feat: --tos param

includes/internal/cli/options.h

@@ -61,6 +61,14 @@ enum {
 		OPT_ARG_SECONDS, \
 		"Wait N seconds between packets" \
 	) \
+	X( \
+		'T', \
+		"tos", \
+		required_argument, \
+		cli_handle_tos, \
+		OPT_ARG_UINT, \
+		"Set Type of Service (TOS)" \
+	) \
 	X( \
 		't', \
 		"ttl", \

includes/internal/ping/cli_handlers.h

@@ -16,6 +16,7 @@ int	cli_handle_quiet(const char *arg, void *config);
 int	cli_handle_size(const char *arg, void *config);
 int	cli_handle_linger(const char *arg, void *config);
 int	cli_handle_timeout(const char *arg, void *config);
+int	cli_handle_tos(const char *arg, void *config);
 int	cli_handle_ttl(const char *arg, void *config);
 int	cli_handle_verbose(const char *arg, void *config);
 int	cli_handle_version(const char *arg, void *config);

includes/ping/ping.h

@@ -19,6 +19,7 @@ struct ping_config
 	uint64_t	preload;
 	double		interval;
 	uint8_t		ttl;
+	uint8_t		tos;
 	size_t		packet_size;
 	double		linger;
 	double		timeout;

libicmp

@@ -1 +1 @@
-Subproject commit e6693c97cc22b82adc3be85c72a5d5f655c69eb1
+Subproject commit 71ca9abc2e05de9cf61b135a4699ed3bb97a8969

src/ping/Makefile.am

@@ -55,6 +55,7 @@ libping_core_la_SOURCES = \
 	cli/handlers/option_map.c \
 	cli/handlers/handle_size.c \
 	cli/handlers/handle_timeout.c \
+	cli/handlers/handle_tos.c \
 	cli/handlers/handle_ttl.c \
 	cli/handlers/handle_version.c \
 	cli/handlers/handle_verbose.c \

src/ping/cli/handlers/handle_tos.c

@@ -0,0 +1,14 @@
+#include "ping/cli.h"
+#include "internal/cli/parse_utils.h"
+
+int
+cli_handle_tos(const char *arg, void *config_void)
+{
+	struct ping_config	*config = (struct ping_config *)config_void;
+	uint64_t			tos;
+
+	if (0 != cli_parse_uint64(arg, &tos) || tos > 255)
+		return CLI_ERROR;
+	config->tos = (uint8_t)tos;
+	return CLI_SUCCESS;
+}

src/ping/core/ping.c

@@ -60,6 +60,12 @@ ping_create_handle(const struct ping_config *config)
 		icmp_destroy(handle);
 		return NULL;
 	}
+	if (0 != config->tos && 0 != icmp_set_tos(handle, config->tos))
+	{
+		dprintf(STDERR_FILENO, "%s: %s\n", g_prog_name, icmp_strerror(handle));
+		icmp_destroy(handle);
+		return NULL;
+	}
 	return handle;
 }