app_test.c

Go to the documentation of this file.

/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 1999 - 2005, Digium, Inc.
 *
 * Mark Spencer <markster@digium.com>
 * Russell Bryant <russelb@clemson.edu>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */
 
/*! \file
 *
 * \brief Applications to test connection and produce report in text file
 *
 * \author Mark Spencer <markster@digium.com>
 * \author Russell Bryant <russelb@clemson.edu>
 *
 * \ingroup applications
 */
 
/*** MODULEINFO
    <support_level>extended</support_level>
 ***/
 
#include "asterisk.h"
 
#include <sys/stat.h>
 
#include "asterisk/paths.h" /* use ast_config_AST_LOG_DIR */
#include "asterisk/channel.h"
#include "asterisk/module.h"
#include "asterisk/lock.h"
#include "asterisk/app.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/format_cache.h"
 
/*** DOCUMENTATION
    <application name="TestServer" language="en_US">
        <synopsis>
            Execute Interface Test Server.
        </synopsis>
        <syntax />
        <description>
            <para>Perform test server function and write call report. Results stored in
            <filename>/var/log/asterisk/testreports/&lt;testid&gt;-server.txt</filename></para>
        </description>
        <see-also>
            <ref type="application">TestClient</ref>
        </see-also>
    </application>
    <application name="TestClient" language="en_US">
        <synopsis>
            Execute Interface Test Client.
        </synopsis>
        <syntax>
            <parameter name="testid" required="true">
                <para>An ID to identify this test.</para>
            </parameter>
        </syntax>
        <description>
            <para>Executes test client with given <replaceable>testid</replaceable>. Results stored in
            <filename>/var/log/asterisk/testreports/&lt;testid&gt;-client.txt</filename></para>
        </description>
        <see-also>
            <ref type="application">TestServer</ref>
        </see-also>
    </application>
 ***/
 
static char *tests_app = "TestServer";
static char *testc_app = "TestClient";
 
static int measurenoise(struct ast_channel *chan, int ms, char *who)
{
    int res=0;
    int mssofar;
    int noise=0;
    int samples=0;
    int x;
    short *foo;
    struct timeval start;
    struct ast_frame *f;
    struct ast_format *rformat;
 
    rformat = ao2_bump(ast_channel_readformat(chan));
    if (ast_set_read_format(chan, ast_format_slin)) {
        ast_log(LOG_NOTICE, "Unable to set to linear mode!\n");
        ao2_cleanup(rformat);
        return -1;
    }
    start = ast_tvnow();
    for(;;) {
        mssofar = ast_tvdiff_ms(ast_tvnow(), start);
        if (mssofar > ms)
            break;
        res = ast_waitfor(chan, ms - mssofar);
        if (res < 1)
            break;
        f = ast_read(chan);
        if (!f) {
            res = -1;
            break;
        }
        if ((f->frametype == AST_FRAME_VOICE) &&
            (ast_format_cmp(f->subclass.format, ast_format_slin) == AST_FORMAT_CMP_EQUAL)) {
            foo = (short *)f->data.ptr;
            for (x=0;x<f->samples;x++) {
                noise += abs(foo[x]);
                samples++;
            }
        }
        ast_frfree(f);
    }
 
    if (rformat) {
        if (ast_set_read_format(chan, rformat)) {
            ast_log(LOG_NOTICE, "Unable to restore original format!\n");
            ao2_ref(rformat, -1);
            return -1;
        }
        ao2_ref(rformat, -1);
    }
    if (res < 0)
        return res;
    if (!samples) {
        ast_log(LOG_NOTICE, "No samples were received from the other side!\n");
        return -1;
    }
    ast_debug(1, "%s: Noise: %d, samples: %d, avg: %d\n", who, noise, samples, noise / samples);
    return (noise / samples);
}
 
static int sendnoise(struct ast_channel *chan, int ms)
{
    int res;
    res = ast_tonepair_start(chan, 1537, 2195, ms, 8192);
    if (!res) {
        res = ast_waitfordigit(chan, ms);
        ast_tonepair_stop(chan);
    }
    return res;
}
 
static int testclient_exec(struct ast_channel *chan, const char *data)
{
    int res = 0;
    const char *testid=data;
    char fn[80];
    char serverver[80];
    FILE *f;
 
