4 ** Copyright (c) <2009> <sebastien.pahl@dotcloud.com>
6 ** Permission is hereby granted, free of charge, to any person
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11 ** copies of the Software, and to permit persons to whom the
12 ** Software is furnished to do so, subject to the following
15 ** The above copyright notice and this permission notice shall be
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18 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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20 ** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 ** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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25 ** OTHER DEALINGS IN THE SOFTWARE.
37 #include <utils_format_json.h>
40 #include <amqp_framing.h>
42 #define PLUGIN_NAME "amqp"
45 static char *host = NULL;
46 static char *vhost = NULL;
47 static char *user = NULL;
48 static char *password = NULL;
49 static char *exchange = NULL;
50 static char *routingkey = NULL;
52 static const char *config_keys[] =
63 static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
65 static void config_free(char *var)
71 static int config_set(char **var, const char *value)
74 if ((*var = strdup(value)) == NULL)
79 static int config(const char *key, const char *value)
81 if (strcasecmp(key, "host") == 0)
82 return (config_set(&host, value));
83 else if(strcasecmp(key, "port") == 0)
87 tmp = service_name_to_port_number (value);
90 ERROR ("AMQP plugin: Cannot parse `%s' as a "
91 "service name (port number).", value);
98 else if (strcasecmp(key, "vhost") == 0)
99 return (config_set(&vhost, value));
100 else if (strcasecmp(key, "user") == 0)
101 return (config_set(&user, value));
102 else if (strcasecmp(key, "password") == 0)
103 return (config_set(&password, value));
104 else if (strcasecmp(key, "exchange") == 0)
105 return (config_set(&exchange, value));
106 else if (strcasecmp(key, "routingkey") == 0)
107 return (config_set(&routingkey, value));
111 static int amqp_write(const data_set_t *ds, const value_list_t *vl, user_data_t *user_data)
118 amqp_rpc_reply_t reply;
119 amqp_connection_state_t conn;
120 amqp_basic_properties_t props;
122 conn = amqp_new_connection();
123 if ((sockfd = amqp_open_socket(host, port)) < 0)
125 amqp_destroy_connection(conn);
128 amqp_set_sockfd(conn, sockfd);
129 reply = amqp_login(conn, vhost,
130 /* channel max = */ 0,
131 /* frame max = */ 131072,
133 /* authentication: */ AMQP_SASL_METHOD_PLAIN, user, password);
134 if (reply.reply_type != AMQP_RESPONSE_NORMAL)
136 amqp_destroy_connection(conn);
140 amqp_channel_open(conn, 1);
141 if (reply.reply_type != AMQP_RESPONSE_NORMAL)
143 amqp_connection_close(conn, AMQP_REPLY_SUCCESS);
144 amqp_destroy_connection(conn);
149 memset(buffer, 0, sizeof(buffer));
150 bfree = sizeof(buffer);
152 format_json_initialize(buffer, &bfill, &bfree);
153 format_json_value_list(buffer, &bfill, &bfree, ds, vl);
154 format_json_finalize(buffer, &bfill, &bfree);
155 props._flags = AMQP_BASIC_CONTENT_TYPE_FLAG | AMQP_BASIC_DELIVERY_MODE_FLAG;
156 props.content_type = amqp_cstring_bytes("application/json");
157 props.delivery_mode = 2; /* persistent delivery mode */
158 error = amqp_basic_publish(conn,
160 amqp_cstring_bytes(exchange),
161 amqp_cstring_bytes(routingkey),
165 amqp_cstring_bytes(buffer));
166 reply = amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS);
167 if (reply.reply_type != AMQP_RESPONSE_NORMAL)
169 reply = amqp_connection_close(conn, AMQP_REPLY_SUCCESS);
170 if (reply.reply_type != AMQP_RESPONSE_NORMAL)
172 amqp_destroy_connection(conn);
173 if (close(sockfd) < 0)
178 static int shutdown(void)
183 config_free(password);
184 config_free(exchange);
185 config_free(routingkey);
189 void module_register(void)
191 plugin_register_config(PLUGIN_NAME, config, config_keys, config_keys_num);
192 plugin_register_write(PLUGIN_NAME, amqp_write, NULL);
193 plugin_register_shutdown(PLUGIN_NAME, shutdown);
196 /* vim: set sw=4 sts=4 et : */