|  | /* | 
|  | * Copyright 2013 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | #include <binder/Parcel.h> | 
|  | #include <binder/ProcessState.h> | 
|  | #include <binder/IServiceManager.h> | 
|  | #include <binder/TextOutput.h> | 
|  |  | 
|  | #include <getopt.h> | 
|  | #include <stdlib.h> | 
|  | #include <stdio.h> | 
|  | #include <string.h> | 
|  | #include <unistd.h> | 
|  | #include <sys/time.h> | 
|  |  | 
|  | using namespace android; | 
|  |  | 
|  | void writeString16(Parcel& parcel, const char* string) | 
|  | { | 
|  | if (string != NULL) | 
|  | { | 
|  | parcel.writeString16(String16(string)); | 
|  | } | 
|  | else | 
|  | { | 
|  | parcel.writeInt32(-1); | 
|  | } | 
|  | } | 
|  |  | 
|  | // get the name of the generic interface we hold a reference to | 
|  | static String16 get_interface_name(sp<IBinder> service) | 
|  | { | 
|  | if (service != NULL) { | 
|  | Parcel data, reply; | 
|  | status_t err = service->transact(IBinder::INTERFACE_TRANSACTION, data, &reply); | 
|  | if (err == NO_ERROR) { | 
|  | return reply.readString16(); | 
|  | } | 
|  | } | 
|  | return String16(); | 
|  | } | 
|  |  | 
|  | static String8 good_old_string(const String16& src) | 
|  | { | 
|  | String8 name8; | 
|  | char ch8[2]; | 
|  | ch8[1] = 0; | 
|  | for (unsigned j = 0; j < src.size(); j++) { | 
|  | char16_t ch = src[j]; | 
|  | if (ch < 128) ch8[0] = (char)ch; | 
|  | name8.append(ch8); | 
|  | } | 
|  | return name8; | 
|  | } | 
|  |  | 
|  | int main(int argc, char* const argv[]) | 
|  | { | 
|  | sp<IServiceManager> sm = defaultServiceManager(); | 
|  | fflush(stdout); | 
|  | if (sm == NULL) { | 
|  | aerr << "service: Unable to get default service manager!" << endl; | 
|  | return 20; | 
|  | } | 
|  |  | 
|  | bool wantsUsage = false; | 
|  | int result = 0; | 
|  |  | 
|  | while (1) { | 
|  | int ic = getopt(argc, argv, "h?"); | 
|  | if (ic < 0) | 
|  | break; | 
|  |  | 
|  | switch (ic) { | 
|  | case 'h': | 
|  | case '?': | 
|  | wantsUsage = true; | 
|  | break; | 
|  | default: | 
|  | aerr << "service: Unknown option -" << ic << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (optind >= argc) { | 
|  | wantsUsage = true; | 
|  | } else if (!wantsUsage) { | 
|  | if (strcmp(argv[optind], "check") == 0) { | 
|  | optind++; | 
|  | if (optind < argc) { | 
|  | sp<IBinder> service = sm->checkService(String16(argv[optind])); | 
|  | aout << "Service " << argv[optind] << | 
|  | (service == NULL ? ": not found" : ": found") << endl; | 
|  | } else { | 
|  | aerr << "service: No service specified for check" << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | } | 
|  | } | 
|  | else if (strcmp(argv[optind], "list") == 0) { | 
|  | Vector<String16> services = sm->listServices(); | 
|  | aout << "Found " << services.size() << " services:" << endl; | 
|  | for (unsigned i = 0; i < services.size(); i++) { | 
|  | String16 name = services[i]; | 
|  | sp<IBinder> service = sm->checkService(name); | 
|  | aout << i | 
|  | << "\t" << good_old_string(name) | 
|  | << ": [" << good_old_string(get_interface_name(service)) << "]" | 
|  | << endl; | 
|  | } | 
|  | } else if (strcmp(argv[optind], "call") == 0) { | 
|  | optind++; | 
|  | if (optind+1 < argc) { | 
|  | int serviceArg = optind; | 
|  | sp<IBinder> service = sm->checkService(String16(argv[optind++])); | 
|  | String16 ifName = get_interface_name(service); | 
|  | int32_t code = atoi(argv[optind++]); | 
|  | if (service != NULL && ifName.size() > 0) { | 
|  | Parcel data, reply; | 
|  |  | 
|  | // the interface name is first | 
|  | data.writeInterfaceToken(ifName); | 
|  |  | 
|  | // then the rest of the call arguments | 
|  | while (optind < argc) { | 
|  | if (strcmp(argv[optind], "i32") == 0) { | 
|  | optind++; | 
|  | if (optind >= argc) { | 
|  | aerr << "service: no integer supplied for 'i32'" << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | data.writeInt32(atoi(argv[optind++])); | 
|  | } else if (strcmp(argv[optind], "i64") == 0) { | 
|  | optind++; | 
|  | if (optind >= argc) { | 
|  | aerr << "service: no integer supplied for 'i64'" << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | data.writeInt64(atoll(argv[optind++])); | 
|  | } else if (strcmp(argv[optind], "s16") == 0) { | 
|  | optind++; | 
|  | if (optind >= argc) { | 
|  | aerr << "service: no string supplied for 's16'" << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | data.writeString16(String16(argv[optind++])); | 
