def formatHTML(self, contactAddress):
"""Gather statistics for the DHT and format them for display in a browser.
@param contactAddress: the external IP address in use
@rtype: C{string}
@return: the stats, formatted for display in the body of an HTML page
"""
self.hashes, self.files = self.db.dbStats()
out = StringIO()
out.write('<h2>Downloader Statistics</h2>\n')
out.write("<table border='0' cellspacing='20px'>\n<tr>\n")
out.write('<td>\n')
# General
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>General</h3></th><th>Value</th></tr>\n")
out.write("<tr title='Contact address for this peer'><td>Contact</td><td>" + str(contactAddress) + '</td></tr>\n')
out.write("</table>\n")
out.write('</td><td>\n')
# Database
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Database</h3></th><th>Value</th></tr>\n")
out.write("<tr title='Number of distinct files in the database'><td>Distinct Files</td><td>" + str(self.hashes) + '</td></tr>\n')
out.write("<tr title='Total number of files being shared'><td>Total Files</td><td>" + str(self.files) + '</td></tr>\n')
out.write("</table>\n")
out.write("</td></tr><tr><td colspan='3'>\n")
# Transport
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Transport</h3></th><th>Mirror Downloads</th><th>Peer Downloads</th><th>Peer Uploads</th></tr>\n")
out.write("<tr><td title='Since the program was last restarted'>This Session</td>")
out.write("<td title='Amount downloaded from mirrors'>" + byte_format(self.mirrorDown) + '</td>')
out.write("<td title='Amount downloaded from peers'>" + byte_format(self.peerDown) + '</td>')
out.write("<td title='Amount uploaded to peers'>" + byte_format(self.peerUp) + '</td></tr>\n')
out.write("<tr><td title='Since the program was last restarted'>Session Ratio</td>")
out.write("<td title='Percent of download from mirrors'>%0.2f%%</td>" %
(100.0 * float(self.mirrorDown) / float(max(self.mirrorDown + self.peerDown, 1)), ))
out.write("<td title='Percent of download from peers'>%0.2f%%</td>" %
(100.0 * float(self.peerDown) / float(max(self.mirrorDown + self.peerDown, 1)), ))
out.write("<td title='Percent uploaded to peers compared with all downloaded'>%0.2f%%</td></tr>\n" %
(100.0 * float(self.peerUp) / float(max(self.mirrorDown + self.peerDown, 1)), ))
out.write("<tr><td title='Since the program was installed'>All-Time</td>")
out.write("<td title='Amount downloaded from mirrors'>" + byte_format(self.mirrorAllDown) + '</td>')
out.write("<td title='Amount downloaded from peers'>" + byte_format(self.peerAllDown) + '</td>')
out.write("<td title='Amount uploaded to peers'>" + byte_format(self.peerAllUp) + '</td></tr>\n')
out.write("<tr><td title='Since the program was installed'>All-Time Ratio</td>")
out.write("<td title='Percent of download from mirrors'>%0.2f%%</td>" %
(100.0 * float(self.mirrorAllDown) / float(max(self.mirrorAllDown + self.peerAllDown, 1)), ))
out.write("<td title='Percent of download from peers'>%0.2f%%</td>" %
(100.0 * float(self.peerAllDown) / float(max(self.mirrorAllDown + self.peerAllDown, 1)), ))
out.write("<td title='Percent uploaded to peers compared with all downloaded'>%0.2f%%</td></tr\n>" %
(100.0 * float(self.peerAllUp) / float(max(self.mirrorAllDown + self.peerAllDown, 1)), ))
out.write("</table>\n")
out.write("</td></tr>\n")
out.write("</table>\n")
return out.getvalue()
def formatHTML(self):
"""Gather statistics for the DHT and format them for display in a browser.
@rtype: C{string}
@return: the stats, formatted for display in the body of an HTML page
"""
self.tableStats()
self.dbStats()
elapsed = datetime.now().replace(microsecond=0) - self.startTime
out = StringIO()
out.write('<h2>DHT Statistics</h2>\n')
out.write("<table border='0' cellspacing='20px'>\n<tr>\n")
out.write('<td>\n')
# General
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>General</h3></th><th>Value</th></tr>\n")
out.write("<tr title='Elapsed time since the DHT was started'><td>Up time</td><td>" + str(elapsed) + '</td></tr>\n')
out.write("<tr title='Whether this node is reachable by other nodes'><td>Reachable</td><td>" + str(self.reachable) + '</td></tr>\n')
out.write("</table>\n")
out.write('</td><td>\n')
# Routing
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Routing Table</h3></th><th>Value</th></tr>\n")
out.write("<tr title='The number of connected nodes'><td>Number of nodes</td><td>" + str(self.nodes) + '</td></tr>\n')
out.write("<tr title='The estimated number of connected users in the entire DHT'><td>Total number of users</td><td>" + str(self.users) + '</td></tr>\n')
out.write("</table>\n")
out.write('</td><td>\n')
# Database
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Database</h3></th><th>Value</th></tr>\n")
out.write("<tr title='Number of distinct keys in the database'><td>Keys</td><td>" + str(self.keys) + '</td></tr>\n')
out.write("<tr title='Total number of values stored locally'><td>Values</td><td>" + str(self.values) + '</td></tr>\n')
out.write("</table>\n")
out.write("</td></tr><tr><td colspan='3'>\n")
# Transport
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Transport</h3></th><th>Packets</th><th>Bytes</th><th>Speed</th></tr>\n")
