moved veejay-devel to veejay-current (current branch re-opened)

git-svn-id: svn://code.dyne.org/veejay/trunk@510 eb8d1916-c9e9-0310-b8de-cf0c9472ead5

veejay-current/libvjnet/cmd.c

@@ -0,0 +1,156 @@
+/* vjnet - low level network I/O for VeeJay
+ *
+ *           (C) 2005 Niels Elburg <nelburg@looze.net> 
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include "cmd.h"
+#include <libvjmsg/vj-common.h>
+
+vj_sock_t	*alloc_sock_t(void)
+{
+	vj_sock_t *s = (vj_sock_t*) malloc(sizeof(vj_sock_t));
+	if(!s) return NULL;
+	return s;
+}
+
+void		sock_t_free(vj_sock_t *s )
+{
+	if(s) free(s);
+}
+
+int			sock_t_connect( vj_sock_t *s, char *host, int port )
+{
+	s->he = gethostbyname( host );
+	if(s->he==NULL)
+		return 0;
+	s->sock_fd = socket( AF_INET, SOCK_STREAM , 0);
+	if(s->sock_fd < 0)
+	{
+		veejay_msg(VEEJAY_MSG_ERROR, "%s", strerror(errno));
+		return 0;
+	}
+	s->port_num = port;
+	s->addr.sin_family = AF_INET;
+	s->addr.sin_port   = htons( port );
+	s->addr.sin_addr   = *( (struct in_addr*) s->he->h_addr );	
+
+	if( connect( s->sock_fd, (struct sockaddr*) &s->addr,
+			sizeof( struct sockaddr )) == -1 )
+	{
+		veejay_msg(VEEJAY_MSG_ERROR, "%s", strerror(errno));
+		return 0;
+	}
+	return 1;
+}
+
+int                     sock_t_poll_w( vj_sock_t *s )
+{
+        int     status;
+        fd_set  fds;
+        struct timeval no_wait;
+        memset( &no_wait, 0, sizeof(no_wait) );
+
+        FD_ZERO( &fds );
+        FD_SET( s->sock_fd, &fds );
+
+        status = select( s->sock_fd + 1, 0,&fds, 0, &no_wait );
+        if( status < 0 )
+        {
+                veejay_msg(VEEJAY_MSG_ERROR, "%s", strerror(errno));
+                return 0;
+        }
+	
+        if( FD_ISSET( s->sock_fd, &fds ) )
+        {
+                return 1;
+        }
+        return 0;
+}
+        
+	
+
+int			sock_t_poll( vj_sock_t *s )
+{
+	int	status;
+	fd_set	fds;
+	struct timeval no_wait;
+	memset( &no_wait, 0, sizeof(no_wait) );
+
+	FD_ZERO( &fds );
+	FD_SET( s->sock_fd, &fds );
+
+	status = select( s->sock_fd + 1, &fds, 0, 0, &no_wait );
+	if( status < 0 )
+	{
+		veejay_msg(VEEJAY_MSG_ERROR, "%s", strerror(errno));
+		return 0;
+	}
+	if( FD_ISSET( s->sock_fd, &fds ) )
+	{
+		return 1;
+	}
+	return 0;
+}
+
+int			sock_t_recv_w( vj_sock_t *s, void *dst, int len )
+{
+	int n = recv( s->sock_fd, dst, len, MSG_WAITALL );
+	if(n==-1)
+	{
+		veejay_msg(VEEJAY_MSG_ERROR, "%s", strerror(errno));
+		return -1;
+	}
+	return n;
+}
+
+int			sock_t_recv( vj_sock_t *s, void *dst, int len )
+{
+	int n = recv( s->sock_fd, dst, len , MSG_WAITALL  );
+	if(n==-1)
+	{
+		veejay_msg(VEEJAY_MSG_ERROR, "%s", strerror(errno));
+		return -1;
+	}
+	return n;
+}
+
+int			sock_t_send( vj_sock_t *s, unsigned char *buf, int len )
+{
+	int n; 
+	if(!buf) return 0;
+
+	n = send( s->sock_fd, buf, len , 0 );
+	if(n == -1)
+	{
+		veejay_msg(VEEJAY_MSG_ERROR, "send: %s", strerror(errno));
+		return 0;
+	}
+	return n;
+}
+
+void			sock_t_close( vj_sock_t *s )
+{
+	if(s)
+	{
+		close(s->sock_fd);
+	}
+}