netwerk/test/TestMCTransport.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/test/TestMCTransport.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,226 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include <stdio.h>
    1.10 +
    1.11 +#include "nsIServiceManager.h"
    1.12 +#include "nsIEventQueueService.h"
    1.13 +#include "nsIOutputStream.h"
    1.14 +#include "nsIStreamListener.h"
    1.15 +#include "nsITransport.h"
    1.16 +#include "nsIInputStream.h"
    1.17 +#include "nsIOutputStream.h"
    1.18 +#include "nsCOMPtr.h"
    1.19 +#include "plstr.h"
    1.20 +#include "prprf.h"
    1.21 +#include <algorithm>
    1.22 +
    1.23 +#ifndef USE_CREATE_INSTANCE
    1.24 +#include "nsICacheService.h"
    1.25 +#include "nsICacheSession.h"
    1.26 +#include "nsICacheEntryDescriptor.h"
    1.27 +#include "nsNetCID.h"
    1.28 +static NS_DEFINE_CID(kCacheServiceCID, NS_CACHESERVICE_CID);
    1.29 +static nsICacheSession *session = nullptr;
    1.30 +static nsICacheEntryDescriptor *desc = nullptr;
    1.31 +#endif
    1.32 +
    1.33 +/**
    1.34 + * This test program exercises the memory cache's nsITransport implementation.
    1.35 + *
    1.36 + * This test program loads a file into the memory cache (using OpenOutputStream),
    1.37 + * and then reads the file back out (using AsyncRead).  The data read from the
    1.38 + * memory cache is written to a new file (with .out added as a suffix to the file
    1.39 + * name).
    1.40 + */
    1.41 +
    1.42 +static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
    1.43 +static nsIEventQueue *gEventQ = nullptr;
    1.44 +
    1.45 +class TestListener : public nsIStreamListener
    1.46 +{
    1.47 +public:
    1.48 +    NS_DECL_ISUPPORTS
    1.49 +    NS_DECL_NSISTREAMLISTENER
    1.50 +    NS_DECL_NSIREQUESTOBSERVER
    1.51 +
    1.52 +    TestListener(char *);
    1.53 +    virtual ~TestListener();
    1.54 +
    1.55 +private:
    1.56 +    char *mFilename;
    1.57 +    FILE *mFile;
    1.58 +};
    1.59 +
    1.60 +NS_IMPL_ISUPPORTS(TestListener,
    1.61 +                  nsIStreamListener,
    1.62 +                  nsIRequestObserver)
    1.63 +
    1.64 +TestListener::TestListener(char *filename)
    1.65 +    : mFilename(filename)
    1.66 +    , mFile(nullptr)
    1.67 +{
    1.68 +}
    1.69 +
    1.70 +TestListener::~TestListener()
    1.71 +{
    1.72 +}
    1.73 +
    1.74 +NS_IMETHODIMP
    1.75 +TestListener::OnStartRequest(nsIRequest *req, nsISupports *ctx)
    1.76 +{
    1.77 +    printf("OnStartRequest\n");
    1.78 +
    1.79 +    mFile = fopen(mFilename, "w");
    1.80 +    if (!mFile)
    1.81 +        return NS_ERROR_FAILURE;
    1.82 +
    1.83 +    return NS_OK;
    1.84 +}
    1.85 +
    1.86 +NS_IMETHODIMP
    1.87 +TestListener::OnStopRequest(nsIRequest *req, nsISupports *ctx, nsresult status)
    1.88 +{
    1.89 +    printf("OnStopRequest: status=%x\n", status);
    1.90 +
    1.91 +    if (mFile)
    1.92 +        fclose(mFile);
    1.93 +
    1.94 +    return NS_OK;
    1.95 +}
    1.96 +
    1.97 +NS_IMETHODIMP
    1.98 +TestListener::OnDataAvailable(nsIRequest *req, nsISupports *ctx,
    1.99 +                              nsIInputStream *is,
   1.100 +                              uint64_t offset, uint32_t count)
   1.101 +{
   1.102 +    printf("OnDataAvailable: offset=%llu count=%u\n", offset, count);
   1.103 +
   1.104 +    if (!mFile) return NS_ERROR_FAILURE;
   1.105 +
   1.106 +    char buf[128];
   1.107 +    nsresult rv;
   1.108 +    uint32_t nread = 0;
   1.109 +
   1.110 +    while (count) {
   1.111 +        uint32_t amount = std::min<uint32_t>(count, sizeof(buf));
   1.112 +
   1.113 +        rv = is->Read(buf, amount, &nread);
   1.114 +        if (NS_FAILED(rv)) return rv;
   1.115 +
   1.116 +        fwrite(buf, nread, 1, mFile);
   1.117 +        count -= nread;
   1.118 +    }
   1.119 +    return NS_OK;
   1.120 +}
   1.121 +
   1.122 +nsresult TestMCTransport(const char *filename)
   1.123 +{
   1.124 +    nsresult rv = NS_OK;
