Ejemplo n.º 1
0
    bool parse( rt::cstring& in ) {
        in.trim_left();

        if( first_char( in ) != '[' )
            return false;

        in.trim_left( 1 );

        if( !first.parse( in ) )
            return false;

        in.trim_left();

        if( first_char( in ) != ',' )
            return false;

        in.trim_left( 1 );

        if( !second.parse( in ) )
            return false;

        in.trim_left();

        if( first_char( in ) != ']' )
            return false;

        in.trim_left( 1 );

        return true;
    }
Ejemplo n.º 2
0
void followup(player *p,char *str)
{
    char *oldstack,*body,*indent,*scan,*first;
    note *article,*old;
    oldstack=stack;

    old=find_news_article(atoi(str));
    if (!old) {
	sprintf(stack,"No such news article '%s'\n",str);
	stack=end_string(stack);
	tell_player(p,oldstack);
	stack=oldstack;
	return;
    }

    article=create_note();
    if (strstr(old->header,"Re: ")==old->header) 
	strcpy(article->header,old->header);
    else {
	sprintf(stack,"Re: %s",old->header);
	strncpy(article->header,stack,MAX_TITLE-2);
    }
    article->flags |= NEWS_ARTICLE;

    first=first_char(p);
    scan=strstr(first,"followup");
    if (scan && (scan!=first_char(p)) && (*(scan-1)=='a'))
	article->flags |= ANONYMOUS;

    strcpy(article->name,p->name);

    indent=stack;
    get_string(stack,old->text.where);
    stack=end_string(stack);
    body=stack;

    if (old->flags&ANONYMOUS)
	sprintf(stack,"From annonymous article written on %s ...\n",
		convert_time(old->date));
    else sprintf(stack,"On %s, %s wrote ...\n",
		 convert_time(old->date),old->name);
    stack=strchr(stack,0);

    while(*indent) {
	*stack++='>';
	*stack++=' ';
	while(*indent && *indent!='\n') *stack++=*indent++;
	*stack++='\n';
	indent++;
    }
    *stack++='\n';
    *stack++=0;

    tell_player(p,"Please trim article as much as is possible ....\n");
    start_edit(p,MAX_ARTICLE_SIZE,end_post,quit_post,body);
    if (p->edit_info) p->edit_info->misc=(void *)article;
    else FREE(article);
    stack=oldstack;
}
Ejemplo n.º 3
0
static char *next_line(char *buf, int max, char *str)
{
char *c = buf;
int sanity = 0;
int first=1;

  /* Skip current line, and any following comments or blank lines.
   * Return pointer to the next line. Also copy
   * the line to a null-terminated C string because sscanf
   * may perform really poorly on very long strings.
   */

  if (str) *str = 0;

  while (c && (first || (*c == '%'))){

    /* go to end of line */
    while (*c && (*c != '\n') && (sanity++ < max)) c++;

    if ((sanity >= max) || (*c == 0)){
      return NULL;
    }
    first = 0;
    c++;

    /* skip blank lines, and/or initial white space */
    c = first_char(c, max);
  }

  if (str && c){
    make_string(c, str);
  }

  return c;
}
Ejemplo n.º 4
0
    bool parse( rt::cstring& in ) {
        in.trim_left();

        if( first_char( in ) != '(' )
            return false;

        in.trim_left( 1 );
        rt::cstring::size_type pos = in.find( ")" );

        if( pos == rt::cstring::npos )
            return false;
        
        rt::cstring ss( in.begin(), pos );
        pos = ss.find( "," );

        if( pos == rt::cstring::npos )
            return false;

        rt::cstring f( ss.begin(), pos );
        rt::cstring s( ss.begin()+pos+1, ss.end() );

        f.trim();
        s.trim();

        try {
            first  = boost::lexical_cast<int>( f );
            second = boost::lexical_cast<int>( s );
        }
        catch( boost::bad_lexical_cast const& ) {
            return false;
        }

        in.trim_left( ss.end()+1 );
        return true;
    }
Ejemplo n.º 5
0
int process_tex_file (const char *fname)
{
    FILE *fp;

    fp = fopen(fname, "r");
    if (fp == NULL) {
	fprintf(stderr, "couldn't open %s\n", fname);
	return 1;
    }

    while (fgets(line, sizeof line, fp)) {
	if (strstr(line, START)) {
	    printf("\n\n# %s", line);
	    while (fgets(line, sizeof line, fp)) {
		if (strstr(line, END)) {
		    printf("# %s", line);
		    break;
		} else if (first_char(line) == '\\') {
		    printf("# %s", line);
		} else {
		    fputs(line, stdout);
		}
	    }
	}
    }

    fclose(fp);
	
    return 0;
}
Ejemplo n.º 6
0
 void send_letter(player *p,char *str)
 {
   note *mail;
   char *subject,*scan,*first;
   int length;

   if (posted_count(p)>=p->max_mail) {
     tell_player(p,"Sorry, you have reached your mail limit.\n");
     return;
   }

   subject=next_space(str);

   if (!*subject) {
     tell_player(p,"Format: post <character(s)> <subject>\n");
     return;
   }

