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Unbit
127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
#include <uwsgi.h>
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/*
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This is an example exception handler logging a dump of the exception packet
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It is not built by default, to discourage its usage, as it is non-thread-safe (log lines
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will be clobbered).
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You can use it as a debugger when developing true exception handlers
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*/
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static void uwsgi_exception_handler_log_parser_vars(char *key, uint16_t keylen, char *value, uint16_t vallen, void *data) {
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uwsgi_log("\t%.*s=%.*s\n", keylen, key, vallen, value);
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}
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static void uwsgi_exception_handler_log_parser_backtrace(uint16_t pos, char *value, uint16_t vallen, void *data) {
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uint16_t item = 0;
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if (pos > 0) {
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item = pos % 5;
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}
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switch(item) {
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// filename
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case 0:
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uwsgi_log("\tfilename: \"%.*s\" ", vallen, value);
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break;
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// lineno
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case 1:
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uwsgi_log("line: %.*s ", vallen, value);
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break;
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// function
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case 2:
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uwsgi_log("function: \"%.*s\" ", vallen, value);
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break;
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// text
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case 3:
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if (vallen > 0) {
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uwsgi_log("text/code: \"%.*s\" ", vallen, value);
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}
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break;
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// custom
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case 4:
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if (vallen > 0) {
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uwsgi_log("custom: \"%.*s\"", vallen, value);
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}
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uwsgi_log("\n");
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break;
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default:
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break;
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}
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}
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static void uwsgi_exception_handler_log_parser(char *key, uint16_t keylen, char *value, uint16_t vallen, void *data) {
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if (!uwsgi_strncmp(key, keylen, "vars", 4)) {
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uwsgi_log("vars:\n");
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uwsgi_hooked_parse(value, vallen, uwsgi_exception_handler_log_parser_vars, NULL);
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uwsgi_log("\n");
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "backtrace", 9)) {
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uwsgi_log("backtrace:\n");
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uwsgi_hooked_parse_array(value, vallen, uwsgi_exception_handler_log_parser_backtrace, NULL);
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uwsgi_log("\n");
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "class", 5)) {
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uwsgi_log("class: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "msg", 3)) {
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uwsgi_log("msg: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "repr", 4)) {
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uwsgi_log("repr: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "unix", 4)) {
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uwsgi_log("unix: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "wid", 3)) {
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uwsgi_log("wid: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "pid", 3)) {
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uwsgi_log("pid: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "core", 4)) {
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uwsgi_log("core: %.*s\n", vallen, value);
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return;
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}
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if (!uwsgi_strncmp(key, keylen, "node", 4)) {
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uwsgi_log("node: %.*s\n", vallen, value);
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return;
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}
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}
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static int uwsgi_exception_handler_log(struct uwsgi_exception_handler_instance *uehi, char *buf, size_t len) {
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uwsgi_log("\n!!! \"log\" exception handler !!!\n\n");
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uwsgi_hooked_parse(buf, len, uwsgi_exception_handler_log_parser, NULL);
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uwsgi_log("\n!!! end of \"log\" exception handler output !!!\n\n");
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return 0;
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}
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static void register_exception_log() {
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uwsgi_register_exception_handler("log", uwsgi_exception_handler_log);
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}
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struct uwsgi_plugin exception_log_plugin = {
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.name = "exception_log",
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.on_load = register_exception_log,
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};
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