jk_jnicb.c

精通tomcat书籍原代码,希望大家共同学习

/*
 *  Copyright 1999-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/***************************************************************************
 * Description: JNI callbacks implementation for the JNI in process adapter*
 * Author:      Gal Shachor <[e-mail]>                           *
 * Version:     $Revision: 299830 $                                           *
 ***************************************************************************/

#include "jk_jnicb.h"
#include "jk_service.h"
#include "jk_util.h"
#include "jk_pool.h"

/*
 * Class:     org_apache_tomcat_modules_server_JNIConnectionHandler
 * Method:    getNumberOfHeaders
 * Signature: (JJ)I
 */
JNIEXPORT jint JNICALL
    Java_org_apache_tomcat_modules_server_JNIConnectionHandler_getNumberOfHeaders
    (JNIEnv * env, jobject o, jlong s, jlong l)
{
    /* [V] Convert indirectly from jlong -> int -> pointer to shut up gcc */
    /*     I hope it's okay on other compilers and/or machines...         */
    jk_ws_service_t *ps = (jk_ws_service_t *)(int)s;
    jk_logger_t *pl = (jk_logger_t *)(int)l;

    jk_log(pl, JK_LOG_DEBUG,
           "Into JNIConnectionHandler::getNumberOfHeaders\n");

    if (!ps) {
        jk_log(pl, JK_LOG_ERROR,
               "In JNIConnectionHandler::getNumberOfHeaders, NULL ws service object\n");
        /* [V] JNIConnectionHandler doesn't handle this */
        return -1;
    }

    jk_log(pl, JK_LOG_DEBUG,
           "Done JNIConnectionHandler::getNumberOfHeaders, found %d headers\n",
           ps->num_headers);
    return (jint) ps->num_headers;
}

/*
 * Class:     org_apache_tomcat_modules_server_JNIConnectionHandler
 * Method:    read
 * Signature: (JJ[BII)I
 */
JNIEXPORT jint JNICALL
    Java_org_apache_tomcat_modules_server_JNIConnectionHandler_read
    (JNIEnv * env, jobject o, jlong s, jlong l, jbyteArray buf, jint from,
     jint cnt)
{
    jk_ws_service_t *ps = (jk_ws_service_t *)(int)s;
    jk_logger_t *pl = (jk_logger_t *)(int)l;
    jint rc = -1;
    jboolean iscommit;
    jbyte *nbuf;
    unsigned nfrom = (unsigned)from;
    unsigned ncnt = (unsigned)cnt;
    unsigned acc = 0;

    jk_log(pl, JK_LOG_DEBUG, "Into JNIConnectionHandler::read\n");

    if (!ps) {
        jk_log(pl, JK_LOG_ERROR,
               "In JNIConnectionHandler::read, NULL ws service object\n");
        return -1;
    }

    nbuf = (*env)->GetByteArrayElements(env, buf, &iscommit);

    if (!nbuf) {
        jk_log(pl, JK_LOG_ERROR,
               "In JNIConnectionHandler::read, GetByteArrayElements error\n");
        return -1;
    }

    if (!ps->read(ps, nbuf + nfrom, ncnt, &acc)) {
        jk_log(pl, JK_LOG_ERROR,
               "In JNIConnectionHandler::read, failed to read from web server\n");
    }
    else {
        rc = (jint) acc;
    }

    (*env)->ReleaseByteArrayElements(env, buf, nbuf, 0);

    jk_log(pl, JK_LOG_DEBUG, "Done JNIConnectionHandler::read\n");
    return rc;
}

/*
 * Class:     org_apache_tomcat_modules_server_JNIConnectionHandler
 * Method:    readEnvironment
 * Signature: (JJ[Ljava/lang/String;)I
 */
JNIEXPORT jint JNICALL
    Java_org_apache_tomcat_modules_server_JNIConnectionHandler_readEnvironment
    (JNIEnv * env, jobject o, jlong s, jlong l, jobjectArray envbuf)
{
    jk_ws_service_t *ps = (jk_ws_service_t *)(int)s;
    jk_logger_t *pl = (jk_logger_t *)(int)l;
    char port[10];

