[thirdparty/git.git] / trace2 / tr2_tgt_normal.c

#include "cache.h"
#include "config.h"
#include "run-command.h"
#include "quote.h"
#include "version.h"
#include "trace2/tr2_dst.h"
#include "trace2/tr2_sysenv.h"
#include "trace2/tr2_tbuf.h"
#include "trace2/tr2_tgt.h"
#include "trace2/tr2_tls.h"

static struct tr2_dst tr2dst_normal = { TR2_SYSENV_NORMAL, 0, 0, 0 };

/*
 * Use the TR2_SYSENV_NORMAL_BRIEF setting to omit the "<time> <file>:<line>"
 * fields from each line written to the builtin normal target.
 *
 * Unit tests may want to use this to help with testing.
 */
static int tr2env_normal_be_brief;

#define TR2FMT_NORMAL_FL_WIDTH (50)

static int fn_init(void)
{
	int want = tr2_dst_trace_want(&tr2dst_normal);
	int want_brief;
	const char *brief;

	if (!want)
		return want;

	brief = tr2_sysenv_get(TR2_SYSENV_NORMAL_BRIEF);
	if (brief && *brief &&
	    ((want_brief = git_parse_maybe_bool(brief)) != -1))
		tr2env_normal_be_brief = want_brief;

	return want;
}

static void fn_term(void)
{
	tr2_dst_trace_disable(&tr2dst_normal);
}

static void normal_fmt_prepare(const char *file, int line, struct strbuf *buf)
{
	strbuf_setlen(buf, 0);

	if (!tr2env_normal_be_brief) {
		struct tr2_tbuf tb_now;

		tr2_tbuf_local_time(&tb_now);
		strbuf_addstr(buf, tb_now.buf);
		strbuf_addch(buf, ' ');

		if (file && *file)
			strbuf_addf(buf, "%s:%d ", file, line);
		while (buf->len < TR2FMT_NORMAL_FL_WIDTH)
			strbuf_addch(buf, ' ');
	}
}

static void normal_io_write_fl(const char *file, int line,
			       const struct strbuf *buf_payload)
{
	struct strbuf buf_line = STRBUF_INIT;

	normal_fmt_prepare(file, line, &buf_line);
	strbuf_addbuf(&buf_line, buf_payload);
	tr2_dst_write_line(&tr2dst_normal, &buf_line);
	strbuf_release(&buf_line);
}

static void fn_version_fl(const char *file, int line)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "version %s", git_version_string);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_start_fl(const char *file, int line,
			uint64_t us_elapsed_absolute, const char **argv)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addstr(&buf_payload, "start ");
	sq_quote_argv_pretty(&buf_payload, argv);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_exit_fl(const char *file, int line, uint64_t us_elapsed_absolute,
		       int code)
{
	struct strbuf buf_payload = STRBUF_INIT;
	double elapsed = (double)us_elapsed_absolute / 1000000.0;

	strbuf_addf(&buf_payload, "exit elapsed:%.6f code:%d", elapsed, code);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_signal(uint64_t us_elapsed_absolute, int signo)
{
	struct strbuf buf_payload = STRBUF_INIT;
	double elapsed = (double)us_elapsed_absolute / 1000000.0;

	strbuf_addf(&buf_payload, "signal elapsed:%.6f code:%d", elapsed,
		    signo);
	normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_atexit(uint64_t us_elapsed_absolute, int code)
{
	struct strbuf buf_payload = STRBUF_INIT;
	double elapsed = (double)us_elapsed_absolute / 1000000.0;

	strbuf_addf(&buf_payload, "atexit elapsed:%.6f code:%d", elapsed, code);
	normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
	strbuf_release(&buf_payload);
}

static void maybe_append_string_va(struct strbuf *buf, const char *fmt,
				   va_list ap)
{
	if (fmt && *fmt) {
		va_list copy_ap;

		va_copy(copy_ap, ap);
		strbuf_vaddf(buf, fmt, copy_ap);
		va_end(copy_ap);
		return;
	}