   *subject++=0;

   mail=create_note();

   first=first_char(p);
   scan=strstr(first,"post");
   if (scan && (scan!=first_char(p)) && (*(scan-1)=='a'))
     mail->flags |= ANONYMOUS;

   strcpy(mail->name,p->name);
   strncpy(mail->header,subject,MAX_TITLE-2);

   tell_player(p,"Enter main text of the letter...\n");
   *stack=0;	
   start_edit(p,MAX_ARTICLE_SIZE,end_mail,quit_mail,stack);
   if (p->edit_info) {
     p->edit_info->misc=(void *)mail;
     length=strlen(str)+1;
     mail->text.where=(char *)MALLOC(length);
     memcpy(mail->text.where,str,length);
   }
   else FREE(mail);
 }
Ejemplo n.º 7
0
void post_news(player *p,char *str)
{
    note *article;
    char *scan,*first;
    if (!*str) {
	tell_player(p,"Format: post <header>\n");
	return;
    }
    article=create_note();
    strncpy(article->header,str,MAX_TITLE-2);
    article->flags |= NEWS_ARTICLE;
    first=first_char(p);
    scan=strstr(first,"post");
    if (scan && (scan!=first_char(p)) && (*(scan-1)=='a'))
	article->flags |= ANONYMOUS;
    strcpy(article->name,p->name);
    tell_player(p,"Now enter the main body text for the article.\n");
    *stack=0;
    start_edit(p,MAX_ARTICLE_SIZE,end_post,quit_post,stack);
    if (p->edit_info) p->edit_info->misc=(void *)article;
    else FREE(article);
}
Ejemplo n.º 8
0
    bool parse( rt::cstring& in ) {
        in.trim_left();

        if( first_char( in ) != '[' )
            return false;

        in.trim_left( 1 );

        if( !first.parse( in ) )
            return false;

        in.trim_left();

        if( first_char( in ) != ','  )
            return false;

        in.trim_left( 1 );

        rt::cstring::size_type pos = in.find( "]" );

        if( pos == rt::cstring::npos )
            return false;

        rt::cstring ss( in.begin(), pos );
        ss.trim();

        try {
            second = boost::lexical_cast<int>( ss );
        }
        catch( boost::bad_lexical_cast const& ) {
            return false;
        }

        in.trim_left( pos+1 );

        return true;
    }
Ejemplo n.º 9
0
int main(int argc, char **argv) {
    int shmfd,
        shm_seg_size = sizeof(struct msg);
    struct msg *shm_msg;
    
    char buff[MAX_MSG_LENGTH];
    
    sem_t *semfd; // semaphore file descriptor
    
    // open named semaphore
    semfd = sem_open(SEM_PATH, O_RDWR, S_IRWXU | S_IRWXG, 0);
    if(semfd == SEM_FAILED)
        error("sem_open()");

    // open shared memory
    shmfd = shm_open(SHM_PATH, O_RDWR, S_IRWXU | S_IRWXG);
    if(shmfd < 0)
        error("shm_open()");

    // map shared memory to address space
    shm_msg = (struct msg *) mmap(NULL, shm_seg_size, PROT_READ | PROT_WRITE, MAP_SHARED, shmfd, 0);
    if(shm_msg == NULL)
        error("mmap()");
    
    pid_t pid;
    pid = getpid();
    
    user *usr = new_user(pid, "",""); // this user
    strncpy(usr->channel, "all", 3);;
    
    pid_t fid = fork();

    // input handling
    if(fid > 0) {
        // register client
        sem_wait(semfd);

        shm_msg->read = '_';
        shm_msg->pid = pid;
        shm_msg->type = TYPE_CLIENT_MSG;
        strncpy(shm_msg->cmd, "reg", MAX_CMD_LENGTH);

        sem_post(semfd);

        // get input line by line
        while(getLine("", buff, sizeof(buff)) == IN_OK) {
            while(shm_msg->read && shm_msg->read == '_') sleep(1);

            if(!shm_msg->read || shm_msg->read == '!') {
                sem_wait(semfd);

                shm_msg->pid = pid;
                shm_msg->type = TYPE_CLIENT_MSG;

                shm_msg->read = '_';
                
                if(first_char(buff) == '/') {
                    cmd(buff, shm_msg->cmd);
                    remove_cmd(buff);
                } else {
                    snprintf(shm_msg->cmd, MAX_CMD_LENGTH, "msg");
                }
                
                snprintf(shm_msg->content, MAX_MSG_LENGTH, "%s", buff);
            }
        }
    // reponse handling
    } else {
        while(1) {
            fflush(stdout); fflush(stdin);
            if(shm_msg->read == '*') {
                if(strncmp("resp", shm_msg->cmd, 4) == 0 && shm_msg->pid == pid && shm_msg->type == TYPE_SERVER_MSG) {
                    printf("\n");
                    printf("response: %s\n", shm_msg->content);
                    
                    shm_msg->read = '!';

                    char CMD[MAX_MSG_LENGTH];
                    cmd(shm_msg->content, CMD);
                    remove_cmd(shm_msg->content);

                    if(strncmp(CMD, "join", 4) == 0) {
                        strncpy(usr->channel, shm_msg->content, MAX_CHAN_LEN);
                    } else if(strncmp(CMD, "name", 4) == 0) {
                        strncpy(usr->name, shm_msg->content, MAX_NAME_LEN);
                    }
                    
