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#include <drizzled/global.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <iostream>
#include <fstream>
#include <string>
#include <unistd.h>
#include <drizzled/serialize/replication_event.pb.h>
using namespace std;
using namespace drizzle;
/*
Example reader application for master.info data.
*/
void printRecord(const ::drizzle::EventList *list)
{
int32_t e_size;
for (e_size= 0; e_size < list->event_size(); e_size++)
{
const Event event= list->event(e_size);
if (e_size != 0)
cout << endl << "##########################################################################################" << endl << endl;
switch (event.type())
{
case Event::DDL:
cout << "DDL ";
break;
case Event::INSERT:
{
int32_t x;
cout << "INSERT INTO " << event.table() << " (";
for (x= 0; x < event.field_names_size() ; x++)
{
if (x != 0)
cout << ", ";
cout << event.field_names(x);
}
cout << ") VALUES " << endl;
for (x= 0; x < event.values_size(); x++)
{
int32_t y;
Event_Value values= event.values(x);
if (x != 0)
cout << ", ";
cout << "(";
for (y= 0; y < values.value_size() ; y++)
{
if (y != 0)
cout << ", ";
cout << "\"" << values.value(y) << "\"";
}
cout << ")";
}
cout << ";" << endl;
break;
}
case Event::DELETE:
{
int32_t x;
Event_Value values= event.values(0);
cout << "DELETE FROM " << event.table() << " WHERE " << event.primary_key() << " IN (";
for (x= 0; x < values.value_size() ; x++)
{
if (x != 0)
cout << ", ";
cout << "\"" << values.value(x) << "\"";
}
cout << ")" << endl;
break;
}
case Event::UPDATE:
{
int32_t count;
for (count= 0; count < event.values_size() ; count++)
{
int32_t x;
Event_Value values= event.values(count);
cout << "UPDATE " << event.table() << " SET ";
for (x= 1; x < values.value_size() ; x++)
{
if (x != 1)
cout << ", ";
cout << event.field_names(x - 1) << " = \"" << values.value(x) << "\"";
}
cout << " WHERE " << event.primary_key() << " = " << values.value(0) << endl;
}
break;
}
case Event::COMMIT:
cout << "COMMIT" << endl;
break;
}
cout << endl;
if (event.has_sql())
cout << "Original SQL: " << event.sql() << endl;
cout << "AUTOCOMMIT: " << event.autocommit() << endl;
cout << "Server id: " << event.server_id() << endl;
cout << "Query id: " << event.query_id() << endl;
cout << "Transaction id: " << event.transaction_id() << endl;
cout << "Schema: " << event.schema() << endl;
if (event.type() != Event::DDL)
cout << "Table Name: " << event.table() << endl;
}
}
int main(int argc, char* argv[])
{
GOOGLE_PROTOBUF_VERIFY_VERSION;
int file;
if (argc != 2)
{
cerr << "Usage: " << argv[0] << " replication event log " << endl;
return -1;
}
EventList list;
if ((file= open(argv[1], O_RDONLY)) == -1)
{
cerr << "Can not open file: " << argv[0] << endl;
}
while (1)
{
uint64_t length;
char *buffer= NULL;
char *temp_buffer;
/* Read the size */
if (read(file, &length, sizeof(uint64_t)) != sizeof(uint64_t))
break;
if (length > SIZE_MAX)
{
cerr << "Attempted to read record bigger than SIZE_MAX" << endl;
exit(1);
}
temp_buffer= (char *)realloc(buffer, (size_t)length);
if (temp_buffer == NULL)
{
cerr << "Memory allocation failure trying to " << length << "." << endl;
exit(1);
}
buffer= temp_buffer;
/* Read the record */
if (read(file, buffer, (size_t)length) != (ssize_t)length)
{
cerr << "Could not read entire record." << endl;
exit(1);
}
list.ParseFromArray(buffer, (int)length);
/* Print the record */
printRecord(&list);
}
return 0;
}
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