The elements declared here constitute the C-Pluff C API. To use the API include this file and link the main program and plug-in runtime libraries with the C-Pluff C library. In addition to local declarations, this file also includes cpluffdef.h header file for defines common to C and C++ API.
Include dependency graph for cpluff.h:
Go to the source code of this file.
Data Structures | |
| struct | cp_plugin_info_t |
| Plug-in information structure captures information about a plug-in. More... | |
| struct | cp_plugin_import_t |
| Information about plug-in import. More... | |
| struct | cp_ext_point_t |
| Extension point structure captures information about an extension point. More... | |
| struct | cp_extension_t |
| Extension structure captures information about an extension. More... | |
| struct | cp_cfg_element_t |
| A configuration element contains configuration information for an extension. More... | |
| struct | cp_plugin_runtime_t |
| Container for plug-in runtime information. More... | |
Defines | |
| #define | CP_C_API |
| Marks a symbol declaration to be part of the C-Pluff C API. | |
| #define | CP_SP_UPGRADE |
| This flag enables upgrades of installed plug-ins by unloading the old version and installing the new version. | |
| #define | CP_SP_STOP_ALL_ON_UPGRADE |
| This flag causes all plug-ins to be stopped before any plug-ins are to be upgraded. | |
| #define | CP_SP_STOP_ALL_ON_INSTALL |
| This flag causes all plug-ins to be stopped before any plugins are to be installed (also if new version is to be installed as part of an upgrade). | |
| #define | CP_SP_RESTART_ACTIVE |
| Setting this flag causes the currently active plug-ins to be restarted after all changes to the plug-ins have been made (if they were stopped). | |
Typedefs | |
| typedef cp_context_t | cp_context_t |
| A plug-in context represents the co-operation environment of a set of plug-ins from the perspective of a particular participating plug-in or the perspective of the main program. | |
| typedef cp_plugin_info_t | cp_plugin_info_t |
| A type for cp_plugin_info_t structure. | |
| typedef cp_plugin_import_t | cp_plugin_import_t |
| A type for cp_plugin_import_t structure. | |
| typedef cp_ext_point_t | cp_ext_point_t |
| A type for cp_ext_point_t structure. | |
| typedef cp_extension_t | cp_extension_t |
| A type for cp_extension_t structure. | |
| typedef cp_cfg_element_t | cp_cfg_element_t |
| A type for cp_cfg_element_t structure. | |
| typedef cp_plugin_runtime_t | cp_plugin_runtime_t |
| A type for cp_plugin_runtime_t structure. | |
| typedef enum cp_status_t | cp_status_t |
| A type for cp_status_t enumeration. | |
| typedef enum cp_plugin_state_t | cp_plugin_state_t |
| A type for cp_plugin_state_t enumeration. | |
| typedef enum cp_log_severity_t | cp_log_severity_t |
| A type for cp_log_severity_t enumeration. | |
| typedef void(*) | cp_plugin_listener_func_t (const char *plugin_id, cp_plugin_state_t old_state, cp_plugin_state_t new_state, void *user_data) |
| A listener function called synchronously after a plugin state change. | |
| typedef void(*) | cp_logger_func_t (cp_log_severity_t severity, const char *msg, const char *apid, void *user_data) |
| A logger function called to log selected plug-in framework messages. | |
| typedef void(*) | cp_fatal_error_func_t (const char *msg) |
| A fatal error handler for handling unrecoverable errors. | |
| typedef int(*) | cp_run_func_t (void *plugin_data) |
| A run function registered by a plug-in to perform work. | |
Enumerations | |
| enum | cp_status_t { CP_OK = 0, CP_ERR_RESOURCE, CP_ERR_UNKNOWN, CP_ERR_IO, CP_ERR_MALFORMED, CP_ERR_CONFLICT, CP_ERR_DEPENDENCY, CP_ERR_RUNTIME } |
| An enumeration of status codes returned by API functions. More... | |
| enum | cp_plugin_state_t { CP_PLUGIN_UNINSTALLED, CP_PLUGIN_INSTALLED, CP_PLUGIN_RESOLVED, CP_PLUGIN_STARTING, CP_PLUGIN_STOPPING, CP_PLUGIN_ACTIVE } |
| An enumeration of possible plug-in states. More... | |
| enum | cp_log_severity_t { CP_LOG_DEBUG, CP_LOG_INFO, CP_LOG_WARNING, CP_LOG_ERROR } |
| An enumeration of possible message severities for framework logging. More... | |
Functions | |
| const char * | cp_get_version (void) |
| Returns the release version string of the linked in C-Pluff implementation. | |
| const char * | cp_get_host_type (void) |
| Returns the canonical host type associated with the linked in C-Pluff implementation. | |
| void | cp_set_fatal_error_handler (cp_fatal_error_func_t error_handler) |
| Sets the fatal error handler called on non-recoverable errors. | |
| cp_status_t | cp_init (void) |
| Initializes the plug-in framework. | |
| void | cp_destroy (void) |
| Destroys the plug-in framework and releases the resources used by it. | |
| cp_context_t * | cp_create_context (cp_status_t *status) |
| Creates a new plug-in context which can be used as a container for plug-ins. | |
| void | cp_destroy_context (cp_context_t *ctx) |
