Merge "Improve 'service' command" (36b09e6a) · Commits · e / os / platform_frameworks_native

cmds/service/Android.bp

+2 −0

Original line number	Diff line number	Diff line
		@@ -4,6 +4,7 @@ cc_binary {
		srcs: ["service.cpp"],

		shared_libs: [
		"libcutils",
		"libutils",
		"libbinder",
		],
		@@ -22,6 +23,7 @@ cc_binary {
		srcs: ["service.cpp"],

		shared_libs: [
		"libcutils",
		"libutils",
		"libbinder",
		],

cmds/service/service.cpp

+64 −2

Original line number	Diff line number	Diff line
		@@ -18,13 +18,18 @@
		#include <binder/ProcessState.h>
		#include <binder/IServiceManager.h>
		#include <binder/TextOutput.h>
		#include <cutils/ashmem.h>

		#include <getopt.h>
		#include <stdlib.h>
		#include <stdio.h>
		#include <string.h>
		#include <unistd.h>
		#include <sys/mman.h>
		#include <sys/time.h>
		#include <sys/types.h>
		#include <sys/stat.h>
		#include <fcntl.h>

		using namespace android;

		@@ -187,6 +192,57 @@ int main(int argc, char* const argv[])
		} else if (strcmp(argv[optind], "null") == 0) {
		optind++;
		data.writeStrongBinder(nullptr);
		} else if (strcmp(argv[optind], "fd") == 0) {
		optind++;
		if (optind >= argc) {
		aerr << "service: no path supplied for 'fd'" << endl;
		wantsUsage = true;
		result = 10;
		break;
		}
		const char *path = argv[optind++];
		int fd = open(path, O_RDONLY);
		if (fd < 0) {
		aerr << "service: could not open '" << path << "'" << endl;
		wantsUsage = true;
		result = 10;
		break;
		}
		data.writeFileDescriptor(fd, true /* take ownership */);
		} else if (strcmp(argv[optind], "afd") == 0) {
		optind++;
		if (optind >= argc) {
		aerr << "service: no path supplied for 'afd'" << endl;
		wantsUsage = true;
		result = 10;
		break;
		}
		const char *path = argv[optind++];
		int fd = open(path, O_RDONLY);
		struct stat statbuf;
		if (fd < 0 \|\| fstat(fd, &statbuf) != 0) {
		aerr << "service: could not open or stat '" << path << "'" << endl;
		wantsUsage = true;
		result = 10;
		break;
		}
		int afd = ashmem_create_region("test", statbuf.st_size);
		void* ptr = mmap(NULL, statbuf.st_size,
		PROT_READ \| PROT_WRITE, MAP_SHARED, afd, 0);
		read(fd, ptr, statbuf.st_size);
		close(fd);
		data.writeFileDescriptor(afd, true /* take ownership */);
		} else if (strcmp(argv[optind], "nfd") == 0) {
		optind++;
		if (optind >= argc) {
		aerr << "service: no file descriptor supplied for 'nfd'" << endl;
		wantsUsage = true;
		result = 10;
		break;
		}
		data.writeFileDescriptor(
		atoi(argv[optind++]), true /* take ownership */);

		} else if (strcmp(argv[optind], "intent") == 0) {

		char* action = nullptr;
		@@ -300,13 +356,19 @@ int main(int argc, char* const argv[])
		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"
		" service call SERVICE CODE [i32 N \| i64 N \| f N \| d N \| s16 STR \| null"
		" \| fd f \| nfd n \| afd f ] ...\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";
		" s16: Write the UTF-16 string STR into the send parcel.\n"
		" null: Write a null binder into the send parcel.\n"
		" fd: Write a file descriptor for the file f to the send parcel.\n"
		" nfd: Write file descriptor n to the send parcel.\n"
		" afd: Write an ashmem file descriptor for a region containing the data from"
		" file f to 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;