1 /*
2 * Copyright 2016 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 /*
18 * Replayer - Main.cpp
19 *
20 * 1. Get flags from command line
21 * 2. Commit actions or settings based on the flags
22 * 3. Initalize a replayer object with the filename passed in
23 * 4. Replay
24 * 5. Exit successfully or print error statement
25 */
26
27 #include <Replayer.h>
28
29 #include <csignal>
30 #include <iostream>
31 #include <stdlib.h>
32 #include <unistd.h>
33
34 using namespace android;
35
printHelpMenu()36 void printHelpMenu() {
37 std::cout << "SurfaceReplayer options:\n";
38 std::cout << "Usage: surfacereplayer [OPTIONS...] <TRACE FILE>\n";
39 std::cout << " File path must be absolute" << std::endl << std::endl;
40
41 std::cout << " -m Stops the replayer at the start of the trace and switches ";
42 "to manual replay\n";
43
44 std::cout << "\n -t [Number of Threads] Specifies the number of threads to be used while "
45 "replaying (default is " << android::DEFAULT_THREADS << ")\n";
46
47 std::cout << "\n -s [Timestamp] Specify at what timestamp should the replayer switch "
48 "to manual replay\n";
49
50 std::cout << " -n Ignore timestamps and run through trace as fast as possible\n";
51
52 std::cout << " -l Indefinitely loop the replayer\n";
53
54 std::cout << " -h Display help menu\n";
55
56 std::cout << std::endl;
57 }
58
main(int argc,char ** argv)59 int main(int argc, char** argv) {
60 std::string filename;
61 bool loop = false;
62 bool wait = true;
63 bool pauseBeginning = false;
64 int numThreads = DEFAULT_THREADS;
65 long stopHere = -1;
66
67 int opt = 0;
68 while ((opt = getopt(argc, argv, "mt:s:nlh?")) != -1) {
69 switch (opt) {
70 case 'm':
71 pauseBeginning = true;
72 break;
73 case 't':
74 numThreads = atoi(optarg);
75 break;
76 case 's':
77 stopHere = atol(optarg);
78 break;
79 case 'n':
80 wait = false;
81 break;
82 case 'l':
83 loop = true;
84 break;
85 case 'h':
86 case '?':
87 printHelpMenu();
88 exit(0);
89 default:
90 std::cerr << "Invalid argument...exiting" << std::endl;
91 printHelpMenu();
92 exit(0);
93 }
94 }
95
96 char** input = argv + optind;
97 if (input[0] == nullptr) {
98 std::cerr << "No trace file provided...exiting" << std::endl;
99 abort();
100 }
101 filename.assign(input[0]);
102
103 status_t status = NO_ERROR;
104 do {
105 android::Replayer r(filename, pauseBeginning, numThreads, wait, stopHere);
106 status = r.replay();
107 } while(loop);
108
109 if (status == NO_ERROR) {
110 std::cout << "Successfully finished replaying trace" << std::endl;
111 } else {
112 std::cerr << "Trace replayer returned error: " << status << std::endl;
113 }
114
115 return 0;
116 }
117