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-rw-r--r--cmds/statsd/src/atoms.proto4
-rw-r--r--packages/NetworkStack/Android.bp9
-rw-r--r--packages/NetworkStack/src/com/android/networkstack/metrics/DataStallDetectionStats.java (renamed from packages/NetworkStack/src/android/net/metrics/DataStallDetectionStats.java)2
-rw-r--r--packages/NetworkStack/src/com/android/networkstack/metrics/DataStallStatsUtils.java (renamed from packages/NetworkStack/src/android/net/metrics/DataStallStatsUtils.java)11
-rw-r--r--packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java4
-rw-r--r--packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java5
-rw-r--r--tools/stats_log_api_gen/Collation.cpp8
-rw-r--r--tools/stats_log_api_gen/Collation.h3
-rw-r--r--tools/stats_log_api_gen/main.cpp517
9 files changed, 524 insertions, 39 deletions
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 564e9186b868..1ac6ea8ba521 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -134,7 +134,7 @@ message Atom {
LowMemReported low_mem_reported = 81;
ThermalThrottlingStateChanged thermal_throttling = 86;
NetworkDnsEventReported network_dns_event_reported = 116;
- DataStallEvent data_stall_event = 121;
+ DataStallEvent data_stall_event = 121 [(log_from_module) = "network_stack"];
BluetoothLinkLayerConnectionEvent bluetooth_link_layer_connection_event = 125;
BluetoothAclConnectionStateChanged bluetooth_acl_connection_state_changed = 126;
BluetoothScoConnectionStateChanged bluetooth_sco_connection_state_changed = 127;
@@ -165,7 +165,7 @@ message Atom {
BluetoothSmpPairingEventReported bluetooth_smp_pairing_event_reported = 167;
ProcessStartTime process_start_time = 169;
BluetoothSocketConnectionStateChanged bluetooth_socket_connection_state_changed = 171;
- NetworkStackReported network_stack_reported = 182;
+ NetworkStackReported network_stack_reported = 182 [(log_from_module) = "network_stack"];
}
// Pulled events will start at field 10000.
diff --git a/packages/NetworkStack/Android.bp b/packages/NetworkStack/Android.bp
index 5817118bc861..e0bb862c5362 100644
--- a/packages/NetworkStack/Android.bp
+++ b/packages/NetworkStack/Android.bp
@@ -37,6 +37,7 @@ android_library {
"src/**/*.java",
":framework-networkstack-shared-srcs",
":services-networkstack-shared-srcs",
+ ":statslog-networkstack-java-gen",
],
static_libs: [
"androidx.annotation_annotation",
@@ -104,3 +105,11 @@ android_app {
certificate: "networkstack",
manifest: "AndroidManifest.xml",
}
+
+genrule {
+ name: "statslog-networkstack-java-gen",
+ tools: ["stats-log-api-gen"],
+ cmd: "$(location stats-log-api-gen) --java $(out) --module network_stack" +
+ " --javaPackage com.android.networkstack.metrics --javaClass NetworkStackStatsLog",
+ out: ["com/android/networkstack/metrics/NetworkStackStatsLog.java"],
+}
diff --git a/packages/NetworkStack/src/android/net/metrics/DataStallDetectionStats.java b/packages/NetworkStack/src/com/android/networkstack/metrics/DataStallDetectionStats.java
index 225dc0f4bfdc..2523ecd4ea20 100644
--- a/packages/NetworkStack/src/android/net/metrics/DataStallDetectionStats.java
+++ b/packages/NetworkStack/src/com/android/networkstack/metrics/DataStallDetectionStats.java
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-package android.net.metrics;
+package com.android.networkstack.metrics;
import android.annotation.NonNull;
import android.annotation.Nullable;
diff --git a/packages/NetworkStack/src/android/net/metrics/DataStallStatsUtils.java b/packages/NetworkStack/src/com/android/networkstack/metrics/DataStallStatsUtils.java
index c96411e1e39f..93089017fd47 100644
--- a/packages/NetworkStack/src/android/net/metrics/DataStallStatsUtils.java
+++ b/packages/NetworkStack/src/com/android/networkstack/metrics/DataStallStatsUtils.java
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-package android.net.metrics;
+package com.android.networkstack.metrics;
import android.annotation.NonNull;
import android.annotation.Nullable;
@@ -41,7 +41,6 @@ public class DataStallStatsUtils {
private static int probeResultToEnum(@Nullable final CaptivePortalProbeResult result) {
if (result == null) return DataStallEventProto.INVALID;
- // TODO: Add partial connectivity support.
if (result.isSuccessful()) {
return DataStallEventProto.VALID;
} else if (result.isPortal()) {
@@ -63,6 +62,12 @@ public class DataStallStatsUtils {
Log.d(TAG, "write: " + stats + " with result: " + validationResult
+ ", dns: " + HexDump.toHexString(stats.mDns));
}
- // TODO(b/124613085): Send to Statsd once the public StatsLog API is ready.