                    sem_post(semfd);
                } else if(strncmp("pm", shm_msg->cmd, 2) == 0 && shm_msg->pid == pid && shm_msg->type == TYPE_CLIENT_MSG) {
                    printf("[PM -> %d] %s: %s\n", shm_msg->pid, shm_msg->from, shm_msg->content);
                    shm_msg->read = '!';
                } else if(strncmp("msg", shm_msg->cmd, 3) == 0) {
                    if((strncmp(shm_msg->channel, usr->channel, MAX_CHAN_LEN) == 0) && shm_msg->pid != pid && shm_msg->read != '!') {
                        printf("[#%s] <%s> ", shm_msg->channel, shm_msg->from);
                        printf("%s\n", shm_msg->content);
                        shm_msg->read = '!';
                    }
                }
            }
        }
    }
    
    return EXIT_SUCCESS;
}
Ejemplo n.º 10
0
 void reply_article(player *p,char *str)
 {
   note *mail,*old;
   char *indent,*body,*oldstack,*scan,*first;
   int length;

   oldstack=stack;

   if (!*str) {
     tell_player(p,"Format: reply <no>\n");
     return;
   }
   if (posted_count(p)>=p->max_mail) {
     tell_player(p,"Sorry, you have reached your mail limit.\n");
     return;
   }
   if (!p->saved) {
     tell_player(p,"Eeek, no saved bits.\n");
     return;
   }
   old=find_news_article(atoi(str));
   if (!old) {
     sprintf(stack,"Can't find letter '%s'\n",str);
     stack=end_string(stack);
     tell_player(p,oldstack);
     stack=oldstack;
     return;
   }
   mail=create_note();

   first=first_char(p);
   scan=strstr(first,"reply");
   if (scan && (scan!=first_char(p)) && (*(scan-1)=='a'))
     mail->flags |= ANONYMOUS;

   if (old->flags&ANONYMOUS) mail->flags |= SUPRESS_NAME;
   strcpy(mail->name,p->name);

   if (strstr(old->header,"Re: ")==old->header) 
     strcpy(mail->header,old->header);
   else {
     sprintf(stack,"Re: %s",old->header);
     strncpy(mail->header,stack,MAX_TITLE-2);
   }

   indent=stack;
   get_string(stack,old->text.where);
   stack=end_string(stack);
   body=stack;

   sprintf(stack,"In your article '%s' you wrote ...\n",old->header);
   stack=strchr(stack,0);

   while(*indent) {
     *stack++='>';
     *stack++=' ';
     while(*indent && *indent!='\n') *stack++=*indent++;
     *stack++='\n';
     indent++;
   }
   *stack++='\n';
   *stack++=0;

   tell_player(p,"Please trim letter as much as possible...\n");
   start_edit(p,MAX_ARTICLE_SIZE,end_mail,quit_mail,body);
   if (p->edit_info) {
     p->edit_info->misc=(void *)mail;
     length=strlen(old->name)+1;
     mail->text.where=(char *)MALLOC(length);
     memcpy(mail->text.where,old->name,length);
   }
   else FREE(mail);
   stack=oldstack;
 }
Ejemplo n.º 11
0
// Copied from mtcp/mtcp_restart.c.
// Let's keep this code close to MTCP code to avoid maintenance problems.
// MTCP code in:  mtcp/mtcp_restart.c:open_ckpt_to_read()
// A previous version tried to replace this with popen, causing a regression:
//   (no call to pclose, and possibility of using a wrong fd).
// Returns fd; sets ext_decomp_pid, if checkpoint was compressed.
static int open_ckpt_to_read(const char *filename)
{
    int fd;
    int fds[2];
    char fc;
    const char *decomp_path;
    const char **decomp_args;
    const char *gzip_path = "gzip";
    static const char * gzip_args[] = { "gzip", "-d", "-", NULL };
#ifdef HBICT_DELTACOMP
    const char *hbict_path = "hbict";
    static const char *hbict_args[] = { "hbict", "-r", NULL };
#endif
    pid_t cpid;

    fc = first_char(filename);
    fd = open(filename, O_RDONLY);
    JASSERT(fd>=0)(filename).Text("Failed to open file.");

    if(fc == DMTCP_MAGIC_FIRST) /* no compression */
        return fd;
#ifdef HBICT_DELTACOMP
    else if (fc == GZIP_FIRST || fc == HBICT_FIRST){ /* External compression */
#else
    else if(fc == GZIP_FIRST){ /* gzip */
#endif
        if( fc == GZIP_FIRST ){
          decomp_path = gzip_path;
          decomp_args = gzip_args;
        }
#ifdef HBICT_DELTACOMP
        else{
          decomp_path = hbict_path;
          decomp_args = hbict_args;
        }
#endif

        JASSERT(pipe(fds) != -1)(filename).Text("Cannot create pipe to execute gunzip to decompress checkpoint file!");

        cpid = _real_fork();

