WebSVN – HelenOS – Diff – /branches/tracing/uspace/app/trace/ipcp.c


/*
 * Copyright (c) 2008 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup trace
 * @{
 */
/** @file
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <libadt/hash_table.h>
 
#include "ipc_desc.h"
#include "proto.h"
#include "ipcp.h"
 
#define IPCP_CALLID_SYNC 0
 
typedef struct {
    int phone_hash;
    ipc_call_t question;
 
    int call_hash;
 
    link_t link;
} pending_call_t;
 
typedef struct {
    int server;
    proto_t *proto;
} connection_t;
 
#define MAX_PHONE 64
connection_t connections[MAX_PHONE];
int have_conn[MAX_PHONE];
 
#define PCALL_TABLE_CHAINS 32
hash_table_t pending_calls;
 
static hash_index_t pending_call_hash(unsigned long key[]);
static int pending_call_compare(unsigned long key[], hash_count_t keys,
    link_t *item);
static void pending_call_remove_callback(link_t *item);
 
hash_table_operations_t pending_call_ops = {
    .hash = pending_call_hash,
    .compare = pending_call_compare,
    .remove_callback = pending_call_remove_callback
};
 
 
static hash_index_t pending_call_hash(unsigned long key[])
{
//  printf("pending_call_hash\n");
    return key[0] % PCALL_TABLE_CHAINS;
}
 
static int pending_call_compare(unsigned long key[], hash_count_t keys,
    link_t *item)
{
    pending_call_t *hs;
 
//  printf("pending_call_compare\n");
    hs = hash_table_get_instance(item, pending_call_t, link);
 
    return key[0] == hs->call_hash;
}
 
static void pending_call_remove_callback(link_t *item)
{
//  printf("pending_call_remove_callback\n");
}
 
 
void ipcp_connection_set(int phone, int server, proto_t *proto)
{
    if (phone <0 || phone >= MAX_PHONE) return;
    connections[phone].server = server;
    connections[phone].proto = proto;
    have_conn[phone] = 1;
}
 
void ipcp_connection_clear(int phone)
{
    have_conn[phone] = 0;
    connections[phone].server = 0;
    connections[phone].proto = NULL;
}
 
static void ipc_m_print(proto_t *proto, ipcarg_t method)
{
    ipc_m_desc_t *desc;
    oper_t *oper;
 
    /* FIXME: too slow */
    desc = ipc_methods;
    while (desc->number != 0) {
        if (desc->number == method) {
            printf("%s (%d)", desc->name, method);
            return;
        }
 
        ++desc;
    }
 
    if (proto != NULL) {
        oper = proto_get_oper(proto, method);
        if (oper != NULL) {
            printf("%s (%d)", oper->name, method);
            return;
        }
    }
 
    printf("%d", method);
}
 
void ipcp_init(void)
{
    hash_table_create(&pending_calls, PCALL_TABLE_CHAINS, 1, &pending_call_ops);
}
 
void ipcp_cleanup(void)
{
    hash_table_destroy(&pending_calls);
}
 
void ipcp_call_out(int phone, ipc_call_t *call, ipc_callid_t hash)
{
    pending_call_t *pcall;
    proto_t *proto;
    unsigned long key[1];
 
    if (have_conn[phone]) proto = connections[phone].proto;
    else proto = NULL;
 
//  printf("ipcp_call_out()\n");
    printf("call id: 0x%x, phone: %d, proto: %s, method: ", hash, phone,
        (proto ? proto->name : "n/a"));
    ipc_m_print(proto, IPC_GET_METHOD(*call));
    printf(" args: (%u, %u, %u, %u, %u)\n",
        IPC_GET_ARG1(*call),
        IPC_GET_ARG2(*call),
        IPC_GET_ARG3(*call),
        IPC_GET_ARG4(*call),
        IPC_GET_ARG5(*call)
    );
 
    /* Store call in hash table for response matching */
 
    pcall = malloc(sizeof(pending_call_t));
    pcall->phone_hash = phone;
    pcall->question = *call;
    pcall->call_hash = hash;
 
    key[0] = hash;
 
    hash_table_insert(&pending_calls, key, &pcall->link);
}
 
static void parse_answer(pending_call_t *pcall, ipc_call_t *answer)
{
    int phone;
    ipcarg_t method;
    ipcarg_t service;
    int retval;
    static proto_t proto_unknown = { .name = "unknown" };
    proto_t *proto;
    int cphone;
 
