The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Command line access to services. |
| 3 | * |
| 4 | */ |
| 5 | |
Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 6 | #include <binder/Parcel.h> |
| 7 | #include <binder/ProcessState.h> |
| 8 | #include <binder/IServiceManager.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 9 | #include <utils/TextOutput.h> |
| 10 | |
| 11 | #include <getopt.h> |
| 12 | #include <stdlib.h> |
| 13 | #include <stdio.h> |
| 14 | #include <string.h> |
| 15 | #include <unistd.h> |
| 16 | #include <sys/time.h> |
| 17 | |
| 18 | using namespace android; |
| 19 | |
| 20 | void writeString16(Parcel& parcel, const char* string) |
| 21 | { |
| 22 | if (string != NULL) |
| 23 | { |
| 24 | parcel.writeString16(String16(string)); |
| 25 | } |
| 26 | else |
| 27 | { |
| 28 | parcel.writeInt32(-1); |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | // get the name of the generic interface we hold a reference to |
| 33 | static String16 get_interface_name(sp<IBinder> service) |
| 34 | { |
| 35 | if (service != NULL) { |
| 36 | Parcel data, reply; |
| 37 | status_t err = service->transact(IBinder::INTERFACE_TRANSACTION, data, &reply); |
| 38 | if (err == NO_ERROR) { |
| 39 | return reply.readString16(); |
| 40 | } |
| 41 | } |
| 42 | return String16(); |
| 43 | } |
| 44 | |
| 45 | static String8 good_old_string(const String16& src) |
| 46 | { |
| 47 | String8 name8; |
| 48 | char ch8[2]; |
| 49 | ch8[1] = 0; |
| 50 | for (unsigned j = 0; j < src.size(); j++) { |
| 51 | char16_t ch = src[j]; |
| 52 | if (ch < 128) ch8[0] = (char)ch; |
| 53 | name8.append(ch8); |
| 54 | } |
| 55 | return name8; |
| 56 | } |
| 57 | |
| 58 | int main(int argc, char* const argv[]) |
| 59 | { |
| 60 | sp<IServiceManager> sm = defaultServiceManager(); |
| 61 | fflush(stdout); |
| 62 | if (sm == NULL) { |
| 63 | aerr << "service: Unable to get default service manager!" << endl; |
| 64 | return 20; |
| 65 | } |
| 66 | |
| 67 | bool wantsUsage = false; |
| 68 | int result = 0; |
| 69 | |
| 70 | while (1) { |
| 71 | int ic = getopt(argc, argv, "h?"); |
| 72 | if (ic < 0) |
| 73 | break; |
| 74 | |
| 75 | switch (ic) { |
| 76 | case 'h': |
| 77 | case '?': |
| 78 | wantsUsage = true; |
| 79 | break; |
| 80 | default: |
| 81 | aerr << "service: Unknown option -" << ic << endl; |
| 82 | wantsUsage = true; |
| 83 | result = 10; |
| 84 | break; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | if (optind >= argc) { |
| 89 | wantsUsage = true; |
| 90 | } else if (!wantsUsage) { |
| 91 | if (strcmp(argv[optind], "check") == 0) { |
| 92 | optind++; |
| 93 | if (optind < argc) { |
| 94 | sp<IBinder> service = sm->checkService(String16(argv[optind])); |
| 95 | aout << "Service " << argv[optind] << |
| 96 | (service == NULL ? ": not found" : ": found") << endl; |
| 97 | } else { |
| 98 | aerr << "service: No service specified for check" << endl; |
| 99 | wantsUsage = true; |
| 100 | result = 10; |
| 101 | } |
| 102 | } |
| 103 | else if (strcmp(argv[optind], "list") == 0) { |
| 104 | Vector<String16> services = sm->listServices(); |
| 105 | aout << "Found " << services.size() << " services:" << endl; |
| 106 | for (unsigned i = 0; i < services.size(); i++) { |
| 107 | String16 name = services[i]; |
| 108 | sp<IBinder> service = sm->checkService(name); |
| 109 | aout << i |
| 110 | << "\t" << good_old_string(name) |
| 111 | << ": [" << good_old_string(get_interface_name(service)) << "]" |
| 112 | << endl; |
| 113 | } |
| 114 | } else if (strcmp(argv[optind], "call") == 0) { |
| 115 | optind++; |
| 116 | if (optind+1 < argc) { |
| 117 | int serviceArg = optind; |
| 118 | sp<IBinder> service = sm->checkService(String16(argv[optind++])); |
| 119 | String16 ifName = get_interface_name(service); |
| 120 | int32_t code = atoi(argv[optind++]); |
| 121 | if (service != NULL && ifName.size() > 0) { |
| 122 | Parcel data, reply; |
| 123 | |
| 124 | // the interface name is first |
| 125 | data.writeInterfaceToken(ifName); |
| 126 | |
| 127 | // then the rest of the call arguments |
| 128 | while (optind < argc) { |
| 129 | if (strcmp(argv[optind], "i32") == 0) { |
| 130 | optind++; |
| 131 | if (optind >= argc) { |
| 132 | aerr << "service: no integer supplied for 'i32'" << endl; |
| 133 | wantsUsage = true; |
