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sr_consume.c
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sr_consume.c
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/* vim:set ft=c ts=2 sw=2 sts=2 et cindent: */
/*
* Usage info after license block.
*
* This code is by Peter Silva copyright (c) 2017 part of MetPX.
* copyright is to the Government of Canada. code is GPL.
*
* based on a amqp_sendstring from rabbitmq-c package
* the original license is below:
*/
/*
Minimal c implementation to allow posting of sr_post(7) messages.
It has a lot of limitations, and no error checking for now.
how to use:
In a shell, to use an sr_subscribe(1) or sr_post(1) style configuration file.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdbool.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include <fcntl.h>
#include <linux/limits.h>
#include <openssl/md5.h>
#include <openssl/sha.h>
#include <openssl/evp.h>
#include <stdbool.h>
#include <stdint.h>
#include <amqp_tcp_socket.h>
#include <amqp_ssl_socket.h>
#include <amqp.h>
#include <amqp_framing.h>
#ifdef HAVE_JSONC
#include <json-c/json.h>
#endif
#include "sr_config.h"
#include "sr_consume.h"
static struct sr_message_s msg;
int sr_consume_cleanup(struct sr_context *sr_c)
{
amqp_rpc_reply_t reply;
char p[PATH_MAX];
amqp_queue_delete(sr_c->cfg->broker->conn, 1,
amqp_cstring_bytes(sr_c->cfg->queuename), 0, 0);
reply = amqp_get_rpc_reply(sr_c->cfg->broker->conn);
if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
sr_amqp_reply_print(sr_c->cfg->logctx, reply, "queue delete failed");
return (0);
}
/* PS - should this be in sr_config? see sr_config_finalize for the other end of this
*/
sprintf(p, "%s/.cache/" SR_APPNAME "/%s/%s/sr_%s.%s.%s", getenv("HOME"),
sr_c->cfg->progname, sr_c->cfg->configname, sr_c->cfg->progname,
sr_c->cfg->configname, sr_c->cfg->broker->user);
unlink(p);
return (1);
}
signed int sr_consume_queue_declare(struct sr_context *sr_c, amqp_boolean_t passive)
/*
declare a queue it to the configured exchange.
passive means don't actually declare the queue, just pretend, used to get the message count
returns true if successful
*/
{
amqp_rpc_reply_t reply;
amqp_boolean_t exclusive = 0;
amqp_boolean_t auto_delete = 0;
amqp_queue_declare_ok_t *r;
static amqp_basic_properties_t props;
static amqp_table_t table;
static amqp_table_entry_t table_entries[2];
signed int message_count;
int tecnt = 0;
// FIXME: would be nice to add something to the effect: content-encoding: utf8
props._flags = AMQP_BASIC_CONTENT_TYPE_FLAG;
props.content_type = amqp_cstring_bytes("text/plain");
if (sr_c->cfg->expire > 0) {
table_entries[tecnt].key = amqp_cstring_bytes("x-expires");
table_entries[tecnt].value.kind = AMQP_FIELD_KIND_I64;
table_entries[tecnt].value.value.i64 = (sr_c->cfg->expire * 1000); // AMQP says milliseconds.
tecnt++;
props._flags |= AMQP_BASIC_EXPIRATION_FLAG;
}
if (sr_c->cfg->message_ttl > 0) {
table_entries[tecnt].key = amqp_cstring_bytes("x-message-ttl");
table_entries[tecnt].value.kind = AMQP_FIELD_KIND_I64;
table_entries[tecnt].value.value.i64 = (sr_c->cfg->message_ttl * 1000); // is in milliseconds.
tecnt++;
props._flags |= AMQP_BASIC_TIMESTAMP_FLAG;
}
table.num_entries = tecnt;
table.entries = table_entries;
props.delivery_mode = 2; /* persistent delivery mode */
props.headers = table;
msg.user_headers = NULL;
//amqp_queue_declare_ok_t *r =
message_count=-2;
if (sr_c->cfg->queueDeclare) {
r = amqp_queue_declare(sr_c->cfg->broker->conn,
2,
amqp_cstring_bytes(sr_c->cfg->queuename),
passive, sr_c->cfg->durable, exclusive, auto_delete, table);
/* FIXME how to parse r for error? */
if (r) {
sr_log_msg(sr_c->cfg->logctx,LOG_INFO, "queue declared: %s messages in queue: %d\n",
sr_c->cfg->queuename, r->message_count );
message_count = r->message_count;
sr_c->metrics.brokerQueuedMessageCount = message_count;
}
reply = amqp_get_rpc_reply(sr_c->cfg->broker->conn);
if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
sr_amqp_reply_print(sr_c->cfg->logctx,reply, "queue declare failed");
message_count = -1;
}
}
return(message_count);
}
bool sr_consume_setup(struct sr_context *sr_c)
{
struct sr_binding_s *t;
amqp_rpc_reply_t reply;
int messageCount;
messageCount = sr_consume_queue_declare(sr_c, 0);
if (messageCount< 0 ) {
return(false);
}
/*
FIXME: topic bindings are not working properly...
