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streaming.cpp
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335 lines (260 loc) · 7.73 KB
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#include <msgpack.hpp>
#define BOOST_TEST_MODULE streaming
#include <boost/test/unit_test.hpp>
#include <sstream>
BOOST_AUTO_TEST_CASE(basic)
{
msgpack::sbuffer buffer;
msgpack::packer<msgpack::sbuffer> pk(&buffer);
pk.pack(1);
pk.pack(2);
pk.pack(3);
const char* input = buffer.data();
const char* const eof = input + buffer.size();
msgpack::unpacker pac;
msgpack::object_handle oh;
int count = 0;
while(count < 3) {
pac.reserve_buffer(32*1024);
// read buffer into pac.buffer() upto
// pac.buffer_capacity() bytes.
size_t len = 1;
memcpy(pac.buffer(), input, len);
input += len;
pac.buffer_consumed(len);
while(pac.next(oh)) {
msgpack::object obj = oh.get();
switch(count++) {
case 0:
BOOST_CHECK_EQUAL(1, obj.as<int>());
break;
case 1:
BOOST_CHECK_EQUAL(2, obj.as<int>());
break;
case 2:
BOOST_CHECK_EQUAL(3, obj.as<int>());
return;
}
}
BOOST_CHECK(input < eof);
}
}
// obsolete
#if MSGPACK_DEFAULT_API_VERSION == 1
BOOST_AUTO_TEST_CASE(basic_pointer)
{
msgpack::sbuffer buffer;
msgpack::packer<msgpack::sbuffer> pk(&buffer);
pk.pack(1);
pk.pack(2);
pk.pack(3);
const char* input = buffer.data();
const char* const eof = input + buffer.size();
msgpack::unpacker pac;
msgpack::object_handle oh;
int count = 0;
while(count < 3) {
pac.reserve_buffer(32*1024);
// read buffer into pac.buffer() upto
// pac.buffer_capacity() bytes.
size_t len = 1;
memcpy(pac.buffer(), input, len);
input += len;
pac.buffer_consumed(len);
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif // defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2))
while(pac.next(&oh)) {
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2))
#pragma GCC diagnostic pop
#endif // defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2))
msgpack::object obj = oh.get();
switch(count++) {
case 0:
BOOST_CHECK_EQUAL(1, obj.as<int>());
break;
case 1:
BOOST_CHECK_EQUAL(2, obj.as<int>());
break;
case 2:
BOOST_CHECK_EQUAL(3, obj.as<int>());
return;
}
}
BOOST_CHECK(input < eof);
}
}
#endif // MSGPACK_DEFAULT_API_VERSION == 1
#if !defined(MSGPACK_USE_CPP03)
BOOST_AUTO_TEST_CASE(move)
{
msgpack::sbuffer buffer;
msgpack::packer<msgpack::sbuffer> pk(&buffer);
pk.pack(1);
pk.pack(2);
pk.pack(3);
const char* input = buffer.data();
const char* const eof = input + buffer.size();
msgpack::unpacker pac;
msgpack::object_handle oh;
int count = 0;
while(count < 3) {
msgpack::unpacker pac_in(std::move(pac));
pac_in.reserve_buffer(32*1024);
// read buffer into pac_in.buffer() upto
// pac_in.buffer_capac_inity() bytes.
size_t len = 1;
memcpy(pac_in.buffer(), input, len);
input += len;
pac_in.buffer_consumed(len);
while(pac_in.next(oh)) {
msgpack::object obj = oh.get();
switch(count++) {
case 0:
BOOST_CHECK_EQUAL(1, obj.as<int>());
break;
case 1:
BOOST_CHECK_EQUAL(2, obj.as<int>());
break;
case 2:
BOOST_CHECK_EQUAL(3, obj.as<int>());
return;
}
}
BOOST_CHECK(input < eof);
pac = std::move(pac_in);
}
}
#endif // !defined(MSGPACK_USE_CPP03)
class event_handler {
public:
event_handler(std::istream& input) : input(input) { }
~event_handler() { }
void on_read()
{
while(true) {
pac.reserve_buffer(32*1024);
size_t len = static_cast<size_t>(input.readsome(pac.buffer(), static_cast<std::streamsize>(pac.buffer_capacity())));
if(len == 0) {
return;
}
pac.buffer_consumed(len);
msgpack::object_handle oh;
while(pac.next(oh)) {
on_message(oh.get(), msgpack::move(oh.zone()));
}
if(pac.message_size() > 10*1024*1024) {
throw std::runtime_error("message is too large");
}
}
}
void on_message(msgpack::object obj, msgpack::unique_ptr<msgpack::zone>)
{
BOOST_CHECK_EQUAL(expect, obj.as<int>());
}
int expect;
private:
std::istream& input;
msgpack::unpacker pac;
};
BOOST_AUTO_TEST_CASE(event)
{
std::stringstream stream;
msgpack::packer<std::ostream> pk(&stream);
event_handler handler(stream);
pk.pack(1);
handler.expect = 1;
handler.on_read();
pk.pack(2);
handler.expect = 2;
handler.on_read();
pk.pack(3);
handler.expect = 3;
handler.on_read();
}
// obsolete
#if MSGPACK_DEFAULT_API_VERSION == 1
// backward compatibility
BOOST_AUTO_TEST_CASE(basic_compat)
{
std::ostringstream stream;
msgpack::packer<std::ostream> pk(&stream);
pk.pack(1);
pk.pack(2);
pk.pack(3);
std::istringstream input(stream.str());
msgpack::unpacker pac;
int count = 0;
while(count < 3) {
pac.reserve_buffer(32*1024);
size_t len = static_cast<size_t>(input.readsome(pac.buffer(), static_cast<std::streamsize>(pac.buffer_capacity())));
pac.buffer_consumed(len);
while(pac.execute()) {
msgpack::unique_ptr<msgpack::zone> z(pac.release_zone());
msgpack::object obj = pac.data();
pac.reset();
switch(count++) {
case 0:
BOOST_CHECK_EQUAL(1, obj.as<int>());
break;
case 1:
BOOST_CHECK_EQUAL(2, obj.as<int>());
break;
case 2:
BOOST_CHECK_EQUAL(3, obj.as<int>());
return;
}
}
}
}
// backward compatibility
class event_handler_compat {
public:
event_handler_compat(std::istream& input) : input(input) { }
~event_handler_compat() { }
void on_read()
{
while(true) {
pac.reserve_buffer(32*1024);
size_t len = static_cast<size_t>(input.readsome(pac.buffer(), static_cast<std::streamsize>(pac.buffer_capacity())));
if(len == 0) {
return;
}
pac.buffer_consumed(len);
while(pac.execute()) {
msgpack::unique_ptr<msgpack::zone> z(pac.release_zone());
msgpack::object obj = pac.data();
pac.reset();
on_message(obj, msgpack::move(z));
}
if(pac.message_size() > 10*1024*1024) {
throw std::runtime_error("message is too large");
}
}
}
void on_message(msgpack::object obj, msgpack::unique_ptr<msgpack::zone>)
{
BOOST_CHECK_EQUAL(expect, obj.as<int>());
}
int expect;
private:
std::istream& input;
msgpack::unpacker pac;
};
BOOST_AUTO_TEST_CASE(event_compat)
{
std::stringstream stream;
msgpack::packer<std::ostream> pk(&stream);
event_handler_compat handler(stream);
pk.pack(1);
handler.expect = 1;
handler.on_read();
pk.pack(2);
handler.expect = 2;
handler.on_read();
pk.pack(3);
handler.expect = 3;
handler.on_read();
}
#endif // !defined(MSGPACK_USE_CPP03)