Import sources from 2011-03-30 iso image

1 files changed, 210 insertions, 0 deletions

diff --git a/sys/src/cmd/unix/drawterm/kern/devip-posix.c b/sys/src/cmd/unix/drawterm/kern/devip-posix.c
new file mode 100755
index 000000000..7f6171e4e
--- /dev/null
+++ b/sys/src/cmd/unix/drawterm/kern/devip-posix.c
@@ -0,0 +1,210 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <netdb.h>
+
+#include "u.h"
+#include "lib.h"
+#include "dat.h"
+#include "fns.h"
+#include "error.h"
+
+#include "devip.h"
+
+#undef listen
+#undef accept
+#undef bind
+
+void
+osipinit(void)
+{
+	char buf[1024];
+	gethostname(buf, sizeof(buf));
+	kstrdup(&sysname, buf);
+
+}
+
+int
+so_socket(int type)
+{
+	int fd, one;
+
+	switch(type) {
+	default:
+		error("bad protocol type");
+	case S_TCP:
+		type = SOCK_STREAM;
+		break;
+	case S_UDP:
+		type = SOCK_DGRAM;
+		break;
+	}
+
+	fd = socket(AF_INET, type, 0);
+	if(fd < 0)
+		oserror();
+
+	one = 1;
+	if(setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char*)&one, sizeof(one)) > 0){
+		oserrstr();
+		print("setsockopt: %r");
+	}
+
+	return fd;
+}
+
+
+void
+so_connect(int fd, unsigned long raddr, unsigned short rport)
+{
+	struct sockaddr_in sin;
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	hnputs(&sin.sin_port, rport);
+	hnputl(&sin.sin_addr.s_addr, raddr);
+
+	if(connect(fd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
+		oserror();
+}
+
+void
+so_getsockname(int fd, unsigned long *laddr, unsigned short *lport)
+{
+	socklen_t len;
+	struct sockaddr_in sin;
+
+	len = sizeof(sin);
+	if(getsockname(fd, (struct sockaddr*)&sin, &len) < 0)
+		oserror();
+
+	if(sin.sin_family != AF_INET || len != sizeof(sin))
+		error("not AF_INET");
+
+	*laddr = nhgetl(&sin.sin_addr.s_addr);
+	*lport = nhgets(&sin.sin_port);
+}
+
+void
+so_listen(int fd)
+{
+	if(listen(fd, 5) < 0)
+		oserror();
+}
+
+int
+so_accept(int fd, unsigned long *raddr, unsigned short *rport)
+{
+	int nfd;
+	socklen_t len;
+	struct sockaddr_in sin;
+
+	len = sizeof(sin);
+	nfd = accept(fd, (struct sockaddr*)&sin, &len);
+	if(nfd < 0)
+		oserror();
+
+	if(sin.sin_family != AF_INET || len != sizeof(sin))
+		error("not AF_INET");
+
+	*raddr = nhgetl(&sin.sin_addr.s_addr);
+	*rport = nhgets(&sin.sin_port);
+	return nfd;
+}
+
+void
+so_bind(int fd, int su, unsigned short port)
+{
+	int i, one;
+	struct sockaddr_in sin;
+
+	one = 1;
+	if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&one, sizeof(one)) < 0){
+		oserrstr();
+		print("setsockopt: %r");
+	}
+
+	if(su) {
+		for(i = 600; i < 1024; i++) {
+			memset(&sin, 0, sizeof(sin));
+			sin.sin_family = AF_INET;
+			sin.sin_port = i;
+
+			if(bind(fd, (struct sockaddr*)&sin, sizeof(sin)) >= 0)	
+				return;
+		}
+		oserror();
+	}
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	hnputs(&sin.sin_port, port);
+
+	if(bind(fd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
+		oserror();
+}
+
+int
+so_gethostbyname(char *host, char**hostv, int n)
+{
+	int i;
+	char buf[32];
+	unsigned char *p;
+	struct hostent *hp;
+
+	hp = gethostbyname(host);
+	if(hp == 0)
+		return 0;
+
+	for(i = 0; hp->h_addr_list[i] && i < n; i++) {
+		p = (unsigned char*)hp->h_addr_list[i];
+		sprint(buf, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
+		hostv[i] = strdup(buf);
+		if(hostv[i] == 0)
+			break;
+	}
+	return i;
+}
+
+char*
+hostlookup(char *host)
+{
+	char buf[100];
+	uchar *p;
+	struct hostent *he;
+
+	he = gethostbyname(host);
+	if(he != 0 && he->h_addr_list[0]) {
+		p = (uchar*)he->h_addr_list[0];
+		sprint(buf, "%ud.%ud.%ud.%ud", p[0], p[1], p[2], p[3]);
+	} else
+		strcpy(buf, host);
+
+	return strdup(buf);
+}
+
+int
+so_getservbyname(char *service, char *net, char *port)
+{
+	struct servent *s;
+
+	s = getservbyname(service, net);
+	if(s == 0)
+		return -1;
+
+	sprint(port, "%d", nhgets(&s->s_port));
+	return 0;
+}
+
+int
+so_send(int fd, void *d, int n, int f)
+{
+	return send(fd, d, n, f);
+}
+
+int
+so_recv(int fd, void *d, int n, int f)
+{
+	return recv(fd, d, n, f);
+}