| 134 | result = 10; |
| 135 | break; |
| 136 | } |
| 137 | data.writeInt32(atoi(argv[optind++])); |
| 138 | } else if (strcmp(argv[optind], "s16") == 0) { |
| 139 | optind++; |
| 140 | if (optind >= argc) { |
| 141 | aerr << "service: no string supplied for 's16'" << endl; |
| 142 | wantsUsage = true; |
| 143 | result = 10; |
| 144 | break; |
| 145 | } |
| 146 | data.writeString16(String16(argv[optind++])); |
| 147 | } else if (strcmp(argv[optind], "null") == 0) { |
| 148 | optind++; |
| 149 | data.writeStrongBinder(NULL); |
| 150 | } else if (strcmp(argv[optind], "intent") == 0) { |
| 151 | |
| 152 | char* action = NULL; |
| 153 | char* dataArg = NULL; |
| 154 | char* type = NULL; |
| 155 | int launchFlags = 0; |
| 156 | char* component = NULL; |
| 157 | int categoryCount = 0; |
| 158 | char* categories[16]; |
| 159 | |
| 160 | char* context1 = NULL; |
| 161 | |
| 162 | optind++; |
| 163 | |
| 164 | while (optind < argc) |
| 165 | { |
| 166 | char* key = strtok_r(argv[optind], "=", &context1); |
| 167 | char* value = strtok_r(NULL, "=", &context1); |
| 168 | |
| 169 | // we have reached the end of the XXX=XXX args. |
| 170 | if (key == NULL) break; |
| 171 | |
| 172 | if (strcmp(key, "action") == 0) |
| 173 | { |
| 174 | action = value; |
| 175 | } |
| 176 | else if (strcmp(key, "data") == 0) |
| 177 | { |
| 178 | dataArg = value; |
| 179 | } |
| 180 | else if (strcmp(key, "type") == 0) |
| 181 | { |
| 182 | type = value; |
| 183 | } |
| 184 | else if (strcmp(key, "launchFlags") == 0) |
| 185 | { |
| 186 | launchFlags = atoi(value); |
| 187 | } |
| 188 | else if (strcmp(key, "component") == 0) |
| 189 | { |
| 190 | component = value; |
| 191 | } |
| 192 | else if (strcmp(key, "categories") == 0) |
| 193 | { |
| 194 | char* context2 = NULL; |
| 195 | int categoryCount = 0; |
| 196 | categories[categoryCount] = strtok_r(value, ",", &context2); |
| 197 | |
| 198 | while (categories[categoryCount] != NULL) |
| 199 | { |
| 200 | categoryCount++; |
| 201 | categories[categoryCount] = strtok_r(NULL, ",", &context2); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | optind++; |
| 206 | } |
| 207 | |
| 208 | writeString16(data, action); |
| 209 | writeString16(data, dataArg); |
| 210 | writeString16(data, type); |
| 211 | data.writeInt32(launchFlags); |
| 212 | writeString16(data, component); |
| 213 | |
| 214 | if (categoryCount > 0) |
| 215 | { |
| 216 | data.writeInt32(categoryCount); |
| 217 | for (int i = 0 ; i < categoryCount ; i++) |
| 218 | { |
| 219 | writeString16(data, categories[i]); |
| 220 | } |
| 221 | } |
| 222 | else |
| 223 | { |
| 224 | data.writeInt32(0); |
| 225 | } |
| 226 | |
| 227 | // for now just set the extra field to be null. |
| 228 | data.writeInt32(-1); |
| 229 | } else { |
| 230 | aerr << "service: unknown option " << argv[optind] << endl; |
| 231 | wantsUsage = true; |
| 232 | result = 10; |
| 233 | break; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | service->transact(code, data, &reply); |
| 238 | aout << "Result: " << reply << endl; |
| 239 | } else { |
| 240 | aerr << "service: Service " << argv[serviceArg] |
| 241 | << " does not exist" << endl; |
| 242 | result = 10; |
| 243 | } |
| 244 | } else { |
| 245 | if (optind < argc) { |
| 246 | aerr << "service: No service specified for call" << endl; |
| 247 | } else { |
| 248 | aerr << "service: No code specified for call" << endl; |
| 249 | } |
| 250 | wantsUsage = true; |
| 251 | result = 10; |
| 252 | } |
| 253 | } else { |
| 254 | aerr << "service: Unknown command " << argv[optind] << endl; |
| 255 | wantsUsage = true; |
| 256 | result = 10; |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | if (wantsUsage) { |
| 261 | aout << "Usage: service [-h|-?]\n" |
| 262 | " service list\n" |
| 263 | " service check SERVICE\n" |
| 264 | " service call SERVICE CODE [i32 INT | s16 STR] ...\n" |
| 265 | "Options:\n" |
| 266 | " i32: Write the integer INT into the send parcel.\n" |
| 267 | " s16: Write the UTF-16 string STR into the send parcel.\n"; |
| 268 | // " intent: Write and Intent int the send parcel. ARGS can be\n" |
| 269 | // " action=STR data=STR type=STR launchFlags=INT component=STR categories=STR[,STR,...]\n"; |
| 270 | return result; |
| 271 | } |
| 272 | |
| 273 | return result; |
| 274 | } |
| 275 | |