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added API docs

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pull/2/head
Falk Werner 4 years ago
parent b2826e8325
commit a92428cbe1
3 changed files with 159 additions and 11 deletions
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96
include/webfuse/adapter/client.h
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@ -14,42 +14,138 @@ extern "C"
{
#endif
//------------------------------------------------------------------------------
/// \struct wf_client
/// \brief Adapter client
///
/// An adapter client is used to connect to a remote provider server, e.g. a
/// cloud service, an request a filesystem to inject.
//------------------------------------------------------------------------------
struct wf_client;
//------------------------------------------------------------------------------
/// \brief Created a new instance of an adapter client.
///
/// During creation, the client is initialized in the following order:
/// - WF_CLIENT_INIT is triggered to initialize custom data
/// - WF_CLIENT_GET_TLS_CONFIG is triggered to query TLS configuration
/// - internal initialization is performed
/// - WF_CLIENT_CREATED is triggered
///
/// Therefore, the client should not be used, unless WF_CLIENT_CREATED is
/// triggered.
///
/// When TLS configuration is queried, a pointer to an instance if
/// \see wf_client_tlsconfig is provided to be set by the user.
///
/// \param callback Pointer to the callback function.
/// \param user_data Pointer to user data.
///
/// \return Newly created instance of an adapter client.
//------------------------------------------------------------------------------
extern WF_API struct wf_client *
wf_client_create(
wf_client_callback_fn * callback,
void * user_data);
//------------------------------------------------------------------------------
/// \brief Disposes an adapter client.
///
/// \param client Pointer to the client.
//------------------------------------------------------------------------------
extern WF_API void
wf_client_dispose(
struct wf_client * client);
//------------------------------------------------------------------------------
/// \brief Get user data.
///
/// \param client Pointer to the client.
//------------------------------------------------------------------------------
extern WF_API void *
wf_client_get_userdata(
struct wf_client * client);
//------------------------------------------------------------------------------
/// \brief Triggers the client.
///
/// \param client Pointer to the client.
//------------------------------------------------------------------------------
extern WF_API void
wf_client_service(
struct wf_client * client);
//------------------------------------------------------------------------------
/// \brief Interrupts a service call.
///
/// Wakes up the client.
///
/// \note This is the only function that can be used safely from another
// thread.
///
/// \param client Pointer to the client.
//------------------------------------------------------------------------------
extern WF_API void
wf_client_interrupt(
struct wf_client * client);
//------------------------------------------------------------------------------
/// \brief Connects to a foreign server.
///
/// Starts to connect. The callback is triggered, when connect is finised:
/// - WF_CLIENT_CONNECTED on success
/// - WF_CLIENT_DISCONNECTED on connect error
///
/// \param client Pointer to the client.
/// \param url URL of the remote ppovider.
//------------------------------------------------------------------------------
extern WF_API void
wf_client_connect(
struct wf_client * client,
char const * url);
//------------------------------------------------------------------------------
/// \brief Disconnects from the foreign server.
///
/// The event WF_CLIENT_DISCONNECTED is triggered, when disconnected.
///
/// \param client Pointer to the client.
//------------------------------------------------------------------------------
extern WF_API void
wf_client_disconnect(
struct wf_client * client);
//------------------------------------------------------------------------------
/// \brief Authenticated the client.
///
/// During authentication, credentials are queries via
/// WF_CLIENT_AUTHENTICATE_GET_CREDENTIALS event. In that case a pointer to an
/// instance of wf_client_tlsconfig is provided to set credentials.
///
/// When authentications finishes, an event is triggered:
/// - WF_CLIENT_AUTHENTICATED on success
/// - WF_CLIENT_AUTHENTICATION_FAILED on failure
///
/// \param client Pointer to the client.
//------------------------------------------------------------------------------
extern WF_API void
wf_client_authenticate(
struct wf_client * client);
//------------------------------------------------------------------------------
/// \brief Add a filesystem.
///
/// After add filesystem finished, an event is triggered:
/// - WF_CLIENT_FILESYSTEM_ADDED on success
/// - WF_CLIENT_FILESYSTEM_ADD_FAILED on failure
///
/// \note Currently, only one file system is supported by the client.
///
/// \param client Pointer to the client.
/// \param local_path Local path where the filesystem should be places
/// (must be an exististing and empty directory).
/// \param name Name of the filesystem (identifier sent to the provider).
//------------------------------------------------------------------------------
extern WF_API void
wf_client_add_filesystem(
struct wf_client * client,

