mirror of
https://github.com/zeek/zeek.git
synced 2025-10-06 16:48:19 +00:00
Refactored formatters and updated the the writers a bit.
- Formatters have been abstracted similarly to readers and writers now. - The Ascii writer has a new option for writing out logs as JSON. - The Ascii writer now has all options availble as per-filter options as well as global.
This commit is contained in:
Seth Hall
parent
83ec05bb4a
commit
a56c343715
25 changed files with 750 additions and 428 deletions
149
src/threading/Formatter.cc
Normal file
149
src/threading/Formatter.cc
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@ -0,0 +1,149 @@
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// See the file "COPYING" in the main distribution directory for copyright.
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#include "config.h"
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#include <sstream>
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#include <errno.h>
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#include "Formatter.h"
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#include "bro_inet_ntop.h"
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using namespace threading;
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using namespace formatter;
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using threading::Value;
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using threading::Field;
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Formatter::Formatter(threading::MsgThread* t)
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{
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thread = t;
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}
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Formatter::~Formatter()
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{
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}
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bool Formatter::CheckNumberError(const string& s, const char* end) const
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{
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// Do this check first, before executing s.c_str() or similar.
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// otherwise the value to which *end is pointing at the moment might
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// be gone ...
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bool endnotnull = (*end != '\0');
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if ( s.length() == 0 )
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{
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thread->Error("Got empty string for number field");
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return true;
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}
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if ( end == s.c_str() ) {
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thread->Error(thread->Fmt("String '%s' contained no parseable number", s.c_str()));
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return true;
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}
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if ( endnotnull )
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thread->Warning(thread->Fmt("Number '%s' contained non-numeric trailing characters. Ignored trailing characters '%s'", s.c_str(), end));
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if ( errno == EINVAL )
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{
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thread->Error(thread->Fmt("String '%s' could not be converted to a number", s.c_str()));
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return true;
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}
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else if ( errno == ERANGE )
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{
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thread->Error(thread->Fmt("Number '%s' out of supported range.", s.c_str()));
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return true;
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}
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return false;
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}
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string Formatter::Render(const threading::Value::addr_t& addr) const
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{
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if ( addr.family == IPv4 )
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{
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char s[INET_ADDRSTRLEN];
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if ( ! bro_inet_ntop(AF_INET, &addr.in.in4, s, INET_ADDRSTRLEN) )
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return "<bad IPv4 address conversion>";
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else
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return s;
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}
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else
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{
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char s[INET6_ADDRSTRLEN];
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if ( ! bro_inet_ntop(AF_INET6, &addr.in.in6, s, INET6_ADDRSTRLEN) )
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return "<bad IPv6 address conversion>";
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else
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return s;
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}
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}
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TransportProto Formatter::ParseProto(const string &proto) const
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{
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if ( proto == "unknown" )
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return TRANSPORT_UNKNOWN;
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else if ( proto == "tcp" )
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return TRANSPORT_TCP;
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else if ( proto == "udp" )
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return TRANSPORT_UDP;
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else if ( proto == "icmp" )
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return TRANSPORT_ICMP;
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thread->Error(thread->Fmt("Tried to parse invalid/unknown protocol: %s", proto.c_str()));
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return TRANSPORT_UNKNOWN;
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}
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// More or less verbose copy from IPAddr.cc -- which uses reporter.
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threading::Value::addr_t Formatter::ParseAddr(const string &s) const
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{
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threading::Value::addr_t val;
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if ( s.find(':') == std::string::npos ) // IPv4.
