smugfs(4): new program

src/cmd/smugfs/a.h

@@ -0,0 +1,190 @@
+#include <u.h>
+#include <errno.h>
+#include <libc.h>
+#include <fcall.h>
+#include <thread.h>
+#include <auth.h>
+#include <9p.h>
+#include <libsec.h>
+
+#define APIKEY        "G9ANE2zvCozKEoLQ5qaR1AUtcE5YpuDj"
+#define HOST          "api.smugmug.com"
+#define UPLOAD_HOST   "upload.smugmug.com"
+#define API_VERSION   "1.2.1"
+#define PATH          "/services/api/json/" API_VERSION "/"
+#define USER_AGENT    "smugfs (part of Plan 9 from User Space)"
+
+void*	emalloc(int);
+void*	erealloc(void*, int);
+char*	estrdup(char*);
+int	urlencodefmt(Fmt*);
+int	timefmt(Fmt*);
+int	writen(int, void*, int);
+
+
+// Generic cache
+
+typedef struct Cache Cache;
+typedef struct CEntry CEntry;
+
+struct CEntry
+{
+	char *name;
+	struct {
+		CEntry *next;
+		CEntry *prev;
+	} list;
+	struct {
+		CEntry *next;
+	} hash;
+};
+
+Cache *newcache(int sizeofentry, int maxentry, void (*cefree)(CEntry*));
+CEntry *cachelookup(Cache*, char*, int);
+void cacheflush(Cache*, char*);
+
+// JSON parser
+
+typedef struct Json Json;
+
+enum
+{
+	Jstring,
+	Jnumber,
+	Jobject,
+	Jarray,
+	Jtrue,
+	Jfalse,
+	Jnull
+};
+
+struct Json
+{
+	int ref;
+	int type;
+	char *string;
+	double number;
+	char **name;
+	Json **value;
+	int len;
+};
+
+void	jclose(Json*);
+Json*	jincref(Json*);
+vlong	jint(Json*);
+Json*	jlookup(Json*, char*);
+double	jnumber(Json*);
+int	jsonfmt(Fmt*);
+int	jstrcmp(Json*, char*);
+char*	jstring(Json*);
+Json*	jwalk(Json*, char*);
+Json*	parsejson(char*);
+
+
+// Wrapper to hide whether we're using OpenSSL for HTTPS.
+
+typedef struct Protocol Protocol;
+typedef struct Pfd Pfd;
+struct Protocol
+{
+	Pfd *(*connect)(char *host);
+	int (*read)(Pfd*, void*, int);
+	int (*write)(Pfd*, void*, int);
+	void (*close)(Pfd*);
+};
+
+Protocol http;
+Protocol https;
+
+
+// HTTP library
+
+typedef struct HTTPHeader HTTPHeader;
+struct HTTPHeader
+{
+	int code;
+	char proto[100];
+	char codedesc[100];
+	vlong contentlength;
+	char contenttype[100];
+};
+
+char *httpreq(Protocol *proto, char *host, char *request, HTTPHeader *hdr, int rfd, vlong rlength);
+int httptofile(Protocol *proto, char *host, char *req, HTTPHeader *hdr, int wfd);
+
+
+// URL downloader - caches in files on disk
+
+int download(char *url, HTTPHeader *hdr);
+void downloadflush(char*);
+
+// JSON RPC
+
+enum
+{
+	MaxResponse = 1<<29,
+};
+
+Json*	jsonrpc(Protocol *proto, char *host, char *path, char *method, char *name1, va_list arg, int usecache);
+Json*	jsonupload(Protocol *proto, char *host, char *req, int rfd, vlong rlength);
+void	jcacheflush(char*);
+
+extern int chattyhttp;
+
+
+// SmugMug RPC
+
+#ifdef __GNUC__
+#define check_nil __attribute__((sentinel))
+#else
+#define check_nil
+#endif
+
+Json* smug(char *method, char *name1, ...) check_nil;  // cached, http
+Json* ncsmug(char *method, char *name1, ...) check_nil;  // not cached, https
+
+
+// Session information
+
+extern Json *userinfo;
+extern char *sessid;
+
+
+// File system
+
+extern Srv xsrv;
+void xinit(void);
+extern int nickindex(char*);
+
+// Logging
+
+typedef struct Logbuf Logbuf;
+struct Logbuf
+{
+	Req *wait;
+	Req **waitlast;
+	int rp;
+	int wp;
+	char *msg[128];
+};
+
+extern void	lbkick(Logbuf*);
+extern void	lbappend(Logbuf*, char*, ...);
+extern void	lbvappend(Logbuf*, char*, va_list);
+/* #pragma varargck argpos lbappend 2 */
+extern void	lbread(Logbuf*, Req*);
+extern void	lbflush(Logbuf*, Req*);
+/* #pragma varargck argpos flog 1 */
+
+extern void	rpclog(char*, ...);
+extern void	rpclogflush(Req*);
+extern void	rpclogread(Req*);
+extern void	rpclogwrite(Req*);
+
+enum
+{
+	STACKSIZE = 32768
+};
+
+extern int printerrors;
+