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This commit is contained in:
Katarzyna Miernikiewicz 2020-09-15 10:16:00 +00:00
parent fa4b39578a
commit 8bcd99f86e
2 changed files with 26 additions and 21 deletions
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22
oss-internship-2020/jsonnet/examples/jsonnet_base_transaction.cc
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@ -15,35 +15,41 @@
#include "jsonnet_base_transaction.h"
absl::Status JsonnetTransaction::Main() {
JsonnetApi api(sandbox());
// Initialize library's main structure.
SAPI_ASSIGN_OR_RETURN(JsonnetVm* jsonnet_vm, api.c_jsonnet_make());
SAPI_ASSIGN_OR_RETURN(JsonnetVm * jsonnet_vm, api.c_jsonnet_make());
sapi::v::RemotePtr vm_pointer(jsonnet_vm);
// Read input file.
std::string in_file_in_sandboxee(std::string("/input/") +
basename(&in_file_[0]));
sapi::v::ConstCStr in_file_var(in_file_in_sandboxee.c_str());
SAPI_ASSIGN_OR_RETURN(char* input, api.c_read_input(false, in_file_var.PtrBefore()));
SAPI_ASSIGN_OR_RETURN(char* input,
api.c_read_input(false, in_file_var.PtrBefore()));
// Process jsonnet data.
sapi::v::RemotePtr input_pointer(input);
sapi::v::Int error;
SAPI_ASSIGN_OR_RETURN(char* output, api.c_jsonnet_evaluate_snippet(&vm_pointer, in_file_var.PtrBefore(), &input_pointer, error.PtrAfter()));
TRANSACTION_FAIL_IF_NOT(error.GetValue() == 0, "Jsonnet code evaluation failed.");
SAPI_ASSIGN_OR_RETURN(char* output, api.c_jsonnet_evaluate_snippet(
&vm_pointer, in_file_var.PtrBefore(),
&input_pointer, error.PtrAfter()));
TRANSACTION_FAIL_IF_NOT(error.GetValue() == 0,
"Jsonnet code evaluation failed.");
// Write data to file.
std::string out_file_in_sandboxee(std::string("/output/") +
basename(&out_file_[0]));
sapi::v::ConstCStr out_file_var(out_file_in_sandboxee.c_str());
sapi::v::RemotePtr output_pointer(output);
SAPI_ASSIGN_OR_RETURN(bool success, api.c_write_output_file(&output_pointer, out_file_var.PtrBefore()));
SAPI_ASSIGN_OR_RETURN(
bool success,
api.c_write_output_file(&output_pointer, out_file_var.PtrBefore()));
TRANSACTION_FAIL_IF_NOT(success, "Writing to output file failed.");
// Clean up.
SAPI_ASSIGN_OR_RETURN(char* result, api.c_jsonnet_realloc(&vm_pointer, &output_pointer, 0));
SAPI_ASSIGN_OR_RETURN(char* result,
api.c_jsonnet_realloc(&vm_pointer, &output_pointer, 0));
SAPI_RETURN_IF_ERROR(api.c_jsonnet_destroy(&vm_pointer));
SAPI_RETURN_IF_ERROR(api.c_free_input(&input_pointer));
@ -51,7 +57,6 @@ absl::Status JsonnetTransaction::Main() {
return absl::OkStatus();
}
int main(int argc, char* argv[]) {
google::InitGoogleLogging(argv[0]);
gflags::ParseCommandLineFlags(&argc, &argv, true);
@ -74,5 +79,4 @@ int main(int argc, char* argv[]) {
CHECK(result.ok());
return EXIT_SUCCESS;
}

25
oss-internship-2020/jsonnet/examples/jsonnet_base_transaction.h
View File

@ -12,18 +12,18 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include <syscall.h>
#include <libgen.h>
#include "sandboxed_api/transaction.h"
#include "sandboxed_api/vars.h"
#include "sandboxed_api/util/flag.h"
#include <syscall.h>
#include "jsonnet_sapi.sapi.h"
#include "sandboxed_api/transaction.h"
#include "sandboxed_api/util/flag.h"
#include "sandboxed_api/vars.h"
class JsonnetSapiTransactionSandbox : public JsonnetSandbox {
public:
explicit JsonnetSapiTransactionSandbox(std::string in_file, std::string out_file)
explicit JsonnetSapiTransactionSandbox(std::string in_file,
std::string out_file)
: in_file_(in_file), out_file_(out_file) {}
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
@ -53,16 +53,17 @@ class JsonnetSapiTransactionSandbox : public JsonnetSandbox {
class JsonnetTransaction : public sapi::Transaction {
public:
JsonnetTransaction(std::string in_file, std::string out_file)
: sapi::Transaction(std::make_unique<JsonnetSapiTransactionSandbox>(in_file, out_file)),
in_file_(in_file), out_file_(out_file)
{
sapi::Transaction::set_retry_count(0); // Try once, no retries
sapi::Transaction::SetTimeLimit(0); // Infinite time limit
: sapi::Transaction(
std::make_unique<JsonnetSapiTransactionSandbox>(in_file, out_file)),
in_file_(in_file),
out_file_(out_file) {
sapi::Transaction::set_retry_count(0); // Try once, no retries
sapi::Transaction::SetTimeLimit(0); // Infinite time limit
}
private:
absl::Status Main() override;
std::string in_file_;
std::string out_file_;
absl::Status Main() override;
};