        JASSERT(cpid != -1).Text("ERROR: Cannot fork to execute gunzip to decompress checkpoint file!");
        if(cpid > 0) /* parent process */
        {
           JTRACE ( "created child process to uncompress checkpoint file")(cpid);
            ext_decomp_pid = cpid;
            close(fd);
            close(fds[1]);
            return fds[0];
        }
        else /* child process */
        {
           JTRACE ( "child process, will exec into external de-compressor");
            fd = dup(dup(dup(fd)));
            fds[1] = dup(fds[1]);
            close(fds[0]);
            JASSERT(fd != -1);
            JASSERT(dup2(fd, STDIN_FILENO) == STDIN_FILENO);
            close(fd);
            JASSERT(dup2(fds[1], STDOUT_FILENO) == STDOUT_FILENO);
            close(fds[1]);
            _real_execvp(decomp_path, (char **)decomp_args);
            JASSERT(decomp_path!=NULL)(decomp_path).Text("Failed to launch gzip.");
            /* should not get here */
            JASSERT(false)("ERROR: Decompression failed!  No restoration will be performed!  Cancelling now!");
            abort();
        }
    } else /* invalid magic number */
        JASSERT(false).Text("ERROR: Invalid magic number in this checkpoint file!");
    // NOT_REACHED
    return -1;
}

// See comments above for open_ckpt_to_read()
int dmtcp::CkptSerializer::openDmtcpCheckpointFile(const dmtcp::string& path){
  // Function also sets dmtcp::ext_decomp_pid::ConnectionToFds
  int fd = open_ckpt_to_read( path.c_str() );
  // The rest of this function is for compatibility with original definition.
  JASSERT(fd>=0)(path).Text("Failed to open file.");
  char buf[512];
  const int len = strlen(DMTCP_FILE_HEADER);
  JASSERT(_real_read(fd, buf, len)==len)(path).Text("_real_read() failed");
  if(strncmp(buf, DMTCP_FILE_HEADER, len)==0){
    JTRACE("opened checkpoint file [uncompressed]")(path);
  }else{
    close_ckpt_to_read(fd);
    fd = open_ckpt_to_read( path.c_str() ); /* Re-open from beginning */
  }
  return fd;
}
Ejemplo n.º 12
0
static int process_mtxp_file(PARIO_INFO_PTR pio_info,
  char *filebuf, int fsize,
  int nprocs, int myrank,
  int *nGlobalEdges, int *nGlobalVtxs, int *vtxWDim, int *edgeWDim,
  int *nMyPins, int **myPinI, int **myPinJ,
  int *nMyVtx, int **myVtxNum, float **myVtxWgts,
  int *nMyEdgeWgts, int **myEdgeNum, float **myEdgeWgts)
{
int nedges, nvtxs, npins, vdim, edim, numew, nFileProcs;
int countMyVtxs, countMyEdges, countMyPins;
int proc, mine, nextpin, rc;
int eid, vid, i, j;
int mineid = -1, minvid = 0, maxeid = -1, maxvid = -1, numeids, numvids;
int nexte, nextv, nDistProcs;
int myminPin, mymaxPin, myminVtx, mymaxVtx, myshare, share;
float pinVal;
int *myi, *myj, *myvno, *myeno;
char *line, *token, *linestr, *pinBuf, *vwgtBuf, *ewgtBuf;
float *myvwgt, *myewgt;
char cmesg[256];

  *nGlobalEdges = *nGlobalVtxs = *nMyPins = 0;
  *nMyVtx = *nMyEdgeWgts = *vtxWDim = *edgeWDim = 0;
  *myPinI = *myPinJ = *myVtxNum = *myEdgeNum = NULL;
  *myVtxWgts = *myEdgeWgts = NULL;

  linestr = (char *)malloc(MATRIX_MARKET_MAX_LINE+1);
  if (!linestr){
    sprintf(cmesg, "memory allocation\n");
    Gen_Error(0, cmesg);
    return 0;
  }

  line = first_char(filebuf, fsize);
  if (line && (*line == '%')){
    line = next_line(filebuf, fsize, linestr);  /* skip comments & blanks */
  }

  if (!line){
    sprintf(cmesg, "Truncated file\n");
    Gen_Error(0, cmesg);
    return 0;
  }

  rc = sscanf(linestr, "%d %d %d %d %d %d %d",
	    &nedges, &nvtxs, &npins, &nFileProcs,
	    &vdim, &numew, &edim);

  if (rc != 7){
    sprintf(cmesg, "%s\nFirst line should have 7 values in it\n",linestr);
    Gen_Error(0, cmesg);
    return 0;
  }

  myminPin = mymaxPin = -1;
  myminVtx = mymaxVtx = -1;
  if ((pio_info->init_dist_procs > 0) &&
      (pio_info->init_dist_procs < nprocs)){
    nDistProcs = pio_info->init_dist_procs;
  }
  else{
    nDistProcs = nprocs;
  }
  if (pio_info->init_dist_type == INITIAL_LINEAR){ /* vertex distribution */
    if (myrank < nDistProcs){
      share = nvtxs / nDistProcs;
      i = nvtxs - (nDistProcs * share);
      myshare = ((myrank < i) ? share+1 : share);
      myminVtx = myrank * myshare;
      if (myrank >= i) myminVtx += i;
      mymaxVtx = myminVtx + myshare - 1;
    }
  }
  if (pio_info->init_dist_pins == INITIAL_LINEAR){ /* pin distribution */
    share = npins / nprocs;
    i = npins - (nprocs * share);
    myshare = ((myrank < i) ? share+1 : share);
    myminPin = myrank * myshare;
    if (myrank >= i) myminPin += i;
    mymaxPin = myminPin + myshare - 1;
  }

  myvno = myeno = myi = myj = NULL;
  myewgt = myvwgt = NULL;
  pinBuf = vwgtBuf = ewgtBuf = NULL;

