Commit d502382ea8bbb2fa230c8726a116ce05e5cb0084
1 parent
fdba503b
chore: rework that Connection can use Client::Impl
This avoids copying the pointers from Client::Impl into Connection, which is just administrative work. Now we can access Client::Impl, and have all variables available to us.
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6 changed files
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134 additions
and
159 deletions
src/Client.cpp
| ... | ... | @@ -8,27 +8,40 @@ |
| 8 | 8 | #include "TrueMQTT.h" |
| 9 | 9 | |
| 10 | 10 | #include "ClientImpl.h" |
| 11 | +#include "Connection.h" | |
| 11 | 12 | #include "Log.h" |
| 12 | 13 | |
| 13 | 14 | #include <sstream> |
| 14 | 15 | |
| 15 | -using TrueMQTT::Client; | |
| 16 | - | |
| 17 | -Client::Client(const std::string &host, int port, const std::string &client_id, int connection_timeout, int connection_backoff_max, int keep_alive_interval) | |
| 16 | +TrueMQTT::Client::Client(const std::string &host, int port, const std::string &client_id, int connection_timeout, int connection_backoff_max, int keep_alive_interval) | |
| 18 | 17 | { |
| 19 | 18 | this->m_impl = std::make_unique<Client::Impl>(host, port, client_id, connection_timeout, connection_backoff_max, keep_alive_interval); |
| 20 | 19 | |
| 21 | 20 | LOG_TRACE(this->m_impl, "Constructor of client called"); |
| 22 | 21 | } |
| 23 | 22 | |
| 24 | -Client::~Client() | |
| 23 | +TrueMQTT::Client::~Client() | |
| 25 | 24 | { |
| 26 | 25 | LOG_TRACE(this->m_impl, "Destructor of client called"); |
| 27 | 26 | |
| 28 | 27 | this->disconnect(); |
| 29 | 28 | } |
| 30 | 29 | |
| 31 | -void Client::setLogger(Client::LogLevel log_level, const std::function<void(Client::LogLevel, std::string)> &logger) const | |
| 30 | +TrueMQTT::Client::Impl::Impl(const std::string &host, int port, const std::string &client_id, int connection_timeout, int connection_backoff_max, int keep_alive_interval) | |
| 31 | + : host(host), | |
| 32 | + port(port), | |
| 33 | + client_id(client_id), | |
| 34 | + connection_timeout(connection_timeout), | |
| 35 | + connection_backoff_max(connection_backoff_max), | |
| 36 | + keep_alive_interval(keep_alive_interval) | |
| 37 | +{ | |
| 38 | +} | |
| 39 | + | |
| 40 | +TrueMQTT::Client::Impl::~Impl() | |
| 41 | +{ | |
| 42 | +} | |
| 43 | + | |
| 44 | +void TrueMQTT::Client::setLogger(Client::LogLevel log_level, const std::function<void(Client::LogLevel, std::string)> &logger) const | |
| 32 | 45 | { |
| 33 | 46 | LOG_TRACE(this->m_impl, "Setting logger to log level " + std::to_string(log_level)); |
| 34 | 47 | |
| ... | ... | @@ -38,7 +51,7 @@ void Client::setLogger(Client::LogLevel log_level, const std::function<void(Clie |
| 38 | 51 | LOG_DEBUG(this->m_impl, "Log level now on " + std::to_string(this->m_impl->log_level)); |
| 39 | 52 | } |
| 40 | 53 | |
| 41 | -void Client::setLastWill(const std::string &topic, const std::string &payload, bool retain) const | |
| 54 | +void TrueMQTT::Client::setLastWill(const std::string &topic, const std::string &payload, bool retain) const | |
| 42 | 55 | { |
| 43 | 56 | if (this->m_impl->state != Client::Impl::State::DISCONNECTED) |
| 44 | 57 | { |
| ... | ... | @@ -53,14 +66,14 @@ void Client::setLastWill(const std::string &topic, const std::string &payload, b |
| 53 | 66 | this->m_impl->last_will_retain = retain; |
| 54 | 67 | } |
| 55 | 68 | |
| 56 | -void Client::setErrorCallback(const std::function<void(Error, std::string)> &callback) const | |
| 69 | +void TrueMQTT::Client::setErrorCallback(const std::function<void(Error, std::string)> &callback) const | |
| 57 | 70 | { |
| 58 | 71 | LOG_TRACE(this->m_impl, "Setting error callback"); |
| 59 | 72 | |
| 60 | 73 | this->m_impl->error_callback = callback; |
| 61 | 74 | } |
| 62 | 75 | |
| 63 | -void Client::setPublishQueue(Client::PublishQueueType queue_type, size_t size) const | |
| 76 | +void TrueMQTT::Client::setPublishQueue(Client::PublishQueueType queue_type, size_t size) const | |
| 64 | 77 | { |
| 65 | 78 | if (this->m_impl->state != Client::Impl::State::DISCONNECTED) |
| 66 | 79 | { |
| ... | ... | @@ -74,7 +87,7 @@ void Client::setPublishQueue(Client::PublishQueueType queue_type, size_t size) c |
| 74 | 87 | this->m_impl->publish_queue_size = size; |
| 75 | 88 | } |
| 76 | 89 | |
| 77 | -void Client::connect() const | |
| 90 | +void TrueMQTT::Client::connect() const | |
| 78 | 91 | { |
| 79 | 92 | std::scoped_lock lock(this->m_impl->state_mutex); |
| 80 | 93 | |
| ... | ... | @@ -89,7 +102,7 @@ void Client::connect() const |
| 89 | 102 | this->m_impl->connect(); |
| 90 | 103 | } |
| 91 | 104 | |
| 92 | -void Client::disconnect() const | |
| 105 | +void TrueMQTT::Client::disconnect() const | |
