Ejemplo n.º 1
0
struct AdminTestFramework* AdminTestFramework_setUp(int argc, char** argv, char* testName)
{
    if (argc > 2 && !strcmp(testName, argv[1]) && !strcmp("angel", argv[2])) {
        exit(AngelInit_main(argc-1, &argv[1]));
    }

    struct Allocator* alloc = MallocAllocator_new(1<<20);

    struct Writer* logwriter = FileWriter_new(stdout, alloc);
    Assert_true(logwriter);
    struct Log* logger = WriterLog_new(logwriter, alloc);

    struct EventBase* eventBase = EventBase_new(alloc);
    struct Random* rand = Random_new(alloc, logger, NULL);


    char asClientPipeName[32] = {0};
    Random_base32(rand, (uint8_t*)asClientPipeName, 31);
    struct Pipe* asClientPipe = Pipe_named(asClientPipeName, eventBase, NULL, alloc);
    asClientPipe->logger = logger;

    char asCorePipeName[32] = {0};
    Random_base32(rand, (uint8_t*)asCorePipeName, 31);
    struct Pipe* asCorePipe = Pipe_named(asCorePipeName, eventBase, NULL, alloc);
    asCorePipe->logger = logger;
    struct Interface* asCoreIface = FramingInterface_new(65535, &asCorePipe->iface, alloc);

    spawnAngel(testName, asClientPipeName, eventBase, alloc);

    Log_info(logger, "Initializing Angel");
    initAngel(asClientPipe, asCoreIface, (char*)asCorePipe->name, eventBase, logger, alloc, rand);

    struct Sockaddr_storage addr;
    Assert_true(!Sockaddr_parse("127.0.0.1", &addr));

    Log_info(logger, "Binding UDP admin socket");
    struct AddrInterface* udpAdmin =
        UDPAddrInterface_new(eventBase, &addr.addr, alloc, NULL, logger);

    String* password = String_new("abcd", alloc);
    struct Admin* admin = Admin_new(udpAdmin, alloc, logger, eventBase, password);

    // Now setup the client.

    struct AdminClient* client =
        AdminClient_new(udpAdmin->addr, password, eventBase, logger, alloc);

    Assert_true(client);

    return Allocator_clone(alloc, (&(struct AdminTestFramework) {
        .admin = admin,
        .client = client,
        .alloc = alloc,
        .eventBase = eventBase,
        .logger = logger,
        .addr = Sockaddr_clone(udpAdmin->addr, alloc),
        .angelInterface = asCoreIface
    }));
Ejemplo n.º 2
0
/** @return a string representing the address and port to connect to. */
static String* initAngel(int fromAngel,
                         int toAngel,
                         int corePipes[2][2],
                         struct PipeInterface** piOut,
                         struct EventBase* eventBase,
                         struct Log* logger,
                         struct Allocator* alloc,
                         struct Random* rand)
{
    #define TO_CORE (corePipes[0][1])
    #define FROM_CORE (corePipes[1][0])
    #define TO_ANGEL_AS_CORE (corePipes[1][1])
    #define FROM_ANGEL_AS_CORE (corePipes[0][0])

    Dict core = Dict_CONST(
        String_CONST("fromCore"), Int_OBJ(FROM_CORE), Dict_CONST(
        String_CONST("toCore"), Int_OBJ(TO_CORE), NULL
    ));
    Dict admin = Dict_CONST(
        String_CONST("bind"), String_OBJ(String_CONST("127.0.0.1")), Dict_CONST(
        String_CONST("core"), Dict_OBJ(&core), Dict_CONST(
        String_CONST("pass"), String_OBJ(String_CONST("abcd")), NULL
    )));
    Dict message = Dict_CONST(
        String_CONST("admin"), Dict_OBJ(&admin), NULL
    );

    struct Allocator* tempAlloc;
    BufferAllocator_STACK(tempAlloc, 1024);

    #define BUFFER_SZ 1023
    uint8_t buff[BUFFER_SZ + 1] = {0};
    struct Writer* w = ArrayWriter_new(buff, BUFFER_SZ, tempAlloc);
    StandardBencSerializer_get()->serializeDictionary(w, &message);

    Log_info(logger, "Writing intial configuration to angel on [%d] config: [%s]", toAngel, buff);
    write(toAngel, buff, w->bytesWritten(w));