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{
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val.family = IPv4;
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if ( inet_aton(s.c_str(), &(val.in.in4)) <= 0 )
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{
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thread->Error(thread->Fmt("Bad address: %s", s.c_str()));
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memset(&val.in.in4.s_addr, 0, sizeof(val.in.in4.s_addr));
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}
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}
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else
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{
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val.family = IPv6;
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if ( inet_pton(AF_INET6, s.c_str(), val.in.in6.s6_addr) <=0 )
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{
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thread->Error(thread->Fmt("Bad address: %s", s.c_str()));
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memset(val.in.in6.s6_addr, 0, sizeof(val.in.in6.s6_addr));
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}
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}
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return val;
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}
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string Formatter::Render(const threading::Value::subnet_t& subnet) const
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{
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char l[16];
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if ( subnet.prefix.family == IPv4 )
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modp_uitoa10(subnet.length - 96, l);
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else
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modp_uitoa10(subnet.length, l);
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string s = Render(subnet.prefix) + "/" + l;
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return s;
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}
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string Formatter::Render(double d) const
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{
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char buf[256];
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modp_dtoa(d, buf, 6);
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return buf;
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}
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@ -1,42 +1,20 @@
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// See the file "COPYING" in the main distribution directory for copyright.
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#ifndef THREADING_ASCII_FORMATTER_H
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#define THREADING_ASCII_FORMATTER_H
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#ifndef THREADING_FORMATTER_H
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#define THREADING_FORMATTER_H
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#include "../Desc.h"
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#include "MsgThread.h"
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namespace threading { namespace formatter {
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/**
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* A thread-safe class for converting values into a readable ASCII
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* representation, and vice versa. This is a utility class that factors out
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* common rendering/parsing code needed by a number of input/output threads.
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* A thread-safe class for converting values into some textual format.
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* This is a base class that implements the interface forcommon
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* rendering/parsing code needed by a number of input/output threads.
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*/
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class AsciiFormatter {
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class Formatter {
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public:
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/**
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* A struct to pass the necessary configuration values to the
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* AsciiFormatter module on initialization.
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*/
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struct SeparatorInfo
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{
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string set_separator; // Separator between set elements.
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string unset_field; // String marking an unset field.
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string empty_field; // String marking an empty (but set) field.
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/**
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* Constructor that leaves separators etc unset to dummy
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* values. Useful if you use only methods that don't need any
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* of them, like StringToAddr, etc.
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*/
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SeparatorInfo();
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/**
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* Constructor that defines all the configuration options.
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* Use if you need either ValToODesc or EntryToVal.
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*/
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SeparatorInfo(const string& set_separator, const string& unset_field, const string& empty_field);
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};
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/**
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* Constructor.
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*
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@ -44,31 +22,69 @@ public:
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* some of the thread's methods, e.g., for error reporting and
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* internal formatting.
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*
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* @param info SeparatorInfo structure defining the necessary
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* separators.
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*/
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AsciiFormatter(threading::MsgThread* t, const SeparatorInfo info);
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Formatter(threading::MsgThread* t);
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/**
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* Destructor.
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*/
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~AsciiFormatter();
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virtual ~Formatter();
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/**
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* Convert a threading value into a corresponding ASCII.
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* representation.
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* Convert a list of threading values into an implementation specific representation.
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*
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* @param desc The ODesc object to write to.
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*
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* @param num_fields The number of fields in the logging record.
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*
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* @param fields Information about the fields for each of the given log values.
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*
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* @param vals The field values.
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*
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* @return Returns true on success, false on error. Errors are also
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* flagged via the reporter.
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*/
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virtual bool Describe(ODesc* desc, int num_fields, const threading::Field* const * fields,
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threading::Value** vals) const = 0;
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/**
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* Convert a threading value into an implementation specific representation.
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*
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* @param desc The ODesc object to write to.
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*
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* @param val the Value to render to the ODesc object.
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*
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* @param The name of a field associated with the value. Used only
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* for error reporting.
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* @return Returns true on success, false on error. Errors are also
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* flagged via the reporter.
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*/
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virtual bool Describe(ODesc* desc, threading::Value* val) const = 0;
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/**
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* Convert a threading value into an implementation specific representation.
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*
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* @param desc The ODesc object to write to.
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*
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* @param val the Value to render to the ODesc object.
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*
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* @param The name of a field associated with the value.
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*
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* @return Returns true on success, false on error. Errors are also
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* flagged via the reporter.