| 93 | 106 | { |
| 94 | 107 | std::scoped_lock lock(this->m_impl->state_mutex); |
| 95 | 108 | |
| ... | ... | @@ -105,7 +118,7 @@ void Client::disconnect() const |
| 105 | 118 | this->m_impl->disconnect(); |
| 106 | 119 | } |
| 107 | 120 | |
| 108 | -void Client::publish(const std::string &topic, const std::string &payload, bool retain) const | |
| 121 | +void TrueMQTT::Client::publish(const std::string &topic, const std::string &payload, bool retain) const | |
| 109 | 122 | { |
| 110 | 123 | std::scoped_lock lock(this->m_impl->state_mutex); |
| 111 | 124 | |
| ... | ... | @@ -125,7 +138,7 @@ void Client::publish(const std::string &topic, const std::string &payload, bool |
| 125 | 138 | } |
| 126 | 139 | } |
| 127 | 140 | |
| 128 | -void Client::subscribe(const std::string &topic, const std::function<void(std::string, std::string)> &callback) const | |
| 141 | +void TrueMQTT::Client::subscribe(const std::string &topic, const std::function<void(std::string, std::string)> &callback) const | |
| 129 | 142 | { |
| 130 | 143 | std::scoped_lock lock(this->m_impl->state_mutex); |
| 131 | 144 | |
| ... | ... | @@ -158,7 +171,7 @@ void Client::subscribe(const std::string &topic, const std::function<void(std::s |
| 158 | 171 | } |
| 159 | 172 | } |
| 160 | 173 | |
| 161 | -void Client::unsubscribe(const std::string &topic) const | |
| 174 | +void TrueMQTT::Client::unsubscribe(const std::string &topic) const | |
| 162 | 175 | { |
| 163 | 176 | std::scoped_lock lock(this->m_impl->state_mutex); |
| 164 | 177 | |
| ... | ... | @@ -216,7 +229,7 @@ void Client::unsubscribe(const std::string &topic) const |
| 216 | 229 | } |
| 217 | 230 | } |
| 218 | 231 | |
| 219 | -void Client::Impl::connectionStateChange(bool connected) | |
| 232 | +void TrueMQTT::Client::Impl::connectionStateChange(bool connected) | |
| 220 | 233 | { |
| 221 | 234 | std::scoped_lock lock(this->state_mutex); |
| 222 | 235 | |
| ... | ... | @@ -253,7 +266,7 @@ void Client::Impl::connectionStateChange(bool connected) |
| 253 | 266 | } |
| 254 | 267 | } |
| 255 | 268 | |
| 256 | -void Client::Impl::toPublishQueue(const std::string &topic, const std::string &payload, bool retain) | |
| 269 | +void TrueMQTT::Client::Impl::toPublishQueue(const std::string &topic, const std::string &payload, bool retain) | |
| 257 | 270 | { |
| 258 | 271 | if (this->state != Client::Impl::State::CONNECTING) |
| 259 | 272 | { |
| ... | ... | @@ -286,7 +299,7 @@ void Client::Impl::toPublishQueue(const std::string &topic, const std::string &p |
| 286 | 299 | this->publish_queue.emplace_back(topic, payload, retain); |
| 287 | 300 | } |
| 288 | 301 | |
| 289 | -void Client::Impl::findSubscriptionMatch(std::vector<std::function<void(std::string, std::string)>> &matching_callbacks, const std::map<std::string, Client::Impl::SubscriptionPart> &subscriptions, std::deque<std::string> &parts) | |
| 302 | +void TrueMQTT::Client::Impl::findSubscriptionMatch(std::vector<std::function<void(std::string, std::string)>> &matching_callbacks, const std::map<std::string, Client::Impl::SubscriptionPart> &subscriptions, std::deque<std::string> &parts) | |
| 290 | 303 | { |
| 291 | 304 | // If we reached the end of the topic, do nothing anymore. |
| 292 | 305 | if (parts.empty()) |
| ... | ... | @@ -331,7 +344,7 @@ void Client::Impl::findSubscriptionMatch(std::vector<std::function<void(std::str |
| 331 | 344 | } |
| 332 | 345 | } |
| 333 | 346 | |
| 334 | -void Client::Impl::messageReceived(std::string topic, std::string payload) | |
| 347 | +void TrueMQTT::Client::Impl::messageReceived(std::string topic, std::string payload) | |
| 335 | 348 | { |
| 336 | 349 | LOG_TRACE(this, "Message received on topic '" + topic + "': " + payload); |
| 337 | 350 | ... | ... |
src/ClientImpl.h
| ... | ... | @@ -9,8 +9,6 @@ |
| 9 | 9 | |
| 10 | 10 | #include "TrueMQTT.h" |
| 11 | 11 | |
| 12 | -#include "Connection.h" | |
| 13 | - | |
| 14 | 12 | #include <deque> |
| 15 | 13 | #include <map> |
| 16 | 14 | #include <mutex> |
| ... | ... | @@ -23,15 +21,8 @@ |
| 23 | 21 | class TrueMQTT::Client::Impl |
| 24 | 22 | { |
| 25 | 23 | public: |
| 26 | - Impl(const std::string &host, int port, const std::string &client_id, int connection_timeout, int connection_backoff_max, int keep_alive_interval) | |
| 27 | - : host(host), | |
| 28 | - port(port), | |
| 29 | - client_id(client_id), | |
| 30 | - connection_timeout(connection_timeout), | |
| 31 | - connection_backoff_max(connection_backoff_max), | |
| 32 | - keep_alive_interval(keep_alive_interval) | |
| 33 | - { | |
| 34 | - } | |
| 24 | + Impl(const std::string &host, int port, const std::string &client_id, int connection_timeout, int connection_backoff_max, int keep_alive_interval); | |
