Exemplo n.º 1
0
int forwarder(int from,int to)
{
    int rec,sen;
    fd_set rfds;
    char buffer[BUFSIZ+1];
    while(1){
        FD_ZERO(&rfds);
        FD_SET(from, &rfds);
        FD_SET(to, &rfds);
        int bigger = (from>to?from:to)+1;
        if(select(bigger, &rfds, NULL, NULL, NULL)==0)
            continue;
        if(FD_ISSET(from,&rfds)){
            if ((rec = recv(from, buffer, BUFSIZ,0)) > 0){
                sen=msend(to, &buffer, rec);
                //printf("%d => %d\n",rec,sen);
                if(sen<=0) break;
            }
            else break;
        }
        if(FD_ISSET(to,&rfds)){
            if ((rec = recv(to, buffer, BUFSIZ,0)) > 0){ 
                sen=msend(from, &buffer, rec);
                //printf("%d <= %d\n",rec,sen);
                if(sen<=0) break;
            }
            else break;
        }
    }
    return 0;
}
Exemplo n.º 2
0
Arquivo: lunxun.c Projeto: jsvisa/apue
int DealRequest(int sock, char *buf) {
	int ret = 0;
	printf("Deal Request\n");
	if(strncasecmp(buf, "login", 5) != 0 && logined != 1) {
		msend(sock, "401 Please login first\r\n");
		return -1;
	}

	if(strncasecmp(buf, "list", 4) == 0) {
		ret = DoList(sock, buf);
	}
	else if(strncasecmp(buf, "cd", 2) == 0) {
		ret = DoChdir(sock, buf);
	}
	else if(strncasecmp(buf, "login", 5) == 0) {
		ret = DoLogin(sock, buf);
	}
	else if(strncasecmp(buf, "get", 3) == 0) {
		ret = DoGet(sock, buf);
	}
	else if(strncasecmp(buf, "quit", 4) == 0) {
		ret = DoQuit(sock, buf);
	}
	else {
		printf("Unknown Request:%s\n", buf);
		msend(sock, "400 Unknown command\r\n");
	}
	return ret;

}
Exemplo n.º 3
0
void do_send()
{
  int  i=0;
  mfile *m;
  mfile *n;

  for(m=mftop[MFSEND];m;m=n){
    if(i == moption.parallel){
      return;
    }
    n = m->next;
    if(m->mdata.head.flags & MAKUO_FLAG_ACK){
      msend(m);
      continue;
    }
    if(!is_send(m)){
      if(m->sendwait){
        i++;
      }
      continue;
    }
    msend(m);
    i++;
  }
}
Exemplo n.º 4
0
int main() {
    int s[2];

    /* Send-throttling. */
    int rc = unix_pair(s);
    assert(rc == 0);
    int pfx0 = pfx_start(s[0]);
    assert(pfx0 >= 0);
    int pfx1 = pfx_start(s[1]);
    assert(pfx1 >= 0);
    int thr = mthrottler_start(pfx0, 1000, 10, 0, 0);
    assert(thr >= 0);
    int64_t start = now();
    int i;
    for(i = 0; i != 95; ++i) {
        rc = msend(thr, "ABC", 3, -1);
        assert(rc == 0);
    }
    int64_t elapsed = now() - start;
    assert(elapsed > 80 && elapsed < 100);
    char buf[3];
    for(i = 0; i != 95; ++i) {
        ssize_t sz = mrecv(pfx1, buf, sizeof(buf), -1);
        assert(sz == 3);
    }
    hclose(thr);
    hclose(pfx1);

