request处理：
Breakpoint 6, SQUID_MD5Final ( digest=0x764d00 " 21dZcaFe270273a 20,304j222347227372364206%B245#203352275It357266343 03I322`225250370204<k?I275353O9", ctx=0x7fff24ec0e80) at md5.c:131 131 { (gdb) bt #0 SQUID_MD5Final ( digest=0x764d00 " 21dZcaFe270273a 20,304j222347227372364206%B245#203352275It357266343 03I322`225250370204<k?I275353O9", ctx=0x7fff24ec0e80) at md5.c:131 #1 0x0000000000489e35 in storeKeyPublicByRequestMethod (request=0x1d544a0, method=1) at store_key_md5.c:158 #2 0x00000000004809c7 in storeGetPublicByRequestMethod (req=0x1d544a0, method=1) at store.c:371 #3 0x00000000004809f1 in storeGetPublicByRequest (req=0x1d544a0) at store.c:377 #4 0x0000000000428c1b in clientProcessRequest2 (http=0x1d54058) at client_side.c:3387 #5 0x00000000004293aa in clientProcessRequest (http=0x1d54058) at client_side.c:3538 #6 0x000000000042026b in clientCheckNoCacheDone (answer=1, data=0x1d54058) at client_side.c:595 #7 0x000000000040af87 in aclCheckCallback (checklist=0x1d66718, answer=ACCESS_ALLOWED) at acl.c:2297 #8 0x000000000040ad7e in aclCheck (checklist=0x1d66718) at acl.c:2254 #9 0x000000000040b3db in aclNBCheck (checklist=0x1d66718, callback=0x420211 <clientCheckNoCacheDone>, callback_data=0x1d54058) at acl.c:2450 #10 0x00000000004201e7 in clientCheckNoCache (http=0x1d54058) at client_side.c:583 #11 0x000000000041f8dd in clientAccessCheck2 (data=0x1d54058) at client_side.c:395 #12 0x000000000041fa65 in clientFinishRewriteStuff (http=0x1d54058) at client_side.c:447 #13 0x000000000042f2ac in clientStoreURLRewriteDone (data=0x1d54058, result=0x0) at client_side_storeurl_rewrite.c:216 #14 0x000000000042f0ef in clientStoreURLRewriteStart (http=0x1d54058) at client_side_storeurl_rewrite.c:178 #15 0x000000000042ec44 in clientRedirectDone (data=0x1d54058, result=0x0) at client_side_rewrite.c:482 #16 0x000000000042e45a in clientRedirectAccessCheckDone (answer=0, data=0x1d54058) at client_side_rewrite.c:361 #17 0x000000000040af87 in aclCheckCallback (checklist=0x1d54b98, answer=ACCESS_DENIED) at acl.c:2297 #18 0x000000000040ae1e in aclCheck (checklist=0x1d54b98) at acl.c:2266 #19 0x000000000040b3db in aclNBCheck (checklist=0x1d54b98, callback=0x42e246 <clientRedirectAccessCheckDone>, ---Type <return> to continue, or q <return> to quit--- callback_data=0x1d54058) at acl.c:2450 #20 0x000000000042e51f in clientRedirectStart (http=0x1d54058) at client_side_rewrite.c:374 #21 0x000000000041fbe5 in clientAccessCheckDone (answer=1, data=0x1d54058) at client_side.c:470 #22 0x000000000040af87 in aclCheckCallback (checklist=0x1d54a18, answer=ACCESS_ALLOWED) at acl.c:2297 #23 0x000000000040ad7e in aclCheck (checklist=0x1d54a18) at acl.c:2254 #24 0x000000000040b3db in aclNBCheck (checklist=0x1d54a18, callback=0x41fa67 <clientAccessCheckDone>, callback_data=0x1d54058) at acl.c:2450 #25 0x000000000041f862 in clientAccessCheck (data=0x1d54058) at client_side.c:384 #26 0x000000000041f80f in clientCheckFollowXForwardedFor (data=0x1d54058) at client_side.c:376 #27 0x000000000042b7aa in clientTryParseRequest (conn=0x1d52d98) at client_side.c:4103 #28 0x000000000042bd75 in clientReadRequest (fd=12, data=0x1d52d98) at client_side.c:4221 #29 0x0000000000432bd9 in comm_call_handlers (fd=12, read_event=1, write_event=0) at comm_generic.c:264 #30 0x00000000004334de in do_comm_select (msec=735) at comm_epoll.c:195 #31 0x0000000000432fc3 in comm_select (msec=735) at comm_generic.c:390 #32 0x0000000000466c9a in main (argc=2, argv=0x7fff24ec1fd8) at main.c:863
