WIP

slsDetectorServers/slsDetectorServer/src/communication_virtual.c

@@ -0,0 +1,107 @@
+#ifdef VIRTUAL
+#include "communication_virtual.h" 
+#include "clogger.h"
+
+#include <string.h>
+
+#define FILE_STATUS "/tmp/sls_virtual_server_status_"
+#define FILE_STOP "/tmp/sls_virtual_server_stop_"
+#define FD_STATUS 0
+#define FD_STOP 1
+#define FILE_NAME_LENGTH 1000
+
+FILE* fd[2] = {NULL, NULL};
+char fnameStatus[FILE_NAME_LENGTH];
+char fnameStop[FILE_NAME_LENGTH];
+int portNumber = 0;
+
+int ComVirtual_createFiles(const int port) {
+	portNumber = port;
+    // control server writign status file
+	memset(fnameStatus, 0, FILE_NAME_LENGTH);
+	sprintf(fnameStatus, "%s%d", FILE_STATUS, port);
+    FILE* fd = NULL;
+    if (NULL == (fd = fopen(fnameStatus, "w"))) {
+        LOG(logERROR, ("Could not open the file %s for virtual communication\n", 
+		fnameStatus));
+        return 0;
+    }
+	fclose(fd);
+	LOG(logINFOBLUE, ("Created status file %s\n", fnameStatus));
+
+	// stop server writing stop file
+    memset(fnameStop, 0, FILE_NAME_LENGTH);
+	sprintf(fnameStop, "%s%d", FILE_STOP, port);
+    if (NULL == (fd = fopen(fnameStop, "w"))) {
+        LOG(logERROR, ("Could not open the file %s for virtual communication\n", 
+		fnameStop));
+        return 0;
+    }
+	fclose(fd);
+	LOG(logINFOBLUE, ("Created stop file %s\n", fnameStop));
+
+	return 1;
+}
+
+void ComVirtual_setFileNames(const int port) {
+	portNumber = port;
+    memset(fnameStatus, 0, FILE_NAME_LENGTH);
+    memset(fnameStop, 0, FILE_NAME_LENGTH);
+	sprintf(fnameStatus, "%s%d", FILE_STATUS, port);
+	sprintf(fnameStatus, "%s%d", FILE_STOP, port);
+}
+
+int ComVirtual_writeStatus(int value) {
+	return ComVirtual_writeToFile(value, FILE_STATUS, "Control");
+}
+
+int ComVirtual_readStatus(int* value) {
+	return ComVirtual_readFromFile(value, FILE_STATUS, "Control");
+}
+
+int ComVirtual_writeStop(int value) {
+	return ComVirtual_writeToFile(value, FILE_STOP, "Stop");
+}
+
+int ComVirtual_readStop(int* value) {
+	return ComVirtual_readFromFile(value, FILE_STOP, "Stop");
+}
+
+int ComVirtual_writeToFile(int value, const char* fname, const char* serverName) {
+    FILE* fd = NULL;
+    if (NULL == (fd = fopen(fname, "w"))) {
+        LOG(logERROR, ("Vritual %s Server [%d] could not open "
+		"the file %s for writing\n", 
+        serverName, portNumber, fname));
+        return 0;
+    }
+    while (fwrite(&value, sizeof(value), 1, fd) < 1) {
+        LOG(logERROR, ("Vritual %s Server [%d] could not write "
+		"to file %s\n", 
+        serverName, portNumber, fname));
+        return 0;
+    }
+    fclose(fd);
+	return 1;
+}
+
+int ComVirtual_readFromFile(int* value, const char* fname, const char* serverName) {
+    FILE* fd = NULL;
+    if (NULL == (fd = fopen(fname, "r"))) {
+        LOG(logERROR, ("Vritual %s Server [%d] could not open "
+		"the file %s for reading\n", 
+        serverName, portNumber, fname));
+        return 0;
+    }
+    while (fread(value, sizeof(int), 1, fd) < 1) {
+        LOG(logERROR, ("Vritual %s Server [%d] could not read "
+		"from file %s\n", 
+        serverName, portNumber, fname));
+        return 0;
+    }
+    fclose(fd);
+	return 1;
+}
+
+
+#endif