    /* Recv-throttling. */
    rc = unix_pair(s);
    assert(rc == 0);
    int crlf0 = crlf_start(s[0]);
    assert(pfx0 >= 0);
    int crlf1 = crlf_start(s[1]);
    assert(pfx1 >= 0);
    thr = mthrottler_start(crlf0, 0, 0, 1000, 10);
    assert(thr >= 0);
    for(i = 0; i != 95; ++i) {
        rc = msend(crlf1, "ABC", 3, -1);
        assert(rc == 0);
    }
    start = now();
    for(i = 0; i != 95; ++i) {
        rc = mrecv(thr, buf, sizeof(buf), -1);
        assert(rc == 0);
    }
    elapsed = now() - start;
    assert(elapsed > 80 && elapsed < 100);
    hclose(thr);
    hclose(crlf1);

    return 0;
}
Exemplo n.º 5
0
coroutine void dialogue(int s) {
    int rc = msend(s, "What's your name?", 17, -1);
    if(rc != 0) goto cleanup;
    char inbuf[256];
    ssize_t sz = mrecv(s, inbuf, sizeof(inbuf), -1);
    if(sz < 0) goto cleanup;
    inbuf[sz] = 0;
    char outbuf[256];
    rc = snprintf(outbuf, sizeof(outbuf), "Hello, %s!", inbuf);
    rc = msend(s, outbuf, rc, -1);
    if(rc != 0) goto cleanup;
cleanup:
    rc = hclose(s);
    assert(rc == 0);
}
Exemplo n.º 6
0
int rp_share(uint64_t rp, void *buf, size_t size, uint64_t offset, int prot) {
	struct msg *msg;
	int err;

	/* check alignment */
	if ((uintptr_t) buf % PAGESZ) {
		return 1;
	}

	msg = aalloc(PAGESZ + size, PAGESZ);
	if (!msg) return 1;
	msg->source = RP_CURRENT_THREAD;
	msg->target = rp;
	msg->length = PAGESZ - sizeof(struct msg) + size;
	msg->port   = PORT_SHARE;
	msg->arch   = ARCH_NAT;
	((uint64_t*) msg->data)[0] = offset;

	page_self(buf, &msg->data[PAGESZ - sizeof(struct msg)], size);
	page_prot(&msg->data[PAGESZ - sizeof(struct msg)], size, prot);

	if (msend(msg)) return 1;
	msg = mwait(PORT_REPLY, rp);
	
	if (msg->length != 1) {
		err = 1;
	}
	else {
		err = msg->data[0];
	}

	free(msg);
	return err;
}
Exemplo n.º 7
0
static int lz4_msendv(struct msock_vfs *mvfs,
      const struct iovec *iov, size_t iovlen, int64_t deadline) {
    struct lz4_sock *obj = dsock_cont(mvfs, struct lz4_sock, mvfs);
    /* Adjust the buffer size as needed. */
    size_t len = iov_size(iov, iovlen);
    size_t maxlen = LZ4F_compressFrameBound(len, NULL);
    if(obj->outlen < maxlen) {
        uint8_t *newbuf = realloc(obj->outbuf, maxlen);
        if(dsock_slow(!newbuf)) {errno = ENOMEM; return -1;}
        obj->outbuf = newbuf;
        obj->outlen = maxlen;
    }
    /* Compress the data. */
    /* TODO: Avoid the extra allocations and copies. */
    uint8_t *buf = malloc(len);
    if(dsock_slow(!buf)) {errno = ENOMEM; return -1;}
    iov_copyallfrom(buf, iov, iovlen);
    LZ4F_preferences_t prefs = {0};
    prefs.frameInfo.contentSize = len;
    size_t dstlen = LZ4F_compressFrame(obj->outbuf, obj->outlen,
        buf, len, &prefs);
    dsock_assert(!LZ4F_isError(dstlen));
    dsock_assert(dstlen <= obj->outlen);
    free(buf);
    /* Send the compressed frame. */
    return msend(obj->s, obj->outbuf, dstlen, deadline);
}
Exemplo n.º 8
0
char *fs_list(uint64_t dir, int entry) {
	struct msg *msg;
	char *name;

	msg = aalloc(sizeof(struct msg) + sizeof(uint32_t), PAGESZ);
	if (!msg) return NULL;
	msg->source = RP_CONS(getpid(), 0);
	msg->target = dir;
	msg->length = sizeof(uint32_t);
	msg->port   = PORT_LIST;
	msg->arch   = ARCH_NAT;