	if (fmt && *fmt) {
		strbuf_addstr(buf, fmt);
		return;
	}
}

static void fn_error_va_fl(const char *file, int line, const char *fmt,
			   va_list ap)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addstr(&buf_payload, "error ");
	maybe_append_string_va(&buf_payload, fmt, ap);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_command_path_fl(const char *file, int line, const char *pathname)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "cmd_path %s", pathname);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_command_name_fl(const char *file, int line, const char *name,
			       const char *hierarchy)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "cmd_name %s", name);
	if (hierarchy && *hierarchy)
		strbuf_addf(&buf_payload, " (%s)", hierarchy);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_command_mode_fl(const char *file, int line, const char *mode)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "cmd_mode %s", mode);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_alias_fl(const char *file, int line, const char *alias,
			const char **argv)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "alias %s ->", alias);
	sq_quote_argv_pretty(&buf_payload, argv);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_child_start_fl(const char *file, int line,
			      uint64_t us_elapsed_absolute,
			      const struct child_process *cmd)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "child_start[%d] ", cmd->trace2_child_id);

	if (cmd->dir) {
		strbuf_addstr(&buf_payload, " cd");
		sq_quote_buf_pretty(&buf_payload, cmd->dir);
		strbuf_addstr(&buf_payload, "; ");
	}

	/*
	 * TODO if (cmd->env) { Consider dumping changes to environment. }
	 * See trace_add_env() in run-command.c as used by original trace.c
	 */

	if (cmd->git_cmd)
		strbuf_addstr(&buf_payload, "git");
	sq_quote_argv_pretty(&buf_payload, cmd->argv);

	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_child_exit_fl(const char *file, int line,
			     uint64_t us_elapsed_absolute, int cid, int pid,
			     int code, uint64_t us_elapsed_child)
{
	struct strbuf buf_payload = STRBUF_INIT;
	double elapsed = (double)us_elapsed_child / 1000000.0;

	strbuf_addf(&buf_payload, "child_exit[%d] pid:%d code:%d elapsed:%.6f",
		    cid, pid, code, elapsed);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute,
		       int exec_id, const char *exe, const char **argv)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "exec[%d] ", exec_id);
	if (exe)
		strbuf_addstr(&buf_payload, exe);
	sq_quote_argv_pretty(&buf_payload, argv);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_exec_result_fl(const char *file, int line,
			      uint64_t us_elapsed_absolute, int exec_id,
			      int code)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "exec_result[%d] code:%d", exec_id, code);
	if (code > 0)
		strbuf_addf(&buf_payload, " err:%s", strerror(code));
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_param_fl(const char *file, int line, const char *param,
			const char *value)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addf(&buf_payload, "def_param %s=%s", param, value);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_repo_fl(const char *file, int line,
		       const struct repository *repo)
{
	struct strbuf buf_payload = STRBUF_INIT;

	strbuf_addstr(&buf_payload, "worktree ");
	sq_quote_buf_pretty(&buf_payload, repo->worktree);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

static void fn_printf_va_fl(const char *file, int line,
			    uint64_t us_elapsed_absolute, const char *fmt,
			    va_list ap)
{
	struct strbuf buf_payload = STRBUF_INIT;

	maybe_append_string_va(&buf_payload, fmt, ap);
	normal_io_write_fl(file, line, &buf_payload);
	strbuf_release(&buf_payload);
}