(gdb) bt #0 SQUID_MD5Final (digest=0x764d20 "", ctx=0x7fff811cd960) at md5.c:131 #1 0x0000000000489c02 in storeKeyPrivate (url=0x1cad320 "http://127.0.0.1:70/hello", method=1, id=1) at store_key_md5.c:106 #2 0x0000000000480b00 in storeSetPrivateKey (e=0x1cad3e0) at store.c:407 #3 0x000000000048340c in storeCreateEntry (url=0x1cad290 "http://127.0.0.1:70/hello", flags=..., method=1) at store.c:1097 #4 0x0000000000420b06 in clientProcessExpired (http=0x1c830f8) at client_side.c:751 #5 0x000000000042085b in clientRefreshCheckDone (data=0x1c830f8, fresh=0, log=0x0) at client_side.c:707 #6 0x00000000004765e7 in refreshCheckSubmit (entry=0x1c81d80, callback=0x4207d0 <clientRefreshCheckDone>, callback_data=0x1c830f8) at refresh_check.c:451 #7 0x00000000004207ce in clientRefreshCheck (http=0x1c830f8) at client_side.c:693 #8 0x00000000004262a9 in clientCacheHit (data=0x1c830f8, rep=0x1cabb10) at client_side.c:2453 #9 0x000000000041f6b0 in storeClientCopyHeadersCB (data=0x1c830f8, buf=0x1c9e1b0 "", size=272) at client_side.c:185 #10 0x0000000000486af5 in storeClientCallback (sc=0x1c9e138, sz=272) at store_client.c:146 #11 0x0000000000487bd2 in storeClientReadHeader (data=0x1c9e138, buf=0x1c9e1b0 "", len=391) at store_client.c:512 #12 0x000000000049c10c in storeUfsReadDone (fd=<value optimized out>, buf=0x1c9e1b0 "", len=<value optimized out>, errflag=0, my_data=0x1c81308) at ufs/store_io_ufs.c:238 #13 0x0000000000434dec in diskHandleRead (fd=16, data=0x1c81380) at disk.c:380 #14 0x0000000000434ec8 in file_read (fd=16, buf=0x1c9e1b0 "", req_len=4096, file_offset=0, handler=0x49c050 <storeUfsReadDone>, client_data=0x1c81308) at disk.c:404 #15 0x00000000004865c4 in storeRead (sio=0x1c81308, buf=0x1c9e1b0 "", size=4096, offset=0, callback=0x48747a <storeClientReadHeader>, callback_data=0x1c9e138) at store_io.c:103 #16 0x00000000004872c6 in storeClientFileRead (sc=0x1c9e138) at store_client.c:338 ---Type <return> to continue, or q <return> to quit--- #17 0x0000000000487202 in storeClientCopy3 (e=0x1c81d80, sc=0x1c9e138) at store_client.c:327 #18 0x0000000000486eab in storeClientCopy2 (e=0x1c81d80, sc=0x1c9e138) at store_client.c:249 #19 0x0000000000486ce2 in storeClientCopy (sc=0x1c9e138, e=0x1c81d80, seen_offset=0, copy_offset=0, size=4096, buf=0x1c9e1b0 "", callback=0x41f5c4 <storeClientCopyHeadersCB>, data=0x1c830f8) at store_client.c:198 #20 0x000000000041f73c in storeClientCopyHeaders (sc=0x1c9e138, e=0x1c81d80, callback=0x425520 <clientCacheHit>, callback_data=0x1c830f8) at client_side.c:193 #21 0x000000000042953b in clientProcessRequest (http=0x1c830f8) at client_side.c:3556 #22 0x000000000042026b in clientCheckNoCacheDone (answer=1, data=0x1c830f8) at client_side.c:595 #23 0x000000000040af87 in aclCheckCallback (checklist=0x1c95998, answer=ACCESS_ALLOWED) at acl.c:2297 #24 0x000000000040ad7e in aclCheck (checklist=0x1c95998) at acl.c:2254 #25 0x000000000040b3db in aclNBCheck (checklist=0x1c95998, callback=0x420211 <clientCheckNoCacheDone>, callback_data=0x1c830f8) at acl.c:2450 #26 0x00000000004201e7 in clientCheckNoCache (http=0x1c830f8) at client_side.c:583 #27 0x000000000041f8dd