1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include <stdbool.h>
#include <stdint.h>
#include <strings.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <LongBow/runtime.h>
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_List.h>
#include <ccnx/api/control/cpi_NameRouteProtocolType.h>
#include <ccnx/api/control/cpi_RouteEntry.h>
#include <ccnx/api/control/cpi_Forwarding.h>
#include <ccnx/forwarder/metis/config/metisControl_RemoveRoute.h>
static MetisCommandReturn _metisControlRemoveRoute_Execute(MetisCommandParser *parser, MetisCommandOps *ops, PARCList *args);
static MetisCommandReturn _metisControlRemoveRoute_HelpExecute(MetisCommandParser *parser, MetisCommandOps *ops, PARCList *args);
static const char *_commandRemoveRoute = "remove route";
static const char *_commandRemoveRouteHelp = "help remove route";
// ====================================================
MetisCommandOps *
metisControlRemoveRoute_Create(MetisControlState *state)
{
return metisCommandOps_Create(state, _commandRemoveRoute, NULL, _metisControlRemoveRoute_Execute, metisCommandOps_Destroy);
}
MetisCommandOps *
metisControlRemoveRoute_HelpCreate(MetisControlState *state)
{
return metisCommandOps_Create(state, _commandRemoveRouteHelp, NULL, _metisControlRemoveRoute_HelpExecute, metisCommandOps_Destroy);
}
// ====================================================
/**
* Return true if string is purely an integer
*/
static bool
_isNumber(const char *string)
{
size_t len = strlen(string);
for (size_t i = 0; i < len; i++) {
if (!isdigit(string[i])) {
return false;
}
}
return true;
}
/**
* A symbolic name must be at least 1 character and must begin with an alpha.
* The remainder must be an alphanum.
*/
static bool
_validateSymbolicName(const char *symbolic)
{
bool success = false;
size_t len = strlen(symbolic);
if (len > 0) {
if (isalpha(symbolic[0])) {
success = true;
for (size_t i = 1; i < len; i++) {
if (!isalnum(symbolic[i])) {
success = false;
break;
}
}
}
}
return success;
}
static MetisCommandReturn
_metisControlRemoveRoute_HelpExecute(MetisCommandParser *parser, MetisCommandOps *ops, PARCList *args)
{
printf("commands:\n");
printf(" remove route <symbolic | connid> <prefix>\n");
return MetisCommandReturn_Success;
}
static MetisCommandReturn
_metisControlRemoveRoute_Execute(MetisCommandParser *parser, MetisCommandOps *ops, PARCList *args)
{
MetisControlState *state = ops->closure;
if (parcList_Size(args) != 4) {
_metisControlRemoveRoute_HelpExecute(parser, ops, args);
return MetisCommandReturn_Failure;
}
const char *symbolicOrConnid = parcList_GetAtIndex(args, 2);
if (_validateSymbolicName(symbolicOrConnid) || _isNumber(symbolicOrConnid)) {
const char *prefixString = parcList_GetAtIndex(args, 3);
CCNxName *prefix = ccnxName_CreateFromCString(prefixString);
if (prefix == NULL) {
printf("ERROR: could not parse prefix '%s'\n", prefixString);
return MetisCommandReturn_Failure;
}
char *protocolTypeAsString = "static";
CPINameRouteProtocolType protocolType = cpiNameRouteProtocolType_FromString(protocolTypeAsString);
CPINameRouteType routeType = cpiNameRouteType_LONGEST_MATCH;
CPIAddress *nexthop = NULL;
struct timeval *lifetime = NULL;
CPIRouteEntry *route = NULL;
unsigned cost = 1;
if (_isNumber(symbolicOrConnid)) {
unsigned connid = (unsigned) strtold(symbolicOrConnid, NULL);
route = cpiRouteEntry_Create(prefix, connid, nexthop, protocolType, routeType, lifetime, cost);
} else {
route = cpiRouteEntry_CreateSymbolic(prefix, symbolicOrConnid, protocolType, routeType, lifetime, cost);
}
CCNxControl *removeRouteRequest = ccnxControl_CreateRemoveRouteRequest(route);
cpiRouteEntry_Destroy(&route);
if (metisControlState_GetDebug(state)) {
char *str = parcJSON_ToString(ccnxControl_GetJson(removeRouteRequest));
printf("request: %s\n", str);
parcMemory_Deallocate((void **) &str);
}
CCNxMetaMessage *message = ccnxMetaMessage_CreateFromControl(removeRouteRequest);
CCNxMetaMessage *rawResponse = metisControlState_WriteRead(state, message);
ccnxMetaMessage_Release(&message);
ccnxControl_Release(&removeRouteRequest);
CCNxControl *response = ccnxMetaMessage_GetControl(rawResponse);
if (metisControlState_GetDebug(state)) {
char *str = parcJSON_ToString(ccnxControl_GetJson(response));
printf("response: %s\n", str);
parcMemory_Deallocate((void **) &str);
}
ccnxMetaMessage_Release(&rawResponse);
return MetisCommandReturn_Success;
}else{
printf("ERROR: Invalid symbolic or connid. Symbolic name must begin with an alpha followed by alphanum. connid must be an integer\n");
return MetisCommandReturn_Failure;
}
}
|