  /* Read through the pins, vertex weights and edge weights.
   * Accumulate all vertex and edge IDs, and map these to
   * consecutive global numbers beginning with zero.
   *
   * Also count my pins, my vertices, and the number of edges
   * for which I provide weights.
   */

  countMyPins = 0;
  countMyVtxs = 0;
  countMyEdges = 0;
  nexte = nextv = 0;

  for (i=0; i<npins; i++){           /* PINS */
    line = next_line(line, fsize, linestr);

    if (!line){
      if (myrank == 0) printf("File is truncated in pins\n");
      goto failure;
    }
    if (!i) pinBuf = line;

    rc = sscanf(linestr, "%d %d %f %d", &eid, &vid, &pinVal, &proc);
    if ((rc != 4) || (eid < 1) || (eid > nedges) ||
	(vid < 1) || (vid > nvtxs) || (proc < 0) || (proc >= nFileProcs)){
      sprintf(cmesg,"%s\nlooking for \"edge vertex pin process\"\n",linestr);
      Gen_Error(0, cmesg);
      goto failure;
    }

    eid -= 1;
    vid -= 1;

    mine = my_pin(eid, vid, proc, i, npins,
		  myminPin, mymaxPin, myrank, nprocs, pio_info);

    if (i){  /* should get rid of this, IDs are always 1 ... N */
      if (eid < mineid) mineid = eid;
      if (vid < minvid) minvid = vid;
      if (eid > maxeid) maxeid = eid;
      if (vid > maxvid) maxvid = vid;
    }
    else{
      mineid = maxeid = eid;
      minvid = maxvid = vid;
    }

    if (mine){
      countMyPins++;
    }
  }

  if (npins)
    numeids = maxeid - mineid + 1;
  else
    numeids = nedges;

  for (i=0; i<nvtxs; i++){        /* VERTICES and possibly WEIGHTS */
    line = next_line(line, fsize, linestr);

    if (!line){
      sprintf(cmesg,"File is truncated at vertex weights\n");
      Gen_Error(0, cmesg);
      goto failure;
    }
    if (!i) vwgtBuf = line;

    rc = sscanf(linestr, "%d", &vid);
    token = get_token(linestr, vdim + 1, strlen(linestr));
    if (token) proc = atoi(token);
    if ((rc != 1) || !token ||
	 (vid < 1) || (vid > nvtxs) || (proc < 0) || (proc >= nFileProcs)){
      sprintf(cmesg,
      "%s\nlooking for \"vertex {optional weights} process\"\n",linestr);
      Gen_Error(0, cmesg);
      goto failure;
    }

    vid -= 1;

    if (i) {
      if (vid < minvid) minvid = vid;
      if (vid > maxvid) maxvid = vid;
    }
    else
      minvid = maxvid = vid;

    mine = my_vtx(proc, i, myminVtx, mymaxVtx, myrank, nDistProcs, pio_info);

    if (mine){
      countMyVtxs++;
    }
  }

  numvids = maxvid - minvid + 1;

  if (numew > 0){                      /* HYPEREDGE WEIGHTS */
    for (i=0; i<numew; i++){
      line = next_line(line, fsize, linestr);

      if (!line){  /* error */
	sprintf(cmesg,"File is truncated at edge weights\n");
	Gen_Error(0, cmesg);
	goto failure;
      }

      if (!i) ewgtBuf = line;

      rc = sscanf(linestr, "%d", &eid);
      token = get_token(linestr, edim + 1, strlen(linestr));
      if (token) proc = atoi(token);
      if ((rc != 1) || !token ||
	  (eid < 1) || (eid > nedges) || (proc < 0) || (proc >= nFileProcs)){
	sprintf(cmesg,
	"%s\nlooking for \"edge {optional weights} process\"\n",linestr);
	Gen_Error(0, cmesg);
	goto failure;
      }
      proc = atoi(token);

      eid -= 1;

      if (eid < mineid) mineid = eid;
      if (eid > maxeid) maxeid = eid;

      if (rc < 0){
	sprintf(cmesg,"File has more than %d edge IDs\n",nedges);
	Gen_Error(0, cmesg);
	goto failure;
      }

      if ((proc % nprocs) == myrank){
	countMyEdges++;
      }
    }
  }

  if (numew)
    numeids = maxeid - mineid + 1;
  else
    numeids = nedges;

  rc = 1;

  if (numeids != nedges){
    sprintf(cmesg,"found range of %d edges (not %d expected) in file\n",
	    numeids,nedges);
    rc = 0;
  }
  else if (numvids != nvtxs){
    sprintf(cmesg,"found range of %d vertices (not %d expected) in file\n",
	    numvids,nvtxs);
    rc = 0;
  }
  if (!rc){
    Gen_Error(0, cmesg);
    goto failure;
  }