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*/
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bool Describe(ODesc* desc, threading::Value* val, const string& name) const;
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virtual bool Describe(ODesc* desc, threading::Value* val, const string& name) const = 0;
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/**
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* Convert a representation of a field into a value.
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*
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* @param s The string to parse.
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*
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* @param The name of a field associated with the value. Used only
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* for error reporting.
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*
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* @return The new value, or null on error. Errors are also flagged
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* via the reporter.
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*/
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virtual threading::Value* ParseValue(string s, string name, TypeTag type, TypeTag subtype = TYPE_ERROR) const = 0;
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/**
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* Convert an IP address into a string.
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*/
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string Render(double d) const;
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/**
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* Convert the ASCII representation of a field into a value.
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*
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* @param s The string to parse.
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*
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* @param The name of a field associated with the value. Used only
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* for error reporting.
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*
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* @return The new value, or null on error. Errors are also flagged
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* via the reporter.
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*/
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threading::Value* ParseValue(string s, string name, TypeTag type, TypeTag subtype = TYPE_ERROR) const;
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/**
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* Convert a string into a TransportProto. The string must be one of
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* \c tcp, \c udp, \c icmp, or \c unknown.
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@ -132,11 +135,12 @@ public:
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*/
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threading::Value::addr_t ParseAddr(const string &addr) const;
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private:
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protected:
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bool CheckNumberError(const string& s, const char * end) const;
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SeparatorInfo separators;
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threading::MsgThread* thread;
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};
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#endif /* THREADING_ASCII_FORMATTER_H */
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}}
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#endif /* THREADING_FORMATTER_H */
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@ -5,35 +5,59 @@
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#include <sstream>
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#include <errno.h>
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#include "AsciiFormatter.h"
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#include "bro_inet_ntop.h"
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#include "./Ascii.h"
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AsciiFormatter::SeparatorInfo::SeparatorInfo()
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using namespace threading::formatter;
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Ascii::SeparatorInfo::SeparatorInfo()
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{
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this->separator = "SHOULD_NOT_BE_USED";
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this->set_separator = "SHOULD_NOT_BE_USED";
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this->unset_field = "SHOULD_NOT_BE_USED";
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this->empty_field = "SHOULD_NOT_BE_USED";
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}
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AsciiFormatter::SeparatorInfo::SeparatorInfo(const string & set_separator,
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const string & unset_field, const string & empty_field)
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Ascii::SeparatorInfo::SeparatorInfo(const string & separator,
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const string & set_separator,
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const string & unset_field,
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const string & empty_field)
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{
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this->separator = separator;
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this->set_separator = set_separator;
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this->unset_field = unset_field;
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this->empty_field = empty_field;
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}
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AsciiFormatter::AsciiFormatter(threading::MsgThread* t, const SeparatorInfo info)
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Ascii::Ascii(threading::MsgThread* t, const SeparatorInfo info) : Formatter(t)
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{
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thread = t;
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this->separators = info;
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}
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AsciiFormatter::~AsciiFormatter()
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Ascii::~Ascii()
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{
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}
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bool AsciiFormatter::Describe(ODesc* desc, threading::Value* val, const string& name) const
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bool Ascii::Describe(ODesc* desc, int num_fields, const threading::Field* const * fields,
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threading::Value** vals) const
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{
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for ( int i = 0; i < num_fields; i++ )
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{
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if ( i > 0 )
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desc->AddRaw(separators.separator);
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if ( ! Describe(desc, vals[i], fields[i]->name) )
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return false;
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}
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return true;
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}
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bool Ascii::Describe(ODesc* desc, threading::Value* val, const string& name) const
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{
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return Describe(desc, val);
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}
