fad04bf3c7
Remove empty MainActivity.java Android example fix CMake variable BUILD_EXAMPLES -> BUILD_HOST_EXAMPLES fix some names in example usage messages: pingable-node -> callbackapi client -> nonblockingclient server -> nonblockingserver pingable-node -> statistics
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/**
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* libzt C API example
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*
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* Simple socket-based client application
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*/
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#include "ZeroTierSockets.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char** argv)
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{
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if (argc != 5) {
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printf("\nlibzt example client\n");
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printf("nonblockingclient <id_storage_path> <net_id> <remote_addr> <remote_port>\n");
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exit(0);
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}
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char* storage_path = argv[1];
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long long int net_id = strtoull(argv[2], NULL, 16); // At least 64 bits
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char* remote_addr = argv[3];
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int remote_port = atoi(argv[4]);
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int err = ZTS_ERR_OK;
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// Initialize node
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if ((err = zts_init_from_storage(storage_path)) != ZTS_ERR_OK) {
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printf("Unable to start service, error = %d. Exiting.\n", err);
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exit(1);
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}
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// Start node
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if ((err = zts_node_start()) != ZTS_ERR_OK) {
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printf("Unable to start service, error = %d. Exiting.\n", err);
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exit(1);
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}
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printf("Waiting for node to come online\n");
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while (! zts_node_is_online()) {
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zts_util_delay(50);
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}
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printf("Public identity (node ID) is %llx\n", (long long int)zts_node_get_id());
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printf("Joining network %llx\n", net_id);
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if (zts_net_join(net_id) != ZTS_ERR_OK) {
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printf("Unable to join network. Exiting.\n");
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exit(1);
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}
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printf("Don't forget to authorize this device in my.zerotier.com or the web API!\n");
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printf("Waiting for join to complete\n");
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while (! zts_net_transport_is_ready(net_id)) {
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zts_util_delay(50);
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}
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// Sockets
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char* msgStr = (char*)"Welcome to the machine";
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int bytes = 0, fd;
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char recvBuf[128] = { 0 };
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memset(recvBuf, 0, sizeof(recvBuf));
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// Create socket
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if ((fd = zts_socket(ZTS_AF_INET, ZTS_SOCK_STREAM, 0)) < 0) {
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printf("Error (fd=%d, zts_errno=%d). Exiting.\n", fd, zts_errno);
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exit(1);
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}
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// Connect
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// Can also use:
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// zts_bsd_connect(int fd, const struct zts_sockaddr* addr, zts_socklen_t addrlen);
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while (zts_connect(fd, remote_addr, remote_port, 0) != ZTS_ERR_OK) {
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printf("Attempting to connect...\n");
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}
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// Data I/O
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// Wait random intervals to send a message to the server
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// The non-blocking aspect of this example is server-side
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while (1) {
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if ((bytes = zts_send(fd, msgStr, strlen(msgStr), 0)) < 0) {
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printf("Error (fd=%d, ret=%d, zts_errno=%d). Exiting.\n", fd, bytes, zts_errno);
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exit(1);
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}
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printf("zts_send()=%d\n", bytes);
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zts_util_delay((rand() % 100) * 50);
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}
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zts_close(fd);
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return zts_node_stop();
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}
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