    /* Check for test id */
    if (ast_strlen_zero(testid)) {
        ast_log(LOG_WARNING, "TestClient requires an argument - the test id\n");
        return -1;
    }
 
    if (ast_channel_state(chan) != AST_STATE_UP)
        res = ast_answer(chan);
 
    /* Wait a few just to be sure things get started */
    res = ast_safe_sleep(chan, 3000);
    /* Transmit client version */
    if (!res)
        res = ast_dtmf_stream(chan, NULL, "8378*1#", 0, 0);
    ast_debug(1, "Transmit client version\n");
 
    /* Read server version */
    ast_debug(1, "Read server version\n");
    if (!res)
        res = ast_app_getdata(chan, NULL, serverver, sizeof(serverver) - 1, 0);
    if (res > 0)
        res = 0;
    ast_debug(1, "server version: %s\n", serverver);
 
    if (res > 0)
        res = 0;
 
    if (!res)
        res = ast_safe_sleep(chan, 1000);
    /* Send test id */
    if (!res)
        res = ast_dtmf_stream(chan, NULL, testid, 0, 0);
    if (!res)
        res = ast_dtmf_stream(chan, NULL, "#", 0, 0);
    ast_debug(1, "send test identifier: %s\n", testid);
 
    if ((res >=0) && (!ast_strlen_zero(testid))) {
        /* Make the directory to hold the test results in case it's not there */
        snprintf(fn, sizeof(fn), "%s/testresults", ast_config_AST_LOG_DIR);
        ast_mkdir(fn, 0777);
        snprintf(fn, sizeof(fn), "%s/testresults/%s-client.txt", ast_config_AST_LOG_DIR, testid);
        if ((f = fopen(fn, "w+"))) {
            setlinebuf(f);
            fprintf(f, "CLIENTCHAN:    %s\n", ast_channel_name(chan));
            fprintf(f, "CLIENTTEST ID: %s\n", testid);
            fprintf(f, "ANSWER:        PASS\n");
            res = 0;
 
            if (!res) {
                /* Step 1: Wait for "1" */
                ast_debug(1, "TestClient: 2.  Wait DTMF 1\n");
                res = ast_waitfordigit(chan, 3000);
                fprintf(f, "WAIT DTMF 1:   %s\n", (res != '1') ? "FAIL" : "PASS");
                if (res == '1')
                    res = 0;
                else
                    res = -1;
            }
            if (!res) {
                res = ast_safe_sleep(chan, 1000);
            }
            if (!res) {
                /* Step 2: Send "2" */
                ast_debug(1, "TestClient: 2.  Send DTMF 2\n");
                res = ast_dtmf_stream(chan, NULL, "2", 0, 0);
                fprintf(f, "SEND DTMF 2:   %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 3: Wait one second */
                ast_debug(1, "TestClient: 3.  Wait one second\n");
                res = ast_safe_sleep(chan, 1000);
                fprintf(f, "WAIT 1 SEC:    %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 4: Measure noise */
                ast_debug(1, "TestClient: 4.  Measure noise\n");
                res = measurenoise(chan, 5000, "TestClient");
                fprintf(f, "MEASURENOISE:  %s (%d)\n", (res < 0) ? "FAIL" : "PASS", res);
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 5: Wait for "4" */
                ast_debug(1, "TestClient: 5.  Wait DTMF 4\n");
                res = ast_waitfordigit(chan, 3000);
                fprintf(f, "WAIT DTMF 4:   %s\n", (res != '4') ? "FAIL" : "PASS");
                if (res == '4')
                    res = 0;
                else
                    res = -1;
            }
            if (!res) {
                /* Step 6: Transmit tone noise */
                ast_debug(1, "TestClient: 6.  Transmit tone\n");
                res = sendnoise(chan, 6000);
                fprintf(f, "SENDTONE:      %s\n", (res < 0) ? "FAIL" : "PASS");
            }
            if (!res || (res == '5')) {
                /* Step 7: Wait for "5" */
                ast_debug(1, "TestClient: 7.  Wait DTMF 5\n");
                if (!res)
                    res = ast_waitfordigit(chan, 3000);
                fprintf(f, "WAIT DTMF 5:   %s\n", (res != '5') ? "FAIL" : "PASS");
                if (res == '5')
                    res = 0;
                else
                    res = -1;
            }
            if (!res) {
                /* Step 8: Wait one second */
                ast_debug(1, "TestClient: 8.  Wait one second\n");
                res = ast_safe_sleep(chan, 1000);
                fprintf(f, "WAIT 1 SEC:    %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 9: Measure noise */
                ast_debug(1, "TestClient: 9.  Measure tone\n");
                res = measurenoise(chan, 4000, "TestClient");
                fprintf(f, "MEASURETONE:   %s (%d)\n", (res < 0) ? "FAIL" : "PASS", res);
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 10: Send "7" */
                ast_debug(1, "TestClient: 10.  Send DTMF 7\n");
                res = ast_dtmf_stream(chan, NULL, "7", 0, 0);
                fprintf(f, "SEND DTMF 7:   %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res =0;
            }
            if (!res) {
                /* Step 11: Wait for "8" */
                ast_debug(1, "TestClient: 11.  Wait DTMF 8\n");
                res = ast_waitfordigit(chan, 3000);
                fprintf(f, "WAIT DTMF 8:   %s\n", (res != '8') ? "FAIL" : "PASS");
                if (res == '8')
                    res = 0;
                else
                    res = -1;
            }
            if (!res) {
                res = ast_safe_sleep(chan, 1000);
            }
            if (!res) {
                /* Step 12: Hangup! */
                ast_debug(1, "TestClient: 12.  Hangup\n");
            }
 