struct tr2_tgt tr2_tgt_normal = {
	&tr2dst_normal,

	fn_init,
	fn_term,

	fn_version_fl,
	fn_start_fl,
	fn_exit_fl,
	fn_signal,
	fn_atexit,
	fn_error_va_fl,
	fn_command_path_fl,
	fn_command_name_fl,
	fn_command_mode_fl,
	fn_alias_fl,
	fn_child_start_fl,
	fn_child_exit_fl,
	NULL, /* thread_start */
	NULL, /* thread_exit */
	fn_exec_fl,
	fn_exec_result_fl,
	fn_param_fl,
	fn_repo_fl,
	NULL, /* region_enter */
	NULL, /* region_leave */
	NULL, /* data */
	NULL, /* data_json */
	fn_printf_va_fl,
};
Commit	Line	Data
ee4512ed JH	1	#include "cache.h"
	2	#include "config.h"
	3	#include "run-command.h"
	4	#include "quote.h"
	5	#include "version.h"
	6	#include "trace2/tr2_dst.h"
bce9db6d	7	#include "trace2/tr2_sysenv.h"
ee4512ed JH	8	#include "trace2/tr2_tbuf.h"
	9	#include "trace2/tr2_tgt.h"
	10	#include "trace2/tr2_tls.h"
	11
bce9db6d	12	static struct tr2_dst tr2dst_normal = { TR2_SYSENV_NORMAL, 0, 0, 0 };
ee4512ed JH	13
ee4512ed JH	14	/*
bce9db6d	15	* Use the TR2_SYSENV_NORMAL_BRIEF setting to omit the "<time> <file>:<line>"
ee4512ed JH	16	* fields from each line written to the builtin normal target.
	17	*
	18	* Unit tests may want to use this to help with testing.
	19	*/
bce9db6d	20	static int tr2env_normal_be_brief;
ee4512ed JH	21
	22	#define TR2FMT_NORMAL_FL_WIDTH (50)
	23
	24	static int fn_init(void)
	25	{
	26	int want = tr2_dst_trace_want(&tr2dst_normal);
	27	int want_brief;
bce9db6d	28	const char *brief;
ee4512ed JH	29
	30	if (!want)
	31	return want;
	32
bce9db6d	33	brief = tr2_sysenv_get(TR2_SYSENV_NORMAL_BRIEF);
ee4512ed JH	34	if (brief && *brief &&
ee4512ed JH	35	((want_brief = git_parse_maybe_bool(brief)) != -1))
bce9db6d	36	tr2env_normal_be_brief = want_brief;
ee4512ed JH	37
	38	return want;
	39	}
	40
	41	static void fn_term(void)
	42	{
	43	tr2_dst_trace_disable(&tr2dst_normal);
	44	}
	45
	46	static void normal_fmt_prepare(const char file, int line, struct strbuf buf)
	47	{
	48	strbuf_setlen(buf, 0);
	49
bce9db6d	50	if (!tr2env_normal_be_brief) {
ee4512ed JH	51	struct tr2_tbuf tb_now;
	52
	53	tr2_tbuf_local_time(&tb_now);
	54	strbuf_addstr(buf, tb_now.buf);
	55	strbuf_addch(buf, ' ');
	56
	57	if (file && *file)
	58	strbuf_addf(buf, "%s:%d ", file, line);
	59	while (buf->len < TR2FMT_NORMAL_FL_WIDTH)
	60	strbuf_addch(buf, ' ');
	61	}
	62	}
	63
	64	static void normal_io_write_fl(const char *file, int line,
	65	const struct strbuf *buf_payload)
	66	{
	67	struct strbuf buf_line = STRBUF_INIT;
	68
	69	normal_fmt_prepare(file, line, &buf_line);
	70	strbuf_addbuf(&buf_line, buf_payload);
	71	tr2_dst_write_line(&tr2dst_normal, &buf_line);
	72	strbuf_release(&buf_line);
	73	}
	74
	75	static void fn_version_fl(const char *file, int line)
	76	{
	77	struct strbuf buf_payload = STRBUF_INIT;
	78
	79	strbuf_addf(&buf_payload, "version %s", git_version_string);
	80	normal_io_write_fl(file, line, &buf_payload);
	81	strbuf_release(&buf_payload);
	82	}
	83
39f43177 JH	84	static void fn_start_fl(const char *file, int line,
39f43177 JH	85	uint64_t us_elapsed_absolute, const char **argv)
ee4512ed JH	86	{
	87	struct strbuf buf_payload = STRBUF_INIT;
	88
	89	strbuf_addstr(&buf_payload, "start ");
	90	sq_quote_argv_pretty(&buf_payload, argv);
	91	normal_io_write_fl(file, line, &buf_payload);
	92	strbuf_release(&buf_payload);
	93	}
	94
	95	static void fn_exit_fl(const char *file, int line, uint64_t us_elapsed_absolute,
	96	int code)
	97	{
