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Merge pull request #3 from yoboujon/yohan

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Yohan
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yoboujon 2023-01-13 09:16:48 +01:00 • committed by GitHub
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12 changed files with 152 additions and 141 deletions
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4
README.md
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@ -1,2 +1,6 @@
# tsock
Using C's standard UDP/TCP Library, send and receive data through the Internet.
Pour compiler :
```
gcc -Wall src/*.c -o main
```

8
header/puit.h Normal file
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@ -0,0 +1,8 @@
#ifndef HEADER_PUIT
#define HEADER_PUIT
#include "tsock.h"
int launchPuit(int nombreMessage);
int receiveMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct);
#endif

8
header/source.h Normal file
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@ -0,0 +1,8 @@
#ifndef HEADER_SOURCE
#define HEADER_SOURCE
#include "tsock.h"
int launchSource(int nombreMessage);
int sendMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct);
#endif

3
tsock.h → header/tsock.h
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@ -13,5 +13,8 @@
void setNbMessage(int * nb, int source);
void printInfo(int nb, int source);
void initStructSocket(struct sockaddr_in *socketServerTemp, int source);
#define PORT_NUM 9000
#endif

73
puit.c
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@ -1,73 +0,0 @@
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
#define _OE_SOCKETS
#define PORT_NUM 9000
void initSocketAddr(struct sockaddr_in *socketServerTemp, int source);
void creationSocket(int *socketTemp, struct sockaddr_in *socketTempStruct);
char buffer[1024];
struct sockaddr_in socketClient;
int main(void)
{
int sock;
creationSocket(&sock,&socketClient);
initSocketAddr(&socketClient,0);
if (bind(sock, (const struct sockaddr *)&socketClient, sizeof(socketClient)) < 0 )
{
perror("bind failed");
exit(EXIT_FAILURE);
}
int n;
unsigned int lg_socketServer = sizeof(socketClient);
n = recvfrom(sock, (char *)buffer, 1024, 0, (struct sockaddr*) &socketClient,&lg_socketServer);
buffer[n] = '\0';
printf("Server : %s\n", buffer);
close(sock);
return 0;
}
void initSocketAddr(struct sockaddr_in *socketTempStruct, int source)
{
socketTempStruct->sin_family=AF_INET;
socketTempStruct->sin_port=htons(PORT_NUM);
if(source)
{
struct hostent *hp;
if((hp = gethostbyname("localhost")) == NULL)
{
printf("erreur gethostbyname\n");
exit(1);
}
memcpy((char*)&(socketTempStruct->sin_addr.s_addr),hp->h_addr_list[0],hp->h_length);
}
else
{
socketTempStruct->sin_addr.s_addr=INADDR_ANY;
}
}
void creationSocket(int *socketTemp, struct sockaddr_in *socketTempStruct){
if((*socketTemp=socket(AF_INET,SOCK_DGRAM,0)) == -1)
{
printf("échec création du socket\n");
exit(1);
}
memset(socketTempStruct, 0, sizeof(*socketTempStruct));
}

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source
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45
source.c
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@ -1,45 +0,0 @@
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <errno.h>
#define PORT_NUM 9000
void initSocket();
int sock;
int lg_emis;
struct hostent *hp;
struct sockaddr_in socketClient;
int main(void)
{
if((sock=socket(AF_INET,SOCK_DGRAM,0)) == -1)
{
printf("échec création du socket\n");
exit(1);
}
memset(&socketClient, 0, sizeof(socketClient));
initSocket();
lg_emis=sendto(sock, "aaaaa", 6, 0, (struct sockaddr*)&socketClient, sizeof(socketClient));
printf("lgemis = %d\n",lg_emis);
close(sock);
return 0;
}
void initSocket()
{
socketClient.sin_family=AF_INET;
socketClient.sin_port=htons(PORT_NUM);
if((hp = gethostbyname("localhost")) == NULL)
{
printf("erreur gethostbyname\n");
exit(1);
}
memcpy((char*)&(socketClient.sin_addr.s_addr),hp->h_addr_list[0],hp->h_length);
}

6
main.c → src/main.c
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@ -1,4 +1,6 @@
#include "tsock.h"
#include "../header/tsock.h"
#include "../header/puit.h"
#include "../header/source.h"
int main (int argc, char **argv)
{
@ -43,9 +45,11 @@ int main (int argc, char **argv)
if(source)
{
printf("Source : %d\n",nb_message);
launchSource(nb_message);
}
else
{
printf("Puit : %d\n",nb_message);
launchPuit(nb_message);
}
}

