[tor-commits] [metrics-web/master] Show possible censorship events in user graphs.

[karsten@xxxxxxxxxxxxxx]

commit ca34678f08780173a2e6736acf48db80e5903f3a
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Mon Jul 11 13:24:33 2011 +0200

    Show possible censorship events in user graphs.
---
 rserve/graphs.R                                    |   23 ++++++++++++++++++-
 .../ernie/web/GraphParameterChecker.java           |   23 +++++++++++++++++++-
 web/WEB-INF/users.jsp                              |    5 ++++
 3 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/rserve/graphs.R b/rserve/graphs.R
index cff39a2..c6ba4fd 100644
--- a/rserve/graphs.R
+++ b/rserve/graphs.R
@@ -600,7 +600,7 @@ plot_relayflags <- function(start, end, flags, granularity, path, dpi) {
   ggsave(filename = path, width = 8, height = 5, dpi = as.numeric(dpi))
 }
 
-plot_direct_users <- function(start, end, country, path, dpi) {
+plot_direct_users <- function(start, end, country, events, path, dpi) {
   drv <- dbDriver("PostgreSQL")
   con <- dbConnect(drv, user = dbuser, password = dbpassword, dbname = db)
   q <- paste("SELECT date, r, bwp, brn, bwn, brp, bwr, brr ",
@@ -630,7 +630,25 @@ plot_direct_users <- function(start, end, country, path, dpi) {
   date_breaks <- date_breaks(
     as.numeric(max(as.Date(u$date, "%Y-%m-%d")) -
     min(as.Date(u$date, "%Y-%m-%d"))))
-  ggplot(u, aes(x = as.Date(date, "%Y-%m-%d"), y = users)) +
+  plot <- ggplot(u, aes(x = as.Date(date, "%Y-%m-%d"), y = users))
+  if (events == "on" & country != "all") {
+    r <- read.csv(
+        "/srv/metrics.torproject.org/web/direct-users-ranges.csv",
+        stringsAsFactors = FALSE)
+    r <- r[r$date >= start & r$date <= end & r$country == country,
+        c("date", "minusers", "maxusers")]
+    r <- cast(rbind(melt(u, id.vars = "date"), melt(r, id.vars = "date")))
+    upturns <- r[r$users > r$maxusers, 1:2]
+    downturns <- r[r$users < r$minusers, 1:2]
+    plot <- plot +
+      geom_ribbon(data = r, aes(ymin = minusers, ymax = maxusers),
+          fill = "gray") +
+      geom_point(data = upturns, aes(x = date, y = users), size = 5,
+          colour = "dodgerblue2") +
+      geom_point(data = downturns, aes(x = date, y = users), size = 5,
+          colour = "firebrick2")
+  }
+  plot <- plot +
     geom_line(size = 1) +
     scale_x_date(name = paste("\nThe Tor Project - ",
         "https://metrics.torproject.org/";, sep = ""),
@@ -639,6 +657,7 @@ plot_direct_users <- function(start, end, country, path, dpi) {
     scale_y_continuous(name = "", limits = c(0, max(u$users,
         na.rm = TRUE)), formatter = formatter) +
     opts(title = title)
+  print(plot)
   ggsave(filename = path, width = 8, height = 5, dpi = as.numeric(dpi))
 }
 
diff --git a/src/org/torproject/ernie/web/GraphParameterChecker.java b/src/org/torproject/ernie/web/GraphParameterChecker.java
index 95e4cf0..7349bf9 100644
--- a/src/org/torproject/ernie/web/GraphParameterChecker.java
+++ b/src/org/torproject/ernie/web/GraphParameterChecker.java
@@ -50,7 +50,7 @@ public class GraphParameterChecker {
     this.availableGraphs.put("bwhist-flags", "start,end,filename,dpi");
     this.availableGraphs.put("dirbytes", "start,end,filename,dpi");
     this.availableGraphs.put("direct-users",
-        "start,end,country,filename,dpi");
+        "start,end,country,events,filename,dpi");
     this.availableGraphs.put("bridge-users",
          "start,end,country,filename,dpi");
     this.availableGraphs.put("gettor", "start,end,bundle,filename,dpi");
@@ -70,6 +70,7 @@ public class GraphParameterChecker {
       sb.append("," + country[0]);
     }
     this.knownParameterValues.put("country", sb.toString());
+    this.knownParameterValues.put("events", "on,off");
     this.knownParameterValues.put("bundle", "all,en,zh_CN,fa");
     this.knownParameterValues.put("source", "all,siv,moria,torperf");
     this.knownParameterValues.put("filesize", "50kb,1mb,5mb");
@@ -197,6 +198,26 @@ public class GraphParameterChecker {
       recognizedGraphParameters.put("country", countryParameters);
     }
 
+    /* Parse whether the estimated min/max range shall be displayed if
+     * supported by the graph type. This parameter can either be "on" or
+     * "off," where "off" is the default. */
+    if (supportedGraphParameters.contains("events")) {
+      String[] eventsParameter = (String[]) requestParameters.get(
+          "events");
+      List<String> knownRanges = Arrays.asList(
+          this.knownParameterValues.get("events").split(","));
+      if (eventsParameter != null) {
+        if (eventsParameter.length != 1 ||
+            eventsParameter[0].length() == 0 ||
+            !knownRanges.contains(eventsParameter[0])) {
+          return null;
+        }
+      } else {
+        eventsParameter = new String[] { "off" };
+      }
+      recognizedGraphParameters.put("events", eventsParameter);
+    }
+
     /* Parse GetTor bundle if supported by the graph type. Only a single
      * bundle can be passed. If no bundle is passed, use "all" as
      * default. */
diff --git a/web/WEB-INF/users.jsp b/web/WEB-INF/users.jsp
index 60be8ab..814c15c 100644
--- a/web/WEB-INF/users.jsp
+++ b/web/WEB-INF/users.jsp
@@ -43,6 +43,11 @@ based on the requests seen by a few dozen directory mirrors.</p>
         </c:forEach>
       </select>
     </p><p>
+      Show possible censorship events if available (BETA)
+      <input type="checkbox" name="events" value="on"
+        <c:if test="${direct_users_events[0] eq 'on'}"> checked</c:if>
+      ></input>
+    </p><p>
       Resolution: <select name="dpi">
         <option value="72"<c:if test="${direct_users_dpi[0] eq '72'}"> selected</c:if>>Screen - 576x360</option>
         <option value="150"<c:if test="${direct_users_dpi[0] eq '150'}"> selected</c:if>>Print low - 1200x750</option>

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