| 25 | + ~Impl(); | |
| 35 | 26 | |
| 36 | 27 | enum State |
| 37 | 28 | { |
| ... | ... | @@ -84,6 +75,7 @@ public: |
| 84 | 75 | std::set<std::string> subscription_topics; ///< Flat list of topics the client is subscribed to. |
| 85 | 76 | std::map<std::string, SubscriptionPart> subscriptions; ///< Tree of active subscriptions build up from the parts on the topic. |
| 86 | 77 | |
| 78 | + class Connection; | |
| 87 | 79 | std::unique_ptr<Connection> connection; ///< Connection to the broker. |
| 88 | 80 | uint16_t packet_id = 0; ///< The next packet ID to use. Will overflow on 65535 to 0. |
| 89 | 81 | }; | ... | ... |
src/Connection.cpp
| ... | ... | @@ -16,25 +16,13 @@ |
| 16 | 16 | #include <unistd.h> |
| 17 | 17 | #include <vector> |
| 18 | 18 | |
| 19 | -Connection::Connection(TrueMQTT::Client::LogLevel log_level, | |
| 20 | - const std::function<void(TrueMQTT::Client::LogLevel, std::string)> &logger, | |
| 21 | - const std::function<void(TrueMQTT::Client::Error, std::string)> &error_callback, | |
| 22 | - const std::function<void(std::string, std::string)> &publish_callback, | |
| 23 | - const std::function<void(bool)> &connection_change_callback, | |
| 24 | - const std::string &host, | |
| 25 | - int port) | |
| 26 | - : log_level(log_level), | |
| 27 | - logger(std::move(logger)), | |
| 28 | - m_error_callback(std::move(error_callback)), | |
| 29 | - m_publish_callback(std::move(publish_callback)), | |
| 30 | - m_connection_change_callback(std::move(connection_change_callback)), | |
| 31 | - m_host(host), | |
| 32 | - m_port(port), | |
| 19 | +TrueMQTT::Client::Impl::Connection::Connection(Client::Impl &impl) | |
| 20 | + : m_impl(impl), | |
| 33 | 21 | m_thread(&Connection::run, this) |
| 34 | 22 | { |
| 35 | 23 | } |
| 36 | 24 | |
| 37 | -Connection::~Connection() | |
| 25 | +TrueMQTT::Client::Impl::Connection::~Connection() | |
| 38 | 26 | { |
| 39 | 27 | m_state = State::STOP; |
| 40 | 28 | |
| ... | ... | @@ -53,7 +41,7 @@ Connection::~Connection() |
| 53 | 41 | } |
| 54 | 42 | } |
| 55 | 43 | |
| 56 | -std::string Connection::addrinfoToString(const addrinfo *address) const | |
| 44 | +std::string TrueMQTT::Client::Impl::Connection::addrinfoToString(const addrinfo *address) const | |
| 57 | 45 | { |
| 58 | 46 | char host[NI_MAXHOST]; |
| 59 | 47 | getnameinfo(address->ai_addr, address->ai_addrlen, host, NI_MAXHOST, nullptr, 0, NI_NUMERICHOST); |
| ... | ... | @@ -61,7 +49,7 @@ std::string Connection::addrinfoToString(const addrinfo *address) const |
| 61 | 49 | return std::string(host); |
| 62 | 50 | } |
| 63 | 51 | |
| 64 | -void Connection::run() | |
| 52 | +void TrueMQTT::Client::Impl::Connection::run() | |
| 65 | 53 | { |
| 66 | 54 | while (true) |
| 67 | 55 | { |
| ... | ... | @@ -79,7 +67,7 @@ void Connection::run() |
| 79 | 67 | break; |
| 80 | 68 | |
| 81 | 69 | case State::BACKOFF: |
| 82 | - LOG_WARNING(this, "Connection failed; will retry in NNN seconds"); | |
| 70 | + LOG_WARNING(&m_impl, "Connection failed; will retry in NNN seconds"); | |
| 83 | 71 | |
| 84 | 72 | // TODO: use the configuration |
| 85 | 73 | std::this_thread::sleep_for(std::chrono::seconds(5)); |
| ... | ... | @@ -102,7 +90,7 @@ void Connection::run() |
| 102 | 90 | m_socket = INVALID_SOCKET; |
| 103 | 91 | } |
| 104 | 92 | m_state = State::BACKOFF; |
| 105 | - m_connection_change_callback(false); | |
| 93 | + m_impl.connectionStateChange(false); | |
| 106 | 94 | } |
| 107 | 95 | break; |
| 108 | 96 | } |
| ... | ... | @@ -113,7 +101,7 @@ void Connection::run() |
| 113 | 101 | } |
| 114 | 102 | } |
| 115 | 103 | |
| 116 | -void Connection::resolve() | |
| 104 | +void TrueMQTT::Client::Impl::Connection::resolve() | |
| 117 | 105 | { |
| 118 | 106 | m_address_current = 0; |
| 119 | 107 | m_socket = INVALID_SOCKET; |
| ... | ... | @@ -135,10 +123,10 @@ void Connection::resolve() |
| 135 | 123 | // Request the OS to resolve the hostname into an IP address. |
| 136 | 124 | // We do this even if the hostname is already an IP address, as that |
| 137 | 125 | // makes for far easier code. |
| 138 | - int error = getaddrinfo(m_host.c_str(), std::to_string(m_port).c_str(), &hints, &m_host_resolved); | |
| 126 | + int error = getaddrinfo(m_impl.host.c_str(), std::to_string(m_impl.port).c_str(), &hints, &m_host_resolved); | |
| 139 | 127 | if (error != 0) |
| 140 | 128 | { |
| 141 | - m_error_callback(TrueMQTT::Client::Error::HOSTNAME_LOOKUP_FAILED, std::string(gai_strerror(error))); | |
| 129 | + m_impl.error_callback(TrueMQTT::Client::Error::HOSTNAME_LOOKUP_FAILED, std::string(gai_strerror(error))); | |
| 142 | 130 | return; |
| 143 | 131 | } |
| 144 | 132 | |