    jk_log(pl, JK_LOG_DEBUG,
           "Into JNIConnectionHandler::readEnvironment. Environment follows --->\n");

    if (!ps) {
        jk_log(pl, JK_LOG_ERROR,
               "In JNIConnectionHandler::readEnvironment, NULL ws service object\n");
        return JK_FALSE;
    }

    sprintf(port, "%d", ps->server_port);

    if (ps->method) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      0,
                                      (*env)->NewStringUTF(env, ps->method));
        jk_log(pl, JK_LOG_DEBUG, "---> method: %s\n", ps->method);
    }
    if (ps->req_uri) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      1,
                                      (*env)->NewStringUTF(env, ps->req_uri));
        jk_log(pl, JK_LOG_DEBUG, "---> req_uri: %s\n", ps->req_uri);
    }
    if (ps->query_string) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      2,
                                      (*env)->NewStringUTF(env,
                                                           ps->query_string));
        jk_log(pl, JK_LOG_DEBUG, "---> query_string: %s\n", ps->query_string);
    }
    if (ps->remote_addr) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      3,
                                      (*env)->NewStringUTF(env,
                                                           ps->remote_addr));
        jk_log(pl, JK_LOG_DEBUG, "---> remote_addr: %s\n", ps->remote_addr);
    }
    if (ps->remote_host) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      4,
                                      (*env)->NewStringUTF(env,
                                                           ps->remote_host));
        jk_log(pl, JK_LOG_DEBUG, "---> remote_host: %s\n", ps->remote_host);
    }
    if (ps->server_name) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      5,
                                      (*env)->NewStringUTF(env,
                                                           ps->server_name));
        jk_log(pl, JK_LOG_DEBUG, "---> server_name: %s\n", ps->server_name);
    }

    (*env)->SetObjectArrayElement(env,
                                  envbuf, 6, (*env)->NewStringUTF(env, port));
    jk_log(pl, JK_LOG_DEBUG, "---> server_port: %s\n", port);

    if (ps->auth_type) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      7,
                                      (*env)->NewStringUTF(env,
                                                           ps->auth_type));
        jk_log(pl, JK_LOG_DEBUG, "---> auth_type: %s\n", ps->auth_type);
    }
    if (ps->remote_user) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      8,
                                      (*env)->NewStringUTF(env,
                                                           ps->remote_user));
        jk_log(pl, JK_LOG_DEBUG, "---> remote_user: %s\n", ps->remote_user);
    }
    if (ps->is_ssl) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      9, (*env)->NewStringUTF(env, "https"));
    }
    else {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      9, (*env)->NewStringUTF(env, "http"));
    }
    jk_log(pl, JK_LOG_DEBUG, "---> is_ssl: %s\n", ps->is_ssl ? "yes" : "no");

    if (ps->protocol) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      10,
                                      (*env)->NewStringUTF(env,
                                                           ps->protocol));
        jk_log(pl, JK_LOG_DEBUG, "---> protocol: %s\n", ps->protocol);
    }
    if (ps->server_software) {
        (*env)->SetObjectArrayElement(env,
                                      envbuf,
                                      11,
                                      (*env)->NewStringUTF(env,
                                                           ps->
                                                           server_software));
        jk_log(pl, JK_LOG_DEBUG, "---> server_software: %s\n",
               ps->server_software);
    }
    if (ps->is_ssl) {
        if (ps->ssl_cert) {
            (*env)->SetObjectArrayElement(env,
                                          envbuf,
                                          12,
                                          (*env)->NewStringUTF(env,
                                                               ps->ssl_cert));
            jk_log(pl, JK_LOG_DEBUG, "---> ssl_cert: %s\n", ps->ssl_cert);
        }

        if (ps->ssl_cipher) {
            (*env)->SetObjectArrayElement(env,
                                          envbuf,
                                          13,
                                          (*env)->NewStringUTF(env,
                                                               ps->
                                                               ssl_cipher));
            jk_log(pl, JK_LOG_DEBUG, "---> ssl_cipher: %s\n", ps->ssl_cipher);
        }

        if (ps->ssl_session) {