C++ StatementPtr::execute方法代码示例

// Update the database by filling in test_results.first_error information for those tests that don't have a cached first error
// but which failed and have output.
static void
updateDatabase(const SqlDatabase::TransactionPtr &tx, const Settings &settings) {
    std::vector<std::string> args;
    SqlDatabase::StatementPtr q = tx->statement("update test_results test"
                                                " set first_error = substring("
#if 0 // [Robb Matzke 2016-02-08]
                                                // Look at all output stored in the database (which is typically only the last
                                                // few hundred lines of the complete output).
                                                "att.content "
#else
                                                // This coalesce tries to find where a parallel make command failed and looks
                                                // only at the following serial make, which is assumed to follow the parallel
                                                // make.
                                                "coalesce(substring(att.content from '(\\nmake: \\*\\*\\* \\[[-_a-zA-Z0-9]+\\] Error 1\n.+)'), att.content) "
#endif
                                                "from '(?n)("
                                                //----- regular expressions begin -----
                                                "\\merror: .+"
                                                "|catastrophic error: *\\n.+"
                                                "|^.* \\[err\\]: terminated after .+"
                                                "|^.* \\[err\\]: command died with .+"
                                                "|^.* \\[err\\]: +what\\(\\): .*"
                                                //----- regular expressions end -----
                                                ")')"
                                                " from attachments att" +
                                                sqlWhereClause(tx, settings, args) + " and"
                                                "    test.id = att.test_id and"
                                                "    test.first_error is null and"
                                                "    test.status <> 'end' and"
                                                "    att.name = 'Final output'");
    sqlBindArgs(q, args);
    q->execute();
}

// Clear all cached error information from the database.
static void
clearErrors(const SqlDatabase::TransactionPtr &tx, const Settings &settings) {
    std::vector<std::string> args;
    SqlDatabase::StatementPtr q = tx->statement("update test_results set first_error = null" +
                                                sqlWhereClause(tx, settings, args));
    sqlBindArgs(q, args);
    q->execute();
}

static void
postprocess(const SqlDatabase::TransactionPtr &tx)
{
    int windowSize = tx->statement("select window_size from run_parameters limit 1")->execute_int();
    int stride = tx->statement("select stride from run_parameters limit 1")->execute_int();
    assert(windowSize != 0);
    assert(stride != 0);

    cerr << "About to delete from postprocessed_clusters" << endl;
    tx->execute("delete from postprocessed_clusters");
    cerr << "... done" << endl;

    cerr << "About to postprocess" << endl;
    SqlDatabase::StatementPtr cmd = tx->statement("select cluster, function_id, index_within_function, vectors_row"
                                                  " from clusters order by cluster, function_id, index_within_function");
    SqlDatabase::StatementPtr insertCmd = tx->statement("insert into postprocessed_clusters"
                                                        " select * from clusters where row_number = ?");
    const size_t numStridesThatMustBeDifferent = windowSize / (stride * 2);
    string last_cluster = "";
    string last_func_id = "";
    size_t last_index_within_function = 0;
    vector<string> rows_in_this_cluster;
    bool first = true;
    for (SqlDatabase::Statement::iterator postproc_reader=cmd->begin(); postproc_reader!=cmd->end(); ++postproc_reader) {
        string cluster = postproc_reader.get<std::string>(0);
        string function_id = postproc_reader.get<std::string>(1);
        size_t index_within_function = postproc_reader.get<size_t>(2);
        string cluster_row_number = postproc_reader.get<std::string>(3);
        bool differentFunction = cluster != last_cluster || function_id != last_func_id;
        bool endingCluster = differentFunction;
        bool beginningNewCluster = first || differentFunction;
        first = false;
        if (endingCluster) {
            if (rows_in_this_cluster.size() > 1) { // Skip clusters that have only one element left
                for (size_t i = 0; i < rows_in_this_cluster.size(); ++i) {
                    insertCmd->bind(0, rows_in_this_cluster[i]);
                    insertCmd->execute();
                }
            }
        }
        if (beginningNewCluster) {
            last_cluster = cluster;
            last_func_id = function_id;
            last_index_within_function = index_within_function;
            rows_in_this_cluster.clear();
        }
        bool keep = beginningNewCluster || (index_within_function >= last_index_within_function + numStridesThatMustBeDifferent);
        if (keep) {
            last_index_within_function = index_within_function;
            rows_in_this_cluster.push_back(cluster_row_number);
        }
    }
    cerr << "... done" << endl;
}

