boinc/sched/sched_shmem.C

109 lines
2.5 KiB
C

#include <stdio.h>
#include <string.h>
#include "db.h"
#include "sched_shmem.h"
void SCHED_SHMEM::init() {
memset(this, 0, sizeof(SCHED_SHMEM));
ss_size = sizeof(SCHED_SHMEM);
platform_size = sizeof(PLATFORM);
app_size = sizeof(APP);
app_version_size = sizeof(APP_VERSION);
wu_result_size = sizeof(WU_RESULT);
max_platforms = MAX_PLATFORMS;
max_apps = MAX_APPS;
max_app_versions = MAX_APP_VERSIONS;
max_wu_results = MAX_WU_RESULTS;
nwu_results = MAX_WU_RESULTS;
}
int SCHED_SHMEM::verify() {
if (ss_size != sizeof(SCHED_SHMEM)) return -1;
if (platform_size != sizeof(PLATFORM)) return -1;
if (app_size != sizeof(APP)) return -1;
if (app_version_size != sizeof(APP_VERSION)) return -1;
if (wu_result_size != sizeof(WU_RESULT)) return -1;
if (max_platforms != MAX_PLATFORMS) return -1;
if (max_apps != MAX_APPS) return -1;
if (max_app_versions != MAX_APP_VERSIONS) return -1;
if (max_wu_results != MAX_WU_RESULTS) return -1;
return 0;
}
static void overflow(char* table) {
fprintf(stderr,
"The SCHED_SHMEM structure is too small for table %s.\n"
"Increase the size and restart feeder and fcgi.\n",
table
);
}
int SCHED_SHMEM::scan_tables() {
PLATFORM platform;
APP app;
APP_VERSION app_version;
int n;
n = 0;
while (!db_platform_enum(platform)) {
platforms[n++] = platform;
if (n == MAX_PLATFORMS) overflow("platforms");
}
nplatforms = n;
n = 0;
while (!db_app_enum(app)) {
apps[n++] = app;
if (n == MAX_APPS) overflow("apps");
}
napps = n;
n = 0;
while (!db_app_version_enum(app_version)) {
app_versions[n++] = app_version;
if (n == MAX_APP_VERSIONS) overflow("app_versions");
}
napp_versions = n;
return 0;
}
PLATFORM* SCHED_SHMEM::lookup_platform(char* name) {
int i;
for (i=0; i<nplatforms; i++) {
if (!strcmp(platforms[i].name, name)) {
return &platforms[i];
}
}
return 0;
}
APP* SCHED_SHMEM::lookup_app(int id) {
int i;
for (i=0; i<napps; i++) {
if (apps[i].id == id) {
return &apps[i];
}
}
return 0;
}
APP_VERSION* SCHED_SHMEM::lookup_app_version(
int appid, int platformid, int version
) {
int i;
APP_VERSION* avp;
for (i=0; i<napp_versions; i++) {
avp = &app_versions[i];
if (avp->appid == appid && avp->platformid == platformid && avp->version_num == version) {
return avp;
}
}
return 0;
}