/**
* Main starting entry point of the SNet program
*/
int SNetInRun(int argc, char **argv,
char *static_labels[], int number_of_labels,
char *static_interfaces[], int number_of_interfaces,
snet_startup_fun_t fun)
{
FILE *input = stdin;
FILE *output = stdout;
snet_stream_t *input_stream = NULL;
snet_stream_t *output_stream = NULL;
int i = 0;
snet_info_t *info = NULL;
snet_locvec_t *locvec;
snetin_label_t *labels = NULL;
snetin_interface_t *interfaces = NULL;
char *brk;
char addr[256];
int len;
int port;
/* Parse argv: */
for(i = 1; i < argc; i++) {
if(strcmp(argv[i], "-h") == 0) {
/* Help */
SNetRuntimeHelpText();
if(input != stdin && input != NULL) {
SNetInClose(input);
}
if(output != stdout && output != NULL) {
SNetInClose(output);
}
return 0;
} else if(strcmp(argv[i], "-i") == 0 && input == stdin && i + 1 <= argc) {
/* Input from file */
i = i + 1;
input = SNetInOpenFile(argv[i], "r");
} else if(strcmp(argv[i], "-I") == 0 && input == stdin && i + 1 <= argc) {
/* Input from socket */
i = i + 1;
input = SNetInOpenInputSocket(atoi(argv[i]));
} else if(strcmp(argv[i], "-o") == 0 && output == stdout && i + 1 <= argc) {
/* Output to file */
i = i + 1;
output = SNetInOpenFile(argv[i], "w");
} else if(strcmp(argv[i], "-O") == 0 && output == stdout && i + 1 <= argc) {
/* Output to socket */
i = i + 1;
brk = strchr(argv[i], ':');
if(brk == NULL) {
output = NULL;
SNetUtilDebugFatal("Could not parse URL!\n");
}
len = brk - argv[i];
strncpy((char *)addr, (const char *)argv[i], len);
addr[len] = '\0';
port = atoi(brk + 1);
output = SNetInOpenOutputSocket(addr, port);
}
}
if(input == NULL) {
if(output != stdout && output != NULL) {
SNetInClose(output);
}
SNetUtilDebugFatal("");
}
if(output == NULL) {
if(input != stdin && input != NULL) {
SNetInClose(input);
}
SNetUtilDebugFatal("");
}
/* Actual SNet network interface main: */
/* check for number of interfaces */
if (0 == number_of_interfaces) {
SNetUtilDebugNotice("No language interfaces were specified by the source program!");
exit(1);
}
labels = SNetInLabelInit(static_labels, number_of_labels);
interfaces = SNetInInterfaceInit(static_interfaces, number_of_interfaces);
info = SNetInfoInit();
SNetDistribInit(argc, argv, info);
(void) SNetThreadingInit(argc, argv);
//SNetObserverInit(labels, interfaces);
locvec = SNetLocvecCreate();
SNetLocvecSet(info, locvec);
SNetDistribStart();
if (SNetDistribIsRootNode()) {
input_stream = SNetStreamCreate(0);
output_stream = fun(input_stream, info, 0);
output_stream = SNetRouteUpdate(info, output_stream, 0);
/* create output thread */
SNetInOutputInit(output, labels, interfaces, output_stream);
/* create input thread */
SNetInInputInit(input, labels, interfaces, input_stream);
SNetRuntimeStartWait(input_stream, info, output_stream);
/* tell the threading layer that it is ok to shutdown,
and wait until it has stopped such that it can be cleaned up */
(void) SNetThreadingStop();
}
(void) SNetThreadingCleanup();
SNetInfoDestroy(info);
SNetLocvecDestroy(locvec);
/* destroy observers */
//SNetObserverDestroy();
SNetInLabelDestroy(labels);
SNetInInterfaceDestroy(interfaces);
if(input != stdin) {
SNetInClose(input);
}
if(output != stdout) {
SNetInClose(output);
}
return 0;
}
/**
* Process commandline options.
*/
static int SNetInParseOptions(int argc, char **argv, FILE **input_ptr, FILE **output_ptr)
{
FILE *input = stdin;
FILE *output = stdout;
int i = 0;
char *brk;
char addr[256];
int len;
int port;
/* Parse argv: */
for(i = 1; i < argc; i++) {
if(strcmp(argv[i], "-h") == 0) {
/* Help */
SNetRuntimeHelpText();
if(input != stdin && input != NULL) {
SNetInClose(input);
}
if(output != stdout && output != NULL) {
SNetInClose(output);
}
return false;
} else if (strcmp(argv[i], "-V") == 0) {
SNetRuntimeVersion();
if (input != stdin && input != NULL) {
SNetInClose(input);
}
if (output != stdout && output != NULL) {
SNetInClose(output);
}
return false;
} else if(strcmp(argv[i], "-i") == 0 && input == stdin && i + 1 <= argc) {
/* Input from file */
i = i + 1;
input = SNetInOpenFile(argv[i], "r");
} else if(strcmp(argv[i], "-I") == 0 && input == stdin && i + 1 <= argc) {
/* Input from socket */
i = i + 1;
input = SNetInOpenInputSocket(atoi(argv[i]));
} else if(strcmp(argv[i], "-o") == 0 && output == stdout && i + 1 <= argc) {
/* Output to file */
i = i + 1;
output = SNetInOpenFile(argv[i], "w");
} else if(strcmp(argv[i], "-O") == 0 && output == stdout && i + 1 <= argc) {
/* Output to socket */
i = i + 1;
brk = strchr(argv[i], ':');
if(brk == NULL) {
output = NULL;
SNetUtilDebugFatal("Could not parse URL!\n");
}
len = brk - argv[i];
strncpy((char *)addr, (const char *)argv[i], len);
addr[len] = '\0';
port = atoi(brk + 1);
output = SNetInOpenOutputSocket(addr, port);
}
}
*input_ptr = input;
*output_ptr = output;
if(input == NULL) {
if(output != stdout && output != NULL) {
SNetInClose(output);
}
SNetUtilDebugFatal("Could not open input");
}
if(output == NULL) {
if(input != stdin && input != NULL) {
SNetInClose(input);
}
SNetUtilDebugFatal("Could not open output");
}
return true;
}
