C++ SrsAmf0Object类代码示例

void srs_amf0_object_clear(srs_amf0_t amf0)
{
    SrsAmf0Any* any = (SrsAmf0Any*)amf0;
    srs_assert(any->is_object());

    SrsAmf0Object* obj = (SrsAmf0Object*)amf0;
    obj->clear();
}

srs_amf0_t srs_amf0_object_property(srs_amf0_t amf0, const char* name)
{
    SrsAmf0Any* any = (SrsAmf0Any*)amf0;
    srs_assert(any->is_object());

    SrsAmf0Object* obj = (SrsAmf0Object*)amf0;
    return (srs_amf0_t)obj->get_property(name);
}

const char* srs_amf0_object_property_name_at(srs_amf0_t amf0, int index)
{
    SrsAmf0Any* any = (SrsAmf0Any*)amf0;
    srs_assert(any->is_object());

    SrsAmf0Object* obj = (SrsAmf0Object*)amf0;
    return obj->key_raw_at(index);
}

srs_amf0_t srs_amf0_object_property_value_at(srs_amf0_t amf0, int index)
{
    SrsAmf0Any* any = (SrsAmf0Any*)amf0;
    srs_assert(any->is_object());

    SrsAmf0Object* obj = (SrsAmf0Object*)amf0;
    return (srs_amf0_t)obj->value_at(index);
}

int srs_amf0_object_property_count(srs_amf0_t amf0)
{
    SrsAmf0Any* any = (SrsAmf0Any*)amf0;
    srs_assert(any->is_object());

    SrsAmf0Object* obj = (SrsAmf0Object*)amf0;
    return obj->count();
}

void srs_amf0_object_property_set(srs_amf0_t amf0, const char* name, srs_amf0_t value)
{
    SrsAmf0Any* any = (SrsAmf0Any*)amf0;
    srs_assert(any->is_object());

    SrsAmf0Object* obj = (SrsAmf0Object*)amf0;
    any = (SrsAmf0Any*)value;
    obj->set(name, any);
}

void srs_amf0_do_print(SrsAmf0Any* any, stringstream& ss, int level)
{
    if (any->is_boolean()) {
        ss << "Boolean " << (any->to_boolean()? "true":"false") << endl;
    } else if (any->is_number()) {
        ss << "Number " << std::fixed << any->to_number() << endl;
    } else if (any->is_string()) {
        ss << "String " << any->to_str() << endl;
    } else if (any->is_date()) {
        ss << "Date " << std::hex << any->to_date() 
            << "/" << std::hex << any->to_date_time_zone() << endl;
    } else if (any->is_null()) {
        ss << "Null" << endl;
    } else if (any->is_ecma_array()) {
        SrsAmf0EcmaArray* obj = any->to_ecma_array();
        ss << "EcmaArray " << "(" << obj->count() << " items)" << endl;
        for (int i = 0; i < obj->count(); i++) {
            srs_fill_level_spaces(ss, level + 1);
            ss << "Elem '" << obj->key_at(i) << "' ";
            if (obj->value_at(i)->is_complex_object()) {
                srs_amf0_do_print(obj->value_at(i), ss, level + 1);
            } else {
                srs_amf0_do_print(obj->value_at(i), ss, 0);
            }
        }
    } else if (any->is_strict_array()) {
        SrsAmf0StrictArray* obj = any->to_strict_array();
        ss << "StrictArray " << "(" << obj->count() << " items)" << endl;
        for (int i = 0; i < obj->count(); i++) {
            srs_fill_level_spaces(ss, level + 1);
            ss << "Elem ";
            if (obj->at(i)->is_complex_object()) {
                srs_amf0_do_print(obj->at(i), ss, level + 1);
            } else {
                srs_amf0_do_print(obj->at(i), ss, 0);
            }
        }
    } else if (any->is_object()) {
        SrsAmf0Object* obj = any->to_object();
        ss << "Object " << "(" << obj->count() << " items)" << endl;
        for (int i = 0; i < obj->count(); i++) {
            srs_fill_level_spaces(ss, level + 1);
            ss << "Property '" << obj->key_at(i) << "' ";
            if (obj->value_at(i)->is_complex_object()) {
                srs_amf0_do_print(obj->value_at(i), ss, level + 1);
            } else {
                srs_amf0_do_print(obj->value_at(i), ss, 0);
            }
        }
    } else {
        ss << "Unknown" << endl;
    }
}

