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-rw-r--r--twrpTar.cpp315
1 files changed, 298 insertions, 17 deletions
diff --git a/twrpTar.cpp b/twrpTar.cpp
index 7f00da5c7..28ac91ac1 100644
--- a/twrpTar.cpp
+++ b/twrpTar.cpp
@@ -40,6 +40,10 @@ extern "C" {
#include "twcommon.h"
#include "variables.h"
#include "twrp-functions.hpp"
+#ifndef BUILD_TWRPTAR_MAIN
+#include "data.hpp"
+#include "infomanager.hpp"
+#endif //ndef BUILD_TWRPTAR_MAIN
using namespace std;
@@ -75,20 +79,35 @@ void twrpTar::setpassword(string pass) {
password = pass;
}
-int twrpTar::createTarFork() {
+int twrpTar::createTarFork(const unsigned long long *overall_size, const unsigned long long *other_backups_size) {
int status = 0;
pid_t pid, rc_pid;
+ int progress_pipe[2], ret;
+
+ file_count = 0;
+
+ if (pipe(progress_pipe) < 0) {
+ LOGERR("Error creating progress tracking pipe\n");
+ return -1;
+ }
if ((pid = fork()) == -1) {
LOGINFO("create tar failed to fork.\n");
+ close(progress_pipe[0]);
+ close(progress_pipe[1]);
return -1;
}
if (pid == 0) {
// Child process
+
+ // Child closes input side of progress pipe
+ close(progress_pipe[0]);
+ progress_pipe_fd = progress_pipe[1];
+
if (use_encryption || userdata_encryption) {
LOGINFO("Using encryption\n");
DIR* d;
struct dirent* de;
- unsigned long long regular_size = 0, encrypt_size = 0, target_size = 0, core_count = 1;
+ unsigned long long regular_size = 0, encrypt_size = 0, target_size = 0, core_count = 1, total_size;
unsigned enc_thread_id = 1, regular_thread_id = 0, i, start_thread_id = 1;
int item_len, ret, thread_error = 0;
std::vector<TarListStruct> RegularList;
@@ -110,6 +129,7 @@ int twrpTar::createTarFork() {
d = opendir(tardir.c_str());
if (d == NULL) {
LOGERR("error opening '%s'\n", tardir.c_str());
+ close(progress_pipe[1]);
_exit(-1);
}
// Figure out the size of all data to be encrypted and create a list of unencrypted files
@@ -121,11 +141,15 @@ int twrpTar::createTarFork() {
if (de->d_type == DT_DIR) {
item_len = strlen(de->d_name);
if (userdata_encryption && ((item_len >= 3 && strncmp(de->d_name, "app", 3) == 0) || (item_len >= 6 && strncmp(de->d_name, "dalvik", 6) == 0))) {
- if (Generate_TarList(FileName, &RegularList, &target_size, &regular_thread_id) < 0) {
+ ret = Generate_TarList(FileName, &RegularList, &target_size, &regular_thread_id);
+ if (ret < 0) {
LOGERR("Error in Generate_TarList with regular list!\n");
closedir(d);
+ close(progress_pipe_fd);
+ close(progress_pipe[1]);
_exit(-1);
}
+ file_count = (unsigned long long)(ret);
regular_size += du.Get_Folder_Size(FileName);
} else {
encrypt_size += du.Get_Folder_Size(FileName);
@@ -152,6 +176,7 @@ int twrpTar::createTarFork() {
d = opendir(tardir.c_str());
if (d == NULL) {
LOGERR("error opening '%s'\n", tardir.c_str());
+ close(progress_pipe[1]);
_exit(-1);
}
// Divide up the encrypted file list for threading
@@ -166,11 +191,14 @@ int twrpTar::createTarFork() {
// Do nothing, we added these to RegularList earlier
} else {
FileName = tardir + "/" + de->d_name;
- if (Generate_TarList(FileName, &EncryptList, &target_size, &enc_thread_id) < 0) {
+ ret = Generate_TarList(FileName, &EncryptList, &target_size, &enc_thread_id);
+ if (ret < 0) {
LOGERR("Error in Generate_TarList with encrypted list!\n");
closedir(d);
+ close(progress_pipe[1]);
_exit(-1);
}
+ file_count += (unsigned long long)(ret);
}
} else if (de->d_type == DT_REG || de->d_type == DT_LNK) {
stat(FileName.c_str(), &st);
