added client/server test file

test/client.cpp

@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <string>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#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 nwid        = 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 = inet_addr(remote_addr.c_str());
+	in4.sin_family = AF_INET;
+
+
+	// --- BEGIN
+
+	DEBUG_TEST("Waiting for libzt to come online...\n");
+	zts_simple_start(path.c_str(), nwid.c_str());
+	char device_id[11];
+	zts_get_device_id(device_id);
+	DEBUG_TEST("I am %s", device_id);
+	sleep(2);
+
+	// socket()
+	if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0)
+		DEBUG_ERROR("error creating ZeroTier socket");
+
+	// connect()
+	if((err = zts_connect(sockfd, (const struct sockaddr *)&in4, sizeof(in4))) < 0)
+		DEBUG_ERROR("error connecting to remote host (%d)", err);
+
+	// tx
+	w = zts_write(sockfd, msg, strlen(msg));
+	
+	// rx
+	r = zts_read(sockfd, rbuf, strlen(msg));
+
+	DEBUG_TEST("Sent     : %s", msg);
+	DEBUG_TEST("Received : %s", rbuf);
+
+	sleep(2);
+	err = zts_close(sockfd);
+
+	return err;
+}

test/server.cpp

@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <string>
+
+#include "libzt.h"
+
+int main(int argc, char **argv)
+{
+	if(argc != 4) {
+		printf("\nlibzt example server\n");
+		printf("server [config_file_path] [nwid] [bind_port]\n");
+		exit(0);
+	}
+	std::string path      = argv[1];
+	std::string nwid      = argv[2];
+	int bind_port         = atoi(argv[3]);
+	int w=0, r=0, err=0, sockfd, accfd;
+	char rbuf[32];
+	memset(rbuf, 0, sizeof rbuf);
+
+	struct sockaddr_in in4, acc_in4;
+	in4.sin_port = htons(bind_port);
+	in4.sin_addr.s_addr = INADDR_ANY;
+	in4.sin_family = AF_INET;
+
+	// --- BEGIN
+
+
+	DEBUG_TEST("Waiting for libzt to come online...\n");
+	zts_simple_start(path.c_str(), nwid.c_str());
+	char device_id[11];
+	zts_get_device_id(device_id);
+	DEBUG_TEST("I am %s", device_id);
+	sleep(2);
+
+	// socket()
+	if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0)
+		DEBUG_ERROR("error creating ZeroTier socket");
+	
+	// bind()
+	if((err = zts_bind(sockfd, (struct sockaddr *)&in4, sizeof(struct sockaddr_in)) < 0))
+		DEBUG_ERROR("error binding to interface (%d)", err);
+	
+	// listen()
+	if((err = zts_listen(sockfd, 100)) < 0)
+		DEBUG_ERROR("error placing socket in LISTENING state (%d)", err);
+	
+	// accept()
+	if((accfd = zts_accept(sockfd, (struct sockaddr *)&acc_in4, (socklen_t *)sizeof(struct sockaddr_in))) < 0)
+		DEBUG_ERROR("error accepting connection (%d)", err);
+
+	// getpeername()
+	//socklen_t peer_addrlen;
+	//zts_getpeername(accfd, (struct sockaddr*)&acc_, &peer_addrlen);
+	//DEBUG_INFO("getpeername() => %s : %d", inet_ntoa(acc_in4.sin_addr), ntohs(acc_in4.sin_port));
+
+	// rx
+	r = zts_read(accfd, rbuf, sizeof rbuf);
+
+	// tx
+	w = zts_write(accfd, rbuf, strlen(rbuf));
+
+	DEBUG_TEST("Received : %s", rbuf);
+
+	sleep(2);
+	err = zts_close(sockfd);
+	err = zts_close(accfd);
+
+	return err;
+}