tvl-depot/third_party/git/trace2/tr2_tgt_normal.c
2020-05-22 17:46:45 +01:00

325 lines
8.3 KiB
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, 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_append_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;
}
}
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");
if (fmt && *fmt) {
strbuf_addch(&buf_payload, ' ');
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_append_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
*/
strbuf_addch(&buf_payload, ' ');
if (cmd->git_cmd)
strbuf_addstr(&buf_payload, "git ");
sq_append_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);
strbuf_addch(&buf_payload, ' ');
}
sq_append_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,
};