Flattened examples directory

2018-07-19 17:35:42 -07:00
parent 71fe3c867e
commit 60549bc8a3
74 changed files with 785 additions and 831 deletions
--- a/examples/cpp/ipv4simple/ipv4client_udp.cpp
+++ b/examples/cpp/ipv4simple/ipv4client_udp.cpp
@@ -0,0 +1,109 @@
+/*
+ * ZeroTier SDK - Network Virtualization Everywhere
+ * Copyright (C) 2011-2017  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * You can be released from the requirements of the license by purchasing
+ * a commercial license. Buying such a license is mandatory as soon as you
+ * develop commercial closed-source software that incorporates or links
+ * directly against ZeroTier software without disclosing the source code
+ * of your own application.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <string>
+#include <inttypes.h>
+#include <unistd.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
+
+#include "libzt.h"
+
+char *msg = (char*)"welcome to the machine";
+
+int main(int argc, char **argv)
+{
+	if (argc != 5) {
+		printf("\nlibzt example client\n");
+		printf("client [config_file_path] [nwid] [remote_addr] [remote_port]\n");
+		exit(0);
+	}
+	std::string path        = argv[1];
+	std::string nwidstr     = argv[2];
+	std::string remote_addr = argv[3];
+	int remote_port         = atoi(argv[4]);
+	int r=0, w=0, err=0, sockfd;
+	char rbuf[32];
+	memset(rbuf, 0, sizeof rbuf);
+
+	struct sockaddr_in in4;
+	in4.sin_port = htons(remote_port);
+	in4.sin_addr.s_addr = INADDR_ANY;
+	in4.sin_family = AF_INET;
+
+	struct sockaddr_in remote4;
+	remote4.sin_port = htons(remote_port);
+	remote4.sin_addr.s_addr = inet_addr(remote_addr.c_str());
+	remote4.sin_family = AF_INET;
+
+	// --- BEGIN EXAMPLE CODE
+
+	DEBUG_TEST("Waiting for libzt to come online...\n");
+	uint64_t nwid = strtoull(nwidstr.c_str(),NULL,16);
+	printf("nwid=%llx\n", (unsigned long long)nwid);
+	zts_startjoin(path.c_str(), nwid);
+	uint64_t nodeId = zts_get_node_id();
+	DEBUG_TEST("I am %llx", (unsigned long long)nodeId);
+
+	if ((sockfd = zts_socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		DEBUG_ERROR("error creating ZeroTier socket");
+	}
+
+	if ((err = zts_bind(sockfd, (struct sockaddr *)&in4, sizeof(struct sockaddr_in)) < 0)) {
+		DEBUG_ERROR("error binding to interface (%d)", err);
+	}
+	int flags = 0;
+	int len = strlen(msg);
+
+	while(true) {
+		sleep(1);
+		if ((err = zts_sendto(sockfd, msg, len, flags, (const struct sockaddr *)&remote4, sizeof(remote4))) < 0) {
+			DEBUG_ERROR("error sending message to remote host (%d)", err);
+		}
+		DEBUG_TEST("sent=%d", err);
+	}
+	/*
+	DEBUG_TEST("reading from server...");
+	r = zts_read(sockfd, rbuf, strlen(msg));
+
+	DEBUG_TEST("Sent     : %s", msg);
+	DEBUG_TEST("Received : %s", rbuf);
+	*/
+	err = zts_close(sockfd);
+
+	return err;
+}