@@ -179,17 +207,26 @@ int twrpTar::createTarFork() {
TarItem.fn = FileName;
TarItem.thread_id = enc_thread_id;
EncryptList.push_back(TarItem);
+ file_count++;
}
}
closedir(d);
if (enc_thread_id != core_count) {
LOGERR("Error dividing up threads for encryption, %i threads for %i cores!\n", enc_thread_id, core_count);
- if (enc_thread_id > core_count)
+ if (enc_thread_id > core_count) {
+ close(progress_pipe[1]);
_exit(-1);
- else
+ } else {
LOGERR("Continuining anyway.");
+ }
}
+ // Send file count to parent
+ write(progress_pipe_fd, &file_count, sizeof(file_count));
+ // Send backup size to parent
+ total_size = regular_size + encrypt_size;
+ write(progress_pipe_fd, &total_size, sizeof(total_size));
+
if (userdata_encryption) {
// Create a backup of unencrypted data
reg.setfn(tarfn);
@@ -198,23 +235,28 @@ int twrpTar::createTarFork() {
reg.use_encryption = 0;
reg.use_compression = use_compression;
reg.split_archives = 1;
+ reg.progress_pipe_fd = progress_pipe_fd;
LOGINFO("Creating unencrypted backup...\n");
if (createList((void*)&reg) != 0) {
LOGERR("Error creating unencrypted backup.\n");
+ close(progress_pipe[1]);
_exit(-1);
}
}
if (pthread_attr_init(&tattr)) {
LOGERR("Unable to pthread_attr_init\n");
+ close(progress_pipe[1]);
_exit(-1);
}
if (pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_JOINABLE)) {
LOGERR("Error setting pthread_attr_setdetachstate\n");
+ close(progress_pipe[1]);
_exit(-1);
}
if (pthread_attr_setscope(&tattr, PTHREAD_SCOPE_SYSTEM)) {
LOGERR("Error setting pthread_attr_setscope\n");
+ close(progress_pipe[1]);
_exit(-1);
}
/*if (pthread_attr_setstacksize(&tattr, 524288)) {
@@ -232,12 +274,14 @@ int twrpTar::createTarFork() {
enc[i].setpassword(password);
enc[i].use_compression = use_compression;
enc[i].split_archives = 1;
+ enc[i].progress_pipe_fd = progress_pipe_fd;
LOGINFO("Start encryption thread %i\n", i);
ret = pthread_create(&enc_thread[i], &tattr, createList, (void*)&enc[i]);
if (ret) {
- LOGINFO("Unable to create %i thread for encryption! %i\nContinuing in same thread (backup will be slower).", i, ret);
+ LOGINFO("Unable to create %i thread for encryption! %i\nContinuing in same thread (backup will be slower).\n", i, ret);
if (createList((void*)&enc[i]) != 0) {
LOGERR("Error creating encrypted backup %i.\n", i);
+ close(progress_pipe[1]);
_exit(-1);
} else {
enc[i].thread_id = i + 1;
@@ -252,6 +296,7 @@ int twrpTar::createTarFork() {
if (enc[i].thread_id == i) {
if (pthread_join(enc_thread[i], &thread_return)) {
LOGERR("Error joining thread %i\n", i);
+ close(progress_pipe[1]);
_exit(-1);
} else {
LOGINFO("Joined thread %i.\n", i);
@@ -259,6 +304,7 @@ int twrpTar::createTarFork() {
if (ret != 0) {
thread_error = 1;
LOGERR("Thread %i returned an error %i.\n", i, ret);
+ close(progress_pipe[1]);
_exit(-1);
}
}
@@ -268,21 +314,28 @@ int twrpTar::createTarFork() {
}
if (thread_error) {
LOGERR("Error returned by one or more threads.\n");
+ close(progress_pipe[1]);
_exit(-1);
}
LOGINFO("Finished encrypted backup.\n");
+ close(progress_pipe[1]);
_exit(0);
} else {
+ // Not encrypted
std::vector<TarListStruct> FileList;
unsigned thread_id = 0;
unsigned long long target_size = 0;
twrpTar reg;
+ int ret;
// Generate list of files to back up
- if (Generate_TarList(tardir, &FileList, &target_size, &thread_id) < 0) {
+ ret = Generate_TarList(tardir, &FileList, &target_size, &thread_id);
+ if (ret < 0) {
LOGERR("Error in Generate_TarList!\n");