| ... | ... | @@ -181,12 +169,12 @@ void Connection::resolve() |
| 181 | 169 | |
| 182 | 170 | #if MIN_LOGGER_LEVEL >= LOGGER_LEVEL_DEBUG |
| 183 | 171 | // For debugging, print the addresses we resolved into. |
| 184 | - if (this->log_level >= TrueMQTT::Client::LogLevel::DEBUG) | |
| 172 | + if (m_impl.log_level >= TrueMQTT::Client::LogLevel::DEBUG) | |
| 185 | 173 | { |
| 186 | - LOG_DEBUG(this, "Resolved hostname '" + m_host + "' to:"); | |
| 174 | + LOG_DEBUG(&m_impl, "Resolved hostname '" + m_impl.host + "' to:"); | |
| 187 | 175 | for (const addrinfo *res : m_addresses) |
| 188 | 176 | { |
| 189 | - LOG_DEBUG(this, "- " + addrinfoToString(res)); | |
| 177 | + LOG_DEBUG(&m_impl, "- " + addrinfoToString(res)); | |
| 190 | 178 | } |
| 191 | 179 | } |
| 192 | 180 | #endif |
| ... | ... | @@ -194,7 +182,7 @@ void Connection::resolve() |
| 194 | 182 | // In some odd cases, the list can be empty. This is a fatal error. |
| 195 | 183 | if (m_addresses.empty()) |
| 196 | 184 | { |
| 197 | - m_error_callback(TrueMQTT::Client::Error::HOSTNAME_LOOKUP_FAILED, ""); | |
| 185 | + m_impl.error_callback(TrueMQTT::Client::Error::HOSTNAME_LOOKUP_FAILED, ""); | |
| 198 | 186 | return; |
| 199 | 187 | } |
| 200 | 188 | |
| ... | ... | @@ -205,7 +193,7 @@ void Connection::resolve() |
| 205 | 193 | } |
| 206 | 194 | } |
| 207 | 195 | |
| 208 | -bool Connection::connectToAny() | |
| 196 | +bool TrueMQTT::Client::Impl::Connection::connectToAny() | |
| 209 | 197 | { |
| 210 | 198 | // Check if we have pending attempts. If not, queue a new attempt. |
| 211 | 199 | if (m_sockets.empty()) |
| ... | ... | @@ -235,7 +223,7 @@ bool Connection::connectToAny() |
| 235 | 223 | // Check if there was an error on select(). This is hard to recover from. |
| 236 | 224 | if (result < 0) |
| 237 | 225 | { |
| 238 | - LOG_ERROR(this, "select() failed: " + std::string(strerror(errno))); | |
| 226 | + LOG_ERROR(&m_impl, "select() failed: " + std::string(strerror(errno))); | |
| 239 | 227 | return true; |
| 240 | 228 | } |
| 241 | 229 | |
| ... | ... | @@ -261,7 +249,7 @@ bool Connection::connectToAny() |
| 261 | 249 | return true; |
| 262 | 250 | } |
| 263 | 251 | |
| 264 | - LOG_ERROR(this, "Connection attempt to broker timed out"); | |
| 252 | + LOG_ERROR(&m_impl, "Connection attempt to broker timed out"); | |
| 265 | 253 | |
| 266 | 254 | // Cleanup all sockets. |
| 267 | 255 | for (const auto &socket : m_sockets) |
| ... | ... | @@ -287,7 +275,7 @@ bool Connection::connectToAny() |
| 287 | 275 | if (err != 0) |
| 288 | 276 | { |
| 289 | 277 | // It is in error-state: report about it, and remove it. |
| 290 | - LOG_ERROR(this, "Could not connect to " + addrinfoToString(m_socket_to_address[*socket_it]) + ": " + std::string(strerror(err))); | |
| 278 | + LOG_ERROR(&m_impl, "Could not connect to " + addrinfoToString(m_socket_to_address[*socket_it]) + ": " + std::string(strerror(err))); | |
| 291 | 279 | closesocket(*socket_it); |
| 292 | 280 | m_socket_to_address.erase(*socket_it); |
| 293 | 281 | socket_it = m_sockets.erase(socket_it); |
| ... | ... | @@ -309,7 +297,7 @@ bool Connection::connectToAny() |
| 309 | 297 | } |
| 310 | 298 | |
| 311 | 299 | // We have a connected socket. |
| 312 | - LOG_DEBUG(this, "Connected to " + addrinfoToString(m_socket_to_address[socket_connected])); | |
| 300 | + LOG_DEBUG(&m_impl, "Connected to " + addrinfoToString(m_socket_to_address[socket_connected])); | |
| 313 | 301 | |
| 314 | 302 | // Close all other pending connections. |
| 315 | 303 | for (const auto &socket : m_sockets) |
| ... | ... | @@ -326,7 +314,7 @@ bool Connection::connectToAny() |
| 326 | 314 | int nonblocking = 0; |
| 327 | 315 | if (ioctl(socket_connected, FIONBIO, &nonblocking) != 0) |
| 328 | 316 | { |
| 329 | - LOG_WARNING(this, "Could not set socket to non-blocking; expect performance impact"); | |
| 317 | + LOG_WARNING(&m_impl, "Could not set socket to non-blocking; expect performance impact"); | |
| 330 | 318 | } |
| 331 | 319 | |
| 332 | 320 | // Only change the state if no disconnect() has been requested in the mean time. |
| ... | ... | @@ -339,7 +327,7 @@ bool Connection::connectToAny() |
| 339 | 327 | return true; |
| 340 | 328 | } |
| 341 | 329 | |
| 342 | -bool Connection::tryNextAddress() | |
| 330 | +bool TrueMQTT::Client::Impl::Connection::tryNextAddress() | |
| 343 | 331 | { |
| 344 | 332 | if (m_address_current >= m_addresses.size()) |
| 345 | 333 | { |
| ... | ... | @@ -352,13 +340,13 @@ bool Connection::tryNextAddress() |
| 352 | 340 | return true; |
| 353 | 341 | } |
| 354 | 342 | |
| 355 | -void Connection::connect(addrinfo *address) | |
| 343 | +void TrueMQTT::Client::Impl::Connection::connect(addrinfo *address) | |