    // This is angel->core data, we can throw this away.
    //Waiter_getData(buff, BUFFER_SZ, fromAngel, eventBase, NULL);
    //Log_info(logger, "Init message from angel to core: [%s]", buff);
    Bits_memset(buff, 0, BUFFER_SZ);

    struct PipeInterface* pi =
        PipeInterface_new(FROM_ANGEL_AS_CORE, TO_ANGEL_AS_CORE, eventBase, logger, alloc, rand);
    *piOut = pi;

    Log_info(logger, "PipeInterface [%p] is now ready.", (void*)pi);

    // Make sure the angel sends data to the core.
    InterfaceWaiter_waitForData(&pi->generic, eventBase, alloc, NULL);

    // Send response on behalf of core.
    char coreToAngelResponse[128] = "           PADDING              "
        "\xff\xff\xff\xff"
        "d"
          "5:error" "4:none"
        "e";

    char* start = strchr(coreToAngelResponse, '\xff');
    struct Message m = {
        .bytes = (uint8_t*) start,
        .length = strlen(start),
        .padding = start - coreToAngelResponse
    };
    pi->generic.sendMessage(&m, &pi->generic);

    // This is angel->client data, it will tell us which port was bound.
    Waiter_getData(buff, BUFFER_SZ, fromAngel, eventBase, NULL);

    printf("Response from angel to client: [%s]\n", buff);

    struct Reader* reader = ArrayReader_new(buff, BUFFER_SZ, tempAlloc);
    Dict configStore;
    Dict* config = &configStore;
    Assert_true(!StandardBencSerializer_get()->parseDictionary(reader, tempAlloc, config));

    Dict* responseAdmin = Dict_getDict(config, String_CONST("admin"));
    String* bind = Dict_getString(responseAdmin, String_CONST("bind"));
    Assert_true(bind);

    return String_clone(bind, alloc);
}

/**
 * This spawns itself as the Angel process which spawns itself again as the core process.
 * The "core process" pipes all of its inputs back to the originating process
 */

struct AdminTestFramework* AdminTestFramework_setUp(int argc, char** argv)
{
    if (argc > 1 && !strcmp("angel", argv[1])) {
        exit(AngelInit_main(argc, argv));
    }

    struct Allocator* alloc = CanaryAllocator_new(MallocAllocator_new(1<<20), NULL);

    struct Writer* logwriter = FileWriter_new(stdout, alloc);
    Assert_always(logwriter);
    struct Log* logger = WriterLog_new(logwriter, alloc);

    struct EventBase* eventBase = EventBase_new(alloc);
    struct Random* rand = Random_new(alloc, NULL);

    int fromAngel;
    int toAngel;
    int corePipes[2][2];
    if (Pipe_createUniPipe(corePipes[0]) || Pipe_createUniPipe(corePipes[1])) {
        Except_raise(NULL, -1, "Failed to create pipes [%s]", Errno_getString());
    }
    spawnAngel(&fromAngel, &toAngel);

    struct PipeInterface* pi;
    String* addrStr =
        initAngel(fromAngel, toAngel, corePipes, &pi, eventBase, logger, alloc, rand);

    Log_info(logger, "Angel initialized.");

    String* password = String_new("abcd", alloc);
    struct Admin* admin =
        Admin_new(&pi->generic, alloc, logger, eventBase, password);


    // Now setup the client.

    struct sockaddr_storage addr;
    int addrLen = sizeof(struct sockaddr_storage);
    Bits_memset(&addr, 0, sizeof(struct sockaddr_storage));
    Assert_true(!evutil_parse_sockaddr_port(addrStr->bytes, (struct sockaddr*) &addr, &addrLen));

    struct AdminClient* client =
        AdminClient_new((uint8_t*) &addr, addrLen, password, eventBase, logger, alloc);

    Assert_always(client);

    return alloc->clone(sizeof(struct AdminTestFramework), alloc, &(struct AdminTestFramework) {
        .admin = admin,
        .client = client,
        .alloc = alloc,
        .eventBase = eventBase,
        .logger = logger,
        .addr = alloc->clone(addrLen, alloc, &addr),
        .addrLen = addrLen,
        .angelInterface = &pi->generic
    });
}