static void remove_expired_records()
{
struct nvpair *nv;
char *key;
time_t current = time(0);
// Only clean every clean_interval seconds.
if((current-last_clean_time)<clean_interval) return;
// After restarting, all records will have appear to be stale.
// Run for a minimum of lifetime seconds before cleaning anything up.
if((current-starttime)<lifetime ) return;
nvpair_database_firstkey(table);
while(nvpair_database_nextkey(table, &key, &nv)) {
time_t lastheardfrom = nvpair_lookup_integer(nv,"lastheardfrom");
int this_lifetime = nvpair_lookup_integer(nv,"lifetime");
if(this_lifetime>0) {
this_lifetime = MIN(lifetime,this_lifetime);
} else {
this_lifetime = lifetime;
}
if( (current-lastheardfrom) > this_lifetime ) {
nv = nvpair_database_remove(table,key);
if(nv) nvpair_delete(nv);
}
}
last_clean_time = current;
}
static int count_workers_needed( struct list *masters_list, int only_waiting )
{
int needed_workers=0;
int masters=0;
struct nvpair *nv;
if(!masters_list) {
return needed_workers;
}
list_first_item(masters_list);
while((nv=list_next_item(masters_list))) {
const char *project = nvpair_lookup_string(nv,"project");
const char *host = nvpair_lookup_string(nv,"name");
const int port = nvpair_lookup_integer(nv,"port");
const char *owner = nvpair_lookup_string(nv,"owner");
const int tr = nvpair_lookup_integer(nv,"tasks_running");
const int tw = nvpair_lookup_integer(nv,"tasks_waiting");
const int tl = nvpair_lookup_integer(nv,"tasks_left");
const int capacity = nvpair_lookup_integer(nv,"capacity");
int tasks = tr+tw+tl;
int need;
if(only_waiting) {
need = tw;
} else {
need = tasks;
}
if(consider_capacity && capacity>0) {
need = MIN(capacity,tasks);
}
debug(D_WQ,"%s %s:%d %s %d %d %d",project,host,port,owner,tasks,capacity,need);
needed_workers += need;
masters++;
}
needed_workers = (int) ceil(needed_workers / tasks_per_worker);
return needed_workers;
}
static void make_hash_key(struct nvpair *nv, char *key)
{
const char *name, *addr;
int port;
addr = nvpair_lookup_string(nv, "address");
if(!addr)
addr = "unknown";
port = nvpair_lookup_integer(nv, "port");
name = nvpair_lookup_string(nv, "name");
if(!name)
name = "unknown";
sprintf(key, "%s:%d:%s", addr, port, name);
}
int main(int argc, char *argv[])
{
struct catalog_query *q;
struct nvpair *n;
time_t timeout = 60, stoptime;
const char *catalog_host = 0;
signed char c;
int i;
int count = 0;
int mode = MODE_TABLE;
INT64_T total = 0, avail = 0;
const char *filter_name = 0;
const char *filter_value = 0;
debug_config(argv[0]);
static struct option long_options[] = {
{"catalog", required_argument, 0, 'c'},
{"debug", required_argument, 0, 'd'},
{"debug-file", required_argument, 0, 'o'},
{"debug-rotate-max", required_argument, 0, 'O'},
{"server-space", required_argument, 0, 'A'},
{"all", no_argument, 0, 'a'},
{"timeout", required_argument, 0, 't'},
{"brief", no_argument, 0, 's'},
{"verbose", no_argument, 0, 'l'},
{"totals", no_argument, 0, 'T'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
while((c = getopt_long(argc, argv, "aA:c:d:t:o:O:sTlvh", long_options, NULL)) > -1) {
switch (c) {
case 'a':
show_all_types = 1;
break;
case 'c':
catalog_host = optarg;
break;
case 'd':
debug_flags_set(optarg);
break;
case 't':
timeout = string_time_parse(optarg);
break;
case 'A':
minavail = string_metric_parse(optarg);
break;
case 'o':
debug_config_file(optarg);
break;
case 'O':