| 356 | 344 | { |
| 357 | 345 | // Create a new socket based on the resolved information. |
| 358 | 346 | SOCKET sock = socket(address->ai_family, address->ai_socktype, address->ai_protocol); |
| 359 | 347 | if (sock == INVALID_SOCKET) |
| 360 | 348 | { |
| 361 | - LOG_ERROR(this, "Could not create new socket"); | |
| 349 | + LOG_ERROR(&m_impl, "Could not create new socket"); | |
| 362 | 350 | return; |
| 363 | 351 | } |
| 364 | 352 | |
| ... | ... | @@ -367,18 +355,18 @@ void Connection::connect(addrinfo *address) |
| 367 | 355 | /* The (const char*) cast is needed for Windows */ |
| 368 | 356 | if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (const char *)&flags, sizeof(flags)) != 0) |
| 369 | 357 | { |
| 370 | - LOG_WARNING(this, "Could not set TCP_NODELAY on socket"); | |
| 358 | + LOG_WARNING(&m_impl, "Could not set TCP_NODELAY on socket"); | |
| 371 | 359 | } |
| 372 | 360 | // Set socket to non-blocking; this allows for multiple connects to be pending. This is |
| 373 | 361 | // needed to apply Happy Eyeballs. |
| 374 | 362 | int nonblocking = 1; |
| 375 | 363 | if (ioctl(sock, FIONBIO, &nonblocking) != 0) |
| 376 | 364 | { |
| 377 | - LOG_WARNING(this, "Could not set socket to non-blocking; expect performance impact"); | |
| 365 | + LOG_WARNING(&m_impl, "Could not set socket to non-blocking; expect performance impact"); | |
| 378 | 366 | } |
| 379 | 367 | |
| 380 | 368 | // Start the actual connection attempt. |
| 381 | - LOG_DEBUG(this, "Connecting to " + addrinfoToString(address)); | |
| 369 | + LOG_DEBUG(&m_impl, "Connecting to " + addrinfoToString(address)); | |
| 382 | 370 | int err = ::connect(sock, address->ai_addr, (int)address->ai_addrlen); |
| 383 | 371 | if (err != 0 && errno != EINPROGRESS) |
| 384 | 372 | { |
| ... | ... | @@ -386,7 +374,7 @@ void Connection::connect(addrinfo *address) |
| 386 | 374 | // else, something is wrong. Report the error and close the socket. |
| 387 | 375 | closesocket(sock); |
| 388 | 376 | |
| 389 | - LOG_ERROR(this, "Could not connect to " + addrinfoToString(address) + ": " + std::string(strerror(errno))); | |
| 377 | + LOG_ERROR(&m_impl, "Could not connect to " + addrinfoToString(address) + ": " + std::string(strerror(errno))); | |
| 390 | 378 | return; |
| 391 | 379 | } |
| 392 | 380 | |
| ... | ... | @@ -397,13 +385,7 @@ void Connection::connect(addrinfo *address) |
| 397 | 385 | |
| 398 | 386 | void TrueMQTT::Client::Impl::connect() |
| 399 | 387 | { |
| 400 | - this->connection = std::make_unique<Connection>( | |
| 401 | - this->log_level, this->logger, this->error_callback, | |
| 402 | - [this](std::string topic, std::string payload) | |
| 403 | - { this->messageReceived(std::move(topic), std::move(payload)); }, | |
| 404 | - [this](bool connected) | |
| 405 | - { this->connectionStateChange(connected); }, | |
| 406 | - this->host, this->port); | |
| 388 | + this->connection = std::make_unique<Connection>(*this); | |
| 407 | 389 | } |
| 408 | 390 | |
| 409 | 391 | void TrueMQTT::Client::Impl::disconnect() | ... | ... |
src/Connection.h
| ... | ... | @@ -7,7 +7,7 @@ |
| 7 | 7 | |
| 8 | 8 | #pragma once |
| 9 | 9 | |
| 10 | -#include "TrueMQTT.h" | |
| 10 | +#include "ClientImpl.h" | |
| 11 | 11 | |
| 12 | 12 | #include <string> |
| 13 | 13 | #include <map> |
| ... | ... | @@ -20,19 +20,15 @@ |
| 20 | 20 | #define INVALID_SOCKET -1 |
| 21 | 21 | #define closesocket close |
| 22 | 22 | |
| 23 | -class Connection | |
| 23 | +class Packet; | |
| 24 | + | |
| 25 | +class TrueMQTT::Client::Impl::Connection | |
| 24 | 26 | { |
| 25 | 27 | public: |
| 26 | - Connection(TrueMQTT::Client::LogLevel log_level, | |
| 27 | - const std::function<void(TrueMQTT::Client::LogLevel, std::string)> &logger, | |
| 28 | - const std::function<void(TrueMQTT::Client::Error, std::string)> &error_callback, | |
| 29 | - const std::function<void(std::string, std::string)> &publish_callback, | |
| 30 | - const std::function<void(bool)> &connection_change_callback, | |
| 31 | - const std::string &host, | |
| 32 | - int port); | |
| 28 | + Connection(TrueMQTT::Client::Impl &impl); | |
| 33 | 29 | ~Connection(); |
| 34 | 30 | |
| 35 | - void send(class Packet &packet) const; | |
| 31 | + void send(Packet &packet) const; | |
| 36 | 32 | |
| 37 | 33 | private: |
| 38 | 34 | // Implemented in Connection.cpp |
| ... | ... | @@ -58,15 +54,7 @@ private: |
| 58 | 54 | STOP, |
| 59 | 55 | }; |
| 60 | 56 | |
| 61 | - TrueMQTT::Client::LogLevel log_level; | |
| 62 | - const std::function<void(TrueMQTT::Client::LogLevel, std::string)> logger; | |
| 63 | - | |
| 64 | - const std::function<void(TrueMQTT::Client::Error, std::string)> m_error_callback; | |