void
insert_timing(const SqlDatabase::TransactionPtr &tx, std::string property_name, const timeval& before, const timeval& after,
              const rusage& ru_before, const rusage& ru_after)
{
    SqlDatabase::StatementPtr cmd = tx->statement("insert into timing"
                                                  // 0              1                2               3              4
                                                  " (property_name, total_wallclock, total_usertime, total_systime, wallclock,"
                                                  // 5        6
                                                  " usertime, systime)"
                                                  " values (?,?,?,?,?,?,?)");
    cmd->bind(0, property_name);
    cmd->bind(1, 0);
    cmd->bind(2, tvToDouble(ru_after.ru_utime));
    cmd->bind(3, tvToDouble(ru_after.ru_stime));
    cmd->bind(4, (tvToDouble(after) - tvToDouble(before)));
    cmd->bind(5, (tvToDouble(ru_after.ru_utime) - tvToDouble(ru_before.ru_utime)));
    cmd->bind(6, (tvToDouble(ru_after.ru_stime) - tvToDouble(ru_before.ru_stime)));
    cmd->execute();
}

void
addVectorToDatabase(const SqlDatabase::TransactionPtr &tx, const SignatureVector& vec, const std::string& functionName,
                    size_t functionId, size_t indexWithinFunction, const std::string& normalizedUnparsedInstructions,
                    SgAsmx86Instruction* firstInsn[], const std::string& filename, size_t windowSize, size_t stride)
{
    ++numVectorsGenerated;

    vector<uint8_t> compressedCounts = compressVector(vec.getBase(), SignatureVector::Size);
    size_t vectorSum = 0;
    for (size_t i=0; i<SignatureVector::Size; ++i)
        vectorSum += vec[i];

    ExtentMap extent;
    for (size_t i=0; i<windowSize; ++i)
        extent.insert(Extent(firstInsn[i]->get_address(), firstInsn[i]->get_size()));

    unsigned char md[16];
    MD5((const unsigned char*)normalizedUnparsedInstructions.data(), normalizedUnparsedInstructions.size(), md);

    SqlDatabase::StatementPtr cmd = tx->statement("insert into vectors"
                                                  // 0   1            2                      3     4             5
                                                  " (id, function_id, index_within_function, line, last_insn_va, size,"
                                                  // 6            7           8
                                                  "sum_of_counts, counts_b64, instr_seq_b64)"
                                                  " values (?,?,?,?,?,?,?,?,?)");
    int vector_id = tx->statement("select coalesce(max(id),0)+1 from vectors")->execute_int(); // 1-origin
    cmd->bind(0, vector_id);
    cmd->bind(1, functionId);
    cmd->bind(2, indexWithinFunction);
    cmd->bind(3, firstInsn[0]->get_address());
    cmd->bind(4, firstInsn[windowSize-1]->get_address());
    cmd->bind(5, extent.size());
    cmd->bind(6, vectorSum);
    cmd->bind(7, StringUtility::encode_base64(&compressedCounts[0], compressedCounts.size()));
    cmd->bind(8, StringUtility::encode_base64(md, 16));
    cmd->execute();
}

void
insert_timing(const SqlDatabase::TransactionPtr &tx, std::string property_name, const int groupLow, const int groupHigh,
              const int num_elements, const int k, const int l, const timeval& before, const timeval& after,
              const rusage& ru_before, const rusage& ru_after)
{
    SqlDatabase::StatementPtr cmd = tx->statement("insert into group_timing"
                                                  // 0         1          2             3  4  5
                                                  " (groupLow, groupHigh, num_elements, K, L, total_wallclock,"
                                                  // 6              7              8          9         10
                                                  " total_usertime, total_systime, wallclock, usertime, systime)"
                                                  " values (?,?,?,?,?,?,?,?,?,?,?)");
    cmd->bind(0, groupLow);
    cmd->bind(1, groupHigh);
    cmd->bind(2, num_elements);
    cmd->bind(3, k);
    cmd->bind(4, l);
    cmd->bind(5, 0);
    cmd->bind(6, tvToDouble(ru_after.ru_utime));
    cmd->bind(7, tvToDouble(ru_after.ru_stime));
    cmd->bind(8, (tvToDouble(after) - tvToDouble(before)));
    cmd->bind(9, (tvToDouble(ru_after.ru_utime) - tvToDouble(ru_before.ru_utime)));
    cmd->bind(10, (tvToDouble(ru_after.ru_stime) - tvToDouble(ru_before.ru_stime)));
    cmd->execute();
}

