version 1.1.2.5, 2011/09/07 01:26:08
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version 1.2.2.3, 2011/11/03 14:56:48
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Line 47 SUCH DAMAGE.
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Line 47 SUCH DAMAGE.
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/* |
/* |
* io_vals2buffer() Marshaling data from array with variables to buffer | * io_vars2buffer() Marshaling data from array with variables to buffer |
* @buf = Buffer |
* @buf = Buffer |
* @buflen = Size of buffer |
* @buflen = Size of buffer |
* @vars = Variable array |
* @vars = Variable array |
* return: -1 error, 0 nothing done or >0 size of marshaled data |
* return: -1 error, 0 nothing done or >0 size of marshaled data |
*/ |
*/ |
int |
int |
io_vals2buffer(u_char *buf, int buflen, array_t *vars) | io_vars2buffer(u_char *buf, int buflen, array_t *vars) |
{ |
{ |
int Limit = 0; |
int Limit = 0; |
register int i; |
register int i; |
Line 126 io_vals2buffer(u_char *buf, int buflen, array_t *vars)
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Line 126 io_vals2buffer(u_char *buf, int buflen, array_t *vars)
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} |
} |
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/* |
/* |
* io_buffer2vals() De-marshaling data from buffer to array with variables | * io_buffer2vars() De-marshaling data from buffer to array with variables |
* @buf = Buffer |
* @buf = Buffer |
* @buflen = Size of buffer |
* @buflen = Size of buffer |
* @vnum = Number of variables into buffer |
* @vnum = Number of variables into buffer |
Line 135 io_vals2buffer(u_char *buf, int buflen, array_t *vars)
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Line 135 io_vals2buffer(u_char *buf, int buflen, array_t *vars)
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* return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy() |
* return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy() |
*/ |
*/ |
array_t * |
array_t * |
io_buffer2vals(u_char *buf, int buflen, int vnum, int zcpy) | io_buffer2vars(u_char *buf, int buflen, int vnum, int zcpy) |
{ |
{ |
array_t *vars; |
array_t *vars; |
int Limit = 0; |
int Limit = 0; |
Line 235 io_buffer2vals(u_char *buf, int buflen, int vnum, int
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Line 235 io_buffer2vals(u_char *buf, int buflen, int vnum, int
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} |
} |
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return vars; |
return vars; |
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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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* @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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int |
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io_vars2map(u_char *buf, int buflen, array_t *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 *data; |
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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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Limit = sizeof(ait_val_t) * io_arraySize(vars); |
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if (Limit > buflen) { |
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io_SetErr(EMSGSIZE, "Error:: too short buffer buflen=%d needed min %d ...\n", |
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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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data = 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_LEN(&v[i]) = AIT_LEN(val); |
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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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v[i].val.net = val->val.net; |
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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, "Error:: too short buffer buflen=%d " |
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"needed min %d ...\n", 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(data, 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 = data - buf; |
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data += AIT_LEN(val); |
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break; |
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default: |
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io_SetErr(EINVAL, "Error:: unsupported variable type=%d at element #%d ...\n", |
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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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/* |
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* io_map2vars() De-marshaling data from memory map to array with variables |
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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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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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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 *data; |
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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, "Error:: too short buffer buflen=%d needed min %d ...\n", |
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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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data = 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 = 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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} else |
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val = v + i; |
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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_LEN(val) = AIT_LEN(&v[i]); |
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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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val->val.net = v[i].val.net; |
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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, "Error:: too short buffer buflen=%d " |
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"needed min %d ...\n", 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 = 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, data, AIT_LEN(val)); |
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} else |
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val->val.buffer = data; |
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data += AIT_LEN(val); |
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break; |
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default: |
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io_SetErr(EINVAL, "Error:: unsupported variable type=%d at element #%d ...\n", |
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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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/* |
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* io_allocVars() Allocate ait_val_t array |
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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(u_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 (!varnum || !(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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v = malloc(sizeof(ait_val_t)); |
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if (!v) { |
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LOGERR; |
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io_freeVars(&arr); |
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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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io_arraySet(arr, i, v); |
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} |
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} |
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return arr; |
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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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* @vars = Variable array |
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* return: none |
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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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for (i = 0; i < io_arraySize(vars); i++) |
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if (io_arrayGet(vars, i)) |
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AIT_FREE_VAL(io_array(vars, i, ait_val_t*)); |
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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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* @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); |
} |
} |