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/*
* SKK server support
*
* by A.ITO 3 Jul, 1992
*/
#include "config.h"
#include <stdio.h>
#include <sys/types.h>
#include "skklib.h"
#ifdef USE_SERVER
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define SKK_PORT_NUMBER 1178
#define SKK_SERVICENAME "skkserv"
#ifdef BCOPY
#define bincopy(a,b,n) bcopy(a,b,n)
#define fillzero(a,n) bzero(a,n)
#else
#define bincopy(a,b,n) memcpy(b,a,n)
#define fillzero(a,n) memset(a,0,n)
#endif
int skkservsock = -1;
FILE *rserv,*wserv;
char *SKKServerHost = NULL;
char *getenv();
openSKKserv()
{
int sock;
int i;
unsigned short port;
struct sockaddr_in hostaddr;
struct hostent *entry;
struct servent *serv;
struct protoent *proto;
int a1,a2,a3,a4;
char *hostname;
serv = getservbyname(SKK_SERVICENAME,"tcp");
fillzero((char*)&hostaddr,sizeof(struct sockaddr_in));
if ((proto = getprotobyname("tcp")) == NULL) {
return -1;
}
if ((sock = socket(AF_INET,SOCK_STREAM,proto->p_proto)) < 0) {
return -1;
}
if (SKKServerHost)
hostname = SKKServerHost;
else if ((hostname = getenv("SKKSERVER")) == NULL) {
#ifdef SKK_SERVER_HOST
hostname = SKK_SERVER_HOST;
#else
return -1;
#endif
}
if ('0' <= *hostname && *hostname <= '9') {
if (sscanf(hostname,"%d.%d.%d.%d",&a1,&a2,&a3,&a4) != 4) {
return -1;
}
a1 = (a1<<24)|(a2<<16)|(a3<<8)|a4;
hostaddr.sin_addr.s_addr = htonl(a1);
}
else {
if ((entry = gethostbyname(hostname)) == NULL) {
return -1;
}
bincopy(entry->h_addr, &hostaddr.sin_addr, entry->h_length);
}
hostaddr.sin_family = AF_INET;
hostaddr.sin_port = serv ? serv->s_port : htons(SKK_PORT_NUMBER);
if (connect(sock,(struct sockaddr *)&hostaddr,sizeof(struct sockaddr_in)) < 0) {
return -1;
}
printf("SKKSERVER=%s\r\n",hostname);
skkservsock = sock;
rserv = fdopen(sock,"r");
wserv = fdopen(sock,"w");
return 0;
}
CandList
getCandFromServer(s)
char *s;
{
char r;
CandList res;
fprintf(wserv,"1%s \n",s);
fflush(wserv);
read(skkservsock,&r,1);
if (r == '1') { /* succeeded */
res = getCandList(rserv,NULL,isConjugate(s,strlen(s)));
return res;
}
else
while (read(skkservsock,&r,1) > 0 && r != '\n');
return NULL;
}
closeSKKserv()
{
if (skkservsock >= 0) {
fprintf(wserv,"0\n");
fflush(wserv);
}
}
#endif
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