//  printf("parse_answer\n");
 
    phone = pcall->phone_hash;
    method = IPC_GET_METHOD(pcall->question);
    retval = IPC_GET_RETVAL(*answer);
    printf("phone=%d, method=%d, retval=%d\n",
        phone, method, retval);
 
    if (phone == 0 && method == IPC_M_CONNECT_ME_TO && retval == 0) {
        /* Connected to a service (through NS) */
        service = IPC_GET_ARG1(pcall->question);
        proto = proto_get_by_srv(service);
        if (proto == NULL) proto = &proto_unknown;
 
        cphone = IPC_GET_ARG5(*answer);
        printf("registering connection (phone %d, protocol: %s)\n", cphone,
            proto->name);
        ipcp_connection_set(cphone, 0, proto);
    }
}
 
void ipcp_call_in(ipc_call_t *call, ipc_callid_t hash)
{
    link_t *item;
    pending_call_t *pcall;
    unsigned long key[1];
 
//  printf("ipcp_call_in()\n");
/*  printf("phone: %d, method: ", call->in_phone_hash);
    ipc_m_print(IPC_GET_METHOD(*call));
    printf(" args: (%u, %u, %u, %u, %u)\n",
        IPC_GET_ARG1(*call),
        IPC_GET_ARG2(*call),
        IPC_GET_ARG3(*call),
        IPC_GET_ARG4(*call),
        IPC_GET_ARG5(*call)
    );*/
 
    if ((hash & IPC_CALLID_ANSWERED) == 0 && hash != IPCP_CALLID_SYNC) {
        /* Not a response */
        printf("Not a response (hash %d)\n", hash);
        return;
    }
 
    hash = hash & ~IPC_CALLID_ANSWERED;
    key[0] = hash;
 
    item = hash_table_find(&pending_calls, key);
    if (item == NULL) return; // No matching question found
   
    pcall = hash_table_get_instance(item, pending_call_t, link);
 
    printf("response matched to question\n");
    hash_table_remove(&pending_calls, key, 1);
 
    parse_answer(pcall, call);
    free(pcall);
}
 
void ipcp_call_sync(int phone, ipc_call_t *call, ipc_call_t *answer)
{
    ipcp_call_out(phone, call, IPCP_CALLID_SYNC);
    ipcp_call_in(answer, IPCP_CALLID_SYNC);
}
 
void ipcp_hangup(int phone, int rc)
{
    printf("hangup phone %d -> %d\n", phone, rc);
    ipcp_connection_clear(phone);
}
 