  /* Start over at beginning of file and save my pins, and weights */

  if (countMyPins > 0){
    myi = (int *)malloc(sizeof(int) * countMyPins);
    myj = (int *)malloc(sizeof(int) * countMyPins);
    if (!myi || !myj){
      sprintf(cmesg,"memory allocation\n");
      Gen_Error(0, cmesg);
      goto failure;
    }
    nextpin = 0;

    make_string(pinBuf, linestr);
    line = pinBuf;

    for (i=0; i<npins; i++){

      sscanf(linestr, "%d %d %f %d", &eid, &vid, &pinVal, &proc);

      eid -= 1;
      vid -= 1;
      mine = my_pin(eid, vid, proc, i, npins,
		  myminPin, mymaxPin, myrank, nprocs, pio_info);

      if (mine){
	myi[nextpin] = eid - mineid;
	myj[nextpin] = vid - minvid;
	nextpin++;
      }
      line = next_line(line, fsize, linestr);
    }
  }

  if (countMyVtxs){

    myvno = (int *)malloc(sizeof(int) * countMyVtxs);
    if (vdim > 0){
      myvwgt = (float *)malloc(sizeof(float) * countMyVtxs * vdim);
    }
    if (!myvno || (vdim && !myvwgt)){
      sprintf(cmesg,"memory allocation\n");
      Gen_Error(0, cmesg);
      goto failure;
    }
    nextv = 0;

    make_string(vwgtBuf, linestr);
    line = vwgtBuf;

    for (i=0; i<nvtxs; i++){
      sscanf(linestr, "%d", &vid);
      token = get_token(linestr, vdim + 1, strlen(linestr));
      proc = atoi(token);
      vid -= 1;
      mine = my_vtx(proc, i, myminVtx, mymaxVtx, myrank, nDistProcs, pio_info);
      if (mine){
	myvno[nextv] = vid - minvid;
	for (j=0; j<vdim; j++){
	  token = get_token(linestr, 1 + j, strlen(linestr));
	  if (!token){
	    sprintf(cmesg,"%s\nCan't find %d vertex weights\n",linestr,vdim);
	    Gen_Error(0, cmesg);
	    goto failure;
	  }
	  myvwgt[nextv*vdim + j] = (float)atof(token);
	}
	nextv++;
      }
      line = next_line(line, fsize, linestr);
    }
  }

  if (countMyEdges > 0){
    myeno = (int *)malloc(sizeof(int) * countMyEdges);
    myewgt = (float *)malloc(sizeof(float) * countMyEdges * edim);
    if (!myeno || !myewgt){
      sprintf(cmesg,"memory allocation\n");
      Gen_Error(0, cmesg);
      goto failure;
    }
    nexte = 0;

    make_string(ewgtBuf, linestr);
    line = ewgtBuf;

    for (i=0; i<numew; i++){
      sscanf(linestr, "%d", &eid);
      token = get_token(linestr, edim + 1, strlen(linestr));
      proc = atoi(token);
      eid -= 1;
      if ((proc % nprocs) == myrank){
	myeno[nexte] = eid - mineid;
	for (j=0; j<edim; j++){
	  token = get_token(linestr, 1 + j, strlen(linestr));
	  if (!token){
	    sprintf(cmesg,"%s\nCan't find %d edge weights\n",linestr,edim);
	    Gen_Error(0, cmesg);
	    goto failure;
	  }
	  myewgt[nexte*edim + j] = (float)atof(token);
	}
	nexte++;
      }
      line = next_line(line, fsize, linestr);
    }
  }

  rc = 1;   /* success */
  goto done;

failure:
  if (myvno) free(myvno);
  if (myvwgt) free(myvwgt);
  if (myeno) free(myeno);
  if (myewgt) free(myewgt);
  if (myi) free(myi);
  if (myj) free(myj);
  nedges = nvtxs = vdim = edim = 0;
  countMyPins = countMyVtxs = countMyEdges = 0;
  rc = 0;

done:
  free(linestr);

  *nGlobalEdges = nedges;
  *nGlobalVtxs = nvtxs;
  *vtxWDim = vdim;
  *edgeWDim = edim;

  *nMyPins = countMyPins;
  *myPinI  = myi;
  *myPinJ  = myj;

  *nMyVtx = countMyVtxs;
  *myVtxNum = myvno;
  *myVtxWgts = myvwgt;

  *nMyEdgeWgts = countMyEdges;
  *myEdgeNum = myeno;
  *myEdgeWgts = myewgt;

  return rc;
}
Ejemplo n.º 13
0
// Copied from mtcp/mtcp_restart.c.
// Let's keep this code close to MTCP code to avoid maintenance problems.
// MTCP code in:  mtcp/mtcp_restart.c:open_ckpt_to_read()
// A previous version tried to replace this with popen, causing a regression:
//   (no call to pclose, and possibility of using a wrong fd).
// Returns fd; sets ext_decomp_pid, if checkpoint was compressed.
static int open_ckpt_to_read(const char *filename)
{
  int fd;
  int fds[2];
  char fc;
  const char *decomp_path;
  const char **decomp_args;
  const char *gzip_path = "gzip";
  static const char * gzip_args[] = { "gzip", "-d", "-", NULL };
#ifdef HBICT_DELTACOMP
  const char *hbict_path = "hbict";
  static const char *hbict_args[] = { "hbict", "-r", NULL };
#endif
  pid_t cpid;