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bool Ascii::Describe(ODesc* desc, threading::Value* val) const
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{
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if ( ! val->present )
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{
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@ -133,7 +157,7 @@ bool AsciiFormatter::Describe(ODesc* desc, threading::Value* val, const string&
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if ( j > 0 )
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desc->AddRaw(separators.set_separator);
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if ( ! Describe(desc, val->val.set_val.vals[j], name) )
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if ( ! Describe(desc, val->val.set_val.vals[j]) )
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{
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desc->RemoveEscapeSequence(separators.set_separator);
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return false;
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@ -158,7 +182,7 @@ bool AsciiFormatter::Describe(ODesc* desc, threading::Value* val, const string&
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if ( j > 0 )
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desc->AddRaw(separators.set_separator);
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if ( ! Describe(desc, val->val.vector_val.vals[j], name) )
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if ( ! Describe(desc, val->val.vector_val.vals[j]) )
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{
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desc->RemoveEscapeSequence(separators.set_separator);
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return false;
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@ -170,7 +194,7 @@ bool AsciiFormatter::Describe(ODesc* desc, threading::Value* val, const string&
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}
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default:
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thread->Error(thread->Fmt("unsupported field format %d for %s", val->type, name.c_str()));
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thread->Error(thread->Fmt("Ascii writer unsupported field format %d", val->type));
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return false;
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}
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@ -178,7 +202,7 @@ bool AsciiFormatter::Describe(ODesc* desc, threading::Value* val, const string&
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}
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threading::Value* AsciiFormatter::ParseValue(string s, string name, TypeTag type, TypeTag subtype) const
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threading::Value* Ascii::ParseValue(string s, string name, TypeTag type, TypeTag subtype) const
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{
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if ( s.compare(separators.unset_field) == 0 ) // field is not set...
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return new threading::Value(type, false);
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@ -381,129 +405,3 @@ parse_error:
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delete val;
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return 0;
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}
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bool AsciiFormatter::CheckNumberError(const string& s, const char* end) const
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{
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// Do this check first, before executing s.c_str() or similar.
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// otherwise the value to which *end is pointing at the moment might
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// be gone ...
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bool endnotnull = (*end != '\0');
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if ( s.length() == 0 )
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{
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thread->Error("Got empty string for number field");
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return true;
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}
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if ( end == s.c_str() ) {
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thread->Error(thread->Fmt("String '%s' contained no parseable number", s.c_str()));
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return true;
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}
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if ( endnotnull )
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thread->Warning(thread->Fmt("Number '%s' contained non-numeric trailing characters. Ignored trailing characters '%s'", s.c_str(), end));
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if ( errno == EINVAL )
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{
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thread->Error(thread->Fmt("String '%s' could not be converted to a number", s.c_str()));
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return true;
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}
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else if ( errno == ERANGE )
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{
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thread->Error(thread->Fmt("Number '%s' out of supported range.", s.c_str()));
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return true;
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}
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return false;
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}
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string AsciiFormatter::Render(const threading::Value::addr_t& addr) const
|
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{
|
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if ( addr.family == IPv4 )
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{
|
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char s[INET_ADDRSTRLEN];
|
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|
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if ( ! bro_inet_ntop(AF_INET, &addr.in.in4, s, INET_ADDRSTRLEN) )
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return "<bad IPv4 address conversion>";
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else
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return s;
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}
|
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else
|
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{
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char s[INET6_ADDRSTRLEN];
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|
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if ( ! bro_inet_ntop(AF_INET6, &addr.in.in6, s, INET6_ADDRSTRLEN) )
|
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return "<bad IPv6 address conversion>";
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else
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return s;
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}
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}
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TransportProto AsciiFormatter::ParseProto(const string &proto) const
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{
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if ( proto == "unknown" )
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return TRANSPORT_UNKNOWN;
|
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else if ( proto == "tcp" )
|
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return TRANSPORT_TCP;
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else if ( proto == "udp" )
|
||||
return TRANSPORT_UDP;
|
||||
else if ( proto == "icmp" )
|
||||
return TRANSPORT_ICMP;
|
||||
|
||||
thread->Error(thread->Fmt("Tried to parse invalid/unknown protocol: %s", proto.c_str()));
|
||||
|
||||
return TRANSPORT_UNKNOWN;
|
||||
}
|
||||
|
||||
|
||||
// More or less verbose copy from IPAddr.cc -- which uses reporter.
