add_compile_flags:
- -fparse-all-comments
diagrams:
t20029_sequence:
type: sequence
generate_links:
link: 'https://github.com/bkryza/clang-uml/blob/{{ git.commit }}/{{ element.source.path }}#L{{ element.source.line }}'
tooltip: '{% if existsIn(element, "comment") and existsIn(element.comment, "brief") %}{{ abbrv(trim(replace(element.comment.brief.0, "\n+", " ")), 256) }}{% else %}{{ element.name }}{% endif %}'
glob:
- t20029.cc
include:
namespaces:
- clanguml::t20029
exclude:
access:
- private
using_namespace: clanguml::t20029
from:
- function: clanguml::t20029::tmain()
generate_message_comments: true
participants_order:
- clanguml::t20029::tmain()
- clanguml::t20029::Encoder<clanguml::t20029::Retrier<clanguml::t20029::ConnectionPool>>
- clanguml::t20029::Retrier<clanguml::t20029::ConnectionPool>
- clanguml::t20029::ConnectionPool
- clanguml::t20029::encode_b64(std::string &&)File tests/t20029/t20029.cc
#include <atomic>
#include <functional>
#include <iostream>
#include <memory>
#include <string>
namespace clanguml {
namespace t20029 {
std::string encode_b64(std::string &&content) { return std::move(content); }
template <typename T> class Encoder : public T {
public:
bool send(std::string &&msg)
{
return T::send(std::move(
// Encode the message using Base64 encoding and pass it to the next
// layer
encode(std::move(msg))));
}
protected:
std::string encode(std::string &&msg) { return encode_b64(std::move(msg)); }
};
template <typename T> class Retrier : public T {
public:
bool send(std::string &&msg)
{
std::string buffer{std::move(msg)};
int retryCount = 5;
// Repeat until send() succeeds or retry count is exceeded
while (retryCount--) {
if (T::send(buffer))
return true;
}
return false;
}
};
class ConnectionPool {
public:
void connect()
{
if (!is_connected_.load())
connect_impl();
}
bool send(const std::string &msg) { return true; }
private:
void connect_impl() { is_connected_ = true; }
std::atomic<bool> is_connected_;
};
int tmain()
{
auto pool = std::make_shared<Encoder<Retrier<ConnectionPool>>>();
// Establish connection to the remote server synchronously
pool->connect();
// Repeat for each line in the input stream
for (std::string line; std::getline(std::cin, line);) {
if (!pool->send(std::move(line)))
break;
}
return 0;
}
}
}
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}