San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | #include <errno.h> |
San Mehat | 3d40729 | 2009-05-07 08:49:30 -0700 | [diff] [blame] | 17 | #include <string.h> |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 18 | |
| 19 | #define LOG_TAG "FrameworkListener" |
| 20 | |
| 21 | #include <cutils/log.h> |
| 22 | |
| 23 | #include <sysutils/FrameworkListener.h> |
| 24 | #include <sysutils/FrameworkCommand.h> |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 25 | #include <sysutils/SocketClient.h> |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 26 | |
| 27 | FrameworkListener::FrameworkListener(const char *socketName) : |
| 28 | SocketListener(socketName, true) { |
| 29 | mCommands = new FrameworkCommandCollection(); |
| 30 | } |
| 31 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 32 | bool FrameworkListener::onDataAvailable(SocketClient *c) { |
San Mehat | d768066 | 2009-05-12 11:16:59 -0700 | [diff] [blame] | 33 | char buffer[255]; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 34 | int len; |
| 35 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 36 | if ((len = read(c->getSocket(), buffer, sizeof(buffer) -1)) < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame^] | 37 | SLOGE("read() failed (%s)", strerror(errno)); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 38 | return errno; |
San Mehat | c73a3a5 | 2009-06-15 14:06:03 -0700 | [diff] [blame] | 39 | } else if (!len) |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 40 | return false; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 41 | |
San Mehat | d768066 | 2009-05-12 11:16:59 -0700 | [diff] [blame] | 42 | int offset = 0; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 43 | int i; |
| 44 | |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 45 | for (i = 0; i < len; i++) { |
San Mehat | c73a3a5 | 2009-06-15 14:06:03 -0700 | [diff] [blame] | 46 | if (buffer[i] == '\0') { |
San Mehat | d768066 | 2009-05-12 11:16:59 -0700 | [diff] [blame] | 47 | dispatchCommand(c, buffer + offset); |
| 48 | offset = i + 1; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 49 | } |
| 50 | } |
| 51 | return true; |
| 52 | } |
| 53 | |
| 54 | void FrameworkListener::registerCmd(FrameworkCommand *cmd) { |
| 55 | mCommands->push_back(cmd); |
| 56 | } |
| 57 | |
San Mehat | c73a3a5 | 2009-06-15 14:06:03 -0700 | [diff] [blame] | 58 | void FrameworkListener::dispatchCommand(SocketClient *cli, char *data) { |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 59 | FrameworkCommandCollection::iterator i; |
| 60 | int argc = 0; |
San Mehat | c73a3a5 | 2009-06-15 14:06:03 -0700 | [diff] [blame] | 61 | char *argv[FrameworkListener::CMD_ARGS_MAX]; |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 62 | char tmp[255]; |
| 63 | char *p = data; |
| 64 | char *q = tmp; |
| 65 | bool esc = false; |
| 66 | bool quote = false; |
| 67 | int k; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 68 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 69 | memset(argv, 0, sizeof(argv)); |
| 70 | memset(tmp, 0, sizeof(tmp)); |
| 71 | while(*p) { |
| 72 | if (*p == '\\') { |
| 73 | if (esc) { |
| 74 | *q++ = '\\'; |
| 75 | esc = false; |
| 76 | } else |
| 77 | esc = true; |
| 78 | p++; |
| 79 | continue; |
| 80 | } else if (esc) { |
| 81 | if (*p == '"') |
| 82 | *q++ = '"'; |
| 83 | else if (*p == '\\') |
| 84 | *q++ = '\\'; |
| 85 | else { |
| 86 | cli->sendMsg(500, "Unsupported escape sequence", false); |
| 87 | goto out; |
| 88 | } |
| 89 | p++; |
| 90 | esc = false; |
| 91 | continue; |
| 92 | } |
San Mehat | c73a3a5 | 2009-06-15 14:06:03 -0700 | [diff] [blame] | 93 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 94 | if (*p == '"') { |
| 95 | if (quote) |
| 96 | quote = false; |
| 97 | else |
| 98 | quote = true; |
| 99 | p++; |
| 100 | continue; |
| 101 | } |
| 102 | |
| 103 | *q = *p++; |
| 104 | if (!quote && *q == ' ') { |
| 105 | *q = '\0'; |
| 106 | argv[argc++] = strdup(tmp); |
| 107 | memset(tmp, 0, sizeof(tmp)); |
| 108 | q = tmp; |
| 109 | continue; |
| 110 | } |
| 111 | q++; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 112 | } |
| 113 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 114 | argv[argc++] = strdup(tmp); |
| 115 | #if 0 |
| 116 | for (k = 0; k < argc; k++) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame^] | 117 | SLOGD("arg[%d] = '%s'", k, argv[k]); |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 118 | } |
| 119 | #endif |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 120 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 121 | if (quote) { |
| 122 | cli->sendMsg(500, "Unclosed quotes error", false); |
| 123 | goto out; |
| 124 | } |
| 125 | |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 126 | for (i = mCommands->begin(); i != mCommands->end(); ++i) { |
| 127 | FrameworkCommand *c = *i; |
| 128 | |
San Mehat | c73a3a5 | 2009-06-15 14:06:03 -0700 | [diff] [blame] | 129 | if (!strcmp(argv[0], c->getCommand())) { |
| 130 | if (c->runCommand(cli, argc, argv)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame^] | 131 | SLOGW("Handler '%s' error (%s)", c->getCommand(), strerror(errno)); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 132 | } |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 133 | goto out; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 134 | } |
| 135 | } |
| 136 | |
San Mehat | d768066 | 2009-05-12 11:16:59 -0700 | [diff] [blame] | 137 | cli->sendMsg(500, "Command not recognized", false); |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 138 | out: |
| 139 | int j; |
| 140 | for (j = 0; j < argc; j++) |
| 141 | free(argv[j]); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 142 | return; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 143 | } |