void
add_calls_to_syscalls_to_db(SqlDatabase::TransactionPtr tx, DirectedGraph* G, std::vector<SgAsmFunction*> all_functions)
{
    // load the functions in db into memory
    std::map<std::string, std::set<int> > symbolToId;
    SqlDatabase::StatementPtr cmd3 = tx->statement("select id, name  from semantic_functions");
    for (SqlDatabase::Statement::iterator r=cmd3->begin(); r!=cmd3->end(); ++r) {
        int func_id           = r.get<int>(0);
        std::string func_name = r.get<std::string>(1);

        if (func_name.size() == 0)
            continue;

        std::map<std::string, std::set<int> >::iterator fit = symbolToId.find(func_name);
        if (fit == symbolToId.end()) {
            std::set<int> function_ids;
            function_ids.insert(func_id);
            symbolToId[func_name] = function_ids;
        } else {
            fit->second.insert(func_id);
        }
    }

    DirectedGraph& graph = *G;
    SqlDatabase::StatementPtr stmt = tx->statement("insert into syscalls_made(caller, syscall_id, syscall_name) values(?,?,?)");

    // Iterate over all components of the reachability graph
    typedef graph_traits<DirectedGraph>::vertex_descriptor Vertex;
    graph_traits<DirectedGraph>::vertex_iterator i, end;
    for (tie(i, end) = vertices(graph); i != end; ++i) {
        if (*i < ids_reserved_for_syscalls)
            continue;

        std::set<int> syscalls;

        // Iterate through the child vertex indices for [current_index]
        std::vector<Vertex> reachable;
        boost::breadth_first_search(graph, *i,
                                    boost::visitor(boost::make_bfs_visitor(boost::write_property(boost::identity_property_map(),
                                                                                                 std::back_inserter(reachable),
                                                                                                 boost::on_discover_vertex()))));
        for (std::vector<Vertex>::iterator it = reachable.begin(); it != reachable.end(); ++it) {
            if (*it < ids_reserved_for_syscalls)
                syscalls.insert(*it);
        }

        int caller_id = *i - ids_reserved_for_syscalls;
        ROSE_ASSERT(caller_id >= 0);
        SgAsmFunction* caller = all_functions[caller_id];
        ROSE_ASSERT(isSgAsmFunction(caller) != NULL);

        std::string func_name = caller->get_name();
        if (func_name.length() == 0)
            continue;

        std::map<std::string, std::set<int> >::iterator equivalent_ids = symbolToId.find(func_name);
        if (equivalent_ids == symbolToId.end())
            equivalent_ids = symbolToId.find(func_name+"@plt");

        if (syscalls.size() > 0 && equivalent_ids != symbolToId.end()) {
            for (std::set<int>::iterator sit = syscalls.begin(); sit != syscalls.end(); ++sit) {
                int syscall_callee_id = *sit;
                extern std::map<int, std::string> linux32_syscalls; // defined in linux_syscalls.C
                const std::string &syscall_name = linux32_syscalls[syscall_callee_id];
                for (std::set<int>::iterator equivalent_id = equivalent_ids->second.begin();
                     equivalent_id != equivalent_ids->second.end(); ++ equivalent_id) {
                    stmt->bind(0, *equivalent_id);
                    stmt->bind(1, syscall_callee_id);
                    stmt->bind(2, syscall_name);
                    stmt->execute();
                }
            }
        }
    }
}

    void operator()() {
        // Database connections don't survive over fork() according to SqLite and PostgreSQL documentation, so open it again
        SqlDatabase::TransactionPtr tx = SqlDatabase::Connection::create(databaseUrl)->transaction();

        // Use zero for the number of tests ran so that this child process doesn't try to update the semantic_history table.
        // If two or more processes try to change the same row (which they will if there's a non-zero number of tests) then
        // they will deadlock with each other.
        static const size_t NO_TESTS_RAN = 0;

        NameSet builtin_function_names;
        add_builtin_functions(builtin_function_names/*out*/);