+ NetworkStackStatsLog.write(NetworkStackStatsLog.DATA_STALL_EVENT,
+ stats.mEvaluationType,
+ validationResult,
+ stats.mNetworkType,
+ stats.mWifiInfo,
+ stats.mCellularInfo,
+ stats.mDns);
}
}
diff --git a/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java b/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java
index d88e3dc84848..093235e66214 100644
--- a/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java
+++ b/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java
@@ -69,8 +69,6 @@ import android.net.TrafficStats;
import android.net.Uri;
import android.net.captiveportal.CaptivePortalProbeResult;
import android.net.captiveportal.CaptivePortalProbeSpec;
-import android.net.metrics.DataStallDetectionStats;
-import android.net.metrics.DataStallStatsUtils;
import android.net.metrics.IpConnectivityLog;
import android.net.metrics.NetworkEvent;
import android.net.metrics.ValidationProbeEvent;
@@ -106,6 +104,8 @@ import com.android.internal.util.State;
import com.android.internal.util.StateMachine;
import com.android.internal.util.TrafficStatsConstants;
import com.android.networkstack.R;
+import com.android.networkstack.metrics.DataStallDetectionStats;
+import com.android.networkstack.metrics.DataStallStatsUtils;
import java.io.IOException;
import java.net.HttpURLConnection;
diff --git a/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java b/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java
index 7d9eb9b55d07..594f2cae996d 100644
--- a/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java
+++ b/packages/NetworkStack/tests/src/com/android/server/connectivity/NetworkMonitorTest.java
@@ -62,8 +62,6 @@ import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.captiveportal.CaptivePortalProbeResult;
-import android.net.metrics.DataStallDetectionStats;
-import android.net.metrics.DataStallStatsUtils;
import android.net.metrics.IpConnectivityLog;
import android.net.util.SharedLog;
import android.net.wifi.WifiInfo;
@@ -81,6 +79,9 @@ import android.util.ArrayMap;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
+import com.android.networkstack.metrics.DataStallDetectionStats;
+import com.android.networkstack.metrics.DataStallStatsUtils;
+
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
diff --git a/tools/stats_log_api_gen/Collation.cpp b/tools/stats_log_api_gen/Collation.cpp
index 49eee0708a45..dc18b8d14dc7 100644
--- a/tools/stats_log_api_gen/Collation.cpp
+++ b/tools/stats_log_api_gen/Collation.cpp
@@ -219,6 +219,14 @@ int collate_atom(const Descriptor *atom, AtomDecl *atomDecl,
errorCount++;
continue;
}
+
+ // Doubles are not supported yet.
+ if (javaType == JAVA_TYPE_DOUBLE) {
+ print_error(field, "Doubles are not supported in atoms. Please change field %s to float\n",
+ field->name().c_str());
+ errorCount++;
+ continue;
+ }
}
// Check that if there's an attribution chain, it's at position 1.
diff --git a/tools/stats_log_api_gen/Collation.h b/tools/stats_log_api_gen/Collation.h
index e0ea207793f9..8e4cb9f44029 100644
--- a/tools/stats_log_api_gen/Collation.h
+++ b/tools/stats_log_api_gen/Collation.h
@@ -48,6 +48,7 @@ typedef enum {
JAVA_TYPE_DOUBLE = 6,
JAVA_TYPE_STRING = 7,
JAVA_TYPE_ENUM = 8,
+ JAVA_TYPE_KEY_VALUE_PAIR = 9,
JAVA_TYPE_OBJECT = -1,
JAVA_TYPE_BYTE_ARRAY = -2,
@@ -118,4 +119,4 @@ int collate_atom(const Descriptor *atom, AtomDecl *atomDecl, vector<java_type_t>
} // namespace android
-#endif // ANDROID_STATS_LOG_API_GEN_COLLATION_H \ No newline at end of file
+#endif // ANDROID_STATS_LOG_API_GEN_COLLATION_H
diff --git a/tools/stats_log_api_gen/main.cpp b/tools/stats_log_api_gen/main.cpp
index 2d9b9885c5ba..43b79cc4d784 100644
--- a/tools/stats_log_api_gen/main.cpp
+++ b/tools/stats_log_api_gen/main.cpp
@@ -27,6 +27,11 @@ int maxPushedAtomId = 2;
const string DEFAULT_MODULE_NAME = "DEFAULT";
const string DEFAULT_CPP_NAMESPACE = "android,util";
