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author | San Mehat <san@google.com> | 2009-05-14 14:58:45 -0700 |
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committer | San Mehat <san@google.com> | 2009-05-15 10:40:23 -0700 |
commit | c41d1c8074ed02acc9d1e749d81e0aafb5efbbfa (patch) | |
tree | 23133380d778a55675186b160e90e7ff73670bc2 /libsysutils | |
parent | c83cd879d45e667fbb4763f18c908928ee9d67d8 (diff) | |
download | system_core-c41d1c8074ed02acc9d1e749d81e0aafb5efbbfa.zip system_core-c41d1c8074ed02acc9d1e749d81e0aafb5efbbfa.tar.gz system_core-c41d1c8074ed02acc9d1e749d81e0aafb5efbbfa.tar.bz2 |
libsysutils: Introduce 'ServiceManager', for starting/stopping init services
Signed-off-by: San Mehat <san@google.com>
Diffstat (limited to 'libsysutils')
-rw-r--r-- | libsysutils/Android.mk | 1 | ||||
-rw-r--r-- | libsysutils/src/ServiceManager.cpp | 73 |
2 files changed, 74 insertions, 0 deletions
diff --git a/libsysutils/Android.mk b/libsysutils/Android.mk index 2f3e106..dd2b32d 100644 --- a/libsysutils/Android.mk +++ b/libsysutils/Android.mk @@ -16,6 +16,7 @@ LOCAL_SRC_FILES:= \ src/NetlinkEvent.cpp \ src/FrameworkCommand.cpp \ src/SocketClient.cpp \ + src/ServiceManager.cpp \ LOCAL_MODULE:= libsysutils diff --git a/libsysutils/src/ServiceManager.cpp b/libsysutils/src/ServiceManager.cpp new file mode 100644 index 0000000..700ac91 --- /dev/null +++ b/libsysutils/src/ServiceManager.cpp @@ -0,0 +1,73 @@ +#include <errno.h> + +#include <sysutils/ServiceManager.h> + +#define LOG_TAG "Service" +#include <cutils/log.h> +#include <cutils/properties.h> + +ServiceManager::ServiceManager() { +} + +int ServiceManager::start(const char *name) { + if (isRunning(name)) { + LOGW("Service '%s' is already running", name); + return 0; + } + + LOGD("Starting service '%s'", name); + property_set("ctl.start", name); + + int count = 200; + while(count--) { + sched_yield(); + if (isRunning(name)) + break; + } + if (!count) { + LOGW("Timed out waiting for service '%s' to start", name); + errno = ETIMEDOUT; + return -1; + } + LOGD("Sucessfully started '%s'", name); + return 0; +} + +int ServiceManager::stop(const char *name) { + if (!isRunning(name)) { + LOGW("Service '%s' is already stopped", name); + return 0; + } + + LOGD("Stopping service '%s'", name); + property_set("ctl.stop", name); + + int count = 200; + while(count--) { + sched_yield(); + if (!isRunning(name)) + break; + } + + if (!count) { + LOGW("Timed out waiting for service '%s' to stop", name); + errno = ETIMEDOUT; + return -1; + } + LOGD("Sucessfully stopped '%s'", name); + return 0; +} + +bool ServiceManager::isRunning(const char *name) { + char propVal[PROPERTY_VALUE_MAX]; + char propName[255]; + + snprintf(propName, sizeof(propVal), "init.svc.%s", name); + + + if (property_get(propName, propVal, NULL)) { + if (!strcmp(propVal, "running")) + return true; + } + return false; +} |