209 lines
4.7 KiB
C
209 lines
4.7 KiB
C
/*
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*
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Copyright (c) Dialogic(R), 2011
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*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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*
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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*
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/*! \file
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* \brief Implements interface to diva trace system
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*/
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#include <stdio.h>
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#include "chan_capi20.h"
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#include "chan_capi.h"
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#ifdef CC_AST_HAS_VERSION_1_4
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#include <asterisk.h>
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#endif
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#include <asterisk/logger.h>
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#include <asterisk/module.h>
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#include <asterisk/cli.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "divaverbose.h"
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static int verbose_registered;
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AST_MUTEX_DEFINE_STATIC(dbgIfcLock);
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static volatile int divaDbgIfc = -1;
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#ifdef CC_AST_HAS_VERSION_1_6
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static
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#endif
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char capi_do_verbose_usage[] =
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"Usage: " CC_MESSAGE_NAME " verbose\n"
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" Connect to debug driver.\n";
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#ifdef CC_AST_HAS_VERSION_1_6
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static
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#endif
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char capi_no_verbose_usage[] =
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"Usage: " CC_MESSAGE_NAME " no verbose\n"
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" Disconnect from debug driver.\n";
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static void open_diva_mnt(void)
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{
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cc_mutex_lock(&dbgIfcLock);
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if (divaDbgIfc < 0) {
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divaDbgIfc = open("/dev/DivasDBGIFC", O_WRONLY);
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}
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cc_mutex_unlock(&dbgIfcLock);
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}
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#if (!defined(CC_AST_HAS_VERSION_1_4) && !defined(CC_AST_HAS_VERSION_1_6) && !defined(CC_AST_HAS_VERSION_1_8))
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static void diva_verbose_write (const char *info, int opos, int replacelast, int complete)
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#else
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static void diva_verbose_write (const char *info)
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#endif
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{
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if (divaDbgIfc < 0) {
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open_diva_mnt();
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}
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if (divaDbgIfc >= 0) {
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write (divaDbgIfc, info, strlen(info));
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}
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}
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static int diva_verbose_start(void)
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{
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if (verbose_registered == 0) {
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verbose_registered = (ast_register_verbose(diva_verbose_write) == 0);
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}
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return ((verbose_registered != 0) ? 0 : -1);
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}
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static int diva_verbose_stop(void)
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{
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if (verbose_registered != 0) {
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verbose_registered = !(ast_unregister_verbose(diva_verbose_write) == 0);
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}
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if ((verbose_registered == 0) && (divaDbgIfc >= 0)) {
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close(divaDbgIfc);
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divaDbgIfc = -1;
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}
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return ((verbose_registered == 0) ? 0 : -1);
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}
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/*
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* enable debugging
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*/
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#ifdef CC_AST_HAS_VERSION_1_6
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char *pbxcli_capi_do_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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#else
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int pbxcli_capi_do_verbose(int fd, int argc, char *argv[])
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#endif
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{
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int ret;
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#ifdef CC_AST_HAS_VERSION_1_6
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int fd = a->fd;
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if (cmd == CLI_INIT) {
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e->command = CC_MESSAGE_NAME " verbose";
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e->usage = capi_do_verbose_usage;
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return NULL;
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} else if (cmd == CLI_GENERATE)
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return NULL;
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if (a->argc != e->args)
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return CLI_SHOWUSAGE;
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#else
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if (argc != 2)
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return RESULT_SHOWUSAGE;
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#endif
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ret = diva_verbose_start();
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if (ret == 0) {
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ast_cli(fd, CC_MESSAGE_BIGNAME " Message Verboser Enabled\n");
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} else {
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ast_cli(fd, CC_MESSAGE_BIGNAME " Failed to enable Message Verboser\n");
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}
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#ifdef CC_AST_HAS_VERSION_1_6
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return ((ret == 0) ? CLI_SUCCESS : CLI_FAILURE);
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#else
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return ((ret == 0) ? RESULT_SUCCESS : RESULT_FAILURE);
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#endif
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}
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/*
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* disable debugging
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*/
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#ifdef CC_AST_HAS_VERSION_1_6
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char *pbxcli_capi_no_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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#else
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int pbxcli_capi_no_verbose(int fd, int argc, char *argv[])
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#endif
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{
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int ret;
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#ifdef CC_AST_HAS_VERSION_1_6
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int fd = a->fd;
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if (cmd == CLI_INIT) {
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e->command = CC_MESSAGE_NAME " no verbose";
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e->usage = capi_no_verbose_usage;
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return NULL;
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} else if (cmd == CLI_GENERATE)
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return NULL;
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if (a->argc != e->args)
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return CLI_SHOWUSAGE;
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#else
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if (argc != 3)
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return RESULT_SHOWUSAGE;
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#endif
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ret = diva_verbose_stop();
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if (ret == 0) {
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ast_cli(fd, CC_MESSAGE_BIGNAME " Message Verboser Disabled\n");
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} else {
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ast_cli(fd, CC_MESSAGE_BIGNAME " Failed to disable Message Verboser\n");
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}
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#ifdef CC_AST_HAS_VERSION_1_6
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return ((ret == 0) ? CLI_SUCCESS : CLI_FAILURE);
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#else
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return ((ret == 0) ? RESULT_SUCCESS : RESULT_FAILURE);
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#endif
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}
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void diva_verbose_load(void)
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{
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divaDbgIfc = -1;
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open_diva_mnt();
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if (divaDbgIfc >= 0) {
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diva_verbose_start();
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}
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}
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void diva_verbose_unload(void)
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{
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if (verbose_registered != 0) {
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verbose_registered = !(ast_unregister_verbose(diva_verbose_write) == 0);
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}
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if (verbose_registered != 0)
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cc_mutex_lock(&dbgIfcLock);
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if (divaDbgIfc >= 0) {
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close(divaDbgIfc);
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divaDbgIfc = -1;
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}
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if (verbose_registered != 0)
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cc_mutex_unlock(&dbgIfcLock);
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}
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