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Commit 3619c1e9 authored by Ken Chen's avatar Ken Chen Committed by android-build-merger
Browse files

Add netd binder and resolver API 

am: f79e977576

Change-Id: I2467359511994f9131b40450db9025e2446c1eb3
parents b1c1e183 d99022cb

DnsResolver.cpp

+5 −3
Original line number Diff line number Diff line
@@ -28,9 +28,7 @@ bool resolv_init(const ResolverNetdCallbacks& callbacks) { 
    android::base::InitLogging(/*argv=*/nullptr);

    android::base::SetDefaultTag("libnetd_resolv");

    LOG(INFO) << __func__ << ": Initializing resolver";

    const std::string logSeverityStr =

            android::base::GetProperty("persist.sys.nw_dns_resolver_log", "WARNING");

    android::base::SetMinimumLogSeverity(logSeverityStrToEnum(logSeverityStr));

    resolv_set_log_severity(android::base::WARNING);



    android::net::gResNetdCallbacks = callbacks;

    android::net::gDnsResolv = android::net::DnsResolver::getInstance();
@@ -76,5 +74,9 @@ bool DnsResolver::start() { 
    return true;

}



int DnsResolver::setLogSeverity(int32_t logSeverity) {

    return resolv_set_log_severity(logSeverity);

}



}  // namespace net

}  // namespace android

DnsResolver.h

+1 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ class DnsResolver { 
  public:

    static DnsResolver* getInstance();

    bool start();

    int setLogSeverity(int32_t logSeverity);



    DnsResolver(DnsResolver const&) = delete;

    void operator=(DnsResolver const&) = delete;

DnsResolverService.cpp

+9 −0
Original line number Diff line number Diff line
@@ -278,6 +278,15 @@ static std::vector<uint8_t> parseBase64(const std::string& input) { 
    return ::ndk::ScopedAStatus(AStatus_newOk());

}



::ndk::ScopedAStatus DnsResolverService::setLogSeverity(int32_t logSeverity) {

    ENFORCE_NETWORK_STACK_PERMISSIONS();

    auto entry = gDnsResolverLog.newEntry().prettyFunction(__PRETTY_FUNCTION__).arg(logSeverity);

    int res = gDnsResolv->setLogSeverity(logSeverity);



    gResNetdCallbacks.log(entry.returns(res).withAutomaticDuration().toString().c_str());

    return statusFromErrcode(res);

}



::ndk::ScopedAStatus DnsResolverService::destroyNetworkCache(int netId) {

    // Locking happens in res_cache.cpp functions.

    ENFORCE_NETWORK_STACK_PERMISSIONS();

DnsResolverService.h

+3 −0
Original line number Diff line number Diff line
@@ -57,6 +57,9 @@ class DnsResolverService : public aidl::android::net::BnDnsResolver { 
    // (internal use only)

    ::ndk::ScopedAStatus getPrefix64(int netId, std::string* stringPrefix) override;



    // Debug log command

    ::ndk::ScopedAStatus setLogSeverity(int32_t logSeverity) override;



  private:

    DnsResolverService() {}

    // TODO: Remove below items after libbiner_ndk supports check_permission.

binder/android/net/IDnsResolver.aidl

+17 −0
Original line number Diff line number Diff line
@@ -144,4 +144,21 @@ interface IDnsResolver { 
     * @param netId the network ID of the network to destroy.

     */

    void destroyNetworkCache(int netId);



    // Refer to enum LogSeverity from system/core/base/include/android-base/logging.h

    const int DNS_RESOLVER_LOG_VERBOSE = 0;

    const int DNS_RESOLVER_LOG_DEBUG = 1;

    const int DNS_RESOLVER_LOG_INFO = 2;

    const int DNS_RESOLVER_LOG_WARNING = 3;

    const int DNS_RESOLVER_LOG_ERROR = 4;



    /**

     * Set DNS resolver log severity

     *

     * @param logSeverity print log in "VERBOSE", "DEBUG", "INFO", "WARNING", "ERROR".

     *

     * @throws ServiceSpecificException in case of failure, with an error code corresponding to the

     *         POSIX errno.

     */

    void setLogSeverity(int logSeverity);

}