	((uint32_t*) msg->data)[0] = entry;

	if (msend(msg)) return NULL;
	msg = mwait(PORT_REPLY, dir);

	if (msg->length == 0) {
		free(msg);
		return NULL;
	}

	name = strdup((const char*) msg->data);

	free(msg);
	return name;
}
Exemplo n.º 9
0
size_t rp_read(uint64_t file, void *buf, size_t size, uint64_t offset) {
	struct msg *msg;

	msg = aalloc(sizeof(struct msg) + sizeof(uint64_t) + sizeof(uint32_t), PAGESZ);
	if (!msg) return 0;
	msg->source = RP_CURRENT_THREAD;
	msg->target = file;
	msg->length = sizeof(uint64_t) + sizeof(uint32_t);
	msg->port   = PORT_READ;
	msg->arch   = ARCH_NAT;
	((uint64_t*) msg->data)[0] = offset;
	((uint32_t*) msg->data)[2] = size;

	if (msend(msg)) return 0;
	msg = mwait(PORT_REPLY, file);

	if (size > msg->length) {
		size = msg->length;
	}

	if (size) memcpy(buf, msg->data, size);

	free(msg);
	return size;
}
Exemplo n.º 10
0
void QTTEST::on_cmdButton_clicked() {

    char sends[1024]="Server> /cmd ";
    std::string cmd_text = (ui.cmdEdit->text()).toLocal8Bit().constData();
    char *cstr = new char[cmd_text.length() + 1];
    strcpy(cstr, cmd_text.c_str());
    strcat(sends, cstr);
    msend(sends);
}
Exemplo n.º 11
0
void sendSTOP()
{
    buf[0] = STOP;
    msend(buf,1);
    mylogfd(MOTOFD,"[moto]sendSTOP\n");
    vleft = 0;
    vright = 0;
    mylogfd(1,"[moto]stop\n");
}
Exemplo n.º 12
0
Arquivo: ss_2.c Projeto: jddantes/chat
void broadcastOthers(char * data, int me){
	int len = strlen(data);
	int j;
	for(j = 0; j<=fdmax; j++){
		if(FD_ISSET(j, &master) && j!=me && j!=listener && ol_list[j]){
			msend(j, data, len, 0);
		}
	}
}
Exemplo n.º 13
0
Arquivo: lunxun.c Projeto: jsvisa/apue
int DoGet(int sock, char *req) {
	int fd;
	int size;
	char filename[256];
	char *p;
	struct stat st;
	char resp[256];

	printf("In %s\n", __func__);
	p = strchr(req, ' ');
	if(p == NULL) {
		msend(sock, "400 Invalid parameter\r\n");
		return 0;
	}
	memset(filename, 0, sizeof(filename));
	strncpy(filename, p+1, 255);

	p = strrchr(filename, '\n');	
	if(p != NULL) {
		*p = '\0';
	}
	p = strrchr(filename, '\r');	
	if(p != NULL) {
		*p = '\0';
	}

	fd = open(filename, O_RDONLY);
	if(fd < 0) {
		msend(sock, "500 Open file failed\r\n");
		return 0;
	}

	fstat(fd, &st);
	sprintf(resp, "200 OK %d\r\n", (int)st.st_size);
	msend(sock, resp);
	while(1) {
		size = read(fd, resp, sizeof(resp));
		if(size <= 0)
			break;
		send(sock, resp, size, 0);
	}
	close(fd);
	return 0;
}
Exemplo n.º 14
0
static int mthrottler_msend(int s, const void *buf, size_t len,
      int64_t deadline) {
    struct mthrottlersock *obj = hdata(s, msock_type);
    dsock_assert(obj->vfptrs.type == mthrottler_type);
    /* If send-throttling is off forward the call. */
    if(obj->send_full == 0) return msend(obj->s, buf, len, deadline);
    /* If there's no quota wait till it is renewed. */
    if(!obj->send_remaining) {
        int rc = msleep(obj->send_last + obj->send_interval);
        if(dsock_slow(rc < 0)) return -1;
        obj->send_remaining = obj->send_full;
        obj->send_last = now();
    }
    /* Send the message. */ 
    int rc = msend(obj->s, buf, len, deadline);
    if(dsock_slow(rc < 0)) return -1;
    --obj->send_remaining;
    return 0;
}
Exemplo n.º 15
0
int		get_width_map(t_all *all)
{
  char		*b;

