Revert "Add pulled atoms support for native clients in stats-log..."

Revert submission 12111163-native pulled atoms support

Reason for revert: ld.lld: error: undefined symbol: AStatsEvent_getBuffer
Bug link: https://b.corp.google.com/issues/151102177
Reverted Changes:
I57911864c:Add pulled atoms support for native clients in sta...
I069792c0e:Make libstatspull host supported

Change-Id: I665448247d3bf7d05251d302a38b2a7f61a7c071
diff --git a/apex/statsd/aidl/Android.bp b/apex/statsd/aidl/Android.bp
index f66cf7c..04339e6 100644
--- a/apex/statsd/aidl/Android.bp
+++ b/apex/statsd/aidl/Android.bp
@@ -30,7 +30,6 @@
         "android/os/StatsDimensionsValueParcel.aidl",
         "android/util/StatsEventParcel.aidl",
     ],
-    host_supported: true,
     backend: {
         java: {
             enabled: false, // framework-statsd and service-statsd use framework-statsd-aidl-sources
diff --git a/cmds/statsd/Android.bp b/cmds/statsd/Android.bp
index 1579715..124f815f 100644
--- a/cmds/statsd/Android.bp
+++ b/cmds/statsd/Android.bp
@@ -171,8 +171,7 @@
     export_generated_headers: ["statslog_statsdtest.h"],
     shared_libs: [
         "libstatssocket",
-        "libstatspull",
-    ],
+    ]
 }
 
 cc_library_static {
@@ -186,11 +185,7 @@
     ],
     shared_libs: [
         "libstatssocket",
-        "libstatspull",
-    ],
-    export_shared_lib_headers: [
-        "libstatspull",
-    ],
+    ]
 }
 
 // =========
diff --git a/tools/stats_log_api_gen/Android.bp b/tools/stats_log_api_gen/Android.bp
index 43387fc..e3b6db0 100644
--- a/tools/stats_log_api_gen/Android.bp
+++ b/tools/stats_log_api_gen/Android.bp
@@ -121,26 +121,10 @@
     ],
     target: {
         android: {
-            shared_libs: [
-                "libstatssocket",
-                "libstatspull",
-            ],
-            export_shared_lib_headers: [
-                 "libstatssocket",
-                 "libstatspull",
-            ],
+            shared_libs: ["libstatssocket"],
         },
         host: {
-            static_libs: [
-                "libstatssocket",
-                "libstatspull",
-                "statsd-aidl-ndk_platform",
-            ],
-            shared_libs: ["libbinder_ndk"],
-            export_static_lib_headers: [
-                "libstatssocket",
-                "libstatspull",
-            ],
+            static_libs: ["libstatssocket"],
         },
     },
 }
diff --git a/tools/stats_log_api_gen/native_writer.cpp b/tools/stats_log_api_gen/native_writer.cpp
index 21e88b3..0c6c009 100644
--- a/tools/stats_log_api_gen/native_writer.cpp
+++ b/tools/stats_log_api_gen/native_writer.cpp
@@ -82,77 +82,21 @@
     }
 }
 
