[update] Managing already used ports (so take next, 10 times max)
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@ -105,12 +105,13 @@ int main(int argc, char* argv[]){
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void* LISTEN_TCP(void* THREADABLE_ARGS){
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/* [0] Initialisation des variables
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==========================================================*/
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int CLIENT_SOCKET; // contiendra la socket TCP à envoyer sur un THREAD
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struct sockaddr_in clientInfo; // contiendra les infos client
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socklen_t len; // taille de la socket
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int index, i; // compteurs
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struct listen_arg* arg = THREADABLE_ARGS; // Addr + Port serveur
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struct in_addr ip; // Pour afficher l'IP en dot notation
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int CLIENT_SOCKET; // contiendra la socket TCP à envoyer sur un THREAD
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struct sockaddr_in clientInfo; // contiendra les infos client
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socklen_t len; // taille de la socket
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int index, i; // compteurs
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struct listen_arg* arg = THREADABLE_ARGS; // Addr + Port serveur
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struct in_addr ip; // Pour afficher l'IP en dot notation
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int rtnPort; // Port utilisé par le serveur
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ip.s_addr = arg->addr;
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@ -120,7 +121,8 @@ void* LISTEN_TCP(void* THREADABLE_ARGS){
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/* [1] On démarre le SERVEUR TCP d'écoute globale
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==========================================================*/
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if( DROP_TCP_SERVER(arg->port, &LISTENSOCK) < 0 ){
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rtnPort = DROP_TCP_SERVER(arg->port, &LISTENSOCK);
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if( rtnPort < 0 ){
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if( DEBUGMOD&SCK ) printf("{tcp_listn} Error creating listener socket\n");
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@ -133,7 +135,9 @@ void* LISTEN_TCP(void* THREADABLE_ARGS){
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printf("{tcp_listn} listen on %s:%d\n", inet_ntoa(ip), arg->port);
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printf("{tcp_listn} listen on %s:%d\n", inet_ntoa(ip), rtnPort);
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if( rtnPort != arg->port )
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printf("{tcp_listn} /!\\ Another SGCA might be running, port %d is already used\n", arg->port);
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@ -229,6 +233,7 @@ void* LISTEN_UDP(void* THREADABLE_ARGS){
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int returned; // Contrôle d'exécution middleware
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struct middleware_arg marg; // paramètres pour middleware
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struct in_addr ip; // Permet d'afficher les IP en dot notation
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int rtnPort; // Returned port (if already used)
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/* 2. On parse les arguments */
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struct listen_arg* arg = THREADABLE_ARGS; // Addr + Port serveur
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@ -246,7 +251,8 @@ void* LISTEN_UDP(void* THREADABLE_ARGS){
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/* [1] On démarre le SERVEUR UDP d'écoute globale
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==========================================================*/
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/* 1. On crée la socket */
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if( DROP_UDP_SERVER(arg->addr, arg->port, &SOCKET, &listenInfo, 1) < 0 ){
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rtnPort = DROP_UDP_SERVER(arg->addr, arg->port, &SOCKET, &listenInfo, 1);
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if( rtnPort < 0 ){
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if( DEBUGMOD&SCK ) printf("{%s} Error creating listener socket\n", entity);
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@ -261,7 +267,10 @@ void* LISTEN_UDP(void* THREADABLE_ARGS){
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setTimeout(SOCKET, SOCK_TIMEOUT, TIMEOUT_SEND);
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if( DEBUGMOD&SCK ) printf("{%s} SEND timeout set to %d\n", entity, SOCK_TIMEOUT);
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printf("{%s} listen on %s:%d\n", entity, inet_ntoa(ip), arg->port);
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printf("{%s} listen on %s:%d\n", entity, inet_ntoa(ip), rtnPort);
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if( rtnPort != arg->port )
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printf("{%s} /!\\ Another SGCA might be running, port %d is already used\n", entity, arg->port);
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@ -15,6 +15,7 @@
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#define HEADERS 0x08 // debug des HEADERS de fonctions
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#define THREADS 0x10 // debug des THREADS
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#define COMMUNI 0x20 // debug des COMMUNICATIONS
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#define SOCKADV 0x40 // debug des ADVANCED SOCKET
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#define SCK 0x01 // FILTRE pour SOCKET
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#define RVL 0x02 // FILTRE pour REVEALS
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@ -22,6 +23,7 @@
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#define HDR 0x08 // FILTRE pour HEADERS
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#define THR 0x10 // FILTRE pour THREADS
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#define COM 0x20 // FILTRE pour COMMUNICATIONS
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#define SAD 0x40 // FILTRE pour ADVANCED SOCKET
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// possibilité de cumuler les DEBUGMODES
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#define DEBUGMOD ( SOCKETS | THREADS | BUFFERS ) // REVEALS + HEADER + THREADS