  b = (char*)bunny_ini_get_field(all->ini, INI_NAME, "width", 0);
  all->width = my_getnbr(b);
  if (all->whoami == 2)
    msend(all->sock, b);
  return (0);
}
Exemplo n.º 16
0
int		get_height_map(t_all *all)
{
  char		*b;

  b = (char*)bunny_ini_get_field(all->ini, INI_NAME, "height", 0);
  all->height = my_getnbr(b);
  if (all->whoami == 2)
    msend(all->sock, b);
  return (0);
}
Exemplo n.º 17
0
Arquivo: ss_2.c Projeto: jddantes/chat
void broadcastSelf(char * data, char * user){
	int len = strlen(data);
	int j;
	for(j = 0; j<=fdmax; j++){
		if(FD_ISSET(j, &master) && j!=listener && ol_list[j]){
			if(user_list[j][0] && !strcmp(user, user_list[j])){
				msend(j, data, len, 0);
			}
		}
	}
}
Exemplo n.º 18
0
Arquivo: ss_2.c Projeto: jddantes/chat
void broadcastOne(char *data){
	int len = strlen(data);
	int j;
	for(j = 0; j<=fdmax; j++){
		if(FD_ISSET(j, &master) && !strcmp(user_list[j], pm_global)){
			msend(j, data, len, 0);		
			//printf("PM-ing to %s\n", pm_global);
			//printf("%s", data); 
		}
	}
}
Exemplo n.º 19
0
void ciCsdSendMsgToServer(int procId, unsigned char *msg, int msglen)
{
	ShmApiMsg *pShmArgs;

	pShmArgs = (ShmApiMsg *) msg;
	pShmArgs->svcId = CiCsdStubSvc_Id;
	pShmArgs->msglen = msglen;
	pShmArgs->procId = procId;

	msend(cicsdstubsockfd, msg, msglen + SHM_HEADER_SIZE, MSOCKET_ATOMIC);
}
Exemplo n.º 20
0
static int mlog_msend(int s, const void *buf, size_t len,
      int64_t deadline) {
    struct mlogsock *obj = hdata(s, msock_type);
    dsock_assert(obj->vfptrs.type == mlog_type);
    fprintf(stderr, "send %8zuB: 0x", len);
    size_t i;
    for(i = 0; i != len; ++i)
        fprintf(stderr, "%02x", (int)((uint8_t*)buf)[i]);
    fprintf(stderr, "\n");
    return msend(obj->s, buf, len, deadline);
}
Exemplo n.º 21
0
/*
 *send AA_DISTANCE to motor,left = vleft,right = vright,设置buf后通过msend发送
 */
void sendAA(int left, int right, int a)
{
    buf[0] = HEAD3;
    buf[1] = left;
    buf[2] = right;
    buf[3] = a;
    buf[4] = AA_DISTANCE;
    msend(buf, 5);
    mylogfd(-1,"<%d,%d>", left, right);
    vleft = left;
    vright = right;
}
Exemplo n.º 22
0
void QTTEST::on_sendEdit_returnPressed() {

    std::string current_locale_text = (ui.sendEdit->text()).toLocal8Bit().constData();
    char *cstr = new char[current_locale_text.length() + 1];
    strcpy(cstr, current_locale_text.c_str());
    char sends[1024]="Server> ";
    strcat(sends,cstr);
    msend(this, sends);
    ui.textBrowser->append(sends); //Changes the text on the Text-label
    ui.sendEdit->setText("");

