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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
#include <string.h>
#include <filesystem>
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <pistache/http.h>
#include <pistache/description.h>
#include <pistache/endpoint.h>
#include <pistache/serializer/rapidjson.h>
#include <bsoncxx/builder/stream/document.hpp>
#include <bsoncxx/json.hpp>
#include <mongocxx/client.hpp>
#include <mongocxx/instance.hpp>
#include <mongocxx/client.hpp>
#include <mongocxx/stdx.hpp>
#include <mongocxx/uri.hpp>
#include <json-c/json.h>
#include <fstream>
#include <nlohmann/json.hpp>
#include "clara.hpp"
#include "shared.h"
std::map<std::string, std::string> config;
using namespace std;
using namespace Pistache;
using bsoncxx::builder::stream::close_array;
using bsoncxx::builder::stream::close_document;
using bsoncxx::builder::stream::document;
using bsoncxx::builder::stream::finalize;
using bsoncxx::builder::stream::open_array;
using bsoncxx::builder::stream::open_document;
using json = nlohmann::json;
using namespace clara;
namespace Generic {
void handleReady(const Rest::Request&, Http::ResponseWriter response) {
response.send(Http::Code::Ok, "1");
}
}
void load_config(string config_path) {
std::ifstream is_file(config_path);
std::string line;
while( std::getline(is_file, line) )
{
std::istringstream is_line(line);
std::string key;
if( std::getline(is_line, key, '=') )
{
std::string value;
if( std::getline(is_line, value) )
config[key] = value;
}
}
is_file.close();
string mongoURI = "mongodb://";
if (config["mongo_db"] == "") {
config["mongo_db"] = "umosapi";
}
if (config["mongo_user"] != "") {
mongoURI.append(config["mongo_user"] + ":");
}
if (config["mongo_password"] != "") {
mongoURI.append(config["mongo_password"] + "@");
}
if (config["mongo_host"] == "") {
config["mongo_host"] = "127.0.0.1";
}
mongoURI.append(config["mongo_host"]);
if (config["mongo_port"] == "") {
config["mongo_port"] = "umosapi";
}
mongoURI.append(":" + config["mongo_port"]);
if (config["swaggerui"] == "") {
config["swaggerui"] = "/srv/http/swagger-ui";
}
config["mongoURI"] = mongoURI;
}
class UmosapiService {
public:
UmosapiService(Address addr)
: httpEndpoint(std::make_shared<Http::Endpoint>(addr))
, desc("Unity Mongo Save API", "0.1")
{ }
void init(size_t thr = 2) {
auto opts = Http::Endpoint::options()
.threads(thr);
httpEndpoint->init(opts);
createDescription();
}
void start(std::string swaggerui) {
router.initFromDescription(desc);
Rest::Swagger swagger(desc);
swagger
.uiPath("/doc")
.uiDirectory(swaggerui)
.apiPath("/api")
.serializer(&Rest::Serializer::rapidJson)
.install(router);
httpEndpoint->setHandler(router.handler());
httpEndpoint->serve();
}
private:
void createDescription() {
desc
.info()
.license("Apache", "https://neodarz.net");
auto backendErrorResponse =
desc.response(Http::Code::Internal_Server_Error, "Backend is dead, it's the end of the world");
desc
.schemes(Rest::Scheme::Http)
.basePath("/v1")
.produces(MIME(Application, Json))
.consumes(MIME(Application, Json));
desc
.route(desc.get("/ready"))
.bind(&Generic::handleReady)
.response(Http::Code::Ok, "Api started")
.response(backendErrorResponse);
auto versionPath = desc.path("/v1");
versionPath
.route(desc.get("/:mcollection"))
.bind(&UmosapiService::retrieveAll, this)
.produces(MIME(Application, Json))
.parameter<Rest::Type::String>("mcollection", "Name of the collection where the uobjects are located")
.response(Http::Code::Ok, "List of uobjects")
.response(backendErrorResponse);
}
void retrieveAll(const Rest::Request& request, Http::ResponseWriter response) {
mongocxx::client conn{mongocxx::uri{config["mongoURI"]}};
auto collection = conn[config["mongo_db"]][request.param(":mcollection").as<string>()];
auto cursor = collection.find({});
auto jsonObjects = json_object_new_array();
for (auto&& doc : cursor) {
json_object_array_add(jsonObjects, json_tokener_parse(bsoncxx::to_json(doc).c_str()));
}
response.send(Http::Code::Ok, json_object_to_json_string_ext(jsonObjects, JSON_C_TO_STRING_SPACED | JSON_C_TO_STRING_PRETTY), MIME(Application, Json));
json_object_put(jsonObjects);
}
std::shared_ptr<Http::Endpoint> httpEndpoint;
Rest::Description desc;
Rest::Router router;
};
int main(int argc, char *argv[]) {
string config_path = "";
const char *homedir;
if ((homedir = getenv("XDG_CONFIG_HOME")) == NULL || (homedir = getenv("HOME")) == NULL) {
homedir = getpwuid(getuid())->pw_dir;
}
config_path.append(homedir);
config_path.append("/.config/umosapi/config.txt");
bool showHelp = false;
int config_port = 9080;
int thr = 2;
auto cli = clara::detail::Help(showHelp)
| clara::detail::Opt( config_path, "config" )["-c"]["--config"]("Config file path. Default `~/.config/umosapi/config.txt`.")
| clara::detail::Opt( config_port, "port" )["-p"]["--port"]("Port to listen. Default: `9080`.")
| clara::detail::Opt( thr, "treads" )["-t"]["--threads"]("Number of threads. Default: `2`.");
auto result = cli.parse( clara::detail::Args( argc, argv ) );
if( !result )
{
std::cerr << "Error in command line: " << result.errorMessage() << std::endl;
std::cerr << cli << std::endl;
exit(1);
}
if ( showHelp ) {
std::cerr << cli << std::endl;
exit(1);
}
Address addr(Ipv4::any(), Port(config_port));
cout << "Using " << hardware_concurrency() << " cores";
cout << " - " << thr << " threads" << endl;
cout << "Listen on 0.0.0.0:" << config_port << endl;
cout << "Using config file '" << config_path << "'" << endl;
if (!std::filesystem::exists(config_path)) {
cout << "Error fatal : config file '" << config_path << "' not found" << endl;
cout << "config.txt is search here: ~/.config/umosapi/config.txt" << endl;
exit (EXIT_FAILURE);
}
load_config(config_path);
cout << "Using swaggerui " << config["swaggerui"] << " path" << endl;
cout << "Using mongoURI " << config["mongoURI"] << endl;
UmosapiService umosapi(addr);
umosapi.init(thr);
umosapi.start(config["swaggerui"]);
}
|