debug_config_file_size(string_metric_parse(optarg));
break;
case 'v':
cctools_version_print(stdout, argv[0]);
return 1;
case 's':
mode = MODE_SHORT;
break;
case 'l':
mode = MODE_LONG;
break;
case 'T':
mode = MODE_TOTAL;
break;
case 'h':
default:
show_help(argv[0]);
return 1;
}
}
cctools_version_debug(D_DEBUG, argv[0]);
if(argc - optind == 0) {
// fine, keep going
} else if((argc - optind) == 1) {
filter_name = "name";
filter_value = argv[optind];
} else if((argc - optind) == 2) {
filter_name = argv[optind];
filter_value = argv[optind + 1];
} else {
show_help(argv[0]);
return 1;
}
stoptime = time(0) + timeout;
q = catalog_query_create(catalog_host, 0, stoptime);
if(!q) {
fprintf(stderr, "couldn't query catalog: %s\n", strerror(errno));
return 1;
}
if(mode == MODE_TABLE) {
nvpair_print_table_header(stdout, headers);
}
while((n = catalog_query_read(q, stoptime))) {
table[count++] = n;
}
qsort(table, count, sizeof(*table), (int (*)(const void *, const void *)) compare_entries);
for(i = 0; i < count; i++) {
const char *etype = nvpair_lookup_string(table[i], "type");
if(!show_all_types) {
if(etype) {
if(!strcmp(etype, "chirp") || !strcmp(etype, "catalog")) {
/* ok, keep going */
} else {
continue;
}
} else {
continue;
}
}
if(minavail != 0) {
if(minavail > nvpair_lookup_integer(table[i], "avail")) {
continue;
}
}
if(filter_name) {
const char *v = nvpair_lookup_string(table[i], filter_name);
if(!v || strcmp(filter_value, v))
continue;
}
if(mode == MODE_SHORT) {
const char *t = nvpair_lookup_string(table[i], "type");
if(t && !strcmp(t, "chirp")) {
printf("%s:%d\n", nvpair_lookup_string(table[i], "name"), (int) nvpair_lookup_integer(table[i], "port"));
}
} else if(mode == MODE_LONG) {
nvpair_print_text(table[i], stdout);
} else if(mode == MODE_TABLE) {
nvpair_print_table(table[i], stdout, headers);
} else if(mode == MODE_TOTAL) {
avail += nvpair_lookup_integer(table[i], "avail");
total += nvpair_lookup_integer(table[i], "total");
}
}
if(mode == MODE_TOTAL) {
printf("NODES: %4d\n", count);
printf("TOTAL: %6sB\n", string_metric(total, -1, 0));
printf("AVAIL: %6sB\n", string_metric(avail, -1, 0));
printf("INUSE: %6sB\n", string_metric(total - avail, -1, 0));
}
if(mode == MODE_TABLE) {
nvpair_print_table_footer(stdout, headers);
}
return 0;
}
struct work_queue_master *parse_work_queue_master_nvpair(struct nvpair *nv)
{
struct work_queue_master *m;
m = xxmalloc(sizeof(struct work_queue_master));
strncpy(m->addr, nvpair_lookup_string(nv, "address"), LINK_ADDRESS_MAX);
const char *project;
project = nvpair_lookup_string(nv, "project");
if(project) {
strncpy(m->proj, project, WORK_QUEUE_NAME_MAX);
} else {
strncpy(m->proj, "unknown", WORK_QUEUE_NAME_MAX);
}
m->port = nvpair_lookup_integer(nv, "port");
m->start_time = nvpair_lookup_integer(nv, "starttime");
m->priority = nvpair_lookup_integer(nv, "priority");
if(m->priority < 0) m->priority = 0;
m->capacity = nvpair_lookup_integer(nv, "capacity");
m->tasks_waiting = nvpair_lookup_integer(nv, "tasks_waiting");
m->tasks_running = nvpair_lookup_integer(nv, "tasks_running");
m->tasks_complete = nvpair_lookup_integer(nv, "tasks_complete");
m->total_tasks_dispatched = nvpair_lookup_integer(nv, "total_tasks_dispatched");
m->workers_init = nvpair_lookup_integer(nv, "workers_init");
m->workers_ready = nvpair_lookup_integer(nv, "workers_ready");
m->workers_busy = nvpair_lookup_integer(nv, "workers_busy");
