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1 | /* |
2 | * Copyright (c) 2014 Nicira, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | /* The mother of all test programs that links with libopevswitch.la */ | |
18 | ||
19 | #include <config.h> | |
20 | #include <inttypes.h> | |
21 | #include <limits.h> | |
22 | #include <stdlib.h> | |
23 | #include "command-line.h" | |
24 | #include "ovstest.h" | |
25 | #include "util.h" | |
26 | ||
27 | static struct command *commands = NULL; | |
28 | static size_t n_commands = 0; | |
29 | static size_t allocated_commands = 0; | |
30 | ||
31 | static void | |
32 | add_command(struct command *cmd) | |
33 | { | |
34 | const struct command nil = {NULL, 0, 0, NULL}; | |
35 | ||
36 | while (n_commands + 1 >= allocated_commands) { | |
37 | commands = x2nrealloc(commands, &allocated_commands, | |
38 | sizeof *cmd); | |
39 | } | |
40 | ||
41 | commands[n_commands] = *cmd; | |
42 | commands[n_commands + 1] = nil; | |
43 | n_commands++; | |
44 | } | |
45 | ||
46 | static void | |
47 | list(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
48 | { | |
49 | const struct command *p; | |
50 | ||
51 | for(p = commands; p->name != NULL; p++) { | |
52 | printf("%s, %d, %d\n", p->name,p->min_args, p->max_args); | |
53 | } | |
54 | } | |
55 | ||
56 | static void | |
57 | add_top_level_commands(void) | |
58 | { | |
59 | struct command help_cmd = {"--help", 0, 0, list}; | |
60 | ||
61 | add_command(&help_cmd); | |
62 | } | |
63 | ||
64 | void | |
65 | ovstest_register(const char *test_name, ovstest_func f, | |
66 | const struct command *sub_commands) | |
67 | { | |
68 | struct command test_cmd; | |
69 | int max_args = 0; | |
70 | ||
71 | if (sub_commands) { | |
72 | const struct command *p; | |
73 | ||
74 | for(p = sub_commands; p->name != NULL; p++) { | |
75 | if (p->max_args > max_args) { | |
76 | max_args = p->max_args; | |
77 | } | |
78 | } | |
79 | } | |
80 | max_args++; /* adding in the sub program */ | |
81 | ||
82 | test_cmd.name = test_name; | |
83 | test_cmd.min_args = 1; | |
84 | test_cmd.max_args = max_args; | |
85 | test_cmd.handler = f; | |
86 | ||
87 | add_command(&test_cmd); | |
88 | } | |
89 | ||
90 | static void | |
91 | cleanup(void) | |
92 | { | |
93 | if (allocated_commands) { | |
94 | free(commands); | |
95 | } | |
96 | } | |
97 | ||
98 | int | |
99 | main(int argc, char *argv[]) | |
100 | { | |
101 | set_program_name(argv[0]); | |
102 | ||
103 | add_top_level_commands(); | |
104 | if (argc > 1) { | |
105 | run_command(argc - 1, argv + 1, commands); | |
106 | } | |
107 | cleanup(); | |
108 | ||
109 | return 0; | |
110 | } |