static void
mock_handshake (int fd) {
    const uint8_t zmtp_greeting[33] = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0x7f, 3, 0, 'N', 'U', 'L', 'L', 0 };
    char buffer[128];
    memset(buffer, 0, sizeof(buffer));
    memcpy(buffer, zmtp_greeting, sizeof(zmtp_greeting));

    int rc = send(fd, buffer, 64, 0);
    assert(rc == 64);

    recv_with_retry(fd, buffer, 64);

    const uint8_t zmtp_ready[43] = {
        4, 41, 5, 'R', 'E', 'A', 'D', 'Y', 11, 'S', 'o', 'c', 'k', 'e', 't', '-', 'T', 'y', 'p', 'e',
        0, 0, 0, 6, 'D', 'E', 'A', 'L', 'E', 'R', 8, 'I', 'd', 'e', 'n', 't', 'i', 't', 'y',
        0, 0, 0, 0
    };

    memset(buffer, 0, sizeof(buffer));
    memcpy(buffer, zmtp_ready, 43);
    rc = send(fd, buffer, 43, 0);
    assert(rc == 43);

    recv_with_retry(fd, buffer, 43);
}
Esempio n. 2
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static void mock_handshake (raw_socket fd_, int mock_ping_)
{
    const uint8_t zmtp_greeting[33] = {0xff, 0, 0, 0,   0,   0,   0,   0, 0,
                                       0x7f, 3, 0, 'N', 'U', 'L', 'L', 0};
    char buffer[128];
    memset (buffer, 0, sizeof (buffer));
    memcpy (buffer, zmtp_greeting, sizeof (zmtp_greeting));

    int rc = TEST_ASSERT_SUCCESS_RAW_ERRNO (send (fd_, buffer, 64, 0));
    TEST_ASSERT_EQUAL_INT (64, rc);

    recv_with_retry (fd_, buffer, 64);

    const uint8_t zmtp_ready[43] = {
      4,   41,  5,   'R', 'E', 'A', 'D', 'Y', 11,  'S', 'o', 'c', 'k', 'e', 't',
      '-', 'T', 'y', 'p', 'e', 0,   0,   0,   6,   'D', 'E', 'A', 'L', 'E', 'R',
      8,   'I', 'd', 'e', 'n', 't', 'i', 't', 'y', 0,   0,   0,   0};

    memset (buffer, 0, sizeof (buffer));
    memcpy (buffer, zmtp_ready, 43);
    rc = TEST_ASSERT_SUCCESS_RAW_ERRNO (send (fd_, buffer, 43, 0));
    TEST_ASSERT_EQUAL_INT (43, rc);

    //  greeting
    recv_with_retry (fd_, buffer, 43);

    if (mock_ping_) {
        //  test PING context - should be replicated in the PONG
        //  to avoid timeouts, do a bulk send
        const uint8_t zmtp_ping[12] = {4,   10, 4, 'P', 'I', 'N',
                                       'G', 0,  0, 'L', 'O', 'L'};
        uint8_t zmtp_pong[10] = {4, 8, 4, 'P', 'O', 'N', 'G', 'L', 'O', 'L'};
        memset (buffer, 0, sizeof (buffer));
        memcpy (buffer, zmtp_ping, 12);
        rc = TEST_ASSERT_SUCCESS_RAW_ERRNO (send (fd_, buffer, 12, 0));
        TEST_ASSERT_EQUAL_INT (12, rc);

        //  test a larger body that won't fit in a small message and should get
        //  truncated
        memset (buffer, 'z', sizeof (buffer));
        memcpy (buffer, zmtp_ping, 12);
        buffer[1] = 65;
        rc = TEST_ASSERT_SUCCESS_RAW_ERRNO (send (fd_, buffer, 67, 0));
        TEST_ASSERT_EQUAL_INT (67, rc);

        //  small pong
        recv_with_retry (fd_, buffer, 10);
        TEST_ASSERT_EQUAL_INT (0, memcmp (zmtp_pong, buffer, 10));
        //  large pong
        recv_with_retry (fd_, buffer, 23);
        uint8_t zmtp_pooong[65] = {4, 21, 4, 'P', 'O', 'N', 'G', 'L', 'O', 'L'};
        memset (zmtp_pooong + 10, 'z', 55);
        TEST_ASSERT_EQUAL_INT (0, memcmp (zmtp_pooong, buffer, 23));
    }
}