some modifications
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parent
08d6fac3d2
commit
86722b8db1
@ -21,7 +21,7 @@ int file_write (const char *path, const char *buf, size_t msize)
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int ret = 0;
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int ret2 = 0;
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printf ("%ld bytes to write\n", msize);
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//printf ("%ld bytes to write\n", msize);
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ret = write (fd, buf, msize);
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if (ret <= 0) {
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fprintf (stderr, "err: written %s\n", path);
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@ -2,7 +2,7 @@
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REP=/tmp/ipc/
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SERVICE="tcpd"
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NB=3
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NB=10
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if [ $# -ne 0 ]
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then
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@ -65,7 +65,7 @@ void write_message(int sock, const char *buffer)
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int read_message(int sock, char *buffer)
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{
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return recv(sock, buffer, BUF_SIZE - 1, 0);
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return read(sock, buffer, BUF_SIZE);
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}
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void endConnection(int sock) {
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@ -80,18 +80,26 @@ void printAddr(struct sockaddr_in *csin) {
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void * service_thread(void * c_data) {
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client_data *cda = (client_data*) c_data;
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char buffer[BUF_SIZE];
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char *service;
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int version;
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int clientSock = cda->sfd;
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int nbMessages = 0;
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char *buffer = malloc (BUF_SIZE);
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if (buffer == NULL) {
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perror("malloc()");
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return NULL;
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}
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memset(buffer, 0, BUF_SIZE);
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if (read_message(clientSock, buffer) == -1) {
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perror("read_message()");
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return NULL;
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}else {
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parseServiceVersion(buffer, &service, &version);
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}
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printf("%s\n",buffer );
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printf("%s %d\n",service, version );
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/* TODO : service correspond au service que le client veut utiliser
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** il faut comparer service à un tableau qui contient les services
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@ -99,12 +107,12 @@ void * service_thread(void * c_data) {
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*/
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//path service
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char servicePath[PATH_MAX];
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/*char servicePath[PATH_MAX];
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memset (servicePath, 0, PATH_MAX);
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if (servicePath == NULL) {
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perror("malloc()");
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}
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snprintf(servicePath , PATH_MAX, "%s%s" , TMPDIR, service);
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snprintf(servicePath , PATH_MAX, "%s%s" , TMPDIR, service);*/
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//pid index version
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char * piv = malloc(PATH_MAX);
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@ -114,16 +122,21 @@ void * service_thread(void * c_data) {
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}
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makePivMessage(&piv, getpid(), cda->index, version);
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struct service srv;
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srv_init (0, NULL, NULL, &srv, service, NULL);
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app_srv_connection(&srv, piv, strlen(piv));
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free(piv);
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//write pid index version in T/I/S of service
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int ret = file_write(servicePath, piv, strlen(piv));
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/*int ret = file_write(servicePath, piv, strlen(piv));
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if(ret == 0) {
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perror("file_write()");
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return NULL;
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}
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free(piv);
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free(piv);*/
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// gets the service path, such as /tmp/ipc/pid-index-version-in/out
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char * pathname[2];
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/*char * pathname[2];
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pathname[0] = (char*) malloc(PATH_MAX);
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memset(pathname[0], 0, PATH_MAX);
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if (pathname[0] == NULL) {
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@ -134,10 +147,14 @@ void * service_thread(void * c_data) {
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if (pathname[1] == NULL) {
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perror("malloc()");
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}
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inOutPathCreate(pathname, cda->index, version);
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inOutPathCreate(pathname, cda->index, version);*/
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struct process p;
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app_create(&p, getpid(), cda->index, version);
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srv_process_print(&p);
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//create in out files
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if(fifo_create(pathname[0]) != 0) {
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/*if(fifo_create(pathname[0]) != 0) {
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perror("fifo_create()");
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return NULL;
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}
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@ -145,16 +162,18 @@ void * service_thread(void * c_data) {
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if(fifo_create(pathname[1]) != 0) {
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perror("fifo_create()");
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return NULL;
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}
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}*/
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//open -in fifo file
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int fdin = open (pathname[0], O_RDWR);
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int fdin = open (p.path_in, O_RDWR);
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if (fdin <= 0) {
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printf("open: fd < 0\n");
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perror ("open()");
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return NULL;
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}
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//char *buf = NULL;
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size_t msize;
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//utilisation du select() pour surveiller la socket du client et fichier in
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fd_set rdfs;
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@ -178,8 +197,8 @@ void * service_thread(void * c_data) {
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}
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if (FD_ISSET(fdin, &rdfs)){
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if(read(fdin, &buffer, BUF_SIZE) < 0) {
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perror("read()");
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if(app_read(&p, &buffer, &msize) < 0) {
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perror("app_read()");
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}
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printf("message from file in : %s\n", buffer );
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write_message(clientSock, buffer);
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@ -189,20 +208,16 @@ void * service_thread(void * c_data) {
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int n = read_message(clientSock, buffer);
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if(n > 0) {
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printf("Server : message (%d bytes) : %s\n", n, buffer);
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if(file_write(pathname[1], buffer, strlen(buffer)) < 0) {
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if(app_write(&p, buffer, strlen(buffer)) < 0) {
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perror("file_write");
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}
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nbMessages++;
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} else if (n == 0 && nbMessages == 0){
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//message end to server
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if(file_write(pathname[1], "exit", 4) < 0) {
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if(app_write(&p, "exit", 4) < 0) {
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perror("file_write");
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}
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//free
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free(pathname[0]);
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free(pathname[1]);
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//close the files descriptors
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close(fdin);
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close(clientSock);
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@ -493,6 +508,8 @@ void * client_thread(void *reqq) {
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}
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write_message(sock, buffer);
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} else if (FD_ISSET(sock, &rdfs)) {
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int n = read_message(sock, buffer);
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@ -517,6 +534,9 @@ void * client_thread(void *reqq) {
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}
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}
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printf("------thread client shutdown----------\n");
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close(sock);
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return NULL;
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