*/
if (!sr_c->cfg->bindings) {
sr_add_binding(sr_c->cfg, "#");
}
sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "bindings: %p, string=+%p+\n", sr_c->cfg->bindings,
sr_c->cfg->bindings);
for (t = sr_c->cfg->bindings; t; t = t->next) {
amqp_queue_bind(sr_c->cfg->broker->conn, 1,
amqp_cstring_bytes(sr_c->cfg->queuename),
amqp_cstring_bytes(t->exchange),
amqp_cstring_bytes(t->topic), amqp_empty_table);
reply = amqp_get_rpc_reply(sr_c->cfg->broker->conn);
if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
sr_amqp_reply_print(sr_c->cfg->logctx,reply, "binding failed");
return (false);
}
sr_log_msg(sr_c->cfg->logctx,LOG_INFO, "queue %s bound with topic %s to %s\n",
sr_c->cfg->queuename, t->topic, sr_broker_uri(sr_c->cfg->broker));
}
return (true);
}
char *sr_message_partstr(struct sr_message_s *m)
{
static char smallbuf[255];
if ((m->sum[0] != 'R') && (m->sum[0] != 'L') && (m->sum[0] != 'm') && (m->sum[0] != 'r'))
sprintf(smallbuf, "%c,%ld,%ld,%ld,%ld", m->parts_s,
m->parts_blksz, m->parts_blkcount, m->parts_rem, m->parts_num);
else
memset(smallbuf, '\0', 255);
return (smallbuf);
}
static void assign_field(const char *key, char *value)
/* Assign the value of the field given by key to the corresponding member
of the static msg struct.
*/
{
char *s;
struct sr_header_s *h;
//sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "parsing: \"%s\" : \"%s\"\n", key, value );
if (!strcmp(key, "atime")) {
strcpy(msg.atime, value);
} else if (!strcmp(key, "mode")) {
msg.mode = strtoul(value, NULL, 8);
} else if (!strcmp(key, "mtime")) {
strcpy(msg.mtime, value);
} else if (!strcmp(key, "parts")) {
//FIXME: no error checking, invalid parts header will cause a bobo.
msg.parts_s = value[0];
s = strtok(&(value[2]), ",");
msg.parts_blksz = atol(s);
s = strtok(NULL, ",");
msg.parts_blkcount = atol(s);
s = strtok(NULL, ",");
msg.parts_rem = atol(s);
s = strtok(NULL, ",");
msg.parts_num = atol(s);
} else if (!strcmp(key, "path")) {
strcpy(msg.relPath, value);
} else if (!strcmp(key, "source")) {
strcpy(msg.source, value);
} else if (!strcmp(key, "sum")) {
strcpy(msg.sum, value);
} else if (!strcmp(key, "url")) {
strcpy(msg.url, value);
} else {
h = (struct sr_header_s *)malloc(sizeof(struct sr_header_s));
h->key = strdup(key);
h->value = strdup(value);
h->is_numeric = false;
h->next = msg.user_headers;
msg.user_headers = h;
}
}
const char *sum2identity(char sum)
{
switch (sum) {
case '0':
return ("random");
case 'a':
return ("arbitrary");
case 'd':
return ("md5");
case 'n':
return ("md5name");
case 'p':
return ("sha512name");
case 's':
return ("sha512");
case 'L':
return ("link");
case 'R':
return ("remove");
case 'm':
return ("directory");
case 'r':
return ("rmdir");
case 'z':
return ("cod");
default:
return ("unknown");
}
}
char *v03identity(struct sr_message_s *m)
{
static char istr[1024];
const char *value;
switch (m->sum[0]) {
case 'n':
case 'L':
case 'R':
case 'm':
case 'r':
return (NULL);
break;
case 'd':
case 's':
value = sr_hex2base64(&(m->sum[2]));
break;
case 'z':
value = sum2identity(m->sum[2]);
break;
case '0':
case 'a':
default:
value = &(m->sum[2]);
break;
}
sprintf(istr, " \"method\" : \"%s\", \"value\" : \"%s\" ", sum2identity(m->sum[0]), value);
return (istr);
}
#ifdef HAVE_JSONC
static void v03assign_field(struct sr_log_context_s *logctx, const char *key, json_object * jso_v)
/* Assign the value of the field given by key to the corresponding member
of the static msg struct.