/** @}
 */
 

Rev 2946	Rev 3435
1	/*	1	/*
2	* Copyright (c) 2008 Jiri Svoboda	2	* Copyright (c) 2008 Jiri Svoboda
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup sctrace	29	/** @addtogroup trace
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <stdio.h>	35	#include <stdio.h>
36	#include <stdlib.h>	36	#include <stdlib.h>
37	#include <libadt/hash_table.h>	37	#include <libadt/hash_table.h>
38		38
39	#include "ipc_desc.h"	39	#include "ipc_desc.h"
40	#include "proto.h"	40	#include "proto.h"
41	#include "ipcp.h"	41	#include "ipcp.h"
42		42
43	#define IPCP_CALLID_SYNC 0	43	#define IPCP_CALLID_SYNC 0
44		44
45	typedef struct {	45	typedef struct {
46	int phone_hash;	46	int phone_hash;
47	ipc_call_t question;	47	ipc_call_t question;
48		48
49	int call_hash;	49	int call_hash;
50		50
51	link_t link;	51	link_t link;
52	} pending_call_t;	52	} pending_call_t;
53		53
54	typedef struct {	54	typedef struct {
55	int server;	55	int server;
56	proto_t *proto;	56	proto_t *proto;
57	} connection_t;	57	} connection_t;
58		58
59	#define MAX_PHONE 64	59	#define MAX_PHONE 64
60	connection_t connections[MAX_PHONE];	60	connection_t connections[MAX_PHONE];
61	int have_conn[MAX_PHONE];	61	int have_conn[MAX_PHONE];
62		62
63	#define PCALL_TABLE_CHAINS 32	63	#define PCALL_TABLE_CHAINS 32
64	hash_table_t pending_calls;	64	hash_table_t pending_calls;
65		65
66	static hash_index_t pending_call_hash(unsigned long key[]);	66	static hash_index_t pending_call_hash(unsigned long key[]);
67	static int pending_call_compare(unsigned long key[], hash_count_t keys,	67	static int pending_call_compare(unsigned long key[], hash_count_t keys,
68	link_t *item);	68	link_t *item);
69	static void pending_call_remove_callback(link_t *item);	69	static void pending_call_remove_callback(link_t *item);
70		70
71	hash_table_operations_t pending_call_ops = {	71	hash_table_operations_t pending_call_ops = {
72	.hash = pending_call_hash,	72	.hash = pending_call_hash,
73	.compare = pending_call_compare,	73	.compare = pending_call_compare,
74	.remove_callback = pending_call_remove_callback	74	.remove_callback = pending_call_remove_callback
75	};	75	};
76		76
77		77
78	static hash_index_t pending_call_hash(unsigned long key[])	78	static hash_index_t pending_call_hash(unsigned long key[])
79	{	79	{
80	// printf("pending_call_hash\n");	80	// printf("pending_call_hash\n");
81	return key[0] % PCALL_TABLE_CHAINS;	81	return key[0] % PCALL_TABLE_CHAINS;
82	}	82	}
83		83
84	static int pending_call_compare(unsigned long key[], hash_count_t keys,	84	static int pending_call_compare(unsigned long key[], hash_count_t keys,
85	link_t *item)	85	link_t *item)
86	{	86	{
87	pending_call_t *hs;	87	pending_call_t *hs;
88		88
89	// printf("pending_call_compare\n");	89	// printf("pending_call_compare\n");
90	hs = hash_table_get_instance(item, pending_call_t, link);	90	hs = hash_table_get_instance(item, pending_call_t, link);
91		91
92	return key[0] == hs->call_hash;	92	return key[0] == hs->call_hash;
93	}	93	}
94		94
95	static void pending_call_remove_callback(link_t *item)	95	static void pending_call_remove_callback(link_t *item)
96	{	96	{
97	// printf("pending_call_remove_callback\n");	97	// printf("pending_call_remove_callback\n");
98	}	98	}
99		99
100		100
101	void ipcp_connection_set(int phone, int server, proto_t *proto)	101	void ipcp_connection_set(int phone, int server, proto_t *proto)
102	{	102	{
103	if (phone <0 \|\| phone >= MAX_PHONE) return;	103	if (phone <0 \|\| phone >= MAX_PHONE) return;
104	connections[phone].server = server;	104	connections[phone].server = server;
105	connections[phone].proto = proto;	105	connections[phone].proto = proto;
106	have_conn[phone] = 1;	106	have_conn[phone] = 1;
107	}	107	}
108		108
109	void ipcp_connection_clear(int phone)	109	void ipcp_connection_clear(int phone)
110	{	110	{
111	have_conn[phone] = 0;	111	have_conn[phone] = 0;
112	connections[phone].server = 0;	112	connections[phone].server = 0;
113	connections[phone].proto = NULL;	113	connections[phone].proto = NULL;