|  | } else if (strcmp(argv[optind], "f") == 0) { | 
|  | optind++; | 
|  | if (optind >= argc) { | 
|  | aerr << "service: no number supplied for 'f'" << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | data.writeFloat(atof(argv[optind++])); | 
|  | } else if (strcmp(argv[optind], "d") == 0) { | 
|  | optind++; | 
|  | if (optind >= argc) { | 
|  | aerr << "service: no number supplied for 'd'" << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | data.writeDouble(atof(argv[optind++])); | 
|  | } else if (strcmp(argv[optind], "null") == 0) { | 
|  | optind++; | 
|  | data.writeStrongBinder(NULL); | 
|  | } else if (strcmp(argv[optind], "intent") == 0) { | 
|  |  | 
|  | char* action = NULL; | 
|  | char* dataArg = NULL; | 
|  | char* type = NULL; | 
|  | int launchFlags = 0; | 
|  | char* component = NULL; | 
|  | int categoryCount = 0; | 
|  | char* categories[16]; | 
|  |  | 
|  | char* context1 = NULL; | 
|  |  | 
|  | optind++; | 
|  |  | 
|  | while (optind < argc) | 
|  | { | 
|  | char* key = strtok_r(argv[optind], "=", &context1); | 
|  | char* value = strtok_r(NULL, "=", &context1); | 
|  |  | 
|  | // we have reached the end of the XXX=XXX args. | 
|  | if (key == NULL) break; | 
|  |  | 
|  | if (strcmp(key, "action") == 0) | 
|  | { | 
|  | action = value; | 
|  | } | 
|  | else if (strcmp(key, "data") == 0) | 
|  | { | 
|  | dataArg = value; | 
|  | } | 
|  | else if (strcmp(key, "type") == 0) | 
|  | { | 
|  | type = value; | 
|  | } | 
|  | else if (strcmp(key, "launchFlags") == 0) | 
|  | { | 
|  | launchFlags = atoi(value); | 
|  | } | 
|  | else if (strcmp(key, "component") == 0) | 
|  | { | 
|  | component = value; | 
|  | } | 
|  | else if (strcmp(key, "categories") == 0) | 
|  | { | 
|  | char* context2 = NULL; | 
|  | int categoryCount = 0; | 
|  | categories[categoryCount] = strtok_r(value, ",", &context2); | 
|  |  | 
|  | while (categories[categoryCount] != NULL) | 
|  | { | 
|  | categoryCount++; | 
|  | categories[categoryCount] = strtok_r(NULL, ",", &context2); | 
|  | } | 
|  | } | 
|  |  | 
|  | optind++; | 
|  | } | 
|  |  | 
|  | writeString16(data, action); | 
|  | writeString16(data, dataArg); | 
|  | writeString16(data, type); | 
|  | data.writeInt32(launchFlags); | 
|  | writeString16(data, component); | 
|  |  | 
|  | if (categoryCount > 0) | 
|  | { | 
|  | data.writeInt32(categoryCount); | 
|  | for (int i = 0 ; i < categoryCount ; i++) | 
|  | { | 
|  | writeString16(data, categories[i]); | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | data.writeInt32(0); | 
|  | } | 
|  |  | 
|  | // for now just set the extra field to be null. | 
|  | data.writeInt32(-1); | 
|  | } else { | 
|  | aerr << "service: unknown option " << argv[optind] << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | service->transact(code, data, &reply); | 
|  | aout << "Result: " << reply << endl; | 
|  | } else { | 
|  | aerr << "service: Service " << argv[serviceArg] | 
|  | << " does not exist" << endl; | 
|  | result = 10; | 
|  | } | 
|  | } else { | 
|  | if (optind < argc) { | 
|  | aerr << "service: No service specified for call" << endl; | 
|  | } else { | 
|  | aerr << "service: No code specified for call" << endl; | 
|  | } | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | } | 
|  | } else { | 
|  | aerr << "service: Unknown command " << argv[optind] << endl; | 
|  | wantsUsage = true; | 
|  | result = 10; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (wantsUsage) { | 
|  | aout << "Usage: service [-h|-?]\n" | 
|  | "       service list\n" | 
|  | "       service check SERVICE\n" | 
|  | "       service call SERVICE CODE [i32 N | i64 N | f N | d N | s16 STR ] ...\n" | 
|  | "Options:\n" | 
|  | "   i32: Write the 32-bit integer N into the send parcel.\n" | 
|  | "   i64: Write the 64-bit integer N into the send parcel.\n" | 
|  | "   f:   Write the 32-bit single-precision number N into the send parcel.\n" | 
|  | "   d:   Write the 64-bit double-precision number N into the send parcel.\n" | 
|  | "   s16: Write the UTF-16 string STR into the send parcel.\n"; | 
|  | //                "   intent: Write and Intent int the send parcel. ARGS can be\n" | 
|  | //                "       action=STR data=STR type=STR launchFlags=INT component=STR categories=STR[,STR,...]\n"; | 
|  | return result; | 
|  | } | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  |