const string DEFAULT_CPP_HEADER_IMPORT = "statslog.h";
+const string DEFAULT_JAVA_PACKAGE = "android.util";
+const string DEFAULT_JAVA_CLASS = "StatsLogInternal";
+
+const int JAVA_MODULE_REQUIRES_FLOAT = 0x01;
+const int JAVA_MODULE_REQUIRES_ATTRIBUTION = 0x02;
using android::os::statsd::Atom;
@@ -807,11 +812,350 @@ static void write_java_method(
}
}
+static void write_java_helpers_for_module(
+ FILE * out,
+ const AtomDecl &attributionDecl,
+ const int requiredHelpers) {
+ fprintf(out, " private static void copyInt(byte[] buff, int pos, int val) {\n");
+ fprintf(out, " buff[pos] = (byte) (val);\n");
+ fprintf(out, " buff[pos + 1] = (byte) (val >> 8);\n");
+ fprintf(out, " buff[pos + 2] = (byte) (val >> 16);\n");
+ fprintf(out, " buff[pos + 3] = (byte) (val >> 24);\n");
+ fprintf(out, " return;\n");
+ fprintf(out, " }\n");
+ fprintf(out, "\n");
+
+ fprintf(out, " private static void copyLong(byte[] buff, int pos, long val) {\n");
+ fprintf(out, " buff[pos] = (byte) (val);\n");
+ fprintf(out, " buff[pos + 1] = (byte) (val >> 8);\n");
+ fprintf(out, " buff[pos + 2] = (byte) (val >> 16);\n");
+ fprintf(out, " buff[pos + 3] = (byte) (val >> 24);\n");
+ fprintf(out, " buff[pos + 4] = (byte) (val >> 32);\n");
+ fprintf(out, " buff[pos + 5] = (byte) (val >> 40);\n");
+ fprintf(out, " buff[pos + 6] = (byte) (val >> 48);\n");
+ fprintf(out, " buff[pos + 7] = (byte) (val >> 56);\n");
+ fprintf(out, " return;\n");
+ fprintf(out, " }\n");
+ fprintf(out, "\n");
+
+ if (requiredHelpers & JAVA_MODULE_REQUIRES_FLOAT) {
+ fprintf(out, " private static void copyFloat(byte[] buff, int pos, float val) {\n");
+ fprintf(out, " copyInt(buff, pos, Float.floatToIntBits(val));\n");
+ fprintf(out, " return;\n");
+ fprintf(out, " }\n");
+ fprintf(out, "\n");
+ }
+
+ if (requiredHelpers & JAVA_MODULE_REQUIRES_ATTRIBUTION) {
+ fprintf(out, " private static void writeAttributionChain(byte[] buff, int pos");
+ for (auto chainField : attributionDecl.fields) {
+ fprintf(out, ", %s[] %s",
+ java_type_name(chainField.javaType), chainField.name.c_str());
+ }
+ fprintf(out, ") {\n");
+
+ const char* uidName = attributionDecl.fields.front().name.c_str();
+ const char* tagName = attributionDecl.fields.back().name.c_str();
+
+ // Write the first list begin.
+ fprintf(out, " buff[pos] = LIST_TYPE;\n");
+ fprintf(out, " buff[pos + 1] = (byte) (%s.length);\n", tagName);
+ fprintf(out, " pos += LIST_TYPE_OVERHEAD;\n");
+
+ // Iterate through the attribution chain and write the nodes.
+ fprintf(out, " for (int i = 0; i < %s.length; i++) {\n", tagName);
+ // Write the list begin.
+ fprintf(out, " buff[pos] = LIST_TYPE;\n");
+ fprintf(out, " buff[pos + 1] = %lu;\n", attributionDecl.fields.size());
+ fprintf(out, " pos += LIST_TYPE_OVERHEAD;\n");
+
+ // Write the uid.
+ fprintf(out, " buff[pos] = INT_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, %s[i]);\n", uidName);
+ fprintf(out, " pos += INT_TYPE_SIZE;\n");
+
+ // Write the tag.
+ fprintf(out, " String %sStr = (%s[i] == null) ? \"\" : %s[i];\n",
+ tagName, tagName, tagName);
+ fprintf(out, " byte[] %sByte = %sStr.getBytes(UTF_8);\n", tagName, tagName);
+ fprintf(out, " buff[pos] = STRING_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, %sByte.length);\n", tagName);
+ fprintf(out, " System.arraycopy("
+ "%sByte, 0, buff, pos + STRING_TYPE_OVERHEAD, %sByte.length);\n",
+ tagName, tagName);
+ fprintf(out, " pos += STRING_TYPE_OVERHEAD + %sByte.length;\n", tagName);
+ fprintf(out, " }\n");
+ fprintf(out, " }\n");
+ fprintf(out, "\n");
+ }
+}
+
+
+static int write_java_non_chained_method_for_module(
+ FILE* out,
+ const map<vector<java_type_t>, set<string>>& signatures_to_modules,
+ const string& moduleName
+ ) {
+ for (auto signature_to_modules_it = signatures_to_modules.begin();
+ signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
+ // Skip if this signature is not needed for the module.
