double skew(void)
{
struct timespec tr[MAX_SAMPLES], tm[MAX_SAMPLES];
int i;
double result;
for (i = 0; i < MAX_SAMPLES; i++) {
Try(clock_gettime(CLOCK_MONOTONIC,&tm[i]));
Try(clock_gettime(CLOCK_REALTIME,&tr[i]));
result += timerdiff(&tr[i],&tm[i]);
}
return result / MAX_SAMPLES;
}
int main(int argc, char *argv[])
{
struct sigevent ev;
timer_t tid;
struct itimerspec itsset, itsget_start, itsget;
struct timespec ts, start_sleep, stop_sleep, zero = {0,0};
int deltans;
init_test(argc, argv);
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGCONT;
itsset.it_interval.tv_sec = 0;
itsset.it_interval.tv_nsec = 0;
itsset.it_value.tv_sec = 0;
itsset.it_value.tv_nsec = TIMERNSEC;
Try (timer_create(CLOCK_REALTIME, &ev, &tid));
Try (timer_settime(tid, 0, &itsset, NULL));
Try (timer_gettime(tid, &itsget_start));
ts.tv_sec=0;
ts.tv_nsec=SLEEPNSEC;
Try (clock_gettime(CLOCK_REALTIME, &start_sleep));
#if 0
Try (clock_nanosleep(CLOCK_REALTIME, 0, &ts, NULL));
#else
Try (nanosleep(&ts, NULL));
#endif
Try (clock_gettime(CLOCK_REALTIME, &stop_sleep));
Try (timer_gettime(tid, &itsget));
fprintft(stderr, "Request sleep time was %12.9f sec\n",
timerdiff(&ts, &zero));
fprintft(stderr, "Actual sleep time was %12.9f sec\n",
timerdiff(&stop_sleep, &start_sleep));
fprintft(stderr, "Actual timer time was %12.9f sec\n",
timerdiff(&itsget_start.it_value, &zero));
fprintft(stderr, "Left timer time was %12.9f sec\n",
timerdiff(&itsget.it_value, &zero));
/*
* Algorithm for determining success:
* - itsget must be < itsset
* - itsset-itsget nsec must be <= ACCEPTABLEDELTA
*/
if (itsget.it_value.tv_sec > 0) {
printf("FAIL: timer_gettime() value > time expected left\n");
printf("%d seconds > 0 seconds\n",
(int) itsget.it_value.tv_sec);
return PTS_FAIL;
}
deltans=(itsset.it_value.tv_nsec - ts.tv_nsec)- itsget.it_value.tv_nsec;
if (deltans < 0) {
printf("FAIL: timer_gettime() value > time expected left\n");
printf("%d > %d\n", (int) itsget.it_value.tv_nsec,
(int) itsset.it_value.tv_nsec -
(int) ts.tv_nsec);
return PTS_FAIL;
}
if (deltans <= ACCEPTABLEDELTA) {
printf("Test PASSED\n");
return PTS_PASS;
} else {
printf("FAIL: timer_gettime() value !~= time expected left\n");
printf("%d !~= %d\n", (int) itsget.it_value.tv_nsec,
(int) itsset.it_value.tv_nsec -
(int) ts.tv_nsec);
return PTS_FAIL;
}
printf("This code should not be executed\n");
return PTS_UNRESOLVED;
}
int XHCP_server (node_t* argXmlConfig)
{
static const int zero=0;
static int listener;
static int conn;
static pid_t pid;
//static struct sockaddr_in servaddr;
static struct sockaddr_storage servaddr;
static struct timeval time_conn, time_resp;
static char *additionalDataBuffer=NULL;
static int argc = 0;
static char *argv[MAX_CMD_ARGS+1];
static char buffer[MAX_REQ_LINE] = {0};
int status, nbCar;
// Variables non persistantes
int sockV4, sockV6;
struct addrinfo hints, *list_addr, *p_adresse, *aiv4, *aiv6, *choix_ai;
switch (XHCP_running_status)
{
/* ------------------------------------------------------------------------ */
case (XHCPstate_init):
XHCP_loadConfig(argXmlConfig);
