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Fix select_proxy dead loop in round_roubin_chain

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Fix issue #147.
If all proxies are in DOWN_STATE or BUSY_STATE state, select_proxy will run
forever in an infinite loop. When all proxies are not available, we wait some
intervals and retry. The wait time starts with 10 milliseconds and is
increased by 10 milliiseconds in each loop. 14 loops sums up with 1.05 second.
This commit is contained in:
amyangfei 2018-08-23 19:40:27 +08:00 committed by rofl0r
parent 1c8f8e4e7e
commit 275e64499e
1 changed files with 12 additions and 7 deletions
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19
src/core.c
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@ -569,6 +569,7 @@ int connect_proxy_chain(int sock, ip_type target_ip,
unsigned int curr_len = 0;
unsigned int curr_pos = 0;
unsigned int looped = 0; // went back to start of list in RR mode
int rr_loop_max = 14;
p3 = &p4;
@ -615,13 +616,17 @@ int connect_proxy_chain(int sock, ip_type target_ip,
/* We've reached the end of the list, go to the start */
offset = 0;
looped++;
continue;
} else if (looped && rc > 0 && offset >= curr_pos) {
PDEBUG("GOTO MORE PROXIES 0\n");
/* We've gone back to the start and now past our starting position */
proxychains_proxy_offset = 0;
goto error_more;
}
if (looped > rr_loop_max) {
proxychains_proxy_offset = 0;
goto error_more;
} else {
PDEBUG("rr_type all proxies down, release all\n");
release_all(pd, proxy_count);
/* Each loop we wait 10ms more */
usleep(10000 * looped);
continue;
}
}
PDEBUG("2:rr_offset = %d\n", offset);
rc=start_chain(&ns, p1, RRT);
}