| Destroys the specified plug-in context and releases the associated resources. | |
| cp_status_t | cp_register_pcollection (cp_context_t *ctx, const char *dir) |
| Registers a plug-in collection with a plug-in context. | |
| void | cp_unregister_pcollection (cp_context_t *ctx, const char *dir) |
| Unregisters a previously registered plug-in collection from a plug-in context. | |
| void | cp_unregister_pcollections (cp_context_t *ctx) |
| Unregisters all plug-in collections from a plug-in context. | |
| cp_status_t | cp_register_logger (cp_context_t *ctx, cp_logger_func_t logger, void *user_data, cp_log_severity_t min_severity) |
| Registers a logger with a plug-in context or updates the settings of a registered logger. | |
| void | cp_unregister_logger (cp_context_t *ctx, cp_logger_func_t logger) |
| Removes a logger registration. | |
| void | cp_log (cp_context_t *ctx, cp_log_severity_t severity, const char *msg) |
| Emits a new log message. | |
| int | cp_is_logged (cp_context_t *ctx, cp_log_severity_t severity) |
| Returns whether a message of the specified severity would get logged. | |
| cp_plugin_info_t * | cp_load_plugin_descriptor (cp_context_t *ctx, const char *path, cp_status_t *status) |
| Loads a plug-in descriptor from the specified plug-in installation path and returns information about the plug-in. | |
| cp_status_t | cp_install_plugin (cp_context_t *ctx, cp_plugin_info_t *pi) |
| Installs the plug-in described by the specified plug-in information structure to the specified plug-in context. | |
| cp_status_t | cp_scan_plugins (cp_context_t *ctx, int flags) |
| Scans for plug-ins in the registered plug-in directories, installing new plug-ins and upgrading installed plug-ins. | |
| cp_status_t | cp_start_plugin (cp_context_t *ctx, const char *id) |
| Starts a plug-in. | |
| cp_status_t | cp_stop_plugin (cp_context_t *ctx, const char *id) |
| Stops a plug-in. | |
| void | cp_stop_plugins (cp_context_t *ctx) |
| Stops all active plug-ins. | |
| cp_status_t | cp_uninstall_plugin (cp_context_t *ctx, const char *id) |
| Uninstalls the specified plug-in. | |
| void | cp_uninstall_plugins (cp_context_t *ctx) |
| Uninstalls all plug-ins. | |
| cp_plugin_info_t * | cp_get_plugin_info (cp_context_t *ctx, const char *id, cp_status_t *status) |
| Returns static information about the specified plug-in. | |
| cp_plugin_info_t ** | cp_get_plugins_info (cp_context_t *ctx, cp_status_t *status, int *num) |
| Returns static information about the installed plug-ins. | |
| cp_ext_point_t ** | cp_get_ext_points_info (cp_context_t *ctx, cp_status_t *status, int *num) |
| Returns static information about the currently installed extension points. | |
| cp_extension_t ** | cp_get_extensions_info (cp_context_t *ctx, const char *extpt_id, cp_status_t *status, int *num) |
| Returns static information about the currently installed extension points. | |
| void | cp_release_info (cp_context_t *ctx, void *info) |
| Releases a previously obtained reference counted information object. | |
| cp_plugin_state_t | cp_get_plugin_state (cp_context_t *ctx, const char *id) |
| Returns the current state of the specified plug-in. | |
| cp_status_t | cp_register_plistener (cp_context_t *ctx, cp_plugin_listener_func_t listener, void *user_data) |
| Registers a plug-in listener with a plug-in context. | |
| void | cp_unregister_plistener (cp_context_t *ctx, cp_plugin_listener_func_t listener) |
| Removes a plug-in listener from a plug-in context. | |
| cp_cfg_element_t * | cp_lookup_cfg_element (cp_cfg_element_t *base, const char *path) |
| Traverses a configuration element tree and returns the specified element. | |
| char * | cp_lookup_cfg_value (cp_cfg_element_t *base, const char *path) |
| Traverses a configuration element tree and returns the value of the specified element or attribute. | |
| cp_status_t | cp_run_function (cp_context_t *ctx, cp_run_func_t runfunc) |
| Registers a new run function. | |
| void | cp_run_plugins (cp_context_t *ctx) |
| Runs the started plug-ins as long as there is something to run. | |
| int | cp_run_plugins_step (cp_context_t *ctx) |
| Runs one registered run function. | |
| void | cp_set_context_args (cp_context_t *ctx, char **argv) |
| Sets startup arguments for the specified plug-in context. | |
| char ** | cp_get_context_args (cp_context_t *ctx, int *argc) |
| Returns the startup arguments associated with the specified plug-in context. | |
| cp_status_t | cp_define_symbol (cp_context_t *ctx, const char *name, void *ptr) |
| Defines a context specific symbol. | |
| void * | cp_resolve_symbol (cp_context_t *ctx, const char *id, const char *name, cp_status_t *status) |
| Resolves a symbol provided by the specified plug-in. | |
| void | cp_release_symbol (cp_context_t *ctx, const void *ptr) |
| Releases a previously obtained symbol. | |
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