ipc-driver-test: Allow setting dir prefix for UD socket

Change-Id: I35282b38a1d560fb3440fe0aa9a27808d9d116cc

2 files changed, 23 insertions, 10 deletions

diff --git a/Transceiver52M/device/ipc/ipc-driver-test.c b/Transceiver52M/device/ipc/ipc-driver-test.c
index da53463..d8284c7 100644
--- a/Transceiver52M/device/ipc/ipc-driver-test.c
+++ b/Transceiver52M/device/ipc/ipc-driver-test.c
@@ -49,6 +49,7 @@
 #include "ipc_sock.h"
 
 #define DEFAULT_SHM_NAME "/osmo-trx-ipc-driver-shm2"
+#define IPC_SOCK_PATH_PREFIX "/tmp"
 
 static void *tall_ctx;
 struct ipc_sock_state *global_ipc_sock_state;
@@ -63,6 +64,11 @@ void *global_dev;
 
 static struct ipc_shm_region *decoded_region;
 
+static struct {
+	int msocknum;
+	char *ud_prefix_dir;
+} cmdline_cfg;
+
 static const struct log_info_cat default_categories[] = {
 	[DMAIN] = {
 		.name = "DMAIN",
@@ -185,8 +191,8 @@ static int ipc_tx_open_cnf(int rc, uint32_t num_chans, int32_t timingoffset)
 
 	chan_info = ipc_prim->u.open_cnf.chan_info;
 	for (i = 0; i < num_chans; i++) {
-		snprintf(chan_info->chan_ipc_sk_path, sizeof(chan_info->chan_ipc_sk_path), "%s_%d",
-			 IPC_SOCK_PATH_PREFIX, i);
+		snprintf(chan_info->chan_ipc_sk_path, sizeof(chan_info->chan_ipc_sk_path),"%s/ipc_sock%d_%d",
+			 cmdline_cfg.ud_prefix_dir, cmdline_cfg.msocknum, i);
 		/* FIXME: dynamc chan limit, currently 8 */
 		if (i < 8)
 			ipc_sock_init(chan_info->chan_ipc_sk_path, &global_ctrl_socks[i], ipc_chan_sock_accept, i);
@@ -413,20 +419,20 @@ static void print_help(void)
 {
 	printf("ipc-driver-test Usage:\n"
 	       " -h  --help		This message\n"
+	       " -u  --unix-sk-dir DIR	Existing directory where to create the Master socket\n"
 	       " -n  --sock-num NR	Master socket suffix number NR\n");
 }
 
-static int msocknum = 0;
-
 static void handle_options(int argc, char **argv)
 {
 	while (1) {
 		int option_index = 0, c;
 		const struct option long_options[] = { { "help", 0, 0, 'h' },
+						       { "unix-sk-dir", 1, 0, 'u' },
 						       { "sock-num", 1, 0, 'n' },
 						       { 0, 0, 0, 0 } };
 
-		c = getopt_long(argc, argv, "hn:", long_options, &option_index);
+		c = getopt_long(argc, argv, "hu:n:", long_options, &option_index);
 		if (c == -1)
 			break;
 
@@ -435,9 +441,13 @@ static void handle_options(int argc, char **argv)
 			print_help();
 			exit(0);
 			break;
+		case 'u':
+			cmdline_cfg.ud_prefix_dir = talloc_strdup(tall_ctx, optarg);
+			break;
 		case 'n':
-			msocknum = atoi(optarg);
+			cmdline_cfg.msocknum = atoi(optarg);
 			break;
+
 		default:
 			exit(2);
 			break;
@@ -452,14 +462,19 @@ static void handle_options(int argc, char **argv)
 
 int main(int argc, char **argv)
 {
-	char ipc_msock_path[sizeof(IPC_SOCK_PATH_PREFIX) + 3];
+	char ipc_msock_path[128];
 	tall_ctx = talloc_named_const(NULL, 0, "OsmoTRX");
 	msgb_talloc_ctx_init(tall_ctx, 0);
 	osmo_init_logging2(tall_ctx, &log_infox);
 	log_enable_multithread();
 
 	handle_options(argc, argv);
-	snprintf(ipc_msock_path, sizeof(ipc_msock_path), "%s%d", IPC_SOCK_PATH_PREFIX, msocknum);
+
+	if (!cmdline_cfg.ud_prefix_dir)
+		cmdline_cfg.ud_prefix_dir = talloc_strdup(tall_ctx, IPC_SOCK_PATH_PREFIX);
+
+
+	snprintf(ipc_msock_path, sizeof(ipc_msock_path), "%s/ipc_sock%d", cmdline_cfg.ud_prefix_dir, cmdline_cfg.msocknum);
 
 	LOGP(DMAIN, LOGL_INFO, "Starting %s\n", argv[0]);
 	ipc_sock_init(ipc_msock_path, &global_ipc_sock_state, ipc_sock_accept, 0);
diff --git a/Transceiver52M/device/ipc/shm.h b/Transceiver52M/device/ipc/shm.h
index fcddd54..46c3add 100644
--- a/Transceiver52M/device/ipc/shm.h
+++ b/Transceiver52M/device/ipc/shm.h
@@ -79,8 +79,6 @@ struct ipc_shm_region *ipc_shm_decode_region(void *tall_ctx, struct ipc_shm_raw_
 //////////////////
 // Master socket
 //////////////////
-
-#define IPC_SOCK_PATH_PREFIX "/tmp/ipc_sock"
 #define IPC_SOCK_API_VERSION 1
 
 /* msg_type */