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comparison: netwerk/streamconv/test/TestStreamConv.cpp
netwerk/streamconv/test/TestStreamConv.cpp
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsIServiceManager.h" | |
| 7 #include "nsIStreamConverterService.h" | |
| 8 #include "nsIStreamConverter.h" | |
| 9 #include "nsICategoryManager.h" | |
| 10 #include "mozilla/Module.h" | |
| 11 #include "nsXULAppAPI.h" | |
| 12 #include "nsIStringStream.h" | |
| 13 #include "nsCOMPtr.h" | |
| 14 #include "nsThreadUtils.h" | |
| 15 #include "mozilla/Attributes.h" | |
| 16 #include "nsMemory.h" | |
| 17 #include "nsServiceManagerUtils.h" | |
| 18 #include "nsComponentManagerUtils.h" | |
| 19 #include "nsIRequest.h" | |
| 20 #include "nsNetCID.h" | |
| 21 | |
| 22 #define ASYNC_TEST // undefine this if you want to test sycnronous conversion. | |
| 23 | |
| 24 ///////////////////////////////// | |
| 25 // Event pump setup | |
| 26 ///////////////////////////////// | |
| 27 #ifdef XP_WIN | |
| 28 #include <windows.h> | |
| 29 #endif | |
| 30 | |
| 31 static int gKeepRunning = 0; | |
| 32 ///////////////////////////////// | |
| 33 // Event pump END | |
| 34 ///////////////////////////////// | |
| 35 | |
| 36 | |
| 37 ///////////////////////////////// | |
| 38 // Test converters include | |
| 39 ///////////////////////////////// | |
| 40 #include "Converters.h" | |
| 41 | |
| 42 // CID setup | |
| 43 static NS_DEFINE_CID(kStreamConverterServiceCID, NS_STREAMCONVERTERSERVICE_CID); | |
| 44 | |
| 45 //////////////////////////////////////////////////////////////////////// | |
| 46 // EndListener - This listener is the final one in the chain. It | |
| 47 // receives the fully converted data, although it doesn't do anything with | |
| 48 // the data. | |
| 49 //////////////////////////////////////////////////////////////////////// | |
| 50 class EndListener MOZ_FINAL : public nsIStreamListener { | |
| 51 public: | |
| 52 // nsISupports declaration | |
| 53 NS_DECL_ISUPPORTS | |
| 54 | |
| 55 EndListener() {} | |
| 56 | |
| 57 // nsIStreamListener method | |
| 58 NS_IMETHOD OnDataAvailable(nsIRequest* request, nsISupports *ctxt, nsIInputStream *inStr, | |
| 59 uint64_t sourceOffset, uint32_t count) | |
| 60 { | |
| 61 nsresult rv; | |
| 62 uint32_t read; | |
| 63 uint64_t len64; | |
| 64 rv = inStr->Available(&len64); | |
| 65 if (NS_FAILED(rv)) return rv; | |
| 66 uint32_t len = (uint32_t)std::min(len64, (uint64_t)(UINT32_MAX - 1)); | |
| 67 | |
| 68 char *buffer = (char*)nsMemory::Alloc(len + 1); | |
| 69 if (!buffer) return NS_ERROR_OUT_OF_MEMORY; | |
| 70 | |
| 71 rv = inStr->Read(buffer, len, &read); | |
| 72 buffer[len] = '\0'; | |
| 73 if (NS_SUCCEEDED(rv)) { | |
| 74 printf("CONTEXT %p: Received %u bytes and the following data: \n %s\n\n", | |
| 75 static_cast<void*>(ctxt), read, buffer); | |
| 76 } | |
| 77 nsMemory::Free(buffer); | |
| 78 | |
| 79 return NS_OK; | |
| 80 } | |
| 81 | |
| 82 // nsIRequestObserver methods | |
| 83 NS_IMETHOD OnStartRequest(nsIRequest* request, nsISupports *ctxt) { return NS_OK; } | |
| 84 | |
| 85 NS_IMETHOD OnStopRequest(nsIRequest* request, nsISupports *ctxt, | |
| 86 nsresult aStatus) { return NS_OK; } | |
| 87 }; | |
| 88 | |
| 89 NS_IMPL_ISUPPORTS(EndListener, | |
| 90 nsIStreamListener, | |
| 91 nsIRequestObserver) | |
| 92 | |
| 93 //////////////////////////////////////////////////////////////////////// | |
