From: Philip Homburg <philip@cs.vu.nl>
Date: Thu, 25 Aug 2005 15:10:57 +0000 (+0000)
Subject: Added getsockname and getsockopt.
X-Git-Tag: v3.1.0~273
X-Git-Url: http://zhaoyanbai.com/repos/man.named.html?a=commitdiff_plain;h=b5abc91add0cf21575adc03cca3bbeb5b4104d7e;p=minix.git

Added getsockname and getsockopt.
---

diff --git a/lib/ip/Makefile b/lib/ip/Makefile
index 1634f1feb..caf42e9b8 100755
--- a/lib/ip/Makefile
+++ b/lib/ip/Makefile
@@ -31,6 +31,8 @@ OBJECTS	= \
 	$(LIBRARY)(getproto.o) \
 	$(LIBRARY)(getprotoent.o) \
 	$(LIBRARY)(getservent.o) \
+	$(LIBRARY)(getsockname.o) \
+	$(LIBRARY)(getsockopt.o) \
 	$(LIBRARY)(getsrvbyname.o) \
 	$(LIBRARY)(getsrvbyport.o) \
 	$(LIBRARY)(hton.o) \
@@ -124,6 +126,12 @@ $(LIBRARY)(getprotoent.o):	getprotoent.c
 $(LIBRARY)(getservent.o):	getservent.c
 	$(CC1) getservent.c
 
+$(LIBRARY)(getsockname.o):	getsockname.c
+	$(CC1) getsockname.c
+
+$(LIBRARY)(getsockopt.o):	getsockopt.c
+	$(CC1) getsockopt.c
+
 $(LIBRARY)(getsrvbyname.o):	getsrvbyname.c
 	$(CC1) getsrvbyname.c
 
diff --git a/lib/ip/getsockname.c b/lib/ip/getsockname.c
new file mode 100644
index 000000000..a58f97175
--- /dev/null
+++ b/lib/ip/getsockname.c
@@ -0,0 +1,63 @@
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <net/gen/in.h>
+#include <net/gen/tcp.h>
+#include <net/gen/tcp_io.h>
+#include <net/gen/udp.h>
+#include <net/gen/udp_io.h>
+
+#define DEBUG 0
+
+static int _tcp_getsockname(int socket, struct sockaddr *_RESTRICT address,
+	socklen_t *_RESTRICT address_len, nwio_tcpconf_t *tcpconfp);
+
+int getsockname(int socket, struct sockaddr *_RESTRICT address,
+	socklen_t *_RESTRICT address_len)
+{
+	int r;
+	nwio_tcpconf_t tcpconf;
+
+	r= ioctl(socket, NWIOGTCPCONF, &tcpconf);
+	if (r != -1 || errno != ENOTTY)
+	{
+		if (r == -1)
+		{
+			/* Bad file descriptor */
+			return -1;
+		}
+		return _tcp_getsockname(socket, address, address_len,
+			&tcpconf);
+	}
+
+#if DEBUG
+	fprintf(stderr, "getsockname: not implemented for fd %d\n", socket);
+#endif
+	errno= ENOSYS;
+	return -1;
+}
+
+static int _tcp_getsockname(int socket, struct sockaddr *_RESTRICT address,
+	socklen_t *_RESTRICT address_len, nwio_tcpconf_t *tcpconfp)
+{
+	socklen_t len;
+	struct sockaddr_in sin;
+
+	memset(&sin, '\0', sizeof(sin));
+	sin.sin_family= AF_INET;
+	sin.sin_addr.s_addr= tcpconfp->nwtc_locaddr;
+	sin.sin_port= tcpconfp->nwtc_locport;
+
+	len= *address_len;
+	if (len > sizeof(sin))
+		len= sizeof(sin);
+	memcpy(address, &sin, len);
+	*address_len= len;
+
+	return 0;
+}
+
diff --git a/lib/ip/getsockopt.c b/lib/ip/getsockopt.c
new file mode 100644
index 000000000..9994f56d1
--- /dev/null
+++ b/lib/ip/getsockopt.c
@@ -0,0 +1,66 @@
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+#include <net/gen/in.h>
+#include <net/gen/tcp.h>
+#include <net/gen/tcp_io.h>
+
+#define DEBUG 0
+
+static int _tcp_getsockopt(int socket, int level, int option_name,
+	void *_RESTRICT option_value, socklen_t *_RESTRICT option_len);
+
+int getsockopt(int socket, int level, int option_name,
+        void *_RESTRICT option_value, socklen_t *_RESTRICT option_len)
+{
+	int r;
+	nwio_tcpopt_t tcpopt;
+
+	r= ioctl(socket, NWIOGTCPOPT, &tcpopt);
+	if (r != -1 || errno != ENOTTY)
+	{
+		if (r == -1)
+		{
+			/* Bad file descriptor */
+			return -1;
+		}
+		return _tcp_getsockopt(socket, level, option_name,
+			option_value, option_len);
+	}
+
+#if DEBUG
+	fprintf(stderr, "getsockopt: not implemented for fd %d\n", socket);
+#endif
+	errno= ENOSYS;
+	return -1;
+}
+
+static int _tcp_getsockopt(int socket, int level, int option_name,
+	void *_RESTRICT option_value, socklen_t *_RESTRICT option_len)
+{
+	int i;
+
+	if (level == SOL_SOCKET && option_name == SO_KEEPALIVE)
+	{
+		i= 1;	/* Keepalive is always on */
+		if (*option_len < sizeof(i))
+			memcpy(option_value, &i, *option_len);
+		else
+			memcpy(option_value, &i, sizeof(i));
+		*option_len= sizeof(i);
+		return 0;
+	}
+#if DEBUG
+	fprintf(stderr, "_tcp_getsocketopt: level %d, name %d\n",
+		level, option_name);
+#endif
+
+	errno= ENOSYS;
+	return -1;
+}
+
diff --git a/lib/ip/setsockopt.c b/lib/ip/setsockopt.c
index f6ddff06d..905ea9b94 100644
--- a/lib/ip/setsockopt.c
+++ b/lib/ip/setsockopt.c
@@ -62,9 +62,12 @@ static int _tcp_setsockopt(int socket, int level, int option_name,
 		}
 		return 0;
 	}
+#if DEBUG
 	fprintf(stderr, "_tcp_setsocketopt: level %d, name %d\n",
 		level, option_name);
+#endif
 
-	assert(0);
+	errno= ENOSYS;
+	return -1;
 }