m->workers_full = nvpair_lookup_integer(nv, "workers_full");
m->workers = nvpair_lookup_integer(nv, "workers");
const char *workers_by_pool;
workers_by_pool = nvpair_lookup_string(nv, "workers_by_pool");
if(workers_by_pool) {
m->workers_by_pool = xxstrdup(workers_by_pool);
} else {
m->workers_by_pool = xxstrdup("unknown");
}
const char *owner;
owner = nvpair_lookup_string(nv, "owner");
if(owner) {
strncpy(m->owner, nvpair_lookup_string(nv, "owner"), USERNAME_MAX);
} else {
strncpy(m->owner, "unknown", USERNAME_MAX);
}
return m;
}
static void handle_query(struct link *query_link)
{
FILE *stream;
char line[LINE_MAX];
char url[LINE_MAX];
char path[LINE_MAX];
char action[LINE_MAX];
char version[LINE_MAX];
char hostport[LINE_MAX];
char addr[LINK_ADDRESS_MAX];
char key[LINE_MAX];
int port;
time_t current;
char *hkey;
struct nvpair *nv;
int i, n;
link_address_remote(query_link, addr, &port);
debug(D_DEBUG, "www query from %s:%d", addr, port);
if(link_readline(query_link, line, LINE_MAX, time(0) + HANDLE_QUERY_TIMEOUT)) {
string_chomp(line);
if(sscanf(line, "%s %s %s", action, url, version) != 3) {
return;
}
// Consume the rest of the query
while(1) {
if(!link_readline(query_link, line, LINE_MAX, time(0) + HANDLE_QUERY_TIMEOUT)) {
return;
}
if(line[0] == 0) {
break;
}
}
} else {
return;
}
// Output response
stream = fdopen(link_fd(query_link), "w");
if(!stream) {
return;
}
link_nonblocking(query_link, 0);
current = time(0);
fprintf(stream, "HTTP/1.1 200 OK\n");
fprintf(stream, "Date: %s", ctime(¤t));
fprintf(stream, "Server: catalog_server\n");
fprintf(stream, "Connection: close\n");
if(sscanf(url, "http://%[^/]%s", hostport, path) == 2) {
// continue on
} else {
strcpy(path, url);
}
/* load the hash table entries into one big array */
n = 0;
nvpair_database_firstkey(table);
while(nvpair_database_nextkey(table, &hkey, &nv)) {
array[n] = nv;
n++;
}
/* sort the array by name before displaying */
qsort(array, n, sizeof(struct nvpair *), compare_nvpair);
if(!strcmp(path, "/query.text")) {
fprintf(stream, "Content-type: text/plain\n\n");
for(i = 0; i < n; i++)
nvpair_print_text(array[i], stream);
} else if(!strcmp(path, "/query.json")) {
fprintf(stream, "Content-type: text/plain\n\n");
fprintf(stream,"[\n");
for(i = 0; i < n; i++) {
nvpair_print_json(array[i], stream);
fprintf(stream,",\n");
}
fprintf(stream,"]\n");
} else if(!strcmp(path, "/query.oldclassads")) {
fprintf(stream, "Content-type: text/plain\n\n");
for(i = 0; i < n; i++)
nvpair_print_old_classads(array[i], stream);
} else if(!strcmp(path, "/query.newclassads")) {
fprintf(stream, "Content-type: text/plain\n\n");
for(i = 0; i < n; i++)
nvpair_print_new_classads(array[i], stream);
} else if(!strcmp(path, "/query.xml")) {
fprintf(stream, "Content-type: text/xml\n\n");
fprintf(stream, "<?xml version=\"1.0\" standalone=\"yes\"?>\n");
fprintf(stream, "<catalog>\n");
for(i = 0; i < n; i++)
nvpair_print_xml(array[i], stream);
fprintf(stream, "</catalog>\n");
} else if(sscanf(path, "/detail/%s", key) == 1) {
struct nvpair *nv;
fprintf(stream, "Content-type: text/html\n\n");
nv = nvpair_database_lookup(table, key);
if(nv) {
const char *name = nvpair_lookup_string(nv, "name");
if(!name)
name = "unknown";
fprintf(stream, "<title>%s catalog server: %s</title>\n", preferred_hostname, name);
fprintf(stream, "<center>\n");
fprintf(stream, "<h1>%s catalog server</h1>\n", preferred_hostname);
fprintf(stream, "<h2>%s</h2>\n", name);