| 94 // EndListener END | |
| 95 //////////////////////////////////////////////////////////////////////// | |
| 96 | |
| 97 nsresult SendData(const char * aData, nsIStreamListener* aListener, nsIRequest* request) { | |
| 98 nsresult rv; | |
| 99 | |
| 100 nsCOMPtr<nsIStringInputStream> dataStream | |
| 101 (do_CreateInstance("@mozilla.org/io/string-input-stream;1", &rv)); | |
| 102 NS_ENSURE_SUCCESS(rv, rv); | |
| 103 | |
| 104 rv = dataStream->SetData(aData, strlen(aData)); | |
| 105 NS_ENSURE_SUCCESS(rv, rv); | |
| 106 | |
| 107 uint64_t avail = 0; | |
| 108 dataStream->Available(&avail); | |
| 109 | |
| 110 uint64_t offset = 0; | |
| 111 while (avail > 0) { | |
| 112 uint32_t count = saturated(avail); | |
| 113 rv = aListener->OnDataAvailable(request, nullptr, dataStream, | |
| 114 offset, count); | |
| 115 if (NS_FAILED(rv)) return rv; | |
| 116 | |
| 117 offset += count; | |
| 118 avail -= count; | |
| 119 } | |
| 120 return NS_OK; | |
| 121 } | |
| 122 #define SEND_DATA(x) SendData(x, converterListener, request) | |
| 123 | |
| 124 static const mozilla::Module::CIDEntry kTestCIDs[] = { | |
| 125 { &kTestConverterCID, false, nullptr, CreateTestConverter }, | |
| 126 { nullptr } | |
| 127 }; | |
| 128 | |
| 129 static const mozilla::Module::ContractIDEntry kTestContracts[] = { | |
| 130 { NS_ISTREAMCONVERTER_KEY "?from=a/foo&to=b/foo", &kTestConverterCID }, | |
| 131 { NS_ISTREAMCONVERTER_KEY "?from=b/foo&to=c/foo", &kTestConverterCID }, | |
| 132 { NS_ISTREAMCONVERTER_KEY "?from=b/foo&to=d/foo", &kTestConverterCID }, | |
| 133 { NS_ISTREAMCONVERTER_KEY "?from=c/foo&to=d/foo", &kTestConverterCID }, | |
| 134 { NS_ISTREAMCONVERTER_KEY "?from=d/foo&to=e/foo", &kTestConverterCID }, | |
| 135 { NS_ISTREAMCONVERTER_KEY "?from=d/foo&to=f/foo", &kTestConverterCID }, | |
| 136 { NS_ISTREAMCONVERTER_KEY "?from=t/foo&to=k/foo", &kTestConverterCID }, | |
| 137 { nullptr } | |
| 138 }; | |
| 139 | |
| 140 static const mozilla::Module::CategoryEntry kTestCategories[] = { | |
| 141 { NS_ISTREAMCONVERTER_KEY, "?from=a/foo&to=b/foo", "x" }, | |
| 142 { NS_ISTREAMCONVERTER_KEY, "?from=b/foo&to=c/foo", "x" }, | |
| 143 { NS_ISTREAMCONVERTER_KEY, "?from=b/foo&to=d/foo", "x" }, | |
| 144 { NS_ISTREAMCONVERTER_KEY, "?from=c/foo&to=d/foo", "x" }, | |
| 145 { NS_ISTREAMCONVERTER_KEY, "?from=d/foo&to=e/foo", "x" }, | |
| 146 { NS_ISTREAMCONVERTER_KEY, "?from=d/foo&to=f/foo", "x" }, | |
| 147 { NS_ISTREAMCONVERTER_KEY, "?from=t/foo&to=k/foo", "x" }, | |
| 148 { nullptr } | |
| 149 }; | |
| 150 | |
| 151 static const mozilla::Module kTestModule = { | |
| 152 mozilla::Module::kVersion, | |
| 153 kTestCIDs, | |
| 154 kTestContracts, | |
| 155 kTestCategories | |
| 156 }; | |
| 157 | |
| 158 int | |
| 159 main(int argc, char* argv[]) | |
| 160 { | |
| 161 nsresult rv; | |
| 162 { | |
| 163 XRE_AddStaticComponent(&kTestModule); | |
| 164 | |
| 165 nsCOMPtr<nsIServiceManager> servMan; | |
| 166 NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr); | |
| 167 | |
| 168 nsCOMPtr<nsIThread> thread = do_GetCurrentThread(); | |
| 169 | |
| 170 nsCOMPtr<nsICategoryManager> catman = | |
| 171 do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv); | |
| 172 if (NS_FAILED(rv)) return -1; | |
| 173 nsCString previous; | |
| 174 | |
| 175 nsCOMPtr<nsIStreamConverterService> StreamConvService = | |
| 176 do_GetService(kStreamConverterServiceCID, &rv); | |