VOID TEST(AMF0Test, ApiObjectProps) 
{
    SrsAmf0Object* o = NULL;
    
    // get/set property
    if (true) {
        o = SrsAmf0Any::object();
        SrsAutoFree(SrsAmf0Object, o);
        
        EXPECT_TRUE(NULL == o->get_property("name"));
        
        o->set("name", SrsAmf0Any::str("winlin"));
        EXPECT_TRUE(NULL != o->get_property("name"));
        
        EXPECT_TRUE(NULL == o->get_property("age"));
        
        o->set("age", SrsAmf0Any::number(100));
        EXPECT_TRUE(NULL != o->get_property("age"));
    }
    
    // index property
    if (true) {
        o = SrsAmf0Any::object();
        SrsAutoFree(SrsAmf0Object, o);
        
        o->set("name", SrsAmf0Any::str("winlin"));
        EXPECT_STREQ("name", o->key_at(0).c_str());
        ASSERT_TRUE(o->value_at(0)->is_string());
        EXPECT_STREQ("winlin", o->value_at(0)->to_str().c_str());
        
        o->set("age", SrsAmf0Any::number(100));
        EXPECT_STREQ("name", o->key_at(0).c_str());
        ASSERT_TRUE(o->value_at(0)->is_string());
        EXPECT_STREQ("winlin", o->value_at(0)->to_str().c_str());
        
        EXPECT_STREQ("age", o->key_at(1).c_str());
        ASSERT_TRUE(o->value_at(1)->is_number());
        EXPECT_DOUBLE_EQ(100, o->value_at(1)->to_number());
    }
    
    // ensure property
    if (true) {
        o = SrsAmf0Any::object();
        SrsAutoFree(SrsAmf0Object, o);
        
        EXPECT_TRUE(NULL == o->ensure_property_string("name"));
        EXPECT_TRUE(NULL == o->ensure_property_number("age"));
        
        o->set("name", SrsAmf0Any::str("winlin"));
        EXPECT_TRUE(NULL != o->ensure_property_string("name"));
        EXPECT_TRUE(NULL == o->ensure_property_number("name"));
        EXPECT_TRUE(NULL == o->ensure_property_number("age"));
        
        o->set("age", SrsAmf0Any::number(100));
        EXPECT_TRUE(NULL != o->ensure_property_string("name"));
        EXPECT_TRUE(NULL == o->ensure_property_number("name"));
        EXPECT_TRUE(NULL != o->ensure_property_number("age"));
        EXPECT_TRUE(NULL == o->ensure_property_string("age"));
    }

    // count
    if (true) {
        o = SrsAmf0Any::object();
        SrsAutoFree(SrsAmf0Object, o);
        
        EXPECT_EQ(0, o->count());
        
        o->set("name", SrsAmf0Any::str("winlin"));
        EXPECT_EQ(1, o->count());
        
        o->set("name", SrsAmf0Any::str("winlin"));
        EXPECT_EQ(1, o->count());
        
        o->set("age", SrsAmf0Any::number(100));
        EXPECT_EQ(2, o->count());
    }
}

// TODO: FIXME: refine the connect_app.
int SrsRtspConn::connect_app(string ep_server, string ep_port)
{
    int ret = ERROR_SUCCESS;
    
    // args of request takes the srs info.
    if (req->args == NULL) {
        req->args = SrsAmf0Any::object();
    }
    