+ close(progress_pipe[1]);
_exit(-1);
}
+ file_count = (unsigned long long)(ret);
// Create a backup
reg.setfn(tarfn);
reg.ItemList = &FileList;
@@ -290,6 +343,7 @@ int twrpTar::createTarFork() {
reg.use_encryption = 0;
reg.use_compression = use_compression;
reg.setsize(Total_Backup_Size);
+ reg.progress_pipe_fd = progress_pipe_fd;
if (Total_Backup_Size > MAX_ARCHIVE_SIZE) {
gui_print("Breaking backup file into multiple archives...\n");
reg.split_archives = 1;
@@ -297,28 +351,96 @@ int twrpTar::createTarFork() {
reg.split_archives = 0;
}
LOGINFO("Creating backup...\n");
+ write(progress_pipe_fd, &file_count, sizeof(file_count));
+ write(progress_pipe_fd, &Total_Backup_Size, sizeof(Total_Backup_Size));
if (createList((void*)&reg) != 0) {
LOGERR("Error creating backup.\n");
+ close(progress_pipe[1]);
_exit(-1);
}
+ close(progress_pipe[1]);
_exit(0);
}
} else {
+ // Parent side
+ unsigned long long fs, size_backup, files_backup, total_backup_size;
+ int first_data = 0;
+ double display_percent, progress_percent;
+ char file_progress[1024];
+ char size_progress[1024];
+ files_backup = 0;
+ size_backup = 0;
+
+ // Parent closes output side
+ close(progress_pipe[1]);
+
+ // Read progress data from children
+ while (read(progress_pipe[0], &fs, sizeof(fs)) > 0) {
+ if (first_data == 0) {
+ // First incoming data is the file count
+ file_count = fs;
+ if (file_count == 0) file_count = 1; // prevent division by 0 below
+ first_data = 1;
+ } else if (first_data == 1) {
+ // Second incoming data is total size
+ total_backup_size = fs;
+ first_data = 2;
+ } else {
+ files_backup++;
+ size_backup += fs;
+ display_percent = (double)(files_backup) / (double)(file_count) * 100;
+ sprintf(file_progress, "%llu of %llu files, %i%%", files_backup, file_count, (int)(display_percent));
+#ifndef BUILD_TWRPTAR_MAIN
+ DataManager::SetValue("tw_file_progress", file_progress);
+ display_percent = (double)(size_backup + *other_backups_size) / (double)(*overall_size) * 100;
+ sprintf(size_progress, "%lluMB of %lluMB, %i%%", (size_backup + *other_backups_size) / 1048576, *overall_size / 1048576, (int)(display_percent));
+ DataManager::SetValue("tw_size_progress", size_progress);
+ progress_percent = (display_percent / 100);
+ DataManager::SetProgress((float)(progress_percent));
+#endif //ndef BUILD_TWRPTAR_MAIN
+ }
+ }
+ close(progress_pipe[0]);
+#ifndef BUILD_TWRPTAR_MAIN
+ DataManager::SetValue("tw_file_progress", "");
+ DataManager::SetValue("tw_size_progress", "");
+
+ InfoManager backup_info(backup_folder + partition_name + ".info");
+ backup_info.SetValue("backup_size", size_backup);
+ if (use_compression && use_encryption)
+ backup_info.SetValue("backup_type", 3);
+ else if (use_encryption)
+ backup_info.SetValue("backup_type", 2);
+ else if (use_compression)
+ backup_info.SetValue("backup_type", 1);
+ else
+ backup_info.SetValue("backup_type", 0);
+ backup_info.SetValue("file_count", files_backup);
+ backup_info.SaveValues();
+#endif //ndef BUILD_TWRPTAR_MAIN
if (TWFunc::Wait_For_Child(pid, &status, "createTarFork()") != 0)
return -1;
}
return 0;
}
-int twrpTar::extractTarFork() {
+int twrpTar::extractTarFork(const unsigned long long *overall_size, unsigned long long *other_backups_size) {
int status = 0;
pid_t pid, rc_pid;
+ int progress_pipe[2], ret;
+
+ if (pipe(progress_pipe) < 0) {
+ LOGERR("Error creating progress tracking pipe\n");
+ return -1;
+ }
pid = fork();
if (pid >= 0) // fork was successful