| 177 if (NS_FAILED(rv)) return -1; | |
| 178 | |
| 179 // Define the *from* content type and *to* content-type for conversion. | |
| 180 static const char fromStr[] = "a/foo"; | |
| 181 static const char toStr[] = "c/foo"; | |
| 182 | |
| 183 #ifdef ASYNC_TEST | |
| 184 // ASYNCHRONOUS conversion | |
| 185 | |
| 186 // Build up a channel that represents the content we're | |
| 187 // starting the transaction with. | |
| 188 // | |
| 189 // sample multipart mixed content-type string: | |
| 190 // "multipart/x-mixed-replacE;boundary=thisrandomstring" | |
| 191 #if 0 | |
| 192 nsCOMPtr<nsIChannel> channel; | |
| 193 nsCOMPtr<nsIURI> dummyURI; | |
| 194 rv = NS_NewURI(getter_AddRefs(dummyURI), "http://meaningless"); | |
| 195 if (NS_FAILED(rv)) return -1; | |
| 196 | |
| 197 rv = NS_NewInputStreamChannel(getter_AddRefs(channel), | |
| 198 dummyURI, | |
| 199 nullptr, // inStr | |
| 200 "text/plain", // content-type | |
| 201 -1); // XXX fix contentLength | |
| 202 if (NS_FAILED(rv)) return -1; | |
| 203 | |
| 204 nsCOMPtr<nsIRequest> request(do_QueryInterface(channel)); | |
| 205 #endif | |
| 206 | |
| 207 nsCOMPtr<nsIRequest> request; | |
| 208 | |
| 209 // setup a listener to receive the converted data. This guy is the end | |
| 210 // listener in the chain, he wants the fully converted (toType) data. | |
| 211 // An example of this listener in mozilla would be the DocLoader. | |
| 212 nsIStreamListener *dataReceiver = new EndListener(); | |
| 213 NS_ADDREF(dataReceiver); | |
| 214 | |
| 215 // setup a listener to push the data into. This listener sits inbetween the | |
| 216 // unconverted data of fromType, and the final listener in the chain (in this case | |
| 217 // the dataReceiver. | |
| 218 nsIStreamListener *converterListener = nullptr; | |
| 219 rv = StreamConvService->AsyncConvertData(fromStr, toStr, | |
| 220 dataReceiver, nullptr, &converterListener); | |
| 221 if (NS_FAILED(rv)) return -1; | |
| 222 NS_RELEASE(dataReceiver); | |
| 223 | |
| 224 // at this point we have a stream listener to push data to, and the one | |
| 225 // that will receive the converted data. Let's mimic On*() calls and get the conversion | |
| 226 // going. Typically these On*() calls would be made inside their respective wrappers On*() | |
| 227 // methods. | |
| 228 rv = converterListener->OnStartRequest(request, nullptr); | |
| 229 if (NS_FAILED(rv)) return -1; | |
| 230 | |
| 231 rv = SEND_DATA("aaa"); | |
| 232 if (NS_FAILED(rv)) return -1; | |
| 233 | |
| 234 rv = SEND_DATA("aaa"); | |
| 235 if (NS_FAILED(rv)) return -1; | |
| 236 | |
| 237 // Finish the request. | |
| 238 rv = converterListener->OnStopRequest(request, nullptr, rv); | |
| 239 if (NS_FAILED(rv)) return -1; | |
| 240 | |
| 241 NS_RELEASE(converterListener); | |
| 242 #else | |
| 243 // SYNCHRONOUS conversion | |
| 244 nsCOMPtr<nsIInputStream> convertedData; | |
| 245 rv = StreamConvService->Convert(inputData, fromStr, toStr, | |
| 246 nullptr, getter_AddRefs(convertedData)); | |
| 247 if (NS_FAILED(rv)) return -1; | |
| 248 #endif | |
| 249 | |
| 250 // Enter the message pump to allow the URL load to proceed. | |
| 251 while ( gKeepRunning ) { | |
| 252 if (!NS_ProcessNextEvent(thread)) | |
| 253 break; | |
| 254 } | |
| 255 } // this scopes the nsCOMPtrs | |
| 256 // no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM | |
| 257 NS_ShutdownXPCOM(nullptr); | |
| 258 return 0; | |
| 259 } |