*/
{
static char unsupported[15];
struct sr_header_s *h;
size_t tlen;
json_object *subvalue;
strcpy(unsupported, "unsupported");
if (!strcmp(key, "atime")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: atime is not a string: %d\n",
json_object_get_type(subvalue));
return;
}
strcpy(msg.atime, json_object_get_string(jso_v));
tlen = strlen(msg.atime);
if (tlen < 16) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: atime should be string: %s\n",
msg.atime);
return;
}
tlen -= 8;
memmove(&msg.atime[8], &msg.atime[9], tlen); //eliminate "T".
} else if (!strcmp(key, "blocks")) {
json_object_object_get_ex(jso_v, "method", &subvalue);
if (!strcmp(json_object_get_string(subvalue), "inplace")) {
msg.parts_s = 'i';
} else {
msg.parts_s = 'p';
}
json_object_object_get_ex(jso_v, "size", &subvalue);
if (json_object_is_type(subvalue, json_type_string)) {
msg.parts_blksz = atol(json_object_get_string(subvalue));
} else if (json_object_is_type(subvalue, json_type_int)) {
msg.parts_blksz = json_object_get_int64(subvalue);
} else {
sr_log_msg(logctx,LOG_ERROR,
"malformed json: blocks/size should be an int, but is: %d\n",
json_object_get_type(subvalue));
}
json_object_object_get_ex(jso_v, "remainder", &subvalue);
if (json_object_is_type(subvalue, json_type_string)) {
msg.parts_rem = atol(json_object_get_string(subvalue));
} else if (json_object_is_type(subvalue, json_type_int)) {
msg.parts_rem = json_object_get_int64(subvalue);
} else {
sr_log_msg(logctx,LOG_ERROR,
"malformed json: blocks/remainder should be an int, but is: %d\n",
json_object_get_type(subvalue));
}
json_object_object_get_ex(jso_v, "number", &subvalue);
if (json_object_is_type(subvalue, json_type_string)) {
msg.parts_num = atol(json_object_get_string(subvalue));
} else if (json_object_is_type(subvalue, json_type_int)) {
msg.parts_num = json_object_get_int64(subvalue);
} else {
sr_log_msg(logctx,LOG_ERROR,
"malformed json: blocks/number should be an int, but is: %d\n",
json_object_get_type(subvalue));
}
json_object_object_get_ex(jso_v, "count", &subvalue);
if (json_object_is_type(subvalue, json_type_string)) {
msg.parts_blkcount = atol(json_object_get_string(subvalue));
} else if (json_object_is_type(subvalue, json_type_int)) {
msg.parts_blkcount = json_object_get_int64(subvalue);
} else {
sr_log_msg(logctx,LOG_ERROR,
"malformed json: blocks/count should be an int, but is: %d\n",
json_object_get_type(subvalue));
}
} else if (!strcmp(key, "mode")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: mode should be string: %d\n",
json_object_get_type(jso_v));
return;
}
msg.mode = strtoul(json_object_get_string(jso_v), NULL, 8);
} else if (!strcmp(key, "mtime")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR,
"malformed message: mtime value is not a string: %d\n",
json_object_get_type(jso_v));
return;
}
strcpy(msg.mtime, json_object_get_string(jso_v));
tlen = strlen(msg.mtime);
if (tlen < 16) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: mtime should be string: %s\n",
msg.mtime);
return;
}
tlen -= 8;
memmove(&msg.mtime[8], &msg.mtime[9], tlen); //eliminate "T".
