Adding cli argument to configure thumbnail root directory

README.rst

@@ -28,11 +28,14 @@ Launching fastresize
 
 The syntax to launch fastresize is
 
-	fastresize [root] [listen_addr] [user] [group] [num_workers]
+	fastresize [root] [thumbnail_root] [listen_addr] [user] [group] [num_workers]
 
 root
   The directory assets should be served from. Don't forget the trailing slash.
 
+thumbnail_root
+  The directory thumbnails should be saved at. Don't forget the trailing slash.
+
 listen_addr
   The socket address to listen on, for example 127.0.0.1:9000
 

fastresize-init

@@ -16,7 +16,7 @@ SERVICE_NAME=fastresize
 USER=app
 GROUP=app
 PIDFILE=/var/run/fastresize.pid
-DAEMON_OPTS="/var/www/asset/ 127.0.0.1:9000 nginx nginx 9"
+DAEMON_OPTS="/var/www/asset/ /var/www/asset/ 127.0.0.1:9000 nginx nginx 9"
 
 if [ ! -x $DAEMON ]; then
   echo "ERROR: Can't execute $DAEMON."

main.c

@@ -38,36 +38,37 @@
 
 void usage(char* argv[])
 {
-	fprintf(stderr, "Usage: %s [root] [listen_addr] [user] [group] [num_workers]\n", argv[0]);
+	fprintf(stderr, "Usage: %s [root] [thumbnail_root] [listen_addr] [user] [group] [num_workers]\n", argv[0]);
 	syslog(LOG_ERR, "Invalid command line arguments\n");
 	exit(EXIT_FAILURE);
 }
 
 int main(int argc, char* argv[], char* envp[])
 {
-	if(argc < 6)
+	if(argc < 7)
 		usage(argv);
 
 	char* root = argv[1];
-	char* listen_addr = argv[2];
-	int num_workers = atoi(argv[5]);
+	char* thumbnail_root = argv[2];
+	char* listen_addr = argv[3];
+	int num_workers = atoi(argv[6]);
 
 	if(num_workers < 1)
 		usage(argv);
 
-	struct passwd* pwd = getpwnam(argv[3]);
+	struct passwd* pwd = getpwnam(argv[4]);
 	if (pwd == NULL)
 			error_errno("getpwnam_r failed", EXIT_FAILURE);
 
-	struct group* grp = getgrnam(argv[4]);
+	struct group* grp = getgrnam(argv[5]);
 	if (grp == NULL)
 			error_errno("getgrnam_r failed", EXIT_FAILURE);
 
 	int userid = pwd->pw_uid;
 	int groupid = grp->gr_gid;
 
-	if(root[strlen(root) - 1] != '/')
-		error("Did you forget the ending slash in the root directory path?", EXIT_FAILURE);
+	if(root[strlen(root) - 1] != '/' || thumbnail_root[strlen(thumbnail_root) - 1] != '/')
+		error("Did you forget the ending slash in the (thumbnail) root directory path?", EXIT_FAILURE);
 
 	// TODO Some more error checking
 
@@ -133,7 +134,7 @@ int main(int argc, char* argv[], char* envp[])
 	}
 
 	while(FCGX_Accept_r(&request) == 0)
-		handle_request(&request, root);
+		handle_request(&request, root, thumbnail_root);
 
 	// Cleanup & exit
 	MagickWandTerminus();

request.c

@@ -28,7 +28,7 @@
 #include "request.h"
 #include "resize.h"
 
-void handle_request(FCGX_Request* request, char* root)
+void handle_request(FCGX_Request* request, char* root, char* thumbnail_root)
 {
 	char* basename = FCGX_GetParam("BASENAME", request->envp);
 	char* extension = FCGX_GetParam("EXTENSION", request->envp);
@@ -43,7 +43,7 @@ void handle_request(FCGX_Request* request, char* root)
 		mode = "default";
 
 	// Build absolute file path
-	char* req_path = calloc(strlen(root) +  strlen(req_file) + 1, sizeof(char));
+	char* req_path = calloc(strlen(thumbnail_root) +  strlen(req_file) + 1, sizeof(char));
 	sprintf(req_path, "%s%s", root, req_file);
 
 	// Check if the requested file exists already

request.h

@@ -30,4 +30,4 @@ static inline void http_error(FCGX_Request* request, int num) {
 #define http_error_c(num) { http_error(request, num); return; }
 #define http_sendfile(file) { FCGX_FPrintF(request->out, "X-Accel-Redirect: /asset-send/%s\r\n\r\n", file); }
 
-void handle_request(FCGX_Request* request, char* root);
+void handle_request(FCGX_Request* request, char* root, char* thumbnail_root);