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use prone to retrieve better frames #10

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merged 1 commit into from May 12, 2016
Merged

use prone to retrieve better frames #10

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3 changes: 2 additions & 1 deletion project.clj
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Expand Up @@ -5,4 +5,5 @@
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.5.1"]
[cheshire "5.0.1"]
[clj-http "3.0.1"]])
[clj-http "3.0.1"]
[prone "1.0.1"]])
39 changes: 27 additions & 12 deletions src/raven_clj/interfaces.clj
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@@ -1,4 +1,5 @@
(ns raven-clj.interfaces)
(ns raven-clj.interfaces
(:require [prone.stacks :as stacks]))

(defn- make-http-info [req]
{:url (str (name (:scheme req))
Expand All @@ -17,17 +18,31 @@
(assoc event-map "sentry.interfaces.Http"
(alter-fn (make-http-info req))))

(defn- make-frame [^StackTraceElement element app-namespaces]
{:filename (.getFileName element)
:lineno (.getLineNumber element)
:function (str (.getClassName element) "." (.getMethodName element))
:in_app (boolean (some #(.startsWith (.getClassName element) %) app-namespaces))})
(defn file->source [file-path line-number]
(some-> (io/resource file-path)
slurp
(str/split #"\n")
(#(drop (- line-number 6) %))
(#(take 11 %))))

(defn- make-stacktrace-info [elements app-namespaces]
{:frames (reverse (map #(make-frame % app-namespaces) elements))})
(defn in-app [package app-namespaces]
(boolean (some #(.startsWith package %) app-namespaces)))

(defn frame->sentry [app-namespaces frame]
(let [source (file->source (:class-path-url frame) (:line-number frame))]
{:filename (:file-name frame)
:lineno (:line-number frame)
:function (str (:package frame) "/" (:method-name frame))
:in_app (in-app (:package frame) app-namespaces)
:context_line (nth source 5)
:pre_context (take 5 source)
:post_context (drop 6 source)}))

(defn stacktrace [event-map ^Exception e & [app-namespaces]]
(assoc event-map
:exception [{:stacktrace (make-stacktrace-info (.getStackTrace e) app-namespaces)
:type (str (class e))
:value (.getMessage e)}]))
(let [stacks (stacks/normalize-exception (stack/root-cause e))
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Where is root-cause coming from here?

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is it just clojure.stacktrace/root-cause?

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Yes! Sorry. :(

frames (map (partial frame->sentry app-namespaces)
(reverse (:frames stacks)))]
(assoc event-map
:exception [{:value (:message stacks)
:type (:type stacks)
:stacktrace {:frames frames}}])))