  fc = first_char(filename);
  fd = open(filename, O_RDONLY);
  JASSERT(fd>=0)(filename).Text("Failed to open file.");

  if (fc == DMTCP_MAGIC_FIRST) { /* no compression */
    return fd;
  }
  else if (fc == GZIP_FIRST
#ifdef HBICT_DELTACOMP
           || fc == HBICT_FIRST
#endif
          ) {
    if (fc == GZIP_FIRST) {
      decomp_path = gzip_path;
      decomp_args = gzip_args;
    }
#ifdef HBICT_DELTACOMP
    else {
      decomp_path = hbict_path;
      decomp_args = hbict_args;
    }
#endif

    JASSERT(pipe(fds) != -1) (filename)
      .Text("Cannot create pipe to execute gunzip to decompress ckpt file!");

    cpid = _real_fork();

    JASSERT(cpid != -1)
      .Text("ERROR: Cannot fork to execute gunzip to decompress ckpt file!");
    if (cpid > 0) { /* parent process */
      JTRACE("created child process to uncompress checkpoint file") (cpid);
      ext_decomp_pid = cpid;
      close(fd);
      close(fds[1]);
      return fds[0];
    } else { /* child process */
      JTRACE ( "child process, will exec into external de-compressor");
      fd = dup(dup(dup(fd)));
      fds[1] = dup(fds[1]);
      close(fds[0]);
      JASSERT(fd != -1);
      JASSERT(dup2(fd, STDIN_FILENO) == STDIN_FILENO);
      close(fd);
      JASSERT(dup2(fds[1], STDOUT_FILENO) == STDOUT_FILENO);
      close(fds[1]);
      _real_execvp(decomp_path, (char **)decomp_args);
      JASSERT(decomp_path!=NULL) (decomp_path)
        .Text("Failed to launch gzip.");
      /* should not get here */
      JASSERT(false)
        .Text("Decompression failed!  No restoration will be performed!");
    }
  } else { /* invalid magic number */
    JASSERT(false)
      .Text("ERROR: Invalid magic number in this checkpoint file!");
  }
  return -1;
}
Ejemplo n.º 14
0
/**
 * Sends the HTTP Response along with the web
 * content to the socket file descriptor.
 *
 * @param fileToSend: location of file to display to client
 * @param sock: Socket file descriptor
 * @param home: 
 * @param content:
 * @param response: Holds information regarding HTTP request
 */
void SendDataBin(char *fileToSend, int sock, char *home, 
		char *content, HTTP_Response *response) {
    
	char *fullPathToFile; //[256];
	char Header[1024];
	char buffer[256];
	char *endChar;
	int size;

	bzero(Header, sizeof(Header));

	/*
	 * Build the full path to the file
	 */

	bool hasSlash;
	if ((last_char(content) == "/") || (first_char(fileToSend) == '/'))
		hasSlash = TRUE;
	else
		hasSlash = FALSE;
	
	size = strlen(home) + strlen(content) + strlen(fileToSend);
	if (hasSlash)
	{
		size += 2;
		fullPathToFile = malloc(size);
		sprintf(fullPathToFile, "%s/%s%s", home, content, fileToSend);
	}	
	else
	{
		size += 3;
		fullPathToFile = malloc(size);
		sprintf(fullPathToFile, "%s/%s/%s", home, content, fileToSend);
	}
	//int file_open = open(fullPathToFile, O_RDONLY);
	int fileType = TypeOfFile(fullPathToFile);

	printf("Filetype: %d\n", fileType);

	if ((fileType == FILE_NOT_FOUND) || (fileType == ERROR_FILE))
	{
		//Requested page not available.
		bzero(fullPathToFile, strlen(fullPathToFile));
		size = strlen(home) + strlen(content);

		if (last_char(content) == "/")
		{
			size += 16;
			fullPathToFile = realloc(fullPathToFile, size);
			sprintf(fullPathToFile, "%s/%snot_found.html", home, content);
		}
		else
		{
			size += 17;
			fullPathToFile = realloc(fullPathToFile, size);
			sprintf(fullPathToFile, "%s/%s/not_found.html", home, content);
		}
	}
	else if (fileType == DIRECTORY)
	{
		//Append index.html
		size += 10;
		fullPathToFile = realloc(fullPathToFile, size);
		strcat(fullPathToFile, "index.html");
	}
	
	printf("File to open: %s\n", fullPathToFile);
	int file_open;
	FILE *file_fd = NULL;

	if (fileType == EXECUTABLE_FILE)
	{
		if ((file_fd = popen(fullPathToFile, "r")) == NULL) 
		{
			perror("popen");
			exit(-1);
		}

		file_open = fileno(file_fd);  //Convert from FILE to file descriptor integer
	}
	else
	{
		file_open = open(fullPathToFile, O_RDONLY);
	}

	if (file_open < 0)
	{
		perror("Open file error");
		exit(-1);
	}

	long unsigned filesize  = lseek(file_open, (off_t)0, SEEK_END);
	lseek(file_open, (off_t)0, SEEK_SET); //Set back to starting position
	
	setupHeader(Header, response, filesize);

	printf("\nHeader:\n%s\n\n", Header);	

