mirror of
git://git.psyc.eu/libpsyc
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105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
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#include <psyc/lib.h>
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#include <psyc/syntax.h>
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#include <math.h>
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inline PSYC_String PSYC_newString (const char *str, size_t strlen)
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{
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PSYC_String s = {strlen, str};
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return s;
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}
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inline PSYC_Modifier PSYC_newModifier(char oper, PSYC_String *name, PSYC_String *value,
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PSYC_ModifierFlag flag)
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{
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PSYC_Modifier m = {oper, *name, *value, flag};
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if (flag == PSYC_MODIFIER_CHECK_LENGTH) // find out if it needs a length
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{
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if (value->length > PSYC_MODIFIER_SIZE_THRESHOLD)
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m.flag = PSYC_PACKET_NEED_LENGTH;
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else if (memchr(value->ptr, (int)'\n', value->length))
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m.flag = PSYC_PACKET_NEED_LENGTH;
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else
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m.flag = PSYC_PACKET_NO_LENGTH;
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}
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return m;
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}
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inline PSYC_Modifier PSYC_newModifier2(char oper,
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const char *name, size_t namelen,
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const char *value, size_t valuelen,
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PSYC_ModifierFlag flag)
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{
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PSYC_String n = {namelen, name};
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PSYC_String v = {valuelen, value};
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return PSYC_newModifier(oper, &n, &v, flag);
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}
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inline size_t PSYC_getModifierLength(PSYC_Modifier *m)
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{
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size_t length =
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m->name.length + 1 + // name\t
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m->value.length + 1; // value\n
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if (m->flag == PSYC_MODIFIER_NEED_LENGTH) // add length of length if needed
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length += log10((double)m->value.length) + 2; // SP length
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return length;
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}
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inline PSYC_Packet PSYC_newPacket(PSYC_ModifierArray *routing,
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PSYC_ModifierArray *entity,
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PSYC_String *method, PSYC_String *data,
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PSYC_PacketFlag flag)
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{
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PSYC_Packet p = {*routing, *entity, *method, *data, 0, 0, flag};
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size_t i;
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if (flag == PSYC_PACKET_CHECK_LENGTH) // find out if it needs a length
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{
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if (data->length == 1 && data->ptr[0] == C_GLYPH_PACKET_DELIMITER)
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p.flag = PSYC_PACKET_NEED_LENGTH;
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else if (data->length > PSYC_CONTENT_SIZE_THRESHOLD)
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p.flag = PSYC_PACKET_NEED_LENGTH;
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else if (memmem(data->ptr, data->length, PSYC_C2ARG(PSYC_PACKET_DELIMITER)))
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p.flag = PSYC_PACKET_NEED_LENGTH;
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else
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p.flag = PSYC_PACKET_NO_LENGTH;
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}
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// calculate routing header length
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for (i = 0; i < routing->length; i++)
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p.routingLength += PSYC_getModifierLength(&routing->ptr[i]);
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// calculate entity header length
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for (i = 0; i < entity->length; i++)
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p.contentLength += PSYC_getModifierLength(&routing->ptr[i]);
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// add length of method, data & delimiter
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p.contentLength += method->length + 1 + data->length; // method \n data
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// set total length: routing-header \n content \n|\n
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p.length = p.routingLength + 1 + p.contentLength + sizeof(PSYC_PACKET_DELIMITER) - 1;
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if (flag == PSYC_PACKET_NEED_LENGTH) // add length of length if needed
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p.length += log10((double)data->length) + 1;
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return p;
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}
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inline PSYC_Packet PSYC_newPacket2(PSYC_Modifier **routing, size_t routinglen,
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PSYC_Modifier **entity, size_t entitylen,
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const char *method, size_t methodlen,
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const char *data, size_t datalen,
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PSYC_PacketFlag flag)
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{
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PSYC_ModifierArray r = {routinglen, *routing};
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PSYC_ModifierArray e = {entitylen, *entity};
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PSYC_String m = {methodlen, method};
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PSYC_String d = {datalen, data};
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return PSYC_newPacket(&r, &e, &m, &d, flag);
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}
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