-static int write_native_method_body(FILE* out, vector<java_type_t>& signature,
-                                    const FieldNumberToAtomDeclSet& fieldNumberToAtomDeclSet,
-                                    const AtomDecl& attributionDecl) {
-    int argIndex = 1;
-    fprintf(out, "    AStatsEvent_setAtomId(event, code);\n");
-    write_annotations(out, ATOM_ID_FIELD_NUMBER, fieldNumberToAtomDeclSet, "AStatsEvent_",
-                      "event, ");
-    for (vector<java_type_t>::const_iterator arg = signature.begin();
-         arg != signature.end(); arg++) {
-        switch (*arg) {
-            case JAVA_TYPE_ATTRIBUTION_CHAIN: {
-                const char* uidName = attributionDecl.fields.front().name.c_str();
-                const char* tagName = attributionDecl.fields.back().name.c_str();
-                fprintf(out,
-                        "    AStatsEvent_writeAttributionChain(event, "
-                        "reinterpret_cast<const uint32_t*>(%s), %s.data(), "
-                        "static_cast<uint8_t>(%s_length));\n",
-                        uidName, tagName, uidName);
-                break;
-            }
-            case JAVA_TYPE_BYTE_ARRAY:
-                fprintf(out,
-                        "    AStatsEvent_writeByteArray(event, "
-                        "reinterpret_cast<const uint8_t*>(arg%d.arg), "
-                        "arg%d.arg_length);\n",
-                        argIndex, argIndex);
-                break;
-            case JAVA_TYPE_BOOLEAN:
-                fprintf(out, "    AStatsEvent_writeBool(event, arg%d);\n", argIndex);
-                break;
-            case JAVA_TYPE_INT:  // Fall through.
-            case JAVA_TYPE_ENUM:
-                fprintf(out, "    AStatsEvent_writeInt32(event, arg%d);\n", argIndex);
-                break;
-            case JAVA_TYPE_FLOAT:
-                fprintf(out, "    AStatsEvent_writeFloat(event, arg%d);\n", argIndex);
-                break;
-            case JAVA_TYPE_LONG:
-                fprintf(out, "    AStatsEvent_writeInt64(event, arg%d);\n", argIndex);
-                break;
-            case JAVA_TYPE_STRING:
-                fprintf(out, "    AStatsEvent_writeString(event, arg%d);\n", argIndex);
-                break;
-            default:
-                // Unsupported types: OBJECT, DOUBLE, KEY_VALUE_PAIRS
-                fprintf(stderr, "Encountered unsupported type.");
-                return 1;
-        }
-        write_annotations(out, argIndex, fieldNumberToAtomDeclSet, "AStatsEvent_",
-                          "event, ");
-        argIndex++;
-    }
-    return 0;
-}
-
-static int write_native_stats_write_methods(FILE* out, const SignatureInfoMap& signatureInfoMap,
+static int write_native_stats_write_methods(FILE* out, const Atoms& atoms,
                                             const AtomDecl& attributionDecl, const bool supportQ) {
     fprintf(out, "\n");
-    for (auto signatureInfoMapIt = signatureInfoMap.begin();
-         signatureInfoMapIt != signatureInfoMap.end(); signatureInfoMapIt++) {
+    for (auto signatureInfoMapIt = atoms.signatureInfoMap.begin();
+         signatureInfoMapIt != atoms.signatureInfoMap.end(); signatureInfoMapIt++) {
         vector<java_type_t> signature = signatureInfoMapIt->first;
         const FieldNumberToAtomDeclSet& fieldNumberToAtomDeclSet = signatureInfoMapIt->second;
         // Key value pairs not supported in native.
         if (find(signature.begin(), signature.end(), JAVA_TYPE_KEY_VALUE_PAIR) != signature.end()) {
             continue;
         }
-        write_native_method_signature(out, "int stats_write(", signature, attributionDecl, " {");
+        write_native_method_signature(out, "int stats_write", signature, attributionDecl, " {");
 