   1.125 +    nsCOMPtr<nsITransport> transport;
   1.126 +
   1.127 +#ifdef USE_CREATE_INSTANCE
   1.128 +    transport = do_CreateInstance(
   1.129 +            "@mozilla.org/network/memory-cache-transport;1", &rv);
   1.130 +    if (NS_FAILED(rv))
   1.131 +        return rv;
   1.132 +#else
   1.133 +    nsCOMPtr<nsICacheService> serv(do_GetService(kCacheServiceCID, &rv));
   1.134 +    if (NS_FAILED(rv)) return rv;
   1.135 +
   1.136 +    rv = serv->CreateSession("TestMCTransport",
   1.137 +                             nsICache::STORE_IN_MEMORY, true,
   1.138 +                             &session);
   1.139 +    if (NS_FAILED(rv)) return rv;
   1.140 +
   1.141 +    rv = session->OpenCacheEntry(nsDependentCString(filename),
   1.142 +                                 nsICache::ACCESS_READ_WRITE,
   1.143 +                                 nsICache::BLOCKING,
   1.144 +                                 &desc);
   1.145 +    if (NS_FAILED(rv)) return rv;
   1.146 +
   1.147 +    rv = desc->MarkValid();
   1.148 +    if (NS_FAILED(rv)) return rv;
   1.149 +
   1.150 +    rv = desc->GetTransport(getter_AddRefs(transport));
   1.151 +    if (NS_FAILED(rv)) return rv;
   1.152 +#endif
   1.153 +
   1.154 +    nsCOMPtr<nsIOutputStream> os;
   1.155 +    rv = transport->OpenOutputStream(0, (uint32_t) -1, 0, getter_AddRefs(os));
   1.156 +    if (NS_FAILED(rv)) return rv;
   1.157 +
   1.158 +    char *out = PR_smprintf("%s.out", filename);
   1.159 +    nsCOMPtr<nsIStreamListener> listener = new TestListener(out);
   1.160 +    if (!listener)
   1.161 +        return NS_ERROR_OUT_OF_MEMORY;
   1.162 +
   1.163 +    nsCOMPtr<nsIRequest> req;
   1.164 +    rv = transport->AsyncRead(listener, nullptr, 0, (uint32_t) -1, 0, getter_AddRefs(req));
   1.165 +    if (NS_FAILED(rv)) return rv;
   1.166 +
   1.167 +    FILE *file = fopen(filename, "r");
   1.168 +    if (!file)
   1.169 +        return NS_ERROR_FILE_NOT_FOUND;
   1.170 +
   1.171 +    char buf[256];
   1.172 +    uint32_t count, total=0;
   1.173 +
   1.174 +    while ((count = fread(buf, 1, sizeof(buf), file)) > 0) {
   1.175 +        printf("writing %u bytes\n", count);
   1.176 +        total += count;
   1.177 +        rv = os->Write(buf, count, &count);
   1.178 +        if (NS_FAILED(rv)) return rv;
   1.179 +
   1.180 +        // process an event
   1.181 +        PLEvent *event = nullptr;
   1.182 +        gEventQ->GetEvent(&event);
   1.183 +        if (event) gEventQ->HandleEvent(event);
   1.184 +    }
   1.185 +
   1.186 +    printf("wrote %u bytes\n", total);
   1.187 +
   1.188 +    return rv;
   1.189 +}
   1.190 +
   1.191 +int main(int argc, char **argv)
   1.192 +{
   1.193 +    nsresult rv;
   1.194 +
   1.195 +    if (argc < 2) {
   1.196 +        printf("usage: %s filename\n", argv[0]);
   1.197 +        return -1;
   1.198 +    }
   1.199 +
   1.200 +    nsCOMPtr<nsIEventQueueService> eqs = 
   1.201 +             do_GetService(kEventQueueServiceCID, &rv);
   1.202 +    if (NS_FAILED(rv)) {
   1.203 +        printf("failed to create event queue service: rv=%x\n", rv);
   1.204 +        return -1;
   1.205 +    }
   1.206 +
   1.207 +    rv = eqs->CreateMonitoredThreadEventQueue();
   1.208 +    if (NS_FAILED(rv)) {
   1.209 +        printf("failed to create monitored event queue: rv=%x\n", rv);
   1.210 +        return -1;
   1.211 +    }
   1.212 +
   1.213 +    rv = eqs->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);
   1.214 +    if (NS_FAILED(rv)) {
   1.215 +        printf("failed to get thread event queue: %x\n", rv);
   1.216 +        return -1;
   1.217 +    }
   1.218 +
   1.219 +    rv = TestMCTransport(argv[1]);
   1.220 +    printf("TestMCTransport returned %x\n", rv);
   1.221 +
   1.222 +    gEventQ->ProcessPendingEvents();
   1.223 +
   1.224 +#ifndef USE_CREATE_INSTANCE
   1.225 +    NS_IF_RELEASE(desc);
   1.226 +    NS_IF_RELEASE(session);
   1.227 +#endif
   1.228 +    return 0;
   1.229 +}

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