moved bridge setup into ctapdriver

src/raspberrypi/devices/ctapdriver.cpp

@@ -19,6 +19,8 @@
 #include "ctapdriver.h"
 #include "log.h"
 
+const char rascsi_bridge_string[] = "rascsi_bridge";
+
 //---------------------------------------------------------------------------
 //
 //	Constructor
@@ -43,6 +45,7 @@ BOOL FASTCALL CTapDriver::Init()
 	LOGTRACE("%s",__PRETTY_FUNCTION__);
 
 	char dev[IFNAMSIZ] = "ras0";
+	char cmd_output[256] = "";
 	struct ifreq ifr;
 	int ret;
 
@@ -69,6 +72,29 @@ BOOL FASTCALL CTapDriver::Init()
 	}
 	LOGTRACE("return code from ioctl was %d", ret);
 
+	LOGTRACE("Going to see if the bridge is created");
+
+	ret = run_system_cmd_with_output("brctl show | grep rascsi_bridge", cmd_output, sizeof(cmd_output));
+	if(ret != EXIT_SUCCESS){
+		LOGTRACE("Unable to run brctl show command");
+	}
+	LOGTRACE("%s brctl show returned %s", __PRETTY_FUNCTION__, cmd_output);
+
+	// Check if the bridge is already created
+	if(strncmp(rascsi_bridge_string, cmd_output, strlen(rascsi_bridge_string)) != 0){
+		LOGINFO("Creating the rascsi_bridge...");
+		LOGDEBUG("brctl addbr rascsi_bridge");
+		ret = run_system_cmd("brctl addbr rascsi_bridge");
+		LOGDEBUG("brctl addif rascsi_bridge eth0");
+		ret = run_system_cmd("brctl addif rascsi_bridge eth0");
+		LOGDEBUG("ip link set dev rascsi_bridge up");
+		ret = run_system_cmd("ip link set dev rascsi_bridge up");
+	}
+	else
+	{
+		LOGINFO("Note: rascsi_bridge already created");
+	}
+
 	LOGDEBUG("ip link set ras0 up");
 	ret = run_system_cmd("ip link set ras0 up");
 	LOGTRACE("return code from ip link set ras0 up was %d", ret);

src/raspberrypi/os.cpp

@@ -12,6 +12,7 @@
 //---------------------------------------------------------------------------
 
 #include "os.h"
+#include "log.h"
 #include <sys/wait.h>
 
 
@@ -33,3 +34,30 @@ int run_system_cmd(const char* command)
 	waitpid(pid, &status, 0);
 	return status;
 }
+
+
+//---------------------------------------------------------------------------
+//
+//	Run system command and save the output to a string
+//
+//---------------------------------------------------------------------------
+int run_system_cmd_with_output(const char* command, char* output_str, size_t max_size)
+{
+	FILE *fp;
+	char str_buff[1024];
+
+	fp = popen(command,"r");
+	if(fp == NULL)
+	{
+		LOGWARN("%s Unable to run command %s", __PRETTY_FUNCTION__, command);
+		return EXIT_FAILURE;
+	}
+
+	while((fgets(str_buff, sizeof(str_buff), fp) != NULL) && (strlen(output_str) < max_size))
+	{
+		strncat(output_str, str_buff, max_size);
+	}
+
+	pclose(fp);
+	return EXIT_SUCCESS;
+}

src/raspberrypi/os.h

@@ -158,4 +158,8 @@ typedef const char *LPCSTR;
 // Run system command and wait for it to finish
 extern int run_system_cmd(const char* command);
 
+// Run system command and wait for it to finish and keep the output
+extern int run_system_cmd_with_output(const char* command, char* output_str, size_t max_size);
+
+
 #endif	// os_h

src/raspberrypi/rascsi.cpp

@@ -925,13 +925,15 @@ bool ParseArgument(int argc, char* argv[])
 			|| has_suffix(path, ".hdi")
 			|| has_suffix(path, ".hda")
 			|| has_suffix(path, ".nhd")) {
-			type = 0;
+			type = rasctl_dev_sasi_hd;
 		} else if (has_suffix(path, ".mos")) {
-			type = 2;
+			type = rasctl_dev_mo;
 		} else if (has_suffix(path, ".iso")) {
-			type = 3;
+			type = rasctl_dev_cd;
 		} else if (xstrcasecmp(path, "bridge") == 0) {
-			type = 4;
+			type = rasctl_dev_br;
+		} else if (xstrcasecmp(path, "daynaport") == 0) {
+			type = rasctl_dev_daynaport;
 		} else {
 			// Cannot determine the file type
 			fprintf(stderr,

src/raspberrypi/setup_bridge.sh

@@ -1,7 +0,0 @@
-#!/bin/bash
-sudo brctl addbr rascsi_bridge
-sudo brctl addif rascsi_bridge eth0
-sudo ip link set dev rascsi_bridge up
-
-echo Bridge config:
-brctl show