-        // Write method body.
+        int argIndex = 1;
         if (supportQ) {
-            int argIndex = 1;
             fprintf(out, "    StatsEventCompat event;\n");
             fprintf(out, "    event.setAtomId(code);\n");
             write_annotations(out, ATOM_ID_FIELD_NUMBER, fieldNumberToAtomDeclSet, "event.", "");
@@ -194,36 +138,78 @@
                 write_annotations(out, argIndex, fieldNumberToAtomDeclSet, "event.", "");
                 argIndex++;
             }
-            fprintf(out, "    return event.writeToSocket();\n"); // end method body.
+            fprintf(out, "    return event.writeToSocket();\n");
         } else {
             fprintf(out, "    AStatsEvent* event = AStatsEvent_obtain();\n");
-            int ret = write_native_method_body(out, signature, fieldNumberToAtomDeclSet,
-                                               attributionDecl);
-            if (ret != 0) {
-                return ret;
+            fprintf(out, "    AStatsEvent_setAtomId(event, code);\n");
+            write_annotations(out, ATOM_ID_FIELD_NUMBER, fieldNumberToAtomDeclSet, "AStatsEvent_",
+                              "event, ");
+            for (vector<java_type_t>::const_iterator arg = signature.begin();
+                 arg != signature.end(); arg++) {
+                switch (*arg) {
+                    case JAVA_TYPE_ATTRIBUTION_CHAIN: {
+                        const char* uidName = attributionDecl.fields.front().name.c_str();
+                        const char* tagName = attributionDecl.fields.back().name.c_str();
+                        fprintf(out,
+                                "    AStatsEvent_writeAttributionChain(event, "
+                                "reinterpret_cast<const uint32_t*>(%s), %s.data(), "
+                                "static_cast<uint8_t>(%s_length));\n",
+                                uidName, tagName, uidName);
+                        break;
+                    }
+                    case JAVA_TYPE_BYTE_ARRAY:
+                        fprintf(out,
+                                "    AStatsEvent_writeByteArray(event, "
+                                "reinterpret_cast<const uint8_t*>(arg%d.arg), "
+                                "arg%d.arg_length);\n",
+                                argIndex, argIndex);
+                        break;
+                    case JAVA_TYPE_BOOLEAN:
+                        fprintf(out, "    AStatsEvent_writeBool(event, arg%d);\n", argIndex);
+                        break;
+                    case JAVA_TYPE_INT:  // Fall through.
+                    case JAVA_TYPE_ENUM:
+                        fprintf(out, "    AStatsEvent_writeInt32(event, arg%d);\n", argIndex);
+                        break;
+                    case JAVA_TYPE_FLOAT:
+                        fprintf(out, "    AStatsEvent_writeFloat(event, arg%d);\n", argIndex);
+                        break;
+                    case JAVA_TYPE_LONG:
+                        fprintf(out, "    AStatsEvent_writeInt64(event, arg%d);\n", argIndex);
+                        break;
+                    case JAVA_TYPE_STRING:
+                        fprintf(out, "    AStatsEvent_writeString(event, arg%d);\n", argIndex);
+                        break;
+                    default:
+                        // Unsupported types: OBJECT, DOUBLE, KEY_VALUE_PAIRS
+                        fprintf(stderr, "Encountered unsupported type.");
+                        return 1;
+                }
+                write_annotations(out, argIndex, fieldNumberToAtomDeclSet, "AStatsEvent_",
+                                  "event, ");
+                argIndex++;
             }
             fprintf(out, "    const int ret = AStatsEvent_write(event);\n");
             fprintf(out, "    AStatsEvent_release(event);\n");
-            fprintf(out, "    return ret;\n"); // end method body.
+            fprintf(out, "    return ret;\n");
         }
-        fprintf(out, "}\n\n"); // end method.
+        fprintf(out, "}\n\n");
     }
     return 0;
 }
 
-static void write_native_stats_write_non_chained_methods(FILE* out,
-                                                         const SignatureInfoMap& signatureInfoMap,
+static void write_native_stats_write_non_chained_methods(FILE* out, const Atoms& atoms,
                                                          const AtomDecl& attributionDecl) {
     fprintf(out, "\n");
-    for (auto signature_it = signatureInfoMap.begin();
-         signature_it != signatureInfoMap.end(); signature_it++) {
+    for (auto signature_it = atoms.nonChainedSignatureInfoMap.begin();
+         signature_it != atoms.nonChainedSignatureInfoMap.end(); signature_it++) {
         vector<java_type_t> signature = signature_it->first;
         // Key value pairs not supported in native.
         if (find(signature.begin(), signature.end(), JAVA_TYPE_KEY_VALUE_PAIR) != signature.end()) {
             continue;
         }
 
-        write_native_method_signature(out, "int stats_write_non_chained(", signature,
+        write_native_method_signature(out, "int stats_write_non_chained", signature,
                                       attributionDecl, " {");
 
         vector<java_type_t> newSignature;
@@ -249,34 +235,6 @@
     }
 }
 
-static int write_native_build_stats_event_methods(FILE* out,
-                                                  const SignatureInfoMap& signatureInfoMap,
-                                                  const AtomDecl& attributionDecl) {
-    fprintf(out, "\n");
-    for (auto signatureInfoMapIt = signatureInfoMap.begin();
-         signatureInfoMapIt != signatureInfoMap.end(); signatureInfoMapIt++) {
-        vector<java_type_t> signature = signatureInfoMapIt->first;
-        const FieldNumberToAtomDeclSet& fieldNumberToAtomDeclSet = signatureInfoMapIt->second;
-        // Key value pairs not supported in native.
-        if (find(signature.begin(), signature.end(), JAVA_TYPE_KEY_VALUE_PAIR) != signature.end()) {
-            continue;
-        }
-        write_native_method_signature(out, "void addAStatsEvent(AStatsEventList* pulled_data, ",
-                                      signature, attributionDecl, " {");
-
-        fprintf(out, "    AStatsEvent* event = AStatsEventList_addStatsEvent(pulled_data);\n");
-        int ret = write_native_method_body(out, signature, fieldNumberToAtomDeclSet,
-                                           attributionDecl);
-        if (ret != 0) {
-            return ret;
-        }
-        fprintf(out, "    AStatsEvent_build(event);\n"); // end method body.
-
-        fprintf(out, "}\n\n"); // end method.
-    }
-    return 0;
-}
-
 static void write_native_method_header(FILE* out, const string& methodName,
                                        const SignatureInfoMap& signatureInfoMap,
                                        const AtomDecl& attributionDecl) {
@@ -304,22 +262,13 @@
         fprintf(out, "#include <StatsEventCompat.h>\n");
     } else {
         fprintf(out, "#include <stats_event.h>\n");
-
-        if (!atoms.pulledAtomsSignatureInfoMap.empty()) {
-            fprintf(out, "#include <stats_pull_atom_callback.h>\n");
-        }
     }
 