fprintf(stream, "<p><a href=/>return to catalog view</a><p>\n");
nvpair_print_html_solo(nv, stream);
fprintf(stream, "</center>\n");
} else {
fprintf(stream, "<title>%s catalog server</title>\n", preferred_hostname);
fprintf(stream, "<center>\n");
fprintf(stream, "<h1>%s catalog server</h1>\n", preferred_hostname);
fprintf(stream, "<h2>Unknown Item!</h2>\n");
fprintf(stream, "</center>\n");
}
} else {
char avail_line[LINE_MAX];
char total_line[LINE_MAX];
INT64_T sum_total = 0;
INT64_T sum_avail = 0;
INT64_T sum_devices = 0;
fprintf(stream, "Content-type: text/html\n\n");
fprintf(stream, "<title>%s catalog server</title>\n", preferred_hostname);
fprintf(stream, "<center>\n");
fprintf(stream, "<h1>%s catalog server</h1>\n", preferred_hostname);
fprintf(stream, "<a href=/query.text>text</a> - ");
fprintf(stream, "<a href=/query.html>html</a> - ");
fprintf(stream, "<a href=/query.xml>xml</a> - ");
fprintf(stream, "<a href=/query.json>json</a> - ");
fprintf(stream, "<a href=/query.oldclassads>oldclassads</a> - ");
fprintf(stream, "<a href=/query.newclassads>newclassads</a>");
fprintf(stream, "<p>\n");
for(i = 0; i < n; i++) {
nv = array[i];
sum_total += nvpair_lookup_integer(nv, "total");
sum_avail += nvpair_lookup_integer(nv, "avail");
sum_devices++;
}
string_metric(sum_avail, -1, avail_line);
string_metric(sum_total, -1, total_line);
fprintf(stream, "<b>%sB available out of %sB on %d devices</b><p>\n", avail_line, total_line, (int) sum_devices);
nvpair_print_html_header(stream, html_headers);
for(i = 0; i < n; i++) {
nv = array[i];
make_hash_key(nv, key);
sprintf(url, "/detail/%s", key);
nvpair_print_html_with_link(nv, stream, html_headers, "name", url);
}
nvpair_print_html_footer(stream, html_headers);
fprintf(stream, "</center>\n");
}
fclose(stream);
}
static void handle_updates(struct datagram *update_port)
{
char data[DATAGRAM_PAYLOAD_MAX * 2];
char addr[DATAGRAM_ADDRESS_MAX];
char key[LINE_MAX];
int port;
int result;
struct nvpair *nv;
while(1) {
result = datagram_recv(update_port, data, DATAGRAM_PAYLOAD_MAX, addr, &port, 0);
if(result <= 0)
return;
data[result] = 0;
nv = nvpair_create();
nvpair_parse(nv, data);
nvpair_insert_string(nv, "address", addr);
nvpair_insert_integer(nv, "lastheardfrom", time(0));
/* If the server reports unbelievable numbers, simply reset them */
if(max_server_size > 0) {
INT64_T total = nvpair_lookup_integer(nv, "total");
INT64_T avail = nvpair_lookup_integer(nv, "avail");
if(total > max_server_size || avail > max_server_size) {
nvpair_insert_integer(nv, "total", max_server_size);
nvpair_insert_integer(nv, "avail", max_server_size);
}
}
/* Do not believe the server's reported name, just resolve it backwards. */
char name[DOMAIN_NAME_MAX];
if(domain_name_cache_lookup_reverse(addr, name)) {
nvpair_insert_string(nv, "name", name);
} else if (nvpair_lookup_string(nv, "name") == NULL) {
/* If rDNS is unsuccessful, then we use the name reported if given.
* This allows for hostnames that are only valid in the subnet of
* the reporting server. Here we set the "name" field to the IP
* Address, addr, because it was not set by the reporting server.
*/
nvpair_insert_string(nv, "name", addr);
}
make_hash_key(nv, key);
if(logfile) {
if(!nvpair_database_lookup(table,key)) {
nvpair_print_text(nv,logfile);
fflush(logfile);
}
}
nvpair_database_insert(table, key, nv);
debug(D_DEBUG, "received udp update from %s", key);
}
}
