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-rw-r--r--testing/Lossless_UDP_testserver.c237
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diff --git a/testing/Lossless_UDP_testserver.c b/testing/Lossless_UDP_testserver.c
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1/* Lossless_UDP testserver
2 * A program that waits for a lossless UDP connection and then saves all the data received to a file.
3 * NOTE: this program simulates a 33% packet loss.
4 *
5 * Best used in combination with Lossless_UDP_testclient
6 *
7 * Compile with: gcc -O2 -Wall -lsodium -o testserver ../toxcore/network.c ../toxcore/Lossless_UDP.c ../toxcore/util.c Lossless_UDP_testserver.c
8 *
9 * Command line argument is the name of the file to save what we receive to.
10 * EX: ./testserver filename1.txt
11 *
12 * Copyright (C) 2013 Tox project All Rights Reserved.
13 *
14 * This file is part of Tox.
15 *
16 * Tox is free software: you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation, either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * Tox is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
28 *
29 */
30
31#ifdef HAVE_CONFIG_H
32#include "config.h"
33#endif
34
35#include "../toxcore/network.h"
36#include "../toxcore/Lossless_UDP.h"
37#include "../toxcore/util.h"
38#include "misc_tools.c"
39
40//Sleep function (x = milliseconds)
41#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
42
43#define c_sleep(x) Sleep(1*x)
44
45#else
46#include <unistd.h>
47#include <arpa/inet.h>
48#define c_sleep(x) usleep(1000*x)
49
50#endif
51
52#define PORT 33445
53
54void printpacket(uint8_t *data, uint32_t length, IP_Port ip_port)
55{
56 uint32_t i;
57 printf("UNHANDLED PACKET RECEIVED\nLENGTH:%u\nCONTENTS:\n", length);
58 printf("--------------------BEGIN-----------------------------\n");
59
60 for (i = 0; i < length; i++) {
61 if (data[i] < 16)
62 printf("0");
63
64 printf("%hhX", data[i]);
65 }
66
67 printf("\n--------------------END-----------------------------\n\n\n");
68}
69
70/*
71void printpackets(Data test)
72{
73 int i;
74 if(test.size == 0)
75 return;
76 printf("SIZE: %u\n", test.size);
77 for(i =0; i < test.size; i++)
78 {
79 printf("%hhX", test.data[i]);
80 }
81 printf("\n");
82}
83
84void printconnection(int connection_id)
85{
86 printf("--------------------BEGIN---------------------\n");
87 IP_Port ip_port = connections[connection_id].ip_port;
88 printf("IP: %u.%u.%u.%u Port: %u\n",ip_port.ip.c[0],ip_port.ip.c[1],ip_port.ip.c[2],ip_port.ip.c[3],ntohs(ip_port.port));
89 printf("status: %u, inbound: %u, SYNC_rate: %u\n", connections[connection_id].status,
90 connections[connection_id].inbound, connections[connection_id].SYNC_rate);
91 printf("data rate: %u, last sync: %llu, last sent: %llu, last recv: %llu \n", connections[connection_id].data_rate,
92 connections[connection_id].last_SYNC, connections[connection_id].last_sent, connections[connection_id].last_recv);
93 int i;
94 for(i =0; i < MAX_QUEUE_NUM; i++)
95 {
96 printf(" %u ",i);
97 printpackets(connections[connection_id].sendbuffer[i]);
98 }
99 for(i =0; i < MAX_QUEUE_NUM; i++)
100 {
101 printf(" %u ",i);
102 printpackets(connections[connection_id].recvbuffer[i]);
103 }
104 Data sendbuffer[MAX_QUEUE_NUM];
105 Data recvbuffer[MAX_QUEUE_NUM];
106 printf("recv_num: %u, orecv_num: %u, sent_packetnum %u, osent_packetnum: %u, successful_sent: %u, successful_read: %u\n",