{
if (pid == 0) // child process
{
+ close(progress_pipe[0]);
+ progress_pipe_fd = progress_pipe[1];
if (TWFunc::Path_Exists(tarfn)) {
LOGINFO("Single archive\n");
if (extract() != 0)
@@ -340,14 +462,17 @@ int twrpTar::extractTarFork() {
tarfn += "000";
if (!TWFunc::Path_Exists(tarfn)) {
LOGERR("Unable to locate '%s' or '%s'\n", basefn.c_str(), tarfn.c_str());
+ close(progress_pipe_fd);
_exit(-1);
}
if (TWFunc::Get_File_Type(tarfn) != 2) {
LOGINFO("First tar file '%s' not encrypted\n", tarfn.c_str());
tars[0].basefn = basefn;
tars[0].thread_id = 0;
+ tars[0].progress_pipe_fd = progress_pipe_fd;
if (extractMulti((void*)&tars[0]) != 0) {
LOGERR("Error extracting split archive.\n");
+ close(progress_pipe_fd);
_exit(-1);
}
} else {
@@ -356,18 +481,22 @@ int twrpTar::extractTarFork() {
// Start threading encrypted restores
if (pthread_attr_init(&tattr)) {
LOGERR("Unable to pthread_attr_init\n");
+ close(progress_pipe_fd);
_exit(-1);
}
if (pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_JOINABLE)) {
LOGERR("Error setting pthread_attr_setdetachstate\n");
+ close(progress_pipe_fd);
_exit(-1);
}
if (pthread_attr_setscope(&tattr, PTHREAD_SCOPE_SYSTEM)) {
LOGERR("Error setting pthread_attr_setscope\n");
+ close(progress_pipe_fd);
_exit(-1);
}
/*if (pthread_attr_setstacksize(&tattr, 524288)) {
LOGERR("Error setting pthread_attr_setstacksize\n");
+ close(progress_pipe_fd);
_exit(-1);
}*/
for (i = start_thread_id; i < 9; i++) {
@@ -377,12 +506,14 @@ int twrpTar::extractTarFork() {
tars[i].basefn = basefn;
tars[i].setpassword(password);
tars[i].thread_id = i;
+ tars[i].progress_pipe_fd = progress_pipe_fd;
LOGINFO("Creating extract thread ID %i\n", i);
ret = pthread_create(&tar_thread[i], &tattr, extractMulti, (void*)&tars[i]);
if (ret) {
- LOGINFO("Unable to create %i thread for extraction! %i\nContinuing in same thread (restore will be slower).", i, ret);
+ LOGINFO("Unable to create %i thread for extraction! %i\nContinuing in same thread (restore will be slower).\n", i, ret);
if (extractMulti((void*)&tars[i]) != 0) {
LOGERR("Error extracting backup in thread %i.\n", i);
+ close(progress_pipe_fd);
_exit(-1);
} else {
tars[i].thread_id = i + 1;
@@ -397,6 +528,7 @@ int twrpTar::extractTarFork() {
if (tars[i].thread_id == i) {
if (pthread_join(tar_thread[i], &thread_return)) {
LOGERR("Error joining thread %i\n", i);
+ close(progress_pipe_fd);
_exit(-1);
} else {
LOGINFO("Joined thread %i.\n", i);
@@ -404,6 +536,7 @@ int twrpTar::extractTarFork() {
if (ret != 0) {
thread_error = 1;
LOGERR("Thread %i returned an error %i.\n", i, ret);
+ close(progress_pipe_fd);
_exit(-1);
}
}
@@ -413,20 +546,49 @@ int twrpTar::extractTarFork() {
}
if (thread_error) {
LOGERR("Error returned by one or more threads.\n");
+ close(progress_pipe_fd);
_exit(-1);
}
- LOGINFO("Finished encrypted backup.\n");
+ LOGINFO("Finished encrypted restore.\n");
+ close(progress_pipe_fd);
_exit(0);
}
}
else // parent process
{
+ unsigned long long fs, size_backup;
+ double display_percent, progress_percent;
+ char size_progress[1024];
+ size_backup = 0;
+
+ // Parent closes output side
+ close(progress_pipe[1]);
+
+ // Read progress data from children
+ while (read(progress_pipe[0], &fs, sizeof(fs)) > 0) {
+ size_backup += fs;
+ display_percent = (double)(size_backup + *other_backups_size) / (double)(*overall_size) * 100;
+ sprintf(size_progress, "%lluMB of %lluMB, %i%%", (size_backup + *other_backups_size) / 1048576, *overall_size / 1048576, (int)(display_percent));