/* Create socket */
// if ( (listener = socket (AF_INET, SOCK_STREAM, 0)) < 0 )
// Error_Quit ("Couldn't create listening socket.");
/* Populate socket address structure */
memset (&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
if ( (getaddrinfo(NULL, XHCP_SERVER_PORT, &hints, &list_addr)) < 0 )
{
//printf("getaddrinfo: %s\n",gai_strerroe(flags));
perror("getaddrinfo");
exit(1);
}
sockV4=-1; sockV6=-1;
p_adresse = list_addr;
// Vérification des protocoles en testant l'ouverture d'une socket
while (p_adresse)
{
if ( p_adresse->ai_family == AF_INET6)
{
if ( sockV6 < 0 )
{
printf("Scanning IPV6...");
if ( (sockV6=socket(p_adresse->ai_family, p_adresse->ai_socktype, p_adresse->ai_protocol)) >= 0 )
{
aiv6 = p_adresse;
printf(" found");
}
printf("\n");
}
}
else if ( p_adresse->ai_family == AF_INET)
{
if ( sockV4 < 0 )
{
printf("Scanning IPV4...");
if ( (sockV4=socket(p_adresse->ai_family, p_adresse->ai_socktype, p_adresse->ai_protocol)) >= 0 )
{
aiv4 = p_adresse;
printf(" found");
}
printf("\n");
}
}
p_adresse = p_adresse->ai_next;
}
// Selection de la socket
if ( sockV6 >= 0 )
{
choix_ai = aiv6;
listener = sockV6;
// Tentative d'activation de la traduction IPV6->IPV4
if ( setsockopt(sockV6, IPPROTO_IPV6, IPV6_V6ONLY, &zero, sizeof(zero)) < 0 )
{
perror("notice : setsockopt(IPV6_ONLY)");
printf("IPV6 ONLY ! Tentative de passer en IPV4...\n");
if (sockV4 >=0)
{
close(sockV6);
sockV6 = -1;
}
}
else
{ //Traduction possible, on ferme l'ipv4
if (sockV4 >= 0)
{
printf("IPV4 over IPV6 => close IPV4\n");
close(sockV4);
sockV4=-1;
}
}
}
if ( sockV4 >= 0 )
{
choix_ai = aiv4;
listener = sockV4;
}
else if ( sockV6 < 0 )
{
Error_Quit ("Aucun protocole IPV4 ou IPV6 possible.");
}
/* "Address already in use" error message killer !!!! */
int tr=1;
if (setsockopt(listener,SOL_SOCKET,SO_REUSEADDR,&tr,sizeof(int)) == -1)
{
perror("setsockopt");
exit(1);
}
/* Assign socket address to socket */
if ( bind (listener, choix_ai->ai_addr, choix_ai->ai_addrlen) < 0 )
{
perror("Bind");
Error_Quit ("Couldn't bind listening socket.");
}
/* Make socket a listening socket */
if ( listen (listener, LISTENQ) < 0 )
Error_Quit ("Call to listen failed.");
int flags = fcntl(listener, F_GETFL );
fcntl(listener, F_SETFL, flags | O_NONBLOCK );
freeaddrinfo(list_addr);
/* Diverses initialisations */
XHCP_customWelcomeMessage ();
/* L'initialisation est terminée, on passe à la suite */
XHCP_running_status = XHCPstate_waitConnect;
/* No break, we continue !!!*/
/* ------------------------------------------------------------------------ */
case (XHCPstate_waitConnect):
/* Wait for connection */
if ( (conn = accept (listener, NULL, NULL)) < 0 )
{
if ( (errno == EWOULDBLOCK) || (errno == EAGAIN) )
{
return XHCP_running_status;
}
else
Error_Quit ("Error calling accept()");
}
//Gestion du timeout pour la bascule en mode commande
gettimeofday(&time_conn, NULL);
//XHCP_running_status = XHCPstate_waitCommand;
XHCP_running_status = XHCPstate_waitHTTPRequest;
/* No break, we continue !!!*/
/* ------------------------------------------------------------------------ */
