version 1.1.2.1, 2011/08/29 14:58:50
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version 1.12, 2012/08/01 00:37:08
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 46 SUCH DAMAGE.
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Line 46 SUCH DAMAGE.
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#include "global.h" |
#include "global.h" |
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static int |
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vars2buffer(u_char * __restrict buf, int buflen, int be, array_t * __restrict vars) |
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{ |
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int Limit = 0; |
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register int i; |
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ait_val_t *v, *val; |
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u_char *dat; |
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assert(buf); |
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assert(vars); |
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if (!buf || !vars) |
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return -1; |
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if (!buflen || !io_arraySize(vars)) |
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return 0; |
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be = !!be; |
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Limit = sizeof(ait_val_t) * io_arraySize(vars); |
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if (Limit > buflen) { |
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io_SetErr(EMSGSIZE, "Short buffer buflen=%d needed min %d", |
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buflen, Limit); |
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return -1; |
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} else { |
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memset(buf, 0, buflen); |
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v = (ait_val_t*) buf; |
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dat = buf + Limit; |
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} |
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/* marshaling */ |
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for (i = 0; i < io_arraySize(vars); i++) { |
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val = io_array(vars, i, ait_val_t*); |
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v[i].val_type = val->val_type; |
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AIT_IN(&v[i]) = 1; |
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AIT_BE(&v[i]) = be; |
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AIT_LE(&v[i]) = !be; |
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if (AIT_BE(&v[i])) { |
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AIT_KEY(&v[i]) = htobe16(AIT_KEY(val)); |
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AIT_LEN(&v[i]) = htobe32(AIT_LEN(val)); |
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} |
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if (AIT_LE(&v[i])) { |
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AIT_KEY(&v[i]) = htole16(AIT_KEY(val)); |
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AIT_LEN(&v[i]) = htole32(AIT_LEN(val)); |
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} |
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switch (AIT_TYPE(val)) { |
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case blob: |
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case f32: |
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case f64: |
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case i8: |
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case i16: |
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case i32: |
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case i64: |
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case u8: |
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case u16: |
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case u32: |
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case u64: |
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if (AIT_BE(&v[i])) |
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v[i].val.net = htobe64(val->val.net); |
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if (AIT_LE(&v[i])) |
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v[i].val.net = htole64(val->val.net); |
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break; |
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case data: |
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if (AIT_LEN(val) > buflen - Limit) { |
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io_SetErr(EMSGSIZE, "Short buffer buflen=%d " |
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"needed min %d", buflen, Limit + AIT_LEN(val)); |
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return -1; |
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} else |
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Limit += AIT_LEN(val); |
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memcpy(dat, val->val_data, AIT_LEN(val)); |
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/* Debug:: data offset in packet, not matter for anything! */ |
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v[i].val.net = dat - buf; |
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dat += AIT_LEN(val); |
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break; |
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case buffer: |
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case string: |
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if (AIT_LEN(val) > buflen - Limit) { |
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io_SetErr(EMSGSIZE, "Short buffer buflen=%d " |
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"needed min %d", buflen, Limit + AIT_LEN(val)); |
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return -1; |
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} else |
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Limit += AIT_LEN(val); |
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memcpy(dat, val->val.buffer, AIT_LEN(val)); |
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/* Debug:: data offset in packet, not matter for anything! */ |
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v[i].val.net = dat - buf; |
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dat += AIT_LEN(val); |
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break; |
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default: |
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io_SetErr(EINVAL, "Unsupported variable type=%d at element #%d", |
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AIT_TYPE(val), i); |
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return -1; |
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} |
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} |
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return Limit; |
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} |
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static array_t * |
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buffer2vars(u_char * __restrict buf, int buflen, int vnum, int zcpy) |
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{ |
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array_t *vars; |
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int Limit = 0; |
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register int i; |
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ait_val_t *v, *val; |
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u_char *dat; |
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assert(buf); |
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if (!buf || !buflen || !vnum) |
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return NULL; |
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Limit = sizeof(ait_val_t) * vnum; |
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if (Limit > buflen) { |
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io_SetErr(EMSGSIZE, "Short buffer buflen=%d needed min %d", |
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buflen, Limit); |
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return NULL; |
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} else { |
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if (!(vars = io_arrayInit(vnum))) |
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return NULL; |
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v = (ait_val_t*) buf; |
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dat = buf + Limit; |
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} |
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/* de-marshaling */ |
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for (i = 0; i < io_arraySize(vars); i++) { |
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if (!zcpy) { |
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val = io_malloc(sizeof(ait_val_t)); |
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if (!val) { |
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LOGERR; |
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io_arrayFree(vars); |
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io_arrayDestroy(&vars); |
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return NULL; |
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} |
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AIT_IN(val) = 0; |
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} else { |
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val = v + i; |
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AIT_IN(val) = 1; |
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} |
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io_arraySet(vars, i, val); |
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val->val_type = v[i].val_type; |
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AIT_BE(val) = AIT_BE(&v[i]); |
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AIT_LE(val) = AIT_LE(&v[i]); |
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if (AIT_BE(val)) { |