| 65 | - const std::function<void(std::string, std::string)> m_publish_callback; | |
| 66 | - const std::function<void(bool)> m_connection_change_callback; | |
| 67 | - | |
| 68 | - const std::string m_host; ///< The hostname or IP address to connect to. | |
| 69 | - int m_port; ///< The port to connect to. | |
| 57 | + TrueMQTT::Client::Impl &m_impl; | |
| 70 | 58 | |
| 71 | 59 | State m_state = State::RESOLVING; |
| 72 | 60 | std::thread m_thread; ///< Current thread used to run this connection. | ... | ... |
src/Log.h
| ... | ... | @@ -22,65 +22,65 @@ |
| 22 | 22 | #endif |
| 23 | 23 | |
| 24 | 24 | #if MIN_LOGGER_LEVEL >= LOGGER_LEVEL_ERROR |
| 25 | -#define LOG_ERROR(obj, x) \ | |
| 26 | - do \ | |
| 27 | - { \ | |
| 28 | - if (obj->log_level >= TrueMQTT::Client::LogLevel::ERROR) \ | |
| 29 | - { \ | |
| 30 | - obj->logger(TrueMQTT::Client::LogLevel::ERROR, x); \ | |
| 31 | - } \ | |
| 25 | +#define LOG_ERROR(obj, x) \ | |
| 26 | + do \ | |
| 27 | + { \ | |
| 28 | + if ((obj)->log_level >= TrueMQTT::Client::LogLevel::ERROR) \ | |
| 29 | + { \ | |
| 30 | + (obj)->logger(TrueMQTT::Client::LogLevel::ERROR, x); \ | |
| 31 | + } \ | |
| 32 | 32 | } while (0) |
| 33 | 33 | #else |
| 34 | 34 | #define LOG_ERROR(obj, x) |
| 35 | 35 | #endif |
| 36 | 36 | |
| 37 | 37 | #if MIN_LOGGER_LEVEL >= LOGGER_LEVEL_WARNING |
| 38 | -#define LOG_WARNING(obj, x) \ | |
| 39 | - do \ | |
| 40 | - { \ | |
| 41 | - if (obj->log_level >= TrueMQTT::Client::LogLevel::WARNING) \ | |
| 42 | - { \ | |
| 43 | - obj->logger(TrueMQTT::Client::LogLevel::WARNING, x); \ | |
| 44 | - } \ | |
| 38 | +#define LOG_WARNING(obj, x) \ | |
| 39 | + do \ | |
| 40 | + { \ | |
| 41 | + if ((obj)->log_level >= TrueMQTT::Client::LogLevel::WARNING) \ | |
| 42 | + { \ | |
| 43 | + (obj)->logger(TrueMQTT::Client::LogLevel::WARNING, x); \ | |
| 44 | + } \ | |
| 45 | 45 | } while (0) |
| 46 | 46 | #else |
| 47 | 47 | #define LOG_WARNING(obj, x) |
| 48 | 48 | #endif |
| 49 | 49 | |
| 50 | 50 | #if MIN_LOGGER_LEVEL >= LOGGER_LEVEL_INFO |
| 51 | -#define LOG_INFO(obj, x) \ | |
| 52 | - do \ | |
| 53 | - { \ | |
| 54 | - if (obj->log_level >= TrueMQTT::Client::LogLevel::INFO) \ | |
| 55 | - { \ | |
| 56 | - obj->logger(TrueMQTT::Client::LogLevel::INFO, x); \ | |
| 57 | - } \ | |
| 51 | +#define LOG_INFO(obj, x) \ | |
| 52 | + do \ | |
| 53 | + { \ | |
| 54 | + if ((obj)->log_level >= TrueMQTT::Client::LogLevel::INFO) \ | |
| 55 | + { \ | |
| 56 | + (obj)->logger(TrueMQTT::Client::LogLevel::INFO, x); \ | |
| 57 | + } \ | |
| 58 | 58 | } while (0) |
| 59 | 59 | #else |
| 60 | 60 | #define LOG_INFO(obj, x) |
| 61 | 61 | #endif |
| 62 | 62 | |
| 63 | 63 | #if MIN_LOGGER_LEVEL >= LOGGER_LEVEL_DEBUG |
| 64 | -#define LOG_DEBUG(obj, x) \ | |
| 65 | - do \ | |
| 66 | - { \ | |
| 67 | - if (obj->log_level >= TrueMQTT::Client::LogLevel::DEBUG) \ | |
| 68 | - { \ | |
| 69 | - obj->logger(TrueMQTT::Client::LogLevel::DEBUG, x); \ | |
| 70 | - } \ | |
| 64 | +#define LOG_DEBUG(obj, x) \ | |
| 65 | + do \ | |
| 66 | + { \ | |
| 67 | + if ((obj)->log_level >= TrueMQTT::Client::LogLevel::DEBUG) \ | |
| 68 | + { \ | |
| 69 | + (obj)->logger(TrueMQTT::Client::LogLevel::DEBUG, x); \ | |
| 70 | + } \ | |
| 71 | 71 | } while (0) |
| 72 | 72 | #else |
| 73 | 73 | #define LOG_DEBUG(obj, x) |
| 74 | 74 | #endif |
| 75 | 75 | |
| 76 | 76 | #if MIN_LOGGER_LEVEL >= LOGGER_LEVEL_TRACE |
| 77 | -#define LOG_TRACE(obj, x) \ | |
| 78 | - do \ | |
| 79 | - { \ | |
| 80 | - if (obj->log_level >= TrueMQTT::Client::LogLevel::TRACE) \ | |
| 81 | - { \ | |
| 82 | - obj->logger(TrueMQTT::Client::LogLevel::TRACE, x); \ | |
| 83 | - } \ | |
| 77 | +#define LOG_TRACE(obj, x) \ | |
| 78 | + do \ | |
| 79 | + { \ | |
| 80 | + if ((obj)->log_level >= TrueMQTT::Client::LogLevel::TRACE) \ | |
| 81 | + { \ | |
| 82 | + (obj)->logger(TrueMQTT::Client::LogLevel::TRACE, x); \ | |
| 83 | + } \ | |
| 84 | 84 | } while (0) |
| 85 | 85 | #else |
| 86 | 86 | #define LOG_TRACE(obj, x) | ... | ... |
src/Packet.cpp
| ... | ... | @@ -121,7 +121,7 @@ public: |
| 121 | 121 | uint8_t m_flags; |
| 122 | 122 | }; |
| 123 | 123 | |
| 124 | -ssize_t Connection::recv(char *buffer, size_t length) const | |
| 124 | +ssize_t TrueMQTT::Client::Impl::Connection::recv(char *buffer, size_t length) const | |
| 125 | 125 | { |
| 126 | 126 | // We idle-check every 100ms if we are requested to stop, as otherwise |
| 127 | 127 | // this thread will block till the server disconnects us. |
| ... | ... | @@ -142,27 +142,27 @@ ssize_t Connection::recv(char *buffer, size_t length) const |
| 142 | 142 | } |
| 143 | 143 | if (m_state == State::STOP) |
| 144 | 144 | { |
| 145 | - LOG_TRACE(this, "Closing connection as STOP has been requested"); | |
