ngcbSocket.h

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#ifndef ngcbSocket_h
#define ngcbSocket_h
 
 
 
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C" {
#endif

#ifndef str2str
static __inline__ char *__str2str(char *s1, const char *s2, size_t n) 
{
  size_t size = strlen(s2);
  if (n > size) n = size;
  memcpy(s1, s2, n);
  s1[n] = '\0'; 
  return (s1);
}
#define str2str(s1, s2, n) __str2str(s1, s2, n)
#endif

#define ngcbTAG_SUCCESS "!SUCCESS!\n"

#define ngcbTAG_ERROR "!ERROR!\n"

typedef struct {
  int fd[3];          
  FILE *pipeIn;       
  FILE *pipeOut;      
  FILE *pipeErr;      
  int pid;            
  int stat;           
} ngcb_pipe_t;

typedef struct {
  char hostName[64];  
  char ipAddr[32];    
} ngcb_saddr_cache;

#define ngcbADDR_CACHE_SIZE 8
 
/*
 * Prototypes
 */

void ngcbRegisterLock(void (*lock)(void), void (*unlock)(void));

void ngcbLock(void);

void ngcbUnlock(void);

void ngcbIpAddrCache(int flag);

int ngcbGetHost(const char *name, char *ipAddr, char *hostName, char *erms);

int ngcbGetHostName(char *name, int size);

int ngcbGetIpAddr(const char *name, char *ipAddr, char *erms);

int ngcbSocketPort(int fd);

void ngcbSocketHost(int fd, char *ipAddr);

int ngcbSocketWait(int fd, int timeout, char *erms);

int ngcbSocketWaitIntr(int fd1, int fd2, int timeout, char *erms);

int ngcbSocketPair(int fd[2], int bufferSize, char *erms);

int ngcbHostCompare(const char *host1, const char *host2);

int ngcbTcpService(const char *service, char *erms);

int ngcbTcpAccept(int fd, char *erms);

int ngcbTcpConnect(const char *service, char *erms);

int ngcbTcpConnectTmo(const char *service, int tmo, char *erms);

int ngcbTcpClose(int fd);

int ngcbTcpWrite(int fd, const void *buffer, size_t size, char *erms);

int ngcbTcpRead(int fd, void *buffer, size_t size, char *erms);

void ngcbPipeInit(ngcb_pipe_t *p);

int ngcbPipeOpen(const char *cmd, ngcb_pipe_t *p, char *erms);

void ngcbPipeClose(ngcb_pipe_t *p);

void ngcbPipeError(char *erms, int n, ngcb_pipe_t *p);

int ngcbPipeIn(const char *cmd, char *msg, int n);

int ngcbAddr(int fd, int board, int addr, int *buffer, int size, char *erms);
 
 
#ifdef __cplusplus
}
#endif
 
#endif