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annotate scid/page-api-jobs.c @ 18:600204c31bf0

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misc: refactor
author David Demelier <markand@malikania.fr>
date Tue, 12 Jul 2022 20:20:51 +0200
parents page-api-jobs.c@3051ef92173a
children
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1 /*
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2 * page-api-jobs.c -- /api/v?/jobs route
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3 *
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4 * Copyright (c) 2021 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <sys/types.h>
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20 #include <assert.h>
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21 #include <stdarg.h>
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22 #include <stdint.h>
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23 #include <string.h>
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24
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25 #include <kcgi.h>
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26 #include <jansson.h>
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27
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28 #include "config.h"
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29 #include "db.h"
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30 #include "log.h"
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31 #include "page-api-jobs.h"
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32 #include "page.h"
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33 #include "types.h"
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34 #include "util.h"
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35
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36 static void
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37 list(struct kreq *r, const struct job *jobs, size_t jobsz)
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38 {
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39 json_t *doc;
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40 char *dump;
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41
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42 doc = job_to(jobs, jobsz);
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43 dump = json_dumps(doc, JSON_COMPACT);
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44
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45 khttp_puts(r, dump);
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46 free(dump);
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47 json_decref(doc);
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48 }
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49
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50 static int
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51 save(const char *json)
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52 {
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53 struct jobresult res = {0};
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54 int ret = -1;
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55
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56 json_t *doc;
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57 json_error_t err;
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58
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59 if (!(doc = json_loads(json, 0, &err)))
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60 log_warn("api/post: invalid JSON input: %s", err.text);
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61 else if (jobresult_from(&res, 1, doc) < 0)
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62 log_warn("api/post: failed to decode parameters");
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63 else if (db_jobresult_add(&res) < 0)
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64 log_warn("api/post: database save error");
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65 else
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66 ret = 0;
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67
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68 json_decref(doc);
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69
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70 return ret;
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71 }
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72
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73 static void
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74 get(struct kreq *r)
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75 {
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76 struct db_ctx ctx;
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77 struct job jobs[SCI_JOB_LIST_MAX];
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78 ssize_t jobsz;
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79 struct worker wk = {
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80 .name = util_basename(r->path)
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81 };
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82
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83 if (db_worker_find(&ctx, &wk) < 0) {
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84 page(r, NULL, KHTTP_404, KMIME_APP_JSON, NULL);
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85 return;
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86 }
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87
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88 db_ctx_finish(&ctx);
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89
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90 if ((jobsz = db_job_todo(&ctx, jobs, UTIL_SIZE(jobs), wk.id)) < 0)
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91 page(r, NULL, KHTTP_500, KMIME_APP_JSON, NULL);
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92 else {
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93 khttp_head(r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_JSON]);
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94 khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_200]);
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95 khttp_body(r);
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96 list(r, jobs, jobsz);
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97 db_ctx_finish(&ctx);
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98 khttp_free(r);
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99 }
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100 }
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101
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102 static void
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103 post(struct kreq *r)
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104 {
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105 if (r->fieldsz < 1)
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106 page(r, NULL, KHTTP_400, KMIME_APP_JSON, NULL);
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107 else if (save(r->fields[0].val) < 0)
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108 page(r, NULL, KHTTP_500, KMIME_APP_JSON, NULL);
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109 else {
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110 khttp_head(r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_JSON]);
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111 khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_200]);
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112 khttp_body(r);
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113 khttp_free(r);
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114 }
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115 }
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116
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117 void
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118 page_api_v1_jobs(struct kreq *r)
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119 {
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120 assert(r);
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121
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122 switch (r->method) {
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123 case KMETHOD_GET:
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124 get(r);
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125 break;
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126 case KMETHOD_POST:
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127 post(r);
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128 break;
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129 default:
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130 page(r, NULL, KHTTP_400, KMIME_APP_JSON, NULL);
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131 break;
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132 }
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133 }