|
||||
threading::Value::addr_t AsciiFormatter::ParseAddr(const string &s) const
|
||||
{
|
||||
threading::Value::addr_t val;
|
||||
|
||||
if ( s.find(':') == std::string::npos ) // IPv4.
|
||||
{
|
||||
val.family = IPv4;
|
||||
|
||||
if ( inet_aton(s.c_str(), &(val.in.in4)) <= 0 )
|
||||
{
|
||||
thread->Error(thread->Fmt("Bad address: %s", s.c_str()));
|
||||
memset(&val.in.in4.s_addr, 0, sizeof(val.in.in4.s_addr));
|
||||
}
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
val.family = IPv6;
|
||||
if ( inet_pton(AF_INET6, s.c_str(), val.in.in6.s6_addr) <=0 )
|
||||
{
|
||||
thread->Error(thread->Fmt("Bad address: %s", s.c_str()));
|
||||
memset(val.in.in6.s6_addr, 0, sizeof(val.in.in6.s6_addr));
|
||||
}
|
||||
}
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
string AsciiFormatter::Render(const threading::Value::subnet_t& subnet) const
|
||||
{
|
||||
char l[16];
|
||||
|
||||
if ( subnet.prefix.family == IPv4 )
|
||||
modp_uitoa10(subnet.length - 96, l);
|
||||
else
|
||||
modp_uitoa10(subnet.length, l);
|
||||
|
||||
string s = Render(subnet.prefix) + "/" + l;
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
string AsciiFormatter::Render(double d) const
|
||||
{
|
||||
char buf[256];
|
||||
modp_dtoa(d, buf, 6);
|
||||
return buf;
|
||||
}
|
||||
|
||||
62
src/threading/formatters/Ascii.h
Normal file
62
src/threading/formatters/Ascii.h
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
// See the file "COPYING" in the main distribution directory for copyright.
|
||||
|
||||
#ifndef THREADING_FORMATTERS_ASCII_H
|
||||
#define THREADING_FORMATTERS_ASCII_H
|
||||
|
||||
#include "../Formatter.h"
|
||||
|
||||
namespace threading { namespace formatter {
|
||||
|
||||
class Ascii : public Formatter {
|
||||
public:
|
||||
/**
|
||||
* A struct to pass the necessary configuration values to the
|
||||
* Ascii module on initialization.
|
||||
*/
|
||||
struct SeparatorInfo
|
||||
{
|
||||
string separator; // Separator between columns
|
||||
string set_separator; // Separator between set elements.
|
||||
string unset_field; // String marking an unset field.
|
||||
string empty_field; // String marking an empty (but set) field.
|
||||
|
||||
/**
|
||||
* Constructor that leaves separators etc unset to dummy
|
||||
* values. Useful if you use only methods that don't need any
|
||||
* of them, like StringToAddr, etc.
|
||||
*/
|
||||
SeparatorInfo();
|
||||
|
||||
/**
|
||||
* Constructor that defines all the configuration options.
|
||||
* Use if you need either ValToODesc or EntryToVal.
|
||||
*/
|
||||
SeparatorInfo(const string& separator, const string& set_separator, const string& unset_field, const string& empty_field);
|
||||
};
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*
|
||||
* @param t The thread that uses this class instance. The class uses
|
||||
* some of the thread's methods, e.g., for error reporting and
|
||||
* internal formatting.
|
||||
*
|
||||
* @param info SeparatorInfo structure defining the necessary
|
||||
* separators.
|
||||
*/
|
||||
Ascii(threading::MsgThread* t, const SeparatorInfo info);
|
||||
virtual ~Ascii();
|
||||
|
||||
virtual bool Describe(ODesc* desc, threading::Value* val) const;
|
||||
virtual bool Describe(ODesc* desc, threading::Value* val, const string& name) const;
|
||||
virtual bool Describe(ODesc* desc, int num_fields, const threading::Field* const * fields,
|
||||
threading::Value** vals) const;
|
||||
virtual threading::Value* ParseValue(string s, string name, TypeTag type, TypeTag subtype = TYPE_ERROR) const;
|
||||
|
||||
private:
|
||||
SeparatorInfo separators;
|
||||
};
|
||||
|
||||
}}
|
||||
|
||||
#endif /* THREADING_FORMATTERS_ASCII_H */
|
||||
177
src/threading/formatters/JSON.cc
Normal file
177
src/threading/formatters/JSON.cc
Normal file
|
|
@ -0,0 +1,177 @@
|
|||
// See the file "COPYING" in the main distribution directory for copyright.
