1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "rsFifoSocket.h"
18 #include "utils/Timers.h"
19 #include "utils/StopWatch.h"
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <ctype.h>
24 #include <unistd.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27
28 using namespace android;
29 using namespace android::renderscript;
30
FifoSocket()31 FifoSocket::FifoSocket() {
32 sequence = 1;
33 }
34
~FifoSocket()35 FifoSocket::~FifoSocket() {
36
37 }
38
init()39 bool FifoSocket::init() {
40 int ret = socketpair(AF_UNIX, SOCK_STREAM, 0, sv);
41 return false;
42 }
43
shutdown()44 void FifoSocket::shutdown() {
45 }
46
writeAsync(const void * data,size_t bytes)47 void FifoSocket::writeAsync(const void *data, size_t bytes) {
48 if (bytes == 0) {
49 return;
50 }
51 //LOGE("writeAsync %p %i", data, bytes);
52 size_t ret = ::send(sv[0], data, bytes, 0);
53 //LOGE("writeAsync ret %i", ret);
54 rsAssert(ret == bytes);
55 }
56
writeWaitReturn(void * retData,size_t retBytes)57 void FifoSocket::writeWaitReturn(void *retData, size_t retBytes) {
58 //LOGE("writeWaitReturn %p %i", retData, retBytes);
59 size_t ret = ::recv(sv[0], retData, retBytes, 0);
60 //LOGE("writeWaitReturn %i", ret);
61 rsAssert(ret == retBytes);
62 }
63
read(void * data,size_t bytes)64 size_t FifoSocket::read(void *data, size_t bytes) {
65 //LOGE("read %p %i", data, bytes);
66 size_t ret = ::recv(sv[1], data, bytes, 0);
67 rsAssert(ret == bytes);
68 //LOGE("read ret %i", ret);
69 return ret;
70 }
71
readReturn(const void * data,size_t bytes)72 void FifoSocket::readReturn(const void *data, size_t bytes) {
73 LOGE("readReturn %p %Zu", data, bytes);
74 size_t ret = ::send(sv[1], data, bytes, 0);
75 LOGE("readReturn %Zu", ret);
76 rsAssert(ret == bytes);
77 }
78
79
flush()80 void FifoSocket::flush() {
81 }
82
83
84