+ if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
+ continue;
+ }
+
+ // Print method signature.
+ vector<java_type_t> signature = signature_to_modules_it->first;
+ fprintf(out, " public static void write_non_chained(int code");
+ int argIndex = 1;
+ for (vector<java_type_t>::const_iterator arg = signature.begin();
+ arg != signature.end(); arg++) {
+ if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
+ // Non chained signatures should not have attribution chains.
+ return 1;
+ } else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
+ // Module logging does not yet support key value pair.
+ return 1;
+ } else {
+ fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex);
+ }
+ argIndex++;
+ }
+ fprintf(out, ") {\n");
+
+ fprintf(out, " write(code");
+ argIndex = 1;
+ for (vector<java_type_t>::const_iterator arg = signature.begin();
+ arg != signature.end(); arg++) {
+ // First two args are uid and tag of attribution chain.
+ if (argIndex == 1) {
+ fprintf(out, ", new int[] {arg%d}", argIndex);
+ } else if (argIndex == 2) {
+ fprintf(out, ", new java.lang.String[] {arg%d}", argIndex);
+ } else {
+ fprintf(out, ", arg%d", argIndex);
+ }
+ argIndex++;
+ }
+ fprintf(out, ");\n");
+ fprintf(out, " }\n");
+ fprintf(out, "\n");
+ }
+ return 0;
+}
+
+static int write_java_method_for_module(
+ FILE* out,
+ const map<vector<java_type_t>, set<string>>& signatures_to_modules,
+ const AtomDecl &attributionDecl,
+ const string& moduleName,
+ int* requiredHelpers
+ ) {
+
+ for (auto signature_to_modules_it = signatures_to_modules.begin();
+ signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
+ // Skip if this signature is not needed for the module.
+ if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
+ continue;
+ }
+
+ // Print method signature.
+ vector<java_type_t> signature = signature_to_modules_it->first;
+ fprintf(out, " public static void write(int code");
+ int argIndex = 1;
+ for (vector<java_type_t>::const_iterator arg = signature.begin();
+ arg != signature.end(); arg++) {
+ if (*arg == JAVA_TYPE_ATTRIBUTION_CHAIN) {
+ for (auto chainField : attributionDecl.fields) {
+ fprintf(out, ", %s[] %s",
+ java_type_name(chainField.javaType), chainField.name.c_str());
+ }
+ } else if (*arg == JAVA_TYPE_KEY_VALUE_PAIR) {
+ // Module logging does not yet support key value pair.
+ return 1;
+ } else {
+ fprintf(out, ", %s arg%d", java_type_name(*arg), argIndex);
+ }
+ argIndex++;
+ }
+ fprintf(out, ") {\n");
+
+ // Calculate the size of the buffer.
+ fprintf(out, " // Initial overhead of the list, timestamp, and atom tag.\n");
+ fprintf(out, " int needed = LIST_TYPE_OVERHEAD + LONG_TYPE_SIZE + INT_TYPE_SIZE;\n");
+ argIndex = 1;
+ for (vector<java_type_t>::const_iterator arg = signature.begin();
+ arg != signature.end(); arg++) {
+ switch (*arg) {
+ case JAVA_TYPE_BOOLEAN:
+ case JAVA_TYPE_INT:
+ case JAVA_TYPE_FLOAT:
+ case JAVA_TYPE_ENUM:
+ fprintf(out, " needed += INT_TYPE_SIZE;\n");
+ break;
+ case JAVA_TYPE_LONG:
+ // Longs take 9 bytes, 1 for the type and 8 for the value.
+ fprintf(out, " needed += LONG_TYPE_SIZE;\n");
+ break;
+ case JAVA_TYPE_STRING:
+ // Strings take 5 metadata bytes + length of byte encoded string.
+ fprintf(out, " if (arg%d == null) {\n", argIndex);
+ fprintf(out, " arg%d = \"\";\n", argIndex);
+ fprintf(out, " }\n");
+ fprintf(out, " byte[] arg%dBytes= arg%d.getBytes(UTF_8);\n",
+ argIndex, argIndex);
+ fprintf(out, " needed += STRING_TYPE_OVERHEAD + arg%dBytes.length;\n",
+ argIndex);
+ break;
+ case JAVA_TYPE_BYTE_ARRAY:
+ // Byte arrays take 5 metadata bytes + length of byte array.
+ fprintf(out, " if (arg%d == null) {\n", argIndex);
+ fprintf(out, " arg%d = new byte[0];\n", argIndex);
+ fprintf(out, " }\n");
+ fprintf(out, " needed += STRING_TYPE_OVERHEAD + arg%d.length;\n", argIndex);
+ break;
+ case JAVA_TYPE_ATTRIBUTION_CHAIN:
+ {
+ const char* uidName = attributionDecl.fields.front().name.c_str();
+ const char* tagName = attributionDecl.fields.back().name.c_str();
+ // Null checks on the params.