in clientAccessCheck2 (data=0x1c830f8) at client_side.c:395 #28 0x000000000041fa65 in clientFinishRewriteStuff (http=0x1c830f8) at client_side.c:447 #29 0x000000000042f2ac in clientStoreURLRewriteDone (data=0x1c830f8, result=0x0) at client_side_storeurl_rewrite.c:216 #30 0x000000000042f0ef in clientStoreURLRewriteStart (http=0x1c830f8) at client_side_storeurl_rewrite.c:178 #31 0x000000000042ec44 in clientRedirectDone (data=0x1c830f8, result=0x0) at client_side_rewrite.c:482 #32 0x000000000042e45a in clientRedirectAccessCheckDone (answer=0, data=0x1c830f8) at client_side_rewrite.c:361 #33 0x000000000040af87 in aclCheckCallback (checklist=0x1c83d58, answer=ACCESS_DENIED) at acl.c:2297 #34 0x000000000040ae1e in aclCheck (checklist=0x1c83d58) at acl.c:2266 #35 0x000000000040b3db in aclNBCheck (checklist=0x1c83d58, callback=0x42e246 <clientRedirectAccessCheckDone>, callback_data=0x1c830f8) at acl.c:2450 ---Type <return> to continue, or q <return> to quit--- #36 0x000000000042e51f in clientRedirectStart (http=0x1c830f8) at client_side_rewrite.c:374 #37 0x000000000041fbe5 in clientAccessCheckDone (answer=1, data=0x1c830f8) at client_side.c:470 #38 0x000000000040af87 in aclCheckCallback (checklist=0x1c83ba8, answer=ACCESS_ALLOWED) at acl.c:2297 #39 0x000000000040ad7e in aclCheck (checklist=0x1c83ba8) at acl.c:2254 #40 0x000000000040b3db in aclNBCheck (checklist=0x1c83ba8, callback=0x41fa67 <clientAccessCheckDone>, callback_data=0x1c830f8) at acl.c:2450 #41 0x000000000041f862 in clientAccessCheck (data=0x1c830f8) at client_side.c:384 #42 0x000000000041f80f in clientCheckFollowXForwardedFor (data=0x1c830f8) at client_side.c:376 #43 0x000000000042b7aa in clientTryParseRequest (conn=0x1c81e38) at client_side.c:4103 #44 0x000000000042bd75 in clientReadRequest (fd=12, data=0x1c81e38) at client_side.c:4221 #45 0x0000000000432bd9 in comm_call_handlers (fd=12, read_event=1, write_event=0) at comm_generic.c:264 #46 0x00000000004334de in do_comm_select (msec=998) at comm_epoll.c:195 #47 0x0000000000432fc3 in comm_select (msec=998) at comm_generic.c:390 #48 0x0000000000466c9a in main (argc=2, argv=0x7fff811cf088) at main.c:863 (gdb)
reply报文的处理过程：
(gdb) #0 SQUID_MD5Final (digest=0x764d20 "237: 27", ctx=0x7fff811ceb70) at md5.c:131 #1 0x0000000000489c02 in storeKeyPrivate (url=0x1cad2c0 "http://127.0.0.1:70/hello", method=1, id=2) at store_key_md5.c:106 #2 0x0000000000480b00 in storeSetPrivateKey (e=0x1c81d80) at store.c:407 #3 0x000000000048329e in storeSetPublicKey (e=0x1cad3e0) at store.c:1070 #4 0x000000000044ef4e in httpMakePublic (entry=0x1cad3e0) at http.c:115 #5 0x00000000004500cd in httpProcessReplyHeader (httpState=0x1cada28, buf=0x70cee0 "HTTP/1.0 200 OK Age: 3000 Cache-control: public,max-age=6000 Last-modified: Mon,09 Jun 2014 06:20:32 GMT Expire: Mon,16 Jun 2014 06:20:32 GMT Etag: ", 'x' <repeats 16 times>, " Content-Type: text; charset=I"..., size=272) at http.c:565 #6 0x00000000004515b6 in httpReadReply (fd=17, data=0x1cada28) at http.c:970 #7 0x0000000000432bd9 in comm_call_handlers (fd=17, read_event=1, write_event=0) at comm_generic.c:264 #8 0x00000000004334de in do_comm_select (msec=983) at comm_epoll.c:195 #9 0x0000000000432fc3 in comm_select (msec=983) at comm_generic.c:390 #10 0x0000000000466c9a in main (argc=2, argv=0x7fff811cf088) at main.c:863