Merge "applypatch: Consolidate CacheSizeCheck() and MakeFreeSpaceOnCache()."
am: 624b6b6cd5
Change-Id: I16278b00abcdcc532928b534462ff0762c64c1a2
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 13e4b1a..12e1399 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -420,14 +420,6 @@
return done;
}
-int CacheSizeCheck(size_t bytes) {
- if (MakeFreeSpaceOnCache(bytes) < 0) {
- LOG(ERROR) << "Failed to make " << bytes << " bytes available on /cache";
- return 1;
- }
- return 0;
-}
-
int applypatch(const char* source_filename, const char* target_filename,
const char* target_sha1_str, size_t /* target_size */,
const std::vector<std::string>& patch_sha1s,
@@ -562,8 +554,8 @@
CHECK(android::base::StartsWith(target_filename, "EMMC:"));
- // We still write the original source to cache, in case the partition write is interrupted.
- if (MakeFreeSpaceOnCache(source_file.data.size()) < 0) {
+ // We write the original source to cache, in case the partition write is interrupted.
+ if (!CheckAndFreeSpaceOnCache(source_file.data.size())) {
LOG(ERROR) << "Not enough free space on /cache";
return 1;
}
diff --git a/applypatch/freecache.cpp b/applypatch/freecache.cpp
index 4989b74..e487865 100644
--- a/applypatch/freecache.cpp
+++ b/applypatch/freecache.cpp
@@ -150,22 +150,22 @@
return free_space;
}
-int MakeFreeSpaceOnCache(size_t bytes_needed) {
+bool CheckAndFreeSpaceOnCache(size_t bytes) {
#ifndef __ANDROID__
// TODO(xunchang): Implement a heuristic cache size check during host simulation.
- LOG(WARNING) << "Skipped making (" << bytes_needed
+ LOG(WARNING) << "Skipped making (" << bytes
<< ") bytes free space on /cache; program is running on host";
- return 0;
+ return true;
#endif
std::vector<std::string> dirs{ "/cache", Paths::Get().cache_log_directory() };
for (const auto& dirname : dirs) {
- if (RemoveFilesInDirectory(bytes_needed, dirname, FreeSpaceForFile)) {
- return 0;
+ if (RemoveFilesInDirectory(bytes, dirname, FreeSpaceForFile)) {
+ return true;
}
}
- return -1;
+ return false;
}
bool RemoveFilesInDirectory(size_t bytes_needed, const std::string& dirname,
diff --git a/applypatch/include/applypatch/applypatch.h b/applypatch/include/applypatch/applypatch.h
index 88659b8..28dba7e 100644
--- a/applypatch/include/applypatch/applypatch.h
+++ b/applypatch/include/applypatch/applypatch.h
@@ -40,10 +40,6 @@
int ShowLicenses();
-// Checks whether /cache partition has at least 'bytes'-byte free space. Returns 0 on having
-// sufficient space.
-int CacheSizeCheck(size_t bytes);
-
// Parses a given string of 40 hex digits into 20-byte array 'digest'. 'str' may contain only the
// digest or be of the form "<digest>:<anything>". Returns 0 on success, or -1 on any error.
int ParseSha1(const std::string& str, uint8_t* digest);
@@ -113,7 +109,10 @@
// freecache.cpp
-int MakeFreeSpaceOnCache(size_t bytes_needed);
+// Checks whether /cache partition has at least 'bytes'-byte free space. Returns true immediately
+// if so. Otherwise, it will try to free some space by removing older logs, checks again and
+// returns the checking result.
+bool CheckAndFreeSpaceOnCache(size_t bytes);
// Removes the files in |dirname| until we have at least |bytes_needed| bytes of free space on the
// partition. |space_checker| should return the size of the free space, or -1 on error.
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index 6a6236b..2a2ab19 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -827,7 +827,7 @@
return -1;
}
- if (checkspace && CacheSizeCheck(blocks * BLOCKSIZE) != 0) {
+ if (checkspace && !CheckAndFreeSpaceOnCache(blocks * BLOCKSIZE)) {
LOG(ERROR) << "not enough space to write stash";
return -1;
}
@@ -919,7 +919,7 @@
return -1;
}
- if (CacheSizeCheck(max_stash_size) != 0) {
+ if (!CheckAndFreeSpaceOnCache(max_stash_size)) {
ErrorAbort(state, kStashCreationFailure, "not enough space for stash (%zu needed)",
max_stash_size);
return -1;
@@ -951,7 +951,7 @@
if (max_stash_size > existing) {
size_t needed = max_stash_size - existing;
- if (CacheSizeCheck(needed) != 0) {
+ if (!CheckAndFreeSpaceOnCache(needed)) {
ErrorAbort(state, kStashCreationFailure, "not enough space for stash (%zu more needed)",
needed);
return -1;
diff --git a/updater/install.cpp b/updater/install.cpp
index ba7bd55..f933345 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -686,7 +686,7 @@
}
// Skip the cache size check if the update is a retry.
- if (state->is_retry || CacheSizeCheck(bytes) == 0) {
+ if (state->is_retry || CheckAndFreeSpaceOnCache(bytes)) {
return StringValue("t");
}
return StringValue("");