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-rw-r--r--examples/cpp/server.cpp121
1 files changed, 46 insertions, 75 deletions
diff --git a/examples/cpp/server.cpp b/examples/cpp/server.cpp
index 41f6db9..ff7c5a7 100644
--- a/examples/cpp/server.cpp
+++ b/examples/cpp/server.cpp
@@ -3,38 +3,20 @@
*/
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <string>
-#include <inttypes.h>
-#if defined(_WIN32)
-#include <WinSock2.h>
-#include <stdint.h>
-#else
-#include <netinet/in.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <unistd.h>
-#endif
-
-void delay_ms(long ms)
-{
-#if defined(_WIN32)
- Sleep(ms);
-#else
- usleep(ms*1000);
-#endif
-}
-
-#include "ZeroTier.h"
+#include "ZeroTierSockets.h"
bool nodeReady = false;
bool networkReady = false;
// Example callbacks
-void myZeroTierEventCallback(struct zts_callback_msg *msg)
+void myZeroTierEventCallback(void *msgPtr)
{
+ struct zts_callback_msg *msg = (struct zts_callback_msg *)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);
@@ -53,8 +35,8 @@ void myZeroTierEventCallback(struct zts_callback_msg *msg)
printf("ZTS_EVENT_NETWORK_NOT_FOUND --- Are you sure %llx is a valid network?\n",
msg->network->nwid);
}
- if (msg->eventCode == ZTS_EVENT_NETWORK_REQUESTING_CONFIG) {
- printf("ZTS_EVENT_NETWORK_REQUESTING_CONFIG --- Requesting config for network %llx, please wait a few seconds...\n", msg->network->nwid);
+ 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",
@@ -76,36 +58,36 @@ void myZeroTierEventCallback(struct zts_callback_msg *msg)
// Address events
if (msg->eventCode == ZTS_EVENT_ADDR_ADDED_IP4) {
- char ipstr[INET_ADDRSTRLEN];
+ char ipstr[ZTS_INET_ADDRSTRLEN];
struct zts_sockaddr_in *in4 = (struct zts_sockaddr_in*)&(msg->addr->addr);
- inet_ntop(ZTS_AF_INET, &(in4->sin_addr), ipstr, INET_ADDRSTRLEN);
+ zts_inet_ntop(ZTS_AF_INET, &(in4->sin_addr), ipstr, ZTS_INET_ADDRSTRLEN);
printf("ZTS_EVENT_ADDR_NEW_IP4 --- This node's virtual address on network %llx is %s\n",
msg->addr->nwid, ipstr);
}
if (msg->eventCode == ZTS_EVENT_ADDR_ADDED_IP6) {
- char ipstr[INET6_ADDRSTRLEN];
+ char ipstr[ZTS_INET6_ADDRSTRLEN];
struct zts_sockaddr_in6 *in6 = (struct zts_sockaddr_in6*)&(msg->addr->addr);
- inet_ntop(AF_INET6, &(in6->sin6_addr), ipstr, INET6_ADDRSTRLEN);
+ zts_inet_ntop(ZTS_AF_INET6, &(in6->sin6_addr), ipstr, ZTS_INET6_ADDRSTRLEN);
printf("ZTS_EVENT_ADDR_NEW_IP6 --- This node's virtual address on network %llx is %s\n",
msg->addr->nwid, ipstr);
}
if (msg->eventCode == ZTS_EVENT_ADDR_REMOVED_IP4) {
- char ipstr[INET_ADDRSTRLEN];
+ char ipstr[ZTS_INET_ADDRSTRLEN];
struct zts_sockaddr_in *in4 = (struct zts_sockaddr_in*)&(msg->addr->addr);
- inet_ntop(ZTS_AF_INET, &(in4->sin_addr), ipstr, INET_ADDRSTRLEN);
+ zts_inet_ntop(ZTS_AF_INET, &(in4->sin_addr), ipstr, ZTS_INET_ADDRSTRLEN);
printf("ZTS_EVENT_ADDR_REMOVED_IP4 --- The virtual address %s for this node on network %llx has been removed.\n",
ipstr, msg->addr->nwid);
}
if (msg->eventCode == ZTS_EVENT_ADDR_REMOVED_IP6) {
- char ipstr[INET6_ADDRSTRLEN];
+ char ipstr[ZTS_INET6_ADDRSTRLEN];
struct zts_sockaddr_in6 *in6 = (struct zts_sockaddr_in6*)&(msg->addr->addr);
- inet_ntop(ZTS_AF_INET6, &(in6->sin6_addr), ipstr, INET6_ADDRSTRLEN);
+ zts_inet_ntop(ZTS_AF_INET6, &(in6->sin6_addr), ipstr, ZTS_INET6_ADDRSTRLEN);
printf("ZTS_EVENT_ADDR_REMOVED_IP6 --- The virtual address %s for this node on network %llx has been removed.\n",
ipstr, msg->addr->nwid);
}
// Peer events
- if (msg->eventCode == ZTS_EVENT_PEER_P2P) {