+ fprintf(out, " if (%s == null) {\n", uidName);
+ fprintf(out, " %s = new %s[0];\n", uidName,
+ java_type_name(attributionDecl.fields.front().javaType));
+ fprintf(out, " }\n");
+ fprintf(out, " if (%s == null) {\n", tagName);
+ fprintf(out, " %s = new %s[0];\n", tagName,
+ java_type_name(attributionDecl.fields.back().javaType));
+ fprintf(out, " }\n");
+
+ // First check that the lengths of the uid and tag arrays are the same.
+ fprintf(out, " if (%s.length != %s.length) {\n", uidName, tagName);
+ fprintf(out, " return;\n");
+ fprintf(out, " }\n");
+ fprintf(out, " int attrSize = LIST_TYPE_OVERHEAD;\n");
+ fprintf(out, " for (int i = 0; i < %s.length; i++) {\n", tagName);
+ fprintf(out, " String str%d = (%s[i] == null) ? \"\" : %s[i];\n",
+ argIndex, tagName, tagName);
+ fprintf(out, " int str%dlen = str%d.getBytes(UTF_8).length;\n",
+ argIndex, argIndex);
+ fprintf(out,
+ " attrSize += "
+ "LIST_TYPE_OVERHEAD + INT_TYPE_SIZE + STRING_TYPE_OVERHEAD + str%dlen;\n",
+ argIndex);
+ fprintf(out, " }\n");
+ fprintf(out, " needed += attrSize;\n");
+ break;
+ }
+ default:
+ // Unsupported types: OBJECT, DOUBLE, KEY_VALUE_PAIR.
+ return 1;
+ }
+ argIndex++;
+ }
+
+ // Now we have the size that is needed. Check for overflow and return if needed.
+ fprintf(out, " if (needed > MAX_EVENT_PAYLOAD) {\n");
+ fprintf(out, " return;\n");
+ fprintf(out, " }\n");
+
+ // Create new buffer, and associated data types.
+ fprintf(out, " byte[] buff = new byte[needed];\n");
+ fprintf(out, " int pos = 0;\n");
+
+ // Initialize the buffer with list data type.
+ fprintf(out, " buff[pos] = LIST_TYPE;\n");
+ fprintf(out, " buff[pos + 1] = %lu;\n", signature.size() + 2);
+ fprintf(out, " pos += LIST_TYPE_OVERHEAD;\n");
+
+ // Write timestamp.
+ fprintf(out, " long elapsedRealtime = SystemClock.elapsedRealtimeNanos();\n");
+ fprintf(out, " buff[pos] = LONG_TYPE;\n");
+ fprintf(out, " copyLong(buff, pos + 1, elapsedRealtime);\n");
+ fprintf(out, " pos += LONG_TYPE_SIZE;\n");
+
+ // Write atom code.
+ fprintf(out, " buff[pos] = INT_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, code);\n");
+ fprintf(out, " pos += INT_TYPE_SIZE;\n");
+
+ // Write the args.
+ argIndex = 1;
+ for (vector<java_type_t>::const_iterator arg = signature.begin();
+ arg != signature.end(); arg++) {
+ switch (*arg) {
+ case JAVA_TYPE_BOOLEAN:
+ fprintf(out, " buff[pos] = INT_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, arg%d? 1 : 0);\n", argIndex);
+ fprintf(out, " pos += INT_TYPE_SIZE;\n");
+ break;
+ case JAVA_TYPE_INT:
+ case JAVA_TYPE_ENUM:
+ fprintf(out, " buff[pos] = INT_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, arg%d);\n", argIndex);
+ fprintf(out, " pos += INT_TYPE_SIZE;\n");
+ break;
+ case JAVA_TYPE_FLOAT:
+ *requiredHelpers |= JAVA_MODULE_REQUIRES_FLOAT;
+ fprintf(out, " buff[pos] = FLOAT_TYPE;\n");
+ fprintf(out, " copyFloat(buff, pos + 1, arg%d);\n", argIndex);
+ fprintf(out, " pos += FLOAT_TYPE_SIZE;\n");
+ break;
+ case JAVA_TYPE_LONG:
+ fprintf(out, " buff[pos] = LONG_TYPE;\n");
+ fprintf(out, " copyLong(buff, pos + 1, arg%d);\n", argIndex);
+ fprintf(out, " pos += LONG_TYPE_SIZE;\n");
+ break;
+ case JAVA_TYPE_STRING:
+ fprintf(out, " buff[pos] = STRING_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, arg%dBytes.length);\n", argIndex);
+ fprintf(out, " System.arraycopy("
+ "arg%dBytes, 0, buff, pos + STRING_TYPE_OVERHEAD, arg%dBytes.length);\n",
+ argIndex, argIndex);
+ fprintf(out, " pos += STRING_TYPE_OVERHEAD + arg%dBytes.length;\n",
