/* ExplicitlyConfiguredTracer -- tracer initialized with ppaml_tracer_init
 * Copyright (C) 2014  Galois, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *   1. Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *   3. Neither Galois's name nor the names of other contributors may be used to
 *      endorse or promote products derived from this software without specific
 *      prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY GALOIS AND OTHER CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL GALOIS OR OTHER CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */

package com.galois.ppaml.tracer;

/**
 * A tracer initialized with an explicit set of configuration parameters.
 */
public final class ExplicitlyConfiguredTracer extends TracerCWrapper {

    /**
     * Base file path for trace report output.
     */
    private final String reportNameBase;

    /**
     * Creates and initializes an <code>ExplicitlyConfiguredTracer</code>.  The
     * trace report will be stored in Open Trace Format.
     *
     * @param reportNameBase all trace file paths will begin with this path.
     */
    public ExplicitlyConfiguredTracer(final String reportNameBase) {
        this.reportNameBase = reportNameBase;
        super.open();
    }

    ////////////////////////// Low-level life cycle  //////////////////////////

    ///// JNI adapter code /////

    /**
     * Installs data into the structure to make it ready for use.
     *
     * <p> <b>Precondition:</b> Initialization succeeded.
     *
     * @throws OutOfMemoryError converting <code>reportNameBase</code> from a
     * <code>String</code> to a <code>char *</code> failed.
     *
     * @throws OTFManagerInitializationException the Open Trace Format file
     * manager could not be initialized.
     *
     * @throws OTFWriterInitializationException the Open Trace Format writer
     * could not be initialized.
     *
     * @throws OTFWriterResolutionException setting the trace resolution failed.
     *
     * @throws OTFWriterProcessDefinitionException defining the main OTF process
     * failed.
     */
    @Override
    protected void initializeCPointer() {
        assert this.cPointer != 0;
        assert reportNameBase != null;
        final int r = ppaml_tracer_init(this.cPointer, reportNameBase);
        switch (r) {
        case 0:
            break;
        case -1:
            throw new java.lang.OutOfMemoryError(
                "failed to convert Java string to C string");
        case 1:
            throw new OTFManagerInitializationException();
        case 2:
            throw new OTFWriterInitializationException();
        case 3:
            throw new OTFWriterResolutionException();
        case 4:
            throw new OTFWriterProcessDefinitionException("main");
        default:
            throw new UnexpectedReturnValueError(r);
        }
    }

}