| 1 | /*
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| 2 | * Copyright (c) 2015 Michal Koutny
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <assert.h>
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| 30 | #include <errno.h>
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| 31 | #include <io/console.h> // temporary
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| 32 | #include <stdlib.h>
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| 33 | #include <task.h>
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| 34 |
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| 35 | #include "log.h"
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| 36 | #include "unit.h"
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| 37 |
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| 38 | static const char *section_name = "Service";
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| 39 |
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| 40 | static config_item_t unit_configuration[] = {
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| 41 | {"ExecStart", &util_parse_command, offsetof(unit_svc_t, exec_start), NULL},
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| 42 | CONFIGURATION_ITEM_SENTINEL
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| 43 | };
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| 44 |
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| 45 | static void unit_svc_init(unit_t *unit)
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| 46 | {
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| 47 | unit_svc_t *u_svc = CAST_SVC(unit);
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| 48 | assert(u_svc);
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| 49 | util_command_init(&u_svc->exec_start);
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| 50 | }
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| 51 |
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| 52 | static void unit_svc_destroy(unit_t *unit)
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| 53 | {
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| 54 | assert(unit->type == UNIT_SERVICE);
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| 55 | unit_svc_t *u_svc = CAST_SVC(unit);
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| 56 |
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| 57 | util_command_deinit(&u_svc->exec_start);
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| 58 | }
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| 59 |
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| 60 | static int unit_svc_load(unit_t *unit, ini_configuration_t *ini_conf,
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| 61 | text_parse_t *text_parse)
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| 62 | {
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| 63 | unit_svc_t *u_svc = CAST_SVC(unit);
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| 64 | assert(u_svc);
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| 65 |
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| 66 | ini_section_t *section = ini_get_section(ini_conf, section_name);
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| 67 | if (section == NULL) {
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| 68 | sysman_log(LVL_ERROR,
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| 69 | "Expected section '%s' in configuration of unit '%s'",
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| 70 | section_name, unit_name(unit));
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| 71 | return ENOENT;
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| 72 | }
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| 73 |
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| 74 | return config_load_ini_section(unit_configuration, section, u_svc,
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| 75 | text_parse);
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| 76 | }
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| 77 |
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| 78 | static int unit_svc_start(unit_t *unit)
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| 79 | {
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| 80 | unit_svc_t *u_svc = CAST_SVC(unit);
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| 81 | assert(u_svc);
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| 82 |
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| 83 |
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| 84 | // TODO think about unit's lifecycle (is STOPPED only acceptable?)
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| 85 | assert(unit->state == STATE_STOPPED);
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| 86 |
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| 87 | int rc = task_spawnv(&u_svc->main_task_id, NULL, u_svc->exec_start.path,
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| 88 | u_svc->exec_start.argv);
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| 89 |
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| 90 | if (rc != EOK) {
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| 91 | unit->state = STATE_FAILED;
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| 92 | return rc;
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| 93 | }
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| 94 |
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| 95 | unit->state = STATE_STARTING;
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| 96 |
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| 97 | /*
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| 98 | * Workaround to see log output even after devman starts (and overrides
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| 99 | * kernel's frame buffer.
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| 100 | * TODO move to task retval/exposee created handler
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| 101 | */
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| 102 | if (str_cmp(unit->name, "devman.svc") == 0) {
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| 103 | async_usleep(100000);
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| 104 | if (console_kcon()) {
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| 105 | sysman_log(LVL_DEBUG2, "%s: Kconsole grabbed.", __func__);
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| 106 | } else {
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| 107 | sysman_log(LVL_DEBUG2, "%s: no kconsole.", __func__);
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | return EOK;
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| 112 | }
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| 113 |
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| 114 | static void unit_svc_exposee_created(unit_t *unit)
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| 115 | {
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| 116 | assert(CAST_SVC(unit));
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| 117 | assert(unit->state == STATE_STOPPED || unit->state == STATE_STARTING || unit->state==STATE_STARTED);
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| 118 |
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| 119 | /* Exposee itself doesn't represent started unit. */
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| 120 | //unit->state = STATE_STARTED;
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| 121 | //unit_notify_state(unit);
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| 122 | }
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| 123 |
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| 124 | static void unit_svc_fail(unit_t *unit)
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| 125 | {
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| 126 | // TODO implement
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| 127 | }
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| 128 |
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| 129 | DEFINE_UNIT_VMT(unit_svc)
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| 130 |
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