79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <string>
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#if defined(__linux__) || defined(__APPLE__)
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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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#endif
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#if defined(__MINGW32__) || defined(__MINGW64__)
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#include <WinSock2.h>
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#include <stdint.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
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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", 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", nodeId);
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sleep(2);
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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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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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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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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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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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sleep(2);
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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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} |