+ argIndex);
+ break;
+ case JAVA_TYPE_BYTE_ARRAY:
+ fprintf(out, " buff[pos] = STRING_TYPE;\n");
+ fprintf(out, " copyInt(buff, pos + 1, arg%d.length);\n", argIndex);
+ fprintf(out, " System.arraycopy("
+ "arg%d, 0, buff, pos + STRING_TYPE_OVERHEAD, arg%d.length);\n",
+ argIndex, argIndex);
+ fprintf(out, " pos += STRING_TYPE_OVERHEAD + arg%d.length;\n", argIndex);
+ break;
+ case JAVA_TYPE_ATTRIBUTION_CHAIN:
+ {
+ *requiredHelpers |= JAVA_MODULE_REQUIRES_ATTRIBUTION;
+ const char* uidName = attributionDecl.fields.front().name.c_str();
+ const char* tagName = attributionDecl.fields.back().name.c_str();
+
+ fprintf(out, " writeAttributionChain(buff, pos, %s, %s);\n",
+ uidName, tagName);
+ fprintf(out, " pos += attrSize;\n");
+ break;
+ }
+ default:
+ // Unsupported types: OBJECT, DOUBLE, KEY_VALUE_PAIR.
+ return 1;
+ }
+ argIndex++;
+ }
+
+ fprintf(out, " StatsLog.writeRaw(buff, pos);\n");
+ fprintf(out, " }\n");
+ fprintf(out, "\n");
+ }
+ return 0;
+}
+
static void write_java_work_source_method(FILE* out,
- const map<vector<java_type_t>, set<string>>& signatures_to_modules) {
+ const map<vector<java_type_t>, set<string>>& signatures_to_modules,
+ const string& moduleName) {
fprintf(out, "\n // WorkSource methods.\n");
for (auto signature_to_modules_it = signatures_to_modules.begin();
signature_to_modules_it != signatures_to_modules.end(); signature_to_modules_it++) {
+ // Skip if this signature is not needed for the module.
+ if (!signature_needed_for_module(signature_to_modules_it->second, moduleName)) {
+ continue;
+ }
vector<java_type_t> signature = signature_to_modules_it->first;
// Determine if there is Attribution in this signature.
int attributionArg = -1;
@@ -834,7 +1178,9 @@ static void write_java_work_source_method(FILE* out,
}
// Method header (signature)
- fprintf(out, " /** @hide */\n");
+ if (moduleName == DEFAULT_MODULE_NAME) {
+ fprintf(out, " /** @hide */\n");
+ }
fprintf(out, " public static void write(int code");
int argIndex = 1;
for (vector<java_type_t>::const_iterator arg = signature.begin();
@@ -859,7 +1205,7 @@ static void write_java_work_source_method(FILE* out,
}
}
fprintf(out, ");\n");
- fprintf(out, " }\n"); // close flor-loop
+ fprintf(out, " }\n"); // close for-loop
// write() component.
fprintf(out, " ArrayList<WorkSource.WorkChain> workChains = ws.getWorkChains();\n");
@@ -880,23 +1226,7 @@ static void write_java_work_source_method(FILE* out,
}
}
-static int
-write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl)
-{
- // Print prelude
- fprintf(out, "// This file is autogenerated\n");
- fprintf(out, "\n");
- fprintf(out, "package android.util;\n");
- fprintf(out, "\n");
- fprintf(out, "import android.os.WorkSource;\n");
- fprintf(out, "import java.util.ArrayList;\n");
- fprintf(out, "\n");
- fprintf(out, "\n");
- fprintf(out, "/**\n");
- fprintf(out, " * API For logging statistics events.\n");
- fprintf(out, " * @hide\n");
- fprintf(out, " */\n");
- fprintf(out, "public class StatsLogInternal {\n");
+static void write_java_atom_codes(FILE* out, const Atoms& atoms, const string& moduleName) {
fprintf(out, " // Constants for atom codes.\n");
std::map<int, set<AtomDecl>::const_iterator> atom_code_to_non_chained_decl_map;
@@ -905,6 +1235,10 @@ write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionD
// Print constants for the atom codes.
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
+ // Skip if the atom is not needed for the module.