- printf("ZTS_EVENT_PEER_P2P --- node=%llx\n", msg->peer->address);
+ if (msg->eventCode == ZTS_EVENT_PEER_DIRECT) {
+ printf("ZTS_EVENT_PEER_DIRECT --- node=%llx\n", msg->peer->address);
// A direct path is known for nodeId
}
if (msg->eventCode == ZTS_EVENT_PEER_RELAY) {
@@ -127,8 +109,9 @@ void myZeroTierEventCallback(struct zts_callback_msg *msg)
* your network, otherwise nothing will happen. This can be done manually or via
* our web API: https://my.zerotier.com/help/api
*
- * - An exception to the above rule is if you are using an Ad-hoc network, it has no
- * controller and therefore requires no authorization.
+ * - Exceptions to the above rule are:
+ * 1) Joining a public network (such as "earth")
+ * 2) Joining an Ad-hoc network, (no controller and therefore requires no authorization.)
*
*
* ESTABLISHING A CONNECTION:
@@ -160,28 +143,27 @@ void myZeroTierEventCallback(struct zts_callback_msg *msg)
* Category 1: Control functions (zts_start, zts_join, zts_get_peer_status, etc). Errors
* returned by these functions can be any of the following:
*
- * [ 0] ZTS_ERR_OK - No error.
- * [-1] ZTS_ERR - Error (see zts_errno for more information).
- * [-2] ZTS_ERR_INVALID_ARG - An argument provided is invalid.
- * [-3] ZTS_ERR_SERVICE - ZT is not yet initialized. Try again.
- * [-4] ZTS_ERR_INVALID_OP - Operation is not permitted (Doesn't make sense in this state).
- * [-5] ZTS_ERR_NO_RESULT - Call succeeded but no result was available. Not always an error.
- * [-6] ZTS_ERR_GENERAL - General internal failure. Consider filing a bug report.
+ * 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
*
* 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
* the added possibility of zts_errno being set. Much like standard
* errno this will provide a more specific reason for an error's occurrence.
- * These error values are defined in: libzt/ext/lwip/src/include/lwip/errno.h
- * and closely map to standard Linux error values.
+ * See ZeroTierSockets.h for values.
*
*
* API COMPATIBILITY WITH HOST OS:
*
- * - Since libzt re-implements a socket API probably very similar to your host OS's own
- * API it may be tempting to mix and match host OS structures and functions with those
- * of libzt. This may work on occasion, but you are tempting fate, so here are a few
- * guidelines:
+ * - While the ZeroTier socket interface can coexist with your host OS's own interface in
+ * the same file with no type and naming conflicts, try not to mix and match host
+ * OS/libzt structures, functions, or constants. It may look similar and may even work
+ * some of the time but there enough differences that it will cause headaches. Here
+ * are a few guidelines:
*
* If you are calling a zts_* function, use the appropriate ZTS_* constants:
*
@@ -192,19 +174,8 @@ void myZeroTierEventCallback(struct zts_callback_msg *msg)
*
* struct zts_sockaddr_in in4; <------ Note the zts_* prefix
* ...
- * zts_bind(fd, (struct sockaddr *)&in4, sizeof(struct zts_sockaddr_in)) < 0)
+ * zts_bind(fd, (struct zts_sockaddr *)&in4, sizeof(struct zts_sockaddr_in)) < 0)
*
- * If you are calling a host OS function, use your host OS's constants (and structures!):
- *
- * inet_ntop(AF_INET6, &(in6->sin6_addr), ...); (CORRECT)
- * inet_ntop(ZTS_AF_INET6, &(in6->sin6_addr), ...); (INCORRECT)
- *
- * If you are calling a host OS function but passing a zts_* structure, this can
- * work sometimes but you should take care to pass the correct host OS constants:
- *
- * struct zts_sockaddr_in6 in6;
- * ...