+ progress_percent = (display_percent / 100);
+#ifndef BUILD_TWRPTAR_MAIN
+ DataManager::SetValue("tw_size_progress", size_progress);
+ DataManager::SetProgress((float)(progress_percent));
+#endif //ndef BUILD_TWRPTAR_MAIN
+ }
+ close(progress_pipe[0]);
+#ifndef BUILD_TWRPTAR_MAIN
+ DataManager::SetValue("tw_file_progress", "");
+#endif //ndef BUILD_TWRPTAR_MAIN
+ *other_backups_size += size_backup;
+
if (TWFunc::Wait_For_Child(pid, &status, "extractTarFork()") != 0)
return -1;
}
}
else // fork has failed
{
+ close(progress_pipe[0]);
+ close(progress_pipe[1]);
LOGINFO("extract tar failed to fork.\n");
return -1;
}
@@ -440,6 +602,8 @@ int twrpTar::Generate_TarList(string Path, std::vector<TarListStruct> *TarList,
string FileName;
struct TarListStruct TarItem;
string::size_type i;
+ int ret, file_count;
+ file_count = 0;
d = opendir(Path.c_str());
if (d == NULL) {
@@ -456,13 +620,17 @@ int twrpTar::Generate_TarList(string Path, std::vector<TarListStruct> *TarList,
TarItem.thread_id = *thread_id;
if (de->d_type == DT_DIR) {
TarList->push_back(TarItem);
- if (Generate_TarList(FileName, TarList, Target_Size, thread_id) < 0)
+ ret = Generate_TarList(FileName, TarList, Target_Size, thread_id);
+ if (ret < 0)
return -1;
+ file_count += ret;
} else if (de->d_type == DT_REG || de->d_type == DT_LNK) {
stat(FileName.c_str(), &st);
TarList->push_back(TarItem);
- if (de->d_type == DT_REG)
+ if (de->d_type == DT_REG) {
+ file_count++;
Archive_Current_Size += st.st_size;
+ }
if (Archive_Current_Size != 0 && *Target_Size != 0 && Archive_Current_Size > *Target_Size) {
*thread_id = *thread_id + 1;
Archive_Current_Size = 0;
@@ -470,14 +638,14 @@ int twrpTar::Generate_TarList(string Path, std::vector<TarListStruct> *TarList,
}
}
closedir(d);
- return 0;
+ return file_count;
}
int twrpTar::extractTar() {
char* charRootDir = (char*) tardir.c_str();
if (openTar() == -1)
return -1;
- if (tar_extract_all(t, charRootDir) != 0) {
+ if (tar_extract_all(t, charRootDir, &progress_pipe_fd) != 0) {
LOGERR("Unable to extract tar archive '%s'\n", tarfn.c_str());
return -1;
}
@@ -525,6 +693,7 @@ int twrpTar::tarList(std::vector<TarListStruct> *TarList, unsigned thread_id) {
string temp;
char actual_filename[PATH_MAX];
char *ptr;
+ unsigned long long fs;
if (split_archives) {
basefn = tarfn;
@@ -547,7 +716,8 @@ int twrpTar::tarList(std::vector<TarListStruct> *TarList, unsigned thread_id) {
strcpy(buf, TarList->at(i).fn.c_str());
lstat(buf, &st);
if (S_ISREG(st.st_mode)) { // item is a regular file
- if (split_archives && Archive_Current_Size + (unsigned long long)(st.st_size) > MAX_ARCHIVE_SIZE) {
+ fs = (unsigned long long)(st.st_size);
+ if (split_archives && Archive_Current_Size + fs > MAX_ARCHIVE_SIZE) {
if (closeTar() != 0) {
LOGERR("Error closing '%s' on thread %i\n", tarfn.c_str(), thread_id);
return -3;
@@ -566,7 +736,8 @@ int twrpTar::tarList(std::vector<TarListStruct> *TarList, unsigned thread_id) {
}
Archive_Current_Size = 0;
}
- Archive_Current_Size += (unsigned long long)(st.st_size);
+ Archive_Current_Size += fs;
+ write(progress_pipe_fd, &fs, sizeof(fs));
}
LOGINFO("addFile '%s' including root: %i\n", buf, include_root_dir);
if (addFile(buf, include_root_dir) != 0) {
@@ -1106,6 +1277,116 @@ int twrpTar::entryExists(string entry) {
return ret;
}
+unsigned long long twrpTar::get_size() {
+ if (TWFunc::Path_Exists(tarfn)) {
+ LOGINFO("Single archive\n");