107 connections[connection_id].recv_packetnum,
108 connections[connection_id].orecv_packetnum, connections[connection_id].sent_packetnum, connections[connection_id].osent_packetnum,
109 connections[connection_id].successful_sent,
110 connections[connection_id].successful_read);
111
112 printf("req packets: \n");
113 for(i = 0; i < BUFFER_PACKET_NUM; i++)
114 {
115 printf(" %u ", connections[connection_id].req_packets[i]);
116 }
117 printf("\nNumber: %u recv_counter: %u, send_counter: %u\n", connections[connection_id].num_req_paquets,
118 connections[connection_id].recv_counter, connections[connection_id].send_counter);
119
120 printf("--------------------END---------------------\n");
121
122}
123*/
124
125/* receive packets and send them to the packethandler
126 * run doLossless_UDP(); */
127//void Lossless_UDP()
128//{
129// IP_Port ip_port;
130// uint8_t data[MAX_UDP_PACKET_SIZE];
131// uint32_t length;
132// while (receivepacket(&ip_port, data, &length) != -1) {
133//if(rand() % 3 != 1)//add packet loss
134//{
135// if (LosslessUDP_handlepacket(data, length, ip_port)) {
136// printpacket(data, length, ip_port);
137// } else {
138//printconnection(0);
139// printf("Received handled packet with length: %u\n", length);
140// }
141//}
142// }
143
144// networking_poll();
145
146//doLossless_UDP();
147//}
148
149
150int main(int argc, char *argv[])
151{
152 /* let user override default by cmdline */
153 uint8_t ipv6enabled = TOX_ENABLE_IPV6_DEFAULT; /* x */
154 int argvoffset = cmdline_parsefor_ipv46(argc, argv, &ipv6enabled);
155
156 if (argvoffset < 0)
157 exit(1);
158
159 if (argc < argvoffset + 2) {
160 printf("Usage: %s [--ipv4|--ipv6] filename\n", argv[0]);
161 exit(0);
162 }
163
164 uint8_t buffer[MAX_DATA_SIZE];
165 int read;
166
167 FILE *file = fopen(argv[argvoffset + 1], "wb");
168
169 if (file == NULL) {
170 printf("Failed to open file \"%s\".\n", argv[argvoffset + 1]);
171 return 1;
172 }
173
174
175 //initialize networking
176 //bind to ip 0.0.0.0:PORT
177 IP ip;
178 ip_init(&ip, ipv6enabled);
179
180 Lossless_UDP *ludp = new_lossless_udp(new_networking(ip, PORT));
181 perror("Initialization");
182
183 int connection;
184 uint64_t timer = current_time();
185
186 while (1) {
187 networking_poll(ludp->net);
188 do_lossless_udp(ludp);
189 connection = incoming_connection(ludp, 0);
190
191 if (connection != -1) {
192 if (is_connected(ludp, connection) == LUDP_NOT_CONFIRMED) {
193 printf("Received the connection.\n");
194
195 }
196
197 break;
198 }
199
200 c_sleep(1);
201 }
202
203 timer = current_time();
204
205 while (1) {
206 //printconnection(0);
207 networking_poll(ludp->net);
208
209 if (is_connected(ludp, connection) >= LUDP_NOT_CONFIRMED) {
210 confirm_connection(ludp, connection);
211
212 while (1) {
213 read = read_packet(ludp, connection, buffer);
214
215 if (read != 0) {
216 // printf("Received data.\n");
217 if (!fwrite(buffer, read, 1, file))
218 printf("file write error\n");
219 } else {
220 break;
221 }
222 }
223 }
224
225 do_lossless_udp(ludp);
226
227 if (is_connected(ludp, connection) == LUDP_TIMED_OUT) {
228 printf("Server Connecting Lost after: %llu us\n", (unsigned long long)(current_time() - timer));
229 fclose(file);
230 return 1;
231 }
232
233 c_sleep(25);
234 }
235
236 return 0;
237}