    // notify server the edge identity,
    // @see https://github.com/ossrs/srs/issues/147
    SrsAmf0Object* data = req->args;
    data->set("srs_sig", SrsAmf0Any::str(RTMP_SIG_SRS_KEY));
    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
    data->set("srs_license", SrsAmf0Any::str(RTMP_SIG_SRS_LICENSE));
    data->set("srs_role", SrsAmf0Any::str(RTMP_SIG_SRS_ROLE));
    data->set("srs_url", SrsAmf0Any::str(RTMP_SIG_SRS_URL));
    data->set("srs_version", SrsAmf0Any::str(RTMP_SIG_SRS_VERSION));
    data->set("srs_site", SrsAmf0Any::str(RTMP_SIG_SRS_WEB));
    data->set("srs_email", SrsAmf0Any::str(RTMP_SIG_SRS_EMAIL));
    data->set("srs_copyright", SrsAmf0Any::str(RTMP_SIG_SRS_COPYRIGHT));
    data->set("srs_primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
    data->set("srs_authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
    // for edge to directly get the id of client.
    data->set("srs_pid", SrsAmf0Any::number(getpid()));
    data->set("srs_id", SrsAmf0Any::number(_srs_context->get_id()));
    
    // local ip of edge
    std::vector<std::string> ips = srs_get_local_ipv4_ips();
    assert(_srs_config->get_stats_network() < (int)ips.size());
    std::string local_ip = ips[_srs_config->get_stats_network()];
    data->set("srs_server_ip", SrsAmf0Any::str(local_ip.c_str()));
    
    // generate the tcUrl
    std::string param = "";
    std::string tc_url = srs_generate_tc_url(ep_server, req->vhost, req->app, ep_port, param);
    
    // upnode server identity will show in the connect_app of client.
    // @see https://github.com/ossrs/srs/issues/160
    // the debug_srs_upnode is config in vhost and default to true.
    bool debug_srs_upnode = _srs_config->get_debug_srs_upnode(req->vhost);
    if ((ret = client->connect_app(req->app, tc_url, req, debug_srs_upnode)) != ERROR_SUCCESS) {
        srs_error("rtsp: connect with server failed, tcUrl=%s, dsu=%d. ret=%d", 
            tc_url.c_str(), debug_srs_upnode, ret);
        return ret;
    }
    
    return ret;
}

int SrsFlvSegment::write_metadata(SrsSharedPtrMessage* metadata)
{
    int ret = ERROR_SUCCESS;

    if (duration_offset || filesize_offset) {
        return ret;
    }

    SrsBuffer stream;
    if ((ret = stream.initialize(metadata->payload, metadata->size)) != ERROR_SUCCESS) {
        return ret;
    }

    SrsAmf0Any* name = SrsAmf0Any::str();
    SrsAutoFree(SrsAmf0Any, name);
    if ((ret = name->read(&stream)) != ERROR_SUCCESS) {
        return ret;
    }

    SrsAmf0Object* obj = SrsAmf0Any::object();
    SrsAutoFree(SrsAmf0Object, obj);
    if ((ret = obj->read(&stream)) != ERROR_SUCCESS) {
        return ret;
    }

    // remove duration and filesize.
    obj->set("filesize", NULL);
    obj->set("duration", NULL);

    // add properties.
    obj->set("service", SrsAmf0Any::str(RTMP_SIG_SRS_SERVER));
    obj->set("filesize", SrsAmf0Any::number(0));
    obj->set("duration", SrsAmf0Any::number(0));
    
    int size = name->total_size() + obj->total_size();
    char* payload = new char[size];
    SrsAutoFreeA(char, payload);

    // 11B flv header, 3B object EOF, 8B number value, 1B number flag.
    duration_offset = fs->tellg() + size + 11 - SrsAmf0Size::object_eof() - SrsAmf0Size::number();
    // 2B string flag, 8B number value, 8B string 'duration', 1B number flag
    filesize_offset = duration_offset - SrsAmf0Size::utf8("duration") - SrsAmf0Size::number();

    // convert metadata to bytes.
    if ((ret = stream.initialize(payload, size)) != ERROR_SUCCESS) {
        return ret;
    }
    if ((ret = name->write(&stream)) != ERROR_SUCCESS) {
        return ret;
    }
    if ((ret = obj->write(&stream)) != ERROR_SUCCESS) {
        return ret;
    }
    
    // to flv file.
    if ((ret = enc->write_metadata(18, payload, size)) != ERROR_SUCCESS) {
        return ret;
    }
    
    return ret;
}