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AIT_LEN(val) = be32toh(AIT_LEN(&v[i])); |
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AIT_KEY(val) = be16toh(AIT_KEY(&v[i])); |
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} |
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if (AIT_LE(val)) { |
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AIT_LEN(val) = le32toh(AIT_LEN(&v[i])); |
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AIT_KEY(val) = le16toh(AIT_KEY(&v[i])); |
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} |
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switch (AIT_TYPE(val)) { |
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case blob: |
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case f32: |
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case f64: |
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case i8: |
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case i16: |
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case i32: |
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case i64: |
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case u8: |
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case u16: |
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case u32: |
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case u64: |
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if (AIT_BE(val)) |
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val->val.net = be64toh(v[i].val.net); |
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if (AIT_LE(val)) |
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val->val.net = le64toh(v[i].val.net); |
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break; |
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case data: |
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/* WARNING:: remap data type to buffer */ |
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val->val_type = buffer; |
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case buffer: |
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case string: |
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if (AIT_LEN(val) > buflen - Limit) { |
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io_SetErr(EMSGSIZE, "Short buffer buflen=%d " |
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"needed min %d", buflen, Limit + AIT_LEN(val)); |
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if (!zcpy) |
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io_arrayFree(vars); |
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io_arrayDestroy(&vars); |
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return NULL; |
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} else |
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Limit += AIT_LEN(val); |
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if (!zcpy) { |
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val->val.buffer = io_malloc(AIT_LEN(val)); |
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if (!val->val.buffer) { |
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LOGERR; |
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io_arrayFree(vars); |
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io_arrayDestroy(&vars); |
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return NULL; |
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} else |
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memcpy(val->val.buffer, dat, AIT_LEN(val)); |
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} else |
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val->val.buffer = dat; |
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dat += AIT_LEN(val); |
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break; |
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default: |
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io_SetErr(EINVAL, "Unsupported variable type=%d at element #%d", |
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AIT_TYPE(val), i); |
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if (!zcpy) |
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io_arrayFree(vars); |
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io_arrayDestroy(&vars); |
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return NULL; |
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} |
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} |
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return vars; |
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} |
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/* buffer marshaling with swapping bytes to network order */ |
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/* |
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* io_vars2buffer() - Marshaling data from array with variables to buffer |
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* |
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* @buf = Buffer |
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* @buflen = Size of buffer |
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* @vars = Variable array |
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* return: -1 error, 0 nothing done or >0 size of marshaled data |
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*/ |
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inline int |
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io_vars2buffer(u_char * __restrict buf, int buflen, array_t * __restrict vars) |
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{ |
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return vars2buffer(buf, buflen, 42, vars); |
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} |
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/* |
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* io_buffer2vars() - De-marshaling data from buffer to array with variables |
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* |
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* @buf = Buffer |
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* @buflen = Size of buffer |
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* @vnum = Number of variables into buffer |
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* @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and |
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*DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy() |
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* return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy() |
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*/ |
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inline array_t * |
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io_buffer2vars(u_char * __restrict buf, int buflen, int vnum, int zcpy) |
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{ |
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return buffer2vars(buf, buflen, vnum, zcpy); |
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} |
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/* buffer marshaling without swapping bytes to network order */ |
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/* |
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* io_vars2map() - Marshaling data from array with variables to memory map |
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* |
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* @buf = Buffer |
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* @buflen = Size of buffer |
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* @vars = Variable array |
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* return: -1 error, 0 nothing done or >0 size of marshaled data |
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*/ |
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inline int |
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io_vars2map(u_char *buf, int buflen, array_t *vars) |
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{ |
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return vars2buffer(buf, buflen, 0, vars); |
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} |
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/* |
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* io_map2vars() - De-marshaling data from memory map to array with variables |
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* |
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* @buf = Buffer |
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* @buflen = Size of buffer |
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* @vnum = Number of variables into buffer |
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* @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and |
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*DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy() |
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* return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy() |
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*/ |
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inline array_t * |
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io_map2vars(u_char *buf, int buflen, int vnum, int zcpy) |
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{ |
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return buffer2vars(buf, buflen, vnum, zcpy); |
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} |
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/* |
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* io_allocVars() - Allocate ait_val_t array |
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* |
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* @varnum = Number of variables |
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* return: =NULL error or !=NULL allocated array |
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*/ |
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inline array_t * |
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io_allocVars(int varnum) |
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{ |
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array_t *arr; |
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register int i; |
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ait_val_t *v; |