            ast_debug(1, "-- TEST COMPLETE--\n");
            fprintf(f, "-- END TEST--\n");
            fclose(f);
            res = -1;
        } else
            res = -1;
    } else {
        ast_log(LOG_NOTICE, "Did not read a test ID on '%s'\n", ast_channel_name(chan));
        res = -1;
    }
    return res;
}
 
static int testserver_exec(struct ast_channel *chan, const char *data)
{
    int res = 0;
    char testid[80]="";
    FILE *f;
    if (ast_channel_state(chan) != AST_STATE_UP)
        res = ast_answer(chan);
    /* Read version */
    ast_debug(1, "Read client version\n");
    if (!res)
        res = ast_app_getdata(chan, NULL, testid, sizeof(testid) - 1, 0);
    if (res > 0)
        res = 0;
 
    ast_debug(1, "client version: %s\n", testid);
    ast_debug(1, "Transmit server version\n");
 
    res = ast_safe_sleep(chan, 1000);
    if (!res)
        res = ast_dtmf_stream(chan, NULL, "8378*1#", 0, 0);
    if (res > 0)
        res = 0;
 
    if (!res)
        res = ast_app_getdata(chan, NULL, testid, sizeof(testid) - 1, 0);
    ast_debug(1, "read test identifier: %s\n", testid);
    /* Check for sneakiness */
    if (strchr(testid, '/'))
        res = -1;
    if ((res >=0) && (!ast_strlen_zero(testid))) {
        char fn[PATH_MAX];
 
