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Add function to generate a request

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Add git_pkt_gen_proto to crete a request from an url.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>
This commit is contained in:
Carlos Martín Nieto 2011-06-08 19:11:38 +02:00
parent 8b9e8de5ce
commit 6a9597c5b5
3 changed files with 46 additions and 0 deletions
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2
include/git2/net.h
View File

@ -5,6 +5,8 @@
#include "oid.h"
#include "types.h"
#define GIT_DEFAULT_PORT "9418"
/*
* We need this because we need to know whether we should call
* git-upload-pack or git-receive-pack on the remote end when get_refs

5
include/git2/pkt.h
View File

@ -50,3 +50,8 @@ struct git_pkt_ref {
git_remote_head head;
char *capabilities;
};
/**
* Create a git protocol request.
*/
int git_pkt_gen_proto(char **out, int *outlen, const char *url);

39
src/pkt.c
View File

@ -172,3 +172,42 @@ int git_pkt_parse_line(git_pkt **head, const char *line, const char **out)
return error;
}
/*
* Create a git procol request.
*
* For example: 0035git-upload-pack /libgit2/libgit2\0host=github.com\0
*
* TODO: the command should not be hard-coded
*/
int git_pkt_gen_proto(char **out, int *outlen, const char *url)
{
char *delim, *repo, *ptr;
char command[] = "git-upload-pack";
char host[] = "host=";
int len;
delim = strchr(url, '/');
if (delim == NULL)
return git__throw(GIT_EOBJCORRUPTED, "Failed to create proto-request: malformed URL");
repo = delim;
delim = strchr(url, ':');
if (delim == NULL)
delim = strchr(url, '/');
len = 4 + STRLEN(command) + 1 + strlen(repo) + 1 + STRLEN(host) + (delim - url) + 2;
*out = git__malloc(len);
if (*out == NULL)
return GIT_ENOMEM;
*outlen = len - 1;
ptr = *out;
memset(ptr, 0x0, len);
/* We expect the return value to be > len - 1 so don't bother checking it */
snprintf(ptr, len -1, "%04x%s %s%c%s%s", len - 1, command, repo, 0, host, url);
return GIT_SUCCESS;
}