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if (!(arr = io_arrayInit(varnum))) |
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return NULL; |
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for (i = 0; i < io_arraySize(arr); i++) { |
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if (!(v = io_allocVar())) { |
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io_freeVars(&arr); |
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return NULL; |
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} else |
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io_arraySet(arr, i, v); |
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} |
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return arr; |
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} |
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/* |
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* io_getVars() - Get ait_val_t element from array and if not exists allocate it |
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* |
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* @vars = Variable array |
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* @n = index of variable into array |
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* return: NULL error or !=NULL ait_val_t element |
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*/ |
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inline ait_val_t * |
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io_getVars(array_t ** __restrict vars, int n) |
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{ |
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register int i; |
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ait_val_t *v; |
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if (!vars) |
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return NULL; |
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if (!*vars) { |
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if (!(*vars = io_allocVars(n + 1))) |
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return NULL; |
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} else { |
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if (n >= (i = io_arraySize(*vars))) { |
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if (io_arrayGrow(*vars, n + 1, 0)) |
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return NULL; |
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for (; i < io_arraySize(*vars); i++) |
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if (!io_arrayGet(*vars, i)) { |
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if (!(v = io_allocVar())) |
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return NULL; |
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else |
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io_arraySet(*vars, n, v); |
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} |
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} |
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} |
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return io_array(*vars, n, ait_val_t*); |
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} |
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/* |
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* io_clrVars() - Clear ait_val_t elements from array |
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* |
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* @vars = Variable array |
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* return: -1 error or size of array |
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*/ |
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inline int |
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io_clrVars(array_t * __restrict vars) |
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{ |
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register int i; |
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ait_val_t *v; |
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if (!vars) |
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return -1; |
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for (i = 0; i < io_arraySize(vars); i++) |
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if ((v = io_array(vars, i, ait_val_t*))) |
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AIT_FREE_VAL(v); |
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return io_arraySize(vars); |
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} |
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/* |
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* io_freeVars() - Free ait_val_t array |
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* |
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* @vars = Variable array |
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* return: none |
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*/ |
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inline void |
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io_freeVars(array_t ** __restrict vars) |
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{ |
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if (!vars || !*vars) |
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return; |
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io_clrVars(*vars); |
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io_arrayFree(*vars); |
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io_arrayDestroy(vars); |
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} |
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/* |
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* io_allocVar() - Allocate memory for variable |
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* |
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* return: NULL error or new variable, after use free variable with io_freeVar() |
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*/ |
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inline ait_val_t * |
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io_allocVar(void) |
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{ |
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ait_val_t *v = NULL; |
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v = io_malloc(sizeof(ait_val_t)); |
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if (!v) { |
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LOGERR; |
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return NULL; |
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} else |
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memset(v, 0, sizeof(ait_val_t)); |
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v->val_type = empty; |
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return v; |
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} |
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/* |
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* io_freeVar() - Free allocated memory for variable |
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* |
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* @val = Variable |
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* return: none |
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*/ |
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inline void |
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io_freeVar(ait_val_t ** __restrict val) |
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{ |
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if (val && *val) { |
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AIT_FREE_VAL(*val); |
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io_free(*val); |
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*val = NULL; |
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} |
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} |
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/* |
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* io_makeVar() - Allocate memory and fill variable |
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* |
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* @type = type of variable |
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* @... = arg1 is value of variable |
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* @... = arg2 is length of variabla. Not required for numbers and strings! |
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* return: NULL error or new variable, after use free variable with io_freeVar() |
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*/ |
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ait_val_t * |
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io_makeVar(ait_type_t type, ...) |
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{ |
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ait_val_t *v = NULL; |
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va_list lst; |
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void *p = NULL; |
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uint32_t len = 0; |
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uint64_t n = 0LL; |
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v = io_allocVar(); |
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if (!v) |
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return NULL; |
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va_start(lst, type); |
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switch (type) { |
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case empty: |
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v->val_type = (uint8_t) empty; |
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break; |
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case ptr: |
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p = va_arg(lst, void*); |
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len = va_arg(lst, uint32_t); |
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AIT_SET_PTR(v, p, len); |
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break; |
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case data: |
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p = va_arg(lst, void*); |
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len = va_arg(lst, uint32_t); |