}
Exemplo n.º 23
0
void pingpong(int n)
{
  int i;
  unsigned int s;
  struct timeval tv;
  mfile *m = mfins(MFSEND);
  mping *p = NULL;
  char buff[MAKUO_HOSTNAME_MAX + 1];

  if(!m){
    lprintf(0, "[error] %s: out of memmory\r\n", __func__);
    return;
  }
  m->mdata.head.reqid  = getrid();
  m->mdata.head.seqno  = 0;
  m->mdata.head.szdata = 0;
  m->sendwait          = 0;
  if(gethostname(buff, sizeof(buff)) == -1){
    buff[0] = 0;
  }
  p = (mping *)(m->mdata.data);
  p->hostnamelen = strlen(buff);
  p->versionlen  = strlen(PACKAGE_VERSION);
  m->mdata.head.szdata = sizeof(mping) + p->hostnamelen + p->versionlen;
  m->mdata.p = p->data;
  memcpy(m->mdata.p, buff, p->hostnamelen);
  m->mdata.p += p->hostnamelen;
  memcpy(m->mdata.p, PACKAGE_VERSION, p->versionlen);
  m->mdata.p += p->versionlen;
  p->hostnamelen = htons(p->hostnamelen);
  p->versionlen  = htons(p->versionlen);
  gettimeofday(&lastpong, NULL);
  switch(n){
    case 0:
      for(i=0;buff[i];i++){
        s += buff[i];
      }
      gettimeofday(&tv,NULL);
      s += tv.tv_usec;
      srand(s);
      m->mdata.head.opcode = MAKUO_OP_PING;
      break;
    case 1:
      m->mdata.head.opcode = MAKUO_OP_PING;
      m->mdata.head.flags |= MAKUO_FLAG_ACK;
      break;
    case 2:
      m->mdata.head.opcode = MAKUO_OP_EXIT;
      msend(m);
      break;
  } 
}
Exemplo n.º 24
0
coroutine void client(void) {
    ipaddr addr;
    int rc = ipaddr_remote(&addr, "127.0.0.1", 5555, 0, -1);
    assert(rc == 0);
    int s = tcp_connect(&addr, -1);
    assert(s >= 0);

    int cs = crlf_start(s);
    assert(cs >= 0);
    rc = msend(cs, "ABC", 3, -1);
    assert(rc == 0);
    char buf[3];
    ssize_t sz = mrecv(cs, buf, 3, -1);
    assert(sz == 3);
    assert(buf[0] == 'G' && buf[1] == 'H' && buf[2] == 'I');
    rc = msend(cs, "DEF", 3, -1);
    assert(rc == 0);
    s = crlf_stop(cs, -1);
    assert(s >= 0);
    rc = hclose(s);
    assert(rc == 0);
}
Exemplo n.º 25
0
void mouse_button(int down,int up,int rep)
{
	if(rep==0)
	{
		msend(0,0,0,rep,down,up);
		if(down&BUTTON1) ms.buttons[map_buttons(BUTTON1)]=button_down;
		if(down&BUTTON2) ms.buttons[map_buttons(BUTTON2)]=button_down;
		if(down&BUTTON3) ms.buttons[map_buttons(BUTTON3)]=button_down;
		if(up&BUTTON1) ms.buttons[map_buttons(BUTTON1)]=button_up;
		if(up&BUTTON2) ms.buttons[map_buttons(BUTTON2)]=button_up;
		if(up&BUTTON3) ms.buttons[map_buttons(BUTTON3)]=button_up;
	}
}
Exemplo n.º 26
0
coroutine void dialogue(int s, int ch) {
    int op = CONN_ESTABLISHED;
    int rc = chsend(ch, &op, sizeof(op), -1);
    assert(rc == 0);
    int64_t deadline = now() + 60000;
    rc = msend(s, "What's your name?", 17, deadline);
    if(rc != 0) goto cleanup;
    char inbuf[256];
    ssize_t sz = mrecv(s, inbuf, sizeof(inbuf), deadline);
    if(sz < 0) goto cleanup;
    inbuf[sz] = 0;
    char outbuf[256];
    rc = snprintf(outbuf, sizeof(outbuf), "Hello, %s!", inbuf);
    rc = msend(s, outbuf, rc, deadline);
    if(rc != 0) goto cleanup;
cleanup:
    op = errno == 0 ? CONN_SUCCEEDED : CONN_FAILED;
    rc = chsend(ch, &op, sizeof(op), -1);
    assert(rc == 0 || errno == ECANCELED);
    rc = hclose(s);
    assert(rc == 0);
}
Exemplo n.º 27
0
Arquivo: msendb.c Projeto: UIKit0/flux
int msendb(uint64_t target, uint8_t port) {
	struct msg *msg;

