X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeshlink.h;h=96fb8d6e7492da240e1505c06ce94dbd294f43b9;hb=43ed5b9a5d739c50317d5d24898de07526a9297f;hp=cca509c5feea04bca3f3c6eb19b8edfff3efdfcb;hpb=85c11b44f7e62f8c89447f221c6c7258f16b0338;p=meshlink diff --git a/src/meshlink.h b/src/meshlink.h index cca509c5..96fb8d6e 100644 --- a/src/meshlink.h +++ b/src/meshlink.h @@ -25,6 +25,13 @@ #include #include +#if defined(_WIN32) +#include +#else +#include +#include +#endif + #ifdef __cplusplus extern "C" { #endif @@ -32,6 +39,9 @@ extern "C" { /// The length in bytes of a signature made with meshlink_sign() #define MESHLINK_SIGLEN (64) +// The maximum length of fingerprints +#define MESHLINK_FINGERPRINTLEN (64) + /// A handle for an instance of MeshLink. typedef struct meshlink_handle meshlink_handle_t; @@ -44,8 +54,15 @@ typedef struct meshlink_channel meshlink_channel_t; /// Code of most recent error encountered. typedef enum { MESHLINK_OK, ///< Everything is fine + MESHLINK_EINVAL, ///< Invalid parameter(s) to function call MESHLINK_ENOMEM, ///< Out of memory MESHLINK_ENOENT, ///< Node is not known + MESHLINK_EEXIST, ///< Node already exists + MESHLINK_EINTERNAL, ///< MeshLink internal error + MESHLINK_ERESOLV, ///< MeshLink could not resolve a hostname + MESHLINK_ESTORAGE, ///< MeshLink coud not load or write data from/to disk + MESHLINK_ENETWORK, ///< MeshLink encountered a network error + MESHLINK_EPEER, ///< A peer caused an error } meshlink_errno_t; /// A variable holding the last encountered error from MeshLink. @@ -59,6 +76,8 @@ extern __thread meshlink_errno_t meshlink_errno; #ifndef MESHLINK_INTERNAL_H struct meshlink_handle { + const char *name; + void *priv; }; struct meshlink_node { @@ -102,11 +121,16 @@ extern const char *meshlink_strerror(meshlink_errno_t err); * After the function returns, the application is free to overwrite or free @a confbase @a. * @param name The name which this instance of the application will use in the mesh. * 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. * * @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); +extern meshlink_handle_t *meshlink_open(const char *confbase, const char *name, const char* appname); + +/// 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); /// Start MeshLink. /** This function causes MeshLink to open network sockets, make outgoing connections, and @@ -268,6 +292,18 @@ extern ssize_t meshlink_get_pmtu(meshlink_handle_t *mesh, meshlink_node_t *desti */ extern meshlink_node_t *meshlink_get_node(meshlink_handle_t *mesh, const char *name); +/// Get the fingerprint of a node's public key. +/** This function returns a fingerprint of the node's public key. + * It should be treated as an opaque blob. + * + * @param mesh A handle which represents an instance of MeshLink. + * @param node A pointer to a meshlink_node_t describing the node. + * + * @return A nul-terminated C string containing the fingerprint of the node's public key in a printable ASCII format. + * The application should call free() after it is done using this string. + */ +extern char *meshlink_get_fingerprint(meshlink_handle_t *mesh, meshlink_node_t *node); + /// Get a list of all nodes. /** This function returns a list with handles for all known nodes. * @@ -541,6 +577,20 @@ extern void meshlink_channel_close(meshlink_handle_t *mesh, meshlink_channel_t * */ extern ssize_t meshlink_channel_send(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len); +/// Hint that a hostname may be found at an address +/** This function indicates to meshlink that the given hostname is likely found + * at the given IP address and port. + * + * @param mesh A handle which represents an instance of MeshLink. + * @param hostname The hostname which can be found at the given address. + * The caller is free to overwrite or free this string + * once meshlink returns. + * @param addr The IP address and port which should be tried for the + * 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); + #ifdef __cplusplus } #endif