #include	<time.h>
@@ -31,10 +31,10 @@ int main(int argc, char **argv) {
 		}
 
 	struct sockaddr_in	client_addr;
-	int client_addr_len = sizeof(client_addr);
+	unsigned int client_addr_len = sizeof(client_addr);
 	
 	struct sockaddr_in	server_local_addr;
-	int server_local_addr_len = sizeof(server_local_addr);
+	unsigned int server_local_addr_len = sizeof(server_local_addr);
 	
 	char * socket_buffer = (char *) malloc (server_local_addr_len) ;
 	
@@ -49,7 +49,7 @@ int main(int argc, char **argv) {
 		inet_ntop(AF_INET, &(client_addr.sin_addr), buff, INET_ADDRSTRLEN);// get client ip
 		port = ntohs(client_addr.sin_port);// get client port
 		
-		fprintf (stdout,"%s%c%hi\n",buff,':',port);
+		fprintf (stdout,"%s%c%hu\n",buff,':',port);
 		
 		
 		
diff --git a/7.client-server-print-ip-port-both/daytimesrv.o b/7.client-server-print-ip-port-both/daytimesrv.o
index 8d32205bf828f559c5ba0ec0dc6498bd8cff9184..e160c2ea49a5b74049148d48fd4d9d1c59d0a5ed 100644
GIT binary patch
delta 190
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AEC2ui

delta 190
zcmaDO^hRhyEHjHoa&6D#B<2f1MrqGvOBQ7yBeZ97GK&)5i+}(Br-6VTzkCbB<Q|qf
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BBozPv

diff --git a/7.client-server-print-ip-port-both/readme b/7.client-server-print-ip-port-both/readme
index 1f85399..6177b8c 100644
--- a/7.client-server-print-ip-port-both/readme
+++ b/7.client-server-print-ip-port-both/readme
@@ -1,2 +1,2 @@
-il server attende una connessione dal client e stampa lip del client
-il client si connette soltanto al server
+il server attende una connessione dal client e stampa ip e porta del client
+il client si connette al server e stampa ip e porta del server
diff --git a/7.client-server-print-ip-port-both/server b/7.client-server-print-ip-port-both/server
index 98f7cfa81a70e838f632a0b22e90aff519062fff..65d3aab96fb5539db3aaed12388f97c4fdbfcb4b 100755
GIT binary patch
delta 301
zcmZ4Ey~cZk0;_=h{H+U2)GVF)7nn02+y3#-W&_q-7O!sCp3dVh8d(?^JUU$)JbFWy
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delta 301
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DUA2WL

diff --git a/7.client-server-printipclient/daytimecli.c b/7.client-server-printipclient/daytimecli.c
index 92be990..af079ab 100644
--- a/7.client-server-printipclient/daytimecli.c
+++ b/7.client-server-printipclient/daytimecli.c
@@ -1,4 +1,3 @@
-/* Client che si collega a un server e basta */
 
 #include	"../basic.h"
 
diff --git a/7.client-server-printipclient/daytimesrv.c b/7.client-server-printipclient/daytimesrv.c
index f814bfd..81bbdb1 100644
--- a/7.client-server-printipclient/daytimesrv.c
+++ b/7.client-server-printipclient/daytimesrv.c
@@ -1,4 +1,3 @@
-/* stampa l'ip del client che si collega */
 
