forked from osmocom/wireshark
296591399f
(Using sed : sed -i '/^ \* \$Id\$/,+1 d') Fix manually some typo (in export_object_dicom.c and crc16-plain.c) Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8 Reviewed-on: https://code.wireshark.org/review/497 Reviewed-by: Anders Broman <a.broman58@gmail.com>
211 lines
4.7 KiB
C
211 lines
4.7 KiB
C
/* echld-util.c
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* utility for echld
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Copyright (c) 2013 by Luis Ontanon <luis@ontanon.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) 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; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "echld-int.h"
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#include "echld-util.h"
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#include <glib.h>
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struct _ping {
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struct timeval tv;
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echld_ping_cb_t cb;
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void* cb_data;
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};
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static long timevaldiff(struct timeval *starttime, struct timeval *finishtime) {
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long msec;
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msec=(finishtime->tv_sec-starttime->tv_sec)*1000;
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msec+=(finishtime->tv_usec-starttime->tv_usec)/1000;
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return msec;
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}
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static gboolean pong(echld_msg_type_t type, GByteArray* ba _U_, void* data) {
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struct _ping* p = (struct _ping*)data;
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struct timeval t;
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long ret = -1;
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gettimeofday(&t,NULL);
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switch (type) {
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case ECHLD_PONG:
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ret = timevaldiff(&(p->tv),&t);
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break;
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default:
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ret = -1;
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break;
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}
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if (p->cb) p->cb(ret, p->cb_data);
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g_free(p);
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return TRUE;
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}
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extern echld_state_t echld_ping(int chld_id, echld_ping_cb_t pcb, void* cb_data) {
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struct _ping* p = g_new0(struct _ping,1);
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p->cb = pcb;
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p->cb_data = cb_data;
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gettimeofday(&(p->tv),NULL);
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return echld_reqh(chld_id, ECHLD_PING, 0, NULL, pong, p);
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}
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struct _get_param {
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const char* name;
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echld_param_cb_t cb;
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void* cb_data;
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echld_bool_t (*dec)(enc_msg_t*, char**, char**);
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echld_bool_t (*dec_err)(enc_msg_t*, int* , char**);
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const char** err_msg;
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};
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#define CHNULL ((char*)NULL)
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static gboolean got_param(echld_msg_type_t type, GByteArray* ba _U_, void* data) {
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struct _get_param* g = (struct _get_param*)data;
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char* err_msg;
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switch (type) {
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case ECHLD_PARAM:
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if (g->cb) {
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char* param;
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char* value;
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g->dec(ba,¶m,&value);
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g->cb(param,value,NULL,g->cb_data);
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}
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break;
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case ECHLD_ERROR: {
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int errnum;
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g->dec_err(ba,&errnum,&err_msg);
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g->cb(NULL,NULL,err_msg,g->cb_data);
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break;
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}
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default:
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err_msg = g_strdup_printf("other type='%s'",TY(type));
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g->cb(NULL,NULL,err_msg,g->cb_data);
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g_free(err_msg);
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break;
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}
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g_free(g);
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return TRUE;
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}
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extern echld_state_t echld_get_param(int chld_id, const char* param, echld_param_cb_t acb, void* cb_data) {
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struct _get_param* g = g_new0(struct _get_param,1);
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echld_parent_encoder_t* enc;
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parent_decoder_t* dec;
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enc_msg_t* em;
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echld_get_all_codecs(NULL, NULL, &enc, &dec);
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em = enc->get_param(param);
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g->name = param;
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g->cb = acb;
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g->cb_data = cb_data;
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g->dec = dec->param;
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g->dec_err = dec->error;
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return echld_reqh(chld_id, ECHLD_GET_PARAM, 0, em, got_param, g);
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}
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extern echld_state_t echld_set_param(int chld_id, const char* param, const char* value, echld_param_cb_t acb, void* cb_data) {
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struct _get_param* g = g_new0(struct _get_param,1);
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echld_parent_encoder_t* enc;
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parent_decoder_t* dec;
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enc_msg_t* em;
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echld_get_all_codecs(NULL, NULL, &enc, &dec);
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em = enc->set_param(param,value);
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g->name = param;
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g->cb = acb;
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g->cb_data = cb_data;
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g->dec = dec->param;
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g->dec_err = dec->error;
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return echld_reqh(chld_id, ECHLD_SET_PARAM, 0, em, got_param, g);
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}
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typedef struct _close {
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echld_close_cb_t cb;
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void* cb_data;
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} close_t;
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static gboolean closed(echld_msg_type_t type, GByteArray* ba, void* data) {
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close_t* c = (close_t*)data;
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parent_decoder_t* dec;
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char* err_msg;
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echld_get_all_codecs(NULL, NULL, NULL, &dec);
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switch (type) {
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case ECHLD_CLOSING: {
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if (c->cb) {
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c->cb(NULL,c->cb_data);
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}
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break;
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}
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case ECHLD_ERROR: {
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int errnum;
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if ( dec->error(ba, &errnum ,&err_msg) ) {
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c->cb(err_msg,c->cb_data);
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g_free(err_msg);
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} else {
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c->cb("Canot decode error message",c->cb_data);
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}
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break;
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}
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default:
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err_msg = g_strdup_printf("other type='%s'",TY(type));
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c->cb(err_msg,c->cb_data);
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g_free(err_msg);
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break;
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}
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g_free(c);
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return TRUE;
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}
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echld_state_t echld_close(int child_id, echld_close_cb_t pcb, void* cb_data) {
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close_t* c = g_new0(close_t,1);
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c->cb = pcb;
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c->cb_data = cb_data;
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return echld_reqh(child_id,ECHLD_CLOSE_CHILD, 0, NULL, closed, c);
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}
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