	98	struct strbuf buf_payload = STRBUF_INIT;
	99	double elapsed = (double)us_elapsed_absolute / 1000000.0;
	100
	101	strbuf_addf(&buf_payload, "exit elapsed:%.6f code:%d", elapsed, code);
	102	normal_io_write_fl(file, line, &buf_payload);
	103	strbuf_release(&buf_payload);
	104	}
	105
	106	static void fn_signal(uint64_t us_elapsed_absolute, int signo)
	107	{
	108	struct strbuf buf_payload = STRBUF_INIT;
	109	double elapsed = (double)us_elapsed_absolute / 1000000.0;
	110
	111	strbuf_addf(&buf_payload, "signal elapsed:%.6f code:%d", elapsed,
	112	signo);
	113	normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
	114	strbuf_release(&buf_payload);
	115	}
	116
	117	static void fn_atexit(uint64_t us_elapsed_absolute, int code)
	118	{
	119	struct strbuf buf_payload = STRBUF_INIT;
	120	double elapsed = (double)us_elapsed_absolute / 1000000.0;
	121
	122	strbuf_addf(&buf_payload, "atexit elapsed:%.6f code:%d", elapsed, code);
	123	normal_io_write_fl(__FILE__, __LINE__, &buf_payload);
	124	strbuf_release(&buf_payload);
	125	}
	126
	127	static void maybe_append_string_va(struct strbuf buf, const char fmt,
	128	va_list ap)
	129	{
ad006fe4	130	if (fmt && *fmt) {
ee4512ed JH	131	va_list copy_ap;
	132
	133	va_copy(copy_ap, ap);
	134	strbuf_vaddf(buf, fmt, copy_ap);
	135	va_end(copy_ap);
	136	return;
	137	}
	138
	139	if (fmt && *fmt) {
	140	strbuf_addstr(buf, fmt);
	141	return;
	142	}
	143	}
	144
	145	static void fn_error_va_fl(const char file, int line, const char fmt,
	146	va_list ap)
	147	{
	148	struct strbuf buf_payload = STRBUF_INIT;
	149
	150	strbuf_addstr(&buf_payload, "error ");
	151	maybe_append_string_va(&buf_payload, fmt, ap);
	152	normal_io_write_fl(file, line, &buf_payload);
	153	strbuf_release(&buf_payload);
	154	}
	155
	156	static void fn_command_path_fl(const char file, int line, const char pathname)
	157	{
	158	struct strbuf buf_payload = STRBUF_INIT;
	159
	160	strbuf_addf(&buf_payload, "cmd_path %s", pathname);
	161	normal_io_write_fl(file, line, &buf_payload);
	162	strbuf_release(&buf_payload);
	163	}
	164
	165	static void fn_command_name_fl(const char file, int line, const char name,
	166	const char *hierarchy)
	167	{
	168	struct strbuf buf_payload = STRBUF_INIT;
	169
	170	strbuf_addf(&buf_payload, "cmd_name %s", name);
	171	if (hierarchy && *hierarchy)
	172	strbuf_addf(&buf_payload, " (%s)", hierarchy);
	173	normal_io_write_fl(file, line, &buf_payload);
	174	strbuf_release(&buf_payload);
	175	}
	176
	177	static void fn_command_mode_fl(const char file, int line, const char mode)
	178	{
	179	struct strbuf buf_payload = STRBUF_INIT;
	180
	181	strbuf_addf(&buf_payload, "cmd_mode %s", mode);
	182	normal_io_write_fl(file, line, &buf_payload);
	183	strbuf_release(&buf_payload);
	184	}
	185
	186	static void fn_alias_fl(const char file, int line, const char alias,
	187	const char **argv)
	188	{
	189	struct strbuf buf_payload = STRBUF_INIT;
	190
	191	strbuf_addf(&buf_payload, "alias %s ->", alias);
	192	sq_quote_argv_pretty(&buf_payload, argv);
	193	normal_io_write_fl(file, line, &buf_payload);
	194	strbuf_release(&buf_payload);
195	}
196
197	static void fn_child_start_fl(const char *file, int line,
198	uint64_t us_elapsed_absolute,
199	const struct child_process *cmd)
200	{
201	struct strbuf buf_payload = STRBUF_INIT;
202
203	strbuf_addf(&buf_payload, "child_start[%d] ", cmd->trace2_child_id);
204
205	if (cmd->dir) {
