X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/542ec555f1d484a299b56e35655756d78716f102..b2e465d6d32d2dc884f58b94acb7e35f671a87fe:/apt-pkg/acquire-method.cc diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc index 1cebf9a71..3b905f4e9 100644 --- a/apt-pkg/acquire-method.cc +++ b/apt-pkg/acquire-method.cc @@ -1,10 +1,17 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire-method.cc,v 1.11 1998/12/04 21:16:46 jgg Exp $ +// $Id: acquire-method.cc,v 1.25 2001/02/20 07:03:17 jgg Exp $ /* ###################################################################### Acquire Method + This is a skeleton class that implements most of the functionality + of a method and some useful functions to make method implementation + simpler. The methods all derive this and specialize it. The most + complex implementation is the http method which needs to provide + pipelining, it runs the message engine at the same time it is + downloading files.. + ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ @@ -14,10 +21,12 @@ #include #include #include -#include +#include #include +#include #include +#include /*}}}*/ // AcqMethod::pkgAcqMethod - Constructor /*{{{*/ @@ -41,14 +50,21 @@ pkgAcqMethod::pkgAcqMethod(const char *Ver,unsigned long Flags) if ((Flags & LocalOnly) == LocalOnly) strcat(End,"Local-Only: true\n"); + + if ((Flags & NeedsCleanup) == NeedsCleanup) + strcat(End,"Needs-Cleanup: true\n"); + + if ((Flags & Removable) == Removable) + strcat(End,"Removable: true\n"); strcat(End,"\n"); if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) exit(100); SetNonBlock(STDIN_FILENO,true); - + Queue = 0; + QueueBack = 0; } /*}}}*/ // AcqMethod::Fail - A fetch has failed /*{{{*/ @@ -67,21 +83,34 @@ void pkgAcqMethod::Fail(bool Transient) // --------------------------------------------------------------------- /* */ void pkgAcqMethod::Fail(string Err,bool Transient) -{ +{ + // Strip out junk from the error messages + for (char *I = Err.begin(); I != Err.end(); I++) + { + if (*I == '\r') + *I = ' '; + if (*I == '\n') + *I = ' '; + } + char S[1024]; if (Queue != 0) { - snprintf(S,sizeof(S),"400 URI Failure\nURI: %s\n" - "Message: %s\n",Queue->Uri.c_str(),Err.c_str()); + snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: %s\n" + "Message: %s %s\n",Queue->Uri.c_str(),Err.c_str(), + FailExtra.c_str()); // Dequeue FetchItem *Tmp = Queue; Queue = Queue->Next; delete Tmp; + if (Tmp == QueueBack) + QueueBack = Queue; } else - snprintf(S,sizeof(S),"400 URI Failure\nURI: \n" - "Message: %s\n",Err.c_str()); + snprintf(S,sizeof(S)-50,"400 URI Failure\nURI: \n" + "Message: %s %s\n",Err.c_str(), + FailExtra.c_str()); // Set the transient flag if (Transient == true) @@ -106,14 +135,14 @@ void pkgAcqMethod::URIStart(FetchResult &Res) End += snprintf(S,sizeof(S),"200 URI Start\nURI: %s\n",Queue->Uri.c_str()); if (Res.Size != 0) - End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size); + End += snprintf(End,sizeof(S)-4 - (End - S),"Size: %lu\n",Res.Size); if (Res.LastModified != 0) - End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n", + End += snprintf(End,sizeof(S)-4 - (End - S),"Last-Modified: %s\n", TimeRFC1123(Res.LastModified).c_str()); if (Res.ResumePoint != 0) - End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n", + End += snprintf(End,sizeof(S)-4 - (End - S),"Resume-Point: %lu\n", Res.ResumePoint); strcat(End,"\n"); @@ -135,20 +164,20 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt) End += snprintf(S,sizeof(S),"201 URI Done\nURI: %s\n",Queue->Uri.c_str()); if (Res.Filename.empty() == false) - End += snprintf(End,sizeof(S) - (End - S),"Filename: %s\n",Res.Filename.c_str()); + End += snprintf(End,sizeof(S)-50 - (End - S),"Filename: %s\n",Res.Filename.c_str()); if (Res.Size != 0) - End += snprintf(End,sizeof(S) - (End - S),"Size: %u\n",Res.Size); + End += snprintf(End,sizeof(S)-50 - (End - S),"Size: %lu\n",Res.Size); if (Res.LastModified != 0) - End += snprintf(End,sizeof(S) - (End - S),"Last-Modified: %s\n", + End += snprintf(End,sizeof(S)-50 - (End - S),"Last-Modified: %s\n", TimeRFC1123(Res.LastModified).c_str()); if (Res.MD5Sum.empty() == false) - End += snprintf(End,sizeof(S) - (End - S),"MD5Sum: %s\n",Res.MD5Sum.c_str()); + End += snprintf(End,sizeof(S)-50 - (End - S),"MD5-Hash: %s\n",Res.MD5Sum.c_str()); if (Res.ResumePoint != 0) - End += snprintf(End,sizeof(S) - (End - S),"Resume-Point: %u\n", + End += snprintf(End,sizeof(S)-50 - (End - S),"Resume-Point: %lu\n", Res.ResumePoint); if (Res.IMSHit == true) @@ -158,17 +187,17 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt) if (Alt != 0) { if (Alt->Filename.empty() == false) - End += snprintf(End,sizeof(S) - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str()); + End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Filename: %s\n",Alt->Filename.c_str()); if (Alt->Size != 0) - End += snprintf(End,sizeof(S) - (End - S),"Alt-Size: %u\n",Alt->Size); + End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Size: %lu\n",Alt->Size); if (Alt->LastModified != 0) - End += snprintf(End,sizeof(S) - (End - S),"Alt-Last-Modified: %s\n", + End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-Last-Modified: %s\n", TimeRFC1123(Alt->LastModified).c_str()); if (Alt->MD5Sum.empty() == false) - End += snprintf(End,sizeof(S) - (End - S),"Alt-MD5Sum: %s\n", + End += snprintf(End,sizeof(S)-50 - (End - S),"Alt-MD5-Hash: %s\n", Alt->MD5Sum.c_str()); if (Alt->IMSHit == true) @@ -183,13 +212,15 @@ void pkgAcqMethod::URIDone(FetchResult &Res, FetchResult *Alt) FetchItem *Tmp = Queue; Queue = Queue->Next; delete Tmp; + if (Tmp == QueueBack) + QueueBack = Queue; } /*}}}*/ // AcqMethod::MediaFail - Syncronous request for new media /*{{{*/ // --------------------------------------------------------------------- /* This sends a 403 Media Failure message to the APT and waits for it to be ackd */ -void pkgAcqMethod::MediaFail(string Required,string Drive) +bool pkgAcqMethod::MediaFail(string Required,string Drive) { char S[1024]; snprintf(S,sizeof(S),"403 Media Failure\nMedia: %s\nDrive: %s\n\n", @@ -205,11 +236,11 @@ void pkgAcqMethod::MediaFail(string Required,string Drive) while (1) { if (WaitFd(STDIN_FILENO) == false) - exit(0); + return false; if (ReadMessages(STDIN_FILENO,MyMessages) == false) - exit(0); - + return false; + string Message = MyMessages.front(); MyMessages.erase(MyMessages.begin()); @@ -225,13 +256,13 @@ void pkgAcqMethod::MediaFail(string Required,string Drive) // Change ack if (Number == 603) { - while (Message.empty() == false) + while (MyMessages.empty() == false) { Messages.push_back(MyMessages.front()); MyMessages.erase(MyMessages.begin()); } - return StringToBool(LookupTag(Message,"Fail"),false); + return !StringToBool(LookupTag(Message,"Fail"),false); } Messages.push_back(Message); @@ -265,7 +296,8 @@ bool pkgAcqMethod::Configuration(string Message) if (End == Equals) return false; - Cnf.Set(string(I,Equals-I),string(Equals+1,End-Equals-1)); + Cnf.Set(DeQuoteString(string(I,Equals-I)), + DeQuoteString(string(Equals+1,End-Equals-1))); I = End; } @@ -274,7 +306,9 @@ bool pkgAcqMethod::Configuration(string Message) /*}}}*/ // AcqMethod::Run - Run the message engine /*{{{*/ // --------------------------------------------------------------------- -/* */ +/* Fetch any messages and execute them. In single mode it returns 1 if + there are no more available messages - any other result is a + fatal failure code! */ int pkgAcqMethod::Run(bool Single) { while (1) @@ -284,15 +318,14 @@ int pkgAcqMethod::Run(bool Single) { if (Single == false) if (WaitFd(STDIN_FILENO) == false) - return 0; - + break; if (ReadMessages(STDIN_FILENO,Messages) == false) - return 0; + break; } // Single mode exits if the message queue is empty if (Single == true && Messages.empty() == true) - return 0; + return -1; string Message = Messages.front(); Messages.erase(Messages.begin()); @@ -307,7 +340,7 @@ int pkgAcqMethod::Run(bool Single) } switch (Number) - { + { case 601: if (Configuration(Message) == false) return 100; @@ -328,7 +361,9 @@ int pkgAcqMethod::Run(bool Single) FetchItem **I = &Queue; for (; *I != 0; I = &(*I)->Next); *I = Tmp; - + if (QueueBack == 0) + QueueBack = Tmp; + // Notify that this item is to be fetched. if (Fetch(Tmp) == false) Fail(); @@ -338,6 +373,7 @@ int pkgAcqMethod::Run(bool Single) } } + Exit(); return 0; } /*}}}*/ @@ -355,10 +391,10 @@ void pkgAcqMethod::Log(const char *Format,...) // sprintf the description char S[1024]; - unsigned int Len = snprintf(S,sizeof(S),"101 Log\nURI: %s\n" + unsigned int Len = snprintf(S,sizeof(S)-4,"101 Log\nURI: %s\n" "Message: ",CurrentURI.c_str()); - vsnprintf(S+Len,sizeof(S)-Len,Format,args); + vsnprintf(S+Len,sizeof(S)-4-Len,Format,args); strcat(S,"\n\n"); if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) @@ -379,10 +415,10 @@ void pkgAcqMethod::Status(const char *Format,...) // sprintf the description char S[1024]; - unsigned int Len = snprintf(S,sizeof(S),"102 Status\nURI: %s\n" + unsigned int Len = snprintf(S,sizeof(S)-4,"102 Status\nURI: %s\n" "Message: ",CurrentURI.c_str()); - vsnprintf(S+Len,sizeof(S)-Len,Format,args); + vsnprintf(S+Len,sizeof(S)-4-Len,Format,args); strcat(S,"\n\n"); if (write(STDOUT_FILENO,S,strlen(S)) != (signed)strlen(S)) @@ -398,4 +434,3 @@ pkgAcqMethod::FetchResult::FetchResult() : LastModified(0), { } /*}}}*/ -