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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "UrlHandler.h"
#include "microhttpd.h"
#include "../Request.h"
#include "../Response.h"
using namespace Response;
static const size_t kBufferSize = 1024;
static int process_upload_data(void* cls, enum MHD_ValueKind kind,
const char* key, const char* filename,
const char* content_type, const char* transfer_encoding,
const char* data, uint64_t off, size_t size) {
struct UploadContext* uc = reinterpret_cast<UploadContext*>(cls);
if (0 != size) {
uc->fStream.write(data, size);
}
return MHD_YES;
}
bool PostHandler::canHandle(const char* method, const char* url) {
return 0 == strcmp(method, MHD_HTTP_METHOD_POST) &&
0 == strcmp(url, "/new");
}
int PostHandler::handle(Request* request, MHD_Connection* connection,
const char* url, const char* method,
const char* upload_data, size_t* upload_data_size) {
UploadContext* uc = request->fUploadContext;
// New connection
if (!uc) {
// TODO make this a method on request
uc = new UploadContext;
uc->connection = connection;
uc->fPostProcessor = MHD_create_post_processor(connection, kBufferSize,
&process_upload_data, uc);
SkASSERT(uc->fPostProcessor);
request->fUploadContext = uc;
return MHD_YES;
}
// in process upload
if (0 != *upload_data_size) {
SkASSERT(uc->fPostProcessor);
MHD_post_process(uc->fPostProcessor, upload_data, *upload_data_size);
*upload_data_size = 0;
return MHD_YES;
}
// end of upload
MHD_destroy_post_processor(uc->fPostProcessor);
uc->fPostProcessor = nullptr;
if (!request->initPictureFromStream(request->fUploadContext->fStream.detachAsStream())) {
fprintf(stderr, "Could not create picture from stream.\n");
return MHD_NO;
}
// clear upload context
delete request->fUploadContext;
request->fUploadContext = nullptr;
return SendTemplate(connection, true, "/");
}
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