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <sstream>
|
||||
#include <errno.h>
|
||||
|
||||
#include "./JSON.h"
|
||||
|
||||
using namespace threading::formatter;
|
||||
|
||||
JSON::JSON(MsgThread* t) : Formatter(t)
|
||||
{
|
||||
}
|
||||
|
||||
JSON::~JSON()
|
||||
{
|
||||
}
|
||||
|
||||
bool JSON::Describe(ODesc* desc, int num_fields, const Field* const * fields,
|
||||
Value** vals) const
|
||||
{
|
||||
desc->AddRaw("{");
|
||||
for ( int i = 0; i < num_fields; i++ )
|
||||
{
|
||||
if ( i > 0 &&
|
||||
desc->Bytes()[desc->Len()] != ',' && vals[i]->present )
|
||||
{
|
||||
desc->AddRaw(",");
|
||||
}
|
||||
|
||||
if ( ! Describe(desc, vals[i], fields[i]->name) )
|
||||
return false;
|
||||
}
|
||||
desc->AddRaw("}");
|
||||
return true;
|
||||
}
|
||||
|
||||
bool JSON::Describe(ODesc* desc, Value* val, const string& name) const
|
||||
{
|
||||
if ( ! val->present )
|
||||
return true;
|
||||
|
||||
desc->AddRaw("\"", 1);
|
||||
desc->Add(name);
|
||||
desc->AddRaw("\":", 2);
|
||||
|
||||
return Describe(desc, val);
|
||||
}
|
||||
|
||||
bool JSON::Describe(ODesc* desc, Value* val) const
|
||||
{
|
||||
if ( ! val->present )
|
||||
return true;
|
||||
|
||||
switch ( val->type )
|
||||
{
|
||||
case TYPE_BOOL:
|
||||
desc->AddRaw(val->val.int_val == 0 ? "false" : "true");
|
||||
break;
|
||||
|
||||
case TYPE_INT:
|
||||
desc->Add(val->val.int_val);
|
||||
break;
|
||||
|
||||
case TYPE_COUNT:
|
||||
case TYPE_COUNTER:
|
||||
{
|
||||
// JSON doesn't support unsigned 64bit ints.
|
||||
if ( val->val.uint_val >= INT64_MAX )
|
||||
{
|
||||
thread->Error(thread->Fmt("count value too large for JSON: %" PRIu64, val->val.uint_val));
|
||||
desc->AddRaw("null", 4);
|
||||
}
|
||||
else
|
||||
desc->Add(val->val.uint_val);
|
||||
break;
|
||||
}
|
||||
|
||||
case TYPE_PORT:
|
||||
desc->Add(val->val.port_val.port);
|
||||
break;
|
||||
|
||||
case TYPE_SUBNET:
|
||||
desc->AddRaw("\"", 1);
|
||||
desc->Add(Render(val->val.subnet_val));
|
||||
desc->AddRaw("\"", 1);
|
||||
break;
|
||||
|
||||
case TYPE_ADDR:
|
||||
desc->AddRaw("\"", 1);
|
||||
desc->Add(Render(val->val.addr_val));
|
||||
desc->AddRaw("\"", 1);
|
||||
break;
|
||||
|
||||
case TYPE_DOUBLE:
|
||||
case TYPE_INTERVAL:
|
||||
desc->Add(val->val.double_val);
|
||||
break;
|
||||
|
||||
case TYPE_TIME:
|
||||
{
|
||||
// ElasticSearch uses milliseconds for timestamps and json only
|
||||
// supports signed ints (uints can be too large).