case (XHCPstate_waitHTTPRequest):
if ( (nbCar = recv(conn, buffer, MAX_REQ_LINE - 1, MSG_DONTWAIT)) <0 )
{
if ( (errno == EWOULDBLOCK) || (errno == EAGAIN) )
{
//TODO Gestion du timeout
gettimeofday(&time_resp, NULL);
if ( timerdiff(&time_conn, &time_resp) > 100000 )
{
// On passe en mode "Commande"
XHCP_running_status = XHCPstate_waitCommand;
XHCP_printXHCPResponse (conn, RES_HALWELCOM ); // Petit message de bienvenue
}
return XHCP_running_status;
}
else
Error_Quit ("Error calling accept()");
}
buffer[nbCar]='\0';
/* We suppress all extra characters */
Trim (buffer, 0);
processHttpRequest(conn, buffer);
if ( close (conn) < 0 )
Error_Quit ("Error closing connection socket in parent.");
XHCP_running_status = XHCPstate_waitConnect;
return XHCP_running_status;
/* ------------------------------------------------------------------------ */
case (XHCPstate_waitCommand):
if ( (nbCar = recv(conn, buffer, MAX_REQ_LINE - 1, MSG_DONTWAIT)) <0 )
{
if ( (errno == EWOULDBLOCK) || (errno == EAGAIN) )
{
//TODO Gestion du timeout
return XHCP_running_status;
}
else
Error_Quit ("Error calling accept()");
}
buffer[nbCar]='\0';
Trim (buffer, 0); // We suppress all extra characters
if ( buffer[0] == '\0' )
return XHCP_running_status; // We continue....
printf ("Ligne lue : %s\n", buffer);
cut_Line (buffer, &argc, argv);
printf ("%d arguments :\n", argc);
int i;
for ( i=0; i<argc; i++ )
printf ( "%d - %s\n", i, argv[i]);
status = exec_Line (conn, argc, argv ); // We compute the line...
printf("Ligne executee, statut = %d\n",status);
switch (status)
{
case -1: // deconnexion
XHCP_running_status = XHCPstate_endConnect;
return XHCP_running_status;
break;
case 0: // Fin de la commande
return XHCP_running_status;
break;
// default : // On continue
}
XHCP_running_status = XHCPstate_waitData;
/* No break, we continue !!!*/
/* ------------------------------------------------------------------------ */
case (XHCPstate_waitData):
if ( (nbCar = recv(conn, buffer, MAX_REQ_LINE - 1, MSG_DONTWAIT)) <0 )
{
if ( (errno == EWOULDBLOCK) || (errno == EAGAIN) )
{
//TODO Gestion du timeout
return XHCP_running_status;
}
else
Error_Quit ("Error calling accept()");
}
buffer[nbCar]='\0';
/* We suppress all extra characters on the right except '.' and '>' */
Trim (buffer, 1);
/* The handler is activate, so all lignes are added in buffer */
if ( buffer[0] == '.' && buffer[1] == '\0')
{
additionalDataHandler (conn, argc, argv, additionalDataBuffer );
additionalDataHandler = NULL;
free (additionalDataBuffer);
additionalDataBuffer = NULL;
XHCP_running_status = XHCPstate_waitCommand;
}
else
{
additionalDataBuffer = addBuffer (additionalDataBuffer, buffer);
}
break;
/* ------------------------------------------------------------------------ */
case (XHCPstate_endConnect):
XHCP_printXHCPResponse (conn, RES_CLOCONBYE );
if ( close (conn) < 0 )
Error_Quit ("Error closing connection socket in parent.");
XHCP_running_status = XHCPstate_waitConnect;
//default : /* (XHCPstate_death) */
/* Do nothing ... */
}
return XHCP_running_status;
}