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Update C++, Objective-C and Swift examples

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This commit is contained in:
Joseph Henry
2020-05-28 18:32:39 -07:00
parent be9af71238
commit f0d6330735
8 changed files with 698 additions and 394 deletions
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83
examples/cpp/adhoc.cpp
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@@ -12,7 +12,7 @@
* the location given in the first argument to zts_start(path, ...). If you accidentally
* duplicate the identity files and use them simultaneously in a different node instance
* you will experience undefined behavior and it is likely nothing will work.
*
*
* - You must authorize the node ID provided by the ZTS_EVENT_NODE_ONLINE callback to join
* your network, otherwise nothing will happen. This can be done manually or via
* our web API: https://my.zerotier.com/help/api
@@ -51,12 +51,12 @@
* Category 1: Control functions (zts_start, zts_join, zts_get_peer_status, etc). Errors
* returned by these functions can be any of the following:
*
* ZTS_ERR_OK 0 // No error
* ZTS_ERR_SOCKET -1 // Socket error, see zts_errno
* ZTS_ERR_SERVICE -2 // You probably did something at the wrong time
* ZTS_ERR_ARG -3 // Invalid argument
* ZTS_ERR_NO_RESULT -4 // No result (not necessarily an error)
* ZTS_ERR_GENERAL -5 // Consider filing a bug report
* ZTS_ERR_OK // No error
* ZTS_ERR_SOCKET // Socket error, see zts_errno
* ZTS_ERR_SERVICE // You probably did something at the wrong time
* ZTS_ERR_ARG // Invalid argument
* ZTS_ERR_NO_RESULT // No result (not necessarily an error)
* ZTS_ERR_GENERAL // Consider filing a bug report
*
* Category 2: Sockets (zts_socket, zts_bind, zts_connect, zts_listen, etc).
* Errors returned by these functions can be the same as the above. With
@@ -74,7 +74,7 @@
* are a few guidelines:
*
* If you are calling a zts_* function, use the appropriate ZTS_* constants:
*
*
* zts_socket(ZTS_AF_INET6, ZTS_SOCK_DGRAM, 0); (CORRECT)
* zts_socket(AF_INET6, SOCK_DGRAM, 0); (INCORRECT)
*
@@ -91,10 +91,19 @@
#include "ZeroTierSockets.h"
bool nodeReady = false;
bool networkReady = false;
struct Node
{
Node() : online(false), joinedAtLeastOneNetwork(false), id(0) {}
bool online;
bool joinedAtLeastOneNetwork;
uint64_t id;
// etc
} myNode;
// Example callbacks
/* Callback handler, you should return control from this function as quickly as you can
to ensure timely receipt of future events. You should not call libzt API functions from
this function unless it's something trivial like zts_inet_ntop() or similar that has
no state-change implications. */
void myZeroTierEventCallback(void *msgPtr)
{
struct zts_callback_msg *msg = (struct zts_callback_msg *)msgPtr;
@@ -102,11 +111,12 @@ void myZeroTierEventCallback(void *msgPtr)
// Node events
if (msg->eventCode == ZTS_EVENT_NODE_ONLINE) {
printf("ZTS_EVENT_NODE_ONLINE --- This node's ID is %llx\n", msg->node->address);
nodeReady = true;
myNode.id = msg->node->address;
myNode.online = true;
}
if (msg->eventCode == ZTS_EVENT_NODE_OFFLINE) {
printf("ZTS_EVENT_NODE_OFFLINE --- Check your physical Internet connection, router, firewall, etc. What ports are you blocking?\n");
nodeReady = false;
myNode.online = false;
}
// Virtual network events
@@ -116,7 +126,7 @@ void myZeroTierEventCallback(void *msgPtr)
}
if (msg->eventCode == ZTS_EVENT_NETWORK_REQ_CONFIG) {
printf("ZTS_EVENT_NETWORK_REQ_CONFIG --- Requesting config for network %llx, please wait a few seconds...\n", msg->network->nwid);
}
}
if (msg->eventCode == ZTS_EVENT_NETWORK_ACCESS_DENIED) {