114	}	114	}
115		115
116	static void ipc_m_print(proto_t *proto, ipcarg_t method)	116	static void ipc_m_print(proto_t *proto, ipcarg_t method)
117	{	117	{
118	ipc_m_desc_t *desc;	118	ipc_m_desc_t *desc;
119	oper_t *oper;	119	oper_t *oper;
120		120
121	/* FIXME: too slow */	121	/* FIXME: too slow */
122	desc = ipc_methods;	122	desc = ipc_methods;
123	while (desc->number != 0) {	123	while (desc->number != 0) {
124	if (desc->number == method) {	124	if (desc->number == method) {
125	printf("%s (%d)", desc->name, method);	125	printf("%s (%d)", desc->name, method);
126	return;	126	return;
127	}	127	}
128		128
129	++desc;	129	++desc;
130	}	130	}
131		131
132	if (proto != NULL) {	132	if (proto != NULL) {
133	oper = proto_get_oper(proto, method);	133	oper = proto_get_oper(proto, method);
134	if (oper != NULL) {	134	if (oper != NULL) {
135	printf("%s (%d)", oper->name, method);	135	printf("%s (%d)", oper->name, method);
136	return;	136	return;
137	}	137	}
138	}	138	}
139		139
140	printf("%d", method);	140	printf("%d", method);
141	}	141	}
142		142
143	void ipcp_init(void)	143	void ipcp_init(void)
144	{	144	{
145	hash_table_create(&pending_calls, PCALL_TABLE_CHAINS, 1, &pending_call_ops);	145	hash_table_create(&pending_calls, PCALL_TABLE_CHAINS, 1, &pending_call_ops);
146	}	146	}
147		147
148	void ipcp_cleanup(void)	148	void ipcp_cleanup(void)
149	{	149	{
150	hash_table_destroy(&pending_calls);	150	hash_table_destroy(&pending_calls);
151	}	151	}
152		152
153	void ipcp_call_out(int phone, ipc_call_t *call, ipc_callid_t hash)	153	void ipcp_call_out(int phone, ipc_call_t *call, ipc_callid_t hash)
154	{	154	{
155	pending_call_t *pcall;	155	pending_call_t *pcall;
156	proto_t *proto;	156	proto_t *proto;
157	unsigned long key[1];	157	unsigned long key[1];
158		158
159	if (have_conn[phone]) proto = connections[phone].proto;	159	if (have_conn[phone]) proto = connections[phone].proto;
160	else proto = NULL;	160	else proto = NULL;
161		161
162	// printf("ipcp_call_out()\n");	162	// printf("ipcp_call_out()\n");
163	printf("call id: 0x%x, phone: %d, proto: %s, method: ", hash, phone,	163	printf("call id: 0x%x, phone: %d, proto: %s, method: ", hash, phone,
164	(proto ? proto->name : "n/a"));	164	(proto ? proto->name : "n/a"));
165	ipc_m_print(proto, IPC_GET_METHOD(*call));	165	ipc_m_print(proto, IPC_GET_METHOD(*call));
166	printf(" args: (%u, %u, %u, %u, %u)\n",	166	printf(" args: (%u, %u, %u, %u, %u)\n",
167	IPC_GET_ARG1(*call),	167	IPC_GET_ARG1(*call),
168	IPC_GET_ARG2(*call),	168	IPC_GET_ARG2(*call),
169	IPC_GET_ARG3(*call),	169	IPC_GET_ARG3(*call),
170	IPC_GET_ARG4(*call),	170	IPC_GET_ARG4(*call),
171	IPC_GET_ARG5(*call)	171	IPC_GET_ARG5(*call)
172	);	172	);
173		173
174	/* Store call in hash table for response matching */	174	/* Store call in hash table for response matching */
175		175
176	pcall = malloc(sizeof(pending_call_t));	176	pcall = malloc(sizeof(pending_call_t));
177	pcall->phone_hash = phone;	177	pcall->phone_hash = phone;
178	pcall->question = *call;	178	pcall->question = *call;
179	pcall->call_hash = hash;	179	pcall->call_hash = hash;
180		180
181	key[0] = hash;	181	key[0] = hash;
182		182
183	hash_table_insert(&pending_calls, key, &pcall->link);	183	hash_table_insert(&pending_calls, key, &pcall->link);
184	}	184	}
185		185
186	static void parse_answer(pending_call_t pcall, ipc_call_t answer)	186	static void parse_answer(pending_call_t pcall, ipc_call_t answer)
187	{	187	{
188	int phone;	188	int phone;
189	ipcarg_t method;	189	ipcarg_t method;
190	ipcarg_t service;	190	ipcarg_t service;
191	int retval;	191	int retval;
192	static proto_t proto_unknown = { .name = "unknown" };	192	static proto_t proto_unknown = { .name = "unknown" };
193	proto_t *proto;	193	proto_t *proto;
194	int cphone;	194	int cphone;
195		195
196	// printf("parse_answer\n");	196	// printf("parse_answer\n");
197		197
198	phone = pcall->phone_hash;	198	phone = pcall->phone_hash;
199	method = IPC_GET_METHOD(pcall->question);	199	method = IPC_GET_METHOD(pcall->question);
