X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeshlink.h;h=6858b5bc9d889f80b07331edf7fcc36106632114;hb=abe7e94210c8308932a42094fbc260521e727fc9;hp=96fb8d6e7492da240e1505c06ce94dbd294f43b9;hpb=43ed5b9a5d739c50317d5d24898de07526a9297f;p=meshlink diff --git a/src/meshlink.h b/src/meshlink.h index 96fb8d6e..6858b5bc 100644 --- a/src/meshlink.h +++ b/src/meshlink.h @@ -65,6 +65,13 @@ typedef enum { MESHLINK_EPEER, ///< A peer caused an error } meshlink_errno_t; +// Device class +typedef enum { + BACKBONE = 1, + STATIONARY = 2, + PORTABLE = 3 +} dclass_t; + /// A variable holding the last encountered error from MeshLink. /** This is a thread local variable that contains the error code of the most recent error * encountered by a MeshLink API function called in the current thread. @@ -123,14 +130,15 @@ extern const char *meshlink_strerror(meshlink_errno_t err); * After the function returns, the application is free to overwrite or free @a name @a. * @param appname The application name which will be used in the mesh. * After the function returns, the application is free to overwrite or free @a name @a. + * @param dclass The device class which will be used in the mesh. * * @return A pointer to a meshlink_handle_t which represents this instance of MeshLink, or NULL in case of an error. * The pointer is valid until meshlink_close() is called. */ -extern meshlink_handle_t *meshlink_open(const char *confbase, const char *name, const char* appname); +extern meshlink_handle_t *meshlink_open(const char *confbase, const char *name, const char* appname, dclass_t dclass); /// is used by the C++ wrapper to allocate more memory behind the handle -extern meshlink_handle_t *meshlink_open_with_size(const char *confbase, const char *name, const char* appname, size_t size); +extern meshlink_handle_t *meshlink_open_with_size(const char *confbase, const char *name, const char* appname, dclass_t dclass, size_t size); /// Start MeshLink. /** This function causes MeshLink to open network sockets, make outgoing connections, and @@ -221,7 +229,7 @@ typedef enum { } meshlink_log_level_t; /// A callback for receiving log messages generated by MeshLink. -/** @param mesh A handle which represents an instance of MeshLink. +/** @param mesh A handle which represents an instance of MeshLink, or NULL. * @param level An enum describing the severity level of the message. * @param text A pointer to a nul-terminated C string containing the textual log message. * This pointer is only valid for the duration of the callback. @@ -232,12 +240,21 @@ typedef void (*meshlink_log_cb_t)(meshlink_handle_t *mesh, meshlink_log_level_t /// Set the log callback. /** This functions sets the callback that is called whenever MeshLink has some information to log. - * The callback is run in MeshLink's own thread. + * + * The @a mesh @a parameter can either be a valid MeshLink handle, or NULL. + * In case it is NULL, the callback will be called for errors that happen outside the context of a valid mesh instance. + * Otherwise, it will be called for errors that happen in the context of the given mesh instance. + * + * If @a mesh @a is not NULL, then the callback is run in MeshLink's own thread. * It is important that the callback uses apprioriate methods (queues, pipes, locking, etc.) * to hand the data over to the application's thread. * The callback should also not block itself and return as quickly as possible. * - * @param mesh A handle which represents an instance of MeshLink. + * The @a mesh @a parameter can either be a valid MeshLink handle, or NULL. + * In case it is NULL, the callback will be called for errors that happen outside the context of a valid mesh instance. + * Otherwise, it will be called for errors that happen in the context of the given mesh instance. + * + * @param mesh A handle which represents an instance of MeshLink, or NULL. * @param level An enum describing the minimum severity level. Debugging information with a lower level will not trigger the callback. * @param cb A pointer to the function which will be called when another node sends data to the local node. * If a NULL pointer is given, the callback will be disabled. @@ -589,7 +606,7 @@ extern ssize_t meshlink_channel_send(meshlink_handle_t *mesh, meshlink_channel_t * given hostname. The caller is free to overwrite or free * this memory once meshlink returns. */ -extern void meshlink_hint_address(meshlink_handle_t *mesh, meshlink_node_t *node, struct sockaddr *addr); +extern void meshlink_hint_address(meshlink_handle_t *mesh, meshlink_node_t *node, const struct sockaddr *addr); #ifdef __cplusplus }