printf("ZTS_EVENT_NETWORK_ACCESS_DENIED --- Access to virtual network %llx has been denied. Did you authorize the node yet?\n",
msg->network->nwid);
@@ -124,7 +134,7 @@ void myZeroTierEventCallback(void *msgPtr)
if (msg->eventCode == ZTS_EVENT_NETWORK_READY_IP6) {
printf("ZTS_EVENT_NETWORK_READY_IP6 --- Network config received. IPv6 traffic can now be sent over network %llx\n",
msg->network->nwid);
networkReady = true;
myNode.joinedAtLeastOneNetwork = true;
}
if (msg->eventCode == ZTS_EVENT_NETWORK_DOWN) {
printf("ZTS_EVENT_NETWORK_DOWN --- %llx\n", msg->network->nwid);
@@ -132,17 +142,15 @@ void myZeroTierEventCallback(void *msgPtr)
// Network stack events
if (msg->eventCode == ZTS_EVENT_NETIF_UP) {
printf("ZTS_EVENT_NETIF_UP --- network=%llx, mac=%llx, mtu=%d\n",
printf("ZTS_EVENT_NETIF_UP --- network=%llx, mac=%llx, mtu=%d\n",
msg->netif->nwid,
msg->netif->mac,
msg->netif->mtu);
networkReady = true;
}
if (msg->eventCode == ZTS_EVENT_NETIF_DOWN) {
printf("ZTS_EVENT_NETIF_DOWN --- network=%llx, mac=%llx\n",
printf("ZTS_EVENT_NETIF_DOWN --- network=%llx, mac=%llx\n",
msg->netif->nwid,
msg->netif->mac);
networkReady = true;
}
// Address events
@@ -150,19 +158,32 @@ void myZeroTierEventCallback(void *msgPtr)
char ipstr[ZTS_INET6_ADDRSTRLEN];
struct zts_sockaddr_in6 *in6 = (struct zts_sockaddr_in6*)&(msg->addr->addr);
zts_inet_ntop(ZTS_AF_INET6, &(in6->sin6_addr), ipstr, ZTS_INET6_ADDRSTRLEN);
printf("ZTS_EVENT_ADDR_NEW_IP6 --- Join %llx and ping me at %s\n",
printf("ZTS_EVENT_ADDR_NEW_IP6 --- Join %llx and ping me at %s\n",
msg->addr->nwid, ipstr);
}
// Peer events
// Don't worry if you don't recognize a peer ID, it's most likely our infrastructure
if (msg->eventCode == ZTS_EVENT_PEER_DIRECT) {
printf("ZTS_EVENT_PEER_DIRECT --- There is now a direct path to peer %llx\n",
msg->peer->address);
}
if (msg->eventCode == ZTS_EVENT_PEER_RELAY) {
printf("ZTS_EVENT_PEER_RELAY --- No direct path to peer %llx\n",
msg->peer->address);
if (msg->peer) {
if (msg->peer->role == ZTS_PEER_ROLE_PLANET) {
/* Safe to ignore, these are our roots. They orchestrate the P2P connection.
You might also see other unknown peers, these are our network controllers. */
return;
}
if (msg->eventCode == ZTS_EVENT_PEER_DIRECT) {
printf("ZTS_EVENT_PEER_DIRECT --- A direct path is known for node=%llx\n",
msg->peer->address);
}
if (msg->eventCode == ZTS_EVENT_PEER_RELAY) {
printf("ZTS_EVENT_PEER_RELAY --- No direct path to node=%llx\n", msg->peer->address);
}
if (msg->eventCode == ZTS_EVENT_PEER_PATH_DISCOVERED) {
printf("ZTS_EVENT_PEER_PATH_DISCOVERED --- A new direct path was discovered for node=%llx\n",
msg->peer->address);
}
if (msg->eventCode == ZTS_EVENT_PEER_PATH_DEAD) {
printf("ZTS_EVENT_PEER_PATH_DEAD --- A direct path has died for node=%llx\n",
msg->peer->address);
}
}
}
@@ -191,7 +212,7 @@ be taken to avoid exposing vulnerable services or sharing unwanted files or othe
*/
int main(int argc, char **argv)
int main(int argc, char **argv)
{
if (argc != 5) {
printf("\nlibzt example\n");
@@ -212,7 +233,7 @@ int main(int argc, char **argv)
exit(1);
}
printf("Waiting for node to come online...\n");
while (!nodeReady) { zts_delay_ms(50); }
while (!myNode.online) { zts_delay_ms(50); }
printf("This node's identity is stored in %s\n", argv[1]);
if((err = zts_join(adhoc_nwid)) != ZTS_ERR_OK) {
@@ -220,7 +241,7 @@ int main(int argc, char **argv)
exit(1);
}
printf("Joining network %llx\n", adhoc_nwid);
while (!networkReady) { zts_delay_ms(50); }
while (!myNode.joinedAtLeastOneNetwork) { zts_delay_ms(50); }
// Idle and just show callback events, stack statistics, etc