        InputGroup igroup;
        WorkItem prevWorkItem;
        SgAsmInterpretation *prev_interp = NULL;
        MemoryMap ro_map;
        Disassembler::AddressSet whitelist_exports;         // dynamic functions that should be called
        PointerDetectors pointers;
        InsnCoverage insn_coverage;
        DynamicCallGraph dynamic_cg;
        Tracer tracer;
        ConsumedInputs consumed_inputs;
        FuncAnalyses funcinfo;
        OutputGroups ogroups; // do not load from database (that might take a very long time)
        time_t last_checkpoint = time(NULL);
        for (size_t workIdx=0; workIdx<work.size(); ++workIdx) {
            WorkItem &workItem = work[workIdx];

            // Load the input group from the database if necessary.
            if (workItem.igroup_id!=prevWorkItem.igroup_id) {
                if (!igroup.load(tx, workItem.igroup_id)) {
                    std::cerr <<argv0 <<": input group " <<workItem.igroup_id <<" is empty or does not exist\n";
                    exit(1);
                }
            }

            // Find the function to test
            IdFunctionMap::iterator func_found = functions.find(workItem.func_id);
            assert(func_found!=functions.end());
            SgAsmFunction *func = func_found->second;
            if (opt.verbosity>=LACONIC) {
                if (opt.verbosity>=EFFUSIVE)
                    std::cerr <<argv0 <<": " <<std::string(100, '=') <<"\n";
                std::cerr <<argv0 <<": processing function " <<function_to_str(func, function_ids) <<"\n";
            }
            SgAsmInterpretation *interp = SageInterface::getEnclosingNode<SgAsmInterpretation>(func);
            assert(interp!=NULL);

            // Do per-interpretation stuff
            if (interp!=prev_interp) {
                prev_interp = interp;
                assert(interp->get_map()!=NULL);
                ro_map = *interp->get_map();
                ro_map.require(MemoryMap::READABLE).prohibit(MemoryMap::WRITABLE).keep();
                Disassembler::AddressSet whitelist_imports = get_import_addresses(interp, builtin_function_names);
                whitelist_exports.clear(); // imports are addresses of import table slots; exports are functions
                overmap_dynlink_addresses(interp, *insns, opt.params.follow_calls, &ro_map, GOTPLT_VALUE,
                                          whitelist_imports, whitelist_exports/*out*/);
                if (opt.verbosity>=EFFUSIVE) {
                    std::cerr <<argv0 <<": memory map for SgAsmInterpretation:\n";
                    interp->get_map()->dump(std::cerr, argv0+":   ");
                }
            }

            // Run the test
            assert(insns!=NULL);
            assert(entry2id!=NULL);
            std::cerr <<"process " <<getpid() <<" about to run test " <<workIdx <<"/" <<work.size() <<" " <<workItem <<"\n";
            runOneTest(tx, workItem, pointers, func, function_ids, insn_coverage, dynamic_cg, tracer, consumed_inputs,
                       interp, whitelist_exports, cmd_id, igroup, funcinfo, *insns, &ro_map, *entry2id, ogroups);
            ++ntests_ran;

            // Checkpoint
            if (opt.checkpoint>0 && time(NULL)-last_checkpoint > opt.checkpoint) {
                if (!opt.dry_run)
                    tx = checkpoint(tx, ogroups, tracer, insn_coverage, dynamic_cg, consumed_inputs, NULL, NO_TESTS_RAN,
                                    cmd_id);
                last_checkpoint = time(NULL);
            }

            prevWorkItem = workItem;
        }
        std::cerr <<"process " <<getpid() <<" is done testing; now finishing up...\n";

        if (!tx->is_terminated()) {
            SqlDatabase::StatementPtr stmt = tx->statement("insert into semantic_funcpartials"
                                             " (func_id, ncalls, nretused, ntests, nvoids) values"
                                             " (?,       ?,      ?,        ?,      ?)");
            for (FuncAnalyses::iterator fi=funcinfo.begin(); fi!=funcinfo.end(); ++fi) {
                stmt->bind(0, fi->first);
                stmt->bind(1, fi->second.ncalls);
                stmt->bind(2, fi->second.nretused);
                stmt->bind(3, fi->second.ntests);
                stmt->bind(4, fi->second.nvoids);
                stmt->execute();
            }
        }

        // Cleanup
        if (!tx->is_terminated() && !opt.dry_run) {
//.........这里部分代码省略.........