From: Guus Sliepen <guus@meshlink.io>
Date: Wed, 28 Oct 2015 21:57:49 +0000 (+0100)
Subject: Add meshlink_get_self().
X-Git-Url: http://git.meshlink.io/?p=meshlink;a=commitdiff_plain;h=e80127addf7a0a0a67e54bac9b19d0922b50e67e

Add meshlink_get_self().

This returns a handle for the local node. This can also be used to determine
our own name using meshlink_get_self(mesh)->name.
---

diff --git a/src/meshlink++.h b/src/meshlink++.h
index 8e0745e4..34654901 100644
--- a/src/meshlink++.h
+++ b/src/meshlink++.h
@@ -274,6 +274,15 @@ namespace meshlink {
 			return (node *)meshlink_get_node(handle, name);
 		}
 
+		/// Get a handle for our own node.
+		/** This function returns a handle for the local node.
+		 *
+		 *  @return             A pointer to a meshlink::node which represents the local node.
+		 */
+		node *get_self() {
+			return (node *)meshlink_get_self(handle);
+		}
+
 		/// Get a list of all nodes.
 		/** This function returns a list with handles for all known nodes.
 		 *
diff --git a/src/meshlink.c b/src/meshlink.c
index e9250e25..1d682c40 100644
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -1233,6 +1233,15 @@ char *meshlink_get_fingerprint(meshlink_handle_t *mesh, meshlink_node_t *node) {
 	return fingerprint;
 }
 
+meshlink_node_t *meshlink_get_self(meshlink_handle_t *mesh) {
+	if(!mesh) {
+		meshlink_errno = MESHLINK_EINVAL;
+		return NULL;
+	}
+
+	return (meshlink_node_t *)mesh->self;
+}
+
 meshlink_node_t *meshlink_get_node(meshlink_handle_t *mesh, const char *name) {
 	if(!mesh || !name) {
 		meshlink_errno = MESHLINK_EINVAL;
diff --git a/src/meshlink.h b/src/meshlink.h
index cca5db1a..651f05c8 100644
--- a/src/meshlink.h
+++ b/src/meshlink.h
@@ -329,6 +329,16 @@ extern bool meshlink_send(meshlink_handle_t *mesh, meshlink_node_t *destination,
  */
 extern ssize_t meshlink_get_pmtu(meshlink_handle_t *mesh, meshlink_node_t *destination);
 
+/// Get a handle for our own node.
+/** This function returns a handle for the local node.
+ *
+ *  @param mesh         A handle which represents an instance of MeshLink.
+ *
+ *  @return             A pointer to a meshlink_node_t which represents the local node.
+ *                      The pointer is guaranteed to be valid until meshlink_close() is called.
+ */
+extern meshlink_node_t *meshlink_get_self(meshlink_handle_t *mesh);
+
 /// Get a handle for a specific node.
 /** This function returns a handle for the node with the given name.
  *
diff --git a/test/basic.c b/test/basic.c
index 93b7f5e9..d3ac1373 100644
--- a/test/basic.c
+++ b/test/basic.c
@@ -16,7 +16,7 @@ int main(int argc, char *argv[]) {
 
 	// Check that our own node exists.
 
-	meshlink_node_t *self = meshlink_get_node(mesh, "foo");
+	meshlink_node_t *self = meshlink_get_self(mesh);
 	if(!self) {
 		fprintf(stderr, "Foo does not know about itself\n");
 		return 1;
@@ -59,7 +59,7 @@ int main(int argc, char *argv[]) {
 		return 1;
 	}
 
-	self = meshlink_get_node(mesh, "foo");
+	self = meshlink_get_self(mesh);
 	if(!self) {
 		fprintf(stderr, "Foo doesn't know about itself the second time\n");
 		return 1;
diff --git a/test/basicpp.cpp b/test/basicpp.cpp
index c52e2ddb..02d4cb61 100644
--- a/test/basicpp.cpp
+++ b/test/basicpp.cpp
@@ -15,7 +15,7 @@ int main(int argc, char *argv[]) {
 
 	// Check that our own node exists.
 
-	meshlink::node *self = mesh.get_node("foo");
+	meshlink::node *self = mesh.get_self();
 	if(!self) {
 		cerr << "Foo does not know about itself\n";
 		return 1;
@@ -54,7 +54,7 @@ int main(int argc, char *argv[]) {
 		return 1;
 	}
 
-	self = mesh.get_node("foo");
+	self = mesh.get_self();
 	if(!self) {
 		cerr << "Foo doesn't know about itself the second time\n";
 		return 1;