Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2018 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it
6 : under the terms of the GNU General Public License as published
7 : by the Free Software Foundation; either version 3, or (at your
8 : option) any later version.
9 :
10 : TALER is distributed in the hope that it will be useful, but
11 : WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU General Public License for more details.
14 :
15 : You should have received a copy of the GNU General Public
16 : License along with TALER; see the file COPYING. If not,
17 : see <http://www.gnu.org/licenses/>
18 : */
19 : /**
20 : * @file testing/testing_api_cmd_exec_closer.c
21 : * @brief run the taler-exchange-closer command
22 : * @author Marcello Stanisci
23 : */
24 : #include "taler/platform.h"
25 : #include "taler/taler_json_lib.h"
26 : #include <gnunet/gnunet_curl_lib.h>
27 : #include "taler/taler_signatures.h"
28 : #include "taler/taler_testing_lib.h"
29 :
30 :
31 : /**
32 : * State for a "closer" CMD.
33 : */
34 : struct CloserState
35 : {
36 :
37 : /**
38 : * Closer process.
39 : */
40 : struct GNUNET_Process *closer_proc;
41 :
42 : /**
43 : * Configuration file used by the closer.
44 : */
45 : const char *config_filename;
46 :
47 : /**
48 : * Reserve history entry that corresponds to this operation. Set if @e
49 : * expect_close is true. Will be of type
50 : * #TALER_EXCHANGE_RTT_RESERVE_CLOSED.
51 : */
52 : struct TALER_EXCHANGE_ReserveHistoryEntry reserve_history;
53 :
54 : /**
55 : * If the closer filled a reserve (@e expect_close is set), this is set to
56 : * the reserve's public key.
57 : */
58 : struct TALER_ReservePublicKeyP reserve_pub;
59 :
60 : /**
61 : * Reference to a command to get the @e reserve_pub.
62 : */
63 : const char *reserve_ref;
64 :
65 : /**
66 : * Do we expect the command to actually close a reserve?
67 : */
68 : bool expect_close;
69 : };
70 :
71 :
72 : /**
73 : * Run the command. Use the `taler-exchange-closer` program.
74 : *
75 : * @param cls closure.
76 : * @param cmd command being run.
77 : * @param is interpreter state.
78 : */
79 : static void
80 10 : closer_run (void *cls,
81 : const struct TALER_TESTING_Command *cmd,
82 : struct TALER_TESTING_Interpreter *is)
83 : {
84 10 : struct CloserState *as = cls;
85 :
86 : (void) cmd;
87 10 : if (NULL != as->reserve_ref)
88 : {
89 : const struct TALER_TESTING_Command *rcmd;
90 : const struct TALER_ReservePublicKeyP *reserve_pubp;
91 :
92 9 : rcmd = TALER_TESTING_interpreter_lookup_command (is,
93 : as->reserve_ref);
94 9 : GNUNET_assert (NULL != rcmd);
95 9 : if (GNUNET_OK !=
96 9 : TALER_TESTING_get_trait_reserve_pub (rcmd,
97 : &reserve_pubp))
98 : {
99 0 : GNUNET_break (0);
100 0 : TALER_TESTING_interpreter_fail (is);
101 0 : return;
102 : }
103 9 : as->reserve_pub = *reserve_pubp;
104 : }
105 10 : as->closer_proc = GNUNET_process_create (GNUNET_OS_INHERIT_STD_ERR);
106 10 : if (GNUNET_OK !=
107 10 : GNUNET_process_run_command_va (as->closer_proc,
108 : "taler-exchange-closer",
109 : "taler-exchange-closer",
110 : "-c", as->config_filename,
111 : "-t", /* exit when done */
112 : NULL))
113 : {
114 0 : GNUNET_break (0);
115 0 : GNUNET_process_destroy (as->closer_proc);
116 0 : as->closer_proc = NULL;
117 0 : TALER_TESTING_interpreter_fail (is);
118 0 : return;
119 : }
120 10 : TALER_TESTING_wait_for_sigchld (is);
121 : }
122 :
123 :
124 : /**
125 : * Free the state of a "closer" CMD, and possibly kill its
126 : * process if it did not terminate correctly.
127 : *
128 : * @param cls closure.
