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// Protocol Buffers - Google's data interchange format
// Copyright 2015 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import <Foundation/Foundation.h>
#import "Conformance.pbobjc.h"
#import "google/protobuf/TestMessagesProto2.pbobjc.h"
#import "google/protobuf/TestMessagesProto3.pbobjc.h"
static void Die(NSString *format, ...) __dead2;
static BOOL verbose = NO;
static int32_t testCount = 0;
static void Die(NSString *format, ...) {
va_list args;
va_start(args, format);
NSString *msg = [[NSString alloc] initWithFormat:format arguments:args];
NSLog(@"%@", msg);
va_end(args);
[msg release];
exit(66);
}
static NSData *CheckedReadDataOfLength(NSFileHandle *handle, NSUInteger numBytes) {
NSData *data = [handle readDataOfLength:numBytes];
NSUInteger dataLen = data.length;
if (dataLen == 0) {
return nil; // EOF.
}
if (dataLen != numBytes) {
Die(@"Failed to read the request length (%d), only got: %@",
numBytes, data);
}
return data;
}
static ConformanceResponse *DoTest(ConformanceRequest *request) {
ConformanceResponse *response = [ConformanceResponse message];
GPBMessage *testMessage = nil;
switch (request.payloadOneOfCase) {
case ConformanceRequest_Payload_OneOfCase_GPBUnsetOneOfCase:
Die(@"Request didn't have a payload: %@", request);
break;
case ConformanceRequest_Payload_OneOfCase_ProtobufPayload: {
Class msgClass = nil;
if ([request.messageType isEqual:@"protobuf_test_messages.proto3.TestAllTypesProto3"]) {
msgClass = [Proto3TestAllTypesProto3 class];
} else if ([request.messageType isEqual:@"protobuf_test_messages.proto2.TestAllTypesProto2"]) {
msgClass = [TestAllTypesProto2 class];
} else {
Die(@"Protobuf request had an unknown message_type: %@", request.messageType);
}
NSError *error = nil;
testMessage = [msgClass parseFromData:request.protobufPayload error:&error];
if (!testMessage) {
response.parseError =
[NSString stringWithFormat:@"Parse error: %@", error];
}
break;
}
case ConformanceRequest_Payload_OneOfCase_JsonPayload:
response.skipped = @"ObjC doesn't support parsing JSON";
break;
}
if (testMessage) {
switch (request.requestedOutputFormat) {
case WireFormat_GPBUnrecognizedEnumeratorValue:
case WireFormat_Unspecified:
Die(@"Unrecognized/unspecified output format: %@", request);
break;
case WireFormat_Protobuf:
response.protobufPayload = testMessage.data;
if (!response.protobufPayload) {
response.serializeError =
[NSString stringWithFormat:@"Failed to make data from: %@", testMessage];
}
break;
case WireFormat_Json:
response.skipped = @"ObjC doesn't support generating JSON";
break;
}
}
return response;
}
static uint32_t UInt32FromLittleEndianData(NSData *data) {
if (data.length != sizeof(uint32_t)) {
Die(@"Data not the right size for uint32_t: %@", data);
}
uint32_t value;
memcpy(&value, data.bytes, sizeof(uint32_t));
return CFSwapInt32LittleToHost(value);
}
static NSData *UInt32ToLittleEndianData(uint32_t num) {
uint32_t value = CFSwapInt32HostToLittle(num);
return [NSData dataWithBytes:&value length:sizeof(uint32_t)];
}
static BOOL DoTestIo(NSFileHandle *input, NSFileHandle *output) {
// See conformance_test_runner.cc for the wire format.
NSData *data = CheckedReadDataOfLength(input, sizeof(uint32_t));
if (!data) {
// EOF.
return NO;
}
uint32_t numBytes = UInt32FromLittleEndianData(data);
data = CheckedReadDataOfLength(input, numBytes);
if (!data) {
Die(@"Failed to read request");
}
NSError *error = nil;
ConformanceRequest *request = [ConformanceRequest parseFromData:data
error:&error];
if (!request) {
Die(@"Failed to parse the message data: %@", error);
}
ConformanceResponse *response = DoTest(request);
if (!response) {
Die(@"Failed to make a reply from %@", request);
}
data = response.data;
[output writeData:UInt32ToLittleEndianData((int32_t)data.length)];
[output writeData:data];
if (verbose) {
NSLog(@"Request: %@", request);
NSLog(@"Response: %@", response);
}
++testCount;
return YES;
}
int main(int argc, const char *argv[]) {
@autoreleasepool {
NSFileHandle *input = [[NSFileHandle fileHandleWithStandardInput] retain];
NSFileHandle *output = [[NSFileHandle fileHandleWithStandardOutput] retain];
BOOL notDone = YES;
while (notDone) {
@autoreleasepool {
notDone = DoTestIo(input, output);
}
}
NSLog(@"Received EOF from test runner after %d tests, exiting.", testCount);
}
return 0;
}
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