206	strbuf_addstr(&buf_payload, " cd");
207	sq_quote_buf_pretty(&buf_payload, cmd->dir);
208	strbuf_addstr(&buf_payload, "; ");
209	}
210
211	/*
212	* TODO if (cmd->env) { Consider dumping changes to environment. }
213	* See trace_add_env() in run-command.c as used by original trace.c
214	*/
215
216	if (cmd->git_cmd)
217	strbuf_addstr(&buf_payload, "git");
218	sq_quote_argv_pretty(&buf_payload, cmd->argv);
219
220	normal_io_write_fl(file, line, &buf_payload);
221	strbuf_release(&buf_payload);
222	}
223
224	static void fn_child_exit_fl(const char *file, int line,
225	uint64_t us_elapsed_absolute, int cid, int pid,
226	int code, uint64_t us_elapsed_child)
227	{
228	struct strbuf buf_payload = STRBUF_INIT;
229	double elapsed = (double)us_elapsed_child / 1000000.0;
230
231	strbuf_addf(&buf_payload, "child_exit[%d] pid:%d code:%d elapsed:%.6f",
232	cid, pid, code, elapsed);
233	normal_io_write_fl(file, line, &buf_payload);
234	strbuf_release(&buf_payload);
235	}
236
237	static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute,
238	int exec_id, const char exe, const char *argv)
239	{
240	struct strbuf buf_payload = STRBUF_INIT;
241
242	strbuf_addf(&buf_payload, "exec[%d] ", exec_id);
243	if (exe)
244	strbuf_addstr(&buf_payload, exe);
245	sq_quote_argv_pretty(&buf_payload, argv);
246	normal_io_write_fl(file, line, &buf_payload);
247	strbuf_release(&buf_payload);
248	}
249
250	static void fn_exec_result_fl(const char *file, int line,
251	uint64_t us_elapsed_absolute, int exec_id,
252	int code)
253	{
254	struct strbuf buf_payload = STRBUF_INIT;
255
256	strbuf_addf(&buf_payload, "exec_result[%d] code:%d", exec_id, code);
257	if (code > 0)
258	strbuf_addf(&buf_payload, " err:%s", strerror(code));
259	normal_io_write_fl(file, line, &buf_payload);
260	strbuf_release(&buf_payload);
261	}
262
263	static void fn_param_fl(const char file, int line, const char param,
264	const char *value)
265	{
266	struct strbuf buf_payload = STRBUF_INIT;
267
268	strbuf_addf(&buf_payload, "def_param %s=%s", param, value);
269	normal_io_write_fl(file, line, &buf_payload);
270	strbuf_release(&buf_payload);
271	}
272
273	static void fn_repo_fl(const char *file, int line,
274	const struct repository *repo)
275	{
276	struct strbuf buf_payload = STRBUF_INIT;
277
278	strbuf_addstr(&buf_payload, "worktree ");
279	sq_quote_buf_pretty(&buf_payload, repo->worktree);
280	normal_io_write_fl(file, line, &buf_payload);
281	strbuf_release(&buf_payload);
282	}
283
284	static void fn_printf_va_fl(const char *file, int line,
285	uint64_t us_elapsed_absolute, const char *fmt,
286	va_list ap)
287	{
288	struct strbuf buf_payload = STRBUF_INIT;
289
290	maybe_append_string_va(&buf_payload, fmt, ap);
291	normal_io_write_fl(file, line, &buf_payload);
292	strbuf_release(&buf_payload);
293	}
294
295	struct tr2_tgt tr2_tgt_normal = {
296	&tr2dst_normal,
297
298	fn_init,
299	fn_term,
300
301	fn_version_fl,
302	fn_start_fl,
303	fn_exit_fl,
304	fn_signal,
305	fn_atexit,
306	fn_error_va_fl,
307	fn_command_path_fl,
308	fn_command_name_fl,
309	fn_command_mode_fl,
310	fn_alias_fl,
311	fn_child_start_fl,
312	fn_child_exit_fl,
313	NULL, /* thread_start */
314	NULL, /* thread_exit */
315	fn_exec_fl,
316	fn_exec_result_fl,
317	fn_param_fl,
318	fn_repo_fl,
319	NULL, /* region_enter */
320	NULL, /* region_leave */
321	NULL, /* data */
322	NULL, /* data_json */
323	fn_printf_va_fl,
324	};