129 : * @param cmd the command being freed.
130 : */
131 : static void
132 10 : closer_cleanup (void *cls,
133 : const struct TALER_TESTING_Command *cmd)
134 : {
135 10 : struct CloserState *as = cls;
136 :
137 : (void) cmd;
138 10 : if (NULL != as->closer_proc)
139 : {
140 0 : GNUNET_break (GNUNET_OK ==
141 : GNUNET_process_kill (as->closer_proc,
142 : SIGKILL));
143 0 : GNUNET_process_wait (as->closer_proc,
144 : true,
145 : NULL,
146 : NULL);
147 0 : GNUNET_process_destroy (as->closer_proc);
148 0 : as->closer_proc = NULL;
149 : }
150 10 : GNUNET_free (as);
151 10 : }
152 :
153 :
154 : /**
155 : * Offer "closer" CMD internal data to other commands.
156 : *
157 : * @param cls closure.
158 : * @param[out] ret result.
159 : * @param trait name of the trait.
160 : * @param index index number of the object to offer.
161 : * @return #GNUNET_OK on success
162 : */
163 : static enum GNUNET_GenericReturnValue
164 20 : closer_traits (void *cls,
165 : const void **ret,
166 : const char *trait,
167 : unsigned int index)
168 : {
169 20 : struct CloserState *as = cls;
170 : struct TALER_TESTING_Trait traits[] = {
171 20 : TALER_TESTING_make_trait_process (&as->closer_proc),
172 20 : TALER_TESTING_trait_end ()
173 : };
174 : struct TALER_TESTING_Trait xtraits[] = {
175 20 : TALER_TESTING_make_trait_process (&as->closer_proc),
176 20 : TALER_TESTING_make_trait_reserve_pub (&as->reserve_pub),
177 20 : TALER_TESTING_make_trait_reserve_history (0,
178 20 : &as->reserve_history),
179 20 : TALER_TESTING_trait_end ()
180 : };
181 :
182 20 : return TALER_TESTING_get_trait ((as->expect_close)
183 : ? xtraits
184 : : traits,
185 : ret,
186 : trait,
187 : index);
188 : }
189 :
190 :
191 : struct TALER_TESTING_Command
192 10 : TALER_TESTING_cmd_exec_closer (const char *label,
193 : const char *config_filename,
194 : const char *expected_amount,
195 : const char *expected_fee,
196 : const char *expected_reserve_ref)
197 : {
198 : struct CloserState *as;
199 :
200 10 : as = GNUNET_new (struct CloserState);
201 10 : as->config_filename = config_filename;
202 10 : if (NULL != expected_reserve_ref)
203 : {
204 9 : as->expect_close = true;
205 9 : as->reserve_ref = expected_reserve_ref;
206 9 : if (GNUNET_OK !=
207 9 : TALER_string_to_amount (expected_amount,
208 : &as->reserve_history.amount))
209 : {
210 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
211 : "Failed to parse amount `%s' at %s\n",
212 : expected_amount,
213 : label);
214 0 : GNUNET_assert (0);
215 : }
216 9 : if (GNUNET_OK !=
217 9 : TALER_string_to_amount (expected_fee,
218 : &as->reserve_history.details.close_details.fee))
219 : {
220 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
221 : "Failed to parse amount `%s' at %s\n",
222 : expected_fee,
223 : label);
224 0 : GNUNET_assert (0);
225 : }
226 : /* expected amount includes fee, while our argument
227 : gives the amount _without_ the fee. So add the fee. */
228 9 : GNUNET_assert (0 <=
229 : TALER_amount_add (
230 : &as->reserve_history.amount,
231 : &as->reserve_history.amount,
232 : &as->reserve_history.details.close_details.fee));
233 9 : as->reserve_history.type = TALER_EXCHANGE_RTT_CLOSING;
234 : }
235 : {
236 10 : struct TALER_TESTING_Command cmd = {
237 : .cls = as,
238 : .label = label,
239 : .run = &closer_run,
240 : .cleanup = &closer_cleanup,
241 : .traits = &closer_traits
242 : };
243 :
244 10 : return cmd;
245 : }
246 : }
247 :
248 :
249 : /* end of testing_api_cmd_exec_closer.c */
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