6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * Copyright (c) 2013 by Luis Ontanon <luis@ontanon.org>
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
29 #include "echld-int.h"
30 #include "echld-util.h"
40 static long timevaldiff(struct timeval *starttime, struct timeval *finishtime) {
42 msec=(finishtime->tv_sec-starttime->tv_sec)*1000;
43 msec+=(finishtime->tv_usec-starttime->tv_usec)/1000;
47 static gboolean pong(echld_msg_type_t type, GByteArray* ba _U_, void* data) {
48 struct _ping* p = (struct _ping*)data;
51 gettimeofday(&t,NULL);
56 ret = timevaldiff(&(p->tv),&t);
63 if (p->cb) p->cb(ret, p->cb_data);
71 extern echld_state_t echld_ping(int chld_id, echld_ping_cb_t pcb, void* cb_data) {
72 struct _ping* p = g_new0(struct _ping,1);
76 gettimeofday(&(p->tv),NULL);
78 return echld_reqh(chld_id, ECHLD_PING, 0, NULL, pong, p);
86 echld_bool_t (*dec)(enc_msg_t*, char**, char**);
87 echld_bool_t (*dec_err)(enc_msg_t*, int* , char**);
91 #define CHNULL ((char*)NULL)
93 static gboolean got_param(echld_msg_type_t type, GByteArray* ba _U_, void* data) {
94 struct _get_param* g = (struct _get_param*)data;
102 g->dec(ba,¶m,&value);
103 g->cb(param,value,NULL,g->cb_data);
109 g->dec_err(ba,&errnum,&err_msg);
110 g->cb(NULL,NULL,err_msg,g->cb_data);
114 err_msg = g_strdup_printf("other type='%s'",TY(type));
115 g->cb(NULL,NULL,err_msg,g->cb_data);
124 extern echld_state_t echld_get_param(int chld_id, const char* param, echld_param_cb_t acb, void* cb_data) {
125 struct _get_param* g = g_new0(struct _get_param,1);
126 echld_parent_encoder_t* enc;
127 parent_decoder_t* dec;
130 echld_get_all_codecs(NULL, NULL, &enc, &dec);
132 em = enc->get_param(param);
136 g->cb_data = cb_data;
138 g->dec_err = dec->error;
140 return echld_reqh(chld_id, ECHLD_GET_PARAM, 0, em, got_param, g);
143 extern echld_state_t echld_set_param(int chld_id, const char* param, const char* value, echld_param_cb_t acb, void* cb_data) {
144 struct _get_param* g = g_new0(struct _get_param,1);
145 echld_parent_encoder_t* enc;
146 parent_decoder_t* dec;
149 echld_get_all_codecs(NULL, NULL, &enc, &dec);
151 em = enc->set_param(param,value);
155 g->cb_data = cb_data;
157 g->dec_err = dec->error;
159 return echld_reqh(chld_id, ECHLD_SET_PARAM, 0, em, got_param, g);
162 typedef struct _close {
167 static gboolean closed(echld_msg_type_t type, GByteArray* ba, void* data) {
168 close_t* c = (close_t*)data;
169 parent_decoder_t* dec;
172 echld_get_all_codecs(NULL, NULL, NULL, &dec);
175 case ECHLD_CLOSING: {
177 c->cb(NULL,c->cb_data);
184 if ( dec->error(ba, &errnum ,&err_msg) ) {
185 c->cb(err_msg,c->cb_data);
188 c->cb("Canot decode error message",c->cb_data);
193 err_msg = g_strdup_printf("other type='%s'",TY(type));
194 c->cb(err_msg,c->cb_data);
204 echld_state_t echld_close(int child_id, echld_close_cb_t pcb, void* cb_data) {
205 close_t* c = g_new0(close_t,1);
207 c->cb_data = cb_data;
209 return echld_reqh(child_id,ECHLD_CLOSE_CHILD, 0, NULL, closed, c);