-
-
     fprintf(out, "\n");
     write_namespace(out, cppNamespace);
 
-    write_native_stats_write_methods(out, atoms.signatureInfoMap, attributionDecl, supportQ);
-    write_native_stats_write_non_chained_methods(out, atoms.nonChainedSignatureInfoMap,
-                                                 attributionDecl);
-    write_native_build_stats_event_methods(out, atoms.pulledAtomsSignatureInfoMap,
-                                           attributionDecl);
+    write_native_stats_write_methods(out, atoms, attributionDecl, supportQ);
+    write_native_stats_write_non_chained_methods(out, atoms, attributionDecl);
 
     // Print footer
     fprintf(out, "\n");
@@ -339,9 +288,6 @@
     fprintf(out, "#include <vector>\n");
     fprintf(out, "#include <map>\n");
     fprintf(out, "#include <set>\n");
-    if (!atoms.pulledAtomsSignatureInfoMap.empty()) {
-        fprintf(out, "#include <stats_pull_atom_callback.h>\n");
-    }
     fprintf(out, "\n");
 
     write_namespace(out, cppNamespace);
@@ -391,22 +337,12 @@
     fprintf(out, "//\n");
     fprintf(out, "// Write methods\n");
     fprintf(out, "//\n");
-    write_native_method_header(out, "int stats_write(", atoms.signatureInfoMap, attributionDecl);
-    fprintf(out, "\n");
+    write_native_method_header(out, "int stats_write", atoms.signatureInfoMap, attributionDecl);
 
     fprintf(out, "//\n");
     fprintf(out, "// Write flattened methods\n");
     fprintf(out, "//\n");
-    write_native_method_header(out, "int stats_write_non_chained(", atoms.nonChainedSignatureInfoMap,
-                               attributionDecl);
-    fprintf(out, "\n");
-
-    // Print pulled atoms methods.
-    fprintf(out, "//\n");
-    fprintf(out, "// Add AStatsEvent methods\n");
-    fprintf(out, "//\n");
-    write_native_method_header(out, "void addAStatsEvent(AStatsEventList* pulled_data, ",
-                               atoms.pulledAtomsSignatureInfoMap,
+    write_native_method_header(out, "int stats_write_non_chained", atoms.nonChainedSignatureInfoMap,
                                attributionDecl);
 
     fprintf(out, "\n");
diff --git a/tools/stats_log_api_gen/utils.cpp b/tools/stats_log_api_gen/utils.cpp
index 4b37340..abb8913 100644
--- a/tools/stats_log_api_gen/utils.cpp
+++ b/tools/stats_log_api_gen/utils.cpp
@@ -182,10 +182,10 @@
     fprintf(out, "\n");
 }
 
-void write_native_method_signature(FILE* out, const string& signaturePrefix,
+void write_native_method_signature(FILE* out, const string& methodName,
                                    const vector<java_type_t>& signature,
                                    const AtomDecl& attributionDecl, const string& closer) {
-    fprintf(out, "%sint32_t code", signaturePrefix.c_str());
+    fprintf(out, "%s(int32_t code", methodName.c_str());
     int argIndex = 1;
     for (vector<java_type_t>::const_iterator arg = signature.begin(); arg != signature.end();
          arg++) {
diff --git a/tools/stats_log_api_gen/utils.h b/tools/stats_log_api_gen/utils.h
index 42dc90e..73e0cb8 100644
--- a/tools/stats_log_api_gen/utils.h
+++ b/tools/stats_log_api_gen/utils.h
@@ -59,7 +59,7 @@
 
 void write_native_atom_constants(FILE* out, const Atoms& atoms, const AtomDecl& attributionDecl);
 
-void write_native_method_signature(FILE* out, const string& signaturePrefix,
+void write_native_method_signature(FILE* out, const string& methodName,
                                    const vector<java_type_t>& signature,
                                    const AtomDecl& attributionDecl, const string& closer);