- * inet_ntop(AF_INET6, &(in6->sin6_addr), dstStr, INET6_ADDRSTRLEN);
*/
int main(int argc, char **argv)
@@ -219,11 +190,11 @@ int main(int argc, char **argv)
int ztServicePort = atoi(argv[4]); // Port ZT uses to send encrypted UDP packets to peers (try something like 9994)
struct zts_sockaddr_in in4, acc_in4;
- in4.sin_port = htons(serverBindPort);
+ in4.sin_port = zts_htons(serverBindPort);
#if defined(_WIN32)
- in4.sin_addr.S_addr = INADDR_ANY;
+ in4.sin_addr.S_addr = ZTS_INADDR_ANY;
#else
- in4.sin_addr.s_addr = INADDR_ANY;
+ in4.sin_addr.s_addr = ZTS_INADDR_ANY;
#endif
in4.sin_family = ZTS_AF_INET;
@@ -237,7 +208,7 @@ int main(int argc, char **argv)
exit(1);
}
printf("Waiting for node to come online...\n");
- while (!nodeReady) { delay_ms(50); }
+ while (!nodeReady) { zts_delay_ms(50); }
printf("This node's identity is stored in %s\n", argv[1]);
if((err = zts_join(nwid)) != ZTS_ERR_OK) {
@@ -246,7 +217,7 @@ int main(int argc, char **argv)
}
printf("Joining network %llx\n", nwid);
printf("Don't forget to authorize this device in my.zerotier.com or the web API!\n");
- while (!networkReady) { delay_ms(50); }
+ while (!networkReady) { zts_delay_ms(50); }
// Socket-like API example
@@ -256,7 +227,7 @@ int main(int argc, char **argv)
exit(1);
}
printf("Binding...\n");
- if ((err = zts_bind(fd, (struct sockaddr *)&in4, sizeof(struct zts_sockaddr_in)) < 0)) {
+ if ((err = zts_bind(fd, (struct zts_sockaddr *)&in4, sizeof(struct zts_sockaddr_in)) < 0)) {
printf("Error binding to interface (fd=%d, ret=%d, zts_errno=%d). Exiting.\n", fd, err, zts_errno);
exit(1);
}
@@ -272,17 +243,17 @@ int main(int argc, char **argv)
memset(recvBuf, 0, sizeof(recvBuf));
while (true) {
- socklen_t client_addrlen = sizeof(zts_sockaddr_in);
- if ((accfd = zts_accept(fd, (struct sockaddr *)&acc_in4, &client_addrlen)) < 0) {
+ zts_socklen_t client_addrlen = sizeof(zts_sockaddr_in);
+ if ((accfd = zts_accept(fd, (struct zts_sockaddr *)&acc_in4, &client_addrlen)) < 0) {
printf("Error accepting connection (fd=%d, ret=%d, zts_errno=%d). Exiting.\n", fd, err, zts_errno);
}
- socklen_t peer_addrlen = sizeof(struct zts_sockaddr_storage);
- zts_getpeername(accfd, (struct sockaddr*)&acc_in4, &peer_addrlen);
+ zts_socklen_t peer_addrlen = sizeof(struct zts_sockaddr_storage);
+ zts_getpeername(accfd, (struct zts_sockaddr*)&acc_in4, &peer_addrlen);
- char ipstr[INET_ADDRSTRLEN];
+ char ipstr[ZTS_INET_ADDRSTRLEN];
memset(ipstr, 0, sizeof(ipstr));
- inet_ntop(AF_INET, &(acc_in4.sin_addr), ipstr, INET_ADDRSTRLEN);
- printf("Accepted connection from %s:%d\n", ipstr, ntohs(acc_in4.sin_port));
+ zts_inet_ntop(ZTS_AF_INET, &(acc_in4.sin_addr), ipstr, ZTS_INET_ADDRSTRLEN);
+ printf("Accepted connection from %s:%d\n", ipstr, zts_ntohs(acc_in4.sin_port));
printf("Reading message string from client...\n");
if((bytes = zts_read(accfd, recvBuf, sizeof(recvBuf))) < 0) {
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-30 15:02:09 +0000