        /* Got a Test ID!  Whoo hoo! */
        /* Make the directory to hold the test results in case it's not there */
        snprintf(fn, sizeof(fn), "%s/testresults", ast_config_AST_LOG_DIR);
        ast_mkdir(fn, 0777);
        snprintf(fn, sizeof(fn), "%s/testresults/%s-server.txt", ast_config_AST_LOG_DIR, testid);
        if ((f = fopen(fn, "w+"))) {
            setlinebuf(f);
            fprintf(f, "SERVERCHAN:    %s\n", ast_channel_name(chan));
            fprintf(f, "SERVERTEST ID: %s\n", testid);
            fprintf(f, "ANSWER:        PASS\n");
            ast_debug(1, "Processing Test ID '%s'\n", testid);
            res = ast_safe_sleep(chan, 1000);
            if (!res) {
                /* Step 1: Send "1" */
                ast_debug(1, "TestServer: 1.  Send DTMF 1\n");
                res = ast_dtmf_stream(chan, NULL, "1", 0,0 );
                fprintf(f, "SEND DTMF 1:   %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 2: Wait for "2" */
                ast_debug(1, "TestServer: 2.  Wait DTMF 2\n");
                res = ast_waitfordigit(chan, 3000);
                fprintf(f, "WAIT DTMF 2:   %s\n", (res != '2') ? "FAIL" : "PASS");
                if (res == '2')
                    res = 0;
                else
                    res = -1;
            }
            if (!res) {
                /* Step 3: Measure noise */
                ast_debug(1, "TestServer: 3.  Measure noise\n");
                res = measurenoise(chan, 6000, "TestServer");
                fprintf(f, "MEASURENOISE:  %s (%d)\n", (res < 0) ? "FAIL" : "PASS", res);
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 4: Send "4" */
                ast_debug(1, "TestServer: 4.  Send DTMF 4\n");
                res = ast_dtmf_stream(chan, NULL, "4", 0, 0);
                fprintf(f, "SEND DTMF 4:   %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 5: Wait one second */
                ast_debug(1, "TestServer: 5.  Wait one second\n");
                res = ast_safe_sleep(chan, 1000);
                fprintf(f, "WAIT 1 SEC:    %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 6: Measure noise */
                ast_debug(1, "TestServer: 6.  Measure tone\n");
                res = measurenoise(chan, 4000, "TestServer");
                fprintf(f, "MEASURETONE:   %s (%d)\n", (res < 0) ? "FAIL" : "PASS", res);
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 7: Send "5" */
                ast_debug(1, "TestServer: 7.  Send DTMF 5\n");
                res = ast_dtmf_stream(chan, NULL, "5", 0, 0);
                fprintf(f, "SEND DTMF 5:   %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 8: Transmit tone noise */
                ast_debug(1, "TestServer: 8.  Transmit tone\n");
                res = sendnoise(chan, 6000);
                fprintf(f, "SENDTONE:      %s\n", (res < 0) ? "FAIL" : "PASS");
            }
 
            if (!res || (res == '7')) {
                /* Step 9: Wait for "7" */
                ast_debug(1, "TestServer: 9.  Wait DTMF 7\n");
                if (!res)
                    res = ast_waitfordigit(chan, 3000);
                fprintf(f, "WAIT DTMF 7:   %s\n", (res != '7') ? "FAIL" : "PASS");
                if (res == '7')
                    res = 0;
                else
                    res = -1;
            }
            if (!res) {
                res = ast_safe_sleep(chan, 1000);
            }
            if (!res) {
                /* Step 10: Send "8" */
                ast_debug(1, "TestServer: 10.  Send DTMF 8\n");
                res = ast_dtmf_stream(chan, NULL, "8", 0, 0);
                fprintf(f, "SEND DTMF 8:   %s\n", (res < 0) ? "FAIL" : "PASS");
                if (res > 0)
                    res = 0;
            }
            if (!res) {
                /* Step 11: Wait for hangup to arrive! */
                ast_debug(1, "TestServer: 11.  Waiting for hangup\n");
                res = ast_safe_sleep(chan, 10000);
                fprintf(f, "WAIT HANGUP:   %s\n", (res < 0) ? "PASS" : "FAIL");
            }
 
            ast_log(LOG_NOTICE, "-- TEST COMPLETE--\n");
            fprintf(f, "-- END TEST--\n");
            fclose(f);
            res = -1;
        } else
            res = -1;
    } else {
        ast_log(LOG_NOTICE, "Did not read a test ID on '%s'\n", ast_channel_name(chan));
        res = -1;
    }
    return res;
}
 
static int unload_module(void)
{
    int res;
 
    res = ast_unregister_application(testc_app);
    res |= ast_unregister_application(tests_app);
 
    return res;
}
 
static int load_module(void)
{
    int res;
 
    res = ast_register_application_xml(testc_app, testclient_exec);
    res |= ast_register_application_xml(tests_app, testserver_exec);
 
    return res;
}
 
AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Interface Test Application");