 #include	"../basic.h"
 #include	<time.h>
diff --git a/7.client-server_recursive/client b/7.client-server_recursive/client
new file mode 100755
index 0000000000000000000000000000000000000000..e225a2c7f124d0343df71baeff4ef2650edbf081
GIT binary patch
literal 9200
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diff --git a/7.client-server_recursive/daytimecli.c b/7.client-server_recursive/daytimecli.c
new file mode 100644
index 0000000..b4d715d
--- /dev/null
+++ b/7.client-server_recursive/daytimecli.c
@@ -0,0 +1,28 @@
+
+#include	"../basic.h"
+
+int main(int argc, char **argv) {
+	int			sockfd;
+	struct sockaddr_in	servaddr;
+
+	if (argc != 3){
+		printf("usage: daytimecli <indirizzoIP> <porta> \n");
+		exit(0);
+}
+        if( (sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0 ){
+			printf("socket error\n");
+			exit(0);
+}
+	servaddr.sin_family = AF_INET;
+        servaddr.sin_port = htons(atoi(argv[2])); /* server port */ 
+
+        if (inet_pton(AF_INET, argv[1], &servaddr.sin_addr) <= 0){
+                printf("inet_pton error for %s\n", argv[1]);
+		exit(0);
+}
+	if (connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr)) < 0){
+		printf("connect error\n");
+		exit(0);
+	}
+	exit(0);
+}
diff --git a/7.client-server_recursive/daytimecli.c~ b/7.client-server_recursive/daytimecli.c~
new file mode 100644
index 0000000..239a866
--- /dev/null
+++ b/7.client-server_recursive/daytimecli.c~
@@ -0,0 +1,31 @@
+/* Client che interroga un daytime server */
+
+#include	"../basic.h"
+
+int main(int argc, char **argv) {
+	int			sockfd, n;
+	char			recvline[MAXLINE + 1];
+	struct sockaddr_in	servaddr;
+
+	if (argc != 3){
+		printf("usage: daytimecli <indirizzoIP> <porta> \n");
+		exit(0);
+}
+        if( (sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0 ){
+			printf("socket error\n");
+			exit(0);
+}
+	bzero(&servaddr, sizeof(servaddr));
+	servaddr.sin_family = AF_INET;
+        servaddr.sin_port = htons(atoi(argv[2])); /* server port */ 
+
+        if (inet_pton(AF_INET, argv[1], &servaddr.sin_addr) <= 0){
+                printf("inet_pton error for %s\n", argv[1]);
+		exit(0);
+}
+	if (connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr)) < 0){
+		printf("connect error\n");
+		exit(0);
+	}
+	exit(0);
+}
diff --git a/7.client-server_recursive/daytimecli.o b/7.client-server_recursive/daytimecli.o
new file mode 100644
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GIT binary patch
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literal 0
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diff --git a/7.client-server_recursive/daytimesrv.c b/7.client-server_recursive/daytimesrv.c
new file mode 100644
index 0000000..aa7ea6f
--- /dev/null
+++ b/7.client-server_recursive/daytimesrv.c
@@ -0,0 +1,66 @@
+
+#include	"../basic.h"
+#include	<time.h>
+
+int main(int argc, char **argv) {
+	
+	
+	int			listenfd, connfd, n;
+	struct sockaddr_in	servaddr;
+	char			buff[INET_ADDRSTRLEN];
+	short port;
+
+	if (argc != 2 ){
+		printf("usage: daytimesrv <porta>\n");
+		exit(0);
+}
+	if( (listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0){
+		printf("socket error\n");
+		exit(0);
+}
+	servaddr.sin_family      = AF_INET;
+	servaddr.sin_addr.s_addr = htonl(INADDR_ANY);   /* wildcard address */
+	servaddr.sin_port        = htons(atoi(argv[1])); /* server port */
+
+	if( (bind(listenfd, (struct sockaddr *) &servaddr, sizeof(servaddr))) < 0){
+		printf("bind error\n"); exit(0);
+}
+	if( listen(listenfd, 5) < 0 )
+		{ printf("listen error\n");
+		  exit(0);
+		}
+
+	struct sockaddr_in	client_addr;
+	unsigned int client_addr_len = sizeof(client_addr);
+
+	for ( ; ; ) {
+		if( (connfd = accept(listenfd, (struct sockaddr *) &client_addr, &client_addr_len)) < 0)
+		{ printf("accept error\n");
+		exit(0);
+		}
+		
+		int split = fork();
+		
+		if ( split < 0) {
+			printf("fork for iterative server failed\n");
+			exit(-1);
+		}
+		
+		if (split == 0){
+			close(listenfd);
+			
+			inet_ntop(AF_INET, &(client_addr.sin_addr), buff, INET_ADDRSTRLEN); // get client address
+			port = ntohs(client_addr.sin_port);// get client port
+			fprintf (stdout,"%s%c%hu\n",buff,':',port);
+			exit(0);
+			
+		} else {
+			
+			printf("connection managed by a child process\n");
+			close(connfd);
+		}
+		
+		
+
+	}
+}
diff --git a/7.client-server_recursive/daytimesrv.c~ b/7.client-server_recursive/daytimesrv.c~