	/*
	 * Send the header, open the requested file.
	 * Send requested file, close file.
	 */

	printf("file: %s\n", fullPathToFile);
	write(sock, Header, strlen(Header));

	// If request was for HEAD, do not send the body information
	if (strncmp(response -> HTTP_Type, "HEAD", 4) == 0)
	{
		free (fullPathToFile);
		fullPathToFile = NULL;
		return;
	}


	bzero(buffer, sizeof(buffer));
	while (read(file_open, buffer, sizeof(buffer)) > 0)
	{
		write(sock, buffer, sizeof(buffer));
		bzero(buffer, sizeof(buffer));
	}
	
	if (fileType == EXECUTABLE_FILE)
		pclose(file_fd);
	else
		close(file_open);

	// Deallocate allocated pointers
	free (fullPathToFile);
	fullPathToFile = NULL;
}
Ejemplo n.º 15
0
/**
 * This function will open the checkpoint file stored at the given filename.
 * It will check the magic number and take the appropriate action.  If the
 * magic number is unknown, we will abort.  The fd returned points to the
 * beginning of the uncompressed data.
 * NOTE: related code in ../dmtcp/src/connectionmanager.cpp:open_ckpt_to_read()
 *
 * @param filename the name of the checkpoint file
 * @return the fd to use
 */
static int open_ckpt_to_read(char *filename, char *envp[])
{
  int fd;
  int fds[2];
  char fc;
  char *gzip_cmd = "gzip";
  static char *gzip_args[] = { "gzip", "-d", "-", NULL };
#ifdef HBICT_DELTACOMP
  char *hbict_cmd = "hbict";
  static char *hbict_args[] = { "hbict", "-r", NULL };
#endif
  char decomp_path[PATH_MAX];
  static char **decomp_args;
  pid_t cpid;

  fc = first_char(filename);
  fd = mtcp_sys_open(filename, O_RDONLY, 0);
  if(fd < 0) {
    MTCP_PRINTF("ERROR: Cannot open checkpoint file %s\n", filename);
    mtcp_abort();
  }

  if (fc == MAGIC_FIRST || fc == 'D') /* no compression ('D' from DMTCP) */
    return fd;
  else if (fc == GZIP_FIRST
#ifdef HBICT_DELTACOMP
           || fc == HBICT_FIRST
#endif
          ) { /* Set prog_path */
    if( fc == GZIP_FIRST ){
      decomp_args = gzip_args;
      if( mtcp_find_executable(gzip_cmd, getenv("PATH"),
                               decomp_path) == NULL ) {
        MTCP_PRINTF("ERROR: Cannot find gunzip to decompress ckpt file!\n");
        mtcp_abort();
      }
    }
#ifdef HBICT_DELTACOMP
    if( fc == HBICT_FIRST ){
      decomp_args = hbict_args;
      if( mtcp_find_executable(hbict_cmd, getenv("PATH"),
                              decomp_path) == NULL ) {
        MTCP_PRINTF("ERROR: Cannot find hbict to decompress ckpt file!\n");
        mtcp_abort();
      }
    }
#endif
    if (mtcp_sys_pipe(fds) == -1) {
      MTCP_PRINTF("ERROR: Cannot create pipe to execute gunzip to decompress"
                  " checkpoint file!\n");
      mtcp_abort();
    }

    cpid = mtcp_sys_fork();

    if(cpid == -1) {
      MTCP_PRINTF("ERROR: Cannot fork to execute gunzip to decompress"
                  " checkpoint file!\n");
      mtcp_abort();
    }
    else if(cpid > 0) /* parent process */ {
      decomp_child_pid = cpid;
      mtcp_sys_close(fd);
      mtcp_sys_close(fds[1]);
      return fds[0];
    }
    else /* child process */ {
      fd = mtcp_sys_dup(mtcp_sys_dup(mtcp_sys_dup(fd)));
      if (fd == -1) {
        MTCP_PRINTF("ERROR: dup() failed!  No restoration will be performed!"
                    " Cancel now!\n");
        mtcp_abort();
      }
      fds[1] = mtcp_sys_dup(fds[1]);
      mtcp_sys_close(fds[0]);
      if (mtcp_sys_dup2(fd, STDIN_FILENO) != STDIN_FILENO) {
        MTCP_PRINTF("ERROR: dup2() failed!  No restoration will be performed!"
                    " Cancel now!\n");
        mtcp_abort();
      }
      mtcp_sys_close(fd);
      mtcp_sys_dup2(fds[1], STDOUT_FILENO);
      mtcp_sys_close(fds[1]);
      mtcp_sys_execve(decomp_path, decomp_args, envp);
      /* should not get here */
      MTCP_PRINTF("ERROR: Decompression failed!  No restoration will be"
                  " performed!  Cancel now!\n");
      mtcp_abort();
    }
  }
  else /* invalid magic number */ {
    MTCP_PRINTF("ERROR: Invalid magic number in this checkpoint file!\n");
    mtcp_abort();
  }
}