+ if (!atom_needed_for_module(*atom, moduleName)) {
+ continue;
+ }
string constant = make_constant_name(atom->name);
fprintf(out, "\n");
fprintf(out, " /**\n");
@@ -914,16 +1248,23 @@ write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionD
if (non_chained_decl != atom_code_to_non_chained_decl_map.end()) {
write_java_usage(out, "write_non_chained", constant, *non_chained_decl->second);
}
- fprintf(out, " * @hide\n");
+ if (moduleName == DEFAULT_MODULE_NAME) {
+ fprintf(out, " * @hide\n");
+ }
fprintf(out, " */\n");
fprintf(out, " public static final int %s = %d;\n", constant.c_str(), atom->code);
}
fprintf(out, "\n");
+}
- // Print constants for the enum values.
+static void write_java_enum_values(FILE* out, const Atoms& atoms, const string& moduleName) {
fprintf(out, " // Constants for enum values.\n\n");
for (set<AtomDecl>::const_iterator atom = atoms.decls.begin();
atom != atoms.decls.end(); atom++) {
+ // Skip if the atom is not needed for the module.
+ if (!atom_needed_for_module(*atom, moduleName)) {
+ continue;
+ }
for (vector<AtomField>::const_iterator field = atom->fields.begin();
field != atom->fields.end(); field++) {
if (field->javaType == JAVA_TYPE_ENUM) {
@@ -931,7 +1272,9 @@ write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionD
field->name.c_str());
for (map<int, string>::const_iterator value = field->enumValues.begin();
value != field->enumValues.end(); value++) {
- fprintf(out, " /** @hide */\n");
+ if (moduleName == DEFAULT_MODULE_NAME) {
+ fprintf(out, " /** @hide */\n");
+ }
fprintf(out, " public static final int %s__%s__%s = %d;\n",
make_constant_name(atom->message).c_str(),
make_constant_name(field->name).c_str(),
@@ -942,19 +1285,107 @@ write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionD
}
}
}
+}
+
+static int
+write_stats_log_java(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl)
+{
+ // Print prelude
+ fprintf(out, "// This file is autogenerated\n");
+ fprintf(out, "\n");
+ fprintf(out, "package android.util;\n");
+ fprintf(out, "\n");
+ fprintf(out, "import android.os.WorkSource;\n");
+ fprintf(out, "import android.util.SparseArray;\n");
+ fprintf(out, "import java.util.ArrayList;\n");
+ fprintf(out, "\n");
+ fprintf(out, "\n");
+ fprintf(out, "/**\n");
+ fprintf(out, " * API For logging statistics events.\n");
+ fprintf(out, " * @hide\n");
+ fprintf(out, " */\n");
+ fprintf(out, "public class StatsLogInternal {\n");
+ write_java_atom_codes(out, atoms, DEFAULT_MODULE_NAME);
+
+ write_java_enum_values(out, atoms, DEFAULT_MODULE_NAME);
// Print write methods
fprintf(out, " // Write methods\n");
write_java_method(out, "write", atoms.signatures_to_modules, attributionDecl);
write_java_method(out, "write_non_chained", atoms.non_chained_signatures_to_modules,
attributionDecl);
- write_java_work_source_method(out, atoms.signatures_to_modules);
+ write_java_work_source_method(out, atoms.signatures_to_modules, DEFAULT_MODULE_NAME);
fprintf(out, "}\n");
return 0;
}
+// TODO: Merge this with write_stats_log_java so that we can get rid of StatsLogInternal JNI.
+static int
+write_stats_log_java_for_module(FILE* out, const Atoms& atoms, const AtomDecl &attributionDecl,
+ const string& moduleName, const string& javaClass, const string& javaPackage)
+{
+ // Print prelude
+ fprintf(out, "// This file is autogenerated\n");
+ fprintf(out, "\n");
+ fprintf(out, "package %s;\n", javaPackage.c_str());
+ fprintf(out, "\n");
+ fprintf(out, "import static java.nio.charset.StandardCharsets.UTF_8;\n");
+ fprintf(out, "\n");
+ fprintf(out, "import android.util.StatsLog;\n");
+ fprintf(out, "import android.os.SystemClock;\n");
+ fprintf(out, "\n");
+ fprintf(out, "import java.util.ArrayList;\n");
+ fprintf(out, "\n");
+ fprintf(out, "\n");
+ fprintf(out, "/**\n");
+ fprintf(out, " * Utility class for logging statistics events.\n");
+ fprintf(out, " */\n");
+ fprintf(out, "public class %s {\n", javaClass.c_str());
+
+ // TODO: ideally these match with the native values (and automatically change if they change).
+ fprintf(out, " private static final int LOGGER_ENTRY_MAX_PAYLOAD = 4068;\n");
+ fprintf(out,
+ " private static final int MAX_EVENT_PAYLOAD = LOGGER_ENTRY_MAX_PAYLOAD - 4;\n");
+ // Value types. Must match with EventLog.java and log.h.