new file mode 100644
index 0000000..5a71bf1
--- /dev/null
+++ b/7.client-server_recursive/daytimesrv.c~
@@ -0,0 +1,41 @@
+/* stampa l'ip del client */
+
+#include	"../basic.h"
+#include	<time.h>
+
+int main(int argc, char **argv) {
+	int			listenfd, connfd, n;
+	struct sockaddr_in	servaddr;
+	char			buff[MAXLINE];
+	time_t			ticks;
+
+	if (argc != 2 ){
+		printf("usage: daytimesrv <porta>\n");
+		exit(0);
+}
+	if( (listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0){
+		printf("socket error\n");
+		exit(0);
+}
+	bzero(&servaddr, sizeof(servaddr));
+	servaddr.sin_family      = AF_INET;
+	servaddr.sin_addr.s_addr = htonl(INADDR_ANY);   /* wildcard address */
+	servaddr.sin_port        = htons(atoi(argv[1])); /* server port */
+
+	if( (bind(listenfd, (struct sockaddr *) &servaddr, sizeof(servaddr))) < 0){
+		printf("bind error\n"); exit(0);
+}
+	if( listen(listenfd, 5) < 0 )
+		{ printf("listen error\n");
+		  exit(0);
+}
+	for ( ; ; ) {
+		if( (connfd = accept(listenfd, (struct sockaddr *) NULL, NULL)) < 0)
+		{ printf("accept error\n"); exit(0);} else {
+		}
+
+		n=read(connfd, buff, MAXLINE);
+		fprintf (stdout,%s\n,buff);
+		close(connfd);
+	}
+}
diff --git a/7.client-server_recursive/daytimesrv.o b/7.client-server_recursive/daytimesrv.o
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diff --git a/7.client-server_recursive/makefile b/7.client-server_recursive/makefile
new file mode 100644
index 0000000..16fdd6d
--- /dev/null
+++ b/7.client-server_recursive/makefile
@@ -0,0 +1,9 @@
+all : server client
+server : daytimesrv.o ../fun-corso-reti.o
+	gcc -o server daytimesrv.o ../fun-corso-reti.o
+client : daytimecli.o ../fun-corso-reti.o
+	gcc -o client daytimecli.o ../fun-corso-reti.o
+daytimesrv.o : daytimesrv.c ../basic.h
+	gcc -c -o daytimesrv.o daytimesrv.c
+fun-corso-reti.o : ../fun-corso-reti.c ../basic.h
+	gcc -c -o ../fun-corso-reti.o ../fun-corso-reti.c
diff --git a/7.client-server_recursive/makefile~ b/7.client-server_recursive/makefile~
new file mode 100644
index 0000000..ed76715
--- /dev/null
+++ b/7.client-server_recursive/makefile~
@@ -0,0 +1,8 @@
+server : daytimesrv.o ../fun-corso-reti.o
+	gcc -o server daytimesrv.o ../fun-corso-reti.o
+client : daytimecli.o ../fun-corso-reti.o
+	gcc -o client daytimecli.o ../fun-corso-reti.o
+daytimesrv.o : daytimesrv.c ../basic.h
+	gcc -c -o daytimesrv.o daytimesrv.c
+fun-corso-reti.o : ../fun-corso-reti.c ../basic.h
+	gcc -c -o ../fun-corso-reti.o ../fun-corso-reti.c
diff --git a/7.client-server_recursive/readme b/7.client-server_recursive/readme
new file mode 100644
index 0000000..79f5a9a
--- /dev/null
+++ b/7.client-server_recursive/readme
@@ -0,0 +1,3 @@
+il server attende una connessione dal client e stampa lip del client
+il server non blocca poiché e’ attivo in modo ricorsivo
+il client si connette soltanto al server
diff --git a/7.client-server_recursive/readme~ b/7.client-server_recursive/readme~
new file mode 100644
index 0000000..e69de29
diff --git a/7.client-server_recursive/server b/7.client-server_recursive/server
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diff --git a/8.client-server-echo/echocli.c b/9.client-server-echo/echocli.c
similarity index 100%
rename from 8.client-server-echo/echocli.c
rename to 9.client-server-echo/echocli.c
diff --git a/8.client-server-echo/echosrv.c b/9.client-server-echo/echosrv.c
similarity index 100%
rename from 8.client-server-echo/echosrv.c
rename to 9.client-server-echo/echosrv.c
diff --git a/8.client-server-echo/echosrv.c~ b/9.client-server-echo/echosrv.c~
similarity index 100%
rename from 8.client-server-echo/echosrv.c~
rename to 9.client-server-echo/echosrv.c~
diff --git a/8.client-server-echo/echosrv.o b/9.client-server-echo/echosrv.o
similarity index 100%
rename from 8.client-server-echo/echosrv.o
rename to 9.client-server-echo/echosrv.o
diff --git a/8.client-server-echo/makefile b/9.client-server-echo/makefile
similarity index 100%
rename from 8.client-server-echo/makefile
rename to 9.client-server-echo/makefile
diff --git a/8.client-server-echo/makefile~ b/9.client-server-echo/makefile~
similarity index 100%
rename from 8.client-server-echo/makefile~
rename to 9.client-server-echo/makefile~
diff --git a/8.client-server-echo/server b/9.client-server-echo/server
similarity index 100%
rename from 8.client-server-echo/server
rename to 9.client-server-echo/server