200	retval = IPC_GET_RETVAL(*answer);	200	retval = IPC_GET_RETVAL(*answer);
201	printf("phone=%d, method=%d, retval=%d\n",	201	printf("phone=%d, method=%d, retval=%d\n",
202	phone, method, retval);	202	phone, method, retval);
203		203
204	if (phone == 0 && method == IPC_M_CONNECT_ME_TO && retval == 0) {	204	if (phone == 0 && method == IPC_M_CONNECT_ME_TO && retval == 0) {
205	/* Connected to a service (through NS) */	205	/* Connected to a service (through NS) */
206	service = IPC_GET_ARG1(pcall->question);	206	service = IPC_GET_ARG1(pcall->question);
207	proto = proto_get_by_srv(service);	207	proto = proto_get_by_srv(service);
208	if (proto == NULL) proto = &proto_unknown;	208	if (proto == NULL) proto = &proto_unknown;
209		209
210	cphone = IPC_GET_ARG5(*answer);	210	cphone = IPC_GET_ARG5(*answer);
211	printf("registering connection (phone %d, protocol: %s)\n", cphone,	211	printf("registering connection (phone %d, protocol: %s)\n", cphone,
212	proto->name);	212	proto->name);
213	ipcp_connection_set(cphone, 0, proto);	213	ipcp_connection_set(cphone, 0, proto);
214	}	214	}
215	}	215	}
216		216
217	void ipcp_call_in(ipc_call_t *call, ipc_callid_t hash)	217	void ipcp_call_in(ipc_call_t *call, ipc_callid_t hash)
218	{	218	{
219	link_t *item;	219	link_t *item;
220	pending_call_t *pcall;	220	pending_call_t *pcall;
221	unsigned long key[1];	221	unsigned long key[1];
222		222
223	// printf("ipcp_call_in()\n");	223	// printf("ipcp_call_in()\n");
224	/* printf("phone: %d, method: ", call->in_phone_hash);	224	/* printf("phone: %d, method: ", call->in_phone_hash);
225	ipc_m_print(IPC_GET_METHOD(*call));	225	ipc_m_print(IPC_GET_METHOD(*call));
226	printf(" args: (%u, %u, %u, %u, %u)\n",	226	printf(" args: (%u, %u, %u, %u, %u)\n",
227	IPC_GET_ARG1(*call),	227	IPC_GET_ARG1(*call),
228	IPC_GET_ARG2(*call),	228	IPC_GET_ARG2(*call),
229	IPC_GET_ARG3(*call),	229	IPC_GET_ARG3(*call),
230	IPC_GET_ARG4(*call),	230	IPC_GET_ARG4(*call),
231	IPC_GET_ARG5(*call)	231	IPC_GET_ARG5(*call)
232	);*/	232	);*/
233		233
234	if ((hash & IPC_CALLID_ANSWERED) == 0 && hash != IPCP_CALLID_SYNC) {	234	if ((hash & IPC_CALLID_ANSWERED) == 0 && hash != IPCP_CALLID_SYNC) {
235	/* Not a response */	235	/* Not a response */
236	printf("Not a response (hash %d)\n", hash);	236	printf("Not a response (hash %d)\n", hash);
237	return;	237	return;
238	}	238	}
239		239
240	hash = hash & ~IPC_CALLID_ANSWERED;	240	hash = hash & ~IPC_CALLID_ANSWERED;
241	key[0] = hash;	241	key[0] = hash;
242		242
243	item = hash_table_find(&pending_calls, key);	243	item = hash_table_find(&pending_calls, key);
244	if (item == NULL) return; // No matching question found	244	if (item == NULL) return; // No matching question found
245		245
246	pcall = hash_table_get_instance(item, pending_call_t, link);	246	pcall = hash_table_get_instance(item, pending_call_t, link);
247		247
248	printf("response matched to question\n");	248	printf("response matched to question\n");
249	hash_table_remove(&pending_calls, key, 1);	249	hash_table_remove(&pending_calls, key, 1);
250		250
251	parse_answer(pcall, call);	251	parse_answer(pcall, call);
252	free(pcall);	252	free(pcall);
253	}	253	}
254		254
255	void ipcp_call_sync(int phone, ipc_call_t call, ipc_call_t answer)	255	void ipcp_call_sync(int phone, ipc_call_t call, ipc_call_t answer)
256	{	256	{
257	ipcp_call_out(phone, call, IPCP_CALLID_SYNC);	257	ipcp_call_out(phone, call, IPCP_CALLID_SYNC);
258	ipcp_call_in(answer, IPCP_CALLID_SYNC);	258	ipcp_call_in(answer, IPCP_CALLID_SYNC);
259	}	259	}
260		260
261	void ipcp_hangup(int phone, int rc)	261	void ipcp_hangup(int phone, int rc)
262	{	262	{
263	printf("hangup phone %d -> %d\n", phone, rc);	263	printf("hangup phone %d -> %d\n", phone, rc);
264	ipcp_connection_clear(phone);	264	ipcp_connection_clear(phone);
265	}	265	}
266		266
267	/** @}	267	/** @}
268	*/	268	*/
269		269

Subversion Repositories HelenOS

(root)/branches/tracing/uspace/app/trace/ipcp.c – Rev 2946 → 3435