| 145 | + LOG_TRACE(&m_impl, "Closing connection as STOP has been requested"); | |
| 146 | 146 | return -1; |
| 147 | 147 | } |
| 148 | 148 | |
| 149 | 149 | ssize_t res = ::recv(m_socket, buffer, length, 0); |
| 150 | 150 | if (res == 0) |
| 151 | 151 | { |
| 152 | - LOG_INFO(this, "Connection closed by peer"); | |
| 152 | + LOG_INFO(&m_impl, "Connection closed by peer"); | |
| 153 | 153 | return -1; |
| 154 | 154 | } |
| 155 | 155 | if (res < 0) |
| 156 | 156 | { |
| 157 | - LOG_WARNING(this, "Connection read error: " + std::string(strerror(errno))); | |
| 157 | + LOG_WARNING(&m_impl, "Connection read error: " + std::string(strerror(errno))); | |
| 158 | 158 | return -1; |
| 159 | 159 | } |
| 160 | 160 | |
| 161 | - LOG_TRACE(this, "Received " + std::to_string(res) + " bytes"); | |
| 161 | + LOG_TRACE(&m_impl, "Received " + std::to_string(res) + " bytes"); | |
| 162 | 162 | return res; |
| 163 | 163 | } |
| 164 | 164 | |
| 165 | -bool Connection::recvLoop() | |
| 165 | +bool TrueMQTT::Client::Impl::Connection::recvLoop() | |
| 166 | 166 | { |
| 167 | 167 | uint8_t buffer; |
| 168 | 168 | |
| ... | ... | @@ -177,7 +177,7 @@ bool Connection::recvLoop() |
| 177 | 177 | |
| 178 | 178 | if (packet_type_raw < 1 || packet_type_raw > 14) |
| 179 | 179 | { |
| 180 | - LOG_ERROR(this, "Received invalid packet type (" + std::to_string(packet_type_raw) + ") from broker, closing connection"); | |
| 180 | + LOG_ERROR(&m_impl, "Received invalid packet type (" + std::to_string(packet_type_raw) + ") from broker, closing connection"); | |
| 181 | 181 | return false; |
| 182 | 182 | } |
| 183 | 183 | |
| ... | ... | @@ -203,11 +203,11 @@ bool Connection::recvLoop() |
| 203 | 203 | } |
| 204 | 204 | if ((buffer & 0x80) != 0) |
| 205 | 205 | { |
| 206 | - LOG_ERROR(this, "Malformed packet length received, closing connection"); | |
| 206 | + LOG_ERROR(&m_impl, "Malformed packet length received, closing connection"); | |
| 207 | 207 | return false; |
| 208 | 208 | } |
| 209 | 209 | |
| 210 | - LOG_TRACE(this, "Received packet of type " + std::string(magic_enum::enum_name(packet_type)) + " with flags " + std::to_string(flags) + " and length " + std::to_string(remaining_length)); | |
| 210 | + LOG_TRACE(&m_impl, "Received packet of type " + std::string(magic_enum::enum_name(packet_type)) + " with flags " + std::to_string(flags) + " and length " + std::to_string(remaining_length)); | |
| 211 | 211 | |
| 212 | 212 | // Read the rest of the packet. |
| 213 | 213 | std::vector<uint8_t> data; |
| ... | ... | @@ -235,25 +235,25 @@ bool Connection::recvLoop() |
| 235 | 235 | |
| 236 | 236 | if (!packet.read_uint8(acknowledge)) |
| 237 | 237 | { |
| 238 | - LOG_ERROR(this, "Malformed packet received, closing connection"); | |
| 238 | + LOG_ERROR(&m_impl, "Malformed packet received, closing connection"); | |
| 239 | 239 | return false; |
| 240 | 240 | } |
| 241 | 241 | if (!packet.read_uint8(return_code)) |
| 242 | 242 | { |
| 243 | - LOG_ERROR(this, "Malformed packet received, closing connection"); | |
| 243 | + LOG_ERROR(&m_impl, "Malformed packet received, closing connection"); | |
| 244 | 244 | return false; |
| 245 | 245 | } |
| 246 | 246 | |
| 247 | - LOG_DEBUG(this, "Received CONNACK with acknowledge " + std::to_string(acknowledge) + " and return code " + std::to_string(return_code)); | |
| 247 | + LOG_DEBUG(&m_impl, "Received CONNACK with acknowledge " + std::to_string(acknowledge) + " and return code " + std::to_string(return_code)); | |
| 248 | 248 | |
| 249 | 249 | if (return_code != 0) |
| 250 | 250 | { |
| 251 | - LOG_ERROR(this, "Broker actively refused our connection"); | |
| 251 | + LOG_ERROR(&m_impl, "Broker actively refused our connection"); | |
| 252 | 252 | return false; |
| 253 | 253 | } |
| 254 | 254 | |
| 255 | 255 | m_state = State::CONNECTED; |
| 256 | - m_connection_change_callback(true); | |
| 256 | + m_impl.connectionStateChange(true); | |
| 257 | 257 | break; |
| 258 | 258 | } |
| 259 | 259 | case Packet::PacketType::PUBLISH: |
| ... | ... | @@ -261,16 +261,16 @@ bool Connection::recvLoop() |
| 261 | 261 | std::string topic; |
| 262 | 262 | if (!packet.read_string(topic)) |
| 263 | 263 | { |
| 264 | - LOG_ERROR(this, "Malformed packet received, closing connection"); | |
| 264 | + LOG_ERROR(&m_impl, "Malformed packet received, closing connection"); | |
| 265 | 265 | return false; |
| 266 | 266 | } |
| 267 | 267 | |
| 268 | 268 | std::string payload; |
| 269 | 269 | packet.read_remaining(payload); |
| 270 | 270 | |
| 271 | - LOG_DEBUG(this, "Received PUBLISH with topic " + topic + ": " + payload); | |
| 271 | + LOG_DEBUG(&m_impl, "Received PUBLISH with topic " + topic + ": " + payload); | |
| 272 | 272 | |