+ int type = 0;
+ return uncompressedSize(tarfn, &type);
+ } else {
+ LOGINFO("Multiple archives\n");
+ string temp;
+ char actual_filename[255];
+ int archive_count = 0, i, type = 0, temp_type = 0;
+ unsigned long long total_restore_size = 0;
+
+ basefn = tarfn;
+ temp = basefn + "%i%02i";
+ tarfn += "000";
+ thread_id = 0;
+ sprintf(actual_filename, temp.c_str(), thread_id, archive_count);
+ if (!TWFunc::Path_Exists(actual_filename)) {
+ LOGERR("Unable to locate '%s' or '%s'\n", basefn.c_str(), tarfn.c_str());
+ return 0;
+ }
+ for (i = 0; i < 9; i++) {
+ archive_count = 0;
+ sprintf(actual_filename, temp.c_str(), i, archive_count);
+ while (TWFunc::Path_Exists(actual_filename)) {
+ total_restore_size += uncompressedSize(actual_filename, &temp_type);
+ if (temp_type > type)
+ type = temp_type;
+ archive_count++;
+ if (archive_count > 99)
+ break;
+ sprintf(actual_filename, temp.c_str(), i, archive_count);
+ }
+ }
+#ifndef BUILD_TWRPTAR_MAIN
+ InfoManager backup_info(backup_folder + "/" + partition_name + ".info");
+ backup_info.SetValue("backup_size", total_restore_size);
+ backup_info.SetValue("backup_type", type);
+ backup_info.SaveValues();
+#endif //ndef BUILD_TWRPTAR_MAIN
+ return total_restore_size;
+ }
+ return 0;
+}
+
+unsigned long long twrpTar::uncompressedSize(string filename, int *archive_type) {
+ int type = 0;
+ unsigned long long total_size = 0;
+ string Tar, Command, result;
+ vector<string> split;
+
+ Tar = TWFunc::Get_Filename(filename);
+ type = TWFunc::Get_File_Type(filename);
+ if (type == 0) {
+ total_size = TWFunc::Get_File_Size(filename);
+ *archive_type = 0;
+ } else if (type == 1) {
+ // Compressed
+ Command = "pigz -l '" + filename + "'";
+ /* if we set Command = "pigz -l " + tarfn + " | sed '1d' | cut -f5 -d' '";
+ we get the uncompressed size at once. */
+ TWFunc::Exec_Cmd(Command, result);
+ if (!result.empty()) {
+ /* Expected output:
+ compressed original reduced name
+ 95855838 179403776 -1.3% data.yaffs2.win
+ ^
+ split[5]
+ */
+ split = TWFunc::split_string(result, ' ', true);
+ if (split.size() > 4)
+ total_size = atoi(split[5].c_str());
+ }
+ *archive_type = 1;
+ } else if (type == 2) {
+ // File is encrypted and may be compressed
+ int ret = TWFunc::Try_Decrypting_File(filename, password);
+ *archive_type = 2;
+ if (ret < 1) {
+ LOGERR("Failed to decrypt tar file '%s'\n", filename.c_str());
+ total_size = TWFunc::Get_File_Size(filename);
+ } else if (ret == 1) {
+ LOGERR("Decrypted file is not in tar format.\n");
+ total_size = TWFunc::Get_File_Size(filename);
+ } else if (ret == 3) {
+ *archive_type = 3;
+ Command = "openaes dec --key \"" + password + "\" --in '" + filename + "' | pigz -l";
+ /* if we set Command = "pigz -l " + tarfn + " | sed '1d' | cut -f5 -d' '";
+ we get the uncompressed size at once. */
+ TWFunc::Exec_Cmd(Command, result);
+ if (!result.empty()) {
+ LOGINFO("result was: '%s'\n", result.c_str());
+ /* Expected output:
+ compressed original reduced name
+ 95855838 179403776 -1.3% data.yaffs2.win
+ ^
+ split[5]
+ */
+ split = TWFunc::split_string(result, ' ', true);
+ if (split.size() > 4)
+ total_size = atoi(split[5].c_str());
+ }
+ } else {
+ total_size = TWFunc::Get_File_Size(filename);
+ }
+ }
+
+ return total_size;
+}
+
extern "C" ssize_t write_tar(int fd, const void *buffer, size_t size) {
return (ssize_t) write_libtar_buffer(fd, buffer, size);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 05:19:07 +0100