diff options
-rw-r--r-- | indra/llplugin/llplugininstance.cpp | 33 | ||||
-rw-r--r-- | indra/llplugin/llplugininstance.h | 24 | ||||
-rw-r--r-- | indra/llplugin/llpluginmessage.cpp | 6 | ||||
-rw-r--r-- | indra/llplugin/llpluginmessage.h | 8 |
4 files changed, 62 insertions, 9 deletions
diff --git a/indra/llplugin/llplugininstance.cpp b/indra/llplugin/llplugininstance.cpp index 16ba492669..44e3b4950f 100644 --- a/indra/llplugin/llplugininstance.cpp +++ b/indra/llplugin/llplugininstance.cpp @@ -37,13 +37,21 @@ #include "llapr.h" -//virtual +/** Virtual destructor. */ LLPluginInstanceMessageListener::~LLPluginInstanceMessageListener() { } +/** + * TODO:DOC describe how it's used + */ const char *LLPluginInstance::PLUGIN_INIT_FUNCTION_NAME = "LLPluginInitEntryPoint"; +/** + * Constructor. + * + * @param[in] owner Plugin instance. TODO:DOC is this a good description of what "owner" is? + */ LLPluginInstance::LLPluginInstance(LLPluginInstanceMessageListener *owner) : mDSOHandle(NULL), mPluginUserData(NULL), @@ -52,6 +60,9 @@ LLPluginInstance::LLPluginInstance(LLPluginInstanceMessageListener *owner) : mOwner = owner; } +/** + * Destructor. + */ LLPluginInstance::~LLPluginInstance() { if(mDSOHandle != NULL) @@ -61,6 +72,12 @@ LLPluginInstance::~LLPluginInstance() } } +/** + * Dynamically loads the plugin and runs the plugin's init function. + * + * @param[in] plugin_file Name of plugin dll/dylib/so. TODO:DOC is this correct? see .h + * @return 0 if successful, APR error code or error code from the plugin's init function on failure. + */ int LLPluginInstance::load(std::string &plugin_file) { pluginInitFunction init_function = NULL; @@ -102,6 +119,11 @@ int LLPluginInstance::load(std::string &plugin_file) return (int)result; } +/** + * Sends a message to the plugin. + * + * @param[in] message Message + */ void LLPluginInstance::sendMessage(const std::string &message) { if(mPluginSendMessageFunction) @@ -115,6 +137,10 @@ void LLPluginInstance::sendMessage(const std::string &message) } } +/** + * Idle. TODO:DOC what's the purpose of this? + * + */ void LLPluginInstance::idle(void) { } @@ -128,6 +154,11 @@ void LLPluginInstance::staticReceiveMessage(const char *message_string, void **u self->receiveMessage(message_string); } +/** + * Plugin receives message from plugin loader shell. + * + * @param[in] message_string Message + */ void LLPluginInstance::receiveMessage(const char *message_string) { if(mOwner) diff --git a/indra/llplugin/llplugininstance.h b/indra/llplugin/llplugininstance.h index 02936f65fb..c11d5ab5d4 100644 --- a/indra/llplugin/llplugininstance.h +++ b/indra/llplugin/llplugininstance.h @@ -1,6 +1,5 @@ /** * @file llplugininstance.h - * @brief LLPluginInstance handles loading the dynamic library of a plugin and setting up its entry points for message passing. * * @cond * $LicenseInfo:firstyear=2008&license=viewergpl$ @@ -39,13 +38,20 @@ #include "apr_dso.h" +/** + * @brief LLPluginInstanceMessageListener receives messages sent from the plugin loader shell to the plugin. + */ class LLPluginInstanceMessageListener { public: virtual ~LLPluginInstanceMessageListener(); + /** Plugin receives message from plugin loader shell. */ virtual void receivePluginMessage(const std::string &message) = 0; }; +/** + * @brief LLPluginInstance handles loading the dynamic library of a plugin and setting up its entry points for message passing. + */ class LLPluginInstance { LOG_CLASS(LLPluginInstance); @@ -60,19 +66,27 @@ public: // Sends a message to the plugin. void sendMessage(const std::string &message); + // TODO:DOC is this comment obsolete? can't find "send_count" anywhere in indra tree. // send_count is the maximum number of message to process from the send queue. If negative, it will drain the queue completely. // The receive queue is always drained completely. // Returns the total number of messages processed from both queues. void idle(void); - // this is the signature of the "send a message" function. - // message_string is a null-terminated C string - // user_data is the opaque reference that the callee supplied during setup. + /** The signature of the function for sending a message from plugin to plugin loader shell. + * + * @param[in] message_string Null-terminated C string + * @param[in] user_data The opaque reference that the callee supplied during setup. + */ typedef void (*sendMessageFunction) (const char *message_string, void **user_data); - // signature of the plugin init function + /** The signature of the plugin init function. TODO:DOC check direction (pluging loader shell to plugin?) + * + * @param[in] host_user_data Data from plugin loader shell. + * @param[in] plugin_send_function Function for sending from the plugin loader shell to plugin. + */ typedef int (*pluginInitFunction) (sendMessageFunction host_send_func, void *host_user_data, sendMessageFunction *plugin_send_func, void **plugin_user_data); + /** Name of plugin init function */ static const char *PLUGIN_INIT_FUNCTION_NAME; private: diff --git a/indra/llplugin/llpluginmessage.cpp b/indra/llplugin/llpluginmessage.cpp index d06f3cefa0..f76d848a70 100644 --- a/indra/llplugin/llpluginmessage.cpp +++ b/indra/llplugin/llpluginmessage.cpp @@ -387,12 +387,18 @@ int LLPluginMessage::parse(const std::string &message) } +/** + * Destructor + */ LLPluginMessageListener::~LLPluginMessageListener() { // TODO: should listeners have a way to ensure they're removed from dispatcher lists when deleted? } +/** + * Destructor + */ LLPluginMessageDispatcher::~LLPluginMessageDispatcher() { diff --git a/indra/llplugin/llpluginmessage.h b/indra/llplugin/llpluginmessage.h index e00022a245..cbd31e0964 100644 --- a/indra/llplugin/llpluginmessage.h +++ b/indra/llplugin/llpluginmessage.h @@ -1,6 +1,5 @@ /** * @file llpluginmessage.h - * @brief LLPluginMessage encapsulates the serialization/deserialization of messages passed to and from plugins. * * @cond * $LicenseInfo:firstyear=2008&license=viewergpl$ @@ -36,7 +35,9 @@ #include "llsd.h" - +/** + * @brief LLPluginMessage encapsulates the serialization/deserialization of messages passed to and from plugins. + */ class LLPluginMessage { LOG_CLASS(LLPluginMessage); @@ -105,12 +106,13 @@ private: }; /** - * @brief Listens for plugin messages. + * @brief Listener for plugin messages. */ class LLPluginMessageListener { public: virtual ~LLPluginMessageListener(); + /** Plugin receives message from plugin loader shell. */ virtual void receivePluginMessage(const LLPluginMessage &message) = 0; }; |