193 lines
7.0 KiB
C
193 lines
7.0 KiB
C
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#include "client.h"
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void CLIENT_REQUEST(char* serverHost, char* serverPort, char* pRequest, char** pAnswer){
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if( DEBUGMOD ) printf("====== CLIENT_REQUEST(%s, %s, %s, %s) ======\n\n", serverHost, serverPort, pRequest, *pAnswer);
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struct addrinfo hints; // contiendra le filtre/format
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struct addrinfo* addrinfo; // contiendra les infos
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int SOCKET, CONNECT; // file_desc(s)
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char BUFFER[maxBuffLen]; // BUFFER de communication
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// char pAnswer[maxBuffLen] = {0}; // on vide la réponse (contiendra la réponse du serveur)
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/* [1] On définit le filtre/format
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=======================================================*/
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memset(&hints, 0, sizeof(struct addrinfo)); // on vide le filtre
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hints.ai_family = AF_UNSPEC; // Allow IPv4 ou IPv6
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hints.ai_socktype = SOCK_STREAM; // TCP (SOCK_DGRAM = UDP)
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hints.ai_flags = 0; // non spécifié
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hints.ai_protocol = 0; // non spécifié
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if( DEBUGMOD ) printf("============HINTS===========\n");
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if( DEBUGMOD ) printf( "AI_FLAGS = %d\n", hints.ai_flags ); // int
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if( DEBUGMOD ) printf( "AI_FAMILY = %d\n", hints.ai_family ); // int
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if( DEBUGMOD ) printf( "AI_SOCKTYPE = %d\n", hints.ai_socktype ); // int
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if( DEBUGMOD ) printf( "AI_PROTOCOL = %d\n", hints.ai_protocol ); // int
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if( DEBUGMOD ) printf( "AI_ADDRLEN = %d\n", hints.ai_addrlen ); // int
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if( DEBUGMOD ) printf("\n");
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/* [2] On récupère les infos
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=======================================================*/
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getaddrinfo(serverHost, serverPort, &hints, &addrinfo);
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if( DEBUGMOD ) printf("=============RES============\n");
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if( DEBUGMOD ) printf( "AI_FLAGS = %d\n", addrinfo->ai_flags ); // int
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if( DEBUGMOD ) printf( "AI_FAMILY = %d\n", addrinfo->ai_family ); // int
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if( DEBUGMOD ) printf( "AI_SOCKTYPE = %d\n", addrinfo->ai_socktype ); // int
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if( DEBUGMOD ) printf( "AI_PROTOCOL = %d\n", addrinfo->ai_protocol ); // int
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if( DEBUGMOD ) printf( "AI_ADDRLEN = %d\n", addrinfo->ai_addrlen ); // int
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if( DEBUGMOD ) printf("\n");
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/* [3] Création de la socket
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=======================================================*/
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SOCKET = socket(addrinfo->ai_family, addrinfo->ai_socktype, 0);
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if( DEBUGMOD ) printf("SOCKET = %d\n", SOCKET);
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// si erreur
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if( SOCKET == -1 ) return;
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/* [4] On établit la connection
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=======================================================*/
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CONNECT = connect(
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SOCKET,
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addrinfo->ai_addr,
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addrinfo->ai_addrlen
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);
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if( DEBUGMOD ) printf("CONNECT = %d\n", CONNECT);
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// si erreur
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if( CONNECT == -1 ) return;
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// on a plus besoin des infos de l'adresse
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freeaddrinfo(addrinfo);
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/* [5] On écrit sur la socket
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=======================================================*/
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int nbSend = swrite(&SOCKET, pRequest);
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if( DEBUGMOD ) printf("nbSend: %d\n", nbSend);
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if( DEBUGMOD ) printf("Message: %s\n", pRequest);
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// si pas tout envoyé
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if( strlen(pRequest) != nbSend ) return;
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/* [6] On lit la réponse
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=======================================================*/
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// memset(BUFFER, '\0', sizeof(BUFFER)); // on vide le buffer
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int nbRecup = sread(&SOCKET, BUFFER);
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*pAnswer = malloc( sizeof(BUFFER) );
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strcpy(*pAnswer, BUFFER);
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if( DEBUGMOD ) printf("nbReceived: %d\n", nbRecup);
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if( DEBUGMOD ) printf("Message: %s\n", *pAnswer);
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/* [7] On ferme la connection
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=======================================================*/
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int closeState = close(SOCKET);