} else if (!strcmp(key, "baseUrl")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: baseUrl should be string: %d\n",
json_object_get_type(jso_v));
return;
}
strcpy(msg.url, json_object_get_string(jso_v));
} else if (!strcmp(key, "relPath")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: relPath should be string: %d\n",
json_object_get_type(jso_v));
return;
}
strcpy(msg.relPath, json_object_get_string(jso_v));
if (strlen(msg.relPath) == 0) {
sr_log_msg(logctx,LOG_ERROR, "malformed message: relPath is empty string.\n");
return;
}
} else if (!strcmp(key, "pubTime")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: pubTime not a string: %d\n",
json_object_get_type(jso_v));
return;
}
strcpy(msg.datestamp, json_object_get_string(jso_v));
tlen = strlen(msg.datestamp);
if (tlen < 16) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: pubTime value too short: %s\n",
msg.datestamp);
return;
}
if ((strlen(msg.datestamp) > 8) && ( msg.datestamp[8] == 'T' )) {
tlen -= 8;
memmove(&msg.datestamp[8], &msg.datestamp[9], tlen); //eliminate "T".
}
} else if (!strcmp(key, "fileOp")) {
if (json_object_get_type(jso_v) != json_type_object) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: identity should be an object: %d\n",
json_object_get_type(jso_v));
return;
}
EVP_MD_CTX *ctx;
const EVP_MD *md;
unsigned int hashlen = 0;
unsigned char sumhash[SR_SUMHASHLEN];
char sumstr[SR_SUMSTRLEN];
if (json_object_object_get_ex(jso_v, "link", &subvalue)) {
const char *v = json_object_get_string(subvalue);
sr_log_msg(logctx,LOG_ERROR, "link subvalue: %s\n", v);
strcpy(msg.link, v);
sr_log_msg(logctx,LOG_ERROR, "copied to msg.link: %s\n", msg.link);
ctx = EVP_MD_CTX_create();
md = EVP_sha512();
EVP_DigestInit_ex(ctx, md, NULL);
EVP_DigestUpdate(ctx, v, strlen(v));
EVP_DigestFinal_ex(ctx, sumhash, &hashlen);
sprintf(msg.sum, "L,%s", sr_hash2sumstr(sumstr,sumhash));
return;
} else if (json_object_object_get_ex(jso_v, "remove", &subvalue)) {
char *just_the_name;
if (strlen(msg.relPath) > 0) {
just_the_name = rindex(msg.relPath, '/');
just_the_name = just_the_name ? just_the_name + 1 : msg.relPath;
} else {
// FIXME should defer to end of parse and find the real name.
// This is a bug, but nobody does mirroring with v2 anyways.
just_the_name = "placeholder";
}
ctx = EVP_MD_CTX_create();
md = EVP_sha512();
EVP_DigestInit_ex(ctx, md, NULL);
EVP_DigestUpdate(ctx, just_the_name, strlen(just_the_name));
EVP_DigestFinal_ex(ctx, sumhash, &hashlen);
sprintf(msg.sum, "R,%s", sr_hash2sumstr(sumstr,sumhash));
return;
} else if (json_object_object_get_ex(jso_v, "directory", &subvalue)) {
char *just_the_name;
if (strlen(msg.relPath) > 0) {
just_the_name = rindex(msg.relPath, '/');
just_the_name = just_the_name ? just_the_name + 1 : msg.relPath;
} else {
// FIXME should defer to end of parse and find the real name.
// This is a bug, but nobody does mirroring with v2 anyways.
just_the_name = "placeholder";
}
ctx = EVP_MD_CTX_create();
md = EVP_sha512();
EVP_DigestInit_ex(ctx, md, NULL);
EVP_DigestUpdate(ctx, just_the_name, strlen(just_the_name));
EVP_DigestFinal_ex(ctx, sumhash, &hashlen);
sprintf(msg.sum, "m,%s", sr_hash2sumstr(sumstr,sumhash));
return;
} else if (json_object_object_get_ex(jso_v, "rmdir", &subvalue)) {
char *just_the_name;
if (strlen(msg.relPath) > 0) {
just_the_name = rindex(msg.relPath, '/');
just_the_name = just_the_name ? just_the_name + 1 : msg.relPath;
} else {
// FIXME should defer to end of parse and find the real name.