+ fprintf(out, " private static final byte INT_TYPE = 0;\n");
+ fprintf(out, " private static final byte LONG_TYPE = 1;\n");
+ fprintf(out, " private static final byte STRING_TYPE = 2;\n");
+ fprintf(out, " private static final byte LIST_TYPE = 3;\n");
+ fprintf(out, " private static final byte FLOAT_TYPE = 4;\n");
+
+ // Size of each value type.
+ // Booleans, ints, floats, and enums take 5 bytes, 1 for the type and 4 for the value.
+ fprintf(out, " private static final int INT_TYPE_SIZE = 5;\n");
+ fprintf(out, " private static final int FLOAT_TYPE_SIZE = 5;\n");
+ // Longs take 9 bytes, 1 for the type and 8 for the value.
+ fprintf(out, " private static final int LONG_TYPE_SIZE = 9;\n");
+ // Strings take 5 metadata bytes: 1 byte is for the type, 4 are for the length.
+ fprintf(out, " private static final int STRING_TYPE_OVERHEAD = 5;\n");
+ fprintf(out, " private static final int LIST_TYPE_OVERHEAD = 2;\n");
+
+ write_java_atom_codes(out, atoms, moduleName);
+
+ write_java_enum_values(out, atoms, moduleName);
+
+ int errors = 0;
+ int requiredHelpers = 0;
+ // Print write methods
+ fprintf(out, " // Write methods\n");
+ errors += write_java_method_for_module(out, atoms.signatures_to_modules, attributionDecl,
+ moduleName, &requiredHelpers);
+ errors += write_java_non_chained_method_for_module(out, atoms.non_chained_signatures_to_modules,
+ moduleName);
+
+ fprintf(out, " // Helper methods for copying primitives\n");
+ write_java_helpers_for_module(out, attributionDecl, requiredHelpers);
+
+ fprintf(out, "}\n");
+
+ return errors;
+}
+
static const char*
jni_type_name(java_type_t type)
{
@@ -1346,7 +1777,11 @@ print_usage()
fprintf(stderr, " --namespace COMMA,SEP,NAMESPACE required for cpp/header with module\n");
fprintf(stderr, " comma separated namespace of the files\n");
fprintf(stderr, " --importHeader NAME required for cpp/jni to say which header to import\n");
-}
+ fprintf(stderr, " --javaPackage PACKAGE the package for the java file.\n");
+ fprintf(stderr, " required for java with module\n");
+ fprintf(stderr, " --javaClass CLASS the class name of the java class.\n");
+ fprintf(stderr, " Optional for Java with module.\n");
+ fprintf(stderr, " Default is \"StatsLogInternal\"\n");}
/**
* Do the argument parsing and execute the tasks.
@@ -1362,6 +1797,8 @@ run(int argc, char const*const* argv)
string moduleName = DEFAULT_MODULE_NAME;
string cppNamespace = DEFAULT_CPP_NAMESPACE;
string cppHeaderImport = DEFAULT_CPP_HEADER_IMPORT;
+ string javaPackage = DEFAULT_JAVA_PACKAGE;
+ string javaClass = DEFAULT_JAVA_CLASS;
int index = 1;
while (index < argc) {
@@ -1417,6 +1854,20 @@ run(int argc, char const*const* argv)
return 1;
}
cppHeaderImport = argv[index];
+ } else if (0 == strcmp("--javaPackage", argv[index])) {
+ index++;
+ if (index >= argc) {
+ print_usage();
+ return 1;
+ }
+ javaPackage = argv[index];
+ } else if (0 == strcmp("--javaClass", argv[index])) {
+ index++;
+ if (index >= argc) {
+ print_usage();
+ return 1;
+ }
+ javaClass = argv[index];
}
index++;
}
@@ -1486,8 +1937,18 @@ run(int argc, char const*const* argv)
fprintf(stderr, "Unable to open file for write: %s\n", javaFilename.c_str());
return 1;
}
- errorCount = android::stats_log_api_gen::write_stats_log_java(
- out, atoms, attributionDecl);
+ // If this is for a specific module, the java package must also be provided.
+ if (moduleName != DEFAULT_MODULE_NAME && javaPackage== DEFAULT_JAVA_PACKAGE) {
+ fprintf(stderr, "Must supply --javaPackage if supplying a specific module\n");
+ return 1;
+ }
+ if (moduleName == DEFAULT_MODULE_NAME) {
+ errorCount = android::stats_log_api_gen::write_stats_log_java(
+ out, atoms, attributionDecl);
+ } else {
+ errorCount = android::stats_log_api_gen::write_stats_log_java_for_module(
+ out, atoms, attributionDecl, moduleName, javaClass, javaPackage);
+ }
fclose(out);
}
@@ -1503,7 +1964,7 @@ run(int argc, char const*const* argv)
fclose(out);
}
- return 0;
+ return errorCount;
}
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-28 20:17:42 +0000