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2014-09-21Add shutdown() for clean exitFRIGN
This also sends a broadcast to all friends you went offline, leading to an immediate event-feedback.
2014-09-20fiforead() should accept a void * instead of char *sin
Remove ugly casts.
2014-09-20Fix off-by-one bugs when calling fiforead()sin
dirfd should be the first arg to be consistent with other functions.
2014-09-20Refactor sendfriendreq()FRIGN
Put the error-strings in one single data-structure and flush the err-file every time before a new incoming request, so it's empty when the request succeeds.
2014-09-20Implement fiforead()FRIGN
fiforead() automatically reopens a file-descriptor in case it returns EOF (return 0). It returns -1 on error.
2014-09-19Initialize fdmaxsin
2014-09-19Factor out fifoflush() in a separate funcsin
Also flush the fifo for stalled transfers
2014-09-19Clear up the enums and fix implicit condition-bugFRIGN
The OUT_F-type was not clear. Make it easier to see the out-file has no state (=NONE) and is defined for each slot individually. Moreover, in the initial creation, the err-file fell through just because STATIC = 0 and .outfile wasn't defined for it. It was only coincidence this worked and now we have a much more bulletproof implementation.
2014-09-19Handle rejected transferssin
2014-09-19Fix PAUSE/RESUME in file transferssin
The doc lies, if the receiver resumes a transfer you get a control packet with send_receive == 1 and control_type == TOX_FILECONTROL_ACCEPT. We keep state locally and move from PAUSED to INPROGRESS when the above happens.
2014-09-19Add TRANSFER_PAUSED statesin
Doesn't quite work yet though.
2014-09-19Inform the user when a transfer is in progresssin
2014-09-19Fix file transfers + texting to use O_RDONLY for FIFOssin
Just re-open them to clear EOF.
2014-09-19Change global in-fifos from O_RDWR to O_RDONLYFRIGN
O_RDWR is a dirty hack to get around the issue of infinite EOFs while reading an in-FIFO. Instead, stop breaking POSIX and set the FIFOs to O_RDONLY. In case a read returns EOF (r == 0), we reopen the fd. Same will be applied to the friend-fifos (especially file_in), helping us get rid of strange timeouts and heuristics and rather solve the problem the POSIX-way. The only downside to this is that we are blind for writes to the in-FIFOs between catching read == 0 and close(), but this is not an issue. To make reopening as easy as possible, I added a dirfd to all slots. While at it, I changed the initial setup and removed the chdir() in favor of the POSIX-2008-compliant *at-functions. This lets us do stuff without having to use snprintf to build paths and is more bulletproof even in case the directory is renamed.
2014-09-18Missed some moresin
2014-09-18No need to specify modes, default to 0644 and 0777sin
2014-09-18OUT_F is reserved for the edge-case where we don't know if OUT is a STATIC ↵sin
or FOLDER So use STATIC here.
2014-09-18Print a message when we reject a friend requestsin
2014-09-18Allow the user to reject a friend requestsin
2014-09-18We need O_WRONLY for text_out as wellsin
2014-09-18Remember to ftruncate() before updating the filessin
2014-09-18Remove writeline()sin
2014-09-18We can't use TAILQ_REMOVE inside TAILQ_FOREACHsin
2014-09-18Add fifos for incoming requests and remove cmd-parserFRIGN
2014-09-18Rework file-transferssin
For aborted transfers, we will have to move the transfer to the TRANSFER_KILLED state. Then we'll have to wait until the input FIFO stops being readable (the user ^C the transfer). Only then can we move to TRANSFER_NONE. If we move to TRANSFER_NONE immediately then we will initiate a new transfer which we don't want to do. The basic idea is: If we move into the TRANSFER_KILLED state and timeout has expired (50ms?) without the fd being readable (the user did a ^C on cat file > file_in) then move the transfer to TRANSFER_NONE state.
2014-09-17Fix wall of gcc-warningsFRIGN
2014-09-17Rename ratatox to ratoxsin