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105 lines
3.2 KiB
105 lines
3.2 KiB
/* |
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* ZeroTier SDK - Network Virtualization Everywhere |
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* Copyright (C) 2011-2017 ZeroTier, Inc. https://www.zerotier.com/ |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* -- |
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* |
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* You can be released from the requirements of the license by purchasing |
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* a commercial license. Buying such a license is mandatory as soon as you |
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* develop commercial closed-source software that incorporates or links |
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* directly against ZeroTier software without disclosing the source code |
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* of your own application. |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <string> |
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#include <inttypes.h> |
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#if defined(_WIN32) |
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#include <WinSock2.h> |
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#include <stdint.h> |
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#else |
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#include <netinet/in.h> |
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#include <sys/socket.h> |
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#include <netdb.h> |
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#include <arpa/inet.h> |
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#include <unistd.h> |
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#endif |
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#include "libzt.h" |
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int main(int argc, char **argv) |
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{ |
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if (argc != 4) { |
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printf("\nlibzt example server\n"); |
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printf("server [config_file_path] [nwid] [bind_port]\n"); |
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exit(0); |
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} |
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std::string path = argv[1]; |
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std::string nwidstr = argv[2]; |
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int bind_port = atoi(argv[3]); |
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int w=0, r=0, err=0, sockfd, accfd; |
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char rbuf[32]; |
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memset(rbuf, 0, sizeof rbuf); |
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struct sockaddr_in in4, acc_in4; |
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in4.sin_port = htons(bind_port); |
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in4.sin_addr.s_addr = INADDR_ANY; |
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in4.sin_family = AF_INET; |
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// --- BEGIN EXAMPLE CODE |
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DEBUG_TEST("Waiting for libzt to come online...\n"); |
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uint64_t nwid = strtoull(nwidstr.c_str(),NULL,16); |
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printf("nwid=%llx\n", (unsigned long long)nwid); |
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zts_startjoin(path.c_str(), nwid); |
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uint64_t nodeId = zts_get_node_id(); |
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DEBUG_TEST("I am %llx", (unsigned long long)nodeId); |
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if ((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0) { |
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DEBUG_ERROR("error creating ZeroTier socket"); |
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} |
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if ((err = zts_bind(sockfd, (struct sockaddr *)&in4, sizeof(struct sockaddr_in)) < 0)) { |
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DEBUG_ERROR("error binding to interface (%d)", err); |
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} |
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if ((err = zts_listen(sockfd, 100)) < 0) { |
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DEBUG_ERROR("error placing socket in LISTENING state (%d)", err); |
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} |
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socklen_t client_addrlen = sizeof(sockaddr_in); |
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if ((accfd = zts_accept(sockfd, (struct sockaddr *)&acc_in4, &client_addrlen)) < 0) { |
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DEBUG_ERROR("error accepting connection (%d)", err); |
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} |
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socklen_t peer_addrlen = sizeof(struct sockaddr_storage); |
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zts_getpeername(accfd, (struct sockaddr*)&acc_in4, &peer_addrlen); |
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DEBUG_INFO("accepted connection from %s : %d", inet_ntoa(acc_in4.sin_addr), ntohs(acc_in4.sin_port)); |
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DEBUG_TEST("reading from client..."); |
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r = zts_read(accfd, rbuf, sizeof rbuf); |
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DEBUG_TEST("sending to client..."); |
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w = zts_write(accfd, rbuf, strlen(rbuf)); |
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DEBUG_TEST("Received : %s", rbuf); |
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err = zts_close(sockfd); |
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err = zts_close(accfd); |
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return err; |
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} |