7e8529a8b5
Change-Id: Id74c6895a8012c5915f2e259339101844de7c085 Signed-off-by: San Mehat <san@google.com>
73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
#include <errno.h>
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#include <sysutils/ServiceManager.h>
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#define LOG_TAG "Service"
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#include <cutils/log.h>
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#include <cutils/properties.h>
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ServiceManager::ServiceManager() {
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}
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int ServiceManager::start(const char *name) {
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if (isRunning(name)) {
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SLOGW("Service '%s' is already running", name);
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return 0;
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}
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SLOGD("Starting service '%s'", name);
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property_set("ctl.start", name);
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int count = 200;
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while(count--) {
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sched_yield();
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if (isRunning(name))
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break;
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}
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if (!count) {
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SLOGW("Timed out waiting for service '%s' to start", name);
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errno = ETIMEDOUT;
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return -1;
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}
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SLOGD("Sucessfully started '%s'", name);
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return 0;
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}
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int ServiceManager::stop(const char *name) {
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if (!isRunning(name)) {
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SLOGW("Service '%s' is already stopped", name);
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return 0;
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}
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SLOGD("Stopping service '%s'", name);
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property_set("ctl.stop", name);
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int count = 200;
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while(count--) {
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sched_yield();
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if (!isRunning(name))
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break;
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}
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if (!count) {
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SLOGW("Timed out waiting for service '%s' to stop", name);
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errno = ETIMEDOUT;
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return -1;
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}
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SLOGD("Sucessfully stopped '%s'", name);
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return 0;
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}
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bool ServiceManager::isRunning(const char *name) {
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char propVal[PROPERTY_VALUE_MAX];
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char propName[255];
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snprintf(propName, sizeof(propVal), "init.svc.%s", name);
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if (property_get(propName, propVal, NULL)) {
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if (!strcmp(propVal, "running"))
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return true;
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}
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return false;
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}
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