1 /*
2  * librdkafka - Apache Kafka C library
3  *
4  * Copyright (c) 2012-2013, Magnus Edenhill
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  *    this list of conditions and the following disclaimer in the documentation
14  *    and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /**
30  * Tests "message.bytes.max"
31  * Issue #24
32  */
33 
34 #include "test.h"
35 
36 /* Typical include path would be <librdkafka/rdkafka.h>, but this program
37  * is built from within the librdkafka source tree and thus differs. */
38 #include "rdkafka.h"  /* for Kafka driver */
39 
40 
41 static int msgs_wait = 0; /* bitmask */
42 
43 /**
44  * Delivery report callback.
45  * Called for each message once to signal its delivery status.
46  */
dr_cb(rd_kafka_t * rk,void * payload,size_t len,rd_kafka_resp_err_t err,void * opaque,void * msg_opaque)47 static void dr_cb (rd_kafka_t *rk, void *payload, size_t len,
48                    rd_kafka_resp_err_t err, void *opaque, void *msg_opaque) {
49         int msgid = *(int *)msg_opaque;
50 
51         free(msg_opaque);
52 
53         if (err)
54                 TEST_FAIL("Unexpected delivery error for message #%i: %s\n",
55                           msgid, rd_kafka_err2str(err));
56 
57         if (!(msgs_wait & (1 << msgid)))
58                 TEST_FAIL("Unwanted delivery report for message #%i "
59                           "(waiting for 0x%x)\n", msgid, msgs_wait);
60 
61         TEST_SAY("Delivery report for message #%i: %s\n",
62                  msgid, rd_kafka_err2str(err));
63 
64         msgs_wait &= ~(1 << msgid);
65 }
66 
67 
main_0003_msgmaxsize(int argc,char ** argv)68 int main_0003_msgmaxsize (int argc, char **argv) {
69         int partition = 0;
70         int r;
71         rd_kafka_t *rk;
72         rd_kafka_topic_t *rkt;
73         rd_kafka_conf_t *conf;
74         rd_kafka_topic_conf_t *topic_conf;
75         char errstr[512];
76 
77         static const struct {
78                 ssize_t keylen;
79                 ssize_t len;
80                 rd_kafka_resp_err_t exp_err;
81         } sizes[] = {
82                 /* message.max.bytes is including framing */
83                 { -1, 5000, RD_KAFKA_RESP_ERR_NO_ERROR },
84                 { 0, 99900, RD_KAFKA_RESP_ERR_NO_ERROR },
85                 { 0, 100000, RD_KAFKA_RESP_ERR_MSG_SIZE_TOO_LARGE },
86                 { 100000, 0, RD_KAFKA_RESP_ERR_MSG_SIZE_TOO_LARGE },
87                 { 1000, 100000, RD_KAFKA_RESP_ERR_MSG_SIZE_TOO_LARGE },
88                 { 0, 101000, RD_KAFKA_RESP_ERR_MSG_SIZE_TOO_LARGE },
89                 { 99000, -1, RD_KAFKA_RESP_ERR_NO_ERROR },
90                 { -1, -1, RD_KAFKA_RESP_ERR__END }
91         };
92         int i;
93 
94         test_conf_init(&conf, &topic_conf, 10);
95 
96         /* Set a small maximum message size. */
97         if (rd_kafka_conf_set(conf, "message.max.bytes", "100000",
98                               errstr, sizeof(errstr)) != RD_KAFKA_CONF_OK)
99                 TEST_FAIL("%s\n", errstr);
100 
101         /* Set delivery report callback */
102         rd_kafka_conf_set_dr_cb(conf, dr_cb);
103 
104         /* Create kafka instance */
105         rk = test_create_handle(RD_KAFKA_PRODUCER, conf);
106 
107         rkt = rd_kafka_topic_new(rk, test_mk_topic_name("0003", 0),
108                                  topic_conf);
109         if (!rkt)
110                 TEST_FAIL("Failed to create topic: %s\n",
111                           rd_strerror(errno));
112 
113         for (i = 0 ; sizes[i].exp_err != RD_KAFKA_RESP_ERR__END ; i++) {
114                 void *value = sizes[i].len != -1 ?
115                         calloc(1, sizes[i].len) : NULL;
116                 size_t len = sizes[i].len != -1 ? sizes[i].len : 0;
117                 void *key = sizes[i].keylen != -1 ?
118                         calloc(1, sizes[i].keylen) : NULL;
119                 size_t keylen = sizes[i].keylen != -1 ? sizes[i].keylen : 0;
120                 int *msgidp = malloc(sizeof(*msgidp));
121                 rd_kafka_resp_err_t err = RD_KAFKA_RESP_ERR_NO_ERROR;
122 
123                 *msgidp = i;
124 
125                 r = rd_kafka_produce(rkt, partition, RD_KAFKA_MSG_F_COPY,
126                                      value, len,
127                                      key, keylen,
128                                      msgidp);
129                 if (r == -1)
130                         err = rd_kafka_last_error();
131 
132                 if (err != sizes[i].exp_err) {
133                         TEST_FAIL("Msg #%d produce(len=%"PRIdsz
134                                   ", keylen=%"PRIdsz"): got %s, expected %s",
135                                   i,
136                                   sizes[i].len,
137                                   sizes[i].keylen,
138                                   rd_kafka_err2name(err),
139                                   rd_kafka_err2name(sizes[i].exp_err));
140                 } else {
141                         TEST_SAY("Msg #%d produce() returned expected %s "
142                                  "for value size %"PRIdsz
143                                  " and key size %"PRIdsz"\n",
144                                  i,
145                                  rd_kafka_err2name(err),
146                                  sizes[i].len,
147                                  sizes[i].keylen);
148 
149                         if (!sizes[i].exp_err)
150                                 msgs_wait |= (1 << i);
151                         else
152                                 free(msgidp);
153                 }
154         }
155 
156         /* Wait for messages to be delivered. */
157         while (rd_kafka_outq_len(rk) > 0)
158                 rd_kafka_poll(rk, 50);
159 
160         if (msgs_wait != 0)
161                 TEST_FAIL("Still waiting for messages: 0x%x\n", msgs_wait);
162 
163         /* Destroy topic */
164         rd_kafka_topic_destroy(rkt);
165 
166         /* Destroy rdkafka instance */
167         TEST_SAY("Destroying kafka instance %s\n", rd_kafka_name(rk));
168         rd_kafka_destroy(rk);
169 
170         return 0;
171 }
172