1 /*
2 * Copyright 2008, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #define LOG_TAG "wds"
27 #include "config.h"
28
29 #include "Command.h"
30 #include "Connection.h"
31 #include "DebugServer.h"
32 #include "wtf/MainThread.h"
33 #include "wtf/Threading.h"
34 #include <arpa/inet.h>
35 #include <cutils/properties.h>
36 #include <errno.h>
37 #include <string.h>
38 #include <sys/socket.h>
39 #include <sys/types.h>
40 #include <utils/Log.h>
41
42 #if ENABLE(WDS)
43
44 #define DEFAULT_PORT 9999
45 #define log_errno(x) ALOGE("%s: %d", x, strerror(errno))
46
47 namespace android {
48
49 namespace WDS {
50
51 static DebugServer* s_server = NULL;
52
53 // Main thread function for createThread
mainThread(void * v)54 static void* mainThread(void* v) {
55 DebugServer* server = static_cast<DebugServer*>(v);
56 server->start();
57 delete server;
58 s_server = NULL;
59 return NULL;
60 }
61
server()62 DebugServer* server() {
63 if (s_server == NULL)
64 s_server = new DebugServer();
65 return s_server;
66 }
67
DebugServer()68 DebugServer::DebugServer() {
69 // Read webcore.wds.enable to determine if the debug server should run
70 char buf[PROPERTY_VALUE_MAX];
71 int ret = property_get("webcore.wds.enable", buf, NULL);
72 if (ret != -1 && strcmp(buf, "1") == 0) {
73 ALOGD("WDS Enabled");
74 m_threadId = createThread(mainThread, this, "WDS");
75 }
76 // Initialize the available commands.
77 Command::Init();
78 }
79
start()80 void DebugServer::start() {
81 ALOGD("DebugServer thread started");
82
83 ConnectionServer cs;
84 if (!cs.connect(DEFAULT_PORT)) {
85 ALOGE("Failed to start the server socket connection");
86 return;
87 }
88
89 while (true ) {
90 ALOGD("Waiting for incoming connections...");
91 Connection* conn = cs.accept();
92 if (!conn) {
93 log_errno("Failed to accept new connections");
94 return;
95 }
96 ALOGD("...Connection established");
97
98 Command* c = Command::Find(conn);
99 if (!c) {
100 ALOGE("Could not find matching command");
101 delete conn;
102 } else {
103 // Dispatch the command, it will handle cleaning up the connection
104 // when finished.
105 c->dispatch();
106 }
107 }
108
109 ALOGD("DebugServer thread finished");
110 }
111
112 } // end namespace WDS
113
114 } // end namespace android
115
116 #endif
117