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Merge "BatteryStatsService: Allow unknown wakeup string"

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This commit is contained in:
Benjamin Schwartz
2021-01-06 17:28:21 +00:00
committed by Gerrit Code Review
parent 3b75f7a8e9 619a86ae59
commit 754d78cb7d
1 changed files with 7 additions and 59 deletions
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66
services/core/jni/com_android_server_am_BatteryStatsService.cpp
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@@ -46,6 +46,8 @@
#include <utils/misc.h>
#include <utils/Log.h>
#include <android-base/strings.h>
using android::hardware::hidl_vec;
using android::hardware::Return;
using android::hardware::Void;
@@ -200,67 +202,13 @@ static jint nativeWaitWakeup(JNIEnv *env, jobject clazz, jobject outBuf)
return 0;
}
char* mergedreasonpos = mergedreason;
int i = 0;
for (auto wakeupReason : wakeupReasons) {
auto reasonline = const_cast<char*>(wakeupReason.c_str());
char* pos = reasonline;
char* endPos;
int len;
// First field is the index or 'Abort'.
int irq = (int)strtol(pos, &endPos, 10);
if (pos != endPos) {
// Write the irq number to the merged reason string.
len = snprintf(mergedreasonpos, remainreasonlen, i == 0 ? "%d" : ":%d", irq);
} else {
// The first field is not an irq, it may be the word Abort.
const size_t abortPrefixLen = strlen("Abort:");
if (strncmp(pos, "Abort:", abortPrefixLen) != 0) {
// Ooops.
ALOGE("Bad reason line: %s", reasonline);
continue;
}
std::string mergedReasonStr = ::android::base::Join(wakeupReasons, ":");
strncpy(mergedreason, mergedReasonStr.c_str(), remainreasonlen);
mergedreason[remainreasonlen - 1] = '\0';
// Write 'Abort' to the merged reason string.
len = snprintf(mergedreasonpos, remainreasonlen, i == 0 ? "Abort" : ":Abort");
endPos = pos + abortPrefixLen;
}
pos = endPos;
ALOGV("Got %d reasons", (int)wakeupReasons.size());
if (len >= 0 && len < remainreasonlen) {
mergedreasonpos += len;
remainreasonlen -= len;
}
// Skip whitespace; rest of the buffer is the reason string.
while (*pos == ' ') {
pos++;
}
// Chop newline at end.
char* endpos = pos;
while (*endpos != 0) {
if (*endpos == '\n') {
*endpos = 0;
break;
}
endpos++;
}
len = snprintf(mergedreasonpos, remainreasonlen, ":%s", pos);
if (len >= 0 && len < remainreasonlen) {
mergedreasonpos += len;
remainreasonlen -= len;
}
i++;
}
ALOGV("Got %d reasons", i);
if (i > 0) {
*mergedreasonpos = 0;
}
return mergedreasonpos - mergedreason;
return strlen(mergedreason);
}
// The caller must be holding gPowerHalMutex.