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AIT_SET_DATA(v, p, len); |
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break; |
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case buffer: |
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p = va_arg(lst, void*); |
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len = va_arg(lst, uint32_t); |
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AIT_SET_BUF(v, p, len); |
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break; |
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case string: |
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p = va_arg(lst, char*); |
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AIT_SET_STR(v, (char*) p); |
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break; |
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case blob: |
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n = va_arg(lst, uint32_t); |
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len = va_arg(lst, uint32_t); |
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AIT_SET_BLOB(v, n, len); |
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break; |
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case f32: |
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AIT_SET_F32(v, (float) va_arg(lst, double)); |
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break; |
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case f64: |
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AIT_SET_F64(v, va_arg(lst, double)); |
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break; |
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case u8: |
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AIT_SET_U8(v, (uint8_t) va_arg(lst, int)); |
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break; |
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case u16: |
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AIT_SET_U16(v, (uint16_t) va_arg(lst, int)); |
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break; |
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case u32: |
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AIT_SET_U32(v, va_arg(lst, uint32_t)); |
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break; |
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case u64: |
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AIT_SET_U64(v, va_arg(lst, uint64_t)); |
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break; |
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case i8: |
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AIT_SET_I8(v, (int8_t) va_arg(lst, int)); |
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break; |
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case i16: |
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AIT_SET_I16(v, (int16_t) va_arg(lst, int)); |
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break; |
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case i32: |
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AIT_SET_I32(v, va_arg(lst, int32_t)); |
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break; |
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case i64: |
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AIT_SET_I64(v, va_arg(lst, int64_t)); |
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break; |
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} |
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va_end(lst); |
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return v; |
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} |
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static int |
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_cmp_arr_key_asc(const void *a, const void *b) |
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{ |
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return AIT_KEY(*(ait_val_t**) a) - AIT_KEY(*(ait_val_t**) b); |
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} |
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static int |
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_cmp_arr_key_desc(const void *a, const void *b) |
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{ |
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return AIT_KEY(*(ait_val_t**) b) - AIT_KEY(*(ait_val_t**) a); |
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} |
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static int |
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_cmp_arr_val_asc(const void *a, const void *b) |
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{ |
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return AIT_RAW(*(ait_val_t**) a) - AIT_RAW(*(ait_val_t**) b); |
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} |
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|
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static int |
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_cmp_arr_val_desc(const void *a, const void *b) |
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{ |
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return AIT_RAW(*(ait_val_t**) b) - AIT_RAW(*(ait_val_t**) a); |
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} |
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|
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/* |
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* io_sortVarsByVal() - Sorting array with variables by value |
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* |
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* @vars = Variable array |
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* @order = Sort order. If =0 ascend or !=0 descend |
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* @cmp = Custom compare function for sorting. If =NULL compare by value |
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* return: none |
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*/ |
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inline void |
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io_sortVarsByVal(array_t * __restrict vars, int order, int (*cmp)(const void*, const void*)) |
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{ |
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if (!vars) |
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return; |
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|
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if (cmp) |
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qsort(vars->arr_data, vars->arr_num, sizeof(void*), cmp); |
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else if (order) |
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qsort(vars->arr_data, vars->arr_num, sizeof(void*), _cmp_arr_val_desc); |
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else |
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qsort(vars->arr_data, vars->arr_num, sizeof(void*), _cmp_arr_val_asc); |
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} |
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|
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/* |
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* io_sortVarsByKey() - Sorting array with variables by key |
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* |
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* @vars = Variable array |
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* @order = Sort order. If =0 ascend or !=0 descend |
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* return: none |
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*/ |
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inline void |
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io_sortVarsByKey(array_t * __restrict vars, int order) |
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{ |
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if (!vars) |
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return; |
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|
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if (order) |
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qsort(vars->arr_data, vars->arr_num, sizeof(void*), _cmp_arr_key_desc); |
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else |
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qsort(vars->arr_data, vars->arr_num, sizeof(void*), _cmp_arr_key_asc); |
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} |
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|
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/* |
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* io_findKeyVars() - Find variable by key from array |
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* |
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* @vars = Variables |
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* @key = Search key |
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* return: NULL error or not found, !=NULL valid element |
|
*/ |
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ait_val_t * |
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io_findKeyVars(array_t * __restrict vars, u_short key) |
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{ |
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array_t *tmp; |
|
ait_val_t **vv, *v = NULL; |
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register int i; |
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const u_char *p; |
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|
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if (!vars) |
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return NULL; |
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|
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if (io_arrayCopy(&tmp, vars) == -1) |
|
return NULL; |
|
else |
|
qsort(tmp->arr_data, tmp->arr_num, sizeof(void*), _cmp_arr_key_asc); |
|
|
|
/* binary search */ |
|
for (p = (const u_char*) tmp->arr_data, i = io_arraySize(tmp); i; i >>= 1) { |
|
vv = (ait_val_t**) (p + (i >> 1) * sizeof(void*)); |
|
if (!(key - AIT_KEY(*vv))) { /* found! */ |
|
v = *vv; |
|
break; |
|
} |
|
if ((key - AIT_KEY(*vv)) > 0) { /* move right key > current */ |
|
p = (const u_char*) vv + sizeof(void*); |
|
i--; |
|
} /* else move left */ |
|
} |
|
|
|
io_arrayDestroy(&tmp); |
|
return v; |
|
} |