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fgolf |
1.1 |
// $Id: goodrun.cc,v 1.1 2010/08/29 01:07:18 fgolf Exp $
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// CINT is allowed to see this, but nothing else:
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bool goodrun (unsigned int run, unsigned int lumi_block);
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bool goodrun_json (unsigned int run, unsigned int lumi_block);
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void set_goodrun_file (const char* filename);
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void set_goodrun_file_json (const char* filename);
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#ifndef __CINT__
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <set>
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#include <string>
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enum file_type { TEXT, JSON };
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struct run_and_lumi {
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unsigned int run;
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long long int lumi_min;
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long long int lumi_max;
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};
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bool operator < (const struct run_and_lumi &r1, const struct run_and_lumi &r2)
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{
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return r1.run < r2.run;
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}
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typedef std::multiset<struct run_and_lumi> set_t;
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static set_t good_runs_;
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static bool good_runs_loaded_ = false;
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static const char json_py[] =
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"#! /usr/bin/env python \n"
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" \n"
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"# usage to print out good run selection for goodrun.cc: \n"
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"# convertGoodRunsList_JSON.py <json file> \n"
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" \n"
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"import sys,json \n"
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" \n"
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"runs = json.load(open(sys.argv[1],\"r\")) \n"
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" \n"
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"for run in runs.keys(): \n"
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" for lumiBlock in runs[run] : \n"
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" if len(lumiBlock) != 2 : \n"
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" print 'ERROR reading lumi block: run:',run,'lumiBlock:',lumiBlock \n"
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" else: \n"
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" # print 'run ' + str(run) + ', min lumi ' + str(lumiBlock[0]) + ', max lumi ' + str(lumiBlock[1])\n"
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" print run,lumiBlock[0],lumiBlock[1] \n"
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" \n";
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//"print '' \n";
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static int load_runs (const char *fname, enum file_type type)
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{
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good_runs_.clear();
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FILE *file = 0;
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switch (type) {
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case TEXT:
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file = fopen(fname, "r");
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if (file == 0) {
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perror("opening good run list");
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return 0;
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}
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break;
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case JSON:
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{
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// first make a temp file with the python parsing code
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FILE *pyfile = fopen("tmp.py", "w");
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if (pyfile == 0) {
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perror("opening tmp file");
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return 0;
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}
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fprintf(pyfile, "%s", json_py);
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fclose(pyfile);
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chmod("tmp.py", S_IRUSR | S_IWUSR | S_IXUSR);
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// now execute a command to convert the JSON file to text
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pid_t child = fork();
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if (child == -1) {
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perror("forking process to convert JSON good run list");
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return 0;
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}
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if (child == 0) {
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FILE *f = freopen((std::string(fname) + ".tmp").c_str(), "w", stdout);
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if (f == 0) {
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perror("opening good run list");
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return 127;
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}
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execlp("./tmp.py", "", fname, (char *)0);
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perror("executing JSON conversion script");
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exit(127);
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}
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if (child != 0) {
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int status;
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waitpid(child, &status, 0);
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if (status != 0) {
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printf("conversion exited abnormally, consult previous errors\n");
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return 0;
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}
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}
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printf("note: converted JSON file is in %s.tmp, "
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"please consult in case of parsing errors\n", fname);
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file = fopen((std::string(fname) + ".tmp").c_str(), "r");
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if (file == 0) {
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perror("opening good run list");
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return 0;
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}
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unlink("tmp.py");
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break;
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}
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default:
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break;
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}
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int s;
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int line = 0;
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do {
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int n;
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char buf[1024] = "";
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// read a line from the file, not including the newline (if
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// there is a newline)
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s = fscanf(file, "%1024[^\n]%n", buf, &n);
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assert(n < 1023);
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if (s != 1) {
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if (s != EOF) {
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perror("reading good run list");
