790 if (
l->mode[0] !=
'\0' && (strcmp(
l->mode,
"r") == 0))
796 else if (strcmp(
l->mode,
"w") == 0) mode =
"w";
797 else if (strcmp(
l->mode,
"fork") == 0) mode =
"fork";
798 else if (strcmp(
l->mode,
"tcp") == 0) mode =
"tcp";
799 else if (strcmp(
l->mode,
"connect") == 0) mode =
"connect";
809 if (
l->name[0] ==
'\0')
811 if (strcmp(mode,
"fork")==0)
824 if (pid == -1 && errno == EAGAIN)
837 sigemptyset(&sigint);
838 sigaddset(&sigint, SIGINT);
839 sigprocmask(SIG_BLOCK, &sigint,
NULL);
857 #ifdef HAVE_SIMPLEIPC
860 si_close(pc[1]); si_close(cp[0]);
899 si_close(pc[0]); si_close(cp[1]);
911 Werror(
"fork failed (%d)",errno);
918 else if (strcmp(mode,
"tcp")==0)
920 int sockfd, newsockfd, portno, clilen;
921 struct sockaddr_in serv_addr, cli_addr;
922 sockfd = socket(AF_INET, SOCK_STREAM, 0);
925 WerrorS(
"ERROR opening socket");
930 memset((
char *) &serv_addr,0,
sizeof(serv_addr));
932 serv_addr.sin_family = AF_INET;
933 serv_addr.sin_addr.s_addr = INADDR_ANY;
937 serv_addr.sin_port = htons(portno);
940 WerrorS(
"ERROR on binding (no free port available?)");
946 while(bind(sockfd, (
struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0);
949 newsockfd = si_accept(sockfd, (
struct sockaddr *) &cli_addr, (socklen_t *)&clilen);
957 PrintS(
"client accepted\n");
961 d->
f_write = fdopen(newsockfd,
"w");
968 Werror(
"invalid mode >>%s<< for ssi",mode);
978 if(strcmp(mode,
"tcp")==0)
980 int sockfd, newsockfd, portno, clilen;
981 struct sockaddr_in serv_addr, cli_addr;
982 sockfd = socket(AF_INET, SOCK_STREAM, 0);
985 WerrorS(
"ERROR opening socket");
990 memset((
char *) &serv_addr,0,
sizeof(serv_addr));
992 serv_addr.sin_family = AF_INET;
993 serv_addr.sin_addr.s_addr = INADDR_ANY;
997 serv_addr.sin_port = htons(portno);
1000 WerrorS(
"ERROR on binding (no free port available?)");
1005 while(bind(sockfd, (
struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0);
1008 char* cli_host = (
char*)
omAlloc(256);
1009 char* path = (
char*)
omAlloc(1024);
1010 int r = si_sscanf(
l->name,
"%255[^:]:%s",cli_host,path);
1013 WerrorS(
"ERROR: no host specified");
1022 WarnS(
"program not specified, using /usr/local/bin/Singular");
1024 strcpy(path,
"/usr/local/bin/Singular");
1026 char* ssh_command = (
char*)
omAlloc(256);
1027 char* ser_host = (
char*)
omAlloc(64);
1028 gethostname(ser_host,64);
1029 sprintf(ssh_command,
"ssh %s %s -q --batch --link=ssi --MPhost=%s --MPport=%d &",cli_host,path,ser_host,portno);
1037 clilen =
sizeof(cli_addr);
1038 newsockfd = si_accept(sockfd, (
struct sockaddr *) &cli_addr, (socklen_t *)&clilen);
1050 d->
f_write = fdopen(newsockfd,
"w");
1062 else if(strcmp(mode,
"connect")==0)
1064 char* host = (
char*)
omAlloc(256);
1066 struct sockaddr_in serv_addr;
1067 struct hostent *server;
1069 si_sscanf(
l->name,
"%255[^:]:%d",host,&portno);
1073 sockfd = socket(AF_INET, SOCK_STREAM, 0);
1074 if (sockfd < 0) {
WerrorS(
"ERROR opening socket");
return TRUE; }
1075 server = gethostbyname(host);
1077 memset((
char *) &serv_addr, 0,
sizeof(serv_addr));
1078 serv_addr.sin_family = AF_INET;
1079 memcpy((
char *)&serv_addr.sin_addr.s_addr,
1080 (
char *)server->h_addr,
1082 serv_addr.sin_port = htons(portno);
1083 if (si_connect(sockfd,(sockaddr*)&serv_addr,
sizeof(serv_addr)) < 0)
1084 {
Werror(
"ERROR connecting(errno=%d)",errno);
return TRUE; }
1088 d->
f_write=fdopen(sockfd,
"w");
1105 char *filename=
l->name;
1107 if(filename[0]==
'>')
1109 if (filename[1]==
'>')
1120 outfile=
myfopen(filename,mode);
1123 if (strcmp(
l->mode,
"r")==0)
Class used for (list of) interpreter objects.
BOOLEAN singular_in_batchmode
FILE * myfopen(const char *path, const char *mode)
char *(* fe_fgets_stdin)(const char *pr, char *s, int size)
char * fe_fgets_dummy(const char *, char *, int)
#define omFreeBin(addr, bin)
void PrintS(const char *s)
s_buff s_open_by_name(const char *n)
int sem_acquired[SIPC_MAX_SEMAPHORES]
#define SI_LINK_SET_OPEN_P(l, flag)
#define SI_LINK_OPEN_P(l)
#define SIPC_MAX_SEMAPHORES