out.write("<tr title='Stats for packets received from the DHT'><td>Downloaded</td>")
out.write('<td>' + str(self.downPackets) + '</td>')
out.write('<td>' + byte_format(self.downBytes) + '</td>')
out.write('<td>' + byte_format(self.downBytes / (elapsed.days*86400.0 + elapsed.seconds)) + '/sec</td></tr>\n')
out.write("<tr title='Stats for packets sent to the DHT'><td>Uploaded</td>")
out.write('<td>' + str(self.upPackets) + '</td>')
out.write('<td>' + byte_format(self.upBytes) + '</td>')
out.write('<td>' + byte_format(self.upBytes / (elapsed.days*86400.0 + elapsed.seconds)) + '/sec</td></tr>\n')
out.write("</table>\n")
out.write("</td></tr><tr><td colspan='3'>\n")
# Actions
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Actions</h3></th><th>Started</th><th>Sent</th>")
out.write("<th>Successful</th><th>Failed</th><th>Completed</th><th>Received</th><th>Error</th>")
out.write("<th>Successful Delay</th><th>Failed Delay</th><th>Total Delay</th></tr>\n")
actions = self.actions.keys()
actions.sort()
for action in actions:
out.write("<tr><td>" + action + "</td>")
for i in xrange(7):
out.write("<td>" + str(self.actions[action][i]) + "</td>")
for i in xrange(3):
count = self.actions[action][i+2]
if count > 0:
total_delay = self.actions[action][i+7]
avg_delay = total_delay / count
avg_delay_sec = avg_delay.days*86400.0 + avg_delay.seconds + avg_delay.microseconds/1000000.0
else:
avg_delay_sec = 0.0
out.write("<td>%0.2f</td>" % avg_delay_sec)
out.write('</tr>\n')
out.write("</table>\n")
out.write("</td></tr>\n")
out.write("</table>\n")
return out.getvalue()
def formatHTML(self):
"""Gather statistics for the DHT and format them for display in a browser.
@rtype: C{string}
@return: the stats, formatted for display in the body of an HTML page
"""
self.tableStats()
self.dbStats()
elapsed = datetime.now().replace(microsecond=0) - self.startTime
out = StringIO()
out.write('<h2>DHT Statistics</h2>\n')
out.write("<table border='0' cellspacing='20px'>\n<tr>\n")
out.write('<td>\n')
# General
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>General</h3></th><th>Value</th></tr>\n")
out.write(
"<tr title='Elapsed time since the DHT was started'><td>Up time</td><td>"
+ str(elapsed) + '</td></tr>\n')
out.write(
"<tr title='Whether this node is reachable by other nodes'><td>Reachable</td><td>"
+ str(self.reachable) + '</td></tr>\n')
out.write("</table>\n")
out.write('</td><td>\n')
# Routing
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Routing Table</h3></th><th>Value</th></tr>\n")
out.write(
"<tr title='The number of connected nodes'><td>Number of nodes</td><td>"
+ str(self.nodes) + '</td></tr>\n')
out.write(
"<tr title='The estimated number of connected users in the entire DHT'><td>Total number of users</td><td>"
+ str(self.users) + '</td></tr>\n')
out.write("</table>\n")
out.write('</td><td>\n')
# Database
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Database</h3></th><th>Value</th></tr>\n")
out.write(
"<tr title='Number of distinct keys in the database'><td>Keys</td><td>"
+ str(self.keys) + '</td></tr>\n')
out.write(
"<tr title='Total number of values stored locally'><td>Values</td><td>"
+ str(self.values) + '</td></tr>\n')
out.write("</table>\n")
out.write("</td></tr><tr><td colspan='3'>\n")
# Transport
out.write("<table border='1' cellpadding='4px'>\n")
out.write(
"<tr><th><h3>Transport</h3></th><th>Packets</th><th>Bytes</th><th>Speed</th></tr>\n"
)
out.write(
"<tr title='Stats for packets received from the DHT'><td>Downloaded</td>"
)
out.write('<td>' + str(self.downPackets) + '</td>')
out.write('<td>' + byte_format(self.downBytes) + '</td>')
out.write('<td>' +
byte_format(self.downBytes /
(elapsed.days * 86400.0 + elapsed.seconds)) +
'/sec</td></tr>\n')
out.write(
"<tr title='Stats for packets sent to the DHT'><td>Uploaded</td>")
out.write('<td>' + str(self.upPackets) + '</td>')
out.write('<td>' + byte_format(self.upBytes) + '</td>')
out.write('<td>' +
byte_format(self.upBytes /
(elapsed.days * 86400.0 + elapsed.seconds)) +
'/sec</td></tr>\n')
out.write("</table>\n")
out.write("</td></tr><tr><td colspan='3'>\n")
# Actions
out.write("<table border='1' cellpadding='4px'>\n")
out.write("<tr><th><h3>Actions</h3></th><th>Started</th><th>Sent</th>")
out.write(
"<th>Successful</th><th>Failed</th><th>Completed</th><th>Received</th><th>Error</th>"
)
out.write(
"<th>Successful Delay</th><th>Failed Delay</th><th>Total Delay</th></tr>\n"
)
actions = self.actions.keys()
actions.sort()
for action in actions:
out.write("<tr><td>" + action + "</td>")
for i in xrange(7):
out.write("<td>" + str(self.actions[action][i]) + "</td>")
for i in xrange(3):
count = self.actions[action][i + 2]
if count > 0:
total_delay = self.actions[action][i + 7]
avg_delay = total_delay / count
avg_delay_sec = avg_delay.days * 86400.0 + avg_delay.seconds + avg_delay.microseconds / 1000000.0
else:
avg_delay_sec = 0.0
out.write("<td>%0.2f</td>" % avg_delay_sec)
out.write('</tr>\n')
out.write("</table>\n")
out.write("</td></tr>\n")
out.write("</table>\n")
return out.getvalue()