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return 0;
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} else {
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if (ferror(file)) {
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perror("reading good run list");
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return 0;
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}
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}
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} else if (strlen(buf) != 0 && buf[0] == '#') {
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line++;
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// printf("Read a comment line (line %d) from the good run list: %s\n", line, buf);
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} else {
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line++;
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// printf("Read a line from the good run list: %s\n", buf);
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unsigned int run;
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char *pbuf = buf;
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int s = sscanf(pbuf, " %u%n", &run, &n);
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if (s != 1) {
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fprintf(stderr, "Expected a run number (unsigned int)"
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" in the first position of line %d: %s\n", line, buf);
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assert(s == 1);
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}
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pbuf += n;
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long long int lumi_min = -1;
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long long int lumi_max = -1;
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s = sscanf(pbuf, " %lld%n", &lumi_min, &n);
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// if there is no lumi_min specified, that means the
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// entire run is good
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if (s == 1) {
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pbuf += n;
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s = sscanf(pbuf, " %lld%n", &lumi_max, &n);
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if (s != 1) {
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fprintf(stderr, "Expected a max lumi section in a lumi section range"
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" (int) in the third position of line %d: %s\n", line, buf);
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assert(s == 1);
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}
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pbuf += n;
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}
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char trail[1024] = "";
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s = sscanf(pbuf, " %s", trail);
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if (strlen(trail) != 0) {
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fprintf(stderr, "Unexpected trailing junk (%s) on line %d: %s\n", trail, line, buf);
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assert(s == 0);
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}
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// printf("Read line: run %u, min lumi %lld, max lumi %lld\n", run, lumi_min, lumi_max);
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struct run_and_lumi new_entry = { run, lumi_min, lumi_max };
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good_runs_.insert(new_entry);
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}
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// advance past the newline
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char newlines[1024] = "";
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s = fscanf(file, "%[ \f\n\r\t\v]", newlines);
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if (s != -1 && strlen(newlines) != 1) {
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fprintf(stderr, "Warning: unexpected white space following line %d\n", line);
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// but that's just a warning
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}
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} while (s == 1);
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fclose(file);
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if (type == JSON)
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unlink((std::string(fname) + ".tmp").c_str());
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return line;
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}
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bool goodrun (unsigned int run, unsigned int lumi_block)
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{
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if (not good_runs_loaded_) {
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int ret = load_runs("goodruns.txt", TEXT);
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assert(ret != 0);
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good_runs_loaded_ = true;
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}
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// we assume that an empty list means accept anything
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if (good_runs_.size() == 0)
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return true;
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// find all blocks with this run number
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struct run_and_lumi r_a_l = { run, 0, 0 };
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std::pair<set_t::const_iterator, set_t::const_iterator> good_blocks =
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good_runs_.equal_range(r_a_l);
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for (set_t::const_iterator i = good_blocks.first;
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i != good_blocks.second; ++i) {
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// printf("considering run %u, min %lld, max %lld\n",
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// i->run, i->lumi_min, i->lumi_max);
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if (i->lumi_min <= lumi_block) {
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if (i->lumi_max == -1 || i->lumi_max >= lumi_block)
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return true;
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}
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}
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return false;
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}
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bool goodrun_json (unsigned int run, unsigned int lumi_block)
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{
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if (not good_runs_loaded_) {
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int ret = load_runs("goodruns.json", JSON);
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assert(ret != 0);
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good_runs_loaded_ = true;
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}
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// once the JSON good-run list is loaded, there's no difference
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// between TEXT and JSON
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return goodrun(run, lumi_block);
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}
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void set_goodrun_file (const char* filename)
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{
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int ret = load_runs(filename, TEXT);
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assert(ret != 0);
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good_runs_loaded_ = true;
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}
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void set_goodrun_file_json (const char* filename)
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{
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int ret = load_runs(filename, JSON);
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assert(ret != 0);
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good_runs_loaded_ = true;
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}
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#endif // __CUNT__
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