|
||||
uint64_t ts = (uint64_t) (val->val.double_val * 1000);
|
||||
if ( ts >= INT64_MAX )
|
||||
{
|
||||
thread->Error(thread->Fmt("time value too large for JSON: %" PRIu64, ts));
|
||||
desc->AddRaw("null", 4);
|
||||
}
|
||||
else
|
||||
desc->Add(ts);
|
||||
break;
|
||||
}
|
||||
|
||||
case TYPE_ENUM:
|
||||
case TYPE_STRING:
|
||||
case TYPE_FILE:
|
||||
case TYPE_FUNC:
|
||||
{
|
||||
desc->AddRaw("\"", 1);
|
||||
for ( int i = 0; i < val->val.string_val.length; ++i )
|
||||
{
|
||||
char c = val->val.string_val.data[i];
|
||||
// 2byte Unicode escape special characters.
|
||||
if ( c < 32 || c > 126 || c == '\n' || c == '"' || c == '\'' || c == '\\' || c == '&' )
|
||||
{
|
||||
static const char hex_chars[] = "0123456789abcdef";
|
||||
desc->AddRaw("\\u00", 4);
|
||||
desc->AddRaw(&hex_chars[(c & 0xf0) >> 4], 1);
|
||||
desc->AddRaw(&hex_chars[c & 0x0f], 1);
|
||||
}
|
||||
else
|
||||
desc->AddRaw(&c, 1);
|
||||
}
|
||||
desc->AddRaw("\"", 1);
|
||||
break;
|
||||
}
|
||||
|
||||
case TYPE_TABLE:
|
||||
{
|
||||
desc->AddRaw("[", 1);
|
||||
for ( int j = 0; j < val->val.set_val.size; j++ )
|
||||
{
|
||||
if ( j > 0 )
|
||||
desc->AddRaw(",", 1);
|
||||
Describe(desc, val->val.set_val.vals[j]);
|
||||
}
|
||||
desc->AddRaw("]", 1);
|
||||
break;
|
||||
}
|
||||
|
||||
case TYPE_VECTOR:
|
||||
{
|
||||
desc->AddRaw("[", 1);
|
||||
for ( int j = 0; j < val->val.vector_val.size; j++ )
|
||||
{
|
||||
if ( j > 0 )
|
||||
desc->AddRaw(",", 1);
|
||||
Describe(desc, val->val.vector_val.vals[j]);
|
||||
}
|
||||
desc->AddRaw("]", 1);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
threading::Value* JSON::ParseValue(string s, string name, TypeTag type, TypeTag subtype) const
|
||||
{
|
||||
thread->Error("JSON formatter does not support parsing yet.");
|
||||
return NULL;
|
||||
}
|
||||
30
src/threading/formatters/JSON.h
Normal file
30
src/threading/formatters/JSON.h
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
// See the file "COPYING" in the main distribution directory for copyright.
|
||||
|
||||
#ifndef THREADING_FORMATTERS_JSON_H
|
||||
#define THREADING_FORMATTERS_JSON_H
|
||||
|
||||
#include "../Formatter.h"
|
||||
|
||||
namespace threading { namespace formatter {
|
||||
|
||||
/**
|
||||
* A thread-safe class for converting values into a JSON representation
|
||||
* and vice versa.
|
||||
*/
|
||||
class JSON : public Formatter {
|
||||
public:
|
||||
JSON(threading::MsgThread* t);
|
||||
virtual ~JSON();
|
||||
|
||||
virtual bool Describe(ODesc* desc, threading::Value* val) const;
|
||||
virtual bool Describe(ODesc* desc, threading::Value* val, const string& name) const;
|
||||
virtual bool Describe(ODesc* desc, int num_fields, const threading::Field* const * fields,
|
||||
threading::Value** vals) const;
|
||||
virtual threading::Value* ParseValue(string s, string name, TypeTag type, TypeTag subtype = TYPE_ERROR) const;
|
||||
|
||||
private:
|
||||
};
|
||||
|
||||
}}
|
||||
|
||||
#endif /* THREADING_FORMATTERS_JSON_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue