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      1 /* Copyright (c) 2012-2014, 2016, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #ifndef __MM_CAMERA_SOCKET_H__
     31 #define __MM_CAMERA_SOCKET_H__
     32 
     33 // System dependencies
     34 #define SOCKET_H <SYSTEM_HEADER_PREFIX/socket.h>
     35 #include SOCKET_H
     36 #define UN_H <SYSTEM_HEADER_PREFIX/un.h>
     37 #include UN_H
     38 
     39 // Camera dependencies
     40 #include "cam_types.h"
     41 
     42 typedef enum {
     43     MM_CAMERA_SOCK_TYPE_UDP,
     44     MM_CAMERA_SOCK_TYPE_TCP,
     45 } mm_camera_sock_type_t;
     46 
     47 typedef union {
     48     struct sockaddr addr;
     49     struct sockaddr_un addr_un;
     50 } mm_camera_sock_addr_t;
     51 
     52 int mm_camera_socket_create(int cam_id, mm_camera_sock_type_t sock_type);
     53 
     54 int mm_camera_socket_sendmsg(
     55   int fd,
     56   void *msg,
     57   size_t buf_size,
     58   int sendfd);
     59 
     60 int mm_camera_socket_bundle_sendmsg(
     61   int fd,
     62   void *msg,
     63   size_t buf_size,
     64   int sendfds[CAM_MAX_NUM_BUFS_PER_STREAM],
     65   int num_fds);
     66 
     67 int mm_camera_socket_recvmsg(
     68   int fd,
     69   void *msg,
     70   uint32_t buf_size,
     71   int *rcvdfd);
     72 
     73 void mm_camera_socket_close(int fd);
     74 
     75 #endif /*__MM_CAMERA_SOCKET_H__*/
     76 
     77