cser.h

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/* By Sean Middleditch <elanthis@awemud.net>
   released into public domain, July 8th, 2003 */

#if !defined(C_SERIALIZE)
#define C_SERIALIZE 1

#include <stdio.h>
#include <string.h>


// Coutinho: If a c++ code use this file, tell it that these functions are in C
#ifdef __cplusplus
extern "C" {
#endif


#ifdef TO_NETWORK

#include "pvm3.h"

#define WRITE_BYTES(file, buffer, bufSize) pvm_pkbyte(buffer, bufSize, 1) // buffer: char *
#define WRITE_NUM(file, varname, var)      pvm_pkint(&var, 1, 1)          // var: int
#define WRITE_STR(file, varname, var)      cser_pkstr(var)                // var: char *
#define WRITE_FLOAT(file, varname, var)    pvm_pkfloat(&var, 1, 1)        // var: float      

#define READ_BEGIN(file)
#define READ_END
#define READ_BYTES(file, buffer, bufSize) pvm_upkbyte(buffer, bufSize, 1) // buffer: char *
#define READ_NUM(varname, var)            pvm_upkint(&var, 1, 1)          // var: int
#define READ_STR(varname, var)            (var = cser_upkstr())           // var: char *
#define READ_FLOAT(varname, var)          pvm_pkfloat(&var, 1, 1)         // var: float    

#else

#define WRITE_BYTES(file, buffer, bufSize) fwrite(buffer, bufSize, 1, file)
#define WRITE_NUM(file, varname, var) cser_write_num(file, varname, var)
#define WRITE_STR(file, varname, var) cser_write_str(file, varname, var)
#define WRITE_FLOAT(file, varname, var) fwrite(&(var), sizeof(float), 1, file)

#define READ_BEGIN(file) CSER_READ_BEGIN(file)
#define READ_END CSER_READ_END
#define READ_BYTES(file, buffer, bufSize) fread(buffer, bufSize, 1, file)
#define READ_NUM(varname, var) CSER_READ_NUM(varname, var)
#define READ_STR(varname, var) CSER_READ_STR(varname, var)
#define READ_FLOAT(varname, var) fread(&(var), sizeof(float), 1, filePtr)



#define CSER_MAX_DATA 2048

/* write values to a file */
int cser_write_str(FILE* file, const char* name, const char* value);
int cser_write_num(FILE* file, const char* name, long num);

// Original version, struct values cam be in any order but depends on variable
// name unicity to work and this restriction is very serious to me

/* read from file */
#define CSER_READ_BEGIN(file) \
        do { \
                char _cser_buffer[CSER_MAX_DATA]; \
                char* _cser_name = NULL; \
                char* _cstr_string = NULL; \
                long _cstr_number = 0; \
                FILE *filePtr = file;
#define CSER_READ_STR(name,var) \
                if ((cser_read((filePtr), _cser_buffer, sizeof(_cser_buffer), \
                        &_cser_name, &_cstr_string, &_cstr_number)) == 0) { \
                        if (!strcasecmp((name), _cser_name)) { \
                                if ((var) != NULL) free(var); \
                                var = NULL; \
                                if (_cstr_string != NULL) \
                                        (var) = strdup(_cstr_string); \
                        } else \
                        { fprintf(stderr, "cser var name error\n"); } \
                } else { fprintf(stderr, "cser_read() error\n"); } 
#define CSER_READ_NUM(name,var) \
                if ((cser_read((filePtr), _cser_buffer, sizeof(_cser_buffer), \
                        &_cser_name, &_cstr_string, &_cstr_number)) == 0) { \
                        if (!strcasecmp((name), _cser_name)) { \
                                (var) = _cstr_number; \
                        } else  \
                        { fprintf(stderr, "cser var name error\n"); } \
                } else { fprintf(stderr, "cser_read() error\n"); } 
#define CSER_READ_END \
        } while(0);

/* read one value from file */
int cser_read(FILE* file, char* buffer, size_t blen, char** name, char** str_value, long* num_value);


#endif



typedef int packData_t(void *list);
typedef void *voidp;
typedef voidp unpackData_t(void);

int sendStruct(int tid, int tag, void *Struct, packData_t *packer);
int mcastStruct(int *tids, int tidListSize, int tag, void *dataStruct, packData_t *packer);
void *recvStruct(int tid, int tag, unpackData_t *unpacker);


#ifdef __cplusplus
}
#endif

#endif

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