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// if( closeState == -1 ) return;
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}
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void CONNECT_CLIENT(char* serverHost, char* serverPort, int* pSocket){
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if( DEBUGMOD ) printf("====== INIT_CLIENT(%s, %s, %d) ======\n\n", serverHost, serverPort, *pSocket);
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struct addrinfo hints; // contiendra le filtre/format
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struct addrinfo* addrinfo; // contiendra les infos
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int CONNECT; // file_desc(s)
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char BUFFER[maxBuffLen]; // BUFFER de communication
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// char pAnswer[maxBuffLen] = {0}; // on vide la réponse (contiendra la réponse du serveur)
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/* [1] On définit le filtre/format
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=======================================================*/
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memset(&hints, 0, sizeof(struct addrinfo)); // on vide le filtre
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hints.ai_family = AF_UNSPEC; // Allow IPv4 ou IPv6
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hints.ai_socktype = SOCK_STREAM; // TCP (SOCK_DGRAM = UDP)
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hints.ai_flags = 0; // non spécifié
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hints.ai_protocol = 0; // non spécifié
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if( DEBUGMOD ) printf("============HINTS===========\n");
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if( DEBUGMOD ) printf( "AI_FLAGS = %d\n", hints.ai_flags ); // int
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if( DEBUGMOD ) printf( "AI_FAMILY = %d\n", hints.ai_family ); // int
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if( DEBUGMOD ) printf( "AI_SOCKTYPE = %d\n", hints.ai_socktype ); // int
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if( DEBUGMOD ) printf( "AI_PROTOCOL = %d\n", hints.ai_protocol ); // int
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if( DEBUGMOD ) printf( "AI_ADDRLEN = %d\n", hints.ai_addrlen ); // int
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if( DEBUGMOD ) printf("\n");
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/* [2] On récupère les infos
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=======================================================*/
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getaddrinfo(serverHost, serverPort, &hints, &addrinfo);
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if( DEBUGMOD ) printf("=============RES============\n");
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if( DEBUGMOD ) printf( "AI_FLAGS = %d\n", addrinfo->ai_flags ); // int
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if( DEBUGMOD ) printf( "AI_FAMILY = %d\n", addrinfo->ai_family ); // int
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if( DEBUGMOD ) printf( "AI_SOCKTYPE = %d\n", addrinfo->ai_socktype ); // int
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if( DEBUGMOD ) printf( "AI_PROTOCOL = %d\n", addrinfo->ai_protocol ); // int
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if( DEBUGMOD ) printf( "AI_ADDRLEN = %d\n", addrinfo->ai_addrlen ); // int
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if( DEBUGMOD ) printf("\n");
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/* [3] Création de la socket
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=======================================================*/
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*pSocket = socket(addrinfo->ai_family, addrinfo->ai_socktype, 0);
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if( DEBUGMOD ) printf("SOCKET = %d\n", *pSocket);
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// si erreur
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if( *pSocket == -1 ) return;
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/* [4] On établit la connection
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=======================================================*/
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CONNECT = connect(
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*pSocket,
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addrinfo->ai_addr,
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addrinfo->ai_addrlen
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);
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if( DEBUGMOD ) printf("CONNECT = %d\n", CONNECT);
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// si erreur
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if( CONNECT == -1 ) return;
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// on a plus besoin des infos de l'adresse
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freeaddrinfo(addrinfo);
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}
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void CLIENT_SEND(int* pSocket, char* pRequest, char** pAnswer){
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char BUFFER[maxBuffLen] = {'\0'};
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/* [5] On écrit sur la socket
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=======================================================*/
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int nbSend = swrite(pSocket, pRequest);
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if( DEBUGMOD ) printf("nbSend: %d\n", nbSend);
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if( DEBUGMOD ) printf("Message: %s\n", pRequest);
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// si pas tout envoyé
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if( strlen(pRequest) != nbSend ) return;
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/* [6] On lit la réponse
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=======================================================*/
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int nbRecup = sread(pSocket, BUFFER);
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*pAnswer = malloc( sizeof(BUFFER) );
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strcpy(*pAnswer, BUFFER);
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if( DEBUGMOD ) printf("nbReceived: %d\n", nbRecup);
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if( DEBUGMOD ) printf("Message: %s\n", *pAnswer);
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}
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