1 | /* |
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2 | * clientUdp.c : generate an executable to test the UDP Sockets. |
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3 | * the RTEMS target must be configured as server. |
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4 | * Don't forget to change the IP address. |
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5 | * |
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6 | * $Id$ |
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7 | */ |
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8 | |
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9 | |
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10 | #include <stdio.h> |
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11 | #include <string.h> |
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12 | #include <errno.h> |
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13 | #include <sys/time.h> |
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14 | |
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15 | #include <sys/param.h> |
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16 | #include <sys/socket.h> |
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17 | #include <sys/file.h> |
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18 | |
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19 | #include <netinet/in_systm.h> |
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20 | #include <netinet/in.h> |
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21 | #include <netinet/ip.h> |
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22 | #include <arpa/inet.h> |
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23 | |
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24 | #include "../buffer.h" |
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25 | |
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26 | #define DEFAULT_IP "194.2.81.61" |
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27 | #define DEFAULT_LISTEN_IP "194.2.81.126" |
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28 | |
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29 | |
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30 | int main(int argc, char** argv) |
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31 | { |
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32 | int sd; |
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33 | struct sockaddr_in server; |
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34 | int i; |
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35 | char *tabChar; |
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36 | char *server_name= "localhost"; |
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37 | unsigned short port; |
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38 | unsigned long lenChar; |
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39 | struct timespec timeToWait, timeRem; |
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40 | |
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41 | |
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42 | printf("main begin...\n"); |
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43 | port = DEFAULT_PORT_SERVER; |
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44 | server_name = DEFAULT_IP; |
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45 | |
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46 | bzero(&server, sizeof(server)); |
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47 | |
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48 | sd = socket (AF_INET,SOCK_DGRAM,0); |
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49 | if (inet_aton (server_name, (struct in_addr*)&(server.sin_addr.s_addr)) == 0) { |
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50 | printf("%s : IP address: bad format\n", |
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51 | argv[0]); |
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52 | } |
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53 | |
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54 | server.sin_family = AF_INET; |
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55 | server.sin_port = htons(port); |
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56 | |
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57 | printf("server : %X port : %X\n", server.sin_addr.s_addr, server.sin_port); |
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58 | |
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59 | while(1) { |
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60 | |
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61 | tabChar = BuildBuffer(); |
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62 | lenChar = *((unsigned long *)(tabChar)); |
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63 | i = sendto(sd, tabChar, lenChar, 0, (struct sockaddr *)&server, sizeof(server)); |
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64 | |
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65 | if (i == -1) { |
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66 | fprintf(stderr,"sendto() failed : %d\n", errno); |
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67 | return -1; |
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68 | } |
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69 | |
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70 | timeToWait.tv_sec = 1; |
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71 | timeToWait.tv_nsec = 0; |
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72 | nanosleep(&timeToWait, &timeRem); |
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73 | |
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74 | FreeBuffer(tabChar); |
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75 | } |
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76 | return 0; |
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77 | } |
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78 | |
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