X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=examples%2Fmeshlinkapp.c;h=54e82a39ed4099fcc0d5d2bb752970091f333779;hb=fe5563f92021618b4a8b41e412c73d8364fcaf6e;hp=6c56165c2dbdd8d6554c3f4aed0108ce4df2fc0c;hpb=f416117836dc944822cac06efb54377fb21ee66f;p=meshlink diff --git a/examples/meshlinkapp.c b/examples/meshlinkapp.c index 6c56165c..54e82a39 100644 --- a/examples/meshlinkapp.c +++ b/examples/meshlinkapp.c @@ -3,28 +3,39 @@ #include "../src/meshlink.h" void handle_recv_data(meshlink_handle_t *mesh, meshlink_node_t *source, void *data, size_t len) { - printf("Received %zu bytes from %s: %s\n", len, source->name, (char*)data); + (void)mesh; + + printf("Received %zu bytes from %s: %s\n", len, source->name, (char *)data); } -int main(int argc , char **argv){ +int main(int argc, char **argv) { char *confbase = argc > 1 ? argv[1] : "/tmp/meshlink/"; char *name = argc > 2 ? argv[2] : "foo"; char *remotename = argc > 3 ? argv[3] : "bar"; - meshlink_handle_t* myhandle; + meshlink_handle_t *myhandle; + + myhandle = meshlink_open(confbase, name, "meshlinkapp", DEV_CLASS_STATIONARY); - myhandle = meshlink_open(confbase, name, "meshlinkapp", STATIONARY); + if(!myhandle) { + fprintf(stderr, "Could not open MeshLink: %s", meshlink_strerror(meshlink_errno)); + return 1; + } //Register callback function for incoming data meshlink_set_receive_cb(myhandle, (meshlink_receive_cb_t)handle_recv_data); - meshlink_start(myhandle); + if(!meshlink_start(myhandle)) { + fprintf(stderr, "Could not start MeshLink: %s", meshlink_strerror(meshlink_errno)); + return 1; + } while(1) { sleep(10); meshlink_node_t *remotenode = meshlink_get_node(myhandle, remotename); + if(!remotenode) { fprintf(stderr, "Node %s not known yet.\n", remotename); continue; @@ -32,11 +43,14 @@ int main(int argc , char **argv){ //sample data to send out char mydata[200]; - memset(mydata,0,200); - strcpy(mydata,"Hello World!"); + memset(mydata, 0, 200); + strcpy(mydata, "Hello World!"); //send out data - meshlink_send(myhandle,remotenode,mydata,sizeof(mydata)); + if(!meshlink_send(myhandle, remotenode, mydata, sizeof(mydata))) { + fprintf(stderr, "Error sending data: %s", meshlink_strerror(meshlink_errno)); + return 1; + } } meshlink_stop(myhandle);