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@ -96,3 +96,23 @@ int setTimeout(int pSocket, const time_t pSec, char pFlags){
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/* 3. Résultat de succès */
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return 0;
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}
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int checkMulticastGroup(in_addr_t pAddr){
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// printf("Checking if multicast '%d' is already used\n");
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/* [0] Initialisation des variables
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=========================================================*/
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// int sock, nb;
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/* [1] Création d'une socket UDP
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=========================================================*/
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return -1;
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}
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@ -53,4 +53,22 @@
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int setTimeout(int pSocket, const time_t pSec, char pFlags);
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/* Vérifie si un groupe multicast est déja utilisé
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*
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* @in
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* pAddr<in_addr_t> Adresse du groupe multicast
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*
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* @out
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* -1 en cas d'échec
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* 0 sinon
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*
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* @history
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* [1] Initialisation des variables
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* [2] On Vérifie si le groupe a du traffic
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*
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*/
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int checkMulticastGroup(in_addr_t pAddr);
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#endif
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@ -51,7 +51,13 @@ int DROP_TCP_SERVER(const int pPort, int* pListenSock){
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/* [3] On publie la SOCKET
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=======================================================*/
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/* 1. Publication socket */
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STATUS = bind(*pListenSock, (struct sockaddr*) &addr, sizeof(addr));
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int count = -1;
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do{
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count++;
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addr.sin_port = htons(pPort+count);
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STATUS = bind(*pListenSock, (struct sockaddr*) &addr, sizeof(struct sockaddr_in));
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if( DEBUGMOD&SAD ) printf("\tudp:%d used, trying udp:%d\n", pPort+count-1, pPort+count);
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}while( STATUS < 0 && count < 10 );
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if( DEBUGMOD&SCK && DEBUGMOD&HDR ) printf(" * [drop_tcp_server] bind: %d\n", STATUS);
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@ -74,6 +80,6 @@ int DROP_TCP_SERVER(const int pPort, int* pListenSock){
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/* [n] Code succès
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=========================================================*/
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return 0;
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return pPort+count;
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}
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@ -48,7 +48,13 @@ int DROP_UDP_SERVER(in_addr_t pAddr, const int pPort, int* pListenSock, struct s
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/* [3] On publie la SOCKET
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=======================================================*/
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/* 1. Publication socket */
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STATUS = bind(*pListenSock, (struct sockaddr*) pInfo, sizeof(struct sockaddr_in));
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int count = -1;
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do{
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count++;
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pInfo->sin_port = htons(pPort+count);
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STATUS = bind(*pListenSock, (struct sockaddr*) pInfo, sizeof(struct sockaddr_in));
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if( DEBUGMOD&SAD ) printf("\tudp:%d used, trying udp:%d\n", pPort+count-1, pPort+count);
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}while( STATUS < 0 && count < 10 );
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if( DEBUGMOD&SCK && DEBUGMOD&HDR ) printf(" * [drop_udp_server] bind: %d\n", STATUS);
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@ -74,6 +80,6 @@ int DROP_UDP_SERVER(in_addr_t pAddr, const int pPort, int* pListenSock, struct s
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/* [n] Code succès
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=========================================================*/
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return 0;
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return pPort+count;
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}
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@ -68,7 +68,7 @@ int DROP_MULTICAST_SERVER(const char* pAddr, const int pPort, int* pListenSock,
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/* [3] On publie la SOCKET
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=======================================================*/
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/* 1. Publication socket */
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STATUS = bind(*pListenSock, (struct sockaddr*) pInfo, sizeof(struct sockaddr_in));
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STATUS = bind(*pListenSock, (struct sockaddr*) pInfo, sizeof(struct sockaddr_in));
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/* 2. Gestion erreur */
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if( STATUS < 0 ) return -1;
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