	msg = aalloc(sizeof(struct msg), PAGESZ);
	if (!msg) return 1;
	msg->source = RP_CONS(getpid(), 0);
	msg->target = target;
	msg->length = 0;
	msg->port   = port;
	msg->arch   = ARCH_NAT;
	
	return msend(msg);
}
Exemplo n.º 28
0
static BT_u32 i2c_master_transfer(BT_HANDLE hI2C, BT_I2C_MESSAGE *msgs, BT_u32 num, BT_ERROR *pError) {

	while(hI2C->pRegs->STATUS & STATUS_BA) {
		BT_ThreadYield();
	}

	if(num > 1) {
		hI2C->bHold = 1;
		hI2C->pRegs->CONTROL |= CONTROL_HOLD;
	} else {
		hI2C->bHold = BT_FALSE;
	}

	BT_u32 count;
	for(count = 0; count < num; count++, msgs++) {
		if(count == (num - 1)) {
			hI2C->bHold = BT_FALSE;
		}

retry:
		hI2C->err_status = 0;
		hI2C->p_msg = msgs;

		if(msgs->flags & BT_I2C_M_TEN) {
			hI2C->pRegs->CONTROL &= ~CONTROL_NEA;
		} else {
			hI2C->pRegs->CONTROL |= CONTROL_NEA;
		}

		if(msgs->flags & BT_I2C_M_RD) {
			mrecv(hI2C);
		} else {
			msend(hI2C);
		}

		// Wait on transfer complete signal.
		BT_kMutexPend(hI2C->pMutex, 0);
		hI2C->pRegs->INT_DISABLE = 0x000002FF;

		if(hI2C->err_status & INT_MASK_ARB_LOST) {
			BT_kPrint("ZYNQ I2C: Lost ownership on bus, trying again...");
			BT_ThreadSleep(2);
			goto retry;
		}
	}

	hI2C->p_msg = NULL;
	hI2C->err_status = 0;

	return num;
}
Exemplo n.º 29
0
void QTTEST::on_beepButton_clicked() {

    char sends[1024]="Server> /beep ";
    std::string pitch_text = (ui.pitchEdit->text()).toLocal8Bit().constData();
    char *cstr = new char[pitch_text.length() + 1];
    strcpy(cstr, pitch_text.c_str());
    std::string length_text = (ui.lengthEdit->text()).toLocal8Bit().constData();
    char *cstr2 = new char[length_text.length() + 1];
    strcpy(cstr2, length_text.c_str());
    strcat(sends, cstr);
    strcat(sends, " ");
    strcat(sends, cstr2);
    msend(sends);
}
Exemplo n.º 30
0
int event(rp_t rp, const char *value) {
	struct msg *msg;

	if (!value) value = "";

	msg = aalloc(sizeof(struct msg) + strlen(value) + 1, PAGESZ);
	if (!msg) return 1;
	msg->source = RP_CONS(getpid(), 0);
	msg->target = rp;
	msg->length = strlen(value) + 1;
	msg->action = ACTION_EVENT;
	msg->arch   = ARCH_NAT;
	strcpy((char*) msg->data, value);

	return msend(msg);
}