37
include/webfuse/adapter/client_callback.h
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@ -1,3 +1,8 @@
////////////////////////////////////////////////////////////////////////////////
/// \file adapter/client_callbak.h
/// \brief Callback of adapter clients.
////////////////////////////////////////////////////////////////////////////////
#ifndef WF_ADAPTER_CLIENT_CALLBACK_H
#define WF_ADAPTER_CLIENT_CALLBACK_H
@ -7,24 +12,34 @@ extern "C"
#endif
#define WF_CLIENT_INIT 0x0001
#define WF_CLIENT_CLEANUP 0x0002
#define WF_CLIENT_CREATED 0x0003
#define WF_CLIENT_INIT 0x0001 ///< Out-most initialization of a client
#define WF_CLIENT_CLEANUP 0x0002 ///< Out-most cleanup of a client
#define WF_CLIENT_CREATED 0x0003 ///< Client is fully initialized an can be used
#define WF_CLIENT_CONNECTED 0x0011
#define WF_CLIENT_DISCONNECTED 0x0012
#define WF_CLIENT_CONNECTED 0x0011 ///< Connection to a foreign provider established
#define WF_CLIENT_DISCONNECTED 0x0012 ///< Connection closed or connect failed
#define WF_CLIENT_AUTHENTICATED 0x0021
#define WF_CLIENT_AUTHENTICATION_FAILED 0x0022
#define WF_CLIENT_AUTHENTICATE_GET_CREDENTIALS 0x0023
#define WF_CLIENT_AUTHENTICATED 0x0021 ///< Authentication succeeded
#define WF_CLIENT_AUTHENTICATION_FAILED 0x0022 ///< Authentication failed
#define WF_CLIENT_AUTHENTICATE_GET_CREDENTIALS 0x0023 ///< Query credentials (\see wf_client_authenticate)
#define WF_CLIENT_FILESYSTEM_ADDED 0x0031
#define WF_CLIENT_FILESYSTEM_ADD_FAILED 0x0032
#define WF_CLIENT_FILESYSTEM_ADDED 0x0031 ///< File system added successfully
#define WF_CLIENT_FILESYSTEM_ADD_FAILED 0x0032 ///< Failed to add file system
#define WF_CLIENT_GET_TLS_CONFIG 0x0041
#define WF_CLIENT_GET_TLS_CONFIG 0x0041 ///< Query TLS config (\see wf_client_create)
struct wf_client;
//------------------------------------------------------------------------------
/// \brief Client callback function
///
/// This function is triggered whenever an event occurs the client should
/// be aware of.
///
/// \param client Pointer to the client
/// \param reason Event, that triggered the callback
/// \param args Event-specific arguments
//------------------------------------------------------------------------------
typedef void wf_client_callback_fn(
struct wf_client * client,
int reason,

37
include/webfuse/adapter/client_tlsconfig.h
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@ -1,3 +1,8 @@
////////////////////////////////////////////////////////////////////////////////
/// \file adapter/client_tslconfig.h
/// \brief Configuration of TLS (Transport Layer Security) for adapter clients.
////////////////////////////////////////////////////////////////////////////////
#ifndef WF_ADAPTER_CLIENT_TLSCONFIG_H
#define WF_ADAPTER_CLIENT_TLSCONFIG_H
@ -8,18 +13,50 @@ extern "C"
{
#endif
//------------------------------------------------------------------------------
/// \struct wf_client_tlsconfig
/// \brief TLS configuration of the client.
///
/// TLS configuration is queried during initialization of a client via
/// WF_CLIENT_GET_TLS_CONFIG event.
///
/// \see WF_CLIENT_GET_TLS_CONFIG
/// \see wf_client_create
//------------------------------------------------------------------------------
struct wf_client_tlsconfig;
//------------------------------------------------------------------------------
/// \brief Sets the path to the private key.
///
/// \note To enable TLS both, key_path and cert_path, must be specified.
///
/// \param config Pointer to config.
/// \param key_path Path to private key file (in PEM format).
//------------------------------------------------------------------------------
extern WF_API void
wf_client_tlsconfig_set_keypath(
struct wf_client_tlsconfig * config,
char const * key_path);
//------------------------------------------------------------------------------
/// \brief Sets the path to the clients certificate.
///
/// \note To enable TLS both, key_path and cert_path, must be specified.
///
/// \param config Pointer to the config.
/// \param cert_path Path the the clients certificate (in PEM format).
//------------------------------------------------------------------------------
extern WF_API void
wf_client_tlsconfig_set_certpath(
struct wf_client_tlsconfig * config,
char const * cert_path);
//------------------------------------------------------------------------------
/// \brief Sets the path the CA file.
///
/// \param config Pointer to the config.
/// \param cafile_path Path to CA file (in PEM format).
//------------------------------------------------------------------------------
extern WF_API void
wf_client_tlsconfig_set_cafilepath(
struct wf_client_tlsconfig * config,

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