| 273 | - m_publish_callback(std::move(topic), std::move(payload)); | |
| 273 | + m_impl.messageReceived(std::move(topic), std::move(payload)); | |
| 274 | 274 | break; |
| 275 | 275 | } |
| 276 | 276 | case Packet::PacketType::SUBACK: |
| ... | ... | @@ -280,22 +280,22 @@ bool Connection::recvLoop() |
| 280 | 280 | |
| 281 | 281 | if (!packet.read_uint16(packet_id)) |
| 282 | 282 | { |
| 283 | - LOG_ERROR(this, "Malformed packet received, closing connection"); | |
| 283 | + LOG_ERROR(&m_impl, "Malformed packet received, closing connection"); | |
| 284 | 284 | return false; |
| 285 | 285 | } |
| 286 | 286 | if (!packet.read_uint8(return_code)) |
| 287 | 287 | { |
| 288 | - LOG_ERROR(this, "Malformed packet received, closing connection"); | |
| 288 | + LOG_ERROR(&m_impl, "Malformed packet received, closing connection"); | |
| 289 | 289 | return false; |
| 290 | 290 | } |
| 291 | 291 | |
| 292 | - LOG_DEBUG(this, "Received SUBACK with packet id " + std::to_string(packet_id) + " and return code " + std::to_string(return_code)); | |
| 292 | + LOG_DEBUG(&m_impl, "Received SUBACK with packet id " + std::to_string(packet_id) + " and return code " + std::to_string(return_code)); | |
| 293 | 293 | |
| 294 | 294 | if (return_code > 2) |
| 295 | 295 | { |
| 296 | - LOG_WARNING(this, "Broker refused our subscription"); | |
| 296 | + LOG_WARNING(&m_impl, "Broker refused our subscription"); | |
| 297 | 297 | // TODO -- Keep track of the topic per ticket |
| 298 | - m_error_callback(TrueMQTT::Client::Error::SUBSCRIBE_FAILED, ""); | |
| 298 | + m_impl.error_callback(TrueMQTT::Client::Error::SUBSCRIBE_FAILED, ""); | |
| 299 | 299 | } |
| 300 | 300 | |
| 301 | 301 | break; |
| ... | ... | @@ -306,25 +306,25 @@ bool Connection::recvLoop() |
| 306 | 306 | |
| 307 | 307 | if (!packet.read_uint16(packet_id)) |
| 308 | 308 | { |
| 309 | - LOG_ERROR(this, "Malformed packet received, closing connection"); | |
| 309 | + LOG_ERROR(&m_impl, "Malformed packet received, closing connection"); | |
| 310 | 310 | return false; |
| 311 | 311 | } |
| 312 | 312 | |
| 313 | - LOG_DEBUG(this, "Received UNSUBACK with packet id " + std::to_string(packet_id)); | |
| 313 | + LOG_DEBUG(&m_impl, "Received UNSUBACK with packet id " + std::to_string(packet_id)); | |
| 314 | 314 | |
| 315 | 315 | break; |
| 316 | 316 | } |
| 317 | 317 | default: |
| 318 | - LOG_ERROR(this, "Received unexpected packet type " + std::string(magic_enum::enum_name(packet_type)) + " from broker, closing connection"); | |
| 318 | + LOG_ERROR(&m_impl, "Received unexpected packet type " + std::string(magic_enum::enum_name(packet_type)) + " from broker, closing connection"); | |
| 319 | 319 | return false; |
| 320 | 320 | } |
| 321 | 321 | |
| 322 | 322 | return true; |
| 323 | 323 | } |
| 324 | 324 | |
| 325 | -void Connection::send(Packet &packet) const | |
| 325 | +void TrueMQTT::Client::Impl::Connection::send(Packet &packet) const | |
| 326 | 326 | { |
| 327 | - LOG_TRACE(this, "Sending packet of type " + std::string(magic_enum::enum_name(packet.m_packet_type)) + " with flags " + std::to_string(packet.m_flags) + " and length " + std::to_string(packet.m_buffer.size())); | |
| 327 | + LOG_TRACE(&m_impl, "Sending packet of type " + std::string(magic_enum::enum_name(packet.m_packet_type)) + " with flags " + std::to_string(packet.m_flags) + " and length " + std::to_string(packet.m_buffer.size())); | |
| 328 | 328 | |
| 329 | 329 | std::vector<uint8_t> buffer; |
| 330 | 330 | |
| ... | ... | @@ -347,19 +347,19 @@ void Connection::send(Packet &packet) const |
| 347 | 347 | // Write header and packet. |
| 348 | 348 | if (::send(m_socket, (char *)buffer.data(), buffer.size(), MSG_NOSIGNAL) < 0) |
| 349 | 349 | { |
| 350 | - LOG_WARNING(this, "Connection write error: " + std::string(strerror(errno))); | |
| 350 | + LOG_WARNING(&m_impl, "Connection write error: " + std::string(strerror(errno))); | |
| 351 | 351 | return; |
| 352 | 352 | } |
| 353 | 353 | if (::send(m_socket, (char *)packet.m_buffer.data(), packet.m_buffer.size(), MSG_NOSIGNAL) < 0) |
| 354 | 354 | { |
| 355 | - LOG_WARNING(this, "Connection write error: " + std::string(strerror(errno))); | |
| 355 | + LOG_WARNING(&m_impl, "Connection write error: " + std::string(strerror(errno))); | |
| 356 | 356 | return; |
| 357 | 357 | } |
| 358 | 358 | } |
| 359 | 359 | |
| 360 | -void Connection::sendConnect() | |
| 360 | +void TrueMQTT::Client::Impl::Connection::sendConnect() | |
| 361 | 361 | { |
| 362 | - LOG_TRACE(this, "Sending CONNECT packet"); | |
| 362 | + LOG_TRACE(&m_impl, "Sending CONNECT packet"); | |
| 363 | 363 | |
| 364 | 364 | static std::string protocol_name("MQTT"); |
| 365 | 365 | static std::string client_id("ClientID"); | ... | ... |