48
src/puit.c Normal file
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@ -0,0 +1,48 @@
#include "../header/puit.h"
int launchPuit(int nombreMessage)
{
int sock;
struct sockaddr_in socketPuit;
if((sock=socket(AF_INET,SOCK_DGRAM,0)) == -1)
{
perror("[tsock] : fonction socket() : echec creation du socket\n");
exit(EXIT_FAILURE);
}
initStructSocket(&socketPuit,0);
if (bind(sock, (const struct sockaddr *)&socketPuit, sizeof(socketPuit)) < 0 )
{
perror("[tsock] : fonction bind() : echec du lien avec socket serveur.\n");
exit(EXIT_FAILURE);
}
receiveMultipleData(nombreMessage,30,sock,socketPuit);
close(sock);
return 0;
}
int receiveMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct)
{
char messageRecu[tailleMessage+1];
int n, longueurRecu = sizeof(socketStruct);
if(nombreMessages < 0)
{
int i=1;
while(1)
{
n = recvfrom(sock, (char *)messageRecu, tailleMessage, 0, (struct sockaddr*) &socketStruct,(socklen_t *__restrict__)&longueurRecu);
messageRecu[n] = '\0';
printf("Puit\tReception n°%d (%d) :\t[%s]\n",i,tailleMessage,messageRecu);
i++;
}
}
else{
for(int i=0;i<nombreMessages;i++)
{
n = recvfrom(sock, (char *)messageRecu, tailleMessage, 0, (struct sockaddr*) &socketStruct,(socklen_t *__restrict__)&longueurRecu);
messageRecu[n] = '\0';
printf("Puit\tReception n°%d (%d) :\t[%s]\n",i+1,tailleMessage,messageRecu);
}
}
return 0;
}

32
src/source.c Normal file
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@ -0,0 +1,32 @@
#include "../header/source.h"
int launchSource(int nombreMessage)
{
int sock;
struct sockaddr_in socketSource;
if((sock=socket(AF_INET,SOCK_DGRAM,0)) == -1)
{
perror("[tsock] : fonction socket() : echec creation du socket\n");
exit(EXIT_FAILURE);
}
initStructSocket(&socketSource,1);
sendMultipleData(nombreMessage,30,sock,socketSource);
close(sock);
return 0;
}
int sendMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct)
{
int longueurEmis;
char messageChar='a';
char sendingMessage[tailleMessage];
for(int i=0;i<nombreMessages;i++)
{
memset(sendingMessage, messageChar, tailleMessage*sizeof(char));
longueurEmis=sendto(sock, sendingMessage, tailleMessage, 0, (struct sockaddr*)&socketStruct, sizeof(socketStruct));
printf("Source\tEnvoi n°%d (%d) :\t[%s]\n",i+1,longueurEmis,sendingMessage);
messageChar++;
}
return 0;
}

44
src/tsock.c Normal file
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@ -0,0 +1,44 @@
#include "../header/tsock.h"
void setNbMessage(int * nb, int source)
{
if((*nb == -1) && (source))
{
*nb = 10;
}
}
void printInfo(int nb, int source)
{
if(source)
{
printf("tsock lance en mode source, nombre de tampons à envoyer : %d\n", nb);
}
else
{
printf("tsock lance en mode puit, nombre de tampons à recevoir :");
nb != -1 ? printf("%d\n", nb) : printf("infini\n");
}
}
void initStructSocket(struct sockaddr_in *socketTempStruct, int source)
{
memset(socketTempStruct, 0, sizeof(*socketTempStruct));
socketTempStruct->sin_family=AF_INET;
socketTempStruct->sin_port=htons(PORT_NUM);
if(source)
{
struct hostent *hp;
if((hp = gethostbyname("localhost")) == NULL)
{
printf("erreur gethostbyname\n");
exit(1);
}
memcpy((char*)&(socketTempStruct->sin_addr.s_addr),hp->h_addr_list[0],hp->h_length);
}
else
{
socketTempStruct->sin_addr.s_addr=INADDR_ANY;
}
}

22
tsock.c
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@ -1,22 +0,0 @@
#include "tsock.h"
void setNbMessage(int * nb, int source)
{
if((*nb == -1) && (source))
{
*nb = 10;
}
}
void printInfo(int nb, int source)
{
if(source)
{
printf("tsock lance en mode source, nombre de tampons à envoyer : %d\n", nb);
}
else
{
printf("tsock lance en mode puit, nombre de tampons à recevoir :");
nb != -1 ? printf("%d\n", nb) : printf("infini\n");
}
}