mirror of
git://git.psyc.eu/libpsyc
synced 2024-08-15 03:19:02 +00:00
138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
#ifndef PSYC_PACKET_H
|
|
# define PSYC_PACKET_H
|
|
|
|
#include <psyc.h>
|
|
#include <psyc/syntax.h>
|
|
|
|
typedef enum
|
|
{
|
|
PSYC_MODIFIER_CHECK_LENGTH = 0,
|
|
PSYC_MODIFIER_NEED_LENGTH = 1,
|
|
PSYC_MODIFIER_NO_LENGTH = 2,
|
|
PSYC_MODIFIER_ROUTING = 3,
|
|
} psycModifierFlag;
|
|
|
|
typedef enum
|
|
{
|
|
PSYC_LIST_CHECK_LENGTH = 0,
|
|
PSYC_LIST_NEED_LENGTH = 1,
|
|
PSYC_LIST_NO_LENGTH = 2,
|
|
} psycListFlag;
|
|
|
|
typedef enum
|
|
{
|
|
PSYC_PACKET_CHECK_LENGTH = 0,
|
|
PSYC_PACKET_NEED_LENGTH = 1,
|
|
PSYC_PACKET_NO_LENGTH = 2,
|
|
} psycPacketFlag;
|
|
|
|
/** intermediate struct for a PSYC variable modification */
|
|
typedef struct
|
|
{
|
|
char oper;
|
|
psycString name;
|
|
psycString value;
|
|
psycModifierFlag flag;
|
|
} psycModifier;
|
|
|
|
typedef struct
|
|
{
|
|
size_t lines;
|
|
psycModifier *modifiers;
|
|
} psycHeader;
|
|
|
|
typedef struct
|
|
{
|
|
size_t num_elems;
|
|
psycString *elems;
|
|
size_t length;
|
|
psycListFlag flag;
|
|
} psycList;
|
|
|
|
/** intermediate struct for a PSYC packet */
|
|
typedef struct
|
|
{
|
|
psycHeader routing; ///< Routing header.
|
|
psycHeader entity; ///< Entity header.
|
|
psycString method;
|
|
psycString data;
|
|
size_t routingLength; ///< Length of routing part.
|
|
size_t contentLength; ///< Length of content part.
|
|
size_t length; ///< Total length of packet.
|
|
psycPacketFlag flag;
|
|
} psycPacket;
|
|
|
|
/** Check if a modifier needs length */
|
|
static inline
|
|
psycModifierFlag psyc_checkModifierLength (psycModifier *m)
|
|
{
|
|
psycModifierFlag flag;
|
|
|
|
if (m->value.length > PSYC_MODIFIER_SIZE_THRESHOLD)
|
|
flag = PSYC_MODIFIER_NEED_LENGTH;
|
|
else if (memchr(m->value.ptr, (int)'\n', m->value.length))
|
|
flag = PSYC_MODIFIER_NEED_LENGTH;
|
|
else
|
|
flag = PSYC_MODIFIER_NO_LENGTH;
|
|
|
|
return flag;
|
|
}
|
|
|
|
/** Create new modifier */
|
|
static inline
|
|
psycModifier psyc_newModifier (char oper, psycString *name, psycString *value,
|
|
psycModifierFlag flag)
|
|
{
|
|
psycModifier m = {oper, *name, *value, flag};
|
|
|
|
if (flag == PSYC_MODIFIER_CHECK_LENGTH) // find out if it needs a length
|
|
m.flag = psyc_checkModifierLength(&m);
|
|
|
|
return m;
|
|
}
|
|
|
|
/** Create new modifier */
|
|
static inline
|
|
psycModifier psyc_newModifier2 (char oper,
|
|
const char *name, size_t namelen,
|
|
const char *value, size_t valuelen,
|
|
psycModifierFlag flag)
|
|
{
|
|
psycString n = {namelen, name};
|
|
psycString v = {valuelen, value};
|
|
|
|
return psyc_newModifier(oper, &n, &v, flag);
|
|
}
|
|
|
|
/** Get the total length of a modifier. */
|
|
size_t psyc_getModifierLength (psycModifier *m);
|
|
|
|
/** Check if a list needs length */
|
|
psycListFlag psyc_checkListLength (psycList *list);
|
|
|
|
/** Get the total length of a list. */
|
|
psycListFlag psyc_getListLength (psycList *list);
|
|
|
|
/** Check if a packet needs length */
|
|
psycPacketFlag psyc_checkPacketLength (psycPacket *p);
|
|
|
|
/** Calculate and set the length of packet parts and total packet length */
|
|
size_t psyc_setPacketLength (psycPacket *p);
|
|
|
|
/** Create new list */
|
|
psycList psyc_newList (psycString *elems, size_t num_elems, psycListFlag flag);
|
|
|
|
/** Create new packet */
|
|
psycPacket psyc_newPacket (psycHeader *routing,
|
|
psycHeader *entity,
|
|
psycString *method, psycString *data,
|
|
psycPacketFlag flag);
|
|
|
|
/** Create new packet */
|
|
psycPacket psyc_newPacket2 (psycModifier *routing, size_t routinglen,
|
|
psycModifier *entity, size_t entitylen,
|
|
const char *method, size_t methodlen,
|
|
const char *data, size_t datalen,
|
|
psycPacketFlag flag);
|
|
|
|
#endif // PSYC_PACKET_H
|