// This is a bug, but nobody does mirroring with v2 anyways.
just_the_name = "placeholder";
}
ctx = EVP_MD_CTX_create();
md = EVP_sha512();
EVP_DigestInit_ex(ctx, md, NULL);
EVP_DigestUpdate(ctx, just_the_name, strlen(just_the_name));
EVP_DigestFinal_ex(ctx, sumhash, &hashlen);
sprintf(msg.sum, "r,%s", sr_hash2sumstr(sumstr,sumhash));
return;
} else if (json_object_object_get_ex(jso_v, "rename", &subvalue)) {
const char *v = json_object_get_string(subvalue);
h = (struct sr_header_s *)malloc(sizeof(struct sr_header_s));
h->key = strdup("oldname");
h->value = strdup(v);
h->next = msg.user_headers;
h->is_numeric = false;
msg.user_headers = h;
}
} else if (!strcmp(key,"identity") || (!strcmp(key, "integrity"))) {
//FIXME
if (json_object_get_type(jso_v) != json_type_object) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: identity should be an object: %d\n",
json_object_get_type(jso_v));
return;
}
json_object_object_get_ex(jso_v, "method", &subvalue);
const char *v3m = json_object_get_string(subvalue);
char s;
s = 'u';
if (!strcmp(v3m, "random"))
s = '0';
if (!strcmp(v3m, "arbitrary"))
s = 'a';
if (!strcmp(v3m, "md5"))
s = 'd';
if (!strcmp(v3m, "md5name"))
s = 'n';
if (!strcmp(v3m, "sha512name"))
s = 'p';
if (!strcmp(v3m, "sha512"))
s = 's';
if (!strcmp(v3m, "cod"))
s = 'z';
if (s == 'u') {
sr_log_msg(logctx,LOG_ERROR, "unknown checksum specified: %s\n", v3m);
return;
}
json_object_object_get_ex(jso_v, "value", &subvalue);
const char *v = json_object_get_string(subvalue);
if (!strchr("0az", s)) {
v = sr_base642hex(v);
}
sprintf(msg.sum, "%c,%s", s, v);
return;
} else if (!strcmp(key, "size")) {
//FIXME: no error checking, invalid parts header will cause a bobo.
msg.parts_s = '1';
msg.parts_blksz = atol(json_object_get_string(jso_v));
msg.parts_blkcount = 1;
msg.parts_rem = 0;
msg.parts_num = 0;
} else if (!strcmp(key, "relPath")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR,
"malformed json: relPath value should be string: %d\n",
json_object_get_type(jso_v));
return;
}
strcpy(msg.relPath, json_object_get_string(jso_v));
} else if (!strcmp(key, "source")) {
if (!json_object_is_type(jso_v, json_type_string)) {
sr_log_msg(logctx,LOG_ERROR, "malformed json: source value should be string: %d\n",
json_object_get_type(jso_v));
return;
}
strcpy(msg.source, json_object_get_string(jso_v));
} else {
h = (struct sr_header_s *)malloc(sizeof(struct sr_header_s));
h->key = strdup(key);
if (json_object_is_type(jso_v, json_type_string)) {
h->value = strdup(json_object_get_string(jso_v));
} else {
h->value = strdup(unsupported);
}
h->is_numeric = false;
h->next = msg.user_headers;
msg.user_headers = h;
}
}
#endif
static void json_dump_strheader(char *tag, char *value, bool is_numeric)
{
if (is_numeric) {
printf("\"%s\": %s", tag, value);
} else {
printf("\"%s\": \"%s\"", tag, value);
}
}
char *sr_message_2log(struct sr_message_s *m)
{
static char b[10240]; // FIXME! need more than 10K for a log message? check?
char *ci;
char *rename;
sprintf(b, "{ \"pubTime\":\"%s\", \"baseUrl\":\"%s\", \"relPath\":\"%s\", \"topic\":\"%s\"",
m->datestamp, m->url, m->relPath, m->routing_key);
ci = v03identity(m);
if (ci && !strchr("mrRL", m->sum[0])) {
sprintf(strchr(b, '\0'), ", \"identity\":{ %s } ", ci);
}
if ((m->sum[0] != 'R') && (m->sum[0] != 'L') && (m->sum[0] != 'r')) {
sprintf(strchr(b, '\0'), ", \"mtime\":\"%s\", \"atime\":\"%s\"", m->mtime,
m->atime);
if (m->mode)
sprintf(strchr(b, '\0'), ", \"mode\":\"%04o\"", m->mode);
if (m->sum[0] != 'm')
sprintf(strchr(b, '\0'), ", \"size\":\"%ld\"", m->parts_blksz);
}
/*if (m->rename)
sprintf(strchr(b, '\0'), ", \"fileOp\" : { \"rename\":\"%s\" }", m->rename);
*/
rename = NULL;
for (struct sr_header_s * h = m->user_headers; h; h = h->next) {
if (!strcmp(h->key, "oldname")) {
rename = h->value;
} else {
sprintf(strchr(b, '\0'), ", \"%s\":\"%s\"", h->key, h->value);
}
}
if (m->sum[0] == 'L') {
sprintf(strchr(b, '\0'), ", \"fileOp\" : { \"link\":\"%s\"", m->link);
if (rename) {
sprintf(strchr(b, '\0'), ", \"rename\" : \"%s\" }", rename);
} else {
sprintf(strchr(b, '\0'), "}");
}
} else if (m->sum[0] == 'R') {
sprintf(strchr(b, '\0'), ", \"fileOp\" : { \"remove\":\"\"");
if (rename) {
sprintf(strchr(b, '\0'), ", \"rename\" : \"%s\" }", rename);
} else {
sprintf(strchr(b, '\0'), "}");
}
} else if (m->sum[0] == 'm') {
sprintf(strchr(b, '\0'), ", \"fileOp\" : { \"directory\":\"\"");
if (rename) {
sprintf(strchr(b, '\0'), ", \"rename\" : \"%s\" }", rename);
} else {
sprintf(strchr(b, '\0'), "}");
}
} else if (m->sum[0] == 'r') {
sprintf(strchr(b, '\0'), ", \"fileOp\" : { \"rmdir\":\"\"");
if (rename) {
sprintf(strchr(b, '\0'), ", \"rename\" : \"%s\" }", rename);
} else {
sprintf(strchr(b, '\0'), "}");
}
} else if (rename) {
sprintf(strchr(b, '\0'), ", \"fileOp\": { \"rename\" : \"%s\" }", rename);
}
sprintf(strchr(b, '\0'), "}");
return (b);
}
void sr_message_2json(struct sr_message_s *m)
{
struct sr_header_s *h;
printf("[");
printf(" \"%s\", { ", m->routing_key);
if (strlen(m->atime) > 9) {
json_dump_strheader("atime", m->atime, false);
}
printf(", ");
printf("\"mode\": \"%04o\"", m->mode);
printf(", ");
if (strlen(m->mtime) > 9) {
json_dump_strheader("mtime", m->mtime, false);
}
printf(", ");
printf("\"parts\": \"%c,%ld,%ld,%ld,%ld\"",
m->parts_s, m->parts_blksz, m->parts_blkcount, m->parts_rem, m->parts_num);
printf(", ");
json_dump_strheader("source", m->source, false);
printf(", ");
json_dump_strheader("sum", m->sum, false);
printf(", ");
for (h = msg.user_headers; h; h = h->next) {
printf(", ");
json_dump_strheader(h->key, h->value, h->is_numeric);
}
printf(" } \"%s %s %s\"", m->datestamp, m->url, m->relPath);
printf("]\n");
}
void sr_message_2url(struct sr_message_s *m)
{
printf("%s/%s\n", m->url, m->relPath);
}
struct sr_message_s *sr_consume(struct sr_context *sr_c)
/*
blocking read messages from queue.
*/
{
amqp_rpc_reply_t reply;
amqp_frame_t frame;
int result;
static time_t next_qdeclare_time=0;
static time_t now=0;
static char buf[SR_SARRAC_MAXIMUM_MESSAGE_LEN];
amqp_basic_deliver_t *d;
amqp_basic_properties_t *p;
int is_report;
static char consumer_tag[AMQP_MAX_SS];
char *tok;
size_t body_target;
size_t body_received;
char tag[AMQP_MAX_SS];
char value[AMQP_MAX_SS];
struct sr_header_s *tmph;
struct timeval tv;
static time_t this_second = 0;
static int consumed_this_second = 0;
if (now == 0) {
time(&now);
}
// rate limiting.
//sr_log_msg(sr_c->cfg->logctx,LOG_INFO, "rateMax: %d, consumed_this_second: %d\n",
// sr_c->cfg->messageRateMax, consumed_this_second );
if (sr_c->cfg->messageRateMax > 0) {
if (consumed_this_second >= sr_c->cfg->messageRateMax) {
sr_log_msg(sr_c->cfg->logctx,LOG_INFO, "messageRateMax %d per second sleeping for a second.\n",
sr_c->cfg->messageRateMax);
sleep(1);
time(&now);
}
if (now > this_second) {
this_second = now;
consumed_this_second = 0;
}
consumed_this_second++;
}
while (msg.user_headers) {
tmph = msg.user_headers;
free(tmph->key);
free(tmph->value);
msg.user_headers = tmph->next;
free(tmph);
}
time(&now);
if (next_qdeclare_time == 0) {
next_qdeclare_time=now+20;
} else if ( now > next_qdeclare_time )
{
sr_consume_queue_declare(sr_c, 1);
next_qdeclare_time += 20;
}
/*
basic_ack added as per michel's algorithm prior to consuming next.
formerly was: acked on receipt, which meant if the consumer crashed before
it finished, the message would not be requeued.
now: only ack when starting to work on next message.
*/
/*
if (sr_c->cfg->broker->last_delivery_tag > 0)
{
sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "acking: %d\n", sr_c->cfg->broker->last_delivery_tag );
result = amqp_basic_ack( sr_c->cfg->broker->conn, 1, sr_c->cfg->broker->last_delivery_tag, 0 );
reply = amqp_get_rpc_reply(sr_c->cfg->broker->conn);
if (reply.reply_type != AMQP_RESPONSE_NORMAL )
{
sr_amqp_reply_print(sr_c->cfg->logctx,reply, "basic_ack failed");
return(NULL);
}
}
*/
/*
FIXME: consume initializes consumer, then use consume_message later... not sure where to put this.
should probably move into another routine.
*/
if (!sr_c->cfg->broker->started) {
amqp_basic_qos(sr_c->cfg->broker->conn, 1, 0, (uint16_t) (sr_c->cfg->prefetch), 0);
reply = amqp_get_rpc_reply(sr_c->cfg->broker->conn);
if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
sr_amqp_reply_print(sr_c->cfg->logctx,reply, "basic_consume failed");
return (SR_CONSUME_BROKEN);
}
sprintf(consumer_tag, "host_%s_pid_%d", sr_local_fqdn(), sr_c->cfg->pid);
amqp_basic_consume(sr_c->cfg->broker->conn, 1,
amqp_cstring_bytes(sr_c->cfg->queuename),
//amqp_empty_bytes, // consumer_tag
amqp_cstring_bytes(consumer_tag), 0, // no_local
1, // no_ack ( == auto-ack ) - if set to 1, then comment out basic_ack code above.
0, // not_exclusive
amqp_empty_table);
reply = amqp_get_rpc_reply(sr_c->cfg->broker->conn);
if (reply.reply_type != AMQP_RESPONSE_NORMAL) {
sr_amqp_reply_print(sr_c->cfg->logctx,reply, "basic_consume failed");
return (SR_CONSUME_BROKEN);
}
sr_c->cfg->broker->started = 1;
}
amqp_maybe_release_buffers(sr_c->cfg->broker->conn);
tv.tv_sec=0L;
tv.tv_usec=1;
//sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "wait_frame.\n");
result = amqp_simple_wait_frame_noblock(sr_c->cfg->broker->conn, &frame, &tv);
if (result == AMQP_STATUS_TIMEOUT ) {
//sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "no messages ready.\n" );
return (NULL);
}
if (result < 0) {
sr_log_msg(sr_c->cfg->logctx,LOG_ERROR, "wait_frame bad result: %d. aborting connection.\n", result);
return (SR_CONSUME_BROKEN);
}
if (frame.frame_type != AMQP_FRAME_METHOD) {
sr_log_msg(sr_c->cfg->logctx,LOG_ERROR, "bad FRAME_METHOD: %d. aborting connection.\n",
frame.frame_type);
return (SR_CONSUME_BROKEN);
}
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD) {
sr_log_msg(sr_c->cfg->logctx,LOG_ERROR, "bad payload method: %d. aborting connection.\n",
frame.payload.method.id);
return (SR_CONSUME_BROKEN);
}
d = (amqp_basic_deliver_t *) frame.payload.method.decoded;
sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG,
"Frame type %d, channel %d Method %s consumer_tag: %s, delivery_tag: %ld\n",
frame.frame_type, frame.channel, amqp_method_name(frame.payload.method.id),
(char *)d->consumer_tag.bytes, (long)(d->delivery_tag));
sr_c->cfg->broker->last_delivery_tag = d->delivery_tag;
sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "exchange: \"%.*s\", routingkey: \"%.*s\",\n",
(int)d->exchange.len, (char *)d->exchange.bytes,
(int)d->routing_key.len, (char *)d->routing_key.bytes);
sprintf(msg.exchange, "%.*s", (int)d->exchange.len, (char *)d->exchange.bytes);
sprintf(msg.routing_key, "%.*s", (int)d->routing_key.len, (char *)d->routing_key.bytes);
is_report = (!strncmp(d->routing_key.bytes, "v02.report", 10));
result = amqp_simple_wait_frame(sr_c->cfg->broker->conn, &frame);
if (result < 0) {
sr_log_msg(sr_c->cfg->logctx,LOG_ERROR, "error receiving frame! aborting connection.");
return (SR_CONSUME_BROKEN);
}
if (frame.frame_type != AMQP_FRAME_HEADER) {
sr_log_msg(sr_c->cfg->logctx,LOG_ERROR, "Expected header! aborting connection.");
return (SR_CONSUME_BROKEN);
}
p = (amqp_basic_properties_t *) frame.payload.properties.decoded;
/* FIXME */
if (p->_flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG,
"Content-type: %.*s frame.payload.properties.class_id: %d body_size: %ld\n",
(int)p->content_type.len, (char *)p->content_type.bytes,
frame.payload.properties.class_id,
(long)frame.payload.properties.body_size);
}
if (p->_flags & AMQP_BASIC_HEADERS_FLAG) {
sr_log_msg(sr_c->cfg->logctx,LOG_DEBUG, "AMQP_BASIC_HEADERS_FLAG set. %d headers in message\n",
p->headers.num_entries);
for (int i = 0; i < p->headers.num_entries; i++) {
// FIXME: bug where num_entries==2, and entries=2 instead of a pointer.... very odd.
// We have no idea why this shows up, this is just a work-around, around the problem.
if ((unsigned long)(p->headers.entries) < 1024) {
sr_log_msg(sr_c->cfg->logctx,LOG_ERROR,
"corrupted message, num_entries > 0 (%d), but entries close to NULL (%p).\n",
p->headers.num_entries, (p->headers.entries));
goto after_headers;
} else
switch (p->headers.entries[i].value.kind) {
case AMQP_FIELD_KIND_I8:
sr_log_msg(sr_c->cfg->logctx,LOG_WARNING, "skipping I8 header %d value:%d\n",
i, (p->headers.entries[i].value.value.i8));
goto after_headers;
break;
case AMQP_FIELD_KIND_TIMESTAMP:
sr_log_msg(sr_c->cfg->logctx,LOG_WARNING,
"skipping TIMESTAMP header %d value:%lld\n", i,
(long long unsigned)(p->headers.entries[i].value.
value.u64));
break;
case AMQP_FIELD_KIND_UTF8:
sprintf(tag, "%.*s",
(int)p->headers.entries[i].key.len,
(char *)p->headers.entries[i].key.bytes);
sprintf(value, "%.*s",
(int)p->headers.entries[i].value.value.bytes.len,
(char *)p->headers.entries[i].value.value.bytes.
bytes);
assign_field(tag, value);
/*
sr_log_msg( sr_c->cfg->logctx, LOG_INFO, "\t\"%.*s\": \"%.*s\",\n",
(int) p->headers.entries[i].key.len,
(char *) p->headers.entries[i].key.bytes,
(int) p->headers.entries[i].value.value.bytes.len,
(char *) p->headers.entries[i].value.value.bytes.bytes
);
*/
break;
case AMQP_FIELD_KIND_U64:
sprintf(tag, "%.*s",
(int)p->headers.entries[i].key.len,
(char *)p->headers.entries[i].key.bytes);
sprintf(value, "%lu", p->headers.entries[i].value.value.u64 );
assign_field(tag, value);
sr_log_msg(sr_c->cfg->logctx,LOG_WARNING,
"skipping U64 header %d value:%lld\n", i,
(long long unsigned)(p->headers.entries[i].value.value.u64));
break;
case AMQP_FIELD_KIND_ARRAY:
sprintf(tag, "%.*s",
(int)p->headers.entries[i].key.len,
(char *)p->headers.entries[i].key.bytes);
sr_log_msg(sr_c->cfg->logctx,LOG_WARNING, "skipping ARRAY header %s index: %d\n", tag, i);
goto after_headers;
break;
case AMQP_FIELD_KIND_I32:
sprintf(tag, "%.*s",
(int)p->headers.entries[i].key.len,
(char *)p->headers.entries[i].key.bytes);
sprintf(value, "%u", p->headers.entries[i].value.value.u32 );
assign_field(tag, value);
break;
case AMQP_FIELD_KIND_I64:
sprintf(tag, "%.*s",
(int)p->headers.entries[i].key.len,
(char *)p->headers.entries[i].key.bytes);
sprintf(value, "%ld", p->headers.entries[i].value.value.i64 );
assign_field(tag, value);
break;
default:
sprintf(tag, "%.*s",
(int)p->headers.entries[i].key.len,