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package com.mapbox.mapboxsdk.http;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.v4.util.LongSparseArray;
import android.text.TextUtils;
import android.util.Log;
import com.mapbox.android.telemetry.TelemetryUtils;
import com.mapbox.mapboxsdk.BuildConfig;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.constants.MapboxConstants;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Dispatcher;
import okhttp3.HttpUrl;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.ResponseBody;
import timber.log.Timber;
import javax.net.ssl.SSLException;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.NoRouteToHostException;
import java.net.ProtocolException;
import java.net.SocketException;
import java.net.UnknownHostException;
public class OkHttpRequest extends HttpRequest {
private static final LongSparseArray<Call> calls = new LongSparseArray<>();
private static final String userAgentString = TelemetryUtils.toHumanReadableAscii(
String.format("%s %s (%s) Android/%s (%s)",
getApplicationIdentifier(),
BuildConfig.MAPBOX_VERSION_STRING,
BuildConfig.GIT_REVISION_SHORT,
Build.VERSION.SDK_INT,
Build.CPU_ABI)
);
private static OkHttpClient client = new OkHttpClient.Builder().dispatcher(getDispatcher()).build();
private static boolean logEnabled = true;
private static boolean logRequestUrl = false;
@Override
public void executeRequest(NativeHttpRequest httpRequest, long nativePtr, String resourceUrl,
String etag, String modified) {
Call call = null;
OkHttpCallback callback = new OkHttpCallback(httpRequest);
try {
HttpUrl httpUrl = HttpUrl.parse(resourceUrl);
if (httpUrl == null) {
log(Log.ERROR, String.format("[HTTP] Unable to parse resourceUrl %s", resourceUrl));
}
final String host = httpUrl.host().toLowerCase(MapboxConstants.MAPBOX_LOCALE);
// Don't try a request to remote server if we aren't connected
if (!Mapbox.isConnected() && !host.equals("127.0.0.1") && !host.equals("localhost")) {
throw new NoRouteToHostException("No Internet connection available.");
}
if (host.equals("mapbox.com") || host.endsWith(".mapbox.com") || host.equals("mapbox.cn")
|| host.endsWith(".mapbox.cn")) {
if (httpUrl.querySize() == 0) {
resourceUrl = resourceUrl + "?";
} else {
resourceUrl = resourceUrl + "&";
}
resourceUrl = resourceUrl + "events=true";
}
Request.Builder builder = new Request.Builder()
.url(resourceUrl)
.tag(resourceUrl.toLowerCase(MapboxConstants.MAPBOX_LOCALE))
.addHeader("User-Agent", userAgentString);
if (etag.length() > 0) {
builder = builder.addHeader("If-None-Match", etag);
} else if (modified.length() > 0) {
builder = builder.addHeader("If-Modified-Since", modified);
}
Request request = builder.build();
call = client.newCall(request);
synchronized (calls) {
calls.put(nativePtr, call);
}
call.enqueue(callback);
Timber.e("Requesting resource with size %s for %s", calls.size(), call.hashCode());
} catch (Exception exception) {
callback.handleFailure(call, exception);
}
}
@Override
public void cancelRequest(long nativePtr) {
synchronized (calls) {
Call call = calls.get(nativePtr);
// call can be null if the constructor gets aborted (e.g, under a NoRouteToHostException).
if (call != null) {
call.cancel();
calls.delete(nativePtr);
}
}
}
public static void enablePrintRequestUrlOnFailure(boolean enabled) {
logRequestUrl = enabled;
}
public static void enableLog(boolean enabled) {
logEnabled = enabled;
}
public static void setOkHttpClient(OkHttpClient okHttpClient) {
OkHttpRequest.client = okHttpClient;
}
private static class OkHttpCallback implements Callback {
private NativeHttpRequest httpRequest;
OkHttpCallback(NativeHttpRequest httpRequest) {
this.httpRequest = httpRequest;
}
@Override
public void onFailure(@NonNull Call call, @NonNull IOException e) {
handleFailure(call, e);
}
@Override
public void onResponse(@NonNull Call call, @NonNull Response response) {
if (response.isSuccessful()) {
log(Log.VERBOSE, String.format("[HTTP] Request was successful (code = %s).", response.code()));
} else {
// We don't want to call this unsuccessful because a 304 isn't really an error
String message = !TextUtils.isEmpty(response.message()) ? response.message() : "No additional information";
log(Log.DEBUG, String.format("[HTTP] Request with response code = %s: %s", response.code(), message));
}
removeCall(call);
ResponseBody responseBody = response.body();
if (responseBody == null) {
log(Log.ERROR, "[HTTP] Received empty response body");
return;
}
byte[] body;
try {
body = responseBody.bytes();
} catch (IOException ioException) {
onFailure(call, ioException);
// throw ioException;
return;
} finally {
response.close();
}
httpRequest.onResponse(response.code(),
response.header("ETag"),
response.header("Last-Modified"),
response.header("Cache-Control"),
response.header("Expires"),
response.header("Retry-After"),
response.header("x-rate-limit-reset"),
body);
}
private void handleFailure(Call call, Exception e) {
String errorMessage = e.getMessage() != null ? e.getMessage() : "Error processing the request";
int type = getFailureType(e);
if (logEnabled && call != null && call.request() != null) {
String requestUrl = call.request().url().toString();
logFailure(type, errorMessage, requestUrl);
}
removeCall(call);
Timber.e("Handle Failure with size %s for %s", calls.size(), call.hashCode());
httpRequest.handleFailure(type, errorMessage);
}
private void logFailure(int type, String errorMessage, String requestUrl) {
log(type == TEMPORARY_ERROR ? Log.DEBUG : type == CONNECTION_ERROR ? Log.INFO : Log.WARN,
String.format(
"Request failed due to a %s error: %s %s",
type == TEMPORARY_ERROR ? "temporary" : type == CONNECTION_ERROR ? "connection" : "permanent",
errorMessage,
logRequestUrl ? requestUrl : ""
)
);
}
private int getFailureType(Exception e) {
if ((e instanceof NoRouteToHostException) || (e instanceof UnknownHostException) || (e instanceof SocketException)
|| (e instanceof ProtocolException) || (e instanceof SSLException)) {
return CONNECTION_ERROR;
} else if ((e instanceof InterruptedIOException)) {
return TEMPORARY_ERROR;
}
return PERMANENT_ERROR;
}
private void removeCall(Call call) {
synchronized (calls) {
Call currentCall;
for (int i = 0; i < calls.size(); i++) {
currentCall = calls.valueAt(i);
if (call.equals(currentCall)) {
calls.delete(calls.keyAt(i));
return;
}
}
}
}
}
private static String getApplicationIdentifier() {
try {
Context context = Mapbox.getApplicationContext();
PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
return String.format("%s/%s (%s)", context.getPackageName(), packageInfo.versionName, packageInfo.versionCode);
} catch (Exception exception) {
return "";
}
}
private static Dispatcher getDispatcher() {
Dispatcher dispatcher = new Dispatcher();
// Matches core limit set on
// https://github.com/mapbox/mapbox-gl-native/blob/master/platform/android/src/http_file_source.cpp#L192
dispatcher.setMaxRequestsPerHost(20);
return dispatcher;
}
static void